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Text File  |  1990-03-09  |  152KB  |  3,014 lines

  1. .RR--!--!--!--!--!--!--!--!--!--!--!--!--!--!--!--!--!--!--!--!--!--!--!--!--!--!
  2. .PL 62
  3. .LM 1
  4. .RM 78
  5. .MT3
  6. .MB4
  7. .HM1
  8. .FM1
  9. .PO10
  10. .CW10
  11. .SR2
  12. .UJ0
  13. .OJ0
  14. .UL1
  15. .heCD-ROM Devices                                                          3/9/90
  16. .foSCSI-2 draft proposed American National Standard        13-#     Revision 10c
  17. .pn 1
  18. 13. C─-RO═ Devices
  19. .pm 3
  20.  
  21. .aw on
  22. .cp 25
  23. .pm 0
  24. .aw off
  25. 13.1. Mode∞ fo≥ CD-ROM Devices
  26. .pm 3
  27. .aw on
  28.  
  29. ááC─-RO═ device≤ permi⌠ readinτ datß froφ ß rotatinτ media«  Writinτ thσ mediß ì
  30. i≤ no⌠ supported«  Datß transfe≥ caε begiε witΦ an∙ oµ thσ consecutivel∙ ì
  31. numbereΣ logica∞ blocks«  Datß oε C─-RO═ device≤ i≤ addresseΣ thσ samσ a≤ ì
  32. usua∞ (magnetic⌐ direc⌠-acces≤ devices« Somσ C─-RO═ device≤ suppor⌠ ß separatσ ì
  33. informatioε streaφ (e.g« audi∩ and/o≥ vide∩ bu⌠ referreΣ t∩ a≤ audi∩ iε thi≤ ì
  34. section⌐ transmitteΣ viß ß connectioε othe≥ thaε thσ SCS╔ Bus« Thi≤ devicσ ì
  35. typσ define≤ command≤ fo≥ controllinτ thesσ othe≥ informatioε streams« 
  36.  
  37. ááC─-RO═ drive≤ arσ designeΣ t∩ worδ witΦ an∙ disπ tha⌠ meet≤ thσ "ReΣ Bookó ì
  38. o≥ "Yello≈ Bookó (IE├ 908⌐ document≤ a⌠ thσ curren⌠ revisioε level«  Man∙ ne≈ ì
  39. drive≤ reaΣ C─-RO═ datß discs¼ digita∞ audi∩ discs¼ anΣ audi∩-combineΣ disc≤ ì
  40. (i.e« somσ track≤ arσ audio¼ somσ track≤ arσ data).
  41.  
  42. .cp 12
  43. .aw off
  44. .pm 0
  45. 13.1.1. C─-RO═ Mediß Organization
  46. .aw on
  47. .pm 3
  48.  
  49. ááThσ format≤ writteε oε thσ C─-RO═ anΣ C─-D┴ (Digita∞ Audio⌐ mediß requirσ ì
  50. specia∞ interfacinτ considerations« 
  51.  
  52. ááNOTE║ Thi≤ sectioε contain≤ ß numbe≥ oµ term≤ whicΦ havσ specia∞ meaning≤ ì
  53. peculia≥ t∩ C─-RO═ technolog∙ o≥ tha⌠ ma∙ bσ unfamilia≥ t∩ man∙ reader≤ oµ ì
  54. thi≤ standard« Thσ glossar∙ (seσ 13.4.⌐ define≤ thesσ terms.
  55.  
  56. ááThesσ disc≤ ma∙ contaiε eithe≥ audio¼ datß o≥ ß mixturσ oµ thσ two«  Tablσ ì
  57. 1│-▓ show≤ thσ forma⌠ oµ ß audi∩-combineΣ disπ t∩ illustratσ thσ relationshi≡ ì
  58. betweeε thσ logica∞ blocδ addresse≤ reporteΣ iε SCS╔ anΣ thσ MS╞ addres≤ ì
  59. encodeΣ oε thσ media« 
  60.  
  61. .cp 7
  62. .lm 3
  63. ááNOTE║  Thσ terφ framσ i≤ useΣ iε tw∩ differen⌠ way≤ iε thσ C─-RO═ mediß ì
  64. áástandard«  Thσ intendeΣ meaninτ caε onl∙ bσ determineΣ froφ thσ context« ì
  65. ááWheneve≥ possible¼ thi≤ descriptioε replace≤ thσ large≥ datß uni⌠ witΦ thσ ì
  66. áámorσ familia≥ terφ "sector"«  Thσ primar∙ exceptioε t∩ thi≤ polic∙ i≤ thσ ì
  67. ááusσ oµ framσ wheε referrinτ t∩ thσ MS╞ address«  Iε thσ MS╞ context¼ onσ ì
  68. ááframσ (╞ FielΣ unit⌐ equal≤ onσ sector«  Oε ß typica∞ tw∩ channe∞ C─-D┴ ì
  69. áámedia¼ eacΦ framσ (╞ FielΣ unit⌐ i≤ playeΣ iε 1/75tΦ oµ ß second«    
  70. .lm 1
  71.  
  72. ááThσ physica∞ forma⌠ defineΣ b∙ thσ C─-RO═ mediß standard≤ provide≤ 235▓ ì
  73. byte≤ pe≥ sector« Fo≥ usua∞ compute≥ datß applications¼ 204╕ byte≤ arσ useΣ ì
  74. fo≥ use≥ data¼ 1▓ byte≤ fo≥ ß synchronizatioε field¼ ┤ byte≤ fo≥ ß secto≥ ì
  75. addres≤ taτ fielΣ anΣ 28╕ byte≤ ¡ thσ auxiliar∙ fielΣ ¡ fo≥ ╠-E├ (C─-RO═ Datß ì
  76. Modσ 1)« Iε les≤ critica∞ applications¼ thσ auxiliar∙ fielΣ ma∙ als∩ bσ useΣ ì
  77. fo≥ use≥ datß (C─-RO═ Datß Modσ 2)« ┴ C─-RO═ physica∞ secto≥ sizσ i≤ 2048¼ ì
  78. 233╢ o≥ 234░ byte≤ pe≥ sector« Thesσ value≤ corresponΣ t∩ use≥ datß fielΣ ì
  79. only¼ use≥ datß plu≤ auxiliar∙ data¼ thσ ┤ bytσ addres≤ taτ plu≤ use≥ datß ì
  80. plu≤ auxiliar∙ data.
  81.  
  82. .cp 4
  83. ááSelectioε amonτ thesσ option≤ i≤ madσ b∙ settinτ thσ densit∙ codσ fielΣ oµ ì
  84. thσ MOD┼ SELEC╘ blocδ Descriptor« Thσ usua∞ selectioε i≤ 204╕ byte≤ pe≥ ì
  85. physica∞ secto≥ viß ß Densit∙ Codσ settinτ oµ 1« (Seσ Tablσ 1│-3▓ C─-RO═ ì
  86. Densit∙ Codσ Values.)
  87.  
  88. .cp 5èááThi≤ samσ areß oµ thσ C─-RO═ o≥ C─ audi∩ mediß ma∙ storσ 1/75tΦ oµ ß seconΣ ì
  89. oµ ▓ channe∞ audi∩ informatioε formatteΣ accordinτ t∩ thσ C─-D┴ specification« ì
  90. (Thesσ audi∩ channel≤ arσ usuall∙ thσ Lef⌠ anΣ Righ⌠ component≤ oµ ß stere∩ ì
  91. pair.⌐ Aε audi∩ onl∙ densit∙ codσ valuσ caε bσ useΣ t∩ declarσ aε areß oµ thσ ì
  92. mediß t∩ bσ invaliΣ fo≥ datß operations« 
  93.  
  94. ááDatß sector≤ arσ addresseΣ b∙ thei≥ logica∞ blocδ addres≤ relativσ t∩ thσ ì
  95. firs⌠ addressablσ blocδ oε thσ mediuφ whicΦ i≤ locateΣ a⌠ MS╞ addres≤ ì
  96. 00/02/00«  Thi≤ MS╞ addres≤ i≤ thσ logica∞ beginninτ oµ medium¼ anΣ i≤ ì
  97. designateΣ logica∞ blocδ zero.
  98.  
  99. ááLogica∞ addressinτ oµ C─-RO═ informatioε ma∙ usσ an∙ logica∞ blocδ length« ì
  100. Wheε thσ specifieΣ logica∞ blocδ lengtΦ i≤ aε exac⌠ diviso≥ o≥ integra∞ ì
  101. multiplσ oµ thσ selecteΣ numbe≥ oµ byte≤ pe≥ C─-RO═ sector¼ thσ devicσ shal∞ ì
  102. ma≡ onσ t∩ onσ thσ byte≤ transferreΣ froφ C─-RO═ sector≤ t∩ thσ byte≤ oµ ì
  103. Logica∞ Blocks«  Fo≥ instance¼ iµ 204╕ byte≤ arσ transferreΣ froφ eacΦ C─-RO═ ì
  104. secto≥ (specifieΣ b∙ thσ C─-RO═ Densit∙ Codσ value¼ seσ Tablσ 1│-32)¼ anΣ thσ ì
  105. logica∞ blocδ lengtΦ i≤ 51▓ bytes¼ theε eacΦ C─-RO═ secto≥ shal∞ ma≡ t∩ ì
  106. exactl∙ fou≥ logica∞ blocks«  Thi≤ standarΣ doe≤ no⌠ definσ thσ mappinτ oµ ì
  107. Logica∞ Blocδ length≤ whicΦ d∩ no⌠ evenl∙ dividσ o≥ arσ no⌠ exac⌠ multiple≤ oµ ì
  108. thσ selecteΣ numbe≥ oµ byte≤ pe≥ C─-RO═ sector.
  109.  
  110. áá┴ tracδ ma∙ bσ vieweΣ a≤ ß partitioε oµ thσ C─-RO═ addres≤ space« ┴ C─-RO═ ì
  111. mediß contain≤ froφ onσ t∩ ninet∙-ninσ tracks«  Al∞ informatioε sector≤ oµ ß ì
  112. tracδ arσ requireΣ t∩ bσ oµ thσ samσ typσ (audi∩ o≥ data⌐ anΣ mode«  EacΦ ì
  113. changσ iε thσ typσ oµ informatioε oε thσ disπ require≤ ß changσ iε tracδ ì
  114. number«  ┴ disπ containinτ botΦ audi∩ anΣ datß woulΣ havσ a⌠ leas⌠ tw∩ tracks¼ ì
  115. onσ fo≥ audi∩ anΣ onσ fo≥ data«  
  116.  
  117. ááThσ track≤ oµ ß C─ mediß arσ numbereΣ consecutivel∙ witΦ value≤ betweeε ▒ ì
  118. anΣ 99« However¼ thσ firs⌠ informatioε tracδ ma∙ havσ ß numbe≥ greate≥ thaε 1« ì
  119. Track≤ havσ ß minimuφ lengtΦ oµ 30░ sector≤ includinτ an∙ transitioε areß tha⌠ ì
  120. i≤ par⌠ oµ ß track« 
  121.  
  122. ááThσ C─-RO═ mediß standard≤ requirσ transitioε area≤ betweeε track≤ encodeΣ ì
  123. witΦ differen⌠ type≤ oµ information«  Iε addition¼ transitioε area≤ ma∙ bσ ì
  124. useΣ a⌠ thσ beginninτ o≥ enΣ oµ an∙ track«  Fo≥ audi∩ track≤ thσ transitioε ì
  125. area≤ arσ calleΣ pausσ areas«  Fo≥ datß track≤ transitioε area≤ arσ calleΣ ì
  126. prσ-ga≡ anΣ pos⌠-ga≡ areas«  Seσ Tablσ 1│-▓ fo≥ aε example«  Thσ "ReΣ Bookó ì
  127. anΣ "Yello≈ Bookó document≤ specif∙ minimuφ timσ duration≤ fo≥ thesσ areas«  ì
  128. Maximuφ timσ duration≤ arσ no⌠ specified« 
  129.  
  130. ááTransitioε area≤ arσ formatteΣ anΣ thσ logica∞ addres≤ continue≤ t∩ ì
  131. incremen⌠ througΦ transitioε areas«  Somσ mediß (i.e« disc≤ witΦ onl∙ onσ ì
  132. track⌐ ma∙ no⌠ havσ transitioε areas«  Thσ mean≤ t∩ determinσ oµ thσ locatioε ì
  133. oµ thσ transitioε area≤ i≤ vendo≥ o≥ applicatioε specifiπ anΣ i≤ addresseΣ b∙ ì
  134. othe≥ standard≤ (e.g« IS╧ 9660).
  135.  
  136. .cp 6
  137. ááC─-RO═ i≤ ß uniquσ SCS╔ devicσ iε thσ respec⌠ tha⌠ somσ logica∞ block≤ oε ß ì
  138. disπ ma∙ no⌠ bσ accessiblσ b∙ al∞ commands«  SEE╦ command≤ ma∙ bσ issueΣ t∩ ì
  139. an∙ logica∞ blocδ addres≤ withiε thσ reporteΣ capacit∙ oµ thσ disc«  REA─ ì
  140. command≤ canno⌠ bσ issueΣ t∩ logica∞ block≤ tha⌠ occu≥ iε somσ transitioε ì
  141. areas¼ o≥ t∩ logica∞ block≤ withiε aε audi∩ track«  PLA┘ command≤ canno⌠ bσ ì
  142. issueΣ t∩ logica∞ block≤ withiε ß datß track«   
  143. è.cp 2
  144. ááThσ blanδ verif∙ (BlkVfy⌐ optioε oµ thσ Verif∙ commanΣ (15.2.11)¼ fo≥ C─-RO═ ì
  145. devices¼ shal∞ verif∙ tha⌠ thσ addresseΣ block≤ arσ transitioε areß blocks.
  146.  
  147. .cp 5
  148. ááC─-RO═ mediß havσ leaΣ-iε anΣ leaΣ-ou⌠ areas«  Thesσ area≤ arσ outsidσ oµ ì
  149. thσ use≥ accessiblσ areß a≤ reporteΣ iε thσ REA─ C─-RO═ CAPACIT┘ data«  Thσ ì
  150. leaΣ-iε areß oµ thσ mediß i≤ designateΣ tracδ zero«  Thσ leaΣ-ou⌠ areß i≤ ì
  151. designateΣ tracδ 0AAh«  Thσ suΓ-channe∞ ╤ iε thσ leaΣ-iε tracδ contain≤ ß ì
  152. tablσ oµ content≤ (TOC⌐ oµ thσ disc.
  153.  
  154. .lm 3
  155. ááIMPLEMENTOR╙ NOTE║ Thσ REA─ C─-RO═ CAPACIT┘ commanΣ return≤ thσ logica∞ ì
  156. ááblocδ addres≤ oµ thσ las⌠ blocδ prio≥ t∩ thσ leaΣ-ou⌠ area« Thi≤ locatioε ì
  157. ááma∙ bσ iε ß transitioε areß anΣ thereforσ no⌠ ß valiΣ addres≤ fo≥ reaΣ ì
  158. ááoperations« 
  159. .lm 1
  160.  
  161. .cp 7
  162. ááThσ tablσ oµ content≤ give≤ thσ absolutσ MS╞ locatioε oµ thσ firs⌠ ì
  163. informatioε secto≥ oµ eacΦ track«  Contro∞ informatioε (audio/data¼ methoΣ oµ ì
  164. audi∩ encoding¼ etc.⌐ fo≥ eacΦ tracδ i≤ als∩ giveε iε thσ TOC«  However¼ thσ ì
  165. TO├ doe≤ no⌠ distinguisΦ betweeε thσ differen⌠ mode≤ oµ datß track≤ (i.e« C─-ì
  166. RO═ Datß Modσ onσ vs« C─-RO═ Datß Modσ two)«  
  167.  
  168. .cp 7
  169. ááThσ MS╞ location≤ oµ thσ beginninτ oµ datß track≤ iε thσ TO├ arσ requireΣ t∩ ì
  170. bσ accurate¼ however¼ thσ TO├ value≤ fo≥ audi∩ track≤ havσ ß tolerancσ oµ plu≤ ì
  171. o≥ minu≤ 7╡ sectors« Informatioε froφ thσ TO├ caε bσ useΣ t∩ repl∙ t∩ ß REA─ ì
  172. C─-RO═ CAPACIT┘ command«  Wheε thi≤ i≤ donσ thσ drivσ implemento≥ shoulΣ ì
  173. conside≥ thσ possiblσ tolerance≤ anΣ returε ß valuσ whicΦ allow≤ acces≤ t∩ al∞ ì
  174. informatioε sectors.
  175.  
  176. .cp 7
  177. ááAε inde° i≤ ß partitioε oµ ß track«  Prσ-ga≡ area≤ arσ encodeΣ witΦ aε inde° ì
  178. valuσ oµ zero«  Pausσ area≤ a⌠ thσ beginninτ oµ audi∩ track≤ arσ als∩ encodeΣ ì
  179. witΦ aε inde° valuσ oµ zero«  Thσ firs⌠ informatioε secto≥ oµ ß tracδ ha≤ ì
  180. inde° valuσ oµ one«  Consecutivσ value≤ u≡ t∩ 9╣ arσ permitted«  Inde° ì
  181. informatioε i≤ no⌠ containeΣ iε thσ TOC«  No⌠ al∞ sector≤ arσ encodeΣ witΦ thσ ì
  182. inde° valuσ iε thσ ╤-suΓ¡ channe∞ datß (thσ requiremen⌠ i≤ ╣ ou⌠ oµ 10)«  ┴ ì
  183. secto≥ withou⌠ aε inde° valuσ i≤ presumeΣ t∩ havσ thσ samσ inde° a≤ thσ ì
  184. precedinτ sector.
  185.  
  186. ááTrack≤ anΣ indexe≤ arσ no⌠ defineΣ t∩ bσ an∙ particula≥ length« (Excep⌠ fo≥ ì
  187. ß minimuφ tracδ lengtΦ oµ 30░ sectors.⌐   ┴ C─ disπ ma∙ bσ createΣ witΦ ß ì
  188. singlσ informatioε tracδ witΦ ß singlσ inde° o≥ witΦ 9╣ informatioε track≤ ì
  189. eacΦ witΦ 9╣ indexes.
  190.  
  191. ááThσ suΓ-channe∞ informatioε whicΦ i≤ par⌠ oµ eacΦ secto≥ include≤ ß tracδ ì
  192. relativσ MS╞ locatioε valuσ givinτ thσ distancσ froφ thσ firs⌠ informatioε ì
  193. secto≥ oµ thσ track« Oε thσ mediß thi≤ valuσ decrease≤ durinτ thσ prσ-ga≡ areß ì
  194. (sector≤ witΦ inde° value≤ oµ 0⌐ anΣ increase≤ fo≥ thσ res⌠ oµ thσ track« Thσ ì
  195. datß returneΣ b∙ thσ REA─ SU┬-CHANNE╠ commanΣ witΦ MS╞ bi⌠ se⌠ t∩ zero¼ ì
  196. convert≤ thi≤ t∩ ß tracδ relativσ logica∞ blocδ addres≤ (TRLBA)« Thσ TRLB┴ i≤ ì
  197. continuall∙ increasinτ ove≥ thσ wholσ tracδ anΣ prσ-ga≡ area≤ shal∞ returε ì
  198. negativσ values« Wheε thσ MS╞ bi⌠ iε thσ ReaΣ SuΓ-channe∞ commanΣ i≤ se⌠ t∩ ì
  199. one¼ thσ MS╞ tracδ relativσ locatioε valuσ froφ thσ mediß i≤ reporteΣ withou⌠ ì
  200. change.
  201.  
  202. .cp 10è.aw off
  203. .pm 0
  204. 13.1.2. CD-RO═ Physica∞ Datß Format
  205. .aw on
  206. .pm 3
  207.  
  208. ááThσ physica∞ forma⌠ oµ C─-RO═ anΣ C─-D┴ mediß use≤ ß smalle≥ uni⌠ oµ ì
  209. synchronizatioε thaε thσ morσ familia≥ magnetiπ o≥ optica∞ recordinτ systems« ì
  210. Thσ basiπ datß streaφ synchronizatioε uni⌠ i≤ ß smal∞ frame«  Thi≤ i≤ no⌠ thσ ì
  211. samσ largσ framσ (sector⌐ a≤ referreΣ t∩ iε thσ MS╞ unit«  EacΦ smal∞ framσ ì
  212. consist≤ oµ 58╕ bits«  ┴ secto≥ oε C─-RO═ mediß consist≤ oµ 9╕ smal∞ frames.
  213.  
  214. .cp 5
  215. áá┴ C─-RO═ smal∞ framσ consist≤ of:
  216. áá▒  Synchronizatioε patterε   (24+│ bits)
  217. áá▒  Bytσ oµ SuΓ-channe∞ Datß  (14+│ bits)
  218. áá2┤ Byte≤ oµ Datß             (2┤ ° (14+3⌐ bits)
  219. áá╕  Byte≤ oµ CIR├ codσ        (╕ ° (14+3⌐ bits⌐       Total║ 58╕ bits.
  220.  
  221. .cp 4
  222. ááData¼ suΓ-channe∞ anΣ CIR├ byte≤ arσ encodeΣ witΦ aε eigh⌠-t∩-fourteeε bi⌠ ì
  223. codσ theε threσ merginτ bit≤ arσ added«  Thσ merginτ bit≤ arσ choseε t∩ ì
  224. providσ minimuφ lo≈ frequenc∙ signa∞ conten⌠ anΣ optimizσ phasσ locδ loo≡ ì
  225. performance« 
  226.  
  227. .cp 5
  228. .aw off
  229. .pm 0
  230. 13.1.2.1. Framσ Forma⌠ fo≥ Audio
  231. .aw on
  232. .pm 3
  233. ááEacΦ smal∞ framσ oµ aε audi∩ tracδ oε ß tw∩ channe∞ C─-D┴ o≥ C─-RO═ mediß ì
  234. consist≤ oµ si° digitizeΣ 1╢ bi⌠ sample≤ oµ eacΦ audi∩ channel« Thesσ 2┤ byte≤ ì
  235. oµ datß arσ combineΣ witΦ ß synchronizatioε pattern¼ CIR├ byte≤ anΣ ß suΓ-ì
  236. channe∞ bytσ t∩ makσ ß frame« EacΦ framσ take≤ approximatel∙ 136.0╡ u╙ t∩ ì
  237. play« Thi≤ give≤ ß samplinτ ratσ oµ 44.▒ KH· fo≥ eacΦ channel« Thσ suΓ-channe∞ ì
  238. informatioε create≤ thσ highe≥ leve∞ secto≥ groupinτ fo≥ audi∩ tracks.
  239.  
  240. .cp 5
  241. .aw off
  242. .pm 0
  243. 13.1.2.2. Secto≥ Forma⌠ fo≥ Data
  244. .aw on
  245. .pm 3
  246. ááThσ datß byte≤ oµ 9╕ smal∞ frame≤ comprisσ thσ physica∞ uni⌠ oµ datß whicΦ ì
  247. i≤ referreΣ t∩ a≤ ß sector«  (9╕ smal∞ frame≤ time≤ 2┤ byte≤ pe≥ smal∞ framσ ì
  248. equa∞ 235▓ byte≤ oµ datß pe≥ sector.⌐   
  249.  
  250. áá┴ secto≥ whicΦ contain≤ C─-RO═ Datß Modσ onσ datß ha≤ thσ followinτ format:
  251.  
  252. .cp 12
  253. .pm 3
  254. .lm 19
  255. áá12 bytes     Synchronizatioε Field
  256. áá4 bytes      CD-RO═ datß header
  257. .pm 19
  258. ááááááááááááááááááAbsolutσ ═ FielΣ iε bcΣ format
  259. ááááááááááááááááááAbsolutσ ╙ FielΣ iε bcΣ format
  260. ááááááááááááááááááAbsolutσ ╞ FielΣ iε bcΣ format
  261. ááááááááááááááááááC─-RO═ Datß Modσ FielΣ 
  262. .pm 3
  263. áá2048 bytes   Use≥ Datß Field
  264. áá4 bytes      Erro≥ Detectioε Code
  265. áá8 bytes      zero
  266. áá276 bytes    LayereΣ Erro≥ Correctioε Code
  267. .pm 3
  268. .lm 1
  269.  
  270. .cp 12èáá┴ secto≥ whicΦ contain≤ C─-RO═ Datß Modσ tw∩ datß ha≤ thσ followinτ format:
  271.  
  272. .lm 19
  273. .pm 3
  274. áá12 bytes     Synchronizatioε FielΣ 
  275. áá4 bytes      CD-RO═ Datß Header
  276. .pm 19
  277. ááááááááááááááááááAbsolutσ ═ FielΣ iε bcΣ format
  278. ááááááááááááááááááAbsolutσ ╙ FielΣ iε bcΣ format
  279. ááááááááááááááááááAbsolutσ ╞ FielΣ iε bcΣ format
  280. ááááááááááááááááááC─-RO═ Datß Modσ Field
  281. .pm 3
  282. áá2336 bytes   Use≥ Datß FielΣ (204╕ byte≤ oµ Modσ ▒ datß plu≤ 28╕ byte≤ oµ ì
  283. ááááááááááááááááááAuxiliar∙ data)
  284. .lm 1
  285. .pm 3
  286.  
  287. .cp 6
  288. .lm 3
  289. ááIMPLEMENTOR╙ NOTE║  Man∙ drive≤ arσ capablσ oµ returninτ C─-RO═ Datß Modσ ì
  290. ááonσ datß iε ß C─-RO═ Datß Modσ tw∩ format«  Thi≤ allow≤ thσ use≥ t∩ ì
  291. ááinvestigatσ thσ erro≥ detectioε anΣ erro≥ correctioε codes«  Howeve≥ datß ì
  292. ááencodeΣ a≤ C─-RO═ Datß Modσ tw∩ canno⌠ bσ reaΣ a≤ C─-RO═ Datß Modσ onσ data.
  293. .lm 1
  294.  
  295. .cp 5
  296. .aw off
  297. .pm 0
  298. 13.1.2.3. Sub-channe∞ Informatioε Formats
  299. .aw on
  300. .pm 3
  301. ááThσ SuΓ-channe∞ bytσ oµ eacΦ framσ i≤ assigneΣ onσ bi⌠ t∩ eacΦ oµ thσ ╕ suΓ-ì
  302. channels¼ designateΣ P¼ Q¼ R¼ S¼ T¼ U¼ V¼ W«  Onl∙ suΓ-channel≤ ╨ anΣ ╤ arσ ì
  303. defineΣ fo≥ C─-RO═ media«  Thσ othe≥ suΓ-channe∞ bit≤ arσ zero.
  304.  
  305. .cp 3
  306. ááSuΓ-channe∞ ╨ i≤ ß simplσ flaτ bi⌠ tha⌠ ma∙ bσ useΣ fo≥ audi∩ mutinτ contro∞ ì
  307. anΣ tracδ boundar∙ determination« 
  308.  
  309. .cp 3
  310. ááSuΓ-channe∞ ╤ ha≤ ß highe≥ leve∞ oµ structure« Al∞ thσ suΓ-channe∞ ╤ bit≤ oµ ì
  311. ß secto≥ definσ thσ suΓ-channe∞ ╤ informatioε block«  (Fo≥ audi∩ tracks¼ ì
  312. decodinτ thσ ╤ suΓ-channe∞ i≤ thσ onl∙ wa∙ t∩ distinguisΦ secto≥ boundaries.⌐ 
  313.  
  314. .cp 3
  315. ááThσ suΓ-channe∞ ╤ blocδ consist≤ oµ 9╕ bits¼ onσ bi⌠ froφ eacΦ smal∞ framσ ì
  316. iε ß sector«  Threσ format≤ arσ defineΣ fo≥ thσ suΓ-channe∞ ╤ informatioε ì
  317. block« Thσ firs⌠ forma⌠ provide≤ locatioε informatioε anΣ i≤ defineΣ a≤ ì
  318. follows:
  319.  
  320. .cp8
  321. áá▓ bit≤   SuΓ-channe∞ Synchronizatioε Field
  322. áá┤ bit≤   AD╥ FielΣ ¡ define≤ thσ format
  323. áá┤ bit≤   Contro∞ fielΣ ¡ define≤ thσ typσ oµ informatioε iε thi≤ sector.
  324. áá╕ bit≤   Tracδ Numbe≥ (iε BCD)
  325. áá╕ bit≤   Inde° Numbe≥ (iε BCD)
  326. áá2┤ bit≤  Tracδ Relativσ MS╞ addres≤ 
  327. áá╕ bit≤   reserveΣ (0)
  328. áá2┤ bit≤  Absolutσ MS╞ address
  329. áá1╢ bit≤  CR├ erro≥ detectioε code.
  330.  
  331. ááThi≤ forma⌠ i≤ requireΣ t∩ exis⌠ iε a⌠ leas⌠ ninσ ou⌠ oµ teε consecutivσ ì
  332. sectors« 
  333.  
  334. .cp 3
  335. ááThσ seconΣ anΣ thirΣ format≤ arσ optional«  Iµ useΣ the∙ mus⌠ exis⌠ iε a⌠ ì
  336. leas⌠ onσ ou⌠ oµ 10░ consecutivσ sectors«  The∙ includσ thσ absolutσ Framσ ì
  337. bytσ oµ thσ MS╞ addres≤ t∩ providσ locatioε informatioε continuity.
  338.  
  339. .cp 2
  340. ááThσ seconΣ forma⌠ give≤ thσ cataloτ numbe≥ oµ thσ disπ (UPC/EA╬ Ba≥ Codσ ì
  341. number)«  Thi≤ informatioε i≤ constan⌠ ove≥ thσ wholσ media« 
  342.  
  343. .cp 3èááThσ thirΣ forma⌠ give≤ thσ Internationa∞-StandarΣ-Recordinτ-Codσ (ISRC⌐ fo≥ ì
  344. eacΦ track«  Thσ ISR├ i≤ defineΣ iε DI╬-3▒-621«  Thi≤ forma⌠ i≤ no⌠ presen⌠ oε ì
  345. leaΣ-iε o≥ leaΣ-ou⌠ track≤ anΣ ma∙ changσ onl∙ afte≥ thσ tracδ numbe≥ changes.
  346.  
  347. .cp 10
  348. .aw off
  349. .pm 0
  350. 13.1.3. C─ Audi∩ Erro≥ Reporting
  351. .aw on
  352. .pm 3
  353.  
  354. ááPLA┘ AUDI╧ command≤ witΦ thσ immediatσ bi⌠ se⌠ iε thσ audi∩ contro∞ modσ ì
  355. returε statu≤ a≤ sooε a≤ thσ commanΣ ha≤ beeε validateΣ (whicΦ ma∙ involvσ ß ì
  356. seeδ t∩ thσ startinτ address)« Thσ playbacδ operatioε continue≤ anΣ ma∙ ì
  357. completσ withou⌠ notificatioε t∩ thσ initiator«  Erro≥ terminatioε oµ audi∩ ì
  358. operation≤ shal∞ bσ reporteΣ t∩ thσ initiato≥ b∙ returninτ immediatσ CHEC╦ ì
  359. CONDITIO╬ statu≤ t∩ thσ nex⌠ commanΣ (excep⌠ fo≥ REQUES╘ SENS┼ anΣ INQUIRY.⌐  ì
  360. Thσ deferreΣ erro≥ sensσ datß erro≥ code¼ 71Φ (seσ Tablσ ╖-3╡ anΣ 7.2.14.2.⌐ ì
  361. i≤ useΣ t∩ indicatσ tha⌠ thσ erro≥ i≤ no⌠ duσ t∩ thσ curren⌠ command.
  362.  
  363. ááThσ statu≤ oµ thσ pla∙ operatioε ma∙ bσ determineΣ b∙ issuinτ ß REQUES╘ ì
  364. SENS┼ command«  Thσ sensσ ke∙ i≤ se⌠ t∩ N╧ SENS┼ anΣ thσ pla∙ operatioε statu≤ ì
  365. (seσ Tablσ 1│-20⌐ i≤ reporteΣ iε thσ additiona∞ sensσ codσ qualifie≥ field.
  366.  
  367. .cp 10
  368. .aw off
  369. .pm 0
  370. 13.1.4. C─-RO═ Read∙ Condition/No⌠ Read∙ Condition
  371. .aw on
  372. .pm 3
  373.  
  374. ááThσ read∙ conditioε occur≤ afte≥ ß cartridgσ i≤ inserteΣ anΣ thσ drivσ ha≤ ì
  375. performeΣ it≤ initializatioε tasks«  Thesσ ma∙ includσ readinτ thσ tablσ oµ ì
  376. content≤ froφ thσ media.
  377.  
  378. áá┴ no⌠ read∙ conditioε ma∙ occu≥ fo≥ thσ followinτ reasons║  
  379. .lm 6
  380. áá(1) Therσ i≤ n∩ cartridgσ inserted.
  381. áá(2) Thσ drivσ i≤ unablσ t∩ loaΣ o≥ unloaΣ thσ cartridge.
  382. áá(3) Thσ drivσ i≤ unablσ t∩ recove≥ thσ tablσ oµ contents.
  383. áá(4) Thσ controlle≥ canno⌠ selec⌠ thσ drive«  
  384. .lm 1
  385.  
  386. .cp 10
  387. .aw off
  388. .pm 0
  389. 13.1.5. C─-RO═ Addres≤ Reportinτ Format≤ (MSF Bit)
  390. .aw on
  391. .pm 3
  392.  
  393. ááSevera∞ C─-RO═ specifiπ command≤ caε repor⌠ addresse≤ eithe≥ iε logica∞ o≥ ì
  394. iε MS╞ forma⌠ (Tablσ 1│-1)«  Thσ REA─ HEADER¼ REA─ SU┬-CHANNE╠ anΣ REA─ TABL┼ ì
  395. O╞ CONTENT╙ command≤ havσ thi≤ feature.
  396.  
  397. ááAε MS╞ bi⌠ oµ zer∩ request≤ tha⌠ thσ logica∞ blocδ addres≤ forma⌠ bσ useΣ ì
  398. fo≥ thσ C─-RO═ absolutσ addres≤ fielΣ o≥ fo≥ thσ offse⌠ froφ thσ beginninτ oµ ì
  399. thσ curren⌠ tracδ expresseΣ a≤ ß numbe≥ oµ logica∞ block≤ iε ß C─-RO═ tracδ ì
  400. relativσ addres≤ field«  Thi≤ tracδ relativσ logica∞ blocδ addres≤ (TRLBA⌐ ì
  401. valuσ i≤ reporteΣ a≤ ß negativσ valuσ iε two≤-complemen⌠ notatioε fo≥ ì
  402. transitioε area≤ tha⌠ havσ decreasinτ MS╞ encodeΣ relativσ addresses.
  403.  
  404. ááAε MS╞ bi⌠ oµ onσ request≤ tha⌠ thσ MS╞ forma⌠ bσ useΣ fo≥ thesσ fields«  Iε ì
  405. certaiε transitioε area≤ thσ relativσ MS╞ addresse≤ arσ decreasinτ positivσ ì
  406. values«  Thσ absolutσ MS╞ addresse≤ arσ alway≤ increasinτ positivσ value≤ (seσ ì
  407. entr∙ iε 13.4).
  408.  
  409. .aw off
  410. .pm 0
  411. .cp 15è                         Table 13-1: MSF Addres≤ Format
  412.  
  413. ==============================================================================
  414.   Bitⁿ   ╖    ⁿ   ╢    ⁿ   ╡    ⁿ   ┤    ⁿ   │    ⁿ   ▓    ⁿ   ▒    ⁿ   ░    |
  415. Bytσ ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        |
  416. ==============================================================================
  417.  ░   ⁿ                           ReserveΣ                                    |
  418. -----|-----------------------------------------------------------------------|
  419.  1   ⁿ                           ═ Field                                     |
  420. -----|---------------------------¡-------------------------------------------|
  421.  2   ⁿ                           ╙ Field                                     |
  422. -----|-----------------------------------------------------------------------|
  423.  3   ⁿ                           ╞ Field                                     |
  424. ==============================================================================
  425. .aw on
  426. .pm 3
  427.  
  428.  
  429. ááThσ M¼ S¼ anΣ ╞ field≤ arσ expresseΣ a≤ binar∙ numbers«  Thσ value≤ matcΦ ì
  430. thosσ oε thσ mediß excep⌠ fo≥ thσ encoding«  Thσ ratio≤ oµ ═ fielΣ unit≤ t∩ ╙ ì
  431. fielΣ unit≤ anΣ ╙ fielΣ unit≤ t∩ ╞ fielΣ unit≤ i≤ reporteΣ iε thσ modσ ì
  432. parameter≤ pagσ (seσ 13.3.3).
  433.  
  434. .cp 10
  435. .aw off
  436. .pm 0
  437. 13.1.6. Sensinτ Suppor⌠ fo≥ C─-Audi∩ Command≤« 
  438. .aw on
  439. .pm 3
  440.  
  441. ááIµ an∙ command≤ relateΣ t∩ audi∩ operation≤ arσ implementeΣ theε thσ PLA┘ ì
  442. AUDI╧ commanΣ shal∞ bσ implementeΣ t∩ allo≈ ß methoΣ fo≥ thσ initiato≥ t∩ ì
  443. determinσ iµ audi∩ operation≤ arσ supported«  ┴ targe⌠ respondinτ t∩ ß PLA┘ ì
  444. AUDI╧ commanΣ whicΦ ha≤ ß transfe≥ lengtΦ oµ zer∩ witΦ CHEC╦ CONDITIO╬ statu≤ ì
  445. anΣ settinτ thσ sensσ ke∙ t∩ ILLEGA╠ REQUES╘ doe≤ no⌠ suppor⌠ audi∩ pla∙ ì
  446. operations« 
  447.  
  448. .lm 3
  449. ááNOTE║ Thσ PLA┘ AUDI╧ commanΣ ma∙ bσ implementeΣ withou⌠ suppor⌠ fo≥ an∙ oµ ì
  450. ááthσ othe≥ audi∩ operation≤ commands« 
  451. .lm 1
  452.  
  453. ááTablσ 1│-▓ give≤ aε examplσ oµ ß disπ layout.
  454.  
  455. .aw off
  456. .pm 0
  457. .cp 55è                Table 13-2: Examplσ MixeΣ Modσ CD-RO═ Disc Layout
  458.  
  459. Thσ logica∞ addresse≤ giveε belo≈ assumσ ß blocδ lengtΦ oµ 2048¼ 233╢ o≥ 234░ ì
  460. bytes«  Fo≥ blocδ length≤ oµ 1024¼ 51▓ o≥ 25╢ multipl∙ al∞ value≤ giveε iε thσ ì
  461. SCS╔ Address column≤ b∙ ▓¼ ┤ o≥ ╕ respectively.
  462.  
  463.                SCS╔            /--¡ Sub-channel Informatioε ----▄  
  464.               Addres≤         »                                  ▄
  465.           Logica∞  Tracδ     Absolutσ  Track  Tracδ    Sector   Modσ  CD-ROM
  466.           Addres≤  Relative  MSF       and    Relative i≤ Info Audio  Datß 
  467. Block    (decimal⌐ Logica∞   Addres≤   Index  MSF      o≥ is   o≥     Mode 
  468. Description        Addres≤    (1)             Addres≤  Pause   Data   (2)
  469. -----------------------------------------------------------------------------
  470. Lead-In                     
  471. Areß (3)     --¡     --¡     --¡        0/¡     --¡     --¡    Audi∩   ---
  472.                             
  473. Pre-gap (3⌐  --¡     --¡    00/00/00    1/░   00/02/00  Pausσ  Datß    Null
  474.                             
  475. 1s⌠ Trk     000░      ░     00/02/0░    ▒/▒   00/00/0░  Inf∩   Datß    L-EC  
  476. Data         (5)              (4)  
  477.                             
  478. 2nΣ Trδ     6000      ░     01/22/0░    2/▒   00/00/0░  Inf∩   Datß    L-EC  
  479. Datß         (5)              (4⌐
  480.  
  481.             7500    1500    01/42/0░    2/▓   00/20/0░  Info   Datß    L-EC
  482.                             
  483. Post-gap    900░    300░    02/02/0░    2/│   00/40/00  Pausσ  Datß    Null
  484.                             
  485. Pausσ-      915░    -15░    02/04/0░    │/░   00/02/0░  Pausσ  Audio   ---
  486. Silence              (9)                        (8)
  487.          
  488. 3rΣ Trk     930░      ░     02/04/0░    │/▒   00/00/0░  Inf∩   Audio   ---
  489. Audi∩        (7)               (6) 
  490.  
  491.            11400    225░    02/34/0░    │/▓   00/30/0░  Inf∩   Audi∩   ---
  492.  
  493. Tracδ 4    21975      ░     04/53/0░    4/▒   00/00/0░  Inf∩   Audio   ---
  494. Audio        (7)               (6)
  495.  
  496. Pre-gap    3000░    -22╡    06/40/0░    5/░   00/03/0░  Pausσ  Audi∩   ---  
  497. Par⌠ 1               (9)
  498.  
  499. Pre-gap    3007╡    -15░    06/41/0░    5/░   00/02/0░  Pausσ  Datß    Null
  500. Par⌠ 2
  501.  
  502. Tracδ ╡    3022╡      ░     06/43/0░    5/▒   00/00/0░  Inf∩   Datß    L-EC
  503. Data
  504.  
  505. Las⌠      263999  233774    58/39/7┤    5/▒   51/56/74  Inf∩   Datß    L-EC
  506. Inf∩       (10) 
  507.  
  508. Post-gap    --¡   233775    58/40/0░    5/2   51/57/00  Pausσ  Datß    Null
  509.    
  510. Lead-ou⌠  26400░      ░     58/42/0░   AA/▒   00/00/0░  Pausσ  Audio   --- 
  511. tracδ      (11)               (12⌐     (13⌐   è.aw on
  512. .pm 3
  513.  
  514. .cp 10
  515. ááNote≤ fo≥ Tablσ 1│-2:
  516. áá(1⌐ Absolutσ MS╞ addres≤ repeateΣ iε thσ heade≥ fielΣ oµ datß blocks.
  517. áá(2⌐ Thσ C─-RO═ Datß Modσ i≤ storeΣ iε thσ heade≥ oµ datß tracks« Thi≤ ì
  518. indicate≤ tha⌠ thσ blocδ i≤ par⌠ oµ ß datß prσ-ga≡ o≥ pos⌠-ga≡ (null)¼ tha⌠ ì
  519. thi≤ ß datß blocδ usinτ thσ auxiliar∙ fielΣ fo≥ ╠-E├ symbol≤ (EC├ ¡ C─-RO═ ì
  520. Datß Modσ one)¼ o≥ tha⌠ thi≤ i≤ ß datß blocδ usinτ thσ auxiliar∙ fielΣ fo≥ ì
  521. use≥ datß (C─-RO═ Datß Modσ two).
  522. áá(3⌐ Tablσ oµ content≤ informatioε i≤ storeΣ iε thσ suΓ-channe∞ oµ leaΣ-iε ì
  523. area« Thσ leaΣ-iε areß i≤ codeΣ a≤ tracδ zero« Tracδ zer∩ anΣ thσ initia∞ 15░ ì
  524. secto≥ prσ-ga≡ (o≥ audi∩ pause⌐ arσ no⌠ accessiblσ witΦ logica∞ addressing.
  525. áá(4⌐ Valuσ storeΣ iε tablσ oµ content≤ witΦ zer∩ tolerance.
  526. áá(5⌐ Exac⌠ valuσ returneΣ b∙ REA─ TO├ command.
  527. áá(6⌐ Valuσ storeΣ iε tablσ oµ content≤ plu≤ o≥ minu≤ 7╡ sectors.
  528. áá(7⌐ Valuσ returneΣ b∙ REA─ TO├ commanΣ plu≤ o≥ minu≤ 7╡ blocks.
  529. áá(8⌐ Tracδ relativσ MS╞ valuσ decrease≤ t∩ ░ iε prσ-ga≡ areas.
  530. áá(9⌐ Tracδ relativσ logica∞ addresse≤ arσ negativσ iε thσ prσ-ga≡ areas«  ì
  531. Prσ-ga≡ area≤ havσ inde° value≤ oµ zero.
  532. áá(10⌐ Minimuφ valuσ returneΣ b∙ REA─ C─-RO═ CAPACIT┘ ¡ Exac⌠ valuσ depend≤ oε ì
  533. encodinτ oµ thi≤ tracδ anΣ thσ leaΣ ou⌠ tracδ anΣ whethe≥ thi≤ i≤ deriveΣ froφ ì
  534. thσ TO├ data.
  535. áá(11⌐ Valuσ returneΣ b∙ REA─ TO├ commanΣ ¡ exac⌠ iµ leaΣ-ou⌠ tracδ i≤ encodeΣ ì
  536. a≤ data¼ o≥ plu≤ o≥ minu≤ 7╡ block≤ iµ encodeΣ a≤ audio.
  537. áá(12⌐ Valuσ storeΣ iε tablσ oµ content≤ ¡  exac⌠ iµ leaΣ-ou⌠ tracδ i≤ codeΣ ì
  538. a≤ data¼ o≥ plu≤ o≥ minu≤ 7╡ block≤ iµ codeΣ a≤ audio.
  539. áá(13⌐ LeaΣ-ou⌠ tracδ numbe≥ i≤ defineΣ a≤ 0AAh« 
  540. .lm 1
  541.  
  542. .cp 30è.cp10
  543. áá13.1.7. Erro≥ Reporting
  544.  
  545. ááIµ an∙ oµ thσ followinτ condition≤ occu≥ durinτ thσ executioε oµ ß commanΣ ì
  546. thσ targe⌠ shal∞ returε CHEC╦ CONDITIO╬ status«  Thσ appropriatσ sensσ ke∙ anΣ ì
  547. additiona∞ sensσ codσ shoulΣ bσ set«  Thσ followinτ tablσ illustrate≤ somσ ì
  548. erro≥ condition≤ anΣ thσ applicablσ sensσ keys«  Thσ tablσ doe≤ no⌠ providσ aε ì
  549. exhaustivσ enumeratioε oµ al∞ condition≤ tha⌠ ma∙ causσ thσ CHEC╦ CONDITIO╬ ì
  550. status.
  551.  
  552. .cp 25
  553. .pm 0
  554. .aw off
  555. Condition                                         Sense Key
  556. ----------------------------------------------    ----------------------------
  557. Invalid logical block address                     ILLEGAL REQUEST
  558.  
  559. UnsupporteΣ optioε requesteΣ                      ILLEGA╠ REQUEST
  560.  
  561. Target reset or medium change since
  562. last command from this initiator                  UNIT ATTENTION
  563.  
  564. Selµ diagnostiπ faileΣ                            HARDWAR┼ ERROR
  565.  
  566. Unrecovered read error                            MEDIUM ERROR
  567.                                                   HARDWAR┼ ERROR
  568.  
  569. Recovered read error                              RECOVERED ERROR
  570.  
  571. Overrun or other error that might
  572. be resolved by repeating the command              ABORTED COMMAND
  573.  
  574. Attemp⌠ t∩ reaΣ ß blanδ blocδ«                    BLAN╦ CHEC╦
  575.  
  576. Attemp⌠ t∩ pla∙ ß datß blocδ a≤ audio.            BLAN╦ CHECK
  577.  
  578. .pm 3
  579. .aw on
  580.  
  581. ááIε thσ casσ oµ aε invaliΣ logica∞ blocδ address¼ thσ sensσ datß informatioε ì
  582. fielΣ shal∞ bσ se⌠ t∩ thσ logica∞ blocδ addres≤ oµ thσ firs⌠ invaliΣ address.
  583.  
  584. ááIε thσ casσ oµ aε attemp⌠ t∩ reaΣ ß blanδ o≥ previousl∙ unwritteε block¼ thσ ì
  585. sensσ datß informatioε fielΣ shal∞ bσ se⌠ t∩ thσ logica∞ blocδ addres≤ oµ thσ ì
  586. firs⌠ blanδ blocδ encountered«  Thσ datß reaΣ u≡ t∩ tha⌠ blocδ shal∞ bσ ì
  587. transferred.
  588.  
  589. ááTherσ arσ othe≥ specia∞ erro≥ situation≤ fo≥ C─-RO═ devices« Iε thσ ì
  590. followinτ case≤ thσ sensσ ke∙ shal∞ bσ se⌠ t∩ BLAN╦ CHEC╦ anΣ thσ additiona∞ ì
  591. sensσ codσ se⌠ t∩ EN─ O╞ USE╥ ARE┴ ENCOUNTERE─ O╬ THI╙ TRACK« 
  592. .lm 6
  593. áá(1) ┴ pos⌠-ga≡ areß i≤ encountered« (i.e« ß blocδ witΦ C─-RO═ Datß Modσ 0.)
  594. áá(2) ┴ prσ-ga≡ areß i≤ encountered« (i.e« ß blocδ witΦ inde° equa∞ t∩ 0.)
  595. áá(3) Thσ informatioε typσ (datß vs« audio⌐ changes« 
  596. .lm 1
  597.  
  598. ááWheε no⌠ performinτ audi∩ playback¼ iµ thσ logica∞ blocδ addres≤ requesteΣ ì
  599. i≤ no⌠ withiε ß datß tracδ thσ commanΣ shal∞ bσ terminateΣ witΦ CHEC╦ ì
  600. CONDITIO╬ status«  Thσ sensσ ke∙ shal∞ bσ se⌠ t∩ BLAN╦ CHEC╦ anΣ thσ ì
  601. additiona∞ sensσ codσ se⌠ t∩ ILLEGA╠ MOD┼ FO╥ THI╙ TRACK«  Thi≤ applie≤ t∩ ì
  602. audi∩-combineΣ anΣ audi∩ media«   
  603.  
  604. .cp 50è.aw off
  605. .pm 0
  606. 13.2. Command≤ fo≥ CD-ROM Devices
  607.  
  608.   Thσ command≤ fo≥ CD-ROM device≤ shal∞ bσ a≤ showε iε Table1│-3¼ and 13-4.
  609.  
  610.                       Table 13-3: Commands for CD-ROM Devices(1)
  611.  
  612. ==============================================================================
  613.                                 Operation
  614. Command Name                       Code   Type    Section  
  615. ------------------------------------------------------------------------------
  616. CHANG┼ DEFINITIO╬                  40h      ╧      7.2.1 
  617. COMPARE                            39h      O      7.2.2
  618. COPY                               18h      O      7.2.3
  619. COPY AND VERIFY                    3Ah      ╧      7.2.4
  620. INQUIRY                            12h      M      7.2.5
  621. LOCK/UNLOC╦ CACHE                  36h      O      8.2.2
  622. LO╟ SELEC╘                         4CΦ      ╧      7.2.6
  623. LO╟ SENSE                          4DΦ      ╧      7.2.7
  624. MODE SELECT(6)                     15h      O      7.2.8
  625. MODE SELECT(10)                    55h      O      7.2.9
  626. MODE SENSE(6)                      1Ah      O      7.2.10
  627. MODE SENSE(10⌐                     5Ah      ╧      7.2.11
  628. PAUSE/RESUME                       4BΦ      ╧     13.2.1
  629. PLA┘ AUDIO(10)                     45Φ      ╧*    13.2.2
  630. PLA┘ AUDIO(12)                     A5Φ      ╧*    13.2.3
  631. PLA┘ AUDIO MSF                     47Φ      ╧*    13.2.4
  632. PLA┘ AUDIO TRACK/INDEX             48Φ      ╧¬    13.2.5
  633. PLA┘ TRAC╦ RELATIVE(10⌐            49Φ      ╧*    13.2.6
  634. PLA┘ TRAC╦ RELATIVE(12⌐            A9Φ      ╧*    13.2.7
  635. PRE-FETCH                          34h      O      8.2.3
  636. PREVENT/ALLOW MEDIUM REMOVAL       1Eh      O      8.2.4
  637. READ(6)                            08h      O      8.2.5
  638. READ(10⌐                           28h      M      8.2.6
  639. READ(12)                           A8h      O     15.2.4
  640. REA─ BUFFER                        3Ch      O      7.2.12
  641. READ CD-RO═ CAPACITY               25h      M     13.2.╕ 
  642. READ HEADE╥                        44h      O     13.2.╣ 
  643. REA─ LON╟                          3EΦ      ╧      8.2.9  
  644. READ SUB-CHANNE╠                   42h      O     13.2.10
  645. READ TO├                           43h      O     13.2.11
  646. RECEIVE DIAGNOSTIC RESULTS         1Ch      O      7.2.13
  647. RELEASE                            17h      M      8.2.11
  648. REQUEST SENSE                      03h      M      7.2.14
  649. RESERVE                            16h      M      8.2.12
  650. REZERO UNIT                        01h      O      8.2.13
  651. ===============================================╜==============================
  652. .aw on
  653. .pm 3
  654.  
  655. ááKey║ ═  ╜  CommanΣ implementatioε i≤ mandatory.
  656. áá     ╧  ╜  CommanΣ implementatioε i≤ optional.
  657. .lm 12
  658. áá     *  =  Iµ an∙ oµ thσ PLA┘ AUDI╧ command≤ (a≤ indicateΣ b∙ aε ¬ iε thσ ì
  659. ááááááááááá'Typeº columε iε Tablσ 1│-3⌐ arσ implemented¼ thσ PLA┘ AUDI╧ ì
  660. ááááááááááácommanΣ shal∞ bσ implementeΣ b∙ thσ target.
  661. .lm 1
  662.  
  663. .cp 54è.aw off
  664. .pm 0
  665.                       Table 13-4: Commands for CD-ROM Device≤(2)
  666.  
  667. ==============================================================================
  668.                                 Operation
  669. Command Name                       Code   Type    Section     
  670. ------------------------------------------------------¡-----------------------
  671. SEARCH DATA EQUAL(10)              31h      O      8.2.14.1
  672. SEARCH DATA EQUAL(12⌐              B1h      O     15.2.8
  673. SEARCH DATA HIGH(10⌐               30h      O      8.2.14.2
  674. SEARCH DATA HIGH(12⌐               B0h      O     15.2.8
  675. SEARCH DATA LOW(10⌐                32h      O      8.2.14.3
  676. SEARCH DATA LOW(12⌐                B2h      O     15.2.8
  677. SEEK(╢⌐                            0Bh      O      8.2.15
  678. SEEK(10)                           2Bh      O      8.2.15
  679. SEND DIAGNOSTIC                    1Dh      M      7.2.15
  680. SET LIMITS(10⌐                     33h      O      8.2.16
  681. SET LIMITS(12⌐                     B3h      O     15.2.9
  682. STAR╘ STOP UNIT                    1Bh      O      8.2.17
  683. SYNCHRONIZ┼ CACHE                  35Φ      ╧      8.2.18
  684. TEST UNIT READY                    00h      M      7.2.16
  685. VERIFY(10)                         2Fh      O     15.2.11
  686. VERIFY(12⌐                         AFh      O     15.2.12
  687. WRIT┼ BUFFER                       3Bh      O      7.2.17
  688. ==============================================================================
  689. .aw on
  690. .pm 3
  691.  
  692. ááKey║ ═  ╜  CommanΣ implementatioε i≤ mandatory.
  693. áá     ╧  ╜  CommanΣ implementatioε i≤ optional.
  694.  
  695.  
  696. ááThσ followinτ commanΣ code≤ arσ vendo≥ specific║  02h¼ 05h¼ 06h¼ 09h¼ 0Ch¼ ì
  697. 0Dh¼ 0Eh¼ 0Fh¼ 10h¼ 11h¼ 13h¼ 14h¼ 19h¼ 20h¼ 21h¼ 22h¼ 23h¼ 24h¼ 26h¼ 27h¼ ì
  698. 29h¼ anΣ C0Φ througΦ FFh«  Al∞ remaininτ commanΣ code≤ fo≥ C─-RO═ device≤ arσ ì
  699. reserveΣ fo≥ futurσ standardization.
  700.  
  701. .cp 35è.pm 0
  702. .aw off
  703. 13.2.1. PAUS┼ RESUME Command
  704.  
  705.                             Table 13-5: PAUS┼ RESUM┼ Command
  706.  
  707. ==============================================================================
  708.   Bitⁿ   ╖    ⁿ   ╢    ⁿ   ╡    ⁿ   ┤    ⁿ   │    ⁿ   ▓    ⁿ   ▒    ⁿ   ░    |
  709. Bytσ ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        |
  710. ==============================================================================
  711.  ░   ⁿ                           Operatioε Codσ (4Bh⌐                        |
  712. -----|-----------------------------------------------------------------------|
  713.  ▒   ⁿ Logica∞ Uni⌠ Numbe≥      ⁿ                     ReserveΣ               |
  714. -----|-----------------------------------------------------------------------|
  715.  ▓   ⁿ                           ReserveΣ                                    |
  716. -----|-----------------------------------------------------------------------|
  717.  │   ⁿ                           ReserveΣ                                    |
  718. -----|-----------------------------------------------------------------------|
  719.  ┤   ⁿ                           ReserveΣ                                    |
  720. -----|-----------------------------------------------------------------------|
  721.  ╡   ⁿ                           ReserveΣ                                    |
  722. -----|-----------------------------------------------------------------------|
  723.  ╢   ⁿ                           ReserveΣ                                    |
  724. -----|-----------------------------------------------------------------------|
  725.  ╖   ⁿ                           ReserveΣ                                    |
  726. -----|-----------------------------------------------------------------------|
  727.  ╕   ⁿ                           ReserveΣ                           ⁿ Resumσ |
  728. -----|-----------------------------------------------------------------------|
  729.  ╣   ⁿ                           Control                                     |
  730. ==============================================================================
  731. .aw on
  732. .pm 3
  733.  
  734.  
  735. ááThσ PAUS┼ RESUM┼ commanΣ (Tablσ 1│-5⌐ request≤ tha⌠ thσ devicσ sto≡ o≥ star⌠ ì
  736. aε audi∩ pla∙ operation«  Thi≤ commanΣ i≤ useΣ witΦ PLA┘ AUDI╧ command≤ issueΣ ì
  737. whilσ thσ immediatσ bi⌠ i≤ se⌠ t∩ one.
  738.  
  739. áá┴ resumσ bi⌠ oµ zer∩ cause≤ thσ drivσ t∩ ente≥ thσ holΣ tracδ statσ witΦ thσ ì
  740. audi∩ outpu⌠ muteΣ afte≥ thσ curren⌠ blocδ i≤ played«   ┴ resumσ bi⌠ oµ onσ ì
  741. cause≤ thσ drivσ t∩ releasσ thσ pausσ anΣ begiε pla∙ a⌠ thσ blocδ followinτ ì
  742. thσ las⌠ blocδ played.
  743.  
  744. ááIµ aε audi∩ pla∙ operatioε canno⌠ bσ resumeΣ anΣ thσ resumσ bi⌠ i≤ one¼ thσ ì
  745. commanΣ i≤ terminateΣ witΦ CHEC╦ CONDITIO╬ status« Iµ thσ resumσ bi⌠ i≤ zer∩ ì
  746. anΣ aε audi∩ pla∙ operatioε canno⌠ bσ paused¼ (n∩ audi∩ pla∙ operatioε ha≤ ì
  747. beeε requested¼ o≥ thσ requesteΣ audi∩ pla∙ operatioε ha≤ beeε completed⌐ thσ ì
  748. commanΣ i≤ terminateΣ witΦ CHEC╦ CONDITIO╬ status«   
  749.  
  750. ááI⌠ shal∞ no⌠ bσ considereΣ aε erro≥ t∩ reques⌠ ß pausσ wheε ß pausσ i≤ ì
  751. alread∙ iε effec⌠ o≥ t∩ reques⌠ ß resumσ wheε ß pla∙ operatioε i≤ iε progress.
  752.  
  753. .cp 35è.pm 0
  754. .aw off
  755. 13.2.2. PLAY AUDI╧(10) Command
  756.  
  757.                             Table 13-6: PLAY AUDI╧(10) CommanΣ 
  758.  
  759. ==============================================================================
  760.   Bitⁿ   ╖    ⁿ   ╢    ⁿ   ╡    ⁿ   ┤    ⁿ   │    ⁿ   ▓    ⁿ   ▒    ⁿ   ░    |
  761. Bytσ ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        |
  762. ==============================================================================
  763.  ░   ⁿ                           Operatioε Codσ (45h⌐                        |
  764. -----|-----------------------------------------------------------------------|
  765.  ▒   ⁿ Logica∞ Uni⌠ Numbe≥      ⁿ             ReserveΣ              ⁿ RelAd≥ |
  766. -----|-----------------------------------------------------------------------|
  767.  2   ⁿ (MSB)                                                                 |
  768. -----|--¡                                                                 ---|
  769.  3   ⁿ                                                                       |
  770. -----|--¡                 Startiετ Logica∞ Block Address                  ---|
  771.  4   ⁿ                                                                       |
  772. -----|--¡                                                                 ---|
  773.  5   ⁿ                                                                  (LSB)|
  774. -----|-----------------------------------------------------------------------|
  775.  6   ⁿ                           Reserved                                    |
  776. -----|-----------------------------------------------------------------------|
  777.  7   ⁿ (MSB)                                                                 |
  778. -----|--¡                        Transfe≥ LengtΦ                          ---|
  779.  8   ⁿ                                                                 (LSB⌐ |
  780. -----|-----------------------------------------------------------------------|
  781.  ╣   ⁿ                           Control                                     |
  782. ==============================================================================
  783. .aw on
  784. .pm 3
  785.  
  786.  
  787. ááThσ PLA┘ AUDI╧ commanΣ (Tablσ 1│-6⌐ request≤ thσ targe⌠ t∩ begiε aε audi∩ ì
  788. playbacδ operation« Thσ commanΣ functioε (ImmeΣ anΣ SOT├ bits⌐ anΣ thσ outpu⌠ ì
  789. oµ audi∩ signal≤ shal∞ bσ a≤ specifieΣ b∙ thσ setting≤ oµ thσ modσ parameter≤ ì
  790. (seσ 13.3.3.1.).
  791.  
  792. ááIµ an∙ command≤ relateΣ t∩ audi∩ operation≤ arσ implementeΣ theε thσ PLA┘ ì
  793. AUDI╧ commanΣ shal∞ bσ implementeΣ t∩ allo≈ ß methoΣ fo≥ thσ initiato≥ t∩ ì
  794. determinσ iµ audi∩ operation≤ arσ supported«  ┴ targe⌠ respondinτ t∩ ß PLA┘ ì
  795. AUDI╧ commanΣ whicΦ ha≤ ß transfe≥ lengtΦ oµ zer∩ witΦ CHEC╦ CONDITIO╬ statu≤ ì
  796. anΣ settinτ thσ sensσ ke∙ t∩ ILLEGA╠ REQUES╘ doe≤ no⌠ suppor⌠ audi∩ pla∙ ì
  797. operations« 
  798.  
  799. ááThσ logica∞ blocδ addres≤ fielΣ specifie≤ thσ logica∞ blocδ a⌠ whicΦ thσ ì
  800. audi∩ playbacδ operatioε shal∞ begin.
  801.  
  802. ááThσ transfe≥ lengtΦ fielΣ specifie≤ thσ numbe≥ oµ contiguou≤ logica∞ block≤ ì
  803. tha⌠ shal∞ bσ played« ┴ transfe≥ lengtΦ fielΣ oµ zer∩ indicate≤ tha⌠ n∩ audi∩ ì
  804. operatioε shal∞ occur«  Thi≤ conditioε shal∞ no⌠ bσ considereΣ a≤ aε error«  
  805.  
  806. .cp 7èááIµ thσ logica∞ blocδ lengtΦ i≤ no⌠ equa∞ t∩ thσ secto≥ sizσ thσ targe⌠ ma∙ ì
  807. adjus⌠ thσ startinτ logica∞ blocδ addres≤ anΣ thσ transfe≥ length« Iε sucΦ ì
  808. case¼ i⌠ i≤ recommendeΣ tha⌠ thσ targe⌠ star⌠ thσ audi∩ pla∙ operatioε witΦ ì
  809. thσ beginninτ oµ ß secto≥ wheneve≥ thσ startinτ logica∞ addres≤ fall≤ withiε ì
  810. tha⌠ secto≥ (MS╞ unit)« Iµ thσ requesteΣ transfe≥ lengtΦ cause≤ thσ enΣ oµ aε ì
  811. audi∩ pla∙ operatioε t∩ fal∞ withiε ß secto≥ thσ targe⌠ ma∙ continuσ thσ pla∙ ì
  812. operatioε througΦ thσ enΣ oµ tha⌠ sector.
  813.  
  814. ááIµ thσ startinτ addres≤ i≤ no⌠ found¼ iµ thσ addres≤ i≤ no⌠ withiε aε audi∩ ì
  815. track¼ o≥ iµ ß no⌠ read∙ conditioε exists¼ thσ commanΣ shal∞ bσ terminateΣ ì
  816. witΦ CHEC╦ CONDITIO╬ status« 
  817.  
  818. ááIµ thσ C─-RO═ informatioε typσ (datß vs« audio⌐ change≤ thσ sensσ ke∙ shal∞ ì
  819. bσ se⌠ t∩ BLAN╦ CHEC╦ anΣ thσ additiona∞ sensσ codσ se⌠ t∩ EN─ O╞ USE╥ ARE┴ ì
  820. ENCOUNTERE─ O╬ THI╙ TRACK« 
  821.  
  822. ááIµ thσ logica∞ blocδ addres≤ requesteΣ i≤ no⌠ withiε aε audi∩ tracδ thσ ì
  823. commanΣ shal∞ bσ terminateΣ witΦ CHEC╦ CONDITIO╬ status«  Thσ sensσ ke∙ shal∞ ì
  824. bσ se⌠ t∩ BLAN╦ CHEC╦ anΣ thσ additiona∞ sensσ codσ se⌠ t∩ ILLEGA╠ MOD┼ FO╥ ì
  825. THI╙ TRACK.
  826.  
  827.  
  828.  
  829. .cp 35è.pm 0
  830. .aw off
  831. 13.2.3. PLA┘ AUDI╧(12) CommanΣ 
  832.  
  833.                             Table 13-7: PLA┘ AUDI╧(12) CommanΣ 
  834.  
  835. ==============================================================================
  836.   Bitⁿ   ╖    ⁿ   ╢    ⁿ   ╡    ⁿ   ┤    ⁿ   │    ⁿ   ▓    ⁿ   ▒    ⁿ   ░    |
  837. Bytσ ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        |
  838. ==============================================================================
  839.  ░   ⁿ                           Operatioε Codσ (A5h⌐                        |
  840. -----|-----------------------------------------------------------------------|
  841.  ▒   ⁿ Logica∞ Uni⌠ Numbe≥      ⁿ               ReserveΣ            ⁿ RelAd≥ |
  842. -----|-----------------------------------------------------------------------|
  843.  2   ⁿ (MSB)                                                                 |
  844. -----|--¡                                                                 ---|
  845.  3   ⁿ                                                                       |
  846. -----|--¡                      Logica∞ Blocδ Address                      ---|
  847.  4   ⁿ                                                                       |
  848. -----|--¡                                                                 ---|
  849.  5   ⁿ                                                                  (LSB)|
  850. -----|-----------------------------------------------------------------------|
  851.  6   ⁿ (MSB)                                                                 |
  852. -----|--¡                                                                 ---|
  853.  ╖   ⁿ                                                                       |
  854. -----|--¡                        Transfe≥ LengtΦ                          ---|
  855.  8   ⁿ                                                                       |
  856. -----|--¡                                                                 ---|
  857.  ╣   |                                                                 (LSB⌐ |
  858. -----|-----------------------------------------------------------------------|
  859.  10  ⁿ                             ReserveΣ                                  |
  860. -----|-----------------------------------------------------------------------|
  861.  11  ⁿ                           Control                                     |
  862. ==============================================================================
  863. .aw on
  864. .pm 3
  865.  
  866.  
  867. ááThσ PLA┘ AUDIO(12⌐ commanΣ (Tablσ 1│-7⌐ request≤ thσ targe⌠ t∩ begiε aε ì
  868. audi∩ playbacδ operation« Thσ commanΣ functioε (ImmeΣ anΣ SOT├ bits⌐ anΣ thσ ì
  869. outpu⌠ oµ audi∩ signal≤ shal∞ bσ a≤ specifieΣ b∙ thσ setting≤ oµ thσ modσ ì
  870. parameter≤ (seσ 13.3.3.1.)« Seσ thσ PLA┘ AUDIO(10⌐ commanΣ fo≥ ß descriptioε ì
  871. oµ thσ field≤ iε thi≤ command.
  872.  
  873. .cp 35è.aw off
  874. .pm 0
  875. 13.2.4. PLA┘ AUDI╧ MSF Command
  876.  
  877.                       Table 13-8: PLA┘ AUDIO MSF CommanΣ
  878.  
  879. ==============================================================================
  880.      ⁿ   ╖    ⁿ   ╢    ⁿ   ╡    ⁿ   ┤    ⁿ   │    ⁿ   ▓    ⁿ   ▒    ⁿ   ░    |
  881. Bytσ ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        |
  882. ==============================================================================
  883.  ░   ⁿ                           Operatioε Codσ (47h⌐                        |
  884. -----|-----------------------------------------------------------------------|
  885.  ▒   ⁿ Logica∞ Uni⌠ Numbe≥      ⁿ                  ReserveΣ                  |                 
  886. -----|-----------------------------------------------------------------------|
  887.  2   ⁿ                           Reserved                                    |
  888. -----|-----------------------------------------------------------------------|
  889.  3   ⁿ                           Startinτ ═ Field                            |
  890. -----|------------------------------------¡----------------------------------|
  891.  4   ⁿ                           Startinτ ╙ Field                            |
  892. -----|-----------------------------------------------------------------------|
  893.  5   ⁿ                           Startinτ ╞ Field                            |
  894. -----|-----------------------------------------¡-----------------------------|
  895.  6   ⁿ                           Endinτ M Field                              |
  896. -----|-----------------------------------------------------------------------|
  897.  7   ⁿ                           Endinτ S Field                              |
  898. -----|-----------------------------------------------------------------------|
  899.  8   ⁿ                           Endinτ ╞ Field                              |
  900. -----|-----------------------------------------------------------------------|
  901.  ╣   ⁿ                           Control                                     |
  902. ==============================================================================
  903. .aw on
  904. .pm 3
  905.  
  906.  
  907. ááThσ PLA┘ AUDI╧ MS╞ commanΣ (Tablσ 1│-8⌐ request≤ thσ targe⌠ t∩ begiε aε ì
  908. audi∩ playbacδ operation«  Thσ commanΣ functioε (ImmeΣ anΣ SOT├ bits⌐ anΣ thσ ì
  909. outpu⌠ oµ audi∩ signal≤ shal∞ bσ a≤ specifieΣ b∙ thσ setting≤ oµ thσ modσ ì
  910. parameter≤ (seσ 13.3.3.1.).
  911.  
  912. ááThσ startinτ ═ field¼ thσ startinτ ╙ field¼ anΣ thσ startinτ ╞ fielΣ specif∙ ì
  913. thσ absolutσ MS╞ addres≤ a⌠ whicΦ thσ audi∩ pla∙ operatioε shal∞ begin«  Thσ ì
  914. endinτ ═ field¼ thσ endinτ ╙ field¼ anΣ thσ endinτ ╞ fielΣ specif∙ thσ ì
  915. absolutσ MS╞ addres≤ a⌠ whicΦ thσ audi∩ pla∙ operatioε shal∞ end«  Al∞ ì
  916. contiguou≤ audi∩ sector≤ betweeε thσ startinτ anΣ thσ endinτ MS╞ addres≤ shal∞ ì
  917. bσ played.
  918.  
  919. áá┴ startinτ MS╞ addres≤ equa∞ t∩ aε endinτ MS╞ addres≤ cause≤ n∩ audi∩ pla∙ ì
  920. operatioε t∩ occur«  Thi≤ shal∞ no⌠ bσ considereΣ aε error«  Iµ thσ startinτ ì
  921. MS╞ addres≤ i≤ les≤ thaε thσ endinτ MS╞ address¼ thσ commanΣ shal∞ bσ ì
  922. terminateΣ witΦ CHEC╦ CONDITIO╬ status«  Thσ sensσ ke∙ shal∞ bσ se⌠ t∩ ILLEGA╠ ì
  923. REQUEST.
  924.  
  925. ááIµ thσ startinτ addres≤ i≤ no⌠ found¼ o≥ iµ thσ addres≤ i≤ no⌠ withiε aε ì
  926. audi∩ track¼ o≥ iµ ß no⌠ read∙ conditioε exists¼ thσ commanΣ shal∞ bσ ì
  927. terminateΣ witΦ CHEC╦ CONDITIO╬ status«  Seσ 13.1.╖ fo≥ ß descriptioε oµ erro≥ ì
  928. reportinτ information.
  929.  
  930. .cp 35è.aw off
  931. .pm 0
  932. 13.2.5. PLA┘ AUDI╧ TRAC╦ INDEX Command
  933.  
  934.                    Table 13-9: PLA┘ AUDI╧ TRAC╦ INDE╪ Command
  935.  
  936. ==============================================================================
  937.   Bitⁿ   ╖    ⁿ   ╢    ⁿ   ╡    ⁿ   ┤    ⁿ   │    ⁿ   ▓    ⁿ   ▒    ⁿ   ░    |
  938. Bytσ ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        |
  939. ==============================================================================
  940.  ░   ⁿ                           Operatioε Codσ (48h⌐                        |
  941. -----|-----------------------------------------------------------------------|
  942.  ▒   ⁿ Logica∞ Uni⌠ Numbe≥      ⁿ                  ReserveΣ                  |
  943. -----|-----------------------------------------------------------------------|
  944.  2   ⁿ                           ReserveΣ                                    |
  945. -----|-----------------------------------------------------------------------|
  946.  3   ⁿ                           ReserveΣ                                    |
  947. -----|-----------------------------------------------------------------------|
  948.  4   ⁿ                           Startinτ Tracδ                              |
  949. -----|-----------------------------------------¡-----------------------------|
  950.  5   ⁿ                           Startinτ Index                              |
  951. -----|-----------------------------------------------------------------------|
  952.  6   ⁿ                           ReserveΣ                                    |
  953. -----|-----------------------------------------------------------------------|
  954.  7   ⁿ                           Ending Tracδ                                |
  955. -----|-----------------------------------------¡-----------------------------|
  956.  8   ⁿ                           Ending Index                                |
  957. -----|-----------------------------------------------------------------------|
  958.  ╣   ⁿ                           Control                                     |
  959. ==============================================================================
  960. .aw on
  961. .pm 3
  962.  
  963.  
  964. ááThσ PLA┘ AUDI╧ TRAC╦ INDE╪ commanΣ (Tablσ 1│-9⌐ request≤ thσ targe⌠ t∩ begiε ì
  965. aε audi∩ pla∙ operation« Thσ commanΣ functioε (ImmeΣ anΣ SOT├ bits⌐ anΣ thσ ì
  966. outpu⌠ oµ audi∩ signal≤ shal∞ bσ a≤ specifieΣ b∙ thσ setting≤ oµ thσ modσ ì
  967. parameter≤ (seσ 13.3.3.1.).
  968.  
  969. ááThσ startinτ tracδ fielΣ specifie≤ thσ tracδ numbe≥ oµ thσ startinτ audi∩ ì
  970. track«  Thσ startinτ inde° fielΣ specifie≤ thσ inde° numbe≥ withiε thσ tracδ ì
  971. a⌠ whicΦ thσ audi∩ pla∙ operatioε shal∞ begin«  
  972.  
  973. ááThσ endinτ tracδ fielΣ specifie≤ thσ tracδ numbe≥ oµ thσ endinτ audi∩ track«  ì
  974. Thσ endinτ inde° fielΣ specifie≤ thσ inde° numbe≥ withiε thσ tracδ afte≥ whicΦ ì
  975. thσ audi∩ pla∙ operatioε shal∞ stop«  Thσ audi∩ pla∙ operatioε shal∞ terminatσ ì
  976. a⌠ thσ las⌠ blocδ witΦ aε inde° numbe≥ equa∞ t∩ thσ endinτ index« Al∞ ì
  977. contiguou≤ audi∩ sector≤ betweeε thσ startinτ anΣ thσ endinτ addres≤ shal∞ bσ ì
  978. played.
  979.  
  980. ááIµ thσ startinτ addres≤ i≤ les≤ thaε thσ endinτ address¼ thσ commanΣ shal∞ ì
  981. bσ terminateΣ witΦ CHEC╦ CONDITIO╬ status«  Thσ sensσ ke∙ shal∞ bσ se⌠ t∩ ì
  982. ILLEGA╠ REQUEST.
  983.  
  984. .cp 4
  985. ááIµ thσ startinτ addres≤ i≤ no⌠ found¼ o≥ iµ thσ addres≤ i≤ no⌠ withiε aε ì
  986. audi∩ track¼ o≥ iµ ß no⌠ read∙ conditioε exists¼ thσ commanΣ shal∞ bσ ì
  987. terminateΣ witΦ CHEC╦ CONDITIO╬ status«  Seσ 13.1.╖ fo≥ ß descriptioε oµ erro≥ ì
  988. reportinτ information.
  989. è.lm 3
  990. ááIMPLEMENTOR╙ NOTE║  ValiΣ value≤ fo≥ thσ tracδ anΣ inde° field≤ arσ ▒ t∩ 99« ì
  991. áá┴ startinτ inde° valuσ oµ onσ specifie≤ tha⌠ playbacδ i≤ t∩ star⌠ witΦ thσ ì
  992. ááfirs⌠ audi∩ secto≥ oµ thσ tracδ followinτ thσ (optional⌐ pause«  ┴ las⌠ ì
  993. ááinde° valuσ oµ 9╣ specifie≤ tha⌠ playbacδ continue≤ througΦ thσ las⌠ secto≥ ì
  994. ááoµ thσ track« 
  995. .lm 1
  996.  
  997. ááIµ thσ endinτ tracδ i≤ greate≥ thaε thσ las⌠ informatioε tracδ oε thσ media¼ ì
  998. thσ playbacδ shal∞ continuσ unti∞ thσ las⌠ tracδ i≤ complete«  Iµ thσ endinτ ì
  999. inde° i≤ greate≥ thaε thσ larges⌠ inde° valuσ oε thσ endinτ track¼ thσ ì
  1000. playbacδ shal∞ continuσ unti∞ thi≤ tracδ i≤ completσ theε terminate«  Thesσ ì
  1001. condition≤ shal∞ no⌠ bσ considereΣ errors.
  1002.  
  1003. ááIµ thσ startinτ inde° i≤ greate≥ thaε thσ larges⌠ inde° valuσ oε thσ ì
  1004. startinτ track¼ anΣ thσ sto≡ oε tracδ crossinτ (SOTC⌐ bi⌠ oµ thσ audi∩ contro∞ ì
  1005. MOD┼ SELEC╘ parameter≤ pagσ (seσ 13.3.3.1⌐ i≤ zero¼ thσ playbacδ operatioε ì
  1006. shal∞ star⌠ a⌠ thσ beginninτ oµ thσ nex⌠ track«  Thi≤ situatioε i≤ no⌠ aε ì
  1007. error.
  1008.  
  1009. ááIµ thσ startinτ inde° i≤ greate≥ thaε thσ larges⌠ inde° valuσ oε thσ ì
  1010. startinτ track¼ anΣ thσ sto≡ oε tracδ crossinτ (SOTC⌐ bi⌠ oµ thσ audi∩ contro∞ ì
  1011. MOD┼ SELEC╘ parameter≤ pagσ (seσ 13.3.3.1⌐ i≤ one¼ thσ playbacδ shal∞ no⌠ ì
  1012. begin« Thσ targe⌠ shal∞ returε CHEC╦ CONDITION¼ anΣ thσ sensσ ke∙ shal∞ bσ se⌠ ì
  1013. t∩ ILLEGA╠ REQUEST.
  1014.  
  1015. .lm3
  1016. ááIMPLEMENTOR╙ NOTE║ Thσ operatioε oµ thσ SOT├ bi⌠ describeΣ abovσ come≤ abou⌠ ì
  1017. áábecausσ thσ use≥ ma∙ no⌠ bσ ablσ t∩ determinσ thσ larges⌠ inde° valuσ oε ß ì
  1018. áátrack¼ eithe≥ froφ thσ tablσ oµ content≤ o≥ b∙ othe≥ means« Thσ SOT├ bi⌠ onσ ì
  1019. áácasσ allow≤ thσ use≥ t∩ determinσ thσ larges⌠ index« Thσ SOT├ bi⌠ zer∩ casσ ì
  1020. ááallow≤ thσ use≥ t∩ se⌠ u≡ pla∙ operation≤ withou⌠ completσ knowledgσ oµ thσ ì
  1021. áámediß layout« 
  1022. .lm 1
  1023.  
  1024. .cp 35è.pm 0
  1025. .aw off
  1026. 13.2.6. PLA┘ AUDI╧ TRAC╦ RELATIV┼(10) Command
  1027.  
  1028.                   Table 13-10: PLA┘ AUDI╧ TRAC╦ RELATIV┼(10) Command
  1029.  
  1030. ==============================================================================
  1031.   Bitⁿ   ╖    ⁿ   ╢    ⁿ   ╡    ⁿ   ┤    ⁿ   │    ⁿ   ▓    ⁿ   ▒    ⁿ   ░    |
  1032. Bytσ ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        |
  1033. ==============================================================================
  1034.  ░   ⁿ                           Operatioε Codσ (49h⌐                        |
  1035. -----|-----------------------------------------------------------------------|
  1036.  ▒   ⁿ Logica∞ Uni⌠ Numbe≥      ⁿ                  ReserveΣ                  |
  1037. -----|-----------------------------------------------------------------------|
  1038.  2   ⁿ (MSB)                                                                 |
  1039. -----|--¡                                                                 ---|
  1040.  3   ⁿ                                                                       |
  1041. -----|--¡              Tracδ Relativσ Logica∞ Blocδ Address               ---|
  1042.  4   ⁿ                                                                       |
  1043. -----|--¡                                                                 ---|
  1044.  5   ⁿ                                                                  (LSB)|
  1045. -----|-----------------------------------------------------------------------|
  1046.  6   ⁿ                           Startinτ Tracδ                              |
  1047. -----|-----------------------------------------------------------------------|
  1048.  7   ⁿ (MSB)                                                                 |
  1049. -----|--¡                        Transfe≥ LengtΦ                          ---|
  1050.  8   ⁿ                                                                 (LSB⌐ |
  1051. -----|-----------------------------------------------------------------------|
  1052.  ╣   ⁿ                           Control                                     |
  1053. ==============================================================================
  1054. .aw on
  1055. .pm 3
  1056.  
  1057.  
  1058. ááThσ PLA┘ AUDI╧ TRAC╦ RELATIV┼ commanΣ (Tablσ 1│-10⌐ request≤ tha⌠ thσ devicσ ì
  1059. begiε aε audi∩ playbacδ operation«  Thσ startinτ addres≤ i≤ specifieΣ a≤ ß ì
  1060. tracδ relativσ logica∞ blocδ addres≤ withiε thσ specifieΣ startinτ track« Thσ ì
  1061. commanΣ functioε (ImmeΣ anΣ SOT├ bits⌐ anΣ thσ outpu⌠ oµ audi∩ signal≤ shal∞ ì
  1062. bσ a≤ specifieΣ b∙ thσ setting≤ oµ thσ modσ parameter≤ (seσ 13.3.3.1.).
  1063.  
  1064. ááThσ startinτ tracδ fielΣ specifie≤ thσ tracδ numbe≥ oµ thσ startinτ audi∩ ì
  1065. track«  
  1066.  
  1067. ááThσ tracδ relativσ logica∞ blocδ addres≤ (TRLBA⌐ fielΣ specifie≤ thσ two'≤ ì
  1068. complemen⌠ startinτ logica∞ blocδ addres≤ relativσ t∩ thσ beginninτ oµ thσ ì
  1069. firs⌠ secto≥ oε thσ tracδ witΦ aε inde° valuσ oµ one« Negativσ value≤ indicatσ ì
  1070. ß startinτ locatioε withiε thσ audi∩ pausσ areß a⌠ thσ beginninτ oµ thσ ì
  1071. requesteΣ track.
  1072.  
  1073. ááThσ transfe≥ lengtΦ fielΣ specifie≤ thσ numbe≥ oµ contiguou≤ logica∞ block≤ ì
  1074. tha⌠ shal∞ bσ outpu⌠ a≤ audi∩ data«  ┴ transfe≥ lengtΦ fielΣ oµ zer∩ indicate≤ ì
  1075. tha⌠ n∩ audi∩ playbacδ operatioε shal∞ occur«  Thi≤ conditioε shal∞ no⌠ bσ ì
  1076. considereΣ a≤ aε error«  An∙ othe≥ valuσ indicate≤ thσ numbe≥ oµ logica∞ ì
  1077. block≤ tha⌠ shal∞ bσ output.
  1078.  
  1079. .cp 7èááIµ thσ logica∞ blocδ lengtΦ i≤ no⌠ equa∞ t∩ thσ secto≥ sizσ thσ targe⌠ ma∙ ì
  1080. adjus⌠ thσ startinτ logica∞ blocδ addres≤ anΣ thσ transfe≥ length« Iε sucΦ ì
  1081. case¼ i⌠ i≤ recommendeΣ tha⌠ thσ targe⌠ star⌠ thσ audi∩ pla∙ operatioε witΦ ì
  1082. thσ beginninτ oµ ß secto≥ wheneve≥ thσ startinτ logica∞ addres≤ fall≤ withiε ì
  1083. tha⌠ secto≥ (MS╞ unit)« Iµ thσ requesteΣ transfe≥ lengtΦ cause≤ thσ enΣ oµ aε ì
  1084. audi∩ pla∙ operatioε t∩ fal∞ withiε ß secto≥ thσ targe⌠ ma∙ continuσ thσ pla∙ ì
  1085. operatioε througΦ thσ enΣ oµ tha⌠ sector.
  1086.  
  1087. ááIµ thσ startinτ addres≤ i≤ no⌠ found¼ o≥ iµ thσ addres≤ i≤ no⌠ withiε aε ì
  1088. audi∩ track¼ o≥ iµ ß no⌠ read∙ conditioε exists¼ thσ commanΣ i≤ terminateΣ ì
  1089. witΦ CHEC╦ CONDITIO╬ status«  Seσ 13.1.╖ fo≥ ß descriptioε oµ erro≥ reportinτ ì
  1090. information.
  1091.  
  1092. .cp 35
  1093. .pm 0
  1094. .aw on
  1095. 13.2.7. PLA┘ AUDI╧ TRAC╦ RELATIVE(12⌐ Command
  1096.  
  1097.                   Table 13-11: PLA┘ AUDI╧ TRAC╦ RELATIVE(12⌐ Command
  1098.  
  1099. ==============================================================================
  1100.   Bitⁿ   ╖    ⁿ   ╢    ⁿ   ╡    ⁿ   ┤    ⁿ   │    ⁿ   ▓    ⁿ   ▒    ⁿ   ░    |
  1101. Bytσ ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        |
  1102. ==============================================================================
  1103.  ░   ⁿ                           Operatioε Codσ (A9h⌐                        |
  1104. ¡¡¡¡-ⁿ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡-|
  1105.  ▒   ⁿ Logica∞ Uni⌠ Numbe≥      ⁿ                  ReserveΣ                  |
  1106. ¡¡¡¡-ⁿ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡-|
  1107.  ▓   ⁿ (MSB⌐                                                                 |
  1108. ¡¡¡¡-ⁿ¡¡¡                                                                 ¡¡-|
  1109.  │   ⁿ                                                                       |
  1110. ¡¡¡¡-ⁿ¡¡¡              Tracδ Relativσ Logica∞ Blocδ Addres≤               ¡¡-|
  1111.  ┤   ⁿ                                                                       |
  1112. ¡¡¡¡-ⁿ¡¡¡                                                                 ¡¡-|
  1113.  ╡   ⁿ                                                                  (LSB)|
  1114. ¡¡¡¡-ⁿ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡-|
  1115.  ╢   ⁿ (MSB⌐                                                                 |
  1116. ¡¡¡¡-ⁿ¡¡¡                                                                 ¡¡-|
  1117.  ╖   ⁿ                                                                       |
  1118. ¡¡¡¡-ⁿ¡¡¡                        Transfe≥ LengtΦ                          ¡¡-|
  1119.  ╕   ⁿ                                                                       |
  1120. ¡¡¡¡-ⁿ¡¡¡                                                                 ¡¡-|
  1121.  ╣   ⁿ                                                                 (LSB⌐ |
  1122. ¡¡¡¡-ⁿ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡-|
  1123.  1░  ⁿ                           Startinτ Tracδ                              |
  1124. ¡¡¡¡-ⁿ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡-|
  1125.  1▒  ⁿ                           Contro∞                                     |
  1126. ==============================================================================
  1127. .aw on
  1128. .pm 3
  1129.  
  1130.  
  1131. ááThσ PLA┘ AUDI╧ TRAC╦ RELATIVE(12⌐ commanΣ (Tablσ 1│-11⌐ request≤ tha⌠ thσ ì
  1132. devicσ begiε aε audi∩ playbacδ operation« Thσ commanΣ functioε (ImmeΣ anΣ SOT├ ì
  1133. bits⌐ anΣ thσ outpu⌠ oµ audi∩ signal≤ shal∞ bσ a≤ specifieΣ b∙ thσ setting≤ oµ ì
  1134. thσ modσ parameter≤ (seσ 13.3.3.1.)« Seσ thσ PLA┘ AUDI╧ TRAC╦ RELATIVE(10⌐ ì
  1135. commanΣ fo≥ ß descriptioε oµ thσ field≤ iε thi≤ command.
  1136.  
  1137. .cp 35è.aw off
  1138. .pm 0
  1139. 13.2.8. READ CD-RO═ CAPACITY Command
  1140.  
  1141.                      Table 13-12: READ CD-RO═ CAPACITY Command
  1142.  
  1143. ==============================================================================
  1144.   Bit|   7    |   6    |   5    |   4    |   3    |   2    |   1    |   0    |
  1145. Byte |        |        |        |        |        |        |        |        |
  1146. ==============================================================================
  1147.  0   |                           Operation Code (25h)                        |
  1148. -----|-----------------------------------------------------------------------|
  1149.  1   | Logical Unit Number      |             Reserved              | RelAdr |
  1150. -----|-----------------------------------------------------------------------|
  1151.  2   | (MSB)                                                                 |
  1152. - - -|- -                                                                 - -|
  1153.  3   |                                                                       |
  1154. - - -|- -                        Logical Block Address                    - -|
  1155.  4   |                                                                       |
  1156. - - -|- -                                                                 - -|
  1157.  5   |                                                                 (LSB) |
  1158. -----|-----------------------------------------------------------------------|
  1159.  6   |                           Reserved                                    |
  1160. -----|-----------------------------------------------------------------------|
  1161.  7   |                           Reserved                                    |
  1162. -----|-----------------------------------------------------------------------|
  1163.  8   |                           ReserveΣ                           |  PMI   |
  1164. -----|-----------------------------------------------------------------------|
  1165.  9   |                           Control                                     |
  1166. ==============================================================================
  1167. .aw on
  1168. .pm 3
  1169.  
  1170.  
  1171. ááThσ REA─ C─-RO═ CAPACIT┘ commanΣ (Tablσ 1│-12⌐ provide≤ ß mean≤ fo≥ thσ ì
  1172. initiato≥ t∩ reques⌠ informatioε regardinτ thσ capacit∙ oµ thσ logica∞ unit.
  1173.  
  1174. .lm 3
  1175. ááIMPLEMENTOR╙ NOTE║  Thi≤ commanΣ ha≤ thσ samσ operatioε codσ (25h⌐ a≤ thσ ì
  1176. ááREA─ CAPACIT┘ commanΣ (seσ 8.2.7)«  Thσ genera∞ functioε i≤ thσ samσ bu⌠ thσ ì
  1177. ááexac⌠ definition≤ oµ thσ returneΣ logica∞ blocδ addres≤ i≤ modifieΣ t∩ allo≈ ì
  1178. ááreturninτ ß possibl∙ inexac⌠ valuσ (bu⌠ onσ witΦ ß knowε erro≥ bound⌐ baseΣ ì
  1179. ááoε C─-RO═ tablσ oµ content≤ data«  Fo≥ man∙ C─-RO═ devices¼ thi≤ ì
  1180. ááimplementatioε allow≤ ß quicke≥ response.
  1181. .lφ 1
  1182.  
  1183. áá┴ partia∞ mediuφ indicato≥ (PMI⌐ bi⌠ oµ zer∩ indicate≤ tha⌠ thσ informatioε ì
  1184. returneΣ iε thσ REA─ C─-RO═ CAPACIT┘ datß shal∞ bσ thσ logica∞ blocδ addres≤ ì
  1185. anΣ blocδ lengtΦ (iε bytes⌐ oµ thσ las⌠ valiΣ logica∞ blocδ oµ thσ logica∞ ì
  1186. uni⌠ fo≥ seeδ operations« Thσ logica∞ blocδ addres≤ returneΣ shal∞ bσ greate≥ ì
  1187. thaε o≥ equa∞ t∩ thσ las⌠ readablσ o≥ playablσ block« Iµ greater¼ thi≤ addres≤ ì
  1188. ma∙ bσ iε ß transitioε areß beyonΣ thσ las⌠ valiΣ logica∞ blocδ fo≥ reaΣ o≥ ì
  1189. audi∩ pla∙ operations« Thσ valuσ returneΣ shal∞ no⌠ bσ no⌠ bσ morσ thaε 7╡ ì
  1190. sector≤ (MS╞ units⌐ greate≥ thaε thσ logica∞ blocδ addres≤ oµ thσ las⌠ ì
  1191. readablσ o≥ playablσ block« (Thi≤ valuσ arise≤ becausσ thσ C─-RO═ Tablσ oµ ì
  1192. Content≤ leaΣ-ou⌠ tracδ locatioε  ha≤ ß +»¡ 7╡ secto≥ tolerancσ wheε thσ leaΣ-ì
  1193. ou⌠ tracδ i≤ encodeΣ a≤ aε audi∩ track.⌐ Thσ logica∞ blocδ addres≤ iε thσ ì
  1194. commanΣ descripto≥ blocδ shal∞ bσ se⌠ t∩ zer∩ fo≥ thi≤ option.
  1195.  
  1196. .cp 6èáá┴ PM╔ bi⌠ oµ onσ indicate≤ tha⌠ thσ informatioε returneΣ shal∞ bσ thσ ì
  1197. logica∞ blocδ addres≤ anΣ blocδ lengtΦ (iε bytes⌐ oµ thσ las⌠ logica∞ blocδ ì
  1198. addres≤ afte≥ whicΦ ß substantia∞ dela∙ iε datß transfe≥ wil∞ bσ encountered« ì
  1199. Thi≤ logica∞ blocδ addres≤ shal∞ bσ greate≥ thaε o≥ equa∞ t∩ thσ logica∞ blocδ ì
  1200. addres≤ specifieΣ iε thσ commanΣ descripto≥ block«  Oε C─-RO═ media¼ thi≤ i≤ ì
  1201. interpreteΣ t∩ bσ thσ las⌠ readablσ o≥ playablσ logica∞ blocδ oµ thσ ì
  1202. informatioε areß containinτ o≥ immediatel∙ followinτ thσ specifieΣ logica∞ ì
  1203. blocδ address«  
  1204.  
  1205. .lm 3
  1206. ááIMPLEMENTOR╙ NOTE║ Thi≤ optioε ma∙ takσ severa∞ second≤ t∩ completσ oε C─-ì
  1207. ááRO═ media.
  1208. .lm 1
  1209.  
  1210. ááSeσ 8.1.1░ fo≥ ß descriptioε oµ thσ relativσ addres≤ bi⌠ (RelAdr).
  1211.  
  1212. ááEigh⌠ byte≤ oµ REA─ C─-RO═ CAPACIT┘ datß (Tablσ 1│-13⌐ shal∞ bσ sen⌠ durinτ ì
  1213. thσ DAT┴ I╬ phasσ oµ thσ command.
  1214.  
  1215. .cp 16
  1216. .pm 0
  1217. .aw off
  1218.                       Table 13-13: REA─ CAPACIT┘ Datß Format
  1219.  
  1220. ==============================================================================
  1221. Byte |                        Description                                    |
  1222. ==============================================================================
  1223.  0   | (MSB)                                                                 |
  1224. - - -|- -                        Logical Block Address                    - -|
  1225.  3   |                                                                 (LSB) |
  1226. -----|-----------------------------------------------------------------------|
  1227.  4   | (MSB)                                                                 |
  1228. - - -|- -                        Block Length                             - -|
  1229.  7   |                                                                 (LSB) |
  1230. ==============================================================================
  1231. .aw on
  1232. .pm 3
  1233.  
  1234. .cp 35è.aw off
  1235. .pm 0
  1236. 13.2.9. REA─ HEADE╥ Command
  1237.  
  1238.                              Table 13-14: REA─ HEADE╥ Command
  1239.  
  1240. ==============================================================================
  1241.   Bitⁿ   ╖    ⁿ   ╢    ⁿ   ╡    ⁿ   ┤    ⁿ   │    ⁿ   ▓    ⁿ   ▒    ⁿ   ░    |
  1242. Bytσ ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        |
  1243. ==============================================================================
  1244.  ░   ⁿ                           Operatioε Codσ (44h⌐                        |
  1245. -----|-----------------------------------------------------------------------|
  1246.  ▒   ⁿ Logica∞ Uni⌠ Numbe≥      ⁿ         ReserveΣ         ⁿ  MSF   |Reserved|
  1247. -----|-----------------------------------------------------------------------|
  1248.  ▓   ⁿ (MSB⌐                                                                 |
  1249. -----|---                                                                 ---|
  1250.  │   ⁿ                                                                       |
  1251. -----|---                        Logica∞ Blocδ Addres≤                    ---|
  1252.  ┤   ⁿ                                                                       |
  1253. -----|---                                                                 ---|
  1254.  ╡   ⁿ                                                                 (LSB⌐ |
  1255. -----|-----------------------------------------------------------------------|
  1256.  ╢   ⁿ                           ReserveΣ                                    |
  1257. -----|-----------------------------------------------------------------------|
  1258.  ╖   ⁿ (MSB)                                                                 |
  1259. -----|--¡                        Allocatioε LengtΦ                        ---|
  1260.  ╕   ⁿ                                                                 (LSB) |
  1261. -----|-----------------------------------------------------------------------|
  1262.  ╣   ⁿ                           Control                                     |
  1263. ==============================================================================
  1264. .aw on
  1265. .pm 3
  1266.  
  1267.  
  1268. ááThσ REA─ HEADE╥ commanΣ (Tablσ 1│-14⌐ request≤ tha⌠ thσ devicσ returε thσ ì
  1269. C─-RO═ datß blocδ addres≤ heade≥ (Tablσ 1│-15⌐ oµ thσ requesteΣ logica∞ block« 
  1270.  
  1271. ááSeσ 13.1.5« fo≥ ß descriptioε oµ thσ MS╞ bit.
  1272.  
  1273. ááThσ logica∞ blocδ addres≤ fielΣ specifie≤ thσ logica∞ blocδ a⌠ whicΦ thσ ì
  1274. reaΣ heade≥ operatioε shal∞ begin.
  1275.  
  1276. ááSeσ thσ REA─ commanΣ fo≥ exceptioε handling«  Iµ thσ logica∞ blocδ sizσ i≤ ì
  1277. othe≥ thaε thσ physica∞ blocδ size¼ i⌠ shal∞ bσ mappeΣ int∩ thσ appropriatσ ì
  1278. physica∞ blocδ froφ whicΦ thσ datß woulΣ havσ beeε read« 
  1279.  
  1280. .cp 25è.aw off
  1281. .pm 0
  1282.                        Table 13-15: REA─ HEADER Datß Format
  1283.  
  1284. ==============================================================================
  1285.   Bitⁿ   ╖    ⁿ   ╢    ⁿ   ╡    ⁿ   ┤    ⁿ   │    ⁿ   ▓    ⁿ   ▒    ⁿ   ░    |
  1286. Bytσ ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        |
  1287. ==============================================================================
  1288.  0   ⁿ                       CD-ROM Data Mode                                |
  1289. -----|-----------------------------------------------------------------------|
  1290.  ▒   ⁿ                          Reserved                                     |
  1291. -----|-----------------------------------------------------------------------|
  1292.  2   ⁿ                          Reserved                                     |
  1293. -----|-----------------------------------------------------------------------|
  1294.  3   ⁿ                          Reserved                                     |
  1295. -----|-----------------------------------------------------------------------|
  1296.  4   ⁿ (MSB)                                                                 |
  1297. ¡ ¡ -|¡ ¡ ¡ ¡                Absolutσ C─-ROM Addres≤                  ¡ ¡ ¡ -|
  1298.  7   ⁿ                                                                 (LSB) |
  1299. ==============================================================================
  1300. .aw on
  1301. .pm 3
  1302.  
  1303.  
  1304. ááThσ C─-RO═ datß modσ fielΣ specifie≤ thσ C─-RO═ Datß Modσ oµ thσ logica∞ ì
  1305. block≤ iε thi≤ secto≥ oµ data«  Thσ value≤ iε thi≤ fielΣ arσ defineΣ iε Tablσ ì
  1306. 1│-16.
  1307.  
  1308. .cp 12
  1309. .aw off
  1310. .pm 0
  1311.                         Table 13-16: CD-ROM Data Modσ Codes
  1312.  
  1313. ==============================================================================
  1314. CD-ROM          Use≥ Datß FielΣ Contents   Auxiliar∙ FielΣ Contents
  1315.  Mode            (204╕ bytes⌐               (28╕ bytes)
  1316. ------------------------------------------------------------------------------
  1317.  00h             Al∞ byte≤ zer∩             Al∞ byte≤ zero
  1318.  01h             Use≥ Datß                  L-EC symbol≤ 
  1319.  02h             Use≥ Datß                  Use≥ Data
  1320. 03Φ ¡ FFh        Reserved                   Reserved
  1321. ==============================================================================
  1322. .aw on
  1323. .pm 3
  1324.  
  1325.  
  1326. ááIµ thσ MS╞ bi⌠ i≤ zero¼ thσ absolutσ addres≤ fielΣ give≤ thσ logica∞ blocδ ì
  1327. addres≤ oµ thσ firs⌠ logica∞ blocδ iε thσ physica∞ secto≥ wherσ thσ datß fo≥ ì
  1328. thσ requesteΣ logica∞ blocδ addres≤ i≤ found«  Iµ thσ MS╞ bi⌠ i≤ one¼ thσ ì
  1329. absolutσ addres≤ fielΣ give≤ thσ MS╞ addres≤ oµ thσ secto≥ wherσ thσ datß fo≥ ì
  1330. thσ requesteΣ logica∞ blocδ addres≤ i≤ found« (Seσ 13.1.5.⌐ 
  1331.  
  1332. .cp 35è.aw off
  1333. .pm 0
  1334. 13.2.10. REA─ SUB-CHANNEL Command
  1335.  
  1336.                        Table 13-17: REA─ SUB-CHANNE╠ Command
  1337.  
  1338. ==============================================================================
  1339.   Bitⁿ   ╖    ⁿ   ╢    ⁿ   ╡    ⁿ   ┤    ⁿ   │    ⁿ   ▓    ⁿ   ▒    ⁿ   ░    |
  1340. Bytσ ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        |
  1341. ==============================================================================
  1342.  ░   ⁿ                          Operatioε Codσ (42h⌐                         |
  1343. -----|-----------------------------------------------------------------------|
  1344.  ▒   ⁿ Logica∞ Uni⌠ Numbe≥      ⁿ         ReserveΣ         ⁿ  MSF   |Reserved|
  1345. -----|-----------------------------------------------------------------------|
  1346.  ▓   ⁿReserved|  SuΓQ  |                       ReserveΣ                      |
  1347. -----|-----------------------------------------------------------------------|
  1348.  │   ⁿ                        SuΓ-channel Datß Format                        |
  1349. -----|-----------------------------------------------------------------------|
  1350.  ┤   ⁿ                               ReserveΣ                                |
  1351. -----|-----------------------------------------------------------------------|
  1352.  ╡   ⁿ                               ReserveΣ                                |
  1353. -----|-----------------------------------------------------------------------|
  1354.  ╢   ⁿ                             Tracδ Number                              |
  1355. -----|-----------------------------------------------------------------------|
  1356.  ╖   ⁿ (MSB)                                                                 |
  1357. -----|--¡                       Allocatioε LengtΦ                         ---|
  1358.  ╕   ⁿ                                                                 (LSB) |
  1359. -----|-----------------------------------------------------------------------|
  1360.  ╣   ⁿ                               Control                                 |
  1361. ==============================================================================
  1362. .aw on
  1363. .pm 3
  1364.  
  1365.  
  1366. ááThσ REA─ SU┬-CHANNE╠ commanΣ (Tablσ 1│-17⌐ request≤ tha⌠ thσ targe⌠ returε ì
  1367. thσ requesteΣ suΓ-channe∞ datß plu≤ thσ statσ oµ audi∩ pla∙ operations.
  1368.  
  1369. .lm 3
  1370. ááIMPLEMENTOR╙ NOTE║  SuΓ-channe∞ datß returneΣ b∙ thi≤ commanΣ ma∙ bσ froφ ì
  1371. ááthσ las⌠ appropriatσ secto≥ encountereΣ b∙ ß curren⌠ o≥ previou≤ mediß ì
  1372. ááaccessinτ operation« Wheε therσ i≤ n∩ curren⌠ audi∩ pla∙ operation¼ thσ ì
  1373. áátarge⌠ ma∙ acces≤ thσ mediß t∩ reaΣ thσ suΓ-channe∞ data« Thσ targe⌠ i≤ ì
  1374. ááresponsiblσ tha⌠ thσ datß returneΣ arσ curren⌠ anΣ consistent«  Fo≥ examplσ ì
  1375. ááwitΦ suΓ-channe∞ datß forma⌠ 0¼ thσ Internationa∞ StandarΣ Recordinτ Codσ ì
  1376. áá(ISRC⌐ datß reporteΣ mus⌠ havσ beeε reaΣ froφ thσ samσ tracδ a≤ thσ reporteΣ ì
  1377. áácurren⌠ positioε data.
  1378. .lφ 1
  1379.  
  1380. ááSeσ 13.1.5« fo≥ ß descriptioε oµ thσ MS╞ bit.
  1381.  
  1382. ááThσ SuΓ ╤ bi⌠ se⌠ t∩ onσ request≤ thσ targe⌠ returε thσ ╤ suΓ-channe∞ data« ì
  1383. Thσ SuΓ ╤ bi⌠ se⌠ t∩ zer∩ request≤ tha⌠ n∩ suΓ-channe∞ datß bσ returned« Thi≤ ì
  1384. shal∞ no⌠ bσ considereΣ aε error.
  1385.  
  1386. .lm 3
  1387. ááNOTE║  Thσ othe≥ bit≤ iε thi≤ bytσ arσ reserveΣ fo≥ futurσ standardizatioε ì
  1388. ááwheε the∙ ma∙ bσ defineΣ t∩ reques⌠ othe≥ suΓ-channe∞ data.
  1389. .lm 1
  1390.  
  1391. ááThσ SuΓ-channe∞ Datß Forma⌠ fielΣ specifie≤ thσ returneΣ SuΓ Channe∞ Data« ì
  1392. Iµ thi≤ fielΣ i≤ 00h¼ SuΓ-╤ Channe∞ datß i≤ returned« Iµ thi≤ fielΣ i≤ 01h¼ ì
  1393. 02Φ o≥ 03h¼ thσ requesteΣ SuΓ-╤ datß iteφ i≤ returned.
  1394. è.pm 0
  1395. .cp 18
  1396. .aw off
  1397.                     Table 13-18: Subchannel Datß Forma⌠ Codes
  1398.  
  1399. ==============================================================================
  1400.  Forma⌠ Code    |   Returned data                                            |
  1401. ----------------|------------------------------------------------------------|
  1402.  00Φ            ⁿ   Sub-╤ Channe∞ datß                                       |  
  1403. ----------------|------------------------------------------------------------|
  1404.  01Φ            ⁿ   CD-RO═ Curren⌠ Position                                  | 
  1405. ----------------|------------------------------------------------------------|
  1406.  02Φ            ⁿ   Mediß Cataloτ Numbe≥ (UPC/Ba≥ Code⌐                      |    
  1407. ----------------|------------------------------------------------------------|
  1408.  03Φ            ⁿ   Tracδ International-Standard-Recording-Codσ (ISRC⌐       | 
  1409. ----------------|------------------------------------------------------------|
  1410.  04Φ ¡ EFh      ⁿ   ReserveΣ                                                 |
  1411. ----------------|------------------------------------------------------------|
  1412.  F0h ¡ FFh      ⁿ   Vendo≥ Specifiπ                                          |
  1413. ==============================================================================
  1414. .aw on
  1415. .lm 1
  1416. .pm 3
  1417.  
  1418.  
  1419. ááThσ Tracδ Numbe≥ fielΣ specifie≤ thσ tracδ froφ whicΦ ISR├ datß i≤ read« ì
  1420. Thi≤ fielΣ mus⌠ havσ ß valuσ betweeε 01Φ anΣ 63Φ (99bcd)¼ anΣ i≤ valiΣ onl∙ ì
  1421. wheε thσ SuΓ-channe∞ Datß Forma⌠ fielΣ i≤ 03h«  Iε thi≤ case¼ thσ targe⌠ ì
  1422. return≤ ISR├ datß fo≥ thi≤ track.
  1423.  
  1424. ááThσ REA─ SU┬-CHANNE╠ commanΣ datß format≤ (Table≤ 1│-19¼ 1│-23« 1│-24¼ anΣ ì
  1425. 1│-25⌐ consis⌠ oµ ß fou≥-bytσ heade≥ followeΣ b∙ ß suΓ-channe∞ datß block«  ì
  1426. Thσ heade≥ contain≤ thσ audi∩ statu≤ bytσ anΣ thσ suΓ-channe∞ datß lengtΦ ì
  1427. field«  Iµ thσ SU┬-╤ bi⌠ i≤ zero¼ thσ targe⌠ shal∞ no⌠ returε thσ suΓ-channe∞ ì
  1428. datß block¼ iε thi≤ casσ thσ suΓ-channe∞ datß lengtΦ i≤ 0.
  1429.  
  1430. .cp 45 è.aw off
  1431.                        Table 13-19: Sub-Q Channel Datß Format
  1432.  
  1433. ==============================================================================
  1434.   Bitⁿ   ╖    ⁿ   ╢    ⁿ   ╡    ⁿ   ┤    ⁿ   │    ⁿ   ▓    ⁿ   ▒    ⁿ   ░    |
  1435. Bytσ ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        |
  1436. ==============================================================================
  1437.      ⁿ                        SuΓ-channe∞ Datß Heade≥                        |
  1438. ==============================================================================
  1439.  0   ⁿ                                ReserveΣ                               |
  1440. -----|-----------------------------------------------------------------------|
  1441.  1   ⁿ                              Audi∩ Status                             |
  1442. -----|-----------------------------------------------------------------------|
  1443.  ▓   ⁿ (MSB)                                                                 |
  1444. -----|--¡                     SuΓ-channe∞ Datß Length                     ---|
  1445.  3   ⁿ                                                                 (LSB) |
  1446. ==============================================================================
  1447.      ⁿ                        SuΓ-╤ Channe∞ Datß Blocδ                       |
  1448. ==============================================================================
  1449.  4   ⁿ                    SuΓ Channe∞ Data Forma⌠ codσ (00h)                 |
  1450. -----|-----------------------------------------------------------------------|
  1451.  5   ⁿ                AD╥                ⁿ             Contro∞               |
  1452. -----|-----------------------------------------------------------------------|
  1453.  6   ⁿ                             Tracδ Number                              |
  1454. -----|-----------------------------------------------------------------------|
  1455.  7   ⁿ                             Inde° Numbe≥                              |
  1456. -----|-----------------------------------------------------------------------|
  1457.  8   ⁿ (MSB⌐                                                                 |
  1458. ¡ ¡ -|¡ ¡ ¡ ¡                 Absolutσ CD-RO═ Address                 ¡ ¡ ¡ -|
  1459.  11  ⁿ                                                                 (LSB) |
  1460. -----|-----------------------------------------------------------------------|
  1461.  12  ⁿ (MSB)                                                                 |
  1462. ¡ ¡ -|¡ ¡ ¡ ¡              Tracδ Relativσ CD-RO═ Address              - ¡ ¡ -|
  1463.  15  ⁿ                                                                 (LSB) |
  1464. -----|-----------------------------------------------------------------------|
  1465.  16  ⁿ  M├╓al |                       Reserved                               |
  1466. -----|-----------------------------------------------------------------------|
  1467.  17  | (MSB)                                                                 |
  1468. ¡ ¡ -|¡ ¡ ¡ ¡            Mediß Cataloτ Numbe≥ (UPC/Ba≥ Code⌐          ¡ ¡ ¡ -|
  1469.  31  ⁿ                                                                 (LSB) |
  1470. -----|-----------------------------------------------------------------------|
  1471.  32  ⁿ  T├╓al ⁿ                       Reserved                               |
  1472. -----|-----------------------------------------------------------------------|
  1473.  33  ⁿ (MSB)                                                                 |
  1474. ¡ ¡ -|¡ ¡ ¡ ¡    Tracδ Internationa∞-StandarΣ-Recordinτ-Codσ (ISRC⌐   ¡ ¡ ¡ -|
  1475.  47  |                                                                 (LSB) |
  1476. ==============================================================================
  1477. .aw on
  1478. .pm 3
  1479.  
  1480.  
  1481. .cp 7
  1482. ááThσ audi∩ statu≤ fielΣ indicate≤ thσ statu≤ oµ audi∩ pla∙ operations«  Thσ ì
  1483. audi∩ statu≤ value≤ arσ defineΣ iε Tablσ 1│-20« Audi∩ statu≤ value≤ greate≥ ì
  1484. thaε zer∩ arσ returneΣ onl∙ t∩ thσ initiato≥ tha⌠ requesteΣ thσ las⌠ audi∩ ì
  1485. pla∙ operation« Audi∩ statu≤ value≤ 13Φ anΣ 14Φ returε informatioε oε previou≤ ì
  1486. audi∩ operations╗ the∙ arσ returneΣ onl∙ oncσ afte≥ thσ conditioε ha≤ ì
  1487. occurred«  Iµ anothe≥ audi∩ pla∙ operatioε i≤ no⌠ requested¼ thσ audi∩ statu≤ ì
  1488. returneΣ fo≥ subsequen⌠ REA─ SU┬-CHANNE╠ command≤ i≤ 15h.è
  1489. .cp 15
  1490. .aw off
  1491. .pm 0
  1492.                           Table 13-20: Audi∩ Statu≤ Codes
  1493.  
  1494. ==============================================================================
  1495.  Statu≤       Descriptioε                                                    |
  1496. ----------|------------------------------------------------------------------|
  1497.  00Φ      ⁿ   Audi∩ statu≤ byte no⌠ supported o≥ no⌠ valiΣ                   |
  1498. ----------|------------------------------------------------------------------|
  1499.  11Φ      ⁿ   Audi∩ pla∙ operatioε iε progress«                              |
  1500. ----------|------------------------------------------------------------------|
  1501.  12Φ      ⁿ   Audi∩ pla∙ operatioε paused.                                   |
  1502. ----------|------------------------------------------------------------------|
  1503.  13Φ      ⁿ   Audi∩ pla∙ operatioε successfull∙ completed«                   |
  1504. ----------|------------------------------------------------------------------|
  1505.  14Φ      ⁿ   Audi∩ pla∙ operatioε stoppeΣ duσ t∩ erro≥«                     |
  1506. ----------|------------------------------------------------------------------|
  1507.  15Φ      ⁿ   N∩ curren⌠ audi∩ statu≤ t∩ returε                              |
  1508. ==============================================================================
  1509. .aw on
  1510. .pm 3
  1511.  
  1512.  
  1513. ááThσ SuΓ-Channe∞ datß lengtΦ specifie≤ thσ lengtΦ iε byte≤ oµ thσ followinτ ì
  1514. suΓ-channe∞ datß block«  ┴ suΓ-channe∞ datß lengtΦ oµ zer∩ indicate≤ tha⌠ n∩ ì
  1515. suΓ-channe∞ datß blocδ i≤ includeΣ iε thσ returneΣ data« 
  1516.  
  1517. .lm 3
  1518. ááIMPLEMENTOR╙ NOTE║ Usua∞ value≤ fo≥ SuΓ-channe∞ datß lengtΦ arσ 0¼ 12¼ 20¼ ì
  1519. áá2╕ anΣ 4┤ bytes«  SuΓ-channe∞ datß lengtΦ doe≤ no⌠ includσ thσ SuΓ Channe∞ ì
  1520. ááHeader.
  1521. .lm 1
  1522.  
  1523. ááThσ SuΓ-╤ Channe∞ datß blocδ consist≤ oµ contro∞ datß (byte≤ ┤-5)¼ curren⌠ ì
  1524. positioε datß (byte≤ ╢ ¡ 15⌐ anΣ identificatioε datß (byte≤ 1╢ ¡ 47)«  Thσ ì
  1525. contro∞ datß anΣ curren⌠ positioε datß i≤ obtaineΣ froφ thσ ╤ suΓ-channe∞ ì
  1526. informatioε oµ thσ curren⌠ block« Identificatioε datß ma∙ bσ reporteΣ tha⌠ wa≤ ì
  1527. obtaineΣ froφ ß previou≤ block«  Iµ identificatioε datß i≤ reported¼ thσ datß ì
  1528. shal∞ bσ valiΣ fo≥ thσ secto≥ addresseΣ b∙ thσ curren⌠ positioε data« 
  1529.  
  1530. áá(1⌐ Iµ aε audi∩ pla∙ operatioε i≤ proceedinτ iε thσ background¼ positioε ì
  1531. datß fo≥ thσ las⌠ secto≥ playeΣ shal∞ bσ reported.
  1532. áá  (2⌐ Iε othe≥ cases¼ fo≥ instancσ afte≥ ß REA─ command¼ thσ targe⌠ ma∙ ì
  1533. eithe≥ repor⌠ positioε datß fo≥ thσ las⌠ secto≥ processeΣ fo≥ tha⌠ operatioε ì
  1534. o≥ ma∙ repor⌠ positioε datß froφ thσ secto≥ a⌠ thσ curren⌠ reaΣ heaΣ position.
  1535.  
  1536. .lm3
  1537. ááIMPLEMENTOR╙ NOTE║ Wheε thσ typσ oµ informatioε encodeΣ iε thσ ╤ suΓ-channe∞ ì
  1538. ááoµ thσ curren⌠ secto≥ i≤ thσ mediß cataloτ numbe≥ o≥ ISRC╗ thσ track¼ index¼ ì
  1539. ááanΣ addres≤ field≤ shoulΣ bσ extrapolateΣ froφ thσ previou≤ sector.
  1540. .lm1
  1541.  
  1542. ááThσ AD╥ fielΣ give≤ thσ typσ oµ informatioε encodeΣ iε thσ ╤ suΓ-channe∞ oµ ì
  1543. thi≤ block¼ a≤ showε iε Tablσ 1│-21.
  1544.  
  1545. .cp 15è.aw off
  1546. .pm 0
  1547.                             Table 13-21: AD╥ Sub-channe∞ ╤ Field
  1548.  
  1549. ==============================================================================
  1550. AD╥ Code      Description
  1551. ------------------------------------------------------------------------------
  1552.  0Φ           Sub-channe∞ ╤ modσ informatioε no⌠ supplied.
  1553.  1h           SuΓ-channe∞ ╤ encode≤ curren⌠ positioε data« 
  1554.                 (i.e« track¼ index¼ absolute address¼ relativσ address.)
  1555.  2h           Sub-channe∞ ╤ encode≤ mediß cataloτ number.
  1556.  3h           Sub-channe∞ ╤ encode≤ ISRC.
  1557. 4Φ ¡ Fh       Reserved
  1558. ==============================================================================
  1559. .aw on
  1560. .pm 3
  1561.  
  1562.  
  1563. ááThσ contro∞ bit≤ arσ defineΣ iε Tablσ 1│-22.
  1564.  
  1565. .cp 12
  1566. .aw off
  1567. .pm 0
  1568.                       Table 13-22: Sub-channe∞ ╤ Contro∞ Bits
  1569.  
  1570. ==============================================================================
  1571.  Bi⌠           equa∞≤ zer∩                   equa∞s onσ             
  1572. ------------------------------------------------------------------------------
  1573.   0       Audi∩ withou⌠ pre-emphasis    Audi∩ witΦ pre-emphasi≤  
  1574.   1       Digita∞ cop∙ prohibited       Digita∞ cop∙ permitteΣ   
  1575.   2       Audi∩ track                   Datß tracδ               
  1576.   3       Tw∩ channe∞ audio             Fou≥ channe∞ audio       
  1577. ==============================================================================
  1578. .aw on
  1579. .pm 3
  1580.  
  1581.  
  1582. .cp 3
  1583. ááThσ tracδ numbe≥ specifie≤ thσ curren⌠ tracδ number«  
  1584.  
  1585. ááThσ inde° numbe≥ specifie≤ thσ inde° numbe≥ iε thσ curren⌠ track.
  1586.  
  1587. ááThσ absolutσ C─-RO═ addres≤ fielΣ give≤ thσ curren⌠ locatioε relativσ t∩ thσ ì
  1588. logica∞ beginninτ oµ thσ media«  Iµ thσ MS╞ bi⌠ i≤ zero¼ thi≤ fielΣ i≤ ß ì
  1589. logica∞ blocδ address«  Iµ thσ MS╞ bi⌠ i≤ one¼ thi≤ fielΣ i≤ aε absolutσ MS╞ ì
  1590. address« (Seσ 13.1.5.)
  1591.  
  1592. ááThσ tracδ relativσ C─-RO═ addres≤ fielΣ give≤ thσ curren⌠ locatioε relativσ ì
  1593. t∩ thσ logica∞ beginninτ oµ thσ curren⌠ track«  Iµ thσ MS╞ bi⌠ i≤ zero¼ thi≤ ì
  1594. fielΣ i≤ ß tracδ relativσ logica∞ blocδ address«  (Iµ thσ curren⌠ blocδ i≤ iε ì
  1595. thσ prσ-ga≡ areß oµ ß track¼ thi≤ wil∞ bσ ß negativσ value¼ expresseΣ a≤ ß ì
  1596. two≤ complemen⌠ number« Seσ 13.1.5)«  Iµ thσ MS╞ bi⌠ i≤ one¼ thi≤ fielΣ i≤ thσ ì
  1597. relativσ MS╞ addres≤ froφ thσ ╤ suΓ-channel« 
  1598.  
  1599. áá┴ mediß cataloτ valiΣ (MCVal⌐ bi⌠ oµ onσ indicate≤ tha⌠ thσ mediß cataloτ ì
  1600. numbe≥ fielΣ i≤ valid«  ┴ MCVa∞ bi⌠ oµ zer∩ indicate≤ tha⌠ thσ mediß cataloτ ì
  1601. numbe≥ fielΣ i≤ no⌠ valid.
  1602.  
  1603. .cp 6
  1604. ááThσ mediß cataloτ numbe≥ fielΣ contain≤ thσ identifyinτ numbe≥ oµ thi≤ mediß ì
  1605. accordinτ t∩ thσ uniforφ produc⌠ codσ value≤ (UPC/EA╬ Ba≥ Coding⌐ expresseΣ iε ì
  1606. ASCII« Noε-zer∩ value≤ iε thi≤ fielΣ arσ controlleΣ b∙ thσ Uniforφ Produc⌠ ì
  1607. Codσ Counci∞ anΣ thσ Europeaε Articlσ Numbe≥ Counci∞ (seσ Sectioε 2)«  ┴ valuσ ì
  1608. iε thi≤ fielΣ oµ al∞ ASCI╔ zero≤ indicate≤ tha⌠ thσ mediß cataloτ numbe≥ i≤ ì
  1609. no⌠ supplied.
  1610. è.cp 3
  1611. ááThσ tracδ codσ valiΣ (TCVal⌐ bi⌠ oµ onσ indicate≤ tha⌠ thσ tracδ ISR├ fielΣ ì
  1612. i≤ valid«  ┴ TCVa∞ bi⌠ oµ zer∩ indicate≤ tha⌠ thσ tracδ Internationa∞-ì
  1613. StandarΣ-Recordinτ-Codσ (ISRC⌐ fielΣ i≤ no⌠ valid.
  1614.  
  1615. .cp 2
  1616. ááThσ tracδ ISR├ fielΣ contain≤ thσ identifyinτ numbe≥ oµ thi≤ mediß accordinτ ì
  1617. t∩ thσ ISR├ standard≤ (DI╬-3▒-621⌐ expresseΣ iε ASCII«  
  1618.  
  1619. .cp35
  1620. .aw off
  1621. .pm 0
  1622.                    Table 13-23: CD-RO═ Curren⌠ Position Datß Format
  1623.  
  1624. ==============================================================================
  1625.   Bitⁿ   ╖    ⁿ   ╢    ⁿ   ╡    ⁿ   ┤    ⁿ   │    ⁿ   ▓    ⁿ   ▒    ⁿ   ░    |
  1626. Bytσ ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        |
  1627. ==============================================================================
  1628.      ⁿ                        SuΓ-channe∞ Datß Heade≥                        |
  1629. ==============================================================================
  1630.  0   ⁿ                               ReserveΣ                                |
  1631. -----|-----------------------------------------------------------------------|
  1632.  1   ⁿ                             Audi∩ Status                              |
  1633. -----|-----------------------------------------------------------------------|
  1634.  ▓   ⁿ (MSB)                                                                 |
  1635. -----|--¡                     SuΓ-Channe∞ Datß Length                     ---|
  1636.  3   ⁿ                                                                 (LSB) |
  1637. ==============================================================================
  1638.      ⁿ                  CD-RO═ Curren⌠ Position Datß Blocδ                   |
  1639. ==============================================================================
  1640.  4   ⁿ                  SuΓ Channe∞ Datß Forma⌠ codσ (01h⌐                   |
  1641. -----|-----------------------------------------------------------------------|
  1642.  5   ⁿ                AD╥                ⁿ             Contro∞               |
  1643. -----|-----------------------------------------------------------------------|
  1644.  6   ⁿ                             Tracδ Number                              |
  1645. -----|-----------------------------------------------------------------------|
  1646.  7   ⁿ                             Inde° Numbe≥                              |
  1647. -----|-----------------------------------------------------------------------|
  1648.  8   ⁿ (MSB⌐                                                                 |
  1649. ¡ ¡ -|¡ ¡ ¡ ¡                 Absolutσ CD-RO═ Address                 ¡ ¡ ¡ -|
  1650.  11  ⁿ                                                                 (LSB) |
  1651. -----|-----------------------------------------------------------------------|
  1652.  12  ⁿ (MSB)                                                                 |
  1653. ¡ ¡ -|¡ ¡ ¡ ¡              Tracδ Relativσ CD-RO═ Address              - ¡ ¡ -|
  1654.  15  ⁿ                                                                 (LSB) |
  1655. ==============================================================================
  1656. .aw on
  1657. .pm 3
  1658.  
  1659.  
  1660. .cp32è.aw off
  1661. .pm 0
  1662.                   Table 13-24: Mediß Cataloτ Number Datß Format
  1663.  
  1664. ==============================================================================
  1665.   Bitⁿ   ╖    ⁿ   ╢    ⁿ   ╡    ⁿ   ┤    ⁿ   │    ⁿ   ▓    ⁿ   ▒    ⁿ   ░    |
  1666. Bytσ ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        |
  1667. ==============================================================================
  1668.      ⁿ                        SuΓ-channe∞ Datß Heade≥                        |
  1669. ==============================================================================
  1670.  0   ⁿ                               ReserveΣ                                |
  1671. -----|-----------------------------------------------------------------------|
  1672.  1   ⁿ                             Audi∩ Status                              |
  1673. -----|-----------------------------------------------------------------------|
  1674.  ▓   ⁿ (MSB)                                                                 |
  1675. -----|--¡                     SuΓ-Channe∞ Datß Length                     ---|
  1676.  3   ⁿ                                                                 (LSB) |
  1677. ==============================================================================
  1678.      ⁿ                   Mediß Cataloτ Numbe≥ Datß Blocδ                     |
  1679. ==============================================================================
  1680.  4   ⁿ                  SuΓ Channe∞ Data Forma⌠ codσ (02h)                   |
  1681. ------------------------------------------------------------------------------
  1682.  ╡   ⁿ                               Reserved                                |
  1683. ------------------------------------------------------------------------------
  1684.  6   ⁿ                               Reserved                                |
  1685. ------------------------------------------------------------------------------
  1686.  7   ⁿ                               Reserved                                |
  1687. ------------------------------------------------------------------------------
  1688.  8   ⁿ  M├╓al |                      Reserved                                |
  1689. -----|-----------------------------------------------------------------------|
  1690.  ╣   | (MSB)                                                                 |
  1691. ¡ ¡ -|¡ ¡ ¡ ¡           Mediß Cataloτ Numbe≥ (UPC/Ba≥ Code⌐           ¡ ¡ ¡ -|
  1692.  23  ⁿ                                                                 (LSB) |
  1693. ==============================================================================
  1694. .aw on
  1695. .pm 3
  1696.  
  1697.  
  1698. ááIµ Mediß Cataloτ Numbe≥ datß i≤ found¼ thσ MCVa∞ bi⌠ i≤ se⌠ t∩ one«  Iµ MC╬ ì
  1699. datß i≤ no⌠ detected¼ thσ MCVa∞ bi⌠ i≤ se⌠ t∩ zer∩ t∩ indicatσ thσ Mediß ì
  1700. Cataloτ Numbe≥ fielΣ i≤ invalid.
  1701.  
  1702. .lm 3
  1703. ááIMPLEMENTOR╙ NOTE║  Mediß Cataloτ Numbe≥ datß returneΣ b∙ thi≤ commanΣ witΦ ì
  1704. ááSuΓ-channe∞ Datß Forma⌠ fielΣ codσ 02Φ ma∙ bσ froφ an∙ blocδ whicΦ ha≤ ì
  1705. ááUPC/Ba≥ Codσ ╤ suΓ-channe∞ data« (Thi≤ codσ i≤ constan⌠ anywherσ iε ever∙ ì
  1706. ááapplicablσ disc.)
  1707. .lm1
  1708.  
  1709. .cp 32è.aw off
  1710. .pm 0
  1711.       Table 13-25: Tracδ Internationa∞ StandarΣ Recordinτ Codσ Datß Format
  1712.  
  1713. ==============================================================================
  1714.   Bitⁿ   ╖    ⁿ   ╢    ⁿ   ╡    ⁿ   ┤    ⁿ   │    ⁿ   ▓    ⁿ   ▒    ⁿ   ░    |
  1715. Bytσ ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        |
  1716. ==============================================================================
  1717.      ⁿ                       SuΓ-channe∞ Datß Heade≥                         |
  1718. ==============================================================================
  1719.  0   ⁿ                               ReserveΣ                                |
  1720. -----|-----------------------------------------------------------------------|
  1721.  1   ⁿ                             Audi∩ Status                              |
  1722. -----|-----------------------------------------------------------------------|
  1723.  ▓   ⁿ (MSB)                                                                 |
  1724. -----|--¡                     SuΓ-Channe∞ Datß Length                     ---|
  1725.  3   ⁿ                                                                 (LSB) |
  1726. ==============================================================================
  1727.      ⁿ                         Tracδ ISR├ Datß Blocδ                         |
  1728. ==============================================================================
  1729.  4   ⁿ                    SuΓ Channe∞ Data Forma⌠ codσ (03h)                 |
  1730. ------------------------------------------------------------------------------
  1731.  ╡   ⁿ              ADR                  ⁿ               Control             |
  1732. ------------------------------------------------------------------------------
  1733.  6   ⁿ                             Tracδ Number                              |
  1734. ------------------------------------------------------------------------------
  1735.  7   ⁿ                               Reserved                                |
  1736. ------------------------------------------------------------------------------
  1737.  8   ⁿ  T├╓al |                      Reserved                                |
  1738. -----|-----------------------------------------------------------------------|
  1739.  ╣   | (MSB)                                                                 |
  1740. ¡ ¡ -|¡ ¡ ¡ ¡     Tracδ International-Standard-Recording-Codσ (ISRC)  ¡ ¡ ¡ -|
  1741.  23  ⁿ                                                                 (LSB) |
  1742. ==============================================================================
  1743.  
  1744.  
  1745. .lm 1
  1746. .pm 3
  1747. .aw on
  1748. ááIµ ISR├ datß i≤ detected¼ thσ TCVa∞ bi⌠ i≤ se⌠ t∩ one«  Iµ ISR├ datß i≤ no⌠ ì
  1749. detected¼ thσ TCVa∞ bi⌠ i≤ se⌠ t∩ zer∩ t∩ indicatσ thσ ISR├ fielΣ i≤ invalid.
  1750. áá  
  1751. .lm 3
  1752. ááIMPLEMENTOR╙ NOTE║ Tracδ ISR├ datß returneΣ b∙ thi≤ commanΣ witΦ SuΓ¡ ì
  1753. ááChanne∞ Datß Forma⌠ fielΣ 03Φ ma∙ bσ froφ an∙ blocδ iε thσ specifieΣ tracδ ì
  1754. ááwhicΦ ha≤ ISR├ data.
  1755. .lm 1
  1756.  
  1757. .cp 35è.aw off
  1758. .pm 0
  1759. 13.2.11. REA─ TO├ Command
  1760.  
  1761.                            Table 13-26: REA─ TO├ Command
  1762.  
  1763. ==============================================================================
  1764.   Bitⁿ   ╖    ⁿ   ╢    ⁿ   ╡    ⁿ   ┤    ⁿ   │    ⁿ   ▓    ⁿ   ▒    ⁿ   ░    |
  1765. Bytσ ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        |
  1766. ==============================================================================
  1767.  ░   ⁿ                         Operatioε Codσ (43h⌐                          |
  1768. -----|-----------------------------------------------------------------------|
  1769.  ▒   ⁿ Logica∞ Uni⌠ Numbe≥      ⁿ         ReserveΣ         ⁿ  MSF   |Reserved|
  1770. -----|-----------------------------------------------------------------------|
  1771.  ▓   ⁿ                           ReserveΣ                                    |
  1772. -----|-----------------------------------------------------------------------|
  1773.  │   ⁿ                           ReserveΣ                                    |
  1774. -----|-----------------------------------------------------------------------|
  1775.  ┤   ⁿ                           ReserveΣ                                    |
  1776. -----|-----------------------------------------------------------------------|
  1777.  ╡   ⁿ                           ReserveΣ                                    |
  1778. -----|-----------------------------------------------------------------------|
  1779.  ╢   ⁿ                           Startinτ Track                              |
  1780. -----|-----------------------------------------------------------------------|
  1781.  ╖   ⁿ (MSB)                                                                 |
  1782. -----|--¡                        Allocatioε LengtΦ                        ---|
  1783.  ╕   ⁿ                                                                 (LSB) |
  1784. -----|-----------------------------------------------------------------------|
  1785.  ╣   ⁿ                           Control                                     |
  1786. ==============================================================================
  1787. .aw on
  1788. .pm 3
  1789.  
  1790.  
  1791. ááThσ REA─ TO├ commanΣ (Tablσ 1│-26⌐ request≤ thσ targe⌠ transfer≤ datß froφ ì
  1792. thσ tablσ oµ content≤ t∩ thσ initiator«  Thσ forma⌠ oµ thσ datß returneΣ i≤ ì
  1793. specifieΣ iε Tablσ 1│-27.
  1794.  
  1795. ááSeσ 13.1.5« fo≥ ß descriptioε oµ thσ MS╞ bit.
  1796.  
  1797. ááThσ startinτ tracδ fielΣ specifie≤ thσ startinτ tracδ numbe≥ fo≥ whicΦ thσ ì
  1798. datß shal∞ bσ returned«  Iµ thi≤ valuσ i≤ zero¼ thσ tablσ oµ content≤ datß ì
  1799. shal∞ begiε witΦ thσ firs⌠ tracδ oε thσ medium«  Thσ datß i≤ returneΣ iε ì
  1800. contiguou≤ ascendinτ tracδ numbe≥ order«  
  1801.  
  1802. .cp5
  1803. ááIµ thσ startinτ tracδ fielΣ i≤ no⌠ valiΣ fo≥ thσ currentl∙ installeΣ medium¼ ì
  1804. thσ commanΣ shal∞ bσ terminateΣ witΦ CHEC╦ CONDITIO╬ status«  Thσ sensσ ke∙ ì
  1805. shal∞ bσ se⌠ t∩ ILLEGA╠ REQUES╘ anΣ thσ additiona∞ sensσ codσ se⌠ t∩ INVALI─ ì
  1806. FIEL─ I╬ CDB.
  1807.  
  1808. .cp 3
  1809. .lm 3
  1810. ááIMPLEMENTOR╙ NOTE║ Thσ maximuφ TO├ datß lengtΦ possiblσ oε currentl∙ ì
  1811. ááavailablσ C─-RO═ mediß i≤ 80┤ bytes¼ o≥ 10░ TO├ tracδ descriptors.
  1812. .lm 1
  1813.  
  1814. .c≡ 25è.aw off
  1815. .pm 0
  1816.                          Table 13-27: REA─ TO├ Datß Forma⌠ 
  1817.  
  1818. ==============================================================================
  1819.   Bitⁿ   ╖    ⁿ   ╢    ⁿ   ╡    ⁿ   ┤    ⁿ   │    ⁿ   ▓    ⁿ   ▒    ⁿ   ░    |
  1820. Bytσ ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        |
  1821. ==============================================================================
  1822.  ░   ⁿ (MSB)                                                                 |
  1823. -----|--¡                        TO├ Datß LengtΦ                          ---|
  1824.  ▒   ⁿ                                                                 (LSB⌐ |
  1825. -----|-----------------------------------------------------------------------|
  1826.  2   ⁿ                           Firs⌠ Tracδ Numbe≥                          |
  1827. -----|-----------------------------------------------------------------------|
  1828.  3   ⁿ                           Las⌠ Tracδ Numbe≥                           |
  1829. ==============================================================================
  1830.      |                         TO├ Tracδ Descriptor(s⌐                       |
  1831. ==============================================================================
  1832.  0   ⁿ                           ReserveΣ                                    |
  1833. -----|-----------------------------------------------------------------------|
  1834.  1   ⁿ              AD╥                  ⁿ             Contro∞               |
  1835. -----|-----------------------------------------------------------------------|
  1836.  2   ⁿ                           Tracδ Numbe≥                                |
  1837. -----|-----------------------------------------------------------------------|
  1838.  3   ⁿ                           ReserveΣ                                    |
  1839. -----|-----------------------------------------------------------------------|
  1840.  4   ⁿ (MSB)                                                                 |
  1841. ¡ ¡ -|¡ ¡ ¡ ¡                    Absolutσ CD-RO═ Addres≤              ¡ ¡ ¡ -|
  1842.  7   ⁿ                                                                 (LSB) |
  1843. ==============================================================================
  1844. .aw on
  1845. .pm 3
  1846.  
  1847.  
  1848. ááThσ TO├ datß blocδ contain≤ ß fou≥ bytσ heade≥ followeΣ b∙ zer∩ o≥ morσ TO├ ì
  1849. tracδ descriptors.
  1850.  
  1851. ááThσ TO├ datß lengtΦ specifie≤ thσ lengtΦ iε byte≤ oµ thσ followinτ TO├ datß ì
  1852. tha⌠ i≤ availablσ t∩ bσ transferreΣ durinτ thσ DAT┴ I╬ phase« Thσ TO├ datß ì
  1853. lengtΦ valuσ doe≤ no⌠ includσ thσ TO├ datß lengtΦ fielΣ itself.
  1854.  
  1855. ááThσ firs⌠ tracδ numbe≥ fielΣ indicate≤ thσ firs⌠ tracδ numbe≥ iε thσ tablσ ì
  1856. oµ contents«  
  1857.  
  1858. .cp 6
  1859. ááThσ las⌠ tracδ numbe≥ fielΣ indicate≤ thσ las⌠ tracδ numbe≥ iε thσ tablσ oµ ì
  1860. content≤ beforσ thσ leaΣ-ou⌠ tracδ number.
  1861.  
  1862. .lm 3
  1863. ááIMPLEMENTOR╙ NOTE║  Thσ firs⌠ tracδ numbe≥ i≤ no⌠ requireΣ t∩ bσ one«  ┴ ì
  1864. áádisπ ma∙ star⌠ a⌠ an∙ valiΣ tracδ number«  Thσ tracδ number≤ betweeε thσ ì
  1865. ááfirs⌠ tracδ numbe≥ anΣ thσ las⌠ tracδ numbe≥ arσ requireΣ t∩ bσ iε ì
  1866. áácontiguou≤ ascendinτ order¼ excep⌠ fo≥ thσ leaΣ-ou⌠ track.
  1867. .lm 1
  1868.  
  1869. .cp 3 
  1870. ááThσ AD╥ fielΣ give≤ thσ typσ oµ informatioε encodeΣ iε thσ ╤ SuΓ-channe∞ oµ ì
  1871. thσ blocδ wherσ thi≤ TO├ entr∙ wa≤ found«  Thσ possiblσ AD╥ value≤ arσ defineΣ ì
  1872. iε Tablσ 1│-21.
  1873.  
  1874. .cp 2
  1875. ááThσ contro∞ fielΣ indicate≤ thσ attribute≤ oµ thσ track«  Thσ possiblσ ì
  1876. contro∞ fielΣ value≤ arσ defineΣ iε Tablσ 1│-22.
  1877. è.cp 3
  1878. ááThσ tracδ numbe≥ fielΣ indicate≤ thσ tracδ numbe≥ fo≥ whicΦ thσ datß iε thσ ì
  1879. TO├ tracδ descripto≥ i≤ valid«  ┴ tracδ numbe≥ oµ 0AAΦ indicate≤ thσ tracδ ì
  1880. descripto≥ i≤ fo≥ thσ star⌠ oµ thσ leaΣ-ou⌠ area.
  1881.  
  1882. .cp 5
  1883. ááThσ absolutσ C─-RO═ addres≤ contain≤ thσ addres≤ oµ thσ firs⌠ blocδ witΦ ì
  1884. use≥ informatioε fo≥ tha⌠ tracδ numbe≥ a≤ reaΣ froφ thσ tablσ oµ contents«  Aε ì
  1885. MS╞ bi⌠ oµ zer∩ indicate≤ tha⌠ thσ absolutσ C─-RO═ addres≤ fielΣ contain≤ ß ì
  1886. logica∞ blocδ address«  Aε MS╞ bi⌠ oµ onσ indicate≤ thσ absolutσ C─-RO═ ì
  1887. addres≤ fielΣ contain≤ aε MS╞ addres≤ (seσ 13.1.5)« 
  1888.  
  1889. .cp 4
  1890. .lm 3
  1891. ááIMPLEMENTOR╙ NOTE║ Thσ startinτ logica∞ blocδ addres≤ valuσ recovereΣ froφ ì
  1892. ááthσ TO├ ha≤ ß tolerancσ oµ zer∩ fo≥ datß track≤ anΣ plu≤ o≥ minu≤ 7╡ C─ ì
  1893. áásector≤ fo≥ audi∩ tracks«  Thi≤ tolerancσ i≤ multiplieΣ b∙ ß facto≥ ì
  1894. áádependen⌠ oε thσ logica∞ blocδ Length«   
  1895. .lm 1
  1896.  
  1897.  
  1898. .cp 20
  1899. .aw off
  1900. .pm 0
  1901. 13.3. Parameter≤ fo≥ CD-ROM Devices
  1902. .aw on
  1903. .pm 3
  1904.  
  1905. .cp 10
  1906. .aw off
  1907. .pm 0
  1908. 13.3.1. Diagnostic Paramete≥s
  1909. .aw on
  1910. .pm 3
  1911.  
  1912. ááThi≤ sectioε define≤ thσ descriptor≤ anΣ page≤ fo≥ diagnostiπ parameter≤ ì
  1913. useΣ witΦ C─-RO═ devices« 
  1914.  
  1915. ááThσ diagnostiπ pagσ code≤ fo≥ C─-RO═ device≤ arσ defineΣ iε Tablσ 1│-28.
  1916.  
  1917. .aw off
  1918. .pm 0
  1919. .cp 15
  1920.                       Table 13-28: Diagnostiπ Page Codes
  1921.  
  1922. ==============================================================================
  1923.   Page Code   Description                                           Section
  1924. ------------------------------------------------------------------------------
  1925. ááá00h        SupporteΣ Diagnostiπ Pagσ≤                            7.3.1.1
  1926. 01Φ ¡ 3Fh     ReserveΣ (fo≥ al∞ devicσ typσ page≤)                 
  1927. 40Φ ¡ 7Fh     Reserved
  1928. 80Φ ¡ FFh     Vendo≥-specifiπ pages
  1929. ==============================================================================
  1930. .aw on
  1931. .pm 3
  1932. .lm 1
  1933.  
  1934.  
  1935. .cp 5
  1936. .aw off
  1937. .pm 0
  1938. 13.3.2. Log Paramete≥s
  1939. .aw on
  1940. .pm 3
  1941.  
  1942. ááThi≤ sectioε define≤ thσ descriptor≤ anΣ page≤ fo≥ loτ parameter≤ useΣ witΦ ì
  1943. C─-RO═ devices« 
  1944.  
  1945. ááThσ loτ pagσ code≤ fo≥ C─-RO═ device≤ arσ defineΣ iε Tablσ 1│-29.
  1946.  
  1947. .aw off
  1948. .pm 0
  1949. .cp 15è                                Table 13-29: Log Page Codes
  1950.  
  1951. ==============================================================================
  1952.   Page Code   Description                                           Section
  1953. ------------------------------------------------------------------------------
  1954. ááá01h        Buffer Over-Run/Under-Run Page                        7.3.2.1
  1955. ááá03h        Erro≥ Counte≥ Pagσ (Read) Page                        7.3.2.2
  1956. ááá07h        Last n Error Events Page                              7.3.2.3
  1957. ááá06h        Non-Mediuφ Error Page                                 7.3.2.4
  1958. 02Φ¼ 04h¼ 05h¼ 08Φ ¡ 2Fh¼ 3FΦ  Reserved                              
  1959. ááá00h        Supported Log Pages                                   7.3.2.5
  1960. 30h - 3Eh     Vendo≥-specifiπ pages
  1961. ==============================================================================
  1962. .aw on
  1963. .pm 3
  1964. .lm 1
  1965.  
  1966.  
  1967. .cp 10
  1968. .aw off
  1969. .pm 0
  1970. 13.3.3. Mode Paramete≥s
  1971. .aw on
  1972. .pm 3
  1973.  
  1974. ááThi≤ sectioε define≤ thσ descriptor≤ anΣ page≤ fo≥ modσ parameter≤ useΣ witΦ ì
  1975. C─-RO═ devices« 
  1976.  
  1977. ááThσ modσ paramete≥ list¼ includinτ thσ modσ paramete≥ heade≥ anΣ modσ blocδ ì
  1978. descripto≥ arσ defineΣ iε 7.3.3.
  1979.  
  1980. ááThσ mediuφ-typσ codσ fielΣ i≤ containeΣ iε thσ modσ paramete≥ heade≥ (seσ ì
  1981. Tablσ ╖-6▒ anΣ ╖-62)«  Tablσ 1│-3░ define≤ thσ mediuφ typσ value≤ fo≥ C─-RO═ ì
  1982. devices.
  1983.  
  1984.  
  1985. .cp 20
  1986. .pm 0
  1987. .aw off
  1988.                        Table 13-30: CD-ROM Medium Typσ Codes
  1989.  
  1990.             ===================================================
  1991.              Code Value   Mediuφ Type
  1992.             ------------  -------------------------------------
  1993.                00Φ        Defaul⌠ (onl∙ onσ typσ supported)
  1994.                01Φ        12░ mφ C─-RO═ datß only
  1995.                02Φ        12░ mφ C─-D┴ audi∩ only
  1996.                03Φ        12░ mφ C─-RO═ datß anΣ audi∩ combined
  1997.                04Φ        Reserved
  1998.                05Φ        8░ mφ C─-RO═ datß only
  1999.                06Φ        8░ mφ C─-D┴ audi∩ only
  2000.                07Φ        8░ mφ C─-RO═ datß anΣ audi∩ combined
  2001.             08h - 7Fh     Reserved
  2002.             80h - FFh     Vendo≥ unique
  2003.             ===================================================
  2004. .lm 1
  2005. .pm 3
  2006. .aw on
  2007.  
  2008. .cp 3
  2009. ááThσ devicσ specifiπ paramete≥ fielΣ i≤ containeΣ iε thσ modσ paramete≥ ì
  2010. heade≥ (seσ Tablσ ╖-61¼ (bytσ 2⌐ anΣ ╖-6▓ (bytσ 3))«  Tablσ 1│-3▒ define≤ thσ ì
  2011. devicσ specifiπ paramete≥ fielΣ fo≥ C─-RO═ devices.
  2012.  
  2013.  
  2014. .cp 15è.aw off
  2015. .pm 0
  2016.                        Table 13-31: CD-RO═ Devicσ Specifiπ Paramete≥
  2017.  
  2018. ==============================================================================
  2019.   Bit|   7    |   6    |   5    |   4    |   3    |   2    |   1    |   0    |
  2020. Bytσ ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        |
  2021. ==============================================================================
  2022.      |         Reserved         | Cache  |           Reserved       |  EBC   |
  2023. ==============================================================================
  2024. .aw on
  2025. .pm 3
  2026.  
  2027.  
  2028. ááWheε useΣ witΦ thσ MOD┼ SELEC╘ commanΣ thσ cachσ bi⌠ i≤ reserved.
  2029.  
  2030. .cp 3
  2031. ááWheε useΣ witΦ ß MOD┼ SENS┼ command¼ ß cachσ bi⌠ oµ zer∩ indicate≤ tha⌠ thσ ì
  2032. targe⌠ doe≤ no⌠ contaiε ß cachσ memory«  ┴ cachσ bi⌠ oµ onσ indicate≤ tha⌠ thσ ì
  2033. targe⌠ contain≤ ß cachσ memor∙ anΣ support≤ thσ cachσ contro∞ bit≤ (seσ ì
  2034. 8.2.6).
  2035.  
  2036. ááThσ enablσ blanδ checδ (EBC⌐ bi⌠ i≤ reserved.
  2037.  
  2038. .cp 3
  2039. ááThσ densit∙ codσ fielΣ i≤ containeΣ iε thσ modσ paramete≥ blocδ descripto≥ ì
  2040. (seσ Tablσ ╖-63)«  Tablσ 1│-3▓ define≤ thσ densit∙ codσ value≤ fo≥ C─-RO═ ì
  2041. devices.
  2042.  
  2043.  
  2044. .cp 20
  2045. .pm0
  2046. .aw off
  2047.                              Table 13-32: CD-ROM Densit∙ Codes
  2048.  
  2049.      ===============================================================
  2050.       Code Value   Datß type≤ t∩ bσ transferreΣ 
  2051.      -----------¡  -------------------------------------------------
  2052.         00h        Defaul⌠ densit∙ code
  2053.         01h        User Datß Onl∙ 
  2054.                      ¡ 204╕ Byte≤ pe≥ physica∞ sector
  2055.         02h        User Datß plu≤ Auxiliar∙ Datß fielΣ 
  2056.                      ¡ 233╢ byte≤ pe≥ sector
  2057.         03h        4 Bytσ Taτ Field¼ Use≥ Datß plu≤ Auxiliar∙ Datß
  2058.                      ¡ 234░ byte≤ pe≥ sector
  2059.         04h        Audi∩ Informatioε Onl∙ 
  2060.                      ¡ (1/75tΦ oµ ß seconΣ pe≥ logica∞ block⌐ 
  2061.      05h - 7Fh     Reserved
  2062.      80h - FFh     Vendo≥ specific
  2063.      ===============================================================
  2064. .lm 1
  2065. .pm 3
  2066. .aw on
  2067.  
  2068.  
  2069. .lm 3
  2070. ááIMPLEMENTOR╙ NOTE║ Thσ numbe≥ oµ byte≤ pe≥ secto≥ specifieΣ b∙ thi≤ ì
  2071. ááparamete≥ i≤ useΣ witΦ thσ blocδ LengtΦ t∩ ma≡ C─-RO═ sector≤ t∩ logica∞ ì
  2072. ááblocδ addresses.
  2073. .lm 1
  2074.  
  2075. .cp 20èááThσ modσ pagσ code≤ fo≥ C─-RO═ device≤ arσ defineΣ iε Tablσ 1│-33.
  2076.  
  2077. .cp  25
  2078. .aw off
  2079. .pm 0
  2080.                                Table 13-33: Modσ Page Codes
  2081.  
  2082. ==============================================================================
  2083.   Page Code   Description                                           Section
  2084. ------------------------------------------------------------------------------
  2085. ááá08Φ        Cachinτ Pagσ                                          8.3.3.1  
  2086. ááá0EΦ        CD-RO═ Audi∩ Contro∞ Pagσ                            13.3.3.1
  2087. ááá0DΦ        CD-RO═ Pagσ                                          13.3.3.2
  2088. ááá0Ah        Contro∞ Mode Page                                     7.3.3.1
  2089. ááá02Φ        Disconnect-Reconnec⌠ Pagσ                             7.3.3.2
  2090. ááá0BΦ        Mediuφ Type≤ SupporteΣ Page                           8.3.3.4
  2091. ááá09Φ        Periphera∞ Devicσ Pagσ                                7.3.3.3
  2092. ááá01Φ        ReaΣ Erro≥ Recover∙ Pagσ                             13.3.3.3
  2093. 03Φ ¡ 06Φ¼ 0CΦ¼ 0FΦ ¡ 1FΦ  Reserved
  2094. ááá3Fh        Returns all page≤ (valiΣ onl∙ fo≥ thσ MOD┼ SENS┼ command)
  2095. 20h - 3Eh     Vendo≥ Specific (page format required)
  2096. ááá07Φ        Verif∙ Erro≥ Recover∙ Pagσ                           13.3.3.4
  2097. ==============================================================================
  2098. .aw on
  2099. .pm 3
  2100.  
  2101. .cp 40è.pm 0
  2102. .aw off
  2103. 13.3.3.1. CD-RO═ Audi∩ Contro∞ Parameters
  2104.  
  2105.                  Table 13-34: CD-RO═ Audi∩ Control Parameters Page
  2106.  
  2107. ==============================================================================
  2108.   Bitⁿ   ╖    ⁿ   ╢    ⁿ   ╡    ⁿ   ┤    ⁿ   │    ⁿ   ▓    ⁿ   ▒    ⁿ   ░    ⁿ
  2109. Bytσ ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        |
  2110. ==============================================================================
  2111.  ░   ⁿ   P╙   |Reservedⁿ            Pagσ Codσ (0Eh⌐                          |
  2112. -----|-----------------------------------------------------------------------|
  2113.  ▒   ⁿ                           Paramete≥ LengtΦ (0Eh⌐                      |
  2114. -----|-----------------------------------------------------------------------|
  2115.  2   ⁿ                  Reserved                  ⁿ ImmeΣ  ⁿ  SOT├  |Reserved|
  2116. -----|-----------------------------------------------------------------------|
  2117.  3   ⁿ                           Reserved                                    |
  2118. -----|-----------------------------------------------------------------------|
  2119.  4   ⁿ                           Reserved                                    |
  2120. -----|-----------------------------------------------------------------------|
  2121.  5   ⁿ APRVal |         Reserved         |        Forma⌠ oµ LBA≤ » Sec.      |
  2122. -----|-----------------------------------------------------------------------|
  2123.  6   ⁿ (MSB)                                                                 |
  2124. -----|--¡          Logica∞ Blocδ≤ pe≥ SeconΣ oµ AudΘo Pla∙back            ---|
  2125.  7   ⁿ                                                                  (LSB)|
  2126. -----|-----------------------------------------------------------------------|
  2127.  8   ⁿ              Reserved             ⁿ  Outpu⌠ Por⌠ ░ Channe∞ Selection  |
  2128. -----|-----------------------------------------------------------------------|
  2129.  9   ⁿ                           Outpu⌠ Por⌠ ░ Volume                        |
  2130. -----|-----------------------------------------------------------------------|
  2131.  10  ⁿ              Reserved             ⁿ  Outpu⌠ Por⌠ ▒ Channe∞ Selection  |
  2132. -----|-----------------------------------------------------------------------|
  2133.  11  ⁿ                           Outpu⌠ Por⌠ 1 Volume                        |
  2134. -----|-----------------------------------------------------------------------|
  2135.  12  ⁿ              Reserved             ⁿ  Outpu⌠ Por⌠ 2 Channe∞ Selection  |
  2136. -----|-----------------------------------------------------------------------|
  2137.  13  ⁿ                           Outpu⌠ Por⌠ 2 Volume                        |
  2138. -----|-----------------------------------------------------------------------|
  2139.  14  ⁿ              Reserved             ⁿ  Outpu⌠ Por⌠ 3 Channe∞ Selection  |
  2140. -----|-----------------------------------------------------------------------|
  2141.  15  ⁿ                           Outpu⌠ Por⌠ 3 Volume                        |
  2142. ==============================================================================
  2143. .aw on
  2144. .pm 3
  2145.  
  2146.  
  2147. ááThσ C─-RO═ audi∩ contro∞ parameter≤ pagσ (Tablσ 1│-34⌐ set≤ thσ playbacδ ì
  2148. mode≤ anΣ outpu⌠ control≤ fo≥ subsequen⌠ PLA┘ AUDI╧ command≤ anΣ an∙ curren⌠ ì
  2149. audi∩ playbacδ operation« 
  2150.  
  2151. .cp 4
  2152. ááThσ parameter≤ savablσ (PS⌐ bi⌠ i≤ onl∙ useΣ witΦ thσ MOD┼ SENS┼ command«  ì
  2153. Thi≤ bi⌠ i≤ reserveΣ witΦ thσ MOD┼ SELEC╘ command«  ┴ P╙ bi⌠ oµ onσ indicate≤ ì
  2154. tha⌠ thσ targe⌠ i≤ capablσ oµ savinτ thσ pagσ iε ß noε-volatilσ vendo≥-ì
  2155. specifiπ location.
  2156.  
  2157. .cp 2
  2158. ááAε immediatσ (Immed⌐ bi⌠ oµ zer∩ indicate≤ thσ targe⌠ shal∞ no⌠ senΣ ì
  2159. completioε statu≤ unti∞ thσ audi∩ playbacδ operatioε i≤ terminated.
  2160.  
  2161. .cp 2èááAε ImmeΣ bi⌠ oµ onσ indicate≤ thσ targe⌠ shal∞ senΣ completioε statu≤ a≤ ì
  2162. sooε a≤ thσ playbacδ operatioε ha≤ beeε started.
  2163.  
  2164. .cp 3
  2165. .pm 0
  2166. .lm 3
  2167. ááIMPLEMENTOR╙ NOTE║  I⌠ i≤ recommendeΣ tha⌠ ß Logica∞ Uni⌠ typσ RESERV┼ bσ ì
  2168. ááissueΣ prio≥ t∩ startinτ audi∩ pla∙ operation≤ witΦ aε ImmeΣ bi⌠ oµ onσ iε ì
  2169. ááan∙ multiplσ initiato≥ environment« 
  2170. .pm 3
  2171. .lm 1
  2172.  
  2173. .cp 4
  2174. áá┴ sto≡ oε tracδ crossinτ (SOTC⌐ bi⌠ oµ zer∩ indicate≤ thσ targe⌠ shal∞ ì
  2175. terminatσ thσ audi∩ playbacδ operatioε wheε thσ transfe≥ lengtΦ i≤ satisfied«  ì
  2176. Multiplσ track≤ shal∞ bσ playeΣ a≤ necessary«  Period≤ oµ timσ encodeΣ a≤ ì
  2177. audi∩ pause/silencσ a⌠ thσ beginninτ oµ tracks¼ (inde° 0,⌐ shal∞ als∩ bσ ì
  2178. played« 
  2179.  
  2180. áá┴ sto≡ oε tracδ crossinτ (SOTC⌐ bi⌠ oµ onσ indicate≤ thσ targe⌠ shal∞ ì
  2181. terminatσ thσ audi∩ playbacδ operatioε wheε thσ beginninτ oµ ß followinτ tracδ ì
  2182. i≤ encountered« 
  2183.  
  2184. ááThσ audi∩ playbacδ ratσ valiΣ (APRVal⌐ bi⌠ valuσ oµ onσ indicate≤ tha⌠ thσ ì
  2185. forma⌠ oµ logica∞ block≤ pe≥ seconΣ fielΣ anΣ thσ logica∞ block≤ pe≥ seconΣ oµ ì
  2186. audi∩ playbacδ fielΣ arσ valid.
  2187.  
  2188. ááThσ forma⌠ oµ logica∞ block≤ addresse≤ pe≥ seconΣ fielΣ give≤ thσ multiplie≥ ì
  2189. t∩ bσ useΣ witΦ thσ logica∞ block≤ pe≥ seconΣ oµ audi∩ playback¼ a≤ defineΣ iε ì
  2190. thσ followinτ table:
  2191.  
  2192. .pm 0
  2193. .aw off
  2194.      ===================================================================
  2195.        Forma⌠ oµ LBA≤ » Seπ valuσ      Multiplie≥ fo≥ LBA≤ » Seπ field
  2196.      ------------------------------   ----------------------------------
  2197.                     0h                             1
  2198.                   1Φ ¡ 7h                          Reserved
  2199.                     8h                             1/256
  2200.                   9Φ ¡ FΦ                          Reserved
  2201.      ===================================================================
  2202. .pm 3
  2203. .aw on
  2204.  
  2205. .lm 3
  2206. ááIMPLEMENTOR╙ NOTE║ Thi≤ fielΣ i≤ provideΣ a≤ ß mean≤ t∩ returε fractiona∞ ì
  2207. áá(i.e.¼ noε-integral⌐ value≤ iε thσ logica∞ blocδ addresse≤ pe≥ seconΣ oµ ì
  2208. ááaudi∩ playback«  Thi≤ shal∞ occu≥ wheε logica∞ blocδ size≤ tha⌠ arσ no⌠ eveε ì
  2209. áámultiple≤ o≥ division≤ oµ thσ physica∞ blocδ sizσ arσ used.
  2210. .lm 1
  2211.  
  2212. ááThσ logica∞ block≤ pe≥ SeconΣ oµ Audi∩ Playbacδ fielΣ give≤ thσ relationshi≡ ì
  2213. betweeε timσ anΣ thσ duratioε oµ pla∙ pe≥ logica∞ blocδ address« Thσ valuσ iε ì
  2214. thi≤ fielΣ i≤ t∩ bσ multiplieΣ b∙ thσ valuσ iε Forma⌠ oµ LBA≤ pe≥ SeconΣ ì
  2215. field« 
  2216.  
  2217. .lm 3
  2218. ááIMPLEMENTOR╙ NOTE║ Thσ logica∞ block≤ pe≥ seconΣ oµ audi∩ playbacδ fielΣ anΣ ì
  2219. ááit≤ companioε forma⌠ oµ LBA≤ pe≥ seconΣ fielΣ ma∙ no⌠ bσ supporteΣ b∙ mos⌠ ì
  2220. áácurren⌠ C─-RO═ device≤ a≤ ß modifiablσ modσ selec⌠ parameter« 
  2221. .lm 1
  2222.  
  2223. .cp 4
  2224. ááThσ outpu⌠ por⌠ channe∞ selectioε specifie≤ thσ audi∩ channel≤ froφ thσ disπ ì
  2225. t∩ whicΦ thi≤ outpu⌠ por⌠ shoulΣ bσ connected«  Seσ Tablσ 1│-35«  Morσ thaε ì
  2226. onσ outpu⌠ por⌠ ma∙ bσ connecteΣ t∩ aε audi∩ channel«  Morσ thaε onσ audi∩ ì
  2227. channe∞ ma∙ bσ connecteΣ t∩ aε outpu⌠ port« 
  2228.  
  2229. .cp 15è.pm 0
  2230. .aw off
  2231.                         Table 13-35: Outpu⌠ Por⌠ Channe∞ Selection
  2232.  
  2233.                  =================================================
  2234.                  000░  outpu⌠ por⌠ muted
  2235.                  000▒  connec⌠ audi∩ channe∞ ░ t∩ thi≤ outpu⌠ port
  2236.                  001░  connec⌠ audi∩ channe∞ 1 t∩ thi≤ outpu⌠ port
  2237.                  0100  connec⌠ audi∩ channe∞ 2 t∩ thi≤ outpu⌠ port
  2238.                  1000  connec⌠ audi∩ channe∞ 3 t∩ thi≤ outpu⌠ port
  2239.                  =================================================
  2240. .aw on
  2241. .pm 3
  2242.  
  2243. ááThσ channe∞ volumσ contro∞ indicate≤ thσ relativσ volumσ leve∞ fo≥ thi≤  ì
  2244. audi∩ outpu⌠ port« ┴ valuσ oµ zer∩ indicate≤ thσ outpu⌠ i≤ muted¼ ß valuσ oµ ì
  2245. FFΦ indicate≤ maximuφ volumσ level.
  2246.  
  2247. .lm 3
  2248. ááIMPLEMENTOR╙ NOTE║ Iµ volumσ control≤ arσ implemented¼ thσ defaul⌠ volumσ ì
  2249. ááleve∞ shoulΣ bσ n∩ morσ thaε 25Ñ oµ thσ maximuφ leve∞ a≤ ß persona∞ safet∙ ì
  2250. ááconsideration«  
  2251. .lm 1
  2252.  
  2253.  
  2254. .cp 30
  2255. .aw off
  2256. .pm 0
  2257. 13.3.3.2. CD-RO═ Devicσ Parameters 
  2258.  
  2259.                         Table 13-36: CD-RO═ Parameter≤ Page
  2260.                      
  2261. ==============================================================================
  2262.   Bitⁿ   ╖    ⁿ   ╢    ⁿ   ╡    ⁿ   ┤    ⁿ   │    ⁿ   ▓    ⁿ   ▒    ⁿ   ░    |
  2263. Bytσ ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        |
  2264. ==============================================================================
  2265.  ░   ⁿ   P╙   |Reservedⁿ         Pagσ Codσ (0Dh⌐                             |
  2266. -----|-----------------------------------------------------------------------|
  2267.  ▒   ⁿ                           Paramete≥ LengtΦ (06h⌐                      |
  2268. -----|-----------------------------------------------------------------------|
  2269.  ▓   ⁿ                           ReserveΣ                                    |
  2270. -----|-----------------------------------------------------------------------|
  2271.  │   ⁿ             ReserveΣ              ⁿ     Inactivit∙ Time≥ Multiplier   |
  2272. -----|-----------------------------------------------------------------------|
  2273.  4   ⁿ                                                                       ⁿ
  2274. -----ⁿ ¡ ¡ -         Numbe≥ oµ MS╞ ¡ S Unit≤ pe≥ MS╞ ¡ M Unit          ¡ ¡ ¡ |
  2275.  5   ⁿ                                                                       |
  2276. -----|-----------------------------------------------------------------------|
  2277.  6   ⁿ                                                                       |
  2278. -----ⁿ ¡ ¡ -         Numbe≥ oµ MS╞ ¡ ╞ Unit≤ pe≥ MS╞ ¡ ╙ Unit          ¡ ¡ ¡ |
  2279.  7   ⁿ                                                                       |
  2280. ==============================================================================
  2281. .aw on
  2282. .pm 3
  2283.  
  2284.  
  2285. ááThσ C─-RO═ parameter≤ pagσ (Tablσ 1│-36⌐ specifie≤ parameter≤ tha⌠ affec⌠ ì
  2286. al∞ C─-RO═ datß types.
  2287.  
  2288. .cp 4
  2289. ááThσ parameter≤ savablσ (PS⌐ bi⌠ i≤ onl∙ useΣ witΦ thσ MOD┼ SENS┼ command«  ì
  2290. Thi≤ bi⌠ i≤ reserveΣ witΦ thσ MOD┼ SELEC╘ command«  ┴ P╙ bi⌠ oµ onσ indicate≤ ì
  2291. tha⌠ thσ targe⌠ i≤ capablσ oµ savinτ thσ pagσ iε ß noε-volatilσ vendo≥-ì
  2292. specifiπ location.
  2293.  
  2294. .cp 3èááThσ inactivit∙ time≥ multiplie≥ specifie≤ thσ lengtΦ oµ timσ tha⌠ thσ drivσ ì
  2295. shal∞ remaiε iε thσ holΣ tracδ statσ afte≥ completioε oµ ß seeδ o≥ reaΣ ì
  2296. operatioε (seσ Tablσ 1│-37).
  2297.  
  2298. .cp 2
  2299. .pm 0
  2300. .lm 3
  2301. ááIMPLEMENTOR╙ NOTE║ Highe≥ value≤ iε thi≤ paramete≥ ma∙ havσ aε adversσ ì
  2302. ááeffec⌠ oε thσ drivσ MTBF¼ iε somσ implementations.
  2303. .lm 1
  2304. .pm 3
  2305.  
  2306. .pm 0
  2307. .aw off
  2308. .cp 15
  2309.                   Table 13-37: Inactivit∙ Time≥ Multiplie≥ Values
  2310.  
  2311. =============================================================================
  2312. Inactivit∙ Time≥  Minimuφ Timσ iε         Inactivit∙ Time≥  Minimuφ Timσ iε  
  2313.    Multiplie≥     HolΣ Tracδ Statσ           Multiplie≥     HolΣ Tracδ Statσ 
  2314. ---------------¡  ---------------¡        ---------------¡  ---------------¡
  2315.       0Φ           Vendo≥ specific             8Φ            16 Seconds
  2316.       1Φ           125 φillΘsecond≤            9Φ            32 Seconds
  2317.       2Φ           250 millΘsecond≤            AΦ             1 Minutσ
  2318.       3Φ           500 millΘsecond≤            BΦ             2 Minute≤
  2319.       4Φ             1 Second                  CΦ             ┤ Minutes
  2320.       5Φ             ▓ Second≤                 Dh             ╕ Minutes
  2321.       6Φ             ┤ Seconds                 Eh            1╢ Minutes
  2322.       7Φ             8 Seconds                 Fh            3▓ Minutes
  2323. =============================================================================
  2324. .aw on
  2325. .pm 3
  2326.  
  2327.  
  2328. .cp 4
  2329. ááThσ numbe≥ oµ ╙ Unit≤ pe≥ ═ Uni⌠ fielΣ give≤ thσ rati∩ oµ thesσ MS╞ addres≤ ì
  2330. values« Fo≥ mediß conforminτ t∩ thσ C─-RO═ anΣ C─-D┴ standard¼ thi≤ valuσ i≤ ì
  2331. 60« 
  2332.  
  2333. .cp 3
  2334. ááThσ numbe≥ oµ ╞ Unit≤ pe≥ ╙ Uni⌠ fielΣ give≤ thσ rati∩ oµ thesσ MS╞ addres≤ ì
  2335. values« Fo≥ mediß conforminτ t∩ thσ C─-RO═ anΣ C─-D┴ standard¼ thi≤ valuσ i≤ ì
  2336. 75.
  2337.  
  2338. .cp 24è.aw off
  2339. .pm 0
  2340. 13.3.3.3. ReaΣ Erro≥ Recover∙ Parameter≤ 
  2341.  
  2342.                  Table 13-38: ReaΣ Erro≥ Recover∙ Parameter≤ Page
  2343.                      
  2344. ==============================================================================
  2345.   Bitⁿ   ╖    ⁿ   ╢    ⁿ   ╡    ⁿ   ┤    ⁿ   │    ⁿ   ▓    ⁿ   ▒    ⁿ   ░    |
  2346. Bytσ ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        |
  2347. ==============================================================================
  2348.  ░   ⁿ   P╙   |Reservedⁿ                 Pagσ Codσ (01h⌐                     |
  2349. -----|-----------------------------------------------------------------------|
  2350.  ▒   ⁿ                       Paramete≥ LengtΦ (06h⌐                          |
  2351. -----|-----------------------------------------------------------------------|
  2352.  ▓   ⁿ                      Erro≥ Recover∙ Paramete≥                         |
  2353. -----|-----------------------------------------------------------------------|
  2354.  │   ⁿ                        ReaΣ Retr∙ Coun⌠                               |
  2355. -----|-----------------------------------------------------------------------|
  2356.  ┤   ⁿ                           ReserveΣ                                    |
  2357. -----|-----------------------------------------------------------------------|
  2358.  ╡   ⁿ                           ReserveΣ                                    |
  2359. -----|-----------------------------------------------------------------------|
  2360.  ╢   ⁿ                           ReserveΣ                                    |
  2361. -----|-----------------------------------------------------------------------|
  2362.  ╖   ⁿ                           ReserveΣ                                    |
  2363. ==============================================================================
  2364. .pm 3
  2365. .aw on
  2366.  
  2367.  
  2368. ááThσ reaΣ erro≥ recover∙ parameter≤ pagσ (Tablσ 1│-38⌐ specifie≤ thσ erro≥ ì
  2369. recover∙ parameter≤ thσ targe⌠ shal∞ usσ durinτ an∙ commanΣ tha⌠ perform≤ ß ì
  2370. datß reaΣ operatioε t∩ thσ mediß (e.g.¼ READ¼ REA─ TOC¼ etc.)« 
  2371.  
  2372. .cp6
  2373. ááThσ parameter≤ savablσ (PS⌐ bi⌠ i≤ onl∙ useΣ witΦ thσ MOD┼ SENS┼ command«  ì
  2374. Thi≤ bi⌠ i≤ reserveΣ witΦ thσ MOD┼ SELEC╘ command«  ┴ P╙ bi⌠ oµ onσ indicate≤ ì
  2375. tha⌠ thσ targe⌠ i≤ capablσ oµ savinτ thσ pagσ iε ß noε-volatilσ vendo≥-ì
  2376. specifiπ location.
  2377.  
  2378. ááThσ Erro≥ Recover∙ Paramete≥ bit≤ arσ defineΣ iε 8.3.3.6« 
  2379.  
  2380. .lm 3
  2381. ááIMPLEMENTOR╙ NOTE║ Thσ implementatioε oµ erro≥ recover∙ procedure≤ fo≥ C─-ì
  2382. ááRO═ device≤ i≤ markedl∙ differen⌠ froφ thosσ useΣ fo≥ magnetiπ mediuφ disδ ì
  2383. áádrives«  A⌠ leas⌠ onσ leve∞ oµ erro≥ correctioε (i.e« CIRC⌐ i≤ requireΣ t∩ ì
  2384. áátransfe≥ thσ datß stream«  Thereforσ thσ performancσ oµ thσ drivσ ma∙ diffe≥ ì
  2385. áásubstantiall∙ froφ wha⌠ woulΣ bσ expecteΣ b∙ sendinτ thσ samσ erro≥ recover∙ ì
  2386. ááparameter≤ t∩ ß magnetiπ mediuφ device.
  2387. .lm 1
  2388.  
  2389. ááThσ correlatioε oµ thσ erro≥ recover∙ paramete≥ anΣ thσ bi⌠ setting≤ defineΣ ì
  2390. fo≥ C─-RO═ device≤ i≤ giveε iε Tablσ 1│-39«  Thσ interpretatioε oµ thesσ bi⌠ ì
  2391. setting≤ fo≥ C─-RO═ device≤ i≤ giveε iε Table≤ 1│-4░ througΦ 1│-45« Iµ thσ ì
  2392. erro≥ recover∙ paramete≥ i≤ se⌠ t∩ an∙ othe≥ value¼ thσ commanΣ shal∞ bσ ì
  2393. terminateΣ witΦ CHEC╦ CONDITIO╬ status«  Thσ sensσ ke∙ shal∞ bσ se⌠ t∩ ILLEGA╠ ì
  2394. REQUES╘ anΣ thσ additiona∞ sensσ codσ se⌠ t∩ INVALI─ FIEL─ I╬ PARAMETE╥ LIST«  
  2395.  
  2396. ááThσ reaΣ retr∙ coun⌠ fielΣ specifie≤ thσ numbe≥ oµ time≤ tha⌠ thσ controlle≥ ì
  2397. shal∞ attemp⌠ it≤ reaΣ recover∙ algorithm«  
  2398.  
  2399. .cp 50è.aw off
  2400. .pm 0
  2401.                 Table 13-39: Erro≥ Recover∙ Paramete≥ Bi⌠ Settings
  2402.    
  2403. ==============================================================================
  2404.   Bitⁿ   ╖    ⁿ   ╢    ⁿ   ╡    ⁿ   ┤    ⁿ   │    ⁿ   ▓    ⁿ   ▒    ⁿ   ░    |
  2405. Bytσ ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        |
  2406.   ▓  ⁿ        ⁿ        ⁿ   TB   ⁿ   RC   ⁿ        ⁿ  PER   ⁿ  DTE   ⁿ  DCR   |
  2407. Valueⁿ        ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        |
  2408. ==============================================================================
  2409.   0░ ⁿ                     0        ░                 ░        ░        ░    ⁿ
  2410. -----+--------+--------+--------+--------+--------+--------+--------+--------ⁿ
  2411.   0▒ ⁿ                     ░        0                 ░        ░        ▒    ⁿ
  2412. -----+--------+--------+--------+--------+--------+--------+--------+--------ⁿ
  2413.   0┤ ⁿ                     ░        0                 ▒        ░        ░    ⁿ
  2414. -----+--------+--------+--------+--------+--------+--------+--------+--------ⁿ
  2415.   0╡ ⁿ                     ░        0                 ▒        ░        ▒    ⁿ
  2416. -----+--------+--------+--------+--------+--------+--------+--------+--------ⁿ
  2417.   0╢ ⁿ                     ░        0                 ▒        ▒        ░    ⁿ
  2418. -----+--------+--------+--------+--------+--------+--------+--------+--------ⁿ
  2419.   0╖ ⁿ                     ░        0                 ▒        ▒        ▒    ⁿ
  2420. -----+--------+--------+--------+--------+--------+--------+--------+--------ⁿ
  2421.   1░ ⁿ                     0        1                 ░        ░        ░    ⁿ
  2422. -----+--------+--------+--------+--------+--------+--------+--------+--------ⁿ
  2423.   1▒ ⁿ                     ░        1                 ░        ░        ▒    ⁿ
  2424. -----+--------+--------+--------+--------+--------+--------+--------+--------ⁿ
  2425.   1┤ ⁿ                     ░        1                 ▒        ░        ░    ⁿ
  2426. -----+--------+--------+--------+--------+--------+--------+--------+--------ⁿ
  2427.   1╡ ⁿ                     ░        1                 ▒        ░        ▒    ⁿ
  2428. -----+--------+--------+--------+--------+--------+--------+--------+--------ⁿ
  2429.   2░ ⁿ                     ▒        0                 ░        ░        ░    ⁿ
  2430. -----+--------+--------+--------+--------+--------+--------+--------+--------ⁿ
  2431.   2▒ ⁿ                     ▒        0                 ░        ░        ▒    ⁿ
  2432. -----+--------+--------+--------+--------+--------+--------+--------+--------ⁿ
  2433.   24 ⁿ                     ▒        0                 1        ░        ░    ⁿ
  2434. -----+--------+--------+--------+--------+--------+--------+--------+--------ⁿ
  2435.   25 ⁿ                     ▒        0                 1        ░        ▒    ⁿ
  2436. -----+--------+--------+--------+--------+--------+--------+--------+--------ⁿ
  2437.   2╢ ⁿ                     ▒        0                 ▒        ▒        ░    ⁿ
  2438. -----+--------+--------+--------+--------+--------+--------+--------+--------ⁿ
  2439.   2╖ ⁿ                     ▒        0                 ▒        ▒        ▒    ⁿ
  2440. -----+--------+--------+--------+--------+--------+--------+--------+--------ⁿ
  2441.   3░ ⁿ                     1        1                 ░        ░        ░    ⁿ
  2442. -----+--------+--------+--------+--------+--------+--------+--------+--------ⁿ
  2443.   3▒ ⁿ                     1        1                 ░        ░        ▒    ⁿ
  2444. -----+--------+--------+--------+--------+--------+--------+--------+--------ⁿ
  2445.   3┤ ⁿ                     1        1                 ▒        ░        ░    ⁿ
  2446. -----+--------+--------+--------+--------+--------+--------+--------+--------ⁿ
  2447.   3╡ ⁿ                     1        1                 ▒        ░        ▒    ⁿ
  2448. ==============================================================================         
  2449. .aw on
  2450. .pm 3
  2451.  
  2452. ááNOTE║ ReserveΣ bit≤ arσ no⌠ showε anΣ shal∞ bσ zero.
  2453.  
  2454.  
  2455. .cp 4èáá┴ CIR├ recovereΣ datß erro≥ i≤ defineΣ a≤ ß blocδ fo≥ whicΦ thσ CIR├ baseΣ ì
  2456. erro≥ correctioε algorithφ wa≤ unsuccessfu∞ fo≥ ß reaΣ attempt¼ bu⌠ oε ß ì
  2457. subsequen⌠ reaΣ operatioε n∩ erro≥ wa≤ reported« Thσ numbe≥ oµ subsequen⌠ reaΣ ì
  2458. operation≤ i≤ limiteΣ t∩ thσ reaΣ retr∙ count« LayereΣ erro≥ correctioε wa≤ ì
  2459. no⌠ used.
  2460. áá      
  2461. .cp 3
  2462. áá┴ CIR├ unrecovereΣ datß erro≥ i≤ defineΣ a≤ ß blocδ fo≥ whicΦ thσ CIR├ baseΣ ì
  2463. erro≥ correctioε algorithφ wa≤ unsuccessfu∞ oε al∞ reaΣ attempt≤ u≡ t∩ thσ ì
  2464. reaΣ retr∙ count« LayereΣ erro≥ correctioε wa≤ no⌠ used« 
  2465. áá      
  2466. .cp 3
  2467. ááAε ╠-E├ recovereΣ datß erro≥ i≤ defineΣ a≤ ß blocδ fo≥ whicΦ thσ CIR├ baseΣ ì
  2468. erro≥ correctioε algorithφ wa≤ unsuccessfu∞ bu⌠ thσ layereΣ erro≥ correctioε ì
  2469. wa≤ ablσ t∩ correc⌠ thσ blocδ withiε thσ reaΣ retr∙ count.
  2470. áá      
  2471. .cp 2
  2472. ááAε ╠-E├ uncorrectablσ datß erro≥ i≤ defineΣ a≤ ß blocδ whicΦ coulΣ no⌠ bσ ì
  2473. correcteΣ b∙ layereΣ erro≥ correctioε withiε thσ reaΣ retr∙ count.
  2474.  
  2475.  
  2476. .pm 0
  2477. .aw off
  2478. .cp 45è              Table 13-40: CD-RO═ Erro≥ Recover∙ Parameter≤ 00Φ ¡ 04h
  2479.  
  2480. ==============================================================================
  2481. Erro≥ Recover∙ Descriptioε   
  2482. ------------------------------------------------------------------------------
  2483. .aw on
  2484. .lm 6
  2485. .pm 2
  2486.  
  2487. á00h Thσ maximuφ erro≥ recover∙ procedure≤ availablσ arσ used«  Iµ aε erro≥ ì
  2488. áááááoccur≤ whicΦ i≤ uncorrectablσ witΦ thσ erro≥ correctioε code≤ (ECC⌐ oε ì
  2489. áááááthσ media¼ datß transfe≥ i≤ terminateΣ witΦ CHEC╦ CONDITIO╬ status« Thσ ì
  2490. áááááblocδ witΦ thσ erro≥ i≤ no⌠ transferred« Thσ sensσ ke∙ i≤ se⌠ t∩ MEDIU═ ì
  2491. áááááERROR« Thσ informatioε byte≤ givσ thσ addres≤ oµ thσ blocδ wherσ thσ ì
  2492. áááááunrecovereΣ erro≥ wa≤ detected« RecovereΣ error≤ arσ no⌠ reported.
  2493.  
  2494. á01h Onl∙ retrie≤ oµ thσ reaΣ operatioε anΣ CIR├ arσ useΣ (layereΣ erro≥ ì
  2495. ááááácorrectioε i≤ no⌠ used)«  Onl∙ CIR├ unrecovereΣ datß error≤ arσ reported« ì
  2496. áááááIµ aε CIR├ unrecovereΣ datß erro≥ occurs¼ datß transfe≥ i≤ terminateΣ ì
  2497. áááááwitΦ CHEC╦ CONDITIO╬ status«  Thσ blocδ witΦ thσ erro≥ i≤ no⌠ ì
  2498. ááááátransferred« Thσ sensσ ke∙ i≤ se⌠ t∩ MEDIU═ ERROR« Thσ informatioε byte≤ ì
  2499. ááááágivσ thσ addres≤ oµ thσ blocδ wherσ thσ unrecovereΣ erro≥ wa≤ detected« ì
  2500. áááááRecovereΣ error≤ arσ no⌠ reported.
  2501.  
  2502. á04h Thσ maximuφ erro≥ recover∙ procedure≤ availablσ arσ used«  RecovereΣ datß ì
  2503. áááááerror≤ arσ reported«  Iµ ß recovereΣ datß erro≥ occurs¼ datß transfe≥ i≤ ì
  2504. áááááno⌠ terminated«   However¼ wheε thσ datß transfe≥ ha≤ completeΣ CHEC╦ ì
  2505. áááááCONDITIO╬ statu≤ i≤ reported«  Thσ sensσ ke∙ i≤ se⌠ t∩ RECOVERE─ ERROR« ì
  2506. áááááThσ informatioε byte≤ givσ thσ addres≤ oµ thσ las⌠ blocδ wherσ ß ì
  2507. ááááárecovereΣ datß erro≥ wa≤ detected«  
  2508.  
  2509. á    Iµ ß datß erro≥ occur≤ whicΦ i≤ uncorrectablσ witΦ thσ EC├ informatioε ì
  2510. áááááavailablσ oε thσ media¼ datß transfe≥ i≤ terminateΣ anΣ CHEC╦ CONDITIO╬ ì
  2511. ááááástatu≤ i≤ reported« Thσ blocδ witΦ thσ erro≥ i≤ no⌠ transferred« Thσ ì
  2512. ááááásensσ ke∙ i≤ se⌠ t∩ MEDIU═ ERROR« Thσ informatioε byte≤ givσ thσ addres≤ ì
  2513. áááááoµ thσ blocδ wherσ thσ uncorrectablσ erro≥ wa≤ detected.
  2514.  
  2515. .pm 0
  2516. .lm 1
  2517. =============================================================================
  2518. .aw on
  2519. .pm 3
  2520.  
  2521.  
  2522. .pm 0
  2523. .aw off
  2524. .lm 1
  2525. .cp 54è              Table 13-41: C─-RO═ Erro≥ Recover∙ Procedure≤ 05Φ ¡ 07h
  2526.  
  2527. ==============================================================================
  2528. Erro≥ Recover∙ Descriptioε   
  2529. ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡-
  2530. .aw on
  2531. .pm 2
  2532. .lm6
  2533.  
  2534. á05h Onl∙ retrie≤ oµ thσ reaΣ operatioε anΣ CIR├ arσ useΣ (layereΣ erro≥ ì
  2535. ááááácorrectioε i≤ no⌠ used)«  RecovereΣ datß error≤ arσ reported«  Iµ ß ì
  2536. ááááárecovereΣ datß erro≥ occurs¼ datß transfe≥ i≤ no⌠ terminated«  However¼ ì
  2537. áááááwheε thσ datß transfe≥ ha≤ completeΣ CHEC╦ CONDITIO╬ statu≤ i≤ reported«  ì
  2538. áááááThσ sensσ ke∙ i≤ se⌠ t∩ RECOVERE─ ERROR« Thσ informatioε byte≤ givσ thσ ì
  2539. áááááaddres≤ oµ thσ las⌠ blocδ wherσ ß CIR├ recovereΣ datß erro≥ wa≤ detected.
  2540.  
  2541. á    Iµ aε unrecovereΣ datß erro≥ occur≤ datß transfe≥ i≤ terminateΣ anΣ CHEC╦ ì
  2542. áááááCONDITIO╬ statu≤ i≤ reported« Thσ blocδ witΦ thσ erro≥ i≤ no⌠ ì
  2543. ááááátransferred« Thσ sensσ ke∙ i≤ se⌠ t∩ MEDIU═ ERROR« Thσ informatioε byte≤ ì
  2544. ááááágivσ thσ addres≤ oµ thσ blocδ wherσ thσ unrecovereΣ erro≥ wa≤ detected.
  2545.  
  2546. á06h Thσ maximuφ erro≥ recover∙ procedure≤ arσ used« RecovereΣ datß error≤ arσ ì
  2547. áááááreported«  Iµ ß recovereΣ datß erro≥ occur≤ datß transfe≥ i≤ terminateΣ ì
  2548. áááááanΣ CHEC╦ CONDITIO╬ statu≤ i≤ reported«  Thσ blocδ witΦ thσ recovereΣ ì
  2549. áááááerro≥ i≤ no⌠ transferred« Thσ sensσ ke∙ i≤ se⌠ t∩ RECOVERE─ ERROR« Thσ ì
  2550. áááááinformatioε byte≤ givσ thσ addres≤ oµ thσ blocδ wherσ thσ recovereΣ datß ì
  2551. áááááerro≥ wa≤ detected.
  2552.  
  2553. á    Iµ ß datß erro≥ occur≤ whicΦ i≤ uncorrectablσ witΦ thσ EC├ informatioε oε ì
  2554. áááááthσ medium¼ datß transfe≥ i≤ terminateΣ witΦ CHEC╦ CONDITIO╬ status«  Thσ ì
  2555. áááááblocδ witΦ thσ erro≥ i≤ no⌠ transferred«  Thσ sensσ ke∙ i≤ se⌠ t∩ MEDIU═ ì
  2556. áááááERROR« Thσ informatioε byte≤ givσ thσ addres≤ oµ thσ blocδ wherσ thσ ì
  2557. áááááuncorrectablσ erro≥ wa≤ detected.
  2558.  
  2559. á07h Onl∙ retrie≤ oµ thσ reaΣ operatioε arσ useΣ (laye≥ erro≥ correctioε i≤ ì
  2560. áááááno⌠ used)«  CIR├ recovereΣ datß error≤ arσ reported«  Iµ ß CIR├ recovereΣ ì
  2561. ááááádatß erro≥ occurs¼ datß transfe≥ i≤ terminateΣ witΦ CHEC╦ CONDITIO╬ ì
  2562. ááááástatus«  Thσ blocδ witΦ thσ recovereΣ erro≥ i≤ no⌠ transferred« Thσ sensσ ì
  2563. áááááke∙ i≤ se⌠ t∩ RECOVERE─ ERROR« Thσ informatioε byte≤ givσ thσ addres≤ oµ ì
  2564. áááááthσ blocδ wherσ thσ recovereΣ datß erro≥ wa≤ detected.
  2565.  
  2566. á    Iµ aε CIR├ unrecovereΣ datß erro≥ occurs¼ datß transfe≥ i≤ terminateΣ ì
  2567. áááááwitΦ CHEC╦ CONDITIO╬ status« Thσ blocδ witΦ thσ erro≥ i≤ no⌠ transferred« ì
  2568. áááááThσ sensσ ke∙ i≤ se⌠ t∩ MEDIU═ ERROR« Thσ informatioε byte≤ givσ thσ ì
  2569. áááááaddres≤ oµ thσ blocδ wherσ thσ unrecovereΣ erro≥ wa≤ detected.
  2570.  
  2571. .pm 0
  2572. .lm 1
  2573. =============================================================================
  2574. .aw on
  2575. .pm 3
  2576.  
  2577.  
  2578. .pm 0
  2579. .aw off
  2580. .cp 54è              Table 13-42: C─-RO═ Erro≥ Recover∙ Procedure≤ 10Φ ¡ 15h
  2581.  
  2582. ==============================================================================
  2583. Erro≥ Recover∙ Descriptioε   
  2584. ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡-
  2585. .aw on
  2586. .pm 2
  2587. .lm6
  2588.  
  2589. á10h Iµ datß transfe≥ caε bσ maintained¼ thσ maximuφ erro≥ recover∙ procedure≤ ì
  2590. áááááavailablσ arσ used« (R├ ╜ 1.⌐ Iµ aε erro≥ occur≤ whicΦ i≤ uncorrectablσ ì
  2591. áááááwitΦ thσ erro≥ correctioε code≤ (ECC⌐ oε thσ media¼ o≥ i≤ uncorrectablσ ì
  2592. áááááiε timσ t∩ maintaiε datß transfer¼ thσ datß transfe≥ i≤ no⌠ terminated«  ì
  2593. áááááHowever¼ wheε thσ datß transfe≥ ha≤ completeΣ CHEC╦ CONDITIO╬ statu≤ i≤ ì
  2594. áááááreported«  Thσ sensσ ke∙ i≤ se⌠ t∩ MEDIU═ ERROR« Thσ informatioε byte≤ ì
  2595. ááááágivσ thσ addres≤ oµ thσ blocδ wherσ thσ firs⌠ unrecovereΣ erro≥ wa≤ ì
  2596. ááááádetected« RecovereΣ error≤ arσ no⌠ reported.
  2597.  
  2598. á11h Iµ datß transfe≥ caε bσ maintained¼ retrie≤ oµ thσ reaΣ operatioε anΣ ì
  2599. áááááCIR├ arσ useΣ (layereΣ erro≥ correctioε i≤ no⌠ used)« (R├ ╜ 1.⌐ Onl∙ CIR├ ì
  2600. áááááunrecovereΣ datß error≤ arσ reported« Iµ aε CIR├ unrecovereΣ datß erro≥ ì
  2601. áááááoccurs¼ datß transfe≥ i≤ no⌠ terminated« However¼ wheε thσ datß transfe≥ ì
  2602. áááááha≤ completeΣ CHEC╦ CONDITIO╬ statu≤ i≤ reported«  Thσ sensσ ke∙ i≤ se⌠ ì
  2603. ááááát∩ MEDIU═ ERROR« Thσ informatioε byte≤ givσ thσ addres≤ oµ thσ blocδ ì
  2604. áááááwherσ thσ firs⌠ unrecovereΣ erro≥ wa≤ detected« RecovereΣ error≤ arσ no⌠ ì
  2605. áááááreported.
  2606.  
  2607. á14h Iµ datß transfe≥ caε bσ maintained¼ thσ maximuφ erro≥ recover∙ procedure≤ ì
  2608. áááááavailablσ arσ used« (R├ ╜ 1.⌐  RecovereΣ datß error≤ arσ reported«  Iµ ß ì
  2609. ááááárecovereΣ datß erro≥ occurs¼ datß transfe≥ i≤ no⌠ terminated«   However¼ ì
  2610. áááááwheε thσ datß transfe≥ ha≤ completeΣ CHEC╦ CONDITIO╬ statu≤ i≤ reported«  ì
  2611. áááááThσ sensσ ke∙ i≤ se⌠ t∩ RECOVERE─ ERROR« Thσ informatioε byte≤ givσ thσ ì
  2612. áááááaddres≤ oµ thσ blocδ wherσ ß recovereΣ datß erro≥ wa≤ detected«  
  2613.  
  2614. á    Iµ aε datß erro≥ occur≤ whicΦ i≤ uncorrectablσ witΦ thσ EC├ informatioε ì
  2615. áááááavailablσ oε thσ media¼ o≥ i≤ uncorrectablσ iε timσ t∩ maintaiε datß ì
  2616. ááááátransfer¼ thσ datß transfe≥ i≤ no⌠ terminated«  However¼ wheε thσ datß ì
  2617. ááááátransfe≥ ha≤ completeΣ CHEC╦ CONDITIO╬ statu≤ i≤ reported«  Thσ sensσ ke∙ ì
  2618. ááááái≤ se⌠ t∩ MEDIU═ ERROR« Thσ informatioε byte≤ givσ thσ addres≤ oµ thσ ì
  2619. áááááblocδ wherσ thσ firs⌠ uncorrectablσ erro≥ wa≤ detected«  Reportinτ ì
  2620. áááááunrecovereΣ error≤ take≤ precedencσ ove≥ reportinτ recovereΣ errors.
  2621.  
  2622. á15h Iµ datß transfe≥ caε bσ maintained¼ retrie≤ oµ thσ reaΣ operatioε anΣ ì
  2623. áááááCIR├ arσ useΣ (layereΣ erro≥ correctioε i≤ no⌠ used)« (R├ ╜ 1.⌐  ì
  2624. áááááRecovereΣ datß error≤ arσ reported«  Iµ ß recovereΣ datß erro≥ occurs¼ ì
  2625. ááááádatß transfe≥ i≤ no⌠ terminated«  However¼ wheε thσ datß transfe≥ ha≤ ì
  2626. ááááácompleteΣ CHEC╦ CONDITIO╬ statu≤ i≤ reported«  Thσ sensσ ke∙ i≤ se⌠ t∩ ì
  2627. áááááRECOVERE─ ERROR« Thσ informatioε byte≤ givσ thσ addres≤ oµ thσ blocδ ì
  2628. áááááwherσ ß CIR├ recovereΣ datß erro≥ wa≤ detected.
  2629.  
  2630. á    Iµ aε unrecovereΣ datß erro≥ occurs¼ datß transfe≥ i≤ no⌠ terminated«  ì
  2631. áááááHowever¼ wheε thσ datß transfe≥ ha≤ completeΣ CHEC╦ CONDITIO╬ statu≤ i≤ ì
  2632. áááááreported«  Thσ sensσ ke∙ i≤ se⌠ t∩ MEDIU═ ERROR« Thσ informatioε byte≤ ì
  2633. ááááágivσ thσ addres≤ oµ thσ blocδ wherσ thσ firs⌠ unrecovereΣ erro≥ wa≤ ì
  2634. ááááádetected«  Reportinτ unrecovereΣ error≤ take≤ precedencσ ove≥ reportinτ ì
  2635. ááááárecovereΣ errors.
  2636.  
  2637. .pm 0
  2638. .lm 1
  2639. =============================================================================è.pm 0
  2640. .aw off
  2641. .lm 1
  2642. .cp 45
  2643.               Table 13-43: C─-RO═ Erro≥ Recover∙ Procedure≤ 20Φ ¡ 24h
  2644.  
  2645. ==============================================================================
  2646. Erro≥ Recover∙ Descriptioε   
  2647. ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡-
  2648. .aw on
  2649. .lm 6
  2650. .pm 2
  2651.  
  2652. á20h Thσ maximuφ erro≥ recover∙ procedure≤ availablσ arσ used«  Iµ aε erro≥ ì
  2653. áááááoccur≤ whicΦ i≤ uncorrectablσ witΦ thσ erro≥ correctioε code≤ (ECC⌐ oε ì
  2654. áááááthσ media¼ datß transfe≥ i≤ terminateΣ witΦ CHEC╦ CONDITIO╬ status« Thσ ì
  2655. áááááblocδ witΦ thσ erro≥ i≤ transferred« Thσ sensσ ke∙ i≤ se⌠ t∩ MEDIU═ ì
  2656. áááááERROR« Thσ informatioε byte≤ givσ thσ addres≤ oµ thσ blocδ wherσ thσ ì
  2657. áááááunrecovereΣ erro≥ wa≤ detected« RecovereΣ error≤ arσ no⌠ reported« 
  2658.  
  2659. á21h Onl∙ retrie≤ oµ thσ reaΣ operatioε anΣ CIR├ arσ useΣ (layereΣ erro≥ ì
  2660. ááááácorrectioε i≤ no⌠ used)«  Onl∙ CIR├ unrecovereΣ datß error≤ arσ reported« ì
  2661. áááááIµ aε CIR├ unrecovereΣ datß erro≥ occur≤ datß transfe≥ i≤ terminateΣ witΦ ì
  2662. áááááCHEC╦ CONDITIO╬ status« Thσ blocδ witΦ thσ erro≥ i≤ transferred« Thσ ì
  2663. ááááásensσ ke∙ i≤ se⌠ t∩ MEDIU═ ERROR« Thσ informatioε byte≤ givσ thσ addres≤ ì
  2664. áááááoµ thσ blocδ wherσ thσ unrecovereΣ erro≥ wa≤ detected«  RecovereΣ error≤ ì
  2665. áááááarσ no⌠ reported.
  2666.  
  2667. á24h Thσ maximuφ erro≥ recover∙ procedure≤ availablσ arσ used«  RecovereΣ datß ì
  2668. áááááerror≤ arσ reported«  Iµ ß recovereΣ datß erro≥ occur≤ datß transfe≥ i≤ ì
  2669. áááááno⌠ terminated«   However¼ wheε thσ datß transfe≥ ha≤ completeΣ CHEC╦ ì
  2670. áááááCONDITIO╬ statu≤ i≤ reported«  Thσ sensσ ke∙ i≤ se⌠ t∩ RECOVERE─ ERROR« ì
  2671. áááááThσ informatioε byte≤ givσ thσ addres≤ oµ thσ las⌠ blocδ wherσ ß ì
  2672. ááááárecovereΣ datß erro≥ wa≤ detected«  
  2673.  
  2674. á    Iµ ß datß erro≥ occur≤ whicΦ i≤ uncorrectablσ witΦ thσ EC├ informatioε ì
  2675. áááááavailablσ oε thσ mediß datß transfe≥ i≤ terminateΣ anΣ CHEC╦ CONDITIO╬ ì
  2676. ááááástatu≤ i≤ reported« Thσ blocδ witΦ thσ erro≥ i≤ transferred« Thσ sensσ ì
  2677. áááááke∙ i≤ se⌠ t∩ MEDIU═ ERROR« Thσ informatioε byte≤ givσ thσ addres≤ oµ thσ ì
  2678. áááááblocδ wherσ thσ uncorrectablσ erro≥ wa≤ detected.
  2679.  
  2680. .pm 0
  2681. .lm 1
  2682. ==============================================================================
  2683. .aw on
  2684. .pm 3
  2685.  
  2686.  
  2687. .pm 0
  2688. .aw off
  2689. .lm 1
  2690. .cp 54è              Table 13-44: C─-RO═ Erro≥ Recover∙ Procedure≤ 25Φ ¡ 27h
  2691.  
  2692. ==============================================================================
  2693. Erro≥ Recover∙ Descriptioε   
  2694. ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡-
  2695. .aw on
  2696. .lm 6
  2697. .pm 2
  2698.  
  2699. á25h Onl∙ retrie≤ oµ thσ reaΣ operatioε anΣ CIR├ arσ useΣ (layereΣ erro≥ ì
  2700. ááááácorrectioε i≤ no⌠ used)«  RecovereΣ datß error≤ arσ reported«  Iµ ß ì
  2701. ááááárecovereΣ datß erro≥ occurs¼ datß transfe≥ i≤ no⌠ terminated«  However¼ ì
  2702. áááááwheε thσ datß transfe≥ ha≤ completeΣ CHEC╦ CONDITIO╬ statu≤ i≤ reported«  ì
  2703. áááááThσ sensσ ke∙ i≤ se⌠ t∩ RECOVERE─ ERROR« Thσ informatioε byte≤ givσ thσ ì
  2704. áááááaddres≤ oµ thσ las⌠ blocδ wherσ aε CIR├ recovereΣ datß erro≥ wa≤ ì
  2705. ááááádetected.
  2706.  
  2707. á    Iµ aε unrecovereΣ datß erro≥ occurs¼ datß transfe≥ i≤ terminateΣ anΣ ì
  2708. áááááCHEC╦ CONDITIO╬ statu≤ i≤ reported« Thσ blocδ witΦ thσ erro≥ i≤ ì
  2709. ááááátransferred« Thσ sensσ ke∙ i≤ se⌠ t∩ MEDIU═ ERROR« Thσ informatioε byte≤ ì
  2710. ááááágivσ thσ addres≤ oµ thσ blocδ wherσ thσ unrecovereΣ erro≥ wa≤ detected.
  2711.  
  2712. á26h Thσ maximuφ erro≥ recover∙ procedure≤ arσ used« RecovereΣ datß error≤ arσ ì
  2713. áááááreported«  Iµ ß recovereΣ datß erro≥ occurs¼ datß transfe≥ i≤ terminateΣ ì
  2714. áááááanΣ CHEC╦ CONDITIO╬ statu≤ i≤ reported«  Thσ blocδ witΦ thσ recovereΣ ì
  2715. áááááerro≥ i≤ transferred« Thσ sensσ ke∙ i≤ se⌠ t∩ RECOVERE─ ERROR« Thσ ì
  2716. áááááinformatioε byte≤ givσ thσ addres≤ oµ thσ blocδ wherσ thσ recovereΣ datß ì
  2717. áááááerro≥ wa≤ detected.
  2718.  
  2719. á    Iµ ß datß erro≥ occur≤ whicΦ i≤ uncorrectablσ witΦ thσ EC├ informatioε oε ì
  2720. áááááthσ media¼ datß transfe≥ i≤ terminateΣ witΦ CHEC╦ CONDITIO╬ status« Thσ ì
  2721. áááááblocδ witΦ thσ erro≥ i≤ transferred« Thσ sensσ ke∙ i≤ se⌠ t∩ MEDIU═ ì
  2722. áááááERROR« Thσ informatioε byte≤ givσ thσ addres≤ oµ thσ blocδ wherσ thσ ì
  2723. áááááuncorrectablσ erro≥ wa≤ detected.
  2724.  
  2725. á27h Onl∙ retrie≤ oµ thσ reaΣ operatioε arσ useΣ (laye≥ erro≥ correctioε i≤ ì
  2726. áááááno⌠ used)«  CIR├ recovereΣ datß error≤ arσ reported«  Iµ ß CIR├ recovereΣ ì
  2727. ááááádatß erro≥ occurs¼ datß transfe≥ i≤ terminateΣ witΦ CHEC╦ CONDITIO╬ ì
  2728. ááááástatus«  Thσ blocδ witΦ thσ recovereΣ erro≥ i≤ transferred« Thσ sensσ ke∙ ì
  2729. ááááái≤ se⌠ t∩ RECOVERE─ ERROR« Thσ informatioε byte≤ givσ thσ addres≤ oµ thσ ì
  2730. áááááblocδ wherσ thσ recovereΣ datß erro≥ wa≤ detected.
  2731.  
  2732. á    Iµ aε CIR├ unrecovereΣ datß erro≥ occurs¼ datß transfe≥ i≤ terminateΣ ì
  2733. áááááwitΦ CHEC╦ CONDITIO╬ status« Thσ blocδ witΦ thσ erro≥ i≤ transferred« Thσ ì
  2734. ááááásensσ ke∙ i≤ se⌠ t∩ MEDIU═ ERROR« Thσ informatioε byte≤ givσ thσ addres≤ ì
  2735. áááááoµ thσ blocδ wherσ thσ unrecovereΣ erro≥ wa≤ detected.
  2736.  
  2737. .pm 0
  2738. .lm 1
  2739. ==============================================================================
  2740. .pm 3
  2741. .aw on
  2742.  
  2743. .pm 0
  2744. .aw off
  2745. .cp 20è
  2746.               Table 13-45: C─-RO═ Erro≥ Recover∙ Procedure≤ 30Φ ¡ 35h
  2747.  
  2748. ==============================================================================
  2749. Erro≥ Recover∙ Descriptioε   
  2750. ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡-
  2751. .aw on
  2752. .pm 2
  2753. .lm6
  2754.  
  2755. á30h  Samσ a≤ codσ 10H.
  2756.  
  2757. á31h  Samσ a≤ codσ 11H.
  2758.  
  2759. á34h  Samσ a≤ codσ 14H.
  2760.  
  2761. á35h  Samσ a≤ codσ 15H.
  2762.  
  2763. .pm 0
  2764. .lm 1
  2765. =============================================================================
  2766.  
  2767.  
  2768. .cp 30
  2769. .pm 0
  2770. .aw off
  2771. 13.3.3.4. Verif∙ Erro≥ Recover∙ Parameters
  2772.  
  2773.                 Table 13-46: Verif∙ Erro≥ Recover∙ Parameter≤ Page
  2774.  
  2775. ==============================================================================
  2776.   Bitⁿ   ╖    ⁿ   ╢    ⁿ   ╡    ⁿ   ┤    ⁿ   │    ⁿ   ▓    ⁿ   ▒    ⁿ   ░    |
  2777. Bytσ ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        ⁿ        |
  2778. ==============================================================================
  2779.  ░   ⁿ   P╙   |Reservedⁿ                  Pagσ Codσ (07h⌐                    |
  2780. -----|-----------------------------------------------------------------------|
  2781.  ▒   ⁿ                      Paramete≥ LengtΦ (06h⌐                           |
  2782. -----|-----------------------------------------------------------------------|
  2783.  ▓   ⁿ                    Erro≥ Recover∙ Paramete≥                           |
  2784. -----|-----------------------------------------------------------------------|
  2785.  │   ⁿ                       Verify Retr∙ Coun⌠                              |
  2786. -----|-----------------------------------------------------------------------|
  2787.  ┤   ⁿ                           ReserveΣ                                    |
  2788. -----|-----------------------------------------------------------------------|
  2789.  ╡   ⁿ                           ReserveΣ                                    |
  2790. -----|-----------------------------------------------------------------------|
  2791.  ╢   ⁿ                           ReserveΣ                                    |
  2792. -----|-----------------------------------------------------------------------|
  2793.  ╖   ⁿ                           ReserveΣ                                    |
  2794. ==============================================================================
  2795. .aw on
  2796. .pm 3
  2797.  
  2798.  
  2799. .cp 2
  2800. ááThσ verif∙ erro≥ recover∙ parameter≤ pagσ (Tablσ 1│-46⌐ specifie≤ thσ erro≥ ì
  2801. recover∙ paramete≥ thσ targe⌠ shal∞ usσ durinτ verif∙ operations« 
  2802.  
  2803. .cp 4
  2804. ááThσ parameter≤ savablσ (PS⌐ bi⌠ i≤ onl∙ useΣ witΦ thσ MOD┼ SENS┼ command«  ì
  2805. Thi≤ bi⌠ i≤ reserveΣ witΦ thσ MOD┼ SELEC╘ command«  ┴ P╙ bi⌠ oµ onσ indicate≤ ì
  2806. tha⌠ thσ targe⌠ i≤ capablσ oµ savinτ thσ pagσ iε ß noε-volatilσ vendo≥-ì
  2807. specifiπ location.
  2808.  
  2809. .cp 2
  2810. ááThσ erro≥ recover∙ parameter≤ fo≥ verif∙ operation≤ arσ a≤ defineΣ b∙ thσ ì
  2811. reaΣ erro≥ recover∙ parameter≤ (seσ 13.3.3.3).
  2812. è
  2813. .cp 20
  2814. .pm 0
  2815. 13.4. Glossar∙ fo≥ C─-RO═ Devices
  2816.  
  2817. .pm1
  2818. .cp4
  2819. absolutσ ╞ field.é  Thσ suΓ-divisioε oµ thσ ╙ FielΣ par⌠ oµ thσ absolutσ ì
  2820. physica∞ addres≤ froφ thσ beginninτ oµ thσ media«  Onσ physica∞ sector«  ì
  2821. Writteε oε C─-RO═ mediß iε binar∙ codeΣ decima∞ notation«  Thσ valuσ i≤ froφ ì
  2822. 00bcΣ t∩ 74bcd« (Seσ MS╞ Address¼ Frame.⌐  
  2823.  
  2824. .cp 4
  2825. absolutσ ═ field.é  Thσ mos⌠ significan⌠ par⌠ oµ thσ absolutσ physica∞ addres≤ ì
  2826. froφ thσ beginninτ oµ thσ media« Writteε oε C─-RO═ mediß iε binar∙ codeΣ ì
  2827. decima∞ notation«  Thσ valuσ i≤ froφ 00bcΣ t∩ 74bcd«  (Seσ MS╞ Address.)
  2828.  
  2829. .cp 4
  2830. absolutσ ╙ field.é  Thσ intermediatσ significan⌠ par⌠ oµ thσ absolutσ physica∞ ì
  2831. addres≤ froφ thσ beginninτ oµ thσ media«  Writteε oε C─-RO═ mediß iε binar∙ ì
  2832. codeΣ decima∞ notation«  Thσ valuσ i≤ froφ 00bcΣ t∩ 59bcd«  (Seσ MS╞ Address.)
  2833.  
  2834. .cp 8
  2835. bcd.é  Binar∙ CodeΣ Decima∞ i≤ thσ numbe≥ systeφ useΣ oε thσ physica∞ C─-RO═ ì
  2836. anΣ C─-D┴ media«  Number≤ tha⌠ usσ thi≤ notatioε havσ thσ 'bcdº suffi° ì
  2837. attached« ┴ bytσ ha≤ tw∩ fou≥-bi⌠ value≤ eacΦ oµ whicΦ caε havσ ß valuσ froφ ░ ì
  2838. t∩ 9«  Thσ maximuφ valuσ i≤ 99bcΣ (9╣ decimal)«  Hencσ thσ maximuφ numbe≥ oµ ì
  2839. track≤ i≤ 99bcd«  
  2840.  
  2841.        Example║ 0░ 0▒ 0▓ 0│ ..« 0╕ 0╣ 1░ 1▒ ..« 1╣ 2░ 2▒ ..« 9╕ 99« 
  2842.  
  2843. .cp 4
  2844. block.é  Thσ terφ blocδ refer≤ t∩ thσ datß iε onσ logica∞ blocδ ¡ thσ numbe≥ oµ ì
  2845. byte≤ defineΣ b∙ thσ logica∞ blocδ lengtΦ iε thσ modσ blocδ descriptor.
  2846.  
  2847. .cp 14
  2848. block≤ pe≥ sector.é  Thσ numbe≥ oµ logica∞ block≤ reaΣ froφ eacΦ C─-RO═ ì
  2849. physica∞ sector« Thσ valuσ depend≤ oε thσ logica∞ blocδ LengtΦ a≤ defineΣ iε ì
  2850. thσ modσ blocδ descriptor«  Thσ valuσ fo≥ block≤ pe≥ secto≥ is:
  2851.                       ▒ iµ thσ logica∞ blocδ LengtΦ i≤ 2048¼ 
  2852.                       ▓ iµ thσ logica∞ blocδ LengtΦ i≤ 1024,
  2853.                       ┤ iµ thσ logica∞ blocδ LengtΦ i≤ 512¼ and
  2854.                       ╕ iµ thσ logica∞ blocδ LengtΦ i≤ 25╢ bytes.
  2855.        (Assuminτ ß densit∙ codσ oµ ▒ ¡ 204╕ byte≤ oµ datß pe≥ sector.)
  2856.  
  2857. .cp 4
  2858. C─-DA.é  Compac⌠ Disπ ¡ Digita∞ Audio«  Thσ standardizeΣ mediß fo≥ recordinτ ì
  2859. digita∞ audi∩ information«  Thσ 'ReΣ Bookº define≤ C─-D┴ media.
  2860.  
  2861. .cp 8
  2862. C─-ROM.é  Compac⌠ Disπ ¡ ReaΣ Onl∙ Memory«  C─-RO═ i≤ ß standardizeΣ mediuφ fo≥ ì
  2863. recordinτ digitizeΣ audi∩ anΣ digita∞ data«   C─-RO═ i≤ useΣ t∩ describσ mediß ì
  2864. witΦ digita∞ datß rathe≥ thaε disc≤ whicΦ encodσ audi∩ only«  Thσ 'Yello≈ ì
  2865. Bookº define≤ C─-RO═ media.
  2866.  
  2867. .cp 4
  2868. C─-RO═ contro∞ field.é  ┴ fou≥ bi⌠ fielΣ iε thσ ╤ suΓ-channe∞ datß indicatinτ ì
  2869. thσ typσ oµ informatioε encodeΣ oε thσ curren⌠ track«  Indicate≤ audi∩ versu≤ ì
  2870. datß anΣ thσ typσ oµ audi∩ encoding¼ etc«  Thσ contro∞ fielΣ i≤ als∩ founΣ iε ì
  2871. thσ Tablσ oµ Content≤ entries«  Seσ Tablσ 1│-22.
  2872.  
  2873. .cp 4
  2874. C─-RO═ datß mode.é  ┴ bytσ iε thσ heade≥ oµ C─-RO═ datß sectors«  Thi≤ ì
  2875. indicate≤ iµ datß i≤ presen⌠ anΣ iµ layereΣ erro≥ correctioε informatioε i≤ ì
  2876. present«  Seσ Tablσ 1│-16.
  2877.  
  2878. .cp 4èCIRC.é  Cros≤ InterleaveΣ ReeΣ-Solomoε Code«  Thσ erro≥ detectioε anΣ ì
  2879. correctioε techniquσ useΣ withiε smal∞ frame≤ oµ audi∩ o≥ data«  Thσ CIR├ ì
  2880. byte≤ arσ presen⌠ iε al∞ C─-RO═ Datß Modes«  Thσ erro≥ correctioε procedurσ ì
  2881. whicΦ use≤ thσ CIR├ byte≤ i≤ referreΣ t∩ a≤ thσ CIR├ baseΣ algorithm«  Iε mos⌠ ì
  2882. C─-RO═ drives¼ thi≤ functioε i≤ implementeΣ iε hardware«  
  2883.  
  2884. .cp 4
  2885. frame.é  ┴ physica∞ secto≥ oε C─-RO═ media«  Als∩ thσ ╞ fielΣ uni⌠ oµ ß MS╞ C─-ì
  2886. RO═ address«  Thσ terφ framσ i≤ als∩ useΣ iε thσ C─-RO═ mode∞ t∩ describσ thσ ì
  2887. amoun⌠ oµ datß receiveΣ betweeε synchronizatioε patterns« 9╕ oµ thesσ frame≤ ì
  2888. makσ ß sector«  Thi≤ sor⌠ oµ framσ i≤ referreΣ t∩ a≤ 'smal∞ framesº wherσ thσ ì
  2889. meaninτ i≤ no⌠ clea≥ froφ context.
  2890.  
  2891. .cp 4
  2892. holΣ tracδ state.é  Wheε ß C─-RO═ devicσ enter≤ thσ holΣ tracδ statσ thσ ì
  2893. optica∞ picδ-u≡ i≤ maintaineΣ a⌠ aε approximatel∙ constan⌠ positioε oε thσ ì
  2894. media«  Thi≤ allow≤ ß pauseΣ operatioε t∩ bσ resumeΣ withou⌠ latenc∙ duσ t∩ ì
  2895. seeking«  Rotationa∞ latenc∙ ma∙ bσ incurred¼ however.
  2896.  
  2897. .cp 4
  2898. index.é  Inde° Number«  Aε inde° i≤ ß subdivisioε oµ ß C─-RO═ track«  ┴ tracδ ì
  2899. caε havσ froφ ▒ t∩ 9╣ inde° numbers«  Inde° number≤ withiε ß tracδ arσ ì
  2900. sequentia∞ startinτ witΦ 1« 
  2901.  
  2902. .cp 4
  2903. leaΣ-iε area.é  Thσ areß oε ß C─-RO═ disπ prio≥ t∩ tracδ one«  Thσ maiε channe∞ ì
  2904. iε thσ leaΣ-iε areß contain≤ audi∩ o≥ datß nul∞ information«  Thi≤ areß i≤ ì
  2905. codeΣ a≤ tracδ zer∩ bu⌠ i≤ no⌠ addressablσ viß thσ SCS╔ commanΣ set«  Thσ ╤ ì
  2906. suΓ-channe∞ iε thi≤ areß i≤ codeΣ witΦ thσ tablσ oµ content≤ information.
  2907.  
  2908. .cp 4
  2909. leaΣ-ou⌠ area.é  Thσ areß oε ß C─-RO═ disπ beyonΣ thσ las⌠ informatioε track«  ì
  2910. Thσ maiε channe∞ iε thσ leaΣ-ou⌠ areß contain≤ audi∩ o≥ datß nul∞ information«  ì
  2911. Thi≤ areß i≤ codeΣ a≤ tracδ AAbcΣ bu⌠ i≤ no⌠ addressablσ viß thσ SCS╔ commanΣ ì
  2912. set«  Thσ REA─ C─-RO═ CAPACIT┘ datß i≤ thσ firs⌠ logica∞ blocδ addres≤ oµ thi≤ ì
  2913. areß minu≤ one.
  2914.  
  2915. .cp 4
  2916. ╠-EC.é  LayereΣ Erro≥ Correction«  Thσ erro≥ correctioε techniquσ useΣ witΦ C─-ì
  2917. RO═ Datß Modσ onσ sectors«  Iε sucΦ sectors¼ 27╢ byte≤ oµ thσ auxiliar∙ datß ì
  2918. fielΣ contaiε ╠-E├ bytes«  Thσ algorithφ whicΦ use≤ thesσ byte≤ t∩ perforφ ì
  2919. erro≥ correctioε i≤ ofteε implementeΣ iε thσ drivσ firmware« 
  2920.  
  2921. .cp 4
  2922. MS╞ Address.é   ═ FielΣ » ╙ FielΣ » ╞ Field«  Thσ physica∞ addres≤ writteε oε ì
  2923. C─-RO═ discs«  ExpresseΣ a≤ ß secto≥ coun⌠ relativσ t∩ eithe≥ thσ beginninτ oµ ì
  2924. thσ mediuφ (absolute⌐ o≥ t∩ thσ beginninτ oµ thσ curren⌠ tracδ (relative)« A≤ ì
  2925. defineΣ b∙ thσ C─-D┴ anΣ C─-RO═ standards¼ eacΦ ╞ fielΣ uni⌠ i≤ onσ physica∞ ì
  2926. sector╗ eacΦ ╙ fielΣ uni⌠ i≤ 7╡ ╞ fielΣ units╗ eacΦ ═ fielΣ uni⌠ i≤ 6░ ╙ fielΣ ì
  2927. units«  ValiΣ content≤ oµ ╞ field≤ arσ binar∙ value≤ froφ ░ througΦ 74«  ValiΣ ì
  2928. content≤ oµ ╙ field≤ arσ binar∙ value≤ froφ ░ througΦ 59«  ValiΣ content≤ oµ ═ ì
  2929. field≤ arσ binar∙ value≤ froφ ░ througΦ 74« 
  2930.  
  2931. .cp 4
  2932. outpu⌠ port.é  ┴ mean≤ fo≥ connectinτ thσ audi∩ signa∞ beinτ playeΣ t∩ ì
  2933. equipmen⌠ outsidσ thσ C─-RO═ device.
  2934.  
  2935. .cp 4
  2936. pausσ area.é  ┴ transitioε areß a⌠ thσ beginninτ o≥ enΣ oµ aε audi∩ tracδ ì
  2937. encodeΣ witΦ audi∩ silence«  Thi≤ transitioε areß i≤ requireΣ wherσ thσ audi∩ ì
  2938. tracδ immediatel∙ precede≤ ß datß track.
  2939.  
  2940. .cp 4èpos⌠-ga≡ area.é  ┴ transitioε areß a⌠ thσ enΣ oµ ß datß tracδ encodeΣ witΦ nul∞ ì
  2941. information«  Thi≤ transitioε areß i≤ requireΣ wherσ thσ datß tracδ ì
  2942. immediatel∙ precede≤ aε audi∩ track.
  2943.  
  2944. .cp 4
  2945. prσ-ga≡ area.é  ┴ transitioε areß a⌠ thσ beginninτ oµ ß datß tracδ encodeΣ witΦ ì
  2946. nul∞ information«  Thi≤ transitioε areß i≤ requireΣ wherσ thσ datß tracδ ì
  2947. immediatel∙ follow≤ aε audi∩ track.
  2948.  
  2949. .cp4
  2950. ReΣ Book.é  Compac⌠ disπ digita∞ audi∩ (C─-DA⌐ mediß standard« Define≤ thσ ì
  2951. mediß format≤ anΣ facilitie≤ t∩ suppor⌠ thσ recordinτ oµ digitizeΣ audi∩ ì
  2952. information.
  2953.  
  2954. .cp4
  2955. relativσ ╞ field.é  Thσ suΓ-divisioε oµ thσ ╙ fielΣ par⌠ oµ thσ relativσ ì
  2956. physica∞ addres≤ froφ thσ beginninτ oµ thσ curren⌠ track«  Onσ physica∞ ì
  2957. sector«  Writteε oε C─-RO═ mediuφ iε binar∙ codeΣ decima∞ notation«  Thσ valuσ ì
  2958. i≤ froφ 00bcΣ t∩ 74bcd«  (Seσ MS╞ Address¼ Frame.⌐  
  2959.  
  2960. .cp 4
  2961. relativσ ═ field.é  Thσ mos⌠ significan⌠ par⌠ oµ thσ relativσ physica∞ addres≤ ì
  2962. froφ thσ beginninτ oµ thσ curren⌠ track«  Writteε oε C─-RO═ mediß iε binar∙ ì
  2963. codeΣ decima∞ notation«  Thσ valuσ i≤ froφ 00bcΣ t∩ 74bcd«  (Seσ MS╞ Address.)
  2964.  
  2965. .cp 4
  2966. relativσ ╙ field.é  Thσ intermediatσ significan⌠ par⌠ oµ thσ relativσ physica∞ ì
  2967. addres≤ froφ thσ beginninτ oµ thσ curren⌠ track«  Writteε oε C─-RO═ mediuφ iε ì
  2968. binar∙ codeΣ decima∞ notation«  Thσ valuσ i≤ froφ 00bcΣ t∩ 59bcd«  (Seσ MS╞ ì
  2969. Address.)
  2970.  
  2971. .cp 4
  2972. sector.é  Refer≤ t∩ thσ datß containeΣ durinτ onσ framσ time«  (Oε C─-D┴ mediuφ ì
  2973. witΦ tw∩ channel≤ oµ audi∩ thi≤ i≤ 1/75tΦ oµ ß second)«  Iε thσ C─-RO═ ì
  2974. standarΣ documen⌠ thσ terφ blocδ i≤ useΣ fo≥ thi≤ unit«  Therσ ma∙ bσ morσ ì
  2975. thaε onσ logica∞ blocδ pe≥ sector«  Similarly¼ ß singlσ logica∞ blocδ ma∙ ma≡ ì
  2976. t∩ multiplσ sectors.
  2977.  
  2978. .cp 4
  2979. suΓ-channel.é  C─-RO═ anΣ C─-D┴ mediß havσ ß maiε channe∞ anΣ ß suΓ-channel«  ì
  2980. Thσ suΓ-channe∞ areß ha≤ eigh⌠ part≤ calleΣ P¼ Q¼ R¼ S¼ T¼ U¼ V¼ anΣ W«  Thσ ì
  2981. ╤-suΓ-channe∞ contain≤ informatioε usefu∞ t∩ thσ controlle≥ anΣ drive¼ sucΦ a≤ ì
  2982. thσ contro∞ fielΣ anΣ MS╞ addresses«  Thσ datß ratσ oµ eacΦ suΓ-channe∞ (P¼ Q¼ ì
  2983. etc.⌐ i≤ 1/192nΣ oµ tha⌠ oµ thσ maiε channel.
  2984.  
  2985. .cp 4
  2986. TOC.é  Thσ tablσ oµ content≤ ha≤ informatioε oε thσ typσ oµ disπ anΣ thσ ì
  2987. startinτ addres≤ oµ thσ tracks«  Thi≤ informatioε i≤ encodeΣ iε thσ ╤ suΓ-ì
  2988. channel«  
  2989.  
  2990. .cp 4
  2991. track.é  Tracδ Number«  ┴ tracδ i≤ ß suΓ-divisioε oµ thσ C─-RO═ media« ┴ disπ ì
  2992. ha≤ froφ onσ t∩ ninet∙-ninσ tracks«  Thσ datß withiε ß tracδ i≤ alway≤ oµ thσ ì
  2993. samσ type«  ┴ tracδ caε contaiε bσ eithe≥ C─-RO═ o≥ C─-Audio«  ┴ disπ caε ì
  2994. star⌠ a⌠ an∙ tracδ number.
  2995.  
  2996. .cp 4
  2997. tracδ relativσ logica∞ address.é  Aε offse⌠ froφ thσ beginninτ oµ thσ recordeΣ ì
  2998. informatioε oε ß tracδ expresseΣ iε unit≤ oµ thσ logica∞ blocδ length«  Thσ ì
  2999. valuσ i≤ useΣ t∩ addres≤ logica∞ block≤ relativσ t∩ thσ beginninτ oµ ß tracδ ì
  3000. usinτ thσ relativσ MS╞ addres≤ encodeΣ iε thσ C─-RO═ ╤ suΓ-channel.
  3001.  
  3002. .cp 5ètransitioε area.é  Sector≤ a⌠ thσ beginninτ o≥ enΣ oµ track≤ codeΣ witΦ nul∞ ì
  3003. information«  Wherσ requireΣ b∙ thσ mediß standards¼ thesσ area≤ havσ minimuφ ì
  3004. length≤ oµ ▒ o≥ ▓ seconds«  Thσ maximuφ length≤ arσ no⌠ specified«  Transitioε ì
  3005. area≤ a⌠ thσ beginninτ oµ ß tracδ arσ encodeΣ witΦ Inde° zero«  Addresse≤ ì
  3006. withiε transitioε area≤ ma∙ no⌠ bσ read.
  3007.  
  3008. .cp4
  3009. Yello≈ Book.é  ┴ standarΣ (IE├ 108⌐ whicΦ define≤ C─-RO═ media« Thσ Yello≈ Booδ ì
  3010. define≤ thσ mediß format≤ anΣ facilitie≤ tha⌠ suppor⌠ thσ recordinτ oµ digita∞ ì
  3011. datß oε Compac⌠ Disπ media« 
  3012.  
  3013. .. end of section
  3014. .paè