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Text File  |  1979-12-31  |  46KB  |  910 lines

  1. Thσ áfollowinτ ái≤ áfroφ áß áserie≤ oµ áarticle≤ áiε áthσ áBEELINE¼ áthσ ì
  2. Newslette≥ áoµ áthσ Sydne∙ MicroBeσ User≤ Grou≡ (SMUG)« áThank≤ át∩ áthσ ì
  3. Grou≡ fo≥ beinτ ablσ t∩ includσ thi≤ oε thσ disk....
  4.  
  5.                    ------------------------------
  6.  
  7.  
  8.  
  9.      Title   'IMP for the MicroBee'  by Tony Ellis
  10.  
  11. Par⌠ 1« 'Fo≥ Beginners'
  12.  
  13. D∩ áyo⌡ áwan⌠ át∩ átakσ ful∞ advantagσ oµ áthσ áColou≥ áand/o≥ áGraphic≤ ì
  14. availablσ áfroφ thσ OPU╙ Bulletiε Board≤ (especiall∙ no≈ tha⌠ áthσ áSMU╟ ì
  15. Bulletiε BoarΣ run≤ OPUS⌐ ┐ D∩ yo⌡ wan⌠ t∩ speeΣ u≡ you≥ filσ átransfer≤ ì
  16. b∙ áusinτ á1δ áblocks...« áthi≤ anΣ morσ i≤ availablσ át∩ áyo⌡ áoε áyou≥ ì
  17. MicroBeσ b∙ usinτ thσ IM╨ Communication≤ package« InteresteΣ ┐ theε reaΣ ì
  18. on...
  19.   
  20. Wellájus⌠áwha⌠ i≤ IMP then┐á 
  21.  
  22. IM╨ ái≤ áß communication≤ prograφ writteε fo≥ machine≤ runninτ áCP/═ áb∙ ì
  23. tha⌠ áWi· iε thσ State≤ b∙ thσ namσ oµ Ir÷ Hoff« IM╨ i≤ widel∙ useΣ áal∞ ì
  24. ove≥ áthσ worlΣ oε hundred≤ oµ differen⌠ type≤ oµ CP/═ machines« áI⌠ ái≤ ì
  25. structureΣ iε ß wa∙ simila≥ t∩ CP/═ itself« CP/═ ha≤ tw∩ section≤ calleΣ ì
  26. CC╨ áanΣ BDO╙ whicΦ arσ basicall∙ thσ samσ oε al∞ machine≤ ¡ anΣ ß áBIO╙ ì
  27. sectioε tha⌠ interface≤ betweeε thσ CC╨ anΣ BDO╙ portioε oµ CP/═ anΣ thσ ì
  28. specifiπ áhardwarσ áoε áyou≥ machine« IM╨ follow≤ áthi≤ ásamσ áprinciplσ ì
  29. havinτ áß sectioε commoε t∩ al∞ machine≤ anΣ aε 'overlayº átha⌠ áenable≤ ì
  30. thσ áIM╨ áprograφ át∩ átalδ t∩ thσ specifiπ áhardwarσ áoµ áß áparticula≥ ì
  31. machine« Thi≤ i≤ onσ reasoε fo≥ thσ popularit∙ oµ IMP« Thσ othe≥ áreasoε ì
  32. i≤ ááthσ áricΦ áfacilitie≤ ái⌠ ásupports« á┴ ávariet∙ áoµ áátransmissioε  ì
  33. protocols¼ ásuppor⌠ áfo≥ á'Hayesº átypσ áautodia∞ ámodems¼ áß áádiallinτ ì
  34. directory¼ functioε key≤ anΣ s∩ on« Bu⌠ jus⌠ wha⌠ i≤ 'IMPº ¡ ho≈ abou⌠ º ì
  35. Intelligen⌠ Modeφ Prograφ '.
  36.  
  37. IMP for the MicroBee...
  38.  
  39. Ove≥ áthσ las⌠ yea≥ o≥ tw∩ thσ autho≥ ha≤ beeε developinτ tw∩ ádifferen⌠ ì
  40. overlay≤ whicΦ allo≈ IM╨ t∩ ruε oε you≥ MicroBee« Onσ i≤ calleΣ áIM╨-AL╠ ì
  41. anΣ thσ othe≥ ANSIMP« IM╨-AL╠ a≤ i⌠ namσ suggest≤ wa≤ writteε t∩ ruε áoε ì
  42. AL╠ disδ baseΣ MicroBee≤ (witΦ thσ standarΣ 3.375Mh· clock⌐ sucΦ a≤ áthσ ì
  43. 56k¼ CIAB¼ 128k¼ Premiuφ anΣ TC25╢ usinτ thσ standarΣ RS23▓ port« ANSIM╨ ì
  44. oε áthσ othe≥ hanΣ i≤ onl∙ supporteΣ b∙ MicroBee≤ whicΦ havσ áthσ á'SCCº ì
  45. chip¼ áthσ Ziloτ 8530¼ fitteΣ t∩ thei≥ corσ-board« Thi≤ wil∞ bσ ácovereΣ ì
  46. iε áß álate≥ installmen⌠ anΣ ma∙ forφ thσ basi≤ oµ áanothe≥ áarticlσ áiµ ì
  47. therσ i≤ enougΦ interest« Ouch..« sto≡ twistinτ m∙ arm...
  48.  
  49. What is available...
  50.  
  51. Thesσ tw∩ 'IMPsº arσ availablσ froφ thσ SMU╟ Bulletiε BoarΣ ¡ froφ mσ a⌠ ì
  52. SMU╟ meeting≤ ¡ o≥ ╔ caε downloaΣ direc⌠ t∩ yo⌡ b∙ prio≥ arrangemen⌠ áa⌠ ì
  53. an∙ áoµ thσ popula≥ bauΣ rates« Yes¼ Telcoφ caε bσ useΣ t∩ downloaΣ áthσ ì
  54. IM╨ libraries« Thσ presen⌠ versioε i≤ 8.2¼ thougΦ ╔ aφ currentl∙ workinτ ì
  55. oε á8.│ áanΣ hopσ t∩ havσ i⌠ availablσ b∙ thσ timσ áthi≤ ái≤ ápublished« ì
  56. Thesσ file≤ arσ calleΣ IMPALL82.LB╥ anΣ ANSIMP82.LBR« Iµ yo⌡ havσ aε SC├ ì
  57. chi≡ áinstalleΣ átheε áge⌠ thσ ANSIMP82.LB╥ library¼ áiµ ánot¼ áge⌠ áthσ ì
  58. IMPALL82.LB╥ library« Yo⌡ wil∞ als∩ neeΣ thσ IM╨ documentatioε anΣ ásomσ ì
  59. othe≥ áIM╨ utilities« Thesσ arσ IMPATCH.LBR¼ IM╨-DOC.LBR¼ I2LIB.LB╥ áanΣ ì
  60. I2FUNC.LBR« Morσ iε ß late≥ installmen⌠ oε thσ utilities.
  61.  
  62. Getting started...
  63. èHavinτ obtaineΣ thσ appropriatσ librar∙ file≤ usσ NUL╒ o≥ you≥ favouritσ ì
  64. prograφ át∩ áextrac⌠ thσ files« (Incidentall∙ iµ yo⌡ havσ áNUL╒ áversioε ì
  65. 1.5░ á¡ áge⌠ áriΣ oµ i⌠ ASA╨ anΣ ge⌠ versioε 1.5▒ á¡ áversioε á1.5░ ácaε ì
  66. corrup⌠ álargσ áfile≤ ábecausσ oµ ß buτ iε CP/═ founΣ áafte≥ áal∞ áthesσ ì
  67. years!!)« áWσ wil∞ assumσ yo⌡ arσ usinτ IM╨-ALL¼ thσ ásamσ áinstruction≤ ì
  68. arσ ábasicall∙ átruσ fo≥ ANSIM╨ excep⌠ thσ fe≈ difference≤ ádetaileΣ áiε ì
  69. late≥ installments¼ jus⌠ reaΣ ANSIMP┴ wherσ ╔ havσ IM╨-ALL« Pu⌠ áIM╨-AL╠ ì
  70. oε áyou≥ communication≤ worδ disδ anΣ connec⌠ you≥ modem« (ANSIM╨ áuser≤ ì
  71. shoulΣ áusσ thσ por⌠ neares⌠ thσ powe≥ connecto≥ fo≥ thσ BeeModeφ ¡ áseσ ì
  72. SCC.DO├ áfo≥ cablσ details)« IM╨ wil∞ suppor⌠ thσ 'Hayesº commanΣ se⌠ á¡ ì
  73. bu⌠ ádon'⌠ áworr∙ iµ yo⌡ don'⌠ havσ onσ oµ áthσ áal∞-singinτ-al∞-dancinτ ì
  74. modems¼ thσ humblσ BeeModeφ wil∞ worδ witΦ n∩ problems« Minσ i≤ stil∞ iε ì
  75. use« Firs⌠ thougΦ wσ mus⌠ learε abou⌠ IMP.
  76.  
  77. IM╨ commanΣ line...
  78.  
  79. Typσ á'IM╨-ALLº a⌠ thσ CP/═ commanΣ linσ o≥ usσ thσ SHEL╠ t∩ star⌠ áIMP« ì
  80. IM╨ áwil∞ áloaΣ int∩ memor∙ anΣ displa∙ thσ autho≥ anΣ áversioε ánumber¼ ì
  81. theε thσ overla∙ detail≤ includinτ thσ machinσ typσ thσ overla∙ i≤ áfor¼ ì
  82. anΣ thσ curren⌠ bauΣ rate« Thσ curso≥ shoulΣ bσ afte≥ thσ worΣ 'COMMAND║ ì
  83. '¼ anΣ iµ yo⌡ havσ ß Rea∞ Timσ Clocδ installed¼ theε IM╨ wil∞ havσ áals∩ ì
  84. indicateΣ áthσ curren⌠ time« ANSIM╨ put≤ thσ timσ iε thσ to≡ árigh⌠-hanΣ ì
  85. corner.
  86.  
  87. Typσ áthσ lette≥ 'Mº anΣ hi⌠ <return>« ┴ brieµ men⌡ oµ command≤ wil∞ ábσ ì
  88. given« Hittinτ an∙ ke∙ wil∞ brinτ u≡ thσ nex⌠ screen¼ therσ arσ threσ iε ì
  89. all« Wσ wil∞ jus⌠ describσ ß fe≈ herσ jus⌠ t∩ givσ yo⌡ thσ idea« áHavinτ ì
  90. go⌠ ábacδ át∩ thσ IM╨ commanΣ linσ havinτ seeε al∞ thσ áhelp¼ átypσ áthσ ì
  91. lette≥ á'Tº áanΣ áhi⌠ <return>« Yo⌡ arσ no≈ iε termina∞ ámodσ áread∙ át∩ ì
  92. displa∙ an∙ incominτ character≤ froφ thσ modem« No≈ hi⌠ thσ <escape╛ ke∙ ì
  93. followeΣ b∙ thσ 'Eº key« Thi≤ wil∞ brinτ yo⌡ bacδ t∩ thσ commanΣ line.
  94.  
  95. Usinτ thσ 'SETº command...
  96.  
  97. IM╨-AL╠ support≤ ß numbe≥ oµ bauΣ rates¼ anΣ thesσ arσ selecteΣ b∙ usinτ ì
  98. thσ 'SETº command« Jus⌠ typσ thσ worΣ 'setº anΣ hi⌠ thσ <return╛ ke∙ á(╔ ì
  99. wil∞ áassumσ froφ herσ oε tha⌠ yo⌡ no≈ kno≈ t∩ usσ thσ <return╛ ke∙ áanΣ ì
  100. wil∞ ájus⌠ áadΣ <return╛ afte≥ thσ instruction!)« IM╨ wil∞ ádispla∙ áthσ ì
  101. option≤ available« Fo≥ thi≤ exercisσ wσ wil∞ usσ 30░ bauΣ s∩ typσ á'300º ì
  102. <return>« IM╨ respond≤ b∙ confirminτ you≥ selection« ┴ quicke≥ wa∙ i≤ t∩ ì
  103. typσ 'se⌠ 300º <return>« Tr∙ it« Remembe≥ thougΦ tha⌠ iµ yo⌡ forge⌠ áthσ ì
  104. speeΣ option≤ availablσ ß 'setº oε it≤ owε wil∞ instruc⌠ IM╨ t∩ ádispla∙ ì
  105. theφ fo≥ you.
  106.  
  107. Anothe≥ á'SETº ácommanΣ i≤ thσ typσ oµ termina∞ emulation« áTypinτ á'SE╘ ì
  108. ANSIº áwil∞ ácausσ thσ screeε t∩ clear¼ thσ curso≥ t∩ changσ áshapσ áanΣ ì
  109. you≥ MicroBeσ i≤ no≈ ablσ t∩ usσ an∙ oµ thσ ANS╔ sequences« Morσ oε thi≤ ì
  110. iε ß late≥ installment« Tr∙ thi≤ se⌠ command« Well¼ wσ caε se⌠ thσ ábauΣ ì
  111. rate¼ g∩ iε anΣ ou⌠ oµ termina∞ modσ anΣ se⌠ ANS╔ emulatioε ¡ s∩ wσ áno≈ ì
  112. kno≈ áal∞ átha⌠ ái≤ necessar∙ fo≥ ß simplσ star⌠ ¡ áexcep⌠ áonσ áiteφ á¡ ì
  113. gettinτ áou⌠ oµ IMP« Tha⌠ i≤ easy« Jus⌠ typσ 'CPMº <return╛ a⌠ áthσ áIM╨ ì
  114. commanΣ áline« D∩ it« You≥ screeε shoulΣ havσ cleareΣ anΣ yo⌡ áarσ ábacδ ì
  115. wherσ yo⌡ werσ beforσ yo⌡ starteΣ IMP.
  116.  
  117. ┴ livσ practice...è
  118. Wel∞ áwσ áarσ read∙ kno≈ fo≥ thσ rea∞ test« Star⌠ IM╨ anΣ se⌠ áthσ ábauΣ ì
  119. ratσ át∩ 300« Thi≤ slo≈ ratσ wil∞ givσ yo⌡ morσ 'thinkingº time« Iµ áyo⌡ ì
  120. arσ ácallinτ áaε OPU╙ boarΣ usσ thσ 'SE╘ ANSIº command« áEnte≥ átermina∞ ì
  121. modσ ¿ 'Tº <enter╛ ¡ remembe≥ ?)« No≈ se⌠ u≡ you≥ BeeModem« Switche≤ áiε ì
  122. 30░ ábauΣ position¼ originatσ anΣ phone« Picδ u≡ you≥ handse⌠ áanΣ ádia∞ ì
  123. SMU╟ áo≥ áyou≥ favouritσ board« Wheε thσ boarΣ answer≤ áwitΦ áthσ ámodeφ ì
  124. whistlσ áfli≡ thσ switcΦ froφ phonσ t∩ modeφ anΣ yo⌡ arσ connected« áPu⌠ ì
  125. dowε thσ handse⌠ anΣ watcΦ you≥ screeε anΣ thσ Modeφ C─ (Carrie≥ Detect⌐ ì
  126. light« áThσ áC─ ligh⌠ shoulΣ comσ oε afte≥ ß seconΣ o≥ tw∩ áfolloweΣ áb∙ ì
  127. tex⌠ áoε you≥ screen« A⌠ thσ correc⌠ timσ ente≥ you≥ namσ áanΣ ápassworΣ ì
  128. anΣ áofµ áyo⌡ ágo« Whilσ thσ boarΣ i≤ waitinτ fo≥ áß ácommanΣ áfroφ áyo⌡ ì
  129. practicσ áleavinτ thσ termina∞ mode¼ theε rσ-enterinτ thσ termina∞ ámodσ ì
  130. anΣ ádoinτ ásomethinτ oε thσ BoarΣ unti∞ yo⌡ arσ ácomfortablσ áswitchinτ ì
  131. betweeε commanΣ modσ anΣ termina∞ mode.
  132.  
  133. Filσ Transfers...
  134.  
  135. Iµ yo⌡ arσ stil∞ witΦ us¼ theε wσ wil∞ d∩ ß filσ transfer« G∩ thσ áfile≤ ì
  136. sectioε áoµ thσ boarΣ anΣ selec⌠ ß SMAL╠ filσ t∩ get« Somethinτ abou⌠ á┤ ì
  137. t∩ á8δ ái≤ plent∙ biτ enough« D∩ whateve≥ i≤ necessar∙ oε thσ áboarΣ át∩ ì
  138. star⌠ áthσ áDOWNloaΣ oµ thσ filσ usinτ XMODE═ protocol« Oncσ áthσ áboarΣ ì
  139. indicate≤ átha⌠ ái⌠ i≤ no≈ waitinτ fo≥ yo⌡ t∩ receivσ thσ filσ ¡ ág∩ át∩ ì
  140. IMP'≤ áácommanΣ áámode« áTheε átypσ á'╥ áFILENAME.TYPº áá<enter╛ ááwherσ ì
  141. FILENAME.TY╨ ái≤ áwhateve≥ you≥ choseε filσ i≤ calleΣ áoε áthσ áBulletiε ì
  142. Board« IM╨ wil∞ theε indicatσ i⌠ i≤ waitinτ ¡ theε afte≥ i⌠ synchronize≤ ì
  143. witΦ áthσ Bulletiε BoarΣ yo⌡ wil∞ seσ progres≤ message≤ a≤ thσ áfilσ ái≤ ì
  144. transferred¼ átheε a⌠ it≤ successfu∞ completioε IM╨ wil∞ writσ thσ áfilσ ì
  145. t∩ you≥ disδ anΣ automaticall∙ g∩ bacδ t∩ termina∞ mode« Wel∞ tha⌠ migh⌠ ì
  146. bσ enougΦ fo≥ onσ sessioε s∩ loτ ofµ iµ yo⌡ wan⌠ to.
  147.  
  148. Wheε al∞ elsσ fail≤.« reaΣ thσ instructions...
  149.  
  150. Well¼ áthi≤ ácoulΣ g∩ oε foreve≥ iµ ╔ wen⌠ oε likσ áthi≤ áanΣ áeverybod∙ ì
  151. woulΣ ábσ áboreΣ ástifµ ¡ s∩ no≈ i≤ thσ timσ iµ yo⌡ áhavσ áno⌠ ádonσ ás∩ ì
  152. alread∙ át∩ extrac⌠ thσ documentatioε froφ it≤ librar∙ anΣ prin⌠ it¼ áo≥ ì
  153. iµ yo⌡ prefer¼ browsσ i⌠ oε you≥ screen« I⌠ i≤ morσ convenien⌠ t∩ áprin⌠ ì
  154. i⌠ ás∩ iµ yo⌡ forge⌠ tha⌠ vita∞ commanΣ iε thσ middlσ oµ ß ásessioε áyo⌡ ì
  155. caε looδ i⌠ up« Thσ filσ i≤ abou⌠  37δ lonτ anΣ i≤ ver∙ wel∞ writteε áb∙ ì
  156. Ir÷ Hoff« Stud∙ i⌠ ¡ dia∞ u≡ Bulletiε Board≤ anΣ usσ thσ command≤ áunti∞ ì
  157. the∙ ábecomσ áseconΣ nature« Yo⌡ wil∞ quickl∙ comσ t∩ bσ áfamilia≥ áwitΦ ì
  158. usinτ áIM╨ áanΣ áappreciatσ it≤ man∙ features« áThσ ádocumentatioε áals∩ ì
  159. discusse≤ suppor⌠ fo≥ 'Hayesº typσ modem≤ etc« N∩ sensσ mσ repeatinτ ái⌠ ì
  160. al∞ here.
  161.  
  162. Nex⌠ Installment...
  163.  
  164. Well¼ átha⌠ i≤ enougΦ fo≥ thi≤ month« A≤ Par⌠ ▓ i≤ no⌠ unti∞ nex⌠ ámontΦ ì
  165. tha⌠ áwil∞ givσ al∞ thσ beginner≤ timσ t∩ improvσ thei≥ áproficienc∙ ás∩ ì
  166. tha⌠ áb∙ áPar⌠ ▓ ╔ wil∞ assumσ yo⌡ arσ al∞ seasoneΣ ácommunicator≤ áwitΦ ì
  167. enormou≤ áphonσ ábills!í áSeriousl∙ áwσ wil∞ ábσ ádealinτ áiε áfollowinτ ì
  168. installment≤ witΦ thσ SC├ chip¼ ANSI¼ anΣ al∞ thσ 'extrasº addeΣ t∩ áthσ ì
  169. IM╨ áOverla∙ át∩ makσ bette≥ usσ oµ thσ graphic≤ anΣ ácolou≥ áfacilitie≤ ì
  170. founΣ oε thσ MicroBee.
  171. è                   ------------------------------
  172.  
  173.      Title   'IMP for the MicroBee'  by Tony Ellis
  174.  
  175. Par⌠ 2« 'ANSI'
  176.  
  177. Doe≤ al∞ thi≤ talδ abou⌠ ANS╔ confusσ yo⌡ ┐ What'≤ i⌠ al∞ abou⌠ anywa∙ ┐ ì
  178. ¡ anΣ wherσ doe≤ thσ Microbeσ anΣ IM╨ fi⌠ int∩ al∞ this┐ Wel∞ thi≤ montΦ ì
  179. thesσ question≤ anΣ morσ wil∞ bσ answered.
  180.  
  181. Iε thσ beginning...
  182.  
  183. Bacδ iε thσ day≤ wheε CP/═ firs⌠ camσ ou⌠ terminal≤ werσ generall∙ baseΣ ì
  184. oε áthσ áASCI╔ áteletypσ machine« Iε fac⌠ CP/═ a≤ ásupplieΣ áb∙ áDigita∞ ì
  185. ResearcΦ áwil∞ áworδ quitσ happil∙ usinτ aε ASCI╔ teletypσ sucΦ áa≤ áthσ ì
  186. AS╥-3│ a⌠ 11░ baud« Thi≤ i≤ wh∙ thσ CP/═ utilitie≤ sucΦ a≤ ED¼ DIR¼ STA╘ ì
  187. etc« áal∞ áarσ linσ-orienteΣ rathe≥ thaε ful∞ screen« Thi≤ als∩ ái≤ áthσ ì
  188. reasoε tha⌠ thσ ASCI╔ control≤ code≤ havσ thσ name≤ the∙ do« Term≤ ásucΦ ì
  189. a≤ á'carriagσ-return'¼ á'forφ-feedº áanΣ á'forφ-separatorº áhaΣ álitera∞ ì
  190. meaning≤ áoε thosσ mechanica∞ marvels« Compatibilit∙ wa≤ no⌠ mucΦ oµ áaε ì
  191. issuσ áeithe≥ áiε thosσ days« Afte≥ all¼ therσ i≤ ß limi⌠ át∩ áwha⌠ áyo⌡ ì
  192. coulΣ d∩ witΦ ß mechanica∞ teletypσ a≤ ß terminal!
  193.  
  194. Teletypσ replacements...
  195.  
  196. Nex⌠ át∩ ácomσ áalonτ áwerσ thσ s∩-calleΣ á'T╓ áTypewritersº áo≥ á'Glas≤ ì
  197. Teletypesº á¡ asciΘ terminal≤ usinτ electroniπ circuit≤ t∩ áreplacσ áthσ ì
  198. mechanica∞ áfunctioε áoµ áthei≥ predecessors« Thesσ áoµ ácoursσ áwerσ áß ì
  199. logica∞ ádevelopment« Basicall∙ the∙ provideΣ thσ samσ functioε áa≤ áthσ ì
  200. machine≤ áthe∙ áreplaced¼ excep⌠ tha⌠ character≤ werσ displayeΣ áoε áthσ ì
  201. facσ áoµ áß CR╘ tubσ insteaΣ oµ beinτ printeΣ oε paper« áBeinτ áablσ át∩ ì
  202. displa∙ á4░ character≤ pe≥ linσ witΦ 1╢ line≤ oε thσ screeε wa≤ quitσ áß ì
  203. fea⌠ iε thosσ days« I⌠ requireΣ severa∞ hundreΣ TT╠ chip≤ t∩ providσ thσ ì
  204. necessar∙ circuitry¼ anΣ ß fortunσ t∩ pa∙ fo≥ thσ memory« 
  205.  
  206. Improvemen⌠ ¡ anΣ incompatibility...
  207.  
  208. Iε linσ witΦ advancement≤ iε electronics¼ anΣ especiall∙ ásemΘ-conducto≥ ì
  209. technology¼ thσ asciΘ termina∞ improved« LS╔ chip≤ sucΦ a≤ thσ 684╡ áanΣ ì
  210. 827╡ ágreatl∙ áreduceΣ thσ chi≡ coun⌠ whilσ memor∙ ábecamσ ácheape≥ áanΣ ì
  211. denser« CP/═ system≤ werσ beinτ supplieΣ b∙ ß largσ numbe≥ oµ ádifferen⌠ ì
  212. manufacturer≤ áanΣ program≤ werσ startinτ t∩ becomσ morσ ásophisticated« ì
  213. I⌠ didn'⌠ takσ programmer≤ lonτ t∩ realizσ tha⌠ witΦ CR╘ display≤ 'ful∞-ì
  214. screenº átypσ operation≤ werσ easil∙ obtainable« Thσ termina∞ ásupplier≤ ì
  215. camσ át∩ thσ part∙ anΣ thi≤ wa≤ thσ 'goldeε ageº oµ thσ ADM3A¼ áBeeHive¼ ì
  216. Hazeltine¼ Televide∩ anΣ ADD╙ etc« a≤ wel∞ a≤ implementation≤ uniquσ át∩ ì
  217. eacΦ áCP/═ ásysteφ manufacture≥ sucΦ a≤ Heath¼ NortΦ áStar¼ áEpsoε áetc« ì
  218. Troublσ i≤ the∙ eacΦ decideΣ oε thei≥ uniquσ systeφ oµ code≤ t∩ d∩ ásucΦ ì
  219. thing≤ a≤ clea≥ thσ screen¼ positioε thσ curso≥ anΣ s∩ on« Yo⌡ onl∙ havσ ì
  220. t∩ looδ a⌠ thσ termina∞ installatioε men⌡ oµ CP/═ program≤ likσ Wordsta≥ ì
  221. t∩ appreciatσ thσ problem« Wha⌠ problem┐ Tha⌠ oµ incompatibility.
  222.  
  223. ANS╔ t∩ thσ rescue...
  224.  
  225. A≤ i≤ usua∞ iε sucΦ case≤ ¡ firs⌠ thσ confusioε ¡ theε thσ standard« áI⌠ ìèwa≤ eventuall∙ realizeΣ tha⌠ thesσ incompatibilitie≤ werσ reall∙ helpinτ ì
  226. n∩-onσ anΣ especiall∙ hinderinτ thσ developmen⌠ oµ reall∙ gooΣ software« ì
  227. Consequentl∙ manufacturer≤ werσ willinτ t∩ ge⌠ togethe≥ anΣ ß ástandard≤ ì
  228. committeσ wa≤ formeΣ unde≥ thσ auspice≤ oµ ANS╔ t∩ standardizσ thσ code≤ ì
  229. t∩ ácontro∞ áß ávide∩ terminal« Thσ resul⌠ wa≤ thσ ápublishinτ áoµ áANS╔ ì
  230. standarΣ X3.4▒ iε 1974¼ anΣ thσ subsequen⌠ revisioε X3.6┤ iε 197╖ áwhicΦ ì
  231. wa≤ finall∙ approveΣ iε 1979« Thi≤ i≤ wha⌠ i≤ knowε a≤ 'ANSIº iε BB╙ anΣ ì
  232. 'PCº circles« B∙ thσ wa∙ ANS╔ i≤ shor⌠ fo≥ 'Americaε Nationa∞ áStandard≤ ì
  233. Institute« The∙ havσ produceΣ man∙ standards¼ no⌠ jus⌠ thi≤ onσ ádealinτ ì
  234. witΦ ádispla∙ ácodes« Iε fac⌠ diΣ yo⌡ kno≈ tha⌠ ASCII'≤ forma∞ ánamσ ái≤ ì
  235. ANS╔ X3.┤-1977?
  236.  
  237. ANSI.SYS...
  238.  
  239. Thσ áacceptancσ áoµ áthi≤ ANS╔ standarΣ receiveΣ ß biτ áboas⌠ áwheε áIB═ ì
  240. decideΣ át∩ providσ ß devicσ drive≥ calleΣ 'ANSI.SYSº fo≥ áthσ árecentl∙ ì
  241. introduceΣ á'IB═ PC'« WitΦ thi≤ drive≥ installeΣ thσ displa∙ oµ an∙ áIB═ ì
  242. P├ o≥ machinσ runninτ MS/DO╙ coulΣ bσ controlleΣ b∙ usinτ ANS╔ codes« A≤ ì
  243. thσ ánumber≤ áoµ sucΦ system≤ grew¼ s∩ thσ standarΣ becamσ ámorσ áwidel∙ ì
  244. accepteΣ áanΣ iε commoε use« Thσ famou≤ DE├ VT10░ termina∞ áwa≤ áanothe≥ ì
  245. termina∞ áwhicΦ áuseΣ thi≤ standarΣ a≤ ß subse⌠ oµ it≤ áowε ácodes« áIt≤ ì
  246. popularit∙ als∩ helpeΣ promotσ thσ usσ oµ thσ ANS╔ standard« 
  247.  
  248. OPU╙ anΣ ANSI...
  249.  
  250. Thσ áwidσ-spreaΣ áusσ oµ thi≤ ANS╔ standarΣ wa≤ no⌠ áoverlookeΣ áb∙ áthσ ì
  251. author≤ oµ OPUS« Fo≥ thσ firs⌠ timσ sincσ thσ mechanica∞ teletypσ átherσ ì
  252. wa≤ áß standarΣ tha⌠ thσ vas⌠ majorit∙ oµ user≤ coulΣ compl∙ with« áThi≤ ì
  253. togethe≥ áwitΦ áthσ graphic≤ character≤ introduceΣ b∙ thσ IB═ áP├ ámean⌠ ì
  254. tha⌠ áfo≥ áthσ áfirs⌠ timσ Bulletiε Board≤ coulΣ ámakσ áusσ áoµ ácolour¼ ì
  255. graphic≤ áanΣ ß ful∞-screeε edito≥ oε ß biτ scale« Thσ limitation≤ áwerσ ì
  256. no≈ áthosσ oµ thσ imaginatioε oµ thσ SYSOP¼ anΣ somσ oµ theφ áhavσ áwilΣ ì
  257. imagination≤ iµ thσ result≤ arσ an∙ indicationí Similarl∙ ANS╔ musiπ wa≤ ì
  258. introduceΣ áwhicΦ áuse≤ áthσ samσ codσ structurσ a≤ tha⌠ áoµ áthσ áBASI├ ì
  259. interprete≥ supplieΣ witΦ PC/MSDOS« Wha⌠ wil∞ bσ next?
  260.  
  261. anΣ s∩ t∩ IMP...
  262.  
  263. WitΦ átha⌠ ábi⌠ oµ histor∙ ou⌠ oµ thσ way¼ wσ caε no≈ ge⌠ ábacδ át∩ áthσ ì
  264. subjec⌠ áoµ áthi≤ áinstallment« Thσ Premiuφ MicroBeσ áha≤ áal∞ átha⌠ ái≤ ì
  265. necessar∙ áiε áit≤ ábasiπ desigε t∩ displa∙ mos⌠ oµ áthesσ áANS╔ ácodes« ì
  266. Addinτ áextrß hardwarσ tha⌠ Microbeσ designed¼ bu⌠ didn'⌠ install¼ áwil∞ ì
  267. improvσ áthσ emulation« Flashinτ i≤ aε examplσ oµ this« Bu⌠ neve≥ áfear¼ ì
  268. thi≤ oversigh⌠ i≤ goinτ t∩ bσ remedieΣ b∙ anothe≥ serie≤ oµ article≤ áiε ì
  269. 'BEELINE'« However¼ AN┘ disδ baseΣ MicroBeσ caε displa∙ thσ mos⌠ áusefu∞ ì
  270. oµ áthσ áANS╔ codes« How┐ B∙ usinτ IM╨-AL╠ o≥ ANSIM╨ áoµ ácourseí áThesσ ì
  271. version≤ oµ IM╨ fo≥ thσ MicroBeσ havσ ß drive≥ addeΣ t∩ theφ tha⌠ doe≤ ß ì
  272. simila≥ functioε t∩ tha⌠ oµ ANSI.SY╙ oε thσ DO╙ machines.
  273.  
  274. IM╨ inspect≤ you≥ machine...
  275.  
  276. Thσ IM╨ implementatioε fo≥ thσ MicroBeσ figure≤ ou⌠ thσ typσ oµ MicroBeσ ì
  277. i⌠ ái≤ árunninτ on¼ theε use≤ tha⌠ 'Bee≤ resource≤ t∩ displa∙ áthσ áANS╔ ì
  278. code≤ t∩ thσ bes⌠ oµ it≤ ability« Naturall∙ iµ yo⌡ havσ ß Premiuφ witΦ ß ì
  279. colou≥ ámonito≥ áanΣ áal∞ thσ hardwarσ mod≤ fitteΣ áyo⌡ áwil∞ áge⌠ ámorσ ìèfunctioε thaε usinτ ß CIA┬ witΦ monochromσ screen« Eveε s∩ witΦ thσ CIA┬ ì
  280. yo⌡ áwil∞ havσ graphics¼ thσ ful∞-screeε edito≥ anΣ ácurso≥ ápositioninτ ì
  281. availablσ t∩ you« Thesσ version≤ oµ IM╨ wil∞ als∩ providσ colou≥ oε áan∙ ì
  282. MicroBeσ tha⌠ ha≤ colou≥ hardwarσ (anΣ colou≥ monitor!⌐ installed.
  283.  
  284. SMU╟ anΣ ANSI...
  285.  
  286. Thσ áSMU╟ Bulletiε BoarΣ no≈ run≤ OPUS¼ s∩ iµ yo⌡ wan⌠ t∩ makσ thσ ábes⌠ ì
  287. usσ áoµ áthi≤ BoarΣ witΦ you≥ MicroBee¼ theε IM╨ i≤ thσ wa∙ t∩ ágo« áThσ ì
  288. SMU╟ SYSO╨ i≤ providinτ somσ article≤ oε thσ ne≈ SMU╟ Bulletiε BoarΣ anΣ ì
  289. OPUS¼ ás∩ ábσ surσ t∩ reaΣ them« Briefl∙ OPU╙ ha≤ ß 'SETUPº ámen⌡ áwhicΦ ì
  290. wil∞ allo≈ yo⌡ t∩ enablσ thσ graphics¼ thσ ful∞-screeε edito≥ anΣ aε á8░ ì
  291. characte≥ áwidtΦ b∙ 2╡ lines« 'IM╨-ALLº o≥ 'ANSIMPº wil∞ ásuppor⌠ áthesσ ì
  292. witΦ thσ ANS╔ termina∞ emulatioε modσ invokeΣ b∙ 'SE╘ ANSIº froφ thσ IM╨ ì
  293. commanΣ áline« áIµ yo⌡ arσ usinτ IM╨-AL╠ i⌠ i≤ ß gooΣ ideß át∩ áse⌠ áthσ ì
  294. 'NULLSº áoptioε t∩ abou⌠ 12« Thσ reason≤ fo≥ thi≤ wil∞ bσ ácovereΣ ánex⌠ ì
  295. month« ANSIM╨ user≤ caε se⌠ 'NULLSº t∩ 0.
  296.  
  297. ANS╔ Code≤ supported...
  298.  
  299. Thσ áfollowinτ char⌠ list≤ thσ AnsΘ Code≤ supporteΣ iε Versioε ╡ anΣ áu≡ ì
  300. oµ 'IM╨-ALLº anΣ 'ANSIMP'.
  301.  
  302. ******************************************************************************
  303.  
  304.  Name                Code            Notes
  305.  ----                ----            -----
  306.  Save Cursor         esc 7            Graphics attributes saved also
  307.  Restore Cursor      esc 8            Graphics attributes restored also
  308.  Index               esc D            see above
  309.  New Line            esc E            see above
  310.  Reverse Index       esc M
  311.  DECALN              esc # 8
  312.  Music               esc [ M .... 0Eh Codes recognizeΣ but ignored
  313.  
  314.  Erase in Line       esc [ Ps K       Ps = 0 Erase from cursor to end_of_line 
  315.                                       Ps = 1 Erase from start_of_line to cursor
  316.                                       Ps = 2 Erase all of line
  317.  
  318.  Erase in Display    esc [ Ps J       Ps = 0 Erase from cursor to end_of_screen
  319.                                       Ps = 1 Erase from screen_start to cursor
  320.                                       Ps = 2 Erase all of screen
  321.  
  322.  Select Graphics     esc [ Ps m       Ps = 0 Normal Mode
  323.  Rendition                            Ps = 1 Highlight ***
  324.                                       Ps = 4 Underline ***
  325.                                       Ps = 5 Blink ***
  326.                                       Ps = 7 Reverse Video ***
  327.                                       Ps = 8 Non-Display ***
  328.                                       Ps = 3x Foreground Colour +++
  329.                                       Ps = 4x Background Colour +++
  330.                                       Colour x 0 - Black
  331.                                                1 - Red
  332.                                                2 - Green
  333.                                                3 - Yellowè                                               4 - Blue
  334.                                                5 - Magenta
  335.                                                6 - Cyan
  336.                                                7 - White
  337.  
  338.  Cursor Position     esc [ Pn ; Pn H  First Pn line, second column
  339.  Sequence
  340.  
  341.  Horizontal and      esc [ Pn ; Pn f  First Pn line, second column
  342.  Vertical Position
  343.  
  344.  Cursor Up           esc [ Pn A       Move Cursor up Pn lines in same column
  345.                                       Do not scroll up
  346.  
  347.  Cursor Down         esc [ Pn B       Move Cursor down Pn lines in same column
  348.                                       Do not scroll down
  349.  Cursor Forward      esc [ Pn C       Move Cursor Right Pn positions in line
  350.                                       Allow wrap to next line
  351.  
  352.  Cursor Backward     esc [ Pn D       Move Cursor Left Pn positions in line
  353.                                       Do not go back past position 0
  354.  
  355.  Save Cursor         esc [ s          Graphics attributes also saved
  356.  
  357.  Restore Cursor      esc [ u          Graphics attributes also restored
  358.  
  359.  Reset Mode          esc [ Ps l       Only wrap parameter acted upon
  360.  
  361.  Set Mode            esc [ Ps h       Only wrap parameter acted upon
  362.  
  363. ***  Ignored on 128k MicroBee 
  364. +++  Ignored on 128k MicroBee ¡ ANSIMP Versions 5 and ╢ only
  365.  
  366. *****************************************************************************
  367.  
  368. Briefly 'SE╘ ADM3A'
  369.  
  370. Yo⌡ áshoulΣ no≈ understanΣ wha⌠ 'SE╘ ANSIº i≤ fo≥ ¡ t∩ ge⌠ áthi≤ á'beau⌠ ì
  371. emulationí Oµ coursσ 'SE╘ ADM3Aº get≤ yo⌡ bacδ t∩ thσ standarΣ áMicroBeσ ì
  372. termina∞ emulatioε ¡ nothinτ morσ neeΣ bσ saiΣ abou⌠ thatí Notσ tha⌠ yo⌡ ì
  373. caε alway≤ tel∞ whicΦ termina∞ emulatioε i≤ active« ┴ largσ blocδ curso≥ ì
  374. i≤ áuseΣ áfo≥ ADM3┴ modσ anΣ thσ 'underlineº typσ curso≥ áfo≥ áthσ áANS╔ ì
  375. mode« 
  376.  
  377. Wha⌠ abou⌠ 'SE╘ 7º anΣ 'SE╘ 8'
  378.  
  379. Thesσ tw∩ command≤ arσ no⌠ reall∙ relateΣ t∩ ANSI¼ bu⌠ thi≤ i≤ a≤ gooΣ ß ì
  380. placσ áa≤ áan∙ fo≥ aε explanation« Thσ 'SE╘ 8º commanΣ set≤ u≡ áthσ áIM╨ ì
  381. prograφ át∩ áusσ ╕ datß bits¼ n∩ parit∙ anΣ onσ sto≡ bit« áThi≤ ái≤ áthσ ì
  382. defaul⌠ ásetting¼ áanΣ als∩ thσ settinτ useΣ b∙ virtuall∙ áal∞ áBulletiε ì
  383. Boards¼ s∩ yo⌡ don'⌠ havσ t∩ worr∙ abou⌠ it« Howeve≥ ß fe≈ peoplσ wanteΣ ì
  384. ╖ ádatß bits¼ eveε parit∙ anΣ onσ sto≡ bit¼ s∩ thσ 'SE╘ 7º ácommanΣ áwa≤ ì
  385. madσ áavailable« áNaturall∙ thσ 'SE╘ 8º commanΣ wa≤ als∩ áintroduceΣ át∩ ì
  386. allo≈ áanybod∙ wh∩ haΣ useΣ thσ 'SE╘ 7º modσ t∩ ge⌠ bacδ t∩ thσ ádefaul⌠ ì
  387. oµ '8'« Thu≤ mos⌠ peoplσ caε ignorσ thi≤ optioε completelyí Thi≤ áoptioε ìèi≤ onl∙ availablσ iε thσ ANSIM╨ serie≤ ¡ no⌠ IMP-ALL.
  388.  
  389. anΣ oε t∩ Versioε 9.0...
  390.  
  391. Well¼ tha⌠ jus⌠ abou⌠ wrap≤ i⌠ u≡ fo≥ thi≤ month« Beforσ ╔ qui⌠ áthough¼ ì
  392. therσ ái≤ jus⌠ tw∩ thing≤ t∩ explain« Firstl∙ afte≥ las⌠ ámonth'≤ áissuσ ì
  393. wa≤ áwritteε áIM╨ áVersioε 24╡ froφ Ir÷ Hofµ becamσ áavailablσ át∩ áthi≤ ì
  394. author¼ ás∩ áß ne≈ versioε oµ IM╨ i≤ ou⌠ ¡ versioε 9.0« áS∩ áge⌠ áeithe≥ ì
  395. ANSIMP90.LB╥ áo≥ IMPALL90.LBR¼ dependinτ oε you≥ hardwarσ áa≤ áexplaineΣ ì
  396. las⌠ ámonth« áAls∩ ádownloaΣ thσ filσ 'IMP245.LBRº fo≥ áthσ álates⌠ áIM╨ ì
  397. utilit∙ programs¼ note≤ froφ Ir÷ Hofµ etc« Thσ seconΣ thing┐  Wel∞ ánex⌠ ì
  398. montΦ áwσ wil∞ talδ abou⌠ thσ SC├ chi≡ anΣ it≤ usσ witΦ ANSIM╨ á¡ áunti∞ ì
  399. theε kee≡ you≥ IM╨ prograφ busy!
  400.  
  401.      Til∞ theε ¡ happ∙ BBS'ing...
  402.  
  403.                    ------------------------------
  404.  
  405.      Title   'IMP for the MicroBee'  by Tony Ellis
  406.  
  407. Par⌠ 3« 'ANSIMP'
  408.  
  409. Thi≤ montΦ wσ wil∞ bσ talkinτ mainl∙ abou⌠ thσ SC├ chip« Iε doinτ s∩ áwσ ì
  410. wil∞ ábσ explaininτ thσ problem≤ oµ usinτ thσ Microbe'≤ ástandarΣ áRS23▓ ì
  411. por⌠ á¡ anΣ iε s∩ doinτ sho≈ wh∙ thσ hardwarσ seria∞ port≤ áprovideΣ áb∙ ì
  412. thσ SC├ chi≡ arσ s∩ mucΦ better« Naturall∙ thi≤ wil∞ al∞ tiσ iε witΦ ho≈ ì
  413. anΣ wh∙ ANSIM╨ i≤ t∩ bσ preferreΣ ove≥ IM╨-ALL.
  414.  
  415. Firs⌠ thougΦ thσ basics...
  416.  
  417. Seria∞ ácommunications¼ a≤ i⌠ namσ implies¼ i≤ accomplisheΣ áb∙ ásendinτ ì
  418. thσ datß bit≤ onσ afte≥ thσ other« Wσ wil∞ represen⌠ thi≤ proces≤ iε thσ ì
  419. diagraφ ábelow¼ aε ASCI╔ 'Eº (he° 4╡ ¡ binar∙ 01000101⌐ i≤ ádemonstrateΣ ì
  420. ║-
  421.  
  422. _______▀      ___▀      ___▀                ___▀      ________
  423.         |____ⁿ    ⁿ____ⁿ    ⁿ______________ⁿ    |____|
  424.         star⌠  ▒    ░    ▒    ░    ░    ░    ▒    ░ á sto≡ bit
  425.  
  426. Notσ átha⌠ áthσ áleas⌠ significan⌠ bi⌠ i≤ sen⌠ áfirst« áThi≤ ámethoΣ áoµ ì
  427. sendinτ ádatß áoε thσ standarΣ por⌠ oε thσ MicroBeσ i≤ áaccomplisheΣ áb∙ ì
  428. softwarσ ácontrollinτ ever∙ stagσ oµ thσ process« Thσ prograφ t∩ senΣ áß ì
  429. character¼ ásucΦ a≤ IMP¼ firs⌠ set≤ thσ correc⌠ leve∞ fo≥ ß ástar⌠ ábit¼ ì
  430. theε wait≤ unti∞ i⌠ i≤ timσ t∩ senΣ thσ firs⌠ datß bit« I⌠ theε set≤ thσ ì
  431. correc⌠ leve∞ fo≥ thi≤ bit¼ theε wait≤ agaiε unti∞ timσ t∩ se⌠ thσ ánex⌠ ì
  432. datß ábi⌠ leve∞ anΣ s∩ oε unti∞ al∞ datß bit≤ arσ sent« Lastl∙ thσ ásto≡ ì
  433. bi⌠ ái≤ sent« Thi≤ waitinτ durinτ eacΦ datß bi⌠ i≤ critica∞ anΣ mus⌠ ábσ ì
  434. accuratσ át∩ áwel∞ withiε 1%« Thi≤ i≤ accomplisheΣ áb∙ ásoftwarσ átiminτ ì
  435. loop≤ iε whicΦ thσ Z8░ i≤ doinτ nothinτ morσ thaε decrementinτ ß ánumbe≥ ì
  436. t∩ zero« Unfortunatel∙ thi≤ i≤ abou⌠ al∞ thσ Z8░ i≤ doing.
  437.  
  438. Interrup⌠s anΣ inputs...
  439.  ì
  440. Receivinτ datß i≤ donσ similarly¼ excep⌠ thσ incominτ level≤ arσ sampleΣ ì
  441. insteaΣ áoµ beinτ set« A≤ thσ precisσ timσ datß wil∞ bσ arrivinτ i≤ áno⌠ ìèknown¼ áthσ receivσ sequencσ i≤ triggereΣ b∙ aε interrup⌠ froφ thσ áPIO« ì
  442. Thi≤ áoccur≤ a≤ sooε a≤ ß transitioε froφ ß sto≡ bi⌠ t∩ ß star⌠ ábi⌠ ái≤ ì
  443. detecteΣ áb∙ áthσ PIO« Thσ softwarσ theε wait≤ unti∞ thσ cente≥ áoµ áthσ ì
  444. star⌠ ábit¼ átest≤ ái⌠ t∩ ensurσ i⌠ i≤ indeeΣ ß star⌠ ábit¼ áanΣ áiµ ás∩ ì
  445. continue≤ thσ proces≤ oµ receivinτ thσ incominτ character« EacΦ datß bi⌠ ì
  446. i≤ ásampleΣ a⌠ thσ appropriatσ timσ fo≥ ß zer∩ o≥ onσ anΣ áthσ áincominτ ì
  447. bytσ áassembled« Iµ thσ star⌠ bi⌠ tes⌠ indicate≤ i⌠ wasn'⌠ ß star⌠ ábit¼ ì
  448. thσ áprograφ áreturn≤ t∩ waitinτ fo≥ ß star⌠ bit« ┴ diagraφ ámake≤ áthi≤ ì
  449. clearer.
  450.  
  451.         Interrup⌠ receiveΣ here
  452.         ⁿ 
  453.         ÷  ÷ Star⌠ bi⌠ testeΣ herσ fo≥ validity     
  454. _______▀      ___▀      ___▀                ___▀      ________
  455.         |____ⁿ    ⁿ____ⁿ    ⁿ______________ⁿ    |____|
  456.         star⌠  ▐    ▐    ▐    ▐    ▐    ▐    ▐    ^ á sto≡ bit
  457.                |    |    |    |    |    |    |    |
  458.                Datß bit≤ sampleΣ a⌠ the≤e times
  459.  
  460. A majo≥ disadvantage...
  461.  
  462. Thi≤ ámethoΣ oµ sendinτ seria∞ datß ha≤ onσ biτ advantagσ ¡ i⌠ i≤ áchea≡ ì
  463. iε átha⌠ áß ábarσ áminimuφ oµ hardwarσ i≤ áused« áHoweve≥ áiε áterm≤ áoµ ì
  464. performancσ thi≤ methoΣ i≤ extremel∙ poor« Thσ CP╒ i≤ bus∙ creatinτ timσ ì
  465. delay≤ anΣ i≤ unablσ t∩ d∩ anythinτ elsσ whilσ ß characte≥ i≤ beinτ sen⌠ ì
  466. o≥ áreceived« It'≤ thσ receivσ functioε tha⌠ cause≤ thσ ámos⌠ áproblems¼ ì
  467. especiall∙ áiµ áwσ áarσ iε thσ middlσ oµ sendinτ áß ácharacte≥ áwheε áaε ì
  468. incominτ ácharacte≥ áarrives« áThi≤ require≤ ásomσ átrick∙ ásoftwarσ át∩ ì
  469. handle« áA≤ sooε a≤ thσ sto≡ bi⌠ oµ ß characte≥ i≤ recognizeΣ wσ caε ád∩ ì
  470. whateve≥ ha≤ t∩ bσ donσ witΦ tha⌠ character¼ bu⌠ wσ mus⌠ bσ finished¼ o≥ ì
  471. a⌠ áleas⌠ iε ß positioε t∩ handle¼ thσ nex⌠ star⌠ bi⌠ a≤ sooε a≤ ái⌠ ái≤ ì
  472. detected« ┴ failurσ t∩ d∩ s∩ lead≤ t∩ corrup⌠ o≥ missinτ characters« 
  473.  
  474. To∩ man∙ instruction≤... to∩ fe≈ cycles...
  475.  
  476. Le⌠ u≤ conside≥ aε examplσ t∩ makσ thi≤ ß littlσ clearer« A⌠ 240░ bauΣ ß ì
  477. sto≡ ábi⌠ ái≤ abou⌠ 0.416╢ millisecond≤ o≥ enougΦ timσ fo≥ áthσ áZ8░ át∩ ì
  478. executσ áabou⌠ á17╢ instructions« Thi≤ assume≤ thσ áaveragσ áinstructioε ì
  479. lengtΦ i≤ ╕ cycles« T∩ displa∙ ß characte≥ take≤ abou⌠ 9░ áinstructions« ì
  480. Howeve≥ át∩ áscrol∞ thσ screeε usinτ 'hardwarσ scrollingº á(thσ áfastes⌠ ì
  481. method⌐ átake≤ roughl∙ 44░ instruction≤ oε ß MicroBeσ withou⌠ colou≥ áo≥ ì
  482. 1,13╕ witΦ colour« T∩ eveε ou⌠ thi≤ differencσ thσ character≤ arσ storeΣ ì
  483. a≤ áreceiveΣ iε ß buffer¼ anΣ durinτ eacΦ sto≡ bi⌠ thσ MicroBeσ i≤ ábus∙ ì
  484. tryinτ t∩ empt∙ thi≤ buffer.
  485.  
  486. Caε thi≤ 'raceº bσ woε...
  487.  
  488. Thu≤ thσ MicroBeσ wil∞ kee≡ u≡ iµ it≤ averagσ characte≥ displa∙ ratσ ái≤ ì
  489. thσ samσ o≥ faste≥ thaε thσ incominτ datß rate« Oµ coursσ therσ arσ als∩ ì
  490. othe≥ importan⌠ function≤ t∩ bσ done« Fo≥ instancσ scanninτ thσ keyboarΣ ì
  491. t∩ seσ iµ wσ arσ tryinτ t∩ typσ somethingí Al∞ oµ thesσ othe≥ task≤ mus⌠ ì
  492. bσ accomplisheΣ iε thi≤ sto≡ bi⌠ window« Additionall∙ thσ prograφ itselµ ì
  493. ha≤ certaiε overhead≤ whicΦ canno⌠ bσ avoided« Thu≤ servicinτ ß softwarσ ì
  494. seria∞ por⌠ take≤ ove≥ 90Ñ oµ thσ tota∞ timσ thσ Z8░ ha≤ fo≥ processing« ì
  495. Les≤ thaε 10Ñ i≤ lef⌠ fo≥ everythinτ else.è
  496. Wil∞ thσ boa⌠ sink...
  497.  
  498. Don'⌠ áworr∙ áiµ yo⌡ didn'⌠ understanΣ thσ discussioε áabove« áMaybσ áaε ì
  499. analog∙ wil∞ help« Imaginσ ß rowinτ boa⌠ ou⌠ oε thσ oceaε iε ver∙ árougΦ ì
  500. sea≤ áanΣ onσ persoε bailing« Additionall∙ tha⌠ persoε spend≤ áonl∙ áonσ ì
  501. tentΦ áoµ áthσ timσ bailing¼ anΣ thσ res⌠ oµ thσ timσ áclinginτ át∩ áthσ ì
  502. gunwale≤ t∩ avoiΣ beinτ swep⌠ overboard« ProvideΣ tha⌠ persoε i≤ ablσ t∩ ì
  503. bai∞ equa∞ t∩ o≥ faste≥ thaε thσ boa⌠ i≤ takinτ oε water¼ thσ boa⌠ áwil∞ ì
  504. continuσ t∩ float.
  505.  
  506. ANS╔ rock≤ thσ boat...
  507.  
  508. Thσ ásituatioε witΦ ANS╔ onl∙ make≤ thing≤ worse« Thσ Z8░ ha≤ eveε ámorσ ì
  509. instruction≤ át∩ áperforφ t∩ providσ al∞ thσ beau⌠ áfeature≤ átha⌠ áANS╔ ì
  510. introduce≤ ¡ bu⌠ thσ sto≡ bi⌠ i≤ stil∞ thσ samσ length« Hencσ t∩ usσ thσ ì
  511. analog∙ above¼ ANS╔ 'rock≤ thσ boatº s∩ wσ shi≡ eveε morσ water« áWhat'≤ ì
  512. thσ ásolutioε át∩ áthi≤ problem┐ Wel∞ witΦ IM╨-AL╠ thσ áonl∙ áthinτ áthσ ì
  513. prograφ ácaε ád∩ ái≤ t∩ senΣ ß Contro∞-╙ t∩ áthσ áBulletiε áBoarΣ áwhicΦ ì
  514. indicate≤ 'sto≡ sendingº wheε thσ buffe≥ i≤ almos⌠ full« Thi≤ allow≤ thσ ì
  515. MicroBeσ át∩ catcΦ up« Wheε thσ buffe≥ i≤ almos⌠ empty¼ IM╨-AL╠ send≤ áß ì
  516. Contro∞-╤ whicΦ mean≤ 'restar⌠ sending'« Settinτ 'nullsº t∩ abou⌠ 1▓ áoε ì
  517. thσ BB╙ als∩ helps« I≤ therσ ß bette≥ way┐ IndeeΣ therσ is« ReaΣ on.
  518.  
  519. Hardwarσ t∩ thσ rescue...
  520.  
  521. MicroBeσ áprovideΣ ß solutioε t∩ thi≤ probleφ oε thσ Premiuφ áanΣ álate≥ ì
  522. 128δ machines« Thσ corσ boarΣ typσ 834▓ ha≤ provisioε fo≥ fittinτ aε SC├ ì
  523. anΣ thσ variou≤ suppor⌠ chips« ┴ cominτ articlσ iε thσ Beelinσ wil∞ sho≈ ì
  524. ho≈ thi≤ i≤ done« Bu⌠ ho≈ doe≤ aε SC├ help┐ Wel∞ i⌠ doe≤ al∞ thσ worδ iε ì
  525. lookinτ afte≥ thσ seria∞ ports« Wheε sendinτ i⌠ look≤ afte≥ thσ chorσ oµ ì
  526. sendinτ áthσ star⌠ bit¼ eacΦ datß bi⌠ iε turε anΣ lastl∙ thσ ásto≡ ábit« ì
  527. Similarl∙ áwitΦ incominτ character≤ thσ SC├ doe≤ thσ tasδ oµ áassemblinτ ì
  528. thσ ácharacte≥ áa≤ eacΦ bi⌠ i≤ received« Thσ SC├ caε eveε ástorσ áu≡ át∩ ì
  529. threσ ábyte≤ áiε áit≤ owε buffer≤ iµ necessary« Thu≤ thσ áZ8░ áha≤ ámorσ ì
  530. cycle≤ áavailablσ t∩ displa∙ characters¼ pol∞ thσ keyboard¼ displa∙ áthσ ì
  531. timσ iµ ß Rea∞ Timσ Clocδ i≤ installed¼ etc.
  532.  
  533. Doe≤ TELCO═ d∩ better...
  534.  
  535. Well¼ yo⌡ sa∙ ¡ 'TELCOMº seem≤ t∩ ruε faste≥ anΣ doesn'⌠ havσ al∞ áthesσ ì
  536. problems« áIndeeΣ i⌠ doe≤ iµ yo⌡ ignorσ thσ ANS╔ functions« áTelcoφ áwa≤ ì
  537. writteε áspecificall∙ áfo≥ áthσ MicroBeσ anΣ thu≤ al∞ áoµ áit≤ ácodσ ái≤ ì
  538. carefull∙ áoptimizeΣ fo≥ thσ 'Bee« IM╨ oε thσ othe≥ hanΣ wa≤ writteε át∩ ì
  539. ruε oε virtuall∙ an∙ CP/═ machinσ witΦ ß HARDWAR┼ seria∞ port« Thu≤ áit≤ ì
  540. codσ wa≤ no⌠ writteε fo≥ speeΣ bu⌠ fo≥ maximuφ functioε anΣ flexibility¼ ì
  541. anΣ áthi≤ áconsume≤ ácyclesí WitΦ ß hardwarσ seria∞ ápor⌠ áthi≤ ádoesn'⌠ ì
  542. matter« Thσ onl∙ optimizatioε tha⌠ caε bσ madσ t∩ IM╨ oε thσ 'Beσ i≤ áiε ì
  543. thσ áoverla∙ áanΣ ádispla∙ driver¼ ß smal∞ portioε oµ áthσ átota∞ ácode« ì
  544. Howeve≥ áTELCO═ ácanno⌠ ádispla∙ al∞ thσ ANS╔ ácode≤ áanΣ áthσ áGraphic≤ ì
  545. character≤ áa≤ useΣ b∙ thσ 'OPUSº Bulletiε Board≤ anyway¼ s∩ áreall∙ ái⌠ ì
  546. isn'⌠ ß valiΣ comparison« IM╨-AL╠ anΣ ANSIM╨ havσ mucΦ morσ functioε áiε ì
  547. thi≤ area.
  548.  
  549. Thσ Icinτ oε thσ Cake...è
  550. Well¼ áa≤ iµ thσ SC├ chi≡ didn'⌠ d∩ enougΦ fo≥ us¼ ANSIM╨ áexploit≤ áthσ ì
  551. MicroBeσ ásysteφ stil∞ further« B∙ usinτ totall∙ interrup⌠ driveε áinpu⌠ ì
  552. anΣ áoutpu⌠ áanΣ ß largσ receivσ buffe≥ ¡ speed≤ u≡ t∩ á5760░ ábauΣ áarσ ì
  553. easil∙ attained« Thi≤ make≤ ANSIM╨ particularl∙ usefu∞ fo≥ átransferrinτ ì
  554. program≤ ádirectl∙ betweeε machines¼ a≤ ha≤ beeε demonstrateΣ áa⌠ á SMU╟ ì
  555. meetings« áIM╨-AL╠ ái≤ sweatinτ doinτ 2400í Additionall∙ thσ áSC├ áport≤ ì
  556. havσ truσ RS23▓ levels¼ bette≥ interrup⌠ support¼ morσ 'handshakeº line≤ ì
  557. etc.
  558.  
  559. EnougΦ oµ this...
  560.  
  561. Well¼ áthσ sizσ oµ thi≤ articlσ indicate≤ wσ havσ reacheΣ thσ sto≡ ábit« ì
  562. (Sorry!⌐  Nex⌠ montΦ wσ wil∞ conside≥ anothe≥ oµ IMP'≤ beau⌠ feature≤ á¡ ì
  563. tha⌠ áoµ beinτ ablσ t∩ usσ ß modeφ witΦ thσ 'ATº o≥ Haye≤ ácommanΣ áset« ì
  564. Meanwhilσ kee≡ thosσ modem≤ oε-line« 
  565.  
  566.                    ------------------------------
  567.  
  568.      Title   'IMP for the MicroBee'  by Tony Ellis
  569.  
  570. Par⌠ 4« 'Intelligen⌠ Modems'
  571.  
  572. Onσ oµ thσ nicσ feature≤ oµ IM╨ i≤ it≤ abilit∙ t∩ handlσ aε áintelligen⌠ ì
  573. modeφ átha⌠ i≤ 'Hayesº compatible« Bu⌠ wai⌠ ß minutσ ¡ jus⌠ wha⌠ ái≤ áaε ì
  574. intelligen⌠ ámodeφ áanΣ wha⌠ doe≤ Haye≤ havσ t∩ d∩ witΦ áit┐ áWel∞ áthi≤ ì
  575. montΦ áwσ áwil∞ tr∙ t∩ cove≥ somσ oµ thσ fundamental≤ oµ áthi≤ átypσ áoµ ì
  576. modeφ anΣ it≤ inte≥-actioε witΦ IMP.
  577.  
  578. Dream≤ comσ true...
  579.  
  580. Afte≥ á continuall∙ rσ-diallinτ aε engageΣ numbe≥  witΦ ß áBeeModeφ áyo⌡ ì
  581. havσ áprobabl∙ ágo⌠ t∩ wonderinτ somethinτ alonτ áthσ áfollowinτ álines« ì
  582. Wouldn'⌠ i⌠ bσ nicσ iµ m∙ MicroBeσ coulΣ arrangσ ß datß¡ basσ oµ number≤ ì
  583. t∩ cal∞ ¡ dia∞ m∙ selecteΣ number≤ iε turn¼ determinσ whethe≥ thσ numbe≥ ì
  584. i≤ bus∙ o≥ ringing« Iµ bus∙ t∩ tr∙ thσ nex⌠ number¼ iµ ringinτ t∩ wai⌠ ß ì
  585. prescribeΣ átimσ át∩ seσ iµ thσ phonσ i≤ answereΣ áwitΦ áß árecognizablσ ì
  586. modeφ átone« Thi≤ communication≤ prograφ shoulΣ theε matcΦ it≤ speeΣ át∩ ì
  587. tha⌠ áse⌠ b∙ thσ modem¼ bee≡ t∩ indicatσ thi≤ tediou≤ busines≤ ha≤ ábeeε ì
  588. completeΣ áanΣ everything'≤ read∙ t∩ loτ ont∩ tha⌠ favouritσ BBS« áWell¼ ì
  589. dreaφ án∩ longe≥ ¡ thi≤ i≤ precisel∙ wha⌠ IM╨ anΣ ß 'Hayesº átypσ ámodeφ ì
  590. wil∞ d∩ fo≥ you.
  591.  
  592. Thσ 'Hayesº compatible...
  593.  
  594. Haye≤ i≤ t∩ modem≤ a≤ IB═ i≤ t∩ Persona∞ Computers« Haye≤ camσ ou⌠ áwitΦ ì
  595. ß áse⌠ áoµ ácommand≤ áfo≥ usinτ ß modeφ t∩ d∩ áthσ átype≤ áoµ áfunction≤ ì
  596. mentioneΣ áabovσ ¡ anΣ othe≥ manufacturer≤ decideΣ t∩ cop∙ theφ s∩ áthe∙ ì
  597. havσ áno≈ becomσ aε industr∙ standard« Thesσ command≤ arσ als∩ knowε áa≤ ì
  598. thσ 'ATº command≤ becausσ mos⌠ oµ theφ star⌠ witΦ thσ tw∩ letter≤ á'AT'¼ ì
  599. whicΦ áiε turε i≤ shor⌠ fo≥ 'ATtention'« Thσ followinτ i≤ ß lis⌠ oµ áthσ ì
  600. mos⌠ áofteε áuseΣ command≤ togethe≥ witΦ ß shor⌠ explanation« áYo⌡ áwil∞ ì
  601. neeΣ át∩ refe≥ t∩ you≥ modeφ manua∞ fo≥ thσ specifiπ áimplementatioε áb∙ ì
  602. thσ áámanufacturer« áJus⌠ álikσ áthσ áclones¼ ásomσ ámodem≤ ááarσ áámorσ ì
  603. 'compatibleº thaε others.è
  604. Basic 'ATº commands...
  605.  
  606. Thesσ arσ thσ morσ commoε A╘ commands¼ enougΦ t∩ ge⌠ yo⌡ started:
  607.  
  608. ATH░   ¡ se⌠ thσ modeφ oε-hooδ i.e« hanτ-up
  609. ATH▒   ¡ se⌠ thσ modeφ ofµ-hooδ i.e« connec⌠ t∩ thσ telephonσ line
  610. ATM░   ¡ turε speake≥ on
  611. ATM▒   ¡ turε speake≥ off
  612. ATLn   ¡ se⌠ speake≥ loudness wherσ n i≤ numbe≥ normall∙ froφ ▒ ¡ 3
  613. AT─Pn  ¡ pulsσ dia∞ numbe≥ ε anΣ ac⌠ upoε thσ responsσ appropriately
  614. ATDTε  ¡ tonσ dia∞ numbe≥ ε anΣ ac⌠ upoε thσ responsσ appropriately
  615. ATSn┐  ¡ quer∙ content≤ oµ ╙ Registe≥ numbe≥ 'n'
  616. ATSn=φ ¡ se⌠ content≤ oµ ╙ registe≥ 'nº equa∞ t∩ 'm'
  617. AT┌    ¡ reset
  618. AT┴    ¡ answe≥ anΣ tr∙ t∩ connec⌠
  619. AT╧    ¡ returε t∩ oε-linσ mode
  620. ATV░   ¡ givσ numeriπ resul⌠ codes
  621. ATV▒   ¡ givσ resul⌠ code≤ a≤ words
  622. ATXε   ¡ exten⌠ oµ monitoring¼ wherσ ° i≤ ß numbe≥ froφ ▒ ¡ 4
  623.  
  624. Modem≤ arσ Bilingual...
  625.  
  626. Onσ áo≥ tw∩ oµ thσ abovσ command≤ neeΣ ß bi⌠ morσ áexplanatioε á¡ ì
  627. Fo≥ áinstancσ ATV░ o≥ ATV1« Haye≤ modem≤ caε indicatσ thσ áresul⌠ ì
  628. oµ áthei≥ áaction≤ áb∙ áonσ oµ tw∩ ámethod≤ á¡ áeithe≥ áb∙ áusinτ ì
  629. descriptivσ  word≤ o≥ b∙ usinτ ß number« Thesσ are║-
  630.  
  631. Word≤(ATV1)    Number(ATV0)
  632. O╦             0
  633. CONNEC╘        1
  634. RIN╟           2
  635. N╧ CARRIE╥     3
  636. ERRO╥          4
  637. CONNEC╘ 120░   5
  638. N╧ DIALTON┼    6
  639. BUS┘           7
  640. N╧ ANSWE╥      8
  641. CONNEC╘ 60░    9
  642. CONNEC╘ 240░   10 
  643.  
  644. Thσ ATXε commanΣ basicall∙ select≤ thσ condition≤ unde≥ whicΦ thσ ámodeφ ì
  645. i≤ prepareΣ t∩ dial¼ anΣ whicΦ oµ thσ abovσ resul⌠ code≤ wil∞ bσ useΣ t∩ ì
  646. indicatσ thσ result(s)« Jus⌠ fo≥ thσ recorΣ IM╨ use≤ numeriπ result≤ anΣ ì
  647. thσ ATX┤ resul⌠ subset.
  648.  
  649. ╙ Registers...
  650.  
  651. Thσ 'Sº register≤ arσ ß serie≤ oµ memor∙ location≤ whicΦ eacΦ contaiε áß ì
  652. paramete≥ valuσ t∩ contro∞ ß selecteΣ operation« A⌠ powe≥-u≡ o≥ afte≥ áß ì
  653. rese⌠ áthesσ áregister≤ contaiε ß defaul⌠ valuσ tha⌠ i≤ ánormall∙ áquitσ ì
  654. usable« áHoweve≥ át∩ adΣ t∩ thσ flexibilit∙ oµ thσ modem¼ thesσ áma∙ ábσ ì
  655. changed« áThe∙ caε als∩ bσ querieΣ t∩ establisΦ thσ curren⌠ ávalue« áThσ ì
  656. numbe≥ áoµ áthesσ áregister≤ varie≤ betweeε modem≤ ádependinτ áupoε áthσ ì
  657. feature≤ áoffereΣ á¡ áthσ followinτ i≤ ß lis⌠ oµ thσ basiπ áone≤ áanΣ áß ìètypica∞ defaul⌠ valuσ iµ appropriatσ t∩ bσ se⌠ ║-
  658.  
  659. Registe≥  Descriptioε            Typica∞ Defaul⌠ Valuσ iε Decimal
  660.                                                           
  661. ░  Numbe≥ oµ ring≤ beforσ modeφ answer≤, ░ i≤ d∩n't answe≥      1
  662. ▒  Incominτ Rinτ Count¼ reset≤ afte≥ ╕ second≤ oµ n∩ rings
  663. ▓  Escapσ characte≥ putting modeφ int∩ commanΣ modσ            43
  664. │  Carriagσ Returε Characte≥ ¡ indicate≤ enΣ oµ commanΣ        13
  665. ┤  Linσ FeeΣ Characte≥ ¡ SenΣ b∙ modeφ a⌠ enΣ oµ resul⌠ codσ   10
  666. ╡  Backspacσ character¼ useΣ t∩ correc⌠ inpu⌠                   8
  667. ╢  Timσ iε second≤ t∩ Wai⌠ fo≥ Dialtonσ                         2
  668. ╖  Timσ iε second≤ t∩ wai⌠ fo≥ carrie≥ beforσ hanging u≡       │0   
  669. ╕  Pausσ timσ fo≥ commß iε dia∞ sequencσ iε second≤             0
  670. ╣  Timσ, iε multiple≤ oµ 10░ millisec≤, carrie≥ mus⌠ bσ stable
  671.    fo≥ iε orde≥ t∩ bσ recognized                                6
  672. 1░ Timσ¼ iε multiple≤ oµ 10░ millisecs¼ carrie≥ caε bσ lost
  673.    beforσ disconnectinτ                                         7
  674.  
  675. Bell≤ anΣ whistles...
  676.  
  677. Thσ áinformatioε áabovσ shoulΣ givσ yo⌡ aε introduction« áIε áonσ áshor⌠ ì
  678. articlσ átherσ i≤ n∩ wa∙ tha⌠ everythinτ caε bσ explained« Howeve≥ áthi≤ ì
  679. shoulΣ servσ a≤ ß basi≤ t∩ ge⌠ yo⌡ starteΣ anΣ makσ you≥ modem'≤ ámanua∞ ì
  680. morσ áunderstandable« Thσ morσ fanc∙ modem≤ givσ yo⌡ nicσ feature≤ ásucΦ ì
  681. a≤ áß ámemor∙ át∩ storσ you≥ norma∞ áconfiguratioε áanΣ áeveε átelephonσ ì
  682. numbers¼ áallow≤ yo⌡ t∩ forcσ thσ modeφ int∩ ß particula≥ mode¼ áprovidσ ì
  683. fo≥ synchronou≤ a≤ wel∞ a≤ asynchronou≤ transmissioε anΣ s∩ on« Oncσ yo⌡ ì
  684. caε d∩ al∞ thi≤ conside≥ yourselµ ß communication≤ expert!
  685.  
  686. ┴ fe≈ tips...
  687.  
  688. Iµ áyo⌡ áhavσ ß neeΣ t∩ usσ les≤ thaε thσ maximuφ speeΣ oµ áyou≥ ámodem¼ ì
  689. becausσ áoµ ß nois∙ linσ fo≥ instance¼ theε se⌠ IMP'≤ bauΣ ratσ át∩ áthσ ì
  690. lowe≥ áspeeΣ ábeforσ usinτ thσ 'CALº instruction« IM╨ wil∞ átheε áregarΣ ì
  691. thi≤ a≤ thσ highes⌠ speeΣ i⌠ ma∙ use« Somσ oµ thσ modem≤ witΦ morσ bell≤ ì
  692. anΣ áwhistle≤ áma∙ neeΣ t∩ bσ setu≡ witΦ suitablσ ádefaults« áWheε áyou≥ ì
  693. modeφ áha≤ ábeeε rese⌠ usinτ ATZ¼ theε thσ mode≤ se⌠ b∙ AT&▒ áanΣ áAT&D▓ ì
  694. neeΣ t∩ bσ thσ default« Yo⌡ wil∞ havσ t∩ refe≥ t∩ you≥ modeφ handbooδ oε ì
  695. ho≈ át∩ d∩ this« Yo⌡ migh⌠ havσ t∩ writσ tha⌠ configuratioε t∩ áthσ áNoε ì
  696. Volatilσ RA═ o≥ similar« Als∩ bσ awarσ tha⌠ somσ modem≤ wil∞ onl∙ accep⌠ ì
  697. thσ command≤ iε uppe≥ case« Wheε settinτ thσ 'Sº register≤ S1░ ough⌠ át∩ ì
  698. havσ áß greate≥ valuσ thaε S╣ s∩ tha⌠ momentar∙ carrie≥ ádropout≤ ádon'⌠ ì
  699. breaδ thσ connection.
  700.  
  701. Cable≤ anΣ things...
  702.  
  703. A≤ áthσ SC├ implementatioε doe≤ no⌠ providσ thσ DT╥ linσ witΦ áaε áRS23▓ ì
  704. interface¼ ANSIM╨ use≤ thσ RT╙ linσ a≤ iµ i⌠ werσ thσ DT╥ line« Thi≤ ái≤ ì
  705. indicateΣ iε thσ cablσ diagraφ withiε thσ ANSIM╨ Library« Thσ reasoε fo≥ ì
  706. thi≤ ái≤ áquitσ ástraigh⌠-forward« IM╨ use≤ thσ modem'≤ DT╥ álinσ áa≤ áß ì
  707. hardwarσ árese⌠ anΣ t∩ forcσ thσ modeφ  int∩ thσ  inactivatσ statσ áwheε ì
  708. exitinτ bacδ t∩ CP/M.
  709.  
  710. IM╨ doe≤ al∞ thσ work...
  711. èWσ ácoulΣ áoµ coursσ jus⌠ usσ thσ abovσ command≤ t∩ ácontro∞ áthσ ámodeφ ì
  712. manuall∙ á¡ ábu⌠ thi≤ i≤ ß lo⌠ oµ work« IM╨ 'knowsº áabou⌠ áthesσ ábasiπ ì
  713. command≤ áanΣ ho≈ t∩ usσ them¼ s∩ wh∙ no⌠ le⌠ IM╨ d∩ al∞ thσ work« áJus⌠ ì
  714. star⌠ áIM╨ a≤ indicateΣ iε Par⌠ ▒ oµ thi≤ series« Se⌠ thσ bauΣ áratσ át∩ ì
  715. matcΦ thσ highes⌠ speeΣ oµ you≥ modeφ anΣ theε typσ 'CALº oε thσ commanΣ ì
  716. linσ á(anΣ ánaturall∙ <RETURN>)« Surprise¼ surprise« IM╨ seem≤ át∩ ákno≈ ì
  717. quitσ áß álo⌠ oµ Sydne∙ BB╙ Numbersí Jus⌠ selec⌠ thσ ánumbe≥ áo≥ álette≥ ì
  718. agains⌠ áthσ áBoarΣ yo⌡ wisΦ t∩ connec⌠ t∩ anΣ watcΦ wha⌠ áhappens« áIM╨ ì
  719. wil∞ worδ witΦ thσ modeφ t∩ me⌠ you≥ request« Wha⌠ ß wonderfu∞ slaveí Iµ ì
  720. thσ ánumbe≥ ái≤ founΣ t∩ bσ busy¼ IM╨ wil∞ asδ i⌠ yo⌡ wan⌠ t∩ átr∙ áoncσ ì
  721. more¼ átr∙ continuousl∙ o≥ return« Yo⌡ caε als∩ tr∙ ß serie≤ oµ ánumber≤ ì
  722. b∙ áseparatinτ theφ witΦ spaces« A≤ yo⌡ remembe≥ thσ code≤ theε yo⌡ ácaε ì
  723. usσ áß áshor⌠ ácu⌠ áb∙ puttinτ thσ codσ afte≥ CAL« áThu≤ á'CA╠ áSº áwil∞ ì
  724. immediatel∙ tr∙ SMU╟ anΣ no⌠ bothe≥ displayinτ thσ telephonσ ádirectory« ì
  725. Als∩ áiµ áthσ numbe≥ yo⌡ wan⌠ i≤ no⌠ iε thσ lis⌠ ¡ no⌠ t∩ worr∙ á¡ ájus⌠ ì
  726. typσ 'CA╠ 1234567º wherσ 1234546╖ i≤ whateve≥ numbe≥ yo⌡ wan⌠ ¡ IM╨ wil∞ ì
  727. d∩ thσ rest.
  728.  
  729. Tailorinτ thσ Library...
  730.  
  731. Oµ ácoursσ thσ telephonσ numbe≥ lis⌠ wil∞ no⌠ sui⌠ everyone¼ áespeciall∙ ì
  732. thosσ áno⌠ iε Sydney« Neve≥ fear¼ IM╨ ha≤ ß utilit∙ t∩ hel≡ áchangσ áthσ ì
  733. description≤ áanΣ ánumber≤ fo≥ you« I⌠ i≤ calleΣ 'I2LIBº áanΣ ábotΦ áthσ ì
  734. prograφ áanΣ ádocumentatioε arσ iε thσ IMP24╡ Library« Jus⌠ áfollo≈ áthσ ì
  735. instruction≤ anΣ yo⌡ wil∞ havσ you≥ owε personalizeΣ library.
  736.  
  737. Tailorinτ diallinτ anΣ speeds...
  738.  
  739. Whilσ wσ arσ oε thσ subjec⌠ oµ tailoring¼ anothe≥ fe≈ point≤ neeΣ t∩ ábσ ì
  740. considered« áNaturall∙ IM╨ wil∞ neeΣ t∩ kno≈ thσ maximuφ speeΣ áoµ áyou≥ ì
  741. modem¼ whethe≥ you≥ exchangσ caε handlσ tonσ diallinτ (preferred⌐ o≥ ha≤ ì
  742. t∩ ápulsσ dial¼ anΣ s∩ on« Thi≤ i≤ wherσ IMPATC╚ goe≤ int∩ play« áAgain¼ ì
  743. jus⌠ áreaΣ thσ documentatioε anΣ follo≈ thσ instruction≤ anΣ al∞ áshoulΣ ì
  744. bσ peache≤ anΣ cream.
  745.  
  746. Dis-connecting...
  747.  
  748. Well¼ áthσ áEdito≥ áwil∞ hanτ-u≡ oε mσ iµ áthi≤ áarticlσ ácontinue≤ áan∙ ì
  749. longer¼ s∩ whilσ therσ i≤ stil∞ carrie≥ I'l∞ logoffí Nex⌠ montΦ wσ áwil∞ ì
  750. continuσ áb∙ discussinτ functioε key≤ anΣ somσ usabilit∙ hints« áIµ áyo⌡ ì
  751. havσ áan∙ question≤ o≥ wan⌠ t∩ seσ ß topiπ discusseΣ ¡ bσ surσ át∩ áask« ì
  752. 'Ti∞ theε ma∙ al∞ you≥ connection≤ bσ noisσ free...
  753.  
  754.                    ------------------------------
  755.  
  756.      Title   'IMP for the MicroBee'  by Tony Ellis
  757.  
  758.  
  759. Par⌠ 5« 'Utilitie≤ anΣ Hardware'
  760.  
  761. Thi≤ montΦ wσ wil∞ tr∙ t∩ tiσ u≡ somσ oµ thσ 'loosσ endsº regardinτ áIM╨ ì
  762. fo≥ áthσ MicroBeσ b∙ coverinτ tw∩ topics« Thσ firs⌠ i≤ ß ádiscussioε áoµ ì
  763. onσ áo≥ átw∩ áne≈ utilitie≤ fo≥ IMP¼ anΣ theε ß ádiscussioε áoµ ávariou≤ ì
  764. hardwarσ addition≤ t∩ thσ MicroBeσ tha⌠ IM╨ wil∞ makσ usσ of.
  765. èThσ Capturσ File...
  766.  
  767. WitΦ áthσ introductioε oµ thσ abilit∙ t∩ handlσ ANS╔ ha≤ comσ áthσ áneeΣ ì
  768. fo≥ áß áutilit∙ át∩ handlσ thσ filσ createΣ b∙ áIM╨ áwheε áthσ átermina∞ ì
  769. sessioε ái≤ ácaptured« Thi≤ filσ i≤ createΣ b∙ áusinτ á'╘ áfilename.typº ì
  770. commanΣ áanΣ contain≤ al∞ thσ character≤ receiveΣ froφ thσ áremotσ áend« ì
  771. Thi≤ caε causσ problem≤ iε threσ areas.
  772.  
  773. Thσ End-of-Filσ character...
  774.  
  775. Wordsta≥ áanΣ simila≥ WorΣ Processor≤ usσ 'Contro∞-Zº o≥ he° 1┴ t∩ ámarδ ì
  776. thσ enΣ oµ ß file« Thi≤ i≤ necessar∙ becausσ thσ CP/═ director∙ caε onl∙ ì
  777. definσ thσ filσ lengtΦ t∩ thσ neares⌠ 12╕ bytes« Consequentl∙ thi≤ áenΣ-ì
  778. oµ-filσ marke≥ i≤ useΣ t∩ sho≈ wherσ withiε thσ las⌠ 12╕ bytσ blocδ áthσ ì
  779. rea∞ áenΣ áoµ filσ is« WitΦ thi≤ backgrounΣ ou⌠ oµ thσ wa∙ áwσ ácaε áno≈ ì
  780. understanΣ áthσ áproblem« áCommunication≤ viß modeφ ái≤ ásusceptiblσ át∩ ì
  781. noise¼ anΣ noisσ produce≤ garbleΣ characters« I⌠ sometime≤ happen≤ átha⌠ ì
  782. ß he°  1┴ characte≥ i≤ generateΣ withiε thi≤ garbleΣ mess¼ anΣ oµ coursσ ì
  783. iµ áwσ wisΦ t∩ edi⌠ ou≥ filσ fo≥ an∙ reason¼ thσ Edito≥ wil∞ áthinδ áthσ ì
  784. firs⌠ he° 1┴ encountereΣ i≤ thσ enΣ-oµ-file« Thu≤ ß utilit∙ i≤ needeΣ t∩ ì
  785. removσ thesσ embeddeΣ anΣ unwanteΣ 1┴ characters.
  786.  
  787. Remova∞ oµ ANSI anΣ Graphic≤ character≤ anΣ a≤ well...
  788.  
  789. Thσ áseconΣ áthinτ átha⌠ mos⌠ WorΣ Processor≤ objec⌠ t∩ ái≤ áANS╔ ácode≤ ì
  790. scattereΣ throughou⌠ thσ file« Thi≤ i≤ becausσ thesσ code≤ contaiε áman∙ ì
  791. unprintablσ character≤ and/o≥ sequence≤ tha⌠ confusσ thσ WorΣ Processor« ì
  792. Thu≤ áou≥ utilit∙ prograφ als∩ ha≤ t∩ recognizσ thesσ code≤ áanΣ áremovσ ì
  793. them« Lastl∙ therσ arσ thσ Graphic≤ character≤ whicΦ havσ thσ eightΦ bi⌠ ì
  794. set« áNo≈ thesσ reall∙ throw≤ WordSta≥ int∩ ß spiε a≤ WordSta≥ use≤ áthσ ì
  795. eigh⌠ bi⌠ fo≥ formattinτ purposes« S∩ the∙ to∩ mus⌠ go.
  796.  
  797. Ente≥ ZAPANSI (druφ roll......)
  798.  
  799. Thi≤ utilit∙ solve≤ thσ problem≤ jus⌠ described« I⌠ doe≤ s∩ b∙ analyzinτ ì
  800. thσ áfilσ áanΣ ámodifyinτ ái⌠ a≤ áit'≤ ábeinτ ácopied« áAn∙ áenΣ-oµ-filσ ì
  801. character≤ áarσ áremoved¼ ANS╔ sequence≤ arσ ásimilarl∙ árecognizeΣ áanΣ ì
  802. eliminated« áGraphic≤ ácharacter≤ however¼ arσ treateΣ ádifferently« áA≤ ì
  803. the∙ áarσ ofteε useΣ fo≥ formattinτ o≥ positioninτ the∙ arσ replaceΣ áb∙ ì
  804. space≤ s∩ thσ layou⌠ oµ thσ filσ anΣ it≤ readabilit∙ i≤ maintained« Jus⌠ ì
  805. typσ 'ZAPANSIº witΦ n∩ parameter≤ fo≥ help..« it'≤ eas∙ enougΦ t∩ use.
  806.  
  807. Thσ Phonσ Directory...
  808.  
  809. Thosσ átha⌠ áusσ IM╨ frequentl∙ witΦ ß Haye≤ typσ modeφ ásooε ábuilΣ áu≡ ì
  810. thei≥ personalizeΣ phonσ directory« I⌠ become≤ ß chorσ t∩ cop∙ al∞ thosσ ì
  811. number≤ áwheε ß ne≈ releasσ come≤ ou⌠ (sorr∙ abou⌠ that!⌐ Wel∞ yo⌡ áneeΣ ì
  812. suffe≥ án∩ álonger.« áPHONCOP┘ come≤ t∩ thσ rescue« áI⌠ áwil∞ ácop∙ áthσ ì
  813. relevan⌠ ásectioε froφ aε olΣ versioε oµ IM╨ t∩ thσ ne≈ onσ iε áseconds« ì
  814. Agaiε jus⌠ ruε thσ prograφ witΦ n∩ parameter≤ fo≥ hel≡ information« Thi≤ ì
  815. utilit∙ bσ availablσ iε Versioε 9.▓ whicΦ shoulΣ bσ read∙ nex⌠ month.
  816.  
  817. Hardwarσ Details...
  818.  
  819. Thσ álas⌠ poin⌠ tha⌠ need≤ explanatioε i≤ onσ oµ áhardwarσ árequirement≤ ìèfo≥ áIMP« Onσ iteφ i≤ mandatory« Yo⌡ mus⌠ havσ aε SC├ chi≡ installeΣ át∩ ì
  820. bσ ablσ t∩ usσ eithe≥ ANSIMP┴ o≥ ANSIMPB« Thσ othe≥ requirement≤ arσ al∞ ì
  821. optional« áEithe≥ IM╨-AL╠ o≥ ANSIM╨ wil∞ ruε oε ß minimuφ systeφ witΦ áß ì
  822. monochromσ áscreen« áBu⌠ iµ yo⌡ havσ addeΣ an∙  enhancements¼ átheε áIM╨ ì
  823. wil∞ áusσ áthem« Wheε IM╨ i≤ firs⌠ invokeΣ i⌠ doe≤ aε áanalysi≤ áoµ áthσ ì
  824. machinσ ái⌠ ái≤ árunninτ on« S∩ iµ yo⌡ havσ ß áPremium¼ áRT├ áo≥ ácolou≥ ì
  825. (eithe≥ áthσ olde≥ 12╕ machinσ o≥ ß Premium⌐ theε IM╨ takσ advantagσ áoµ ì
  826. them« 
  827.  
  828. IM╨ anΣ thσ Premium...
  829.  
  830. Oε thσ Premiuφ botΦ IMP≤ arσ ablσ t∩ makσ usσ oµ thσ extrß PC╟ memor∙ t∩ ì
  831. providσ áß mucΦ bette≥ ANS╔ implementation« Additionall∙ iµ yo⌡ áhavσ áß ì
  832. Premiuφ áanΣ havσ addeΣ monochromσ dua∞ intensit∙ o≥  hardwarσ áflashinτ ì
  833. theε áagaiε áthe∙ wil∞ bσ utilized« Anothe≥ serie≤ árunninτ áiε áBeelinσ ì
  834. describe≤ áho≈ t∩ adΣ thesσ hardwarσ additions« Versioε 9.▓ áoµ áIM╨-AL╠ ì
  835. currentl∙ áunde≥ ádevelopmen⌠ áwil∞ als∩ determinσ áiµ áthσ ámachinσ ái≤ ì
  836. runninτ a⌠ 6.7╡ Mhz¼ anΣ iµ so¼ offe≥ aε additiona∞ optioε oµ 480░ baud.
  837.  
  838. Anothe≥ End-of_file...
  839.  
  840. Wel∞ átha⌠ ájus⌠ abou⌠ wrap≤ u≡ thi≤ serie≤ oε IM╨ oε thσ áMicroBee« áWσ ì
  841. havσ áreacheΣ áthσ 'enΣ-oµ-file'« I⌠ ha≤ beeε fuε áintroducinτ áIM╨ áanΣ ì
  842. hopefull∙ thi≤ serie≤ wil∞ havσ giveε yo⌡ enougΦ backgrounΣ áinformatioε ì
  843. t∩ ág∩ áoε anΣ discove≥ anΣ usσ morσ oµ thσ functioε iε áthi≤ áexcellen⌠ ì
  844. program« Ever∙ timσ ╔ reaΣ thσ IMP.DO├ filσ ╔ learε more¼ o≥ aφ remindeΣ ì
  845. oµ somσ featurσ ╔ coulΣ makσ bette≥ usσ of« ╔ hopσ IM╨ provide≤ yo⌡ áthσ ì
  846. samσ deligh⌠ anΣ enjoyment« Thanδ-yo⌡ Ir÷ Hoff....
  847.  
  848.                              TH┼ END
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