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  1.                        EDITIN╟ TH┼ CP/═ OPERATIN╟ SYSTEM
  2.  
  3.                                File║ SYSTEM.TXT
  4.  
  5.                                       By
  6.                               Walte≥ E« Pfiester
  7.                               ▒ Skaddeε  Terrace
  8.                               Tully¼ N« Y« 13159
  9.  
  10. INTRODUCTION
  11.   Editing¼á changinτá anΣ operatinτ oε you≥ CP/═ operatinτ systeφ caε bσ ß rea∞ ì
  12. hasslσ usinτ "DDT.COMó o≥ "XMAN.COM"«á Thesσ machinσ codσ editor≤ worδ directl∙ ì
  13. oεá thσ systeφ tracks«á I⌠ i≤ mucΦ easie≥ t∩ worδ oε thesσ track≤ iµá the∙á arσ ì
  14. saveΣá a≤á ßá filσ first«á Thi≤ articlσ wil∞ detai∞ ho≈ t∩ savσá thσá operatinτ ì
  15. systeφ track≤ a≤ ß filσ anΣ later¼ afte≥ editinτ o≥ changinτ thi≤ file¼ placinτ ì
  16. thi≤á filσ bacδ oε thσ disδ iε thσ prope≥ locatioε fo≥ usσ a≤ you≥ ne≈á versioε ì
  17. oµ CP/M.
  18.  
  19. SAVIN╟ TH┼ OPERATIN╟ SYSTE═ A╙ ┴ FILE
  20.   Yo⌡á wil∞ havσ t∩ havσ "MOVCPM.COMó anΣ "SYSGEN.COMó oε thσ disδ yo⌡ wan⌠á t∩ ì
  21. operatσá on«á Iε addition¼á ╔ finΣ i⌠ usefu∞ t∩ havσ "SD.COMó (o≥ thσá enhanceΣ ì
  22. version¼á "S.COM"¼ "STAT.COM"¼ anΣ "EDFILE.COMó oε thσ samσ disk« Thσ firs⌠ tw∩ ì
  23. file≤á arσ useΣ t∩ measurσ thσ sizσ oµ thσ files«á Thσ late≥ filσ i≤ ßá machinσ ì
  24. codσ editor¼á iε thσ publiπ domaiε useΣ t∩ dum≡ anΣ edit¼ ful∞ screen¼ an∙ filσ ì
  25. usinτ HE╪ format≤ O╥ ASCI╔ codes« I⌠ i≤ no⌠ thσ inten⌠ oµ thi≤ articlσ t∩ delvσ ì
  26. iεá t∩á thσ usσ oµ "EDFILE.COM"«á Tha⌠ caε bσ bes⌠ handleΣ b∙á downloadinτá thσ ì
  27. "EDFILE.DOCó filσ froφ you≥ RCP/═ library«  
  28.  
  29.   Thσ firs⌠ thinτ tha⌠ yo⌡ mus⌠ d∩ i≤ t∩ measurσ thσ size¼ iε hexadecima∞ page≤ ì
  30. oµ memory¼ you≥ operatinτ system« Thσ easies⌠ wa∙ t∩ d∩ tha⌠ i≤ t∩ type:
  31.  
  32.      A>movcpφ 6│ *
  33.  
  34.   Fo≥á ou≥á purpose≤á herσ wσ wan⌠ t∩ finΣ ou⌠ ho≈ man∙á page≤á oµá memor∙á arσ ì
  35. requireΣ fo≥ ß 63╦ CP/═ system«á Iµ yo⌡ arσ usinτ ß 64╦ systeφ theε typσ movcpφ ì
  36. 6┤á *«á  Fo≥á thi≤ articlσ ╔ wil∞ usσ ß 63╦ CP/═ system«á  A≤ ß resul⌠á oµá thσ ì
  37. commanΣ above¼ Wha⌠ result≤ i≤ a≤ follows:
  38.  
  39.      CONSTRUCTIN╟ 63δ CP/═ ver≤ 2.2
  40.      READ┘ FO╥ "SYSGENó OR
  41.      "SAV┼ 3┤ CPM63.COM"
  42.             |
  43.             +-------╛ Thi≤ i≤ thσ numbe≥ wσ want!
  44.  
  45.   Thσ 6│ abovσ designate≤ thσ operatinτ systeφ size« Iµ yo⌡ arσ goinτ t∩ changσ ì
  46. thσá sizσ oµ thσ systeφ fo≥ late≥ editing¼á recompilinτ o≥ whatever¼á typσá thσ ì
  47. sizσ iε placσ oµ 64¼ iσ MOVCP═ 5╡ *.
  48.  
  49.   Thσá importan⌠á thinτ herσ i≤ t∩ righ⌠ dowε thσ numbe≥ afte≥ thσá worΣá SAVE« ì
  50. Wha⌠á MOVCP═á ha≤ donσ fo≥ u≤ i≤ automaticall∙ calculatσ thσ amoun⌠á oµá memor∙ ì
  51. requireΣ t∩ savσ thσ CP/═ imagσ a≤ ß file« Yo⌡ arσ donσ usinτ "MOVCPM.COM".
  52.  
  53.   No≈á typσ "SYSGEN"«á Iε responsσ t∩ thσ questioε SOURCE¼á typσ ßá <CR>«á Wheε ì
  54. prompteΣ a≤ t∩ thσ destination¼á typσ anothe≥ <CR>«á You≥ entirσ CP/═ operatinτ ì
  55. systeφ i≤ no≈ iε RAM¼ startinτ a⌠ 100h« T∩ savσ thi≤ imagσ a≤ ß filσ typσ "SAV┼ ìè3┤á CPM63.NEW"«á 3┤á i≤ thσ numbe≥ oµ hexadecima∞ page≤ tha⌠ yo⌡ camσá u≡á witΦ ì
  56. abovσá witΦá MOVCPM.CO═ above«á  CPM63.NE╫ i≤ thσ filσ namσ giveε t∩á savσá thσ ì
  57. systeφ imagσ as«á I⌠ coulΣ jus⌠ a≤ easil∙ bσ nameΣ anythingí  I⌠ shoulΣ als∩ bσ ì
  58. noteΣá a⌠á thi≤á timσá tha⌠ thσ operatinτ systeφ saveΣ ha≤ ZCP╥á oεá i⌠á (micr∩ ì
  59. Cornucopia'≤ version⌐ anΣ i⌠ wa≤ createΣ usinτ instruction≤ oε thei≥ disδ K22.
  60.  
  61. EDITIN╟ AN─ USIN╟ TH┼ NE╫ (SYSTEM⌐ FILE
  62.   No≈ thσ filσ "CPM63.SYSó caε bσ edited¼á changed¼á whatever«á ╔ routinel∙ usσ ì
  63. "EDFILEó t∩ edi⌠ machinσ code«á  I⌠ i≤ ß ful∞ screeε edito≥ tha⌠ caε bσ useΣ iε ì
  64. botΦá thσá ASCI╔ anΣ He° field«á  Beside≤ which¼á i⌠ i≤ onσ oµ thσá bes⌠á FREE¼ ì
  65. publiπ domaiε piece≤ oµ softwareí  
  66.  
  67. USIN╟ EDFILE
  68.   A≤ aε examplσ iε usinτ thi≤ powerfu∞ tool¼ ╔ wil∞ changσ thσ logoε messagσ oε ì
  69. colΣ boo⌠ t∩ somethinτ morσ meaningful∞ than:
  70.  
  71.                   KAYPR╧ I╔ 63δ CP/═ vers« 2.▓ 
  72.  
  73.                                to
  74.  
  75.                        63╦ ZCPR-▓ 9/20/84
  76.                        882- 2.2
  77.  
  78.   Iεá additioε ╔ wil∞ sho≈ yo⌡ ho≈ t∩ edi⌠ thσ operatinτ systeφ t∩á autoloaΣá ß ì
  79. filσ oε colΣ boot.
  80.  
  81.  
  82.   Thσ filσ we'l∞ bσ editinτ i≤ CPM63.NE╫ createΣ above«á  T∩ edi⌠ usinτ EDFILE¼ ì
  83. typσ thσ following║ "EDFIL┼ CPM63.NEWó  Wha⌠ wil∞ resul⌠ i≤ a≤ showε below:
  84.  
  85. A0>EDFIL┼ B:CPM63.SYS
  86.  
  87. Vers║ 01-10-84╗ by║ J.C.Kaltwasse≥ ª M.J.Mosko¼ K3RL
  88. File║ B:CPM63.SY╙  Record║ 0000░ (0000H⌐   LOF║ 0006╕ (0044H)
  89.         0░ 0▒ 0▓ 0│ 0┤ 0╡ 0╢ 0╖ 0╕ 0╣ 0┴ 0┬ 0├ 0─ 0┼ 0╞       0123456789ABCDEF
  90.         -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --       ----------------
  91. 000░  - C│ 3┼ 0▓ 4│ 4╞ 5░ 5╣ 5▓ 4╣ 4╖ 4╕ 5┤ 2░ 2╕ 4│ 2╣      >C>.COPYRIGH╘ (C)<
  92. 001░  - 2░ 3▒ 3╣ 3╖ 3╕ 2├ 2░ 4┤ 4╣ 4╖ 4╣ 5┤ 4▒ 4├ 2░ 5▓      ╛ 1978¼ DIGITA╠ R<
  93. 002░  - 4╡ 5│ 4╡ 4▒ 5▓ 4│ 4╕ 2░ 5░ 6╞ 7▓ 7┤ 6╣ 6╞ 6┼ 7│      >ESEARC╚ Portions<
  94. 003░  - 2░ 2╕ 4│ 2╣ 2░ 3▒ 3╣ 3╕ 3▓ 2├ 2░ 4┼ 4├ 5│ 6╞ 2╢      ╛ (C⌐ 1982¼ NLSo&<
  95. 004░  - 0░ 2╣ 2╣ 2╣ 2╣ 2╣ 2╣ 2╣ C╣ 0┼ 0▒ C─ 0╡ 0░ F┼ 6▒      >.)))))))I..M..~a<
  96. 005░  - D╕ F┼ 7┬ D░ E╢ 5╞ C╣ 5╞ 0┼ 0▓ C─ 0╡ 0░ C╣ 3┼ 0─      >X~{Pf_I_..M..I>.<
  97. 006░  - C─ 5╖ 0▒ 3┼ 0┴ C─ 5╖ 0▒ C╣ E╡ C─ 5┼ 0▒ E▒ 7┼ B╖      >MW.>.MW.IeM^.a~7<
  98. 007░  - C╕ E╡ C─ 5╖ 0▒ E▒ 2│ C│ 6┼ 0▒ 4╞ 2┴ 0▒ 0░ 1▒ 1╕      >HeMW.a#Cn.O*....<
  99. ?SearcΦ Strinτ ╜ \KAYPR╧ II\
  100.  
  101.   A⌠á thσá promp⌠ above¼á typσ aε "S"«á  EDFIL┼ wil∞ asδ yo⌡ fo≥ thσ strinτá t∩ ì
  102. searcΦá on«á  Wha⌠ wσ arσ doing¼á i≤ searchinτ fo≥ aε ASCI╔ strinτ (EDFIL┼á caε ì
  103. als∩á searcΦá fo≥ ß HE╪ string)«á  Repl∙ witΦ ß backslasΦ "\óá anΣá thσá strinτ ì
  104. itselµ followeΣ b∙ anothe≥ backslash¼á a≤ showε above«  Edfilσ wil∞ theε locatσ ì
  105. thσ strinτ a≤ showε belo≈ a⌠ addres≤ 1EE0«  Thi≤ i≤ thσ beginninτ oµ thσ loτ oε ì
  106. messagσ wσ arσ goinτ t∩ change.
  107.  
  108. File║ B:CPM63.SY╙  Record║ 0006▒ (003DH⌐   LOF║ 0006╕ (0044H)
  109.         0░ 0▒ 0▓ 0│ 0┤ 0╡ 0╢ 0╖ 0╕ 0╣ 0┴ 0┬ 0├ 0─ 0┼ 0╞       0123456789ABCDEF
  110. è        -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --       ----------------
  111. 1E8░  - C│ 4╕ F┴ C│ 9╣ F┴ C│ F│ F┴ C│ 0╣ F┬ C│ 2╞ F┬ C│      >CHzC.zCszC.{C/{C<
  112. 1E9░  - 4╕ F┬ C│ 4│ F┬ C│ 3┼ F┬ C│ 7├ F┬ C│ 8░ F┬ C│ 8┤      >H{CC{C>{C|{C.{C.<
  113. 1EA░  - F┬ C│ 8╕ F┬ C│ 8├ F┬ C│ 9░ F┬ C│ 9╕ F┬ C│ 6╡ F┬      >{C.{C.{C.{C.{Ce{<
  114. 1EB░  - C│ A╕ F┬ 8▒ 0░ 0┬ 0┴ 0╕ 0├ 3░ 3▒ 3▓ 3│ 3┤ 3╡ 3╢      >C({......0123456<
  115. 1EC░  - 3╖ 3╕ 3╣ 2─ 2├ 0─ 2┼ 0╡ C─ 7╕ F┬ A╞ 3▓ 0┤ 0░ 3┴      >789-,...Mx{/2..:<
  116. 1ED░  - 3│ F┴ 3▓ 0│ 0░ 3┴ 4╖ F┴ D│ 0░ C─ C╞ F┬ 1┴ 0─ 0┴      >3z2..:GzS.MO{...<
  117. 1EE░  - 4┬ 4▒ 5╣ 5░ 5▓ 4╞ 2░ 4╣ 4╣ 2░ 3╢ 3┤ 6┬ 2░ 4│ 5░      >KAYPR╧ I╔ 64δ CP<
  118. 1EF░  - 2╞ 4─ 2░ 7╢ 6╡ 7▓ 7│ 2░ 3▓ 2┼ 3▓ 0─ 0┴ 0░ 3┼ C│      >/═ ver≤ 2.2...>C<
  119.  
  120.   Typσ <CTRL╛ E«  Thi≤ wil∞ placσ you≥ curso≥ iε thσ HE╪ field«  T∩ movσ about¼ ì
  121. usσá thσá arro≈ keys«á  T∩ changσ t∩ thσ ASCI╔ field¼á typσ anothe≥á <CTRL╛á E«  ì
  122. Again¼á thσá arro≈ key≤ wil∞ movσ yo⌡ abou⌠ thi≤ field«á  T∩ edi⌠ thσá message¼ ì
  123. typσá ove≥ thσ messagσ alread∙ there«á  Remember¼á thσ carriagσ returε anΣ linσ ì
  124. feeΣá caε no⌠ bσ editiσ iε thσ ASCI╔ field¼á the∙ neeΣ t∩ bσ addeΣ iεá thσá HE╪ ì
  125. field«á  No≈ tha⌠ yo⌡ havσ ß ne≈ loτ iε message¼á let≤ savσ i⌠ t∩ disk«  First¼ ì
  126. typσ ß <CTRL╛ W«á  Thi≤ wil∞ writσ al∞ you≥ change≤ ou⌠ t∩ RA═ anΣ placσ yo⌡ a⌠ ì
  127. EDFILE'≤ commanΣ level«á  T∩ writσ thσ change≤ t∩ disδ anΣ returε t∩ CP/M¼ typσ ì
  128. ß "Qó (fo≥ QUIT)«  You≥ arσ done!
  129.  
  130.   Yo⌡ havσ ß ne≈ filσ t∩ loaΣ iε placσ oµ you≥ olΣ CP/═ operatinτ system«  Oncσ ì
  131. yo⌡ havσ completeΣ changinτ thi≤ file¼á placinτ i⌠ bacδ iε thσ correc⌠ locatioε ì
  132. oε disδ i≤ ver∙ easy«á Typσ SYSGE╬ CPM63.SY╙ <cr>«á Thσ promp⌠ wil∞ asδ yo⌡ fo≥ ì
  133. thσ drivσ t∩ placσ thσ systeφ imagσ to« Typσ ┴ (o≥ ┬ o≥ whateve≥ drivσ yo⌡ wan⌠ ì
  134. i⌠ t∩ g∩ to).
  135.  
  136.    A>SYSGE╬ CPM63.NE╫ 
  137.  
  138.    KAYPR╧ SYSGE╬ VE╥ 2.2
  139.    DESTINATIO╬ DRIV┼ NAM┼ (O╥ RETUR╬ T╧ REBOOT)Γ <------TYP┼ THIS
  140.    DESTINATIO╬ O╬ b¼ THE╬ TYP┼ RETUR╬ <cr╛ <------------TYP┼ THIS
  141.  
  142.    FUNCTIO╬ COMPLETE
  143.    DESTINATIO╬ DRIV┼ NAM┼ (O╥ RETUR╬ T╧ REBOOT⌐ <cr╛ <--TYP┼ THIS
  144.  
  145.   That'≤á al∞ therσ i≤ t∩ it«á Thσ nex⌠ timσ yo⌡ boo⌠ ofµ thσ drivσ you'l∞ havσ ì
  146. you≥ ne≈ systeφ imagσ oε i⌠ witΦ thσ ne≈ loτ iε message.
  147.  
  148.   Let≤ d∩ thi≤ again¼á iε additioε t∩ thσ ne≈ loτ iε message¼á havσ thσá systeφ ì
  149. autoloaΣá "╙ $AL"«á  "Só i≤ ß modifieΣ versioε oµ "SD-92ó tha⌠ ╔ havσ modified«  ì
  150. Thσ $A╠ commanΣ tai∞ wil∞ loδ a⌠ al∞ use≥ areas¼á anΣ lis⌠ thσ director∙ oµ al∞ ì
  151. libraries«  No≈ let≤ modif∙ thσ operatinτ system¼ again.
  152.  
  153.   Thi≤ time¼ usσ thσ ASCI╔ searcΦ agaiε onl∙ looδ fo≥ thσ worΣ "COPYRIGHT":
  154.  
  155. File║ B:CPM63.SY╙  Record║ 0001╖ (0011H⌐   LOF║ 0006╕ (0044H)
  156.         0░ 0▒ 0▓ 0│ 0┤ 0╡ 0╢ 0╖ 0╕ 0╣ 0┴ 0┬ 0├ 0─ 0┼ 0╞       0123456789ABCDEF
  157.         -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --       ----------------
  158. 088░  - C│ 5├ E╖ C│ 5╕ E╖ 7╞ 0░ 2░ 2░ 2░ 2░ 2░ 2░ 2░ 2░      >C\gCXg«        <
  159. 089░  - 2░ 2░ 2░ 2░ 2░ 2░ 2░ 2░ 4│ 4╞ 5░ 5╣ 5▓ 4╣ 4╖ 4╕      ╛        COPYRIGH<
  160. 08A░  - 5┤ 2░ 2╕ 4│ 2╣ 2░ 3▒ 3╣ 3╖ 3╣ 2├ 2░ 4┤ 4╣ 4╖ 4╣      >╘ (C⌐ 1979¼ DIGI<
  161. 08B░  - 5┤ 4▒ 4├ 2░ 5▓ 4╡ 5│ 4╡ 4▒ 5▓ 4│ 4╕ 2░ 2░ 0░ 0░      >TA╠ RESEARC╚  ..<
  162. 08C░  - 0░ 0░ 0░ 0░ 0░ 0░ 0░ 0░ 0░ 0░ 0░ 0░ 0░ 0░ 0░ 0░      >................<
  163. 08D░  - 0░ 0░ 0░ 0░ 0░ 0░ 0░ 0░ 0░ 0░ 0░ 0░ 0░ 0░ 0░ 0░      >................<
  164. 08E░  - 0░ 0░ 0░ 0░ 0░ 0░ 0░ 0░ 0░ 0░ 0░ 0░ 0░ 0░ 0░ 0░      >................<
  165. è08F░  - 0░ 0░ 0░ 0░ 0░ 0░ 0░ 0░ 0░ 0░ 0░ 0░ 0░ 0░ 0░ 0░      >................<
  166.  
  167.   Notσá thσ patterε oµ HE╪ 20'≤ above«á  A⌠ locatioε 088╖ (no≈ 00h⌐á placσá thσ ì
  168. numbe≥ oµ HE╪ byte≤ thσ commanΣ linσ wil∞ contain¼ iε thi≤ case¼ 5« A⌠ locatioε ì
  169. 088╕ star⌠ thσ actua∞ command«  Thσ resul⌠ i≤ a≤ showε below:
  170.  
  171.  
  172. File║ B:CPM63.SY╙  Record║ 0001╖ (0011H⌐   LOF║ 0006╕ (0044H)
  173.         0░ 0▒ 0▓ 0│ 0┤ 0╡ 0╢ 0╖ 0╕ 0╣ 0┴ 0┬ 0├ 0─ 0┼ 0╞       0123456789ABCDEF
  174.         -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --       ----------------
  175. 088░  - C│ 5├ E╖ C│ 5╕ E╖ 7╞ 0╡ 5│ 2░ 2┤ 4▒ 4├ 2░ 2░ 2░      >C\gCXg.╙ $A╠   <
  176. 089░  - 2░ 2░ 2░ 2░ 2░ 2░ 2░ 2░ 4│ 4╞ 5░ 5╣ 5▓ 4╣ 4╖ 4╕      ╛        COPYRIGH<
  177. 08A░  - 5┤ 2░ 2╕ 4│ 2╣ 2░ 3▒ 3╣ 3╖ 3╣ 2├ 2░ 4┤ 4╣ 4╖ 4╣      >╘ (C⌐ 1979¼ DIGI<
  178. 08B░  - 5┤ 4▒ 4├ 2░ 5▓ 4╡ 5│ 4╡ 4▒ 5▓ 4│ 4╕ 2░ 2░ 0░ 0░      >TA╠ RESEARC╚  ..<
  179. 08C░  - 0░ 0░ 0░ 0░ 0░ 0░ 0░ 0░ 0░ 0░ 0░ 0░ 0░ 0░ 0░ 0░      >................<
  180. 08D░  - 0░ 0░ 0░ 0░ 0░ 0░ 0░ 0░ 0░ 0░ 0░ 0░ 0░ 0░ 0░ 0░      >................<
  181. 08E░  - 0░ 0░ 0░ 0░ 0░ 0░ 0░ 0░ 0░ 0░ 0░ 0░ 0░ 0░ 0░ 0░      >................<
  182. 08F░  - 0░ 0░ 0░ 0░ 0░ 0░ 0░ 0░ 0░ 0░ 0░ 0░ 0░ 0░ 0░ 0░      >................<
  183.  
  184.   Savσá thi≤ filσ again¼á anΣ pu⌠ i⌠ iε placσ oµ you≥ systeφ tracks«á  No≈á thσ ì
  185. nex⌠á timσ yo⌡ colΣ boot¼á thσ loτ iε messagσ wil∞ bσ meaningful∞ anΣ yo⌡á wil∞ ì
  186. automaticall∙ ruε "╙ $AL".
  187.  
  188. SUMMARY
  189.   Wheεá yo⌡á obtaiεá ß cop∙ oµ "EDFILE.COMó makσ surσ t∩ obtaiε ß cop∙á oµá thσ ì
  190. accompanyinτ .DO├ file¼ i⌠ i≤ absolutel∙ essential«  Anothe≥ featurσ ╔ havσ no⌠ ì
  191. heretofo≥ mentioned¼ EDFILE.CO═ ha≤ HEL╨ feature≤ buil⌠ in!
  192.  
  193.   ╔ als∩ usσ thi≤ methoΣ oµ editinτ m∙ CP/═ systeφ iε orde≥ t∩ tes⌠ m∙ compileΣ ì
  194. Turb∩á Pasca∞á file≤ unde≥ differen⌠ sizσ operatinτ system≤ (saveΣ oεá disδá a≤ ì
  195. CPM64.COM¼á CPM63.COM¼á CPM62.COM¼ etc.)« Additionally¼ ╔ havσ useΣ thi≤ methoΣ ì
  196. t∩ changσ m∙ operatinτ systeφ (changeΣ thσ residen⌠ CP/═ commanΣ "USERó t∩ "U"¼ ì
  197. logoεá procedures¼á autoloaΣ functions¼á promp⌠ messages¼á anΣá differen⌠á sizσ ì
  198. operatinτá system≤á witΦ ne≈ logica∞ assignment≤ fo≥ m∙ disδ drives«á Tr∙á thi≤ ì
  199. systeφá anΣ ╔ don'⌠ thinδ you'l∞ eve≥ g∩ bacδ t∩ usinτ "XAMN.COMó o≥á "DDT.COMó ì
  200. t∩ modif∙ your .COM files againí