/ Developer CD Series 1994 …ember: Reference Library / Dev.CD Dec 94.toast / Technical Documentation / Mac Tech Notes (DocViewer) / DV • Devices / DV21 Serial PollProc

< prev

next >

MacOS 8.1

Win98

DOS

browse contents

view JSON data

view as text

+--------+-------------------------+-------------------------+--------+--------+
|00000000| 00 14 44 56 32 31 20 53 | 65 72 69 61 6c 20 50 6f |..DV21 S|erial Po|
|00000010| 6c 6c 50 72 6f 63 00 00 | 00 00 00 00 00 00 00 00 |llProc..|........|
|00000020| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000030| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000040| 00 4f 4e 4c 4e 48 4c 58 | 32 01 00 00 00 00 00 00 |.ONLNHLX|2.......|
|00000050| 00 00 00 00 00 73 6a 00 | 00 07 0b aa b1 dc 21 aa |.....sj.|......!.|
|00000060| d1 b0 ed 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000070| 00 00 00 00 00 00 00 00 | 00 00 81 81 34 46 00 00 |........|....4F..|
|00000080| 44 56 20 32 31 20 2d 20 | 53 65 72 69 61 6c 20 50 |DV 21 - |Serial P|
|00000090| 6f 6c 6c 50 72 6f 63 0d | 44 65 76 69 63 65 73 09 |ollProc.|Devices.|
|000000a0| 0d 57 72 69 74 74 65 6e | 20 62 79 3a 09 52 69 63 |.Written| by:.Ric|
|000000b0| 68 20 d2 49 20 53 65 65 | 20 43 6f 6c 6f 72 73 d3 |h .I See| Colors.|
|000000c0| 20 43 6f 6c 6c 79 65 72 | 20 26 20 44 61 76 65 20 | Collyer| & Dave |
|000000d0| 57 6f 6e 67 09 4a 75 6e | 65 20 31 39 39 32 0d 54 |Wong.Jun|e 1992.T|
|000000e0| 68 69 73 20 54 65 63 68 | 6e 69 63 61 6c 20 4e 6f |his Tech|nical No|
|000000f0| 74 65 20 64 69 73 63 75 | 73 73 65 73 20 68 6f 77 |te discu|sses how|
|00000100| 20 74 6f 20 6d 61 6b 65 | 20 61 20 50 6f 6c 6c 50 | to make| a PollP|
|00000110| 72 6f 63 20 66 6f 72 20 | 79 6f 75 72 20 4d 49 44 |roc for |your MID|
|00000120| 49 20 28 4d 75 73 69 63 | 61 6c 20 49 6e 73 74 72 |I (Music|al Instr|
|00000130| 75 6d 65 6e 74 20 44 69 | 67 69 74 61 6c 20 49 6e |ument Di|gital In|
|00000140| 74 65 72 66 61 63 65 29 | 20 64 72 69 76 65 72 20 |terface)| driver |
|00000150| 6f 6e 20 74 68 65 20 4d | 61 63 69 6e 74 6f 73 68 |on the M|acintosh|
|00000160| 20 50 6f 77 65 72 42 6f | 6f 6b 20 31 34 30 20 61 | PowerBo|ok 140 a|
|00000170| 6e 64 20 31 37 30 2e 0d | 46 6f 72 20 4d 49 44 49 |nd 170..|For MIDI|
|00000180| 20 43 6f 6e 73 75 6d 70 | 74 69 6f 6e 20 4f 6e 6c | Consump|tion Onl|
|00000190| 79 0d 59 6f 75 20 61 72 | 65 20 77 72 69 74 69 6e |y.You ar|e writin|
|000001a0| 67 20 79 6f 75 72 20 6f | 77 6e 20 4d 49 44 49 20 |g your o|wn MIDI |
|000001b0| 64 72 69 76 65 72 20 61 | 6e 64 20 79 6f 75 72 20 |driver a|nd your |
|000001c0| 64 72 69 76 65 72 20 64 | 6f 65 73 20 6e 6f 74 20 |driver d|oes not |
|000001d0| 66 75 6c 6c 79 20 77 6f | 72 6b 20 6f 6e 20 74 68 |fully wo|rk on th|
|000001e0| 65 20 50 6f 77 65 72 42 | 6f 6f 6b 20 31 37 30 2f |e PowerB|ook 170/|
|000001f0| 31 34 30 2e 20 54 68 65 | 20 50 6f 6c 6c 50 72 6f |140. The| PollPro|
|00000200| 63 20 73 75 70 70 6f 72 | 74 20 74 68 61 74 20 6d |c suppor|t that m|
|00000210| 69 67 68 74 20 68 65 6c | 70 20 73 6f 6c 76 65 20 |ight hel|p solve |
|00000220| 79 6f 75 72 20 70 72 6f | 62 6c 65 6d 20 68 61 73 |your pro|blem has|
|00000230| 20 62 65 65 6e 20 75 6e | 64 6f 63 75 6d 65 6e 74 | been un|document|
|00000240| 65 64 20 75 6e 74 69 6c | 20 6e 6f 77 20 62 65 63 |ed until| now bec|
|00000250| 61 75 73 65 20 69 74 20 | 68 61 73 20 61 20 62 75 |ause it |has a bu|
|00000260| 67 20 69 6e 20 69 74 20 | 77 68 69 63 68 20 69 66 |g in it |which if|
|00000270| 20 65 76 65 72 20 66 69 | 78 65 64 20 77 6f 75 6c | ever fi|xed woul|
|00000280| 64 20 63 61 75 73 65 20 | 6d 61 6a 6f 72 20 70 72 |d cause |major pr|
|00000290| 6f 62 6c 65 6d 73 20 77 | 69 74 68 20 65 76 65 72 |oblems w|ith ever|
|000002a0| 79 20 50 6f 6c 6c 50 72 | 6f 63 20 65 76 65 72 20 |y PollPr|oc ever |
|000002b0| 6d 61 64 65 2e 20 54 68 | 65 20 62 75 67 20 69 73 |made. Th|e bug is|
|000002c0| 20 69 6e 20 74 68 65 20 | 77 61 79 20 74 68 61 74 | in the |way that|
|000002d0| 20 74 68 65 20 50 6f 6c | 6c 50 72 6f 63 20 6d 65 | the Pol|lProc me|
|000002e0| 63 68 61 6e 69 73 6d 20 | 68 61 6e 64 6c 65 73 20 |chanism |handles |
|000002f0| 64 61 74 61 20 65 72 72 | 6f 72 73 20 2d 20 69 74 |data err|ors - it|
|00000300| 20 64 6f 65 73 6e 27 74 | 2e 20 20 41 74 20 73 6f | doesn't|.  At so|
|00000310| 6d 65 20 70 6f 69 6e 74 | 20 74 68 69 73 20 6d 69 |me point| this mi|
|00000320| 67 68 74 20 67 65 74 20 | 66 69 78 65 64 20 61 6e |ght get |fixed an|
|00000330| 64 20 61 6e 20 66 69 78 | 20 77 6f 75 6c 64 20 72 |d an fix| would r|
|00000340| 65 71 75 69 72 65 20 63 | 68 61 6e 67 65 73 20 74 |equire c|hanges t|
|00000350| 6f 20 61 6e 79 20 65 78 | 69 73 74 69 6e 67 20 50 |o any ex|isting P|
|00000360| 6f 6c 6c 50 72 6f 63 73 | 2e 20 57 65 20 61 72 65 |ollProcs|. We are|
|00000370| 20 6f 6e 6c 79 20 64 6f | 63 75 6d 65 6e 74 69 6e | only do|cumentin|
|00000380| 67 20 74 68 69 73 20 6e | 6f 77 20 62 65 63 61 75 |g this n|ow becau|
|00000390| 73 65 20 77 65 20 28 41 | 70 70 6c 65 29 20 77 6f |se we (A|pple) wo|
|000003a0| 75 6c 64 20 6c 69 6b 65 | 20 74 6f 20 73 65 65 20 |uld like| to see |
|000003b0| 68 69 67 68 20 73 70 65 | 65 64 20 4d 49 44 49 20 |high spe|ed MIDI |
|000003c0| 64 61 74 61 20 74 72 61 | 6e 73 66 65 72 73 20 77 |data tra|nsfers w|
|000003d0| 6f 72 6b 69 6e 67 20 6f | 6e 20 74 68 65 20 50 6f |orking o|n the Po|
|000003e0| 77 65 72 42 6f 6f 6b 20 | 31 37 30 2f 31 34 30 2c |werBook |170/140,|
|000003f0| 20 61 6e 64 20 74 68 65 | 20 50 6f 6c 6c 50 72 6f | and the| PollPro|
|00000400| 63 20 73 75 70 70 6f 72 | 74 20 69 73 20 74 68 65 |c suppor|t is the|
|00000410| 20 6f 6e 6c 79 20 73 6f | 6c 75 74 69 6f 6e 20 77 | only so|lution w|
|00000420| 65 20 68 61 76 65 20 62 | 65 65 6e 20 61 62 6c 65 |e have b|een able|
|00000430| 20 74 6f 20 63 6f 6d 65 | 20 75 70 20 77 69 74 68 | to come| up with|
|00000440| 2e 20 49 66 20 79 6f 75 | 20 64 6f 20 75 73 65 20 |. If you| do use |
|00000450| 74 68 69 73 20 69 6e 66 | 6f 72 6d 61 74 69 6f 6e |this inf|ormation|
|00000460| 2c 20 62 65 20 61 77 61 | 72 65 20 74 68 61 74 20 |, be awa|re that |
|00000470| 74 68 65 20 50 6f 6c 6c | 50 72 6f 63 20 6d 65 63 |the Poll|Proc mec|
|00000480| 68 61 6e 69 73 6d 20 6d | 61 79 20 63 68 61 6e 67 |hanism m|ay chang|
|00000490| 65 20 69 6e 20 74 68 65 | 20 66 75 74 75 72 65 20 |e in the| future |
|000004a0| 61 6e 64 20 77 68 65 6e | 20 69 74 20 64 6f 65 73 |and when| it does|
|000004b0| 20 79 6f 75 72 20 50 6f | 6c 6c 50 72 6f 63 20 77 | your Po|llProc w|
|000004c0| 69 6c 6c 20 6e 65 65 64 | 20 74 6f 20 63 68 61 6e |ill need| to chan|
|000004d0| 67 65 2e 20 57 65 20 64 | 6f 20 6e 6f 74 20 72 65 |ge. We d|o not re|
|000004e0| 63 6f 6d 6d 65 6e 64 20 | 74 68 65 20 75 73 65 20 |commend |the use |
|000004f0| 6f 66 20 50 6f 6c 6c 50 | 72 6f 63 20 6d 65 63 68 |of PollP|roc mech|
|00000500| 61 6e 69 73 6d 73 20 6f | 6e 20 61 6e 79 20 6f 74 |anisms o|n any ot|
|00000510| 68 65 72 20 4d 61 63 69 | 6e 74 6f 73 68 20 63 6f |her Maci|ntosh co|
|00000520| 6d 70 75 74 65 72 73 2e | 0d 57 68 61 74 20 74 68 |mputers.|.What th|
|00000530| 65 20 50 72 6f 62 6c 65 | 6d 20 49 73 0d 57 68 65 |e Proble|m Is.Whe|
|00000540| 6e 20 64 6f 69 6e 67 20 | 61 20 6c 61 72 67 65 20 |n doing |a large |
|00000550| 64 61 74 61 20 64 75 6d | 70 2c 20 73 75 63 68 20 |data dum|p, such |
|00000560| 61 73 20 64 6f 77 6e 6c | 6f 61 64 69 6e 67 20 4d |as downl|oading M|
|00000570| 49 44 49 20 69 6e 73 74 | 72 75 6d 65 6e 74 73 20 |IDI inst|ruments |
|00000580| 6f 72 20 73 61 6d 70 6c | 65 64 20 73 6f 75 6e 64 |or sampl|ed sound|
|00000590| 73 2c 20 4d 49 44 49 20 | 64 61 74 61 20 6f 76 65 |s, MIDI |data ove|
|000005a0| 72 72 75 6e 73 20 74 68 | 65 20 69 6e 70 75 74 20 |rruns th|e input |
|000005b0| 73 65 72 69 61 6c 20 70 | 6f 72 74 20 6f 6e 20 74 |serial p|ort on t|
|000005c0| 68 65 20 50 6f 77 65 72 | 42 6f 6f 6b 20 31 37 30 |he Power|Book 170|
|000005d0| 2f 31 34 30 2e 0d 42 61 | 63 6b 67 72 6f 75 6e 64 |/140..Ba|ckground|
|000005e0| 0d a5 09 4d 49 44 49 20 | 64 65 76 65 6c 6f 70 65 |...MIDI |develope|
|000005f0| 72 73 20 61 6e 64 20 75 | 73 65 72 73 20 68 61 76 |rs and u|sers hav|
|00000600| 65 20 62 65 65 6e 20 72 | 65 70 6f 72 74 69 6e 67 |e been r|eporting|
|00000610| 20 70 72 6f 62 6c 65 6d | 73 20 74 68 61 74 20 6f | problem|s that o|
|00000620| 63 63 75 72 20 6f 6e 20 | 50 6f 77 65 72 42 6f 6f |ccur on |PowerBoo|
|00000630| 6b 20 31 37 30 2f 31 34 | 30 2e 20 54 68 65 20 73 |k 170/14|0. The s|
|00000640| 70 65 63 69 66 69 63 20 | 70 72 6f 62 6c 65 6d 20 |pecific |problem |
|00000650| 64 65 73 63 72 69 62 65 | 64 20 62 79 20 74 68 65 |describe|d by the|
|00000660| 20 64 65 76 65 6c 6f 70 | 65 72 73 20 69 73 20 74 | develop|ers is t|
|00000670| 68 61 74 20 64 61 74 61 | 20 6f 76 65 72 72 75 6e |hat data| overrun|
|00000680| 20 65 72 72 6f 72 73 20 | 6f 63 63 75 72 20 28 74 | errors |occur (t|
|00000690| 68 61 74 20 69 73 2c 20 | 73 65 72 69 61 6c 20 64 |hat is, |serial d|
|000006a0| 61 74 61 20 69 73 20 6c | 6f 73 74 29 2e 20 4d 49 |ata is l|ost). MI|
|000006b0| 44 49 20 64 61 74 61 20 | 69 73 20 73 65 72 69 61 |DI data |is seria|
|000006c0| 6c 20 64 61 74 61 20 74 | 68 61 74 20 69 73 20 74 |l data t|hat is t|
|000006d0| 72 61 6e 73 6d 69 74 74 | 65 64 20 61 74 20 33 31 |ransmitt|ed at 31|
|000006e0| 2e 32 35 20 4b 62 61 75 | 64 2e 20 54 68 69 73 20 |.25 Kbau|d. This |
|000006f0| 6d 65 61 6e 73 20 74 68 | 61 74 20 6f 6e 65 20 62 |means th|at one b|
|00000700| 79 74 65 20 6f 66 20 64 | 61 74 61 20 69 73 20 74 |yte of d|ata is t|
|00000710| 72 61 6e 73 6d 69 74 74 | 65 64 20 61 70 70 72 6f |ransmitt|ed appro|
|00000720| 78 69 6d 61 74 65 6c 79 | 20 65 76 65 72 79 20 32 |ximately| every 2|
|00000730| 30 30 20 75 73 65 63 2e | 0d a5 09 54 68 65 20 73 |00 usec.|...The s|
|00000740| 65 72 69 61 6c 20 70 6f | 72 74 20 68 61 73 20 61 |erial po|rt has a|
|00000750| 20 74 68 72 65 65 2d 62 | 79 74 65 20 46 49 46 4f | three-b|yte FIFO|
|00000760| 2c 20 77 68 69 63 68 20 | 6d 65 61 6e 73 20 74 68 |, which |means th|
|00000770| 61 74 20 74 68 72 65 65 | 20 62 79 74 65 73 20 6f |at three| bytes o|
|00000780| 66 20 64 61 74 61 20 63 | 6f 75 6c 64 20 62 65 20 |f data c|ould be |
|00000790| 73 74 6f 72 65 64 20 74 | 65 6d 70 6f 72 61 72 69 |stored t|emporari|
|000007a0| 6c 79 20 62 65 66 6f 72 | 65 20 61 20 64 61 74 61 |ly befor|e a data|
|000007b0| 20 6f 76 65 72 72 75 6e | 20 28 64 61 74 61 20 6c | overrun| (data l|
|000007c0| 6f 73 73 29 2e 0d a5 09 | 54 68 65 20 4d 49 44 49 |oss)....|The MIDI|
|000007d0| 20 66 75 6e 63 74 69 6f | 6e 65 64 20 4f 4b 20 6f | functio|ned OK o|
|000007e0| 6e 20 74 68 65 20 6f 72 | 69 67 69 6e 61 6c 20 70 |n the or|iginal p|
|000007f0| 6f 72 74 61 62 6c 65 2c | 20 62 75 74 20 6a 75 73 |ortable,| but jus|
|00000800| 74 20 62 61 72 65 6c 79 | 2e 20 54 68 65 20 6f 76 |t barely|. The ov|
|00000810| 65 72 68 65 61 64 20 6f | 66 20 63 6f 6d 6d 75 6e |erhead o|f commun|
|00000820| 69 63 61 74 69 6e 67 20 | 74 6f 20 74 68 65 20 70 |icating |to the p|
|00000830| 6f 77 65 72 20 6d 61 6e | 61 67 65 72 20 6d 69 63 |ower man|ager mic|
|00000840| 72 6f 70 72 6f 63 65 73 | 73 6f 72 20 73 65 65 6d |roproces|sor seem|
|00000850| 73 20 74 6f 20 69 6e 74 | 65 72 66 65 72 65 20 77 |s to int|erfere w|
|00000860| 69 74 68 20 4d 49 44 49 | 2e 0d a5 09 54 68 65 20 |ith MIDI|....The |
|00000870| 31 37 30 2f 31 34 30 20 | 68 61 72 64 77 61 72 65 |170/140 |hardware|
|00000880| 20 72 65 71 75 69 72 65 | 64 20 63 65 72 74 61 69 | require|d certai|
|00000890| 6e 20 63 68 61 6e 67 65 | 73 20 74 6f 20 74 68 65 |n change|s to the|
|000008a0| 20 70 6f 77 65 72 20 6d | 61 6e 61 67 65 6d 65 6e | power m|anagemen|
|000008b0| 74 20 73 6f 66 74 77 61 | 72 65 20 62 65 63 61 75 |t softwa|re becau|
|000008c0| 73 65 20 6f 66 20 63 68 | 61 6e 67 65 73 20 69 6e |se of ch|anges in|
|000008d0| 20 74 68 65 20 68 61 72 | 64 77 61 72 65 2e 20 49 | the har|dware. I|
|000008e0| 6e 20 70 61 72 74 69 63 | 75 6c 61 72 2c 20 74 68 |n partic|ular, th|
|000008f0| 65 20 68 61 72 64 77 61 | 72 65 20 63 68 61 6e 67 |e hardwa|re chang|
|00000900| 65 73 20 72 65 71 75 69 | 72 65 64 20 63 68 61 6e |es requi|red chan|
|00000910| 67 65 73 20 74 6f 20 74 | 68 65 20 70 72 6f 74 6f |ges to t|he proto|
|00000920| 63 6f 6c 20 75 73 65 64 | 20 74 6f 20 63 6f 6d 6d |col used| to comm|
|00000930| 75 6e 69 63 61 74 65 20 | 74 6f 20 74 68 65 20 70 |unicate |to the p|
|00000940| 6f 77 65 72 20 6d 61 6e | 61 67 65 72 20 6d 69 63 |ower man|ager mic|
|00000950| 72 6f 70 72 6f 63 65 73 | 73 6f 72 2e 0d a5 09 54 |roproces|sor....T|
|00000960| 68 65 20 31 37 30 2f 31 | 34 30 20 68 61 73 20 73 |he 170/1|40 has s|
|00000970| 6f 66 74 77 61 72 65 20 | 62 61 63 6b 6c 69 67 68 |oftware |backligh|
|00000980| 74 20 63 6f 6e 74 72 6f | 6c 73 20 74 68 61 74 20 |t contro|ls that |
|00000990| 63 61 75 73 65 20 63 6f | 6e 73 74 61 6e 74 20 63 |cause co|nstant c|
|000009a0| 6f 6d 6d 75 6e 69 63 61 | 74 69 6f 6e 20 62 65 74 |ommunica|tion bet|
|000009b0| 77 65 65 6e 20 74 68 65 | 20 36 38 30 33 30 20 61 |ween the| 68030 a|
|000009c0| 6e 64 20 74 68 65 20 70 | 6f 77 65 72 20 6d 61 6e |nd the p|ower man|
|000009d0| 61 67 65 72 20 6d 69 63 | 72 6f 70 72 6f 63 65 73 |ager mic|roproces|
|000009e0| 73 6f 72 20 28 65 76 65 | 72 79 20 32 30 30 20 6d |sor (eve|ry 200 m|
|000009f0| 73 65 63 29 2e 0d 46 69 | 6e 64 69 6e 67 73 0d a5 |sec)..Fi|ndings..|
|00000a00| 09 54 68 65 20 4d 49 44 | 49 20 64 72 69 76 65 72 |.The MID|I driver|
|00000a10| 20 6c 6f 73 65 73 20 64 | 61 74 61 2e 20 54 68 65 | loses d|ata. The|
|00000a20| 20 31 37 30 2f 31 34 30 | 20 68 61 73 20 61 20 72 | 170/140| has a r|
|00000a30| 65 61 6c 2d 74 69 6d 65 | 20 70 72 6f 62 6c 65 6d |eal-time| problem|
|00000a40| 20 61 6e 64 20 69 73 20 | 6e 6f 74 20 61 62 6c 65 | and is |not able|
|00000a50| 20 74 6f 20 6b 65 65 70 | 20 75 70 20 77 69 74 68 | to keep| up with|
|00000a60| 20 73 75 73 74 61 69 6e | 65 64 20 4d 49 44 49 20 | sustain|ed MIDI |
|00000a70| 64 61 74 61 20 72 61 74 | 65 73 2e 20 54 68 65 20 |data rat|es. The |
|00000a80| 63 75 6c 70 72 69 74 20 | 69 73 20 74 68 65 20 63 |culprit |is the c|
|00000a90| 6f 6d 6d 75 6e 69 63 61 | 74 69 6f 6e 20 62 65 74 |ommunica|tion bet|
|00000aa0| 77 65 65 6e 20 74 68 65 | 20 36 38 30 33 30 20 61 |ween the| 68030 a|
|00000ab0| 6e 64 20 74 68 65 20 70 | 6f 77 65 72 20 6d 61 6e |nd the p|ower man|
|00000ac0| 61 67 65 72 20 6d 69 63 | 72 6f 70 72 6f 63 65 73 |ager mic|roproces|
|00000ad0| 73 6f 72 2e 20 44 75 72 | 69 6e 67 20 74 68 69 73 |sor. Dur|ing this|
|00000ae0| 20 63 6f 6d 6d 75 6e 69 | 63 61 74 69 6f 6e 2c 20 | communi|cation, |
|00000af0| 69 6e 74 65 72 72 75 70 | 74 73 20 6d 75 73 74 20 |interrup|ts must |
|00000b00| 62 65 20 64 69 73 61 62 | 6c 65 64 20 66 6f 72 20 |be disab|led for |
|00000b10| 61 20 63 65 72 74 61 69 | 6e 20 61 6d 6f 75 6e 74 |a certai|n amount|
|00000b20| 20 6f 66 20 74 69 6d 65 | 2e 0d a5 09 4f 6e 20 74 | of time|....On t|
|00000b30| 68 65 20 31 37 30 2f 31 | 34 30 2c 20 74 68 65 20 |he 170/1|40, the |
|00000b40| 70 72 6f 74 6f 63 6f 6c | 20 66 6f 72 20 74 68 69 |protocol| for thi|
|00000b50| 73 20 63 6f 6d 6d 75 6e | 69 63 61 74 69 6f 6e 20 |s commun|ication |
|00000b60| 77 61 73 20 63 68 61 6e | 67 65 64 20 66 72 6f 6d |was chan|ged from|
|00000b70| 20 74 68 61 74 20 6f 66 | 20 74 68 65 20 70 6f 72 | that of| the por|
|00000b80| 74 61 62 6c 65 2e 20 54 | 68 65 20 31 37 30 2f 31 |table. T|he 170/1|
|00000b90| 34 30 20 63 61 6e 20 63 | 61 75 73 65 20 69 6e 74 |40 can c|ause int|
|00000ba0| 65 72 72 75 70 74 20 62 | 6c 61 63 6b 6f 75 74 73 |errupt b|lackouts|
|00000bb0| 20 75 70 20 74 6f 20 36 | 20 6d 73 65 63 20 61 73 | up to 6| msec as|
|00000bc0| 20 63 6f 6d 70 61 72 65 | 64 20 74 6f 20 61 70 70 | compare|d to app|
|00000bd0| 72 6f 78 69 6d 61 74 65 | 6c 79 20 35 30 30 2d 37 |roximate|ly 500-7|
|00000be0| 30 30 20 75 73 65 63 20 | 6f 6e 20 74 68 65 20 70 |00 usec |on the p|
|00000bf0| 6f 72 74 61 62 6c 65 20 | 28 65 73 74 69 6d 61 74 |ortable |(estimat|
|00000c00| 69 6f 6e 20 6f 6e 6c 79 | 29 2e 20 41 73 73 75 6d |ion only|). Assum|
|00000c10| 69 6e 67 20 74 68 65 20 | 77 6f 72 73 74 20 63 61 |ing the |worst ca|
|00000c20| 73 65 2c 20 64 75 72 69 | 6e 67 20 74 68 65 20 36 |se, duri|ng the 6|
|00000c30| 20 6d 73 65 63 20 62 6c | 61 63 6b 6f 75 74 20 61 | msec bl|ackout a|
|00000c40| 73 20 6d 61 6e 79 20 61 | 73 20 33 30 20 4d 49 44 |s many a|s 30 MID|
|00000c50| 49 20 64 61 74 61 20 62 | 79 74 65 73 20 63 6f 75 |I data b|ytes cou|
|00000c60| 6c 64 20 68 61 76 65 20 | 62 65 65 6e 20 73 65 6e |ld have |been sen|
|00000c70| 74 2e 20 53 69 6e 63 65 | 20 74 68 65 20 46 49 46 |t. Since| the FIF|
|00000c80| 4f 20 6f 6e 20 74 68 65 | 20 73 65 72 69 61 6c 20 |O on the| serial |
|00000c90| 70 6f 72 74 20 69 73 20 | 6f 6e 6c 79 20 33 20 64 |port is |only 3 d|
|00000ca0| 65 65 70 2c 20 74 68 69 | 73 20 6d 65 61 6e 73 20 |eep, thi|s means |
|00000cb0| 74 68 61 74 20 61 73 20 | 6d 61 6e 79 20 61 73 20 |that as |many as |
|00000cc0| 32 37 20 62 79 74 65 73 | 20 63 6f 75 6c 64 20 68 |27 bytes| could h|
|00000cd0| 61 76 65 20 62 65 65 6e | 20 6c 6f 73 74 20 28 72 |ave been| lost (r|
|00000ce0| 65 6d 65 6d 62 65 72 20 | 74 68 65 73 65 20 61 72 |emember |these ar|
|00000cf0| 65 20 62 61 6c 6c 70 61 | 72 6b 20 66 69 67 75 72 |e ballpa|rk figur|
|00000d00| 65 73 20 6f 6e 6c 79 29 | 2e 0d a5 09 54 68 65 20 |es only)|....The |
|00000d10| 70 72 6f 62 6c 65 6d 20 | 69 73 20 61 67 67 72 61 |problem |is aggra|
|00000d20| 76 61 74 65 64 20 62 79 | 20 69 6e 63 72 65 61 73 |vated by| increas|
|00000d30| 65 64 20 70 6f 77 65 72 | 20 6d 61 6e 61 67 65 72 |ed power| manager|
|00000d40| 20 63 6f 6d 6d 75 6e 69 | 63 61 74 69 6f 6e 73 20 | communi|cations |
|00000d50| 66 6f 72 20 62 61 63 6b | 6c 69 67 68 74 20 63 6f |for back|light co|
|00000d60| 6e 74 72 6f 6c 73 2e 0d | 57 68 61 74 20 74 68 65 |ntrols..|What the|
|00000d70| 20 53 6f 6c 75 74 69 6f | 6e 20 49 73 0d a5 09 43 | Solutio|n Is...C|
|00000d80| 68 61 6e 67 69 6e 67 20 | 74 68 65 20 70 72 6f 74 |hanging |the prot|
|00000d90| 6f 63 6f 6c 20 74 6f 20 | 74 68 65 20 70 6f 77 65 |ocol to |the powe|
|00000da0| 72 20 6d 61 6e 61 67 65 | 72 20 6d 69 63 72 6f 70 |r manage|r microp|
|00000db0| 72 6f 63 65 73 73 6f 72 | 20 28 67 69 76 65 6e 20 |rocessor| (given |
|00000dc0| 74 68 65 20 68 61 72 64 | 77 61 72 65 20 63 6f 6e |the hard|ware con|
|00000dd0| 73 74 72 61 69 6e 74 73 | 29 20 69 73 20 6e 6f 74 |straints|) is not|
|00000de0| 20 70 72 61 63 74 69 63 | 61 6c 20 73 69 6e 63 65 | practic|al since|
|00000df0| 20 74 68 65 20 70 72 6f | 62 6c 65 6d 20 69 73 20 | the pro|blem is |
|00000e00| 6e 6f 74 20 63 6f 6d 70 | 6c 65 74 65 6c 79 20 73 |not comp|letely s|
|00000e10| 6f 6c 76 65 64 20 61 6e | 64 20 63 6f 75 6c 64 20 |olved an|d could |
|00000e20| 63 61 75 73 65 20 6f 74 | 68 65 72 20 73 79 73 74 |cause ot|her syst|
|00000e30| 65 6d 20 70 72 6f 62 6c | 65 6d 73 2e 0d a5 09 41 |em probl|ems....A|
|00000e40| 74 20 74 68 65 20 6d 6f | 6d 65 6e 74 2c 20 6e 6f |t the mo|ment, no|
|00000e50| 20 41 70 70 6c 65 2d 6f | 6e 6c 79 20 73 6f 6c 75 | Apple-o|nly solu|
|00000e60| 74 69 6f 6e 20 69 73 20 | 70 6f 73 73 69 62 6c 65 |tion is |possible|
|00000e70| 2e 0d a5 09 41 20 64 65 | 76 65 6c 6f 70 65 72 2d |....A de|veloper-|
|00000e80| 6f 6e 6c 79 20 73 6f 6c | 75 74 69 6f 6e 20 69 73 |only sol|ution is|
|00000e90| 20 70 6f 73 73 69 62 6c | 65 2e 20 43 75 72 72 65 | possibl|e. Curre|
|00000ea0| 6e 74 6c 79 20 61 6e 20 | 69 6e 74 65 72 6e 61 6c |ntly an |internal|
|00000eb0| 20 6d 65 63 68 61 6e 69 | 73 6d 20 65 78 69 73 74 | mechani|sm exist|
|00000ec0| 73 20 74 6f 20 6b 65 65 | 70 20 75 70 20 77 69 74 |s to kee|p up wit|
|00000ed0| 68 20 68 69 67 68 20 64 | 61 74 61 20 72 61 74 65 |h high d|ata rate|
|00000ee0| 73 20 6f 6e 20 74 68 65 | 20 6d 6f 64 65 6d 20 70 |s on the| modem p|
|00000ef0| 6f 72 74 2e 20 54 68 69 | 73 20 6d 65 63 68 61 6e |ort. Thi|s mechan|
|00000f00| 69 73 6d 2c 20 63 61 6c | 6c 65 64 20 50 6f 6c 6c |ism, cal|led Poll|
|00000f10| 50 72 6f 63 20 28 50 6f | 6c 6c 69 6e 67 20 50 72 |Proc (Po|lling Pr|
|00000f20| 6f 63 65 64 75 72 65 29 | 2c 20 77 69 6c 6c 20 61 |ocedure)|, will a|
|00000f30| 6c 6c 6f 77 20 74 68 65 | 20 52 4f 4d 20 63 6f 64 |llow the| ROM cod|
|00000f40| 65 20 74 6f 20 68 61 6e | 64 6c 65 20 74 68 65 20 |e to han|dle the |
|00000f50| 73 65 72 69 61 6c 20 70 | 6f 72 74 20 64 75 72 69 |serial p|ort duri|
|00000f60| 6e 67 20 6b 6e 6f 77 6e | 20 69 6e 74 65 72 72 75 |ng known| interru|
|00000f70| 70 74 20 62 6c 61 63 6b | 6f 75 74 20 77 69 6e 64 |pt black|out wind|
|00000f80| 6f 77 73 2c 20 77 68 69 | 63 68 20 68 65 6c 70 73 |ows, whi|ch helps|
|00000f90| 20 70 72 65 76 65 6e 74 | 20 64 61 74 61 20 6c 6f | prevent| data lo|
|00000fa0| 73 73 2e 20 54 68 65 20 | 70 6f 77 65 72 20 6d 61 |ss. The |power ma|
|00000fb0| 6e 61 67 65 72 20 63 6f | 6d 6d 75 6e 69 63 61 74 |nager co|mmunicat|
|00000fc0| 69 6f 6e 20 73 6f 66 74 | 77 61 72 65 20 63 75 72 |ion soft|ware cur|
|00000fd0| 72 65 6e 74 6c 79 20 63 | 68 65 63 6b 73 20 66 6f |rently c|hecks fo|
|00000fe0| 72 20 73 75 63 68 20 61 | 20 72 6f 75 74 69 6e 65 |r such a| routine|
|00000ff0| 20 61 6e 64 20 77 69 6c | 6c 20 75 73 65 20 69 74 | and wil|l use it|
|00001000| 20 61 75 74 6f 6d 61 74 | 69 63 61 6c 6c 79 20 69 | automat|ically i|
|00001010| 66 20 69 74 20 69 73 20 | 70 72 65 73 65 6e 74 2e |f it is |present.|
|00001020| 20 49 6e 20 61 64 64 69 | 74 69 6f 6e 20 74 6f 20 | In addi|tion to |
|00001030| 63 6f 72 72 65 63 74 69 | 6e 67 20 74 68 69 73 20 |correcti|ng this |
|00001040| 70 72 6f 62 6c 65 6d 2c | 20 74 68 69 73 20 77 69 |problem,| this wi|
|00001050| 6c 6c 20 61 6c 73 6f 20 | 61 6c 6c 6f 77 20 4d 49 |ll also |allow MI|
|00001060| 44 49 20 74 6f 20 70 65 | 72 66 6f 72 6d 20 64 75 |DI to pe|rform du|
|00001070| 72 69 6e 67 20 66 6c 6f | 70 70 79 20 61 63 74 69 |ring flo|ppy acti|
|00001080| 76 69 74 79 20 28 77 68 | 69 63 68 20 68 61 73 20 |vity (wh|ich has |
|00001090| 73 69 6d 69 6c 61 72 20 | 72 65 61 6c 2d 74 69 6d |similar |real-tim|
|000010a0| 65 20 70 72 6f 62 6c 65 | 6d 73 29 20 73 69 6e 63 |e proble|ms) sinc|
|000010b0| 65 20 74 68 65 20 66 6c | 6f 70 70 79 20 64 72 69 |e the fl|oppy dri|
|000010c0| 76 65 72 20 61 6c 73 6f | 20 63 68 65 63 6b 73 20 |ver also| checks |
|000010d0| 66 6f 72 20 50 6f 6c 6c | 50 72 6f 63 2e 0d 49 6e |for Poll|Proc..In|
|000010e0| 20 74 68 65 20 63 6f 64 | 65 20 77 68 69 63 68 20 | the cod|e which |
|000010f0| 69 73 20 69 6e 63 6c 75 | 64 65 64 20 61 74 20 74 |is inclu|ded at t|
|00001100| 68 65 20 65 6e 64 20 6f | 66 20 74 68 69 73 20 54 |he end o|f this T|
|00001110| 65 63 68 20 4e 6f 74 65 | 2c 20 74 68 65 72 65 20 |ech Note|, there |
|00001120| 69 73 20 61 20 65 78 74 | 72 61 20 50 72 6f 63 65 |is a ext|ra Proce|
|00001130| 64 75 72 65 20 77 68 69 | 63 68 20 69 73 20 63 61 |dure whi|ch is ca|
|00001140| 6c 6c 20 50 72 6f 63 65 | 73 73 42 79 74 65 2e 20 |ll Proce|ssByte. |
|00001150| 20 49 6e 20 74 68 65 20 | 73 61 6d 70 6c 65 20 74 | In the |sample t|
|00001160| 68 69 73 20 72 6f 75 74 | 69 6e 65 20 64 6f 65 73 |his rout|ine does|
|00001170| 20 6e 6f 74 68 69 6e 67 | 2e 20 20 54 68 65 20 72 | nothing|.  The r|
|00001180| 65 61 73 6f 6e 20 66 6f | 72 20 74 68 65 20 73 61 |eason fo|r the sa|
|00001190| 6d 70 6c 65 20 6e 6f 74 | 20 64 6f 69 6e 67 20 61 |mple not| doing a|
|000011a0| 6e 79 74 68 69 6e 67 20 | 69 73 20 64 75 65 20 74 |nything |is due t|
|000011b0| 6f 20 74 68 65 20 6e 61 | 74 75 72 65 20 6f 66 20 |o the na|ture of |
|000011c0| 74 68 65 20 72 6f 75 74 | 69 6e 65 2e 20 20 57 68 |the rout|ine.  Wh|
|000011d0| 61 74 20 74 68 65 20 72 | 6f 75 74 69 6e 65 20 64 |at the r|outine d|
|000011e0| 6f 65 73 20 69 73 20 63 | 6f 6d 70 6c 65 74 65 6c |oes is c|ompletel|
|000011f0| 79 20 64 65 70 65 6e 64 | 65 6e 74 20 6f 6e 20 77 |y depend|ent on w|
|00001200| 68 61 74 20 74 68 65 20 | 73 65 72 69 61 6c 20 64 |hat the |serial d|
|00001210| 72 69 76 65 72 20 69 73 | 20 64 6f 69 6e 67 20 6f |river is| doing o|
|00001220| 72 20 77 61 6e 74 73 20 | 74 6f 20 64 6f 20 77 69 |r wants |to do wi|
|00001230| 74 68 20 74 68 65 20 64 | 61 74 61 20 61 73 20 69 |th the d|ata as i|
|00001240| 74 20 69 73 20 72 65 61 | 64 20 69 6e 74 6f 20 74 |t is rea|d into t|
|00001250| 68 65 20 6d 61 63 68 69 | 6e 65 2e 20 20 54 68 69 |he machi|ne.  Thi|
|00001260| 73 20 72 6f 75 74 69 6e | 65 20 6d 69 67 68 74 20 |s routin|e might |
|00001270| 62 65 20 75 73 65 64 20 | 74 6f 20 64 65 63 6f 6d |be used |to decom|
|00001280| 70 72 65 73 73 20 64 61 | 74 61 2c 20 63 6f 6d 70 |press da|ta, comp|
|00001290| 72 65 73 73 20 64 61 74 | 61 2c 20 64 65 63 6f 64 |ress dat|a, decod|
|000012a0| 65 64 20 74 68 65 20 64 | 61 74 61 2c 20 6f 72 20 |ed the d|ata, or |
|000012b0| 64 6f 20 61 6e 79 20 6f | 74 68 65 72 20 6b 69 6e |do any o|ther kin|
|000012c0| 64 20 6f 66 20 61 6c 74 | 65 72 61 74 69 6f 6e 20 |d of alt|eration |
|000012d0| 79 6f 75 20 77 69 73 68 | 20 74 6f 20 64 6f 20 74 |you wish| to do t|
|000012e0| 6f 20 69 74 2e 20 20 54 | 68 65 20 4d 61 63 69 6e |o it.  T|he Macin|
|000012f0| 74 6f 73 68 20 4f 53 20 | 64 6f 65 73 20 6e 6f 74 |tosh OS |does not|
|00001300| 20 64 6f 20 61 6e 79 74 | 68 69 6e 67 20 74 6f 20 | do anyt|hing to |
|00001310| 74 68 65 20 64 61 74 61 | 2c 20 73 6f 20 74 68 69 |the data|, so thi|
|00001320| 73 20 72 6f 75 74 69 6e | 65 20 69 73 20 6e 6f 74 |s routin|e is not|
|00001330| 20 6e 65 65 64 65 64 2c | 20 62 75 74 20 79 6f 75 | needed,| but you|
|00001340| 72 20 61 70 70 6c 69 63 | 61 74 69 6f 6e 20 6d 69 |r applic|ation mi|
|00001350| 67 68 74 20 6e 65 65 64 | 20 74 68 69 73 20 72 6f |ght need| this ro|
|00001360| 75 74 69 6e 65 20 2d 20 | 69 74 20 69 73 20 75 70 |utine - |it is up|
|00001370| 20 74 6f 20 79 6f 75 2c | 20 6a 75 73 74 20 64 6f | to you,| just do|
|00001380| 6e 27 74 20 64 6f 20 74 | 6f 20 6d 75 63 68 20 61 |n't do t|o much a|
|00001390| 74 20 74 68 69 73 20 74 | 69 6d 65 2e 20 20 49 74 |t this t|ime.  It|
|000013a0| 20 69 73 20 69 6d 70 6f | 72 74 61 6e 74 20 74 6f | is impo|rtant to|
|000013b0| 20 72 65 6d 65 6d 62 65 | 72 20 74 68 61 74 20 79 | remembe|r that y|
|000013c0| 6f 75 20 6e 65 65 64 20 | 74 6f 20 67 65 74 20 69 |ou need |to get i|
|000013d0| 6e 20 61 6e 64 20 6f 75 | 74 20 6f 66 20 74 68 65 |n and ou|t of the|
|000013e0| 20 50 6f 6c 6c 50 72 6f | 63 20 61 73 20 66 61 73 | PollPro|c as fas|
|000013f0| 74 20 61 73 20 70 6f 73 | 73 69 62 6c 65 2e 0d 57 |t as pos|sible..W|
|00001400| 68 61 74 20 49 73 20 61 | 20 50 6f 6c 6c 50 72 6f |hat Is a| PollPro|
|00001410| 63 20 61 6e 64 20 48 6f | 77 20 44 6f 65 73 20 49 |c and Ho|w Does I|
|00001420| 74 20 57 6f 72 6b 3f 0d | 41 20 50 6f 6c 6c 50 72 |t Work?.|A PollPr|
|00001430| 6f 63 20 69 73 20 61 20 | 72 6f 75 74 69 6e 65 20 |oc is a |routine |
|00001440| 74 68 61 74 20 61 20 73 | 65 72 69 61 6c 20 64 72 |that a s|erial dr|
|00001450| 69 76 65 72 20 69 6d 70 | 6c 65 6d 65 6e 74 73 20 |iver imp|lements |
|00001460| 73 6f 20 69 74 20 63 61 | 6e 20 73 74 69 6c 6c 20 |so it ca|n still |
|00001470| 67 65 74 20 64 61 74 61 | 20 77 68 65 6e 20 74 68 |get data| when th|
|00001480| 65 20 4f 53 20 74 75 72 | 6e 73 20 69 6e 74 65 72 |e OS tur|ns inter|
|00001490| 72 75 70 74 73 20 6f 66 | 66 20 66 6f 72 20 61 20 |rupts of|f for a |
|000014a0| 73 69 67 6e 69 66 69 63 | 61 6e 74 20 61 6d 6f 75 |signific|ant amou|
|000014b0| 6e 74 20 6f 66 20 74 69 | 6d 65 2e 20 41 6c 74 68 |nt of ti|me. Alth|
|000014c0| 6f 75 67 68 20 50 6f 6c | 6c 50 72 6f 63 20 6d 65 |ough Pol|lProc me|
|000014d0| 63 68 61 6e 69 73 6d 73 | 20 77 6f 72 6b 20 66 6f |chanisms| work fo|
|000014e0| 72 20 67 65 6e 65 72 69 | 63 20 73 65 72 69 61 6c |r generi|c serial|
|000014f0| 20 64 72 69 76 65 72 73 | 2c 20 69 74 20 69 73 20 | drivers|, it is |
|00001500| 72 65 63 6f 6d 6d 65 6e | 64 65 64 20 74 68 61 74 |recommen|ded that|
|00001510| 20 79 6f 75 20 75 73 65 | 20 74 68 69 73 20 66 65 | you use| this fe|
|00001520| 61 74 75 72 65 20 69 6e | 20 79 6f 75 72 20 4d 49 |ature in| your MI|
|00001530| 44 49 20 64 72 69 76 65 | 72 20 6f 6e 6c 79 20 6f |DI drive|r only o|
|00001540| 6e 20 74 68 65 20 50 6f | 77 65 72 42 6f 6f 6b 20 |n the Po|werBook |
|00001550| 31 37 30 2f 31 34 30 2e | 20 57 68 65 6e 20 74 68 |170/140.| When th|
|00001560| 65 20 4d 49 44 49 20 64 | 72 69 76 65 72 20 69 73 |e MIDI d|river is|
|00001570| 20 6f 70 65 6e 65 64 20 | 61 6e 64 20 73 75 70 70 | opened |and supp|
|00001580| 6f 72 74 73 20 50 6f 6c | 6c 50 72 6f 63 20 6d 65 |orts Pol|lProc me|
|00001590| 63 68 61 6e 69 73 6d 73 | 2c 20 69 74 20 6e 65 65 |chanisms|, it nee|
|000015a0| 64 73 20 74 6f 20 70 6c | 61 63 65 20 61 20 70 6f |ds to pl|ace a po|
|000015b0| 69 6e 74 65 72 20 74 6f | 20 74 68 69 73 20 72 6f |inter to| this ro|
|000015c0| 75 74 69 6e 65 20 69 6e | 20 74 68 65 20 6c 6f 77 |utine in| the low|
|000015d0| 2d 6d 65 6d 6f 72 79 20 | 67 6c 6f 62 61 6c d1 50 |-memory |global.P|
|000015e0| 6f 6c 6c 50 72 6f 63 2e | 20 57 68 65 6e 20 74 68 |ollProc.| When th|
|000015f0| 65 20 4f 53 20 28 73 75 | 63 68 20 61 73 20 74 68 |e OS (su|ch as th|
|00001600| 65 20 50 6f 77 65 72 20 | 4d 61 6e 61 67 65 72 20 |e Power |Manager |
|00001610| 61 6e 64 20 66 6c 6f 70 | 70 79 20 64 72 69 76 65 |and flop|py drive|
|00001620| 72 29 20 74 75 72 6e 73 | 20 6f 66 66 20 69 6e 74 |r) turns| off int|
|00001630| 65 72 72 75 70 74 73 2c | 20 69 74 20 63 68 65 63 |errupts,| it chec|
|00001640| 6b 73 20 74 6f 20 73 65 | 65 20 69 66 20 74 68 65 |ks to se|e if the|
|00001650| 20 6c 6f 77 2d 6d 65 6d | 6f 72 79 20 67 6c 6f 62 | low-mem|ory glob|
|00001660| 61 6c 20 69 73 20 6e 69 | 6c 20 6f 72 20 6e 6f 74 |al is ni|l or not|
|00001670| 2e 20 49 66 20 74 68 65 | 20 67 6c 6f 62 61 6c 20 |. If the| global |
|00001680| 69 73 20 6e 6f 74 20 6e | 69 6c 2c 20 74 68 65 6e |is not n|il, then|
|00001690| 20 69 74 20 74 68 65 20 | 4f 53 20 77 69 6c 6c 20 | it the |OS will |
|000016a0| 70 6f 6c 6c 20 74 68 65 | 20 53 43 43 20 66 6f 72 |poll the| SCC for|
|000016b0| 20 69 6e 63 6f 6d 69 6e | 67 20 64 61 74 61 20 61 | incomin|g data a|
|000016c0| 6e 64 20 73 74 75 66 66 | 20 74 68 65 20 64 61 74 |nd stuff| the dat|
|000016d0| 61 20 69 6e 74 6f 20 61 | 20 62 75 66 66 65 72 2e |a into a| buffer.|
|000016e0| 20 54 68 65 6e 20 6a 75 | 73 74 20 62 65 66 6f 72 | Then ju|st befor|
|000016f0| 65 20 74 68 65 20 4f 53 | 20 74 75 72 6e 73 20 74 |e the OS| turns t|
|00001700| 68 65 20 69 6e 74 65 72 | 72 75 70 74 73 20 62 61 |he inter|rupts ba|
|00001710| 63 6b 20 6f 6e 2c 20 69 | 74 20 63 61 6c 6c 73 20 |ck on, i|t calls |
|00001720| 74 68 65 20 50 6f 6c 6c | 50 72 6f 63 20 61 6e 64 |the Poll|Proc and|
|00001730| 20 70 61 73 73 65 73 20 | 74 68 65 20 62 75 66 66 | passes |the buff|
|00001740| 65 72 20 74 6f 20 69 74 | 2e 20 54 68 65 20 50 6f |er to it|. The Po|
|00001750| 6c 6c 50 72 6f 63 20 77 | 69 6c 6c 20 62 65 20 61 |llProc w|ill be a|
|00001760| 62 6c 65 20 74 6f 20 68 | 61 6e 64 6c 65 20 74 68 |ble to h|andle th|
|00001770| 65 20 64 61 74 61 20 61 | 73 20 69 66 20 69 74 20 |e data a|s if it |
|00001780| 77 65 72 65 20 63 6f 6d | 69 6e 67 20 69 6e 20 76 |were com|ing in v|
|00001790| 69 61 20 74 68 65 20 73 | 65 72 69 61 6c 20 70 6f |ia the s|erial po|
|000017a0| 72 74 2e 0d 54 68 65 20 | 50 6f 6c 6c 50 72 6f 63 |rt..The |PollProc|
|000017b0| 20 69 73 20 73 75 70 70 | 6f 72 74 65 64 20 6f 6e | is supp|orted on|
|000017c0| 6c 79 20 6f 6e 20 70 6f | 72 74 20 41 2e 20 50 6f |ly on po|rt A. Po|
|000017d0| 72 74 20 42 20 50 6f 6c | 6c 50 72 6f 63 73 20 61 |rt B Pol|lProcs a|
|000017e0| 72 65 20 6e 6f 74 20 73 | 75 70 70 6f 72 74 65 64 |re not s|upported|
|000017f0| 2e 0d 54 68 65 20 63 6f | 6d 6d 65 6e 74 73 20 69 |..The co|mments i|
|00001800| 6e 20 74 68 65 20 66 6f | 6c 6c 6f 77 69 6e 67 20 |n the fo|llowing |
|00001810| 63 6f 64 65 20 67 69 76 | 65 20 6d 6f 72 65 20 64 |code giv|e more d|
|00001820| 65 74 61 69 6c 20 61 62 | 6f 75 74 20 68 6f 77 20 |etail ab|out how |
|00001830| 74 6f 20 69 6d 70 6c 65 | 6d 65 6e 74 20 74 68 65 |to imple|ment the|
|00001840| 20 50 6f 6c 6c 50 72 6f | 63 2e 0d 50 6f 6c 6c 50 | PollPro|c..PollP|
|00001850| 72 6f 63 20 53 61 6d 70 | 6c 65 20 43 6f 64 65 0d |roc Samp|le Code.|
|00001860| 3b 5f 5f 5f 5f 5f 5f 5f | 5f 5f 5f 5f 5f 5f 5f 5f |;_______|________|
|00001870| 5f 5f 5f 5f 5f 5f 5f 5f | 5f 5f 5f 5f 5f 5f 5f 5f |________|________|
|00001880| 5f 5f 5f 5f 5f 5f 5f 5f | 5f 5f 5f 5f 5f 5f 5f 5f |________|________|
|00001890| 5f 5f 5f 5f 5f 5f 5f 5f | 5f 5f 5f 5f 5f 5f 5f 5f |________|________|
|000018a0| 5f 5f 5f 5f 5f 5f 5f 5f | 5f 5f 5f 5f 5f 5f 0d 3b |________|______.;|
|000018b0| 49 6e 70 75 74 50 6f 6c | 6c 44 61 74 61 20 20 2d |InputPol|lData  -|
|000018c0| 20 20 70 72 6f 63 65 73 | 73 20 53 43 43 20 69 6e |  proces|s SCC in|
|000018d0| 70 75 74 20 64 61 74 61 | 0d 3b 0d 3b 54 68 69 73 |put data|.;.;This|
|000018e0| 20 72 6f 75 74 69 6e 65 | 20 69 73 20 63 61 6c 6c | routine| is call|
|000018f0| 65 64 20 76 69 61 20 74 | 68 65 20 6c 6f 77 2d 6d |ed via t|he low-m|
|00001900| 65 6d 6f 72 79 20 76 65 | 63 74 6f 72 20 50 6f 6c |emory ve|ctor Pol|
|00001910| 6c 50 72 6f 63 20 62 79 | 20 73 79 73 74 65 6d 20 |lProc by| system |
|00001920| 63 6f 64 65 0d 3b 74 68 | 61 74 20 68 61 64 20 69 |code.;th|at had i|
|00001930| 6e 74 65 72 72 75 70 74 | 73 20 64 69 73 61 62 6c |nterrupt|s disabl|
|00001940| 65 64 20 66 6f 72 20 61 | 20 6c 6f 6e 67 20 65 6e |ed for a| long en|
|00001950| 6f 75 67 68 20 70 65 72 | 69 6f 64 20 6f 66 20 74 |ough per|iod of t|
|00001960| 69 6d 65 20 74 68 61 74 | 20 53 43 43 0d 3b 64 61 |ime that| SCC.;da|
|00001970| 74 61 20 6d 61 79 20 68 | 61 76 65 20 62 65 65 6e |ta may h|ave been|
|00001980| 20 6c 6f 73 74 2e 20 54 | 68 65 20 73 79 73 74 65 | lost. T|he syste|
|00001990| 6d 20 63 6f 64 65 20 77 | 69 6c 6c 20 70 6f 6c 6c |m code w|ill poll|
|000019a0| 20 74 68 65 20 53 43 43 | 20 66 6f 72 20 64 61 74 | the SCC| for dat|
|000019b0| 61 20 64 75 72 69 6e 67 | 0d 3b 74 68 65 20 74 69 |a during|.;the ti|
|000019c0| 6d 65 20 69 74 20 68 61 | 64 20 69 6e 74 65 72 72 |me it ha|d interr|
|000019d0| 75 70 74 73 20 64 69 73 | 61 62 6c 65 64 20 61 6e |upts dis|abled an|
|000019e0| 64 20 63 61 6c 6c 20 74 | 68 69 73 20 72 6f 75 74 |d call t|his rout|
|000019f0| 69 6e 65 20 72 69 67 68 | 74 20 62 65 66 6f 72 65 |ine righ|t before|
|00001a00| 0d 3b 69 6e 74 65 72 72 | 75 70 74 73 20 61 72 65 |.;interr|upts are|
|00001a10| 20 72 65 65 6e 61 62 6c | 65 64 2e 20 54 68 65 20 | reenabl|ed. The |
|00001a20| 61 64 64 72 65 73 73 20 | 6f 66 20 74 68 65 20 49 |address |of the I|
|00001a30| 6e 70 75 74 50 6f 6c 6c | 44 61 74 61 20 72 6f 75 |nputPoll|Data rou|
|00001a40| 74 69 6e 65 20 73 68 6f | 75 6c 64 0d 3b 62 65 20 |tine sho|uld.;be |
|00001a50| 77 72 69 74 74 65 6e 20 | 69 6e 74 6f 20 74 68 65 |written |into the|
|00001a60| 20 22 50 6f 6c 6c 50 72 | 6f 63 22 20 6c 6f 77 2d | "PollPr|oc" low-|
|00001a70| 6d 65 6d 6f 72 79 20 76 | 65 63 74 6f 72 20 77 68 |memory v|ector wh|
|00001a80| 65 6e 20 74 68 65 20 53 | 43 43 20 63 68 61 6e 6e |en the S|CC chann|
|00001a90| 65 6c 20 41 0d 3b 64 72 | 69 76 65 72 20 69 73 20 |el A.;dr|iver is |
|00001aa0| 6f 70 65 6e 65 64 2e 20 | 54 68 65 20 22 50 6f 6c |opened. |The "Pol|
|00001ab0| 6c 50 72 6f 63 22 20 6c | 6f 77 2d 6d 65 6d 6f 72 |lProc" l|ow-memor|
|00001ac0| 79 20 76 65 63 74 6f 72 | 20 73 68 6f 75 6c 64 20 |y vector| should |
|00001ad0| 62 65 20 7a 65 72 6f 65 | 64 0d 3b 77 68 65 6e 20 |be zeroe|d.;when |
|00001ae0| 74 68 65 20 64 72 69 76 | 65 72 20 69 73 20 63 6c |the driv|er is cl|
|00001af0| 6f 73 65 64 2e 0d 3b 0d | 3b 54 68 65 20 49 6e 70 |osed..;.|;The Inp|
|00001b00| 75 74 50 6f 6c 6c 44 61 | 74 61 20 72 6f 75 74 69 |utPollDa|ta routi|
|00001b10| 6e 65 20 77 69 6c 6c 20 | 62 65 20 63 61 6c 6c 65 |ne will |be calle|
|00001b20| 64 20 77 69 74 68 20 64 | 61 74 61 20 74 6f 20 62 |d with d|ata to b|
|00001b30| 65 20 70 72 6f 63 65 73 | 73 65 64 20 6f 6e 20 74 |e proces|sed on t|
|00001b40| 68 65 0d 3b 73 74 61 63 | 6b 2e 20 54 68 69 73 20 |he.;stac|k. This |
|00001b50| 72 6f 75 74 69 6e 65 20 | 73 68 6f 75 6c 64 20 70 |routine |should p|
|00001b60| 72 6f 63 65 73 73 20 74 | 68 65 20 64 61 74 61 20 |rocess t|he data |
|00001b70| 61 73 20 69 66 20 69 74 | 20 68 61 64 20 62 65 65 |as if it| had bee|
|00001b80| 6e 20 72 65 63 65 69 76 | 65 64 20 62 79 0d 3b 74 |n receiv|ed by.;t|
|00001b90| 68 65 20 64 72 69 76 65 | 72 27 73 20 72 65 63 65 |he drive|r's rece|
|00001ba0| 69 76 65 20 64 61 74 61 | 20 69 6e 74 65 72 72 75 |ive data| interru|
|00001bb0| 70 74 20 72 6f 75 74 69 | 6e 65 2e 0d 3b 0d 3b 4e |pt routi|ne..;.;N|
|00001bc0| 6f 74 65 3a 20 09 50 6f | 6c 6c 50 72 6f 63 20 6d |ote: .Po|llProc m|
|00001bd0| 65 63 68 61 6e 69 73 6d | 73 20 61 72 65 20 6e 6f |echanism|s are no|
|00001be0| 74 20 6e 65 63 65 73 73 | 61 72 79 20 6f 6e 20 53 |t necess|ary on S|
|00001bf0| 43 43 20 49 4f 50 20 62 | 61 73 65 64 20 6d 61 63 |CC IOP b|ased mac|
|00001c00| 68 69 6e 65 73 20 61 6e | 64 20 09 09 73 68 6f 75 |hines an|d ..shou|
|00001c10| 6c 64 20 6e 6f 74 20 62 | 65 20 75 73 65 64 2e 0d |ld not b|e used..|
|00001c20| 3b 0d 3b 49 6e 70 75 74 | 3a 09 61 36 2e 6c 20 20 |;.;Input|:.a6.l  |
|00001c30| 3d 20 20 53 43 43 20 63 | 68 61 6e 6e 65 6c 20 41 |=  SCC c|hannel A|
|00001c40| 20 64 61 74 61 20 70 6f | 69 6e 74 65 72 0d 3b 4f | data po|inter.;O|
|00001c50| 75 74 70 75 74 3a 09 6e | 6f 6e 65 0d 3b 0d 3b 61 |utput:.n|one.;.;a|
|00001c60| 6c 6c 6f 77 65 64 20 74 | 6f 20 74 72 61 73 68 3a |llowed t|o trash:|
|00001c70| 09 61 30 2d 61 31 2f 61 | 33 2d 61 34 0d 50 6f 6c |.a0-a1/a|3-a4.Pol|
|00001c80| 6c 53 74 61 63 6b 20 09 | 65 71 75 20 09 24 31 33 |lStack .|equ .$13|
|00001c90| 41 20 20 09 3b 20 53 43 | 43 20 70 6f 6c 6c 20 64 |A  .; SC|C poll d|
|00001ca0| 61 74 61 20 73 74 61 72 | 74 20 73 74 61 63 6b 20 |ata star|t stack |
|00001cb0| 6c 6f 63 61 74 69 6f 6e | 20 5b 70 6f 69 6e 74 65 |location| [pointe|
|00001cc0| 72 5d 0d 50 6f 6c 6c 50 | 72 6f 63 20 20 09 65 71 |r].PollP|roc  .eq|
|00001cd0| 75 20 09 24 31 33 45 20 | 20 09 3b 20 53 43 43 20 |u .$13E | .; SCC |
|00001ce0| 70 6f 6c 6c 20 64 61 74 | 61 20 70 72 6f 63 65 64 |poll dat|a proced|
|00001cf0| 75 72 65 20 5b 70 6f 69 | 6e 74 65 72 5d 0d 52 78 |ure [poi|nter].Rx|
|00001d00| 43 41 09 09 65 71 75 09 | 30 09 3b 20 42 69 74 20 |CA..equ.|0.; Bit |
|00001d10| 7a 65 72 6f 20 6f 66 20 | 53 43 43 20 52 52 30 20 |zero of |SCC RR0 |
|00001d20| 69 6e 64 69 63 61 74 65 | 73 20 72 65 63 65 69 76 |indicate|s receiv|
|00001d30| 65 20 63 68 61 72 20 61 | 76 61 69 6c 2e 0d 49 6e |e char a|vail..In|
|00001d40| 70 75 74 50 6f 6c 6c 44 | 61 74 61 0d 6d 6f 76 65 |putPollD|ata.move|
|00001d50| 61 2e 6c 09 28 73 70 29 | 2b 2c 61 34 09 09 3b 20 |a.l.(sp)|+,a4..; |
|00001d60| 53 61 76 65 20 72 65 74 | 75 72 6e 20 61 64 64 72 |Save ret|urn addr|
|00001d70| 65 73 73 2e 0d 6d 6f 76 | 65 61 2e 6c 09 50 6f 6c |ess..mov|ea.l.Pol|
|00001d80| 6c 53 74 61 63 6b 2c 61 | 33 09 09 3b 20 61 33 20 |lStack,a|3..; a3 |
|00001d90| 3d 20 70 74 72 20 74 6f | 20 62 65 67 69 6e 6e 69 |= ptr to| beginni|
|00001da0| 6e 67 20 6f 66 20 64 61 | 74 61 20 6f 6e 20 73 74 |ng of da|ta on st|
|00001db0| 61 63 6b 2e 0d 3b 46 69 | 72 73 74 20 65 6d 70 74 |ack..;Fi|rst empt|
|00001dc0| 79 20 61 6c 6c 20 74 68 | 65 20 64 61 74 61 20 66 |y all th|e data f|
|00001dd0| 72 6f 6d 20 74 68 65 20 | 53 43 43 2e 20 54 68 69 |rom the |SCC. Thi|
|00001de0| 73 20 6d 61 79 20 6e 6f | 74 20 62 65 20 6e 65 65 |s may no|t be nee|
|00001df0| 64 65 64 2c 20 62 75 74 | 20 69 74 20 69 73 0d 3b |ded, but| it is.;|
|00001e00| 68 65 72 65 20 66 6f 72 | 20 63 6f 6d 70 6c 65 74 |here for| complet|
|00001e10| 65 6e 65 73 73 2e 20 54 | 68 65 20 64 72 69 76 65 |eness. T|he drive|
|00001e20| 72 73 20 74 68 61 74 20 | 77 69 6c 6c 20 75 73 65 |rs that |will use|
|00001e30| 20 74 68 65 20 50 6f 6c | 6c 50 72 6f 63 20 6d 65 | the Pol|lProc me|
|00001e40| 63 68 61 6e 69 73 6d 0d | 3b 77 69 6c 6c 20 61 6c |chanism.|;will al|
|00001e50| 72 65 61 64 79 20 68 61 | 76 65 20 73 69 6d 69 6c |ready ha|ve simil|
|00001e60| 61 72 20 63 6f 64 65 20 | 74 6f 20 74 68 69 73 2c |ar code |to this,|
|00001e70| 20 73 6f 20 77 68 65 74 | 68 65 72 20 79 6f 75 20 | so whet|her you |
|00001e80| 69 6d 70 6c 65 6d 65 6e | 74 20 74 68 69 73 20 6f |implemen|t this o|
|00001e90| 72 0d 3b 6e 6f 74 20 69 | 73 20 6d 6f 72 65 20 6f |r.;not i|s more o|
|00001ea0| 66 20 61 20 70 65 72 73 | 6f 6e 61 6c 20 63 61 6c |f a pers|onal cal|
|00001eb0| 6c 2e 20 4f 75 72 20 72 | 65 63 6f 6d 6d 65 6e 64 |l. Our r|ecommend|
|00001ec0| 61 74 69 6f 6e 20 69 73 | 20 74 68 61 74 20 79 6f |ation is| that yo|
|00001ed0| 75 20 74 72 79 20 74 6f | 20 67 6f 0d 3b 77 69 74 |u try to| go.;wit|
|00001ee0| 68 6f 75 74 20 74 68 65 | 20 63 6f 64 65 2c 20 61 |hout the| code, a|
|00001ef0| 6e 64 20 69 66 20 79 6f | 75 20 66 69 6e 64 20 79 |nd if yo|u find y|
|00001f00| 6f 75 20 64 6f 20 6e 65 | 65 64 20 69 74 2c 20 74 |ou do ne|ed it, t|
|00001f10| 68 65 6e 20 69 6d 70 6c | 65 6d 65 6e 74 20 69 74 |hen impl|ement it|
|00001f20| 2e 0d 40 45 6d 70 74 79 | 53 43 43 0d 6d 6f 76 65 |..@Empty|SCC.move|
|00001f30| 61 2e 6c 09 53 43 43 52 | 64 2c 61 30 09 09 3b 20 |a.l.SCCR|d,a0..; |
|00001f40| 62 61 73 65 20 61 64 64 | 72 20 6f 66 20 53 43 43 |base add|r of SCC|
|00001f50| 20 72 65 61 64 20 72 65 | 67 69 73 74 65 72 20 30 | read re|gister 0|
|00001f60| 20 66 72 6f 6d 20 6c 6f | 77 20 6d 65 6d 0d 61 64 | from lo|w mem.ad|
|00001f70| 64 71 2e 77 09 09 23 32 | 2c 61 30 09 09 09 3b 20 |dq.w..#2|,a0...; |
|00001f80| 41 64 64 20 6f 66 66 73 | 65 74 20 74 6f 20 67 65 |Add offs|et to ge|
|00001f90| 74 20 74 6f 20 63 68 61 | 6e 6e 65 6c 20 41 20 72 |t to cha|nnel A r|
|00001fa0| 65 67 69 73 74 65 72 73 | 2e 0d 62 74 73 74 2e 62 |egisters|..btst.b|
|00001fb0| 09 09 23 52 78 43 41 2c | 28 61 30 29 09 09 3b 20 |..#RxCA,|(a0)..; |
|00001fc0| 54 65 73 74 20 69 66 20 | 53 43 43 20 64 61 74 61 |Test if |SCC data|
|00001fd0| 20 69 73 20 61 76 61 69 | 6c 61 62 6c 65 2e 0d 62 | is avai|lable..b|
|00001fe0| 65 71 2e 73 09 09 40 50 | 72 6f 63 65 73 73 44 61 |eq.s..@P|rocessDa|
|00001ff0| 74 61 09 09 3b 20 6e 6f | 20 61 64 64 69 74 69 6f |ta..; no| additio|
|00002000| 6e 61 6c 20 53 43 43 20 | 64 61 74 61 0d 6d 6f 76 |nal SCC |data.mov|
|00002010| 65 2e 62 09 09 28 61 36 | 29 2c 2d 28 73 70 29 09 |e.b..(a6|),-(sp).|
|00002020| 09 3b 20 4d 6f 76 65 20 | 53 43 43 20 63 68 61 6e |.; Move |SCC chan|
|00002030| 6e 65 6c 20 41 20 64 61 | 74 61 20 6f 6e 74 6f 20 |nel A da|ta onto |
|00002040| 73 74 61 63 6b 2e 0d 62 | 72 61 2e 73 09 09 40 45 |stack..b|ra.s..@E|
|00002050| 6d 70 74 79 53 43 43 0d | 3b 50 72 6f 63 65 73 73 |mptySCC.|;Process|
|00002060| 20 61 6c 6c 20 74 68 65 | 20 53 43 43 20 64 61 74 | all the| SCC dat|
|00002070| 61 20 6f 6e 20 74 68 65 | 20 73 74 61 63 6b 20 61 |a on the| stack a|
|00002080| 73 20 69 66 20 69 74 20 | 77 65 72 65 20 72 65 61 |s if it |were rea|
|00002090| 64 20 69 6e 20 6e 6f 72 | 6d 61 6c 6c 79 20 62 79 |d in nor|mally by|
|000020a0| 0d 3b 74 68 65 20 53 43 | 43 20 64 72 69 76 65 72 |.;the SC|C driver|
|000020b0| 27 73 20 72 65 63 65 69 | 76 65 20 69 6e 74 65 72 |'s recei|ve inter|
|000020c0| 72 75 70 74 20 72 6f 75 | 74 69 6e 65 2e 20 54 68 |rupt rou|tine. Th|
|000020d0| 65 72 65 20 69 73 20 73 | 74 61 63 6b 20 64 61 74 |ere is s|tack dat|
|000020e0| 61 20 73 74 61 72 74 69 | 6e 67 0d 3b 66 72 6f 6d |a starti|ng.;from|
|000020f0| 20 74 68 65 20 61 64 64 | 72 65 73 73 20 69 6e 20 | the add|ress in |
|00002100| 74 68 65 20 6c 6f 77 2d | 6d 65 6d 20 50 6f 6c 6c |the low-|mem Poll|
|00002110| 53 74 61 63 6b 2c 20 74 | 6f 20 74 68 65 20 63 75 |Stack, t|o the cu|
|00002120| 72 72 65 6e 74 20 73 74 | 61 63 6b 20 70 6f 69 6e |rrent st|ack poin|
|00002130| 74 65 72 2e 0d 40 50 72 | 6f 63 65 73 73 44 61 74 |ter..@Pr|ocessDat|
|00002140| 61 0d 63 6d 70 2e 6c 09 | 09 73 70 2c 61 33 09 09 |a.cmp.l.|.sp,a3..|
|00002150| 09 3b 20 48 61 76 65 20 | 77 65 20 70 72 6f 63 65 |.; Have |we proce|
|00002160| 73 73 65 64 20 61 6c 6c | 20 74 68 65 20 73 74 61 |ssed all| the sta|
|00002170| 63 6b 20 64 61 74 61 3f | 0d 62 65 71 2e 73 09 09 |ck data?|.beq.s..|
|00002180| 40 44 6f 6e 65 09 09 09 | 3b 20 57 65 20 61 72 65 |@Done...|; We are|
|00002190| 20 64 6f 6e 65 2e 0d 73 | 75 62 71 2e 77 09 09 23 | done..s|ubq.w..#|
|000021a0| 31 2c 61 33 09 09 09 3b | 20 53 6b 69 70 20 6f 76 |1,a3...;| Skip ov|
|000021b0| 65 72 20 67 61 72 62 61 | 67 65 20 62 79 74 65 20 |er garba|ge byte |
|000021c0| 62 65 63 61 75 73 65 20 | 73 74 61 63 6b 20 70 75 |because |stack pu|
|000021d0| 73 68 65 73 20 77 6f 72 | 64 73 2e 0d 6d 6f 76 65 |shes wor|ds..move|
|000021e0| 2e 62 09 09 28 61 33 29 | 2b 2c 64 30 09 09 3b 20 |.b..(a3)|+,d0..; |
|000021f0| 47 65 74 20 74 68 65 20 | 73 61 76 65 64 20 64 61 |Get the |saved da|
|00002200| 74 61 20 62 79 74 65 2e | 0d 62 73 72 2e 73 09 09 |ta byte.|.bsr.s..|
|00002210| 50 72 6f 63 65 73 73 42 | 79 74 65 09 09 3b 20 43 |ProcessB|yte..; C|
|00002220| 61 6c 6c 20 64 72 69 76 | 65 72 20 72 6f 75 74 69 |all driv|er routi|
|00002230| 6e 65 20 74 6f 20 70 72 | 6f 63 65 73 73 20 74 68 |ne to pr|ocess th|
|00002240| 65 20 64 61 74 61 20 62 | 79 74 65 2e 0d 62 72 61 |e data b|yte..bra|
|00002250| 2e 73 09 09 40 45 6d 70 | 74 79 53 43 43 09 09 3b |.s..@Emp|tySCC..;|
|00002260| 20 43 68 65 63 6b 20 66 | 6f 72 20 53 43 43 20 64 | Check f|or SCC d|
|00002270| 61 74 61 20 62 65 66 6f | 72 65 20 70 72 6f 63 65 |ata befo|re proce|
|00002280| 73 73 69 6e 67 20 6e 65 | 78 74 20 73 61 76 65 64 |ssing ne|xt saved|
|00002290| 20 62 79 74 65 2e 0d 3b | 44 6f 6e 65 20 2d 20 63 | byte..;|Done - c|
|000022a0| 6c 65 61 6e 75 70 20 73 | 74 61 63 6b 20 6f 66 20 |leanup s|tack of |
|000022b0| 73 61 76 65 64 20 64 61 | 74 61 0d 40 44 6f 6e 65 |saved da|ta.@Done|
|000022c0| 0d 6d 6f 76 65 2e 6c 09 | 09 50 6f 6c 6c 53 74 61 |.move.l.|.PollSta|
|000022d0| 63 6b 2c 73 70 09 09 3b | 20 53 65 74 20 73 74 61 |ck,sp..;| Set sta|
|000022e0| 63 6b 20 70 74 72 20 74 | 6f 20 70 6f 70 20 73 61 |ck ptr t|o pop sa|
|000022f0| 76 65 64 20 64 61 74 61 | 2e 0d 6a 6d 70 09 09 28 |ved data|..jmp..(|
|00002300| 61 34 29 09 09 09 3b 20 | 4a 75 6d 70 20 74 6f 20 |a4)...; |Jump to |
|00002310| 74 68 65 20 72 65 74 75 | 72 6e 20 61 64 64 72 65 |the retu|rn addre|
|00002320| 73 73 2e 0d 3b 5f 5f 5f | 5f 5f 5f 5f 5f 5f 5f 5f |ss..;___|________|
|00002330| 5f 5f 5f 5f 5f 5f 5f 5f | 5f 5f 5f 5f 5f 5f 5f 5f |________|________|
|00002340| 5f 5f 5f 5f 5f 5f 5f 5f | 5f 5f 5f 5f 5f 5f 5f 5f |________|________|
|00002350| 5f 5f 5f 5f 5f 5f 5f 5f | 5f 5f 5f 5f 5f 5f 5f 5f |________|________|
|00002360| 5f 5f 5f 5f 5f 5f 5f 5f | 5f 5f 5f 5f 5f 5f 5f 5f |________|________|
|00002370| 5f 5f 0d 3b 50 72 6f 63 | 65 73 73 42 79 74 65 20 |__.;Proc|essByte |
|00002380| 20 2d 20 20 70 72 6f 63 | 65 73 73 20 73 61 76 65 | -  proc|ess save|
|00002390| 64 20 53 43 43 20 69 6e | 70 75 74 20 64 61 74 61 |d SCC in|put data|
|000023a0| 0d 3b 0d 3b 54 68 69 73 | 20 72 6f 75 74 69 6e 65 |.;.;This| routine|
|000023b0| 20 69 73 20 61 20 73 74 | 75 62 20 65 78 61 6d 70 | is a st|ub examp|
|000023c0| 6c 65 20 72 6f 75 74 69 | 6e 65 20 74 68 61 74 20 |le routi|ne that |
|000023d0| 77 69 6c 6c 20 70 72 6f | 63 65 73 73 20 61 20 73 |will pro|cess a s|
|000023e0| 61 76 65 64 20 64 61 74 | 61 0d 3b 62 79 74 65 20 |aved dat|a.;byte |
|000023f0| 61 73 20 69 66 20 74 68 | 65 20 64 72 69 76 65 72 |as if th|e driver|
|00002400| 20 68 61 64 20 72 65 61 | 64 20 69 6e 20 74 68 65 | had rea|d in the|
|00002410| 20 62 79 74 65 20 6e 6f | 72 6d 61 6c 6c 79 2e 0d | byte no|rmally..|
|00002420| 3b 0d 3b 49 6e 70 75 74 | 3a 09 64 30 2e 62 20 20 |;.;Input|:.d0.b  |
|00002430| 3d 20 20 53 43 43 20 63 | 68 61 6e 6e 65 6c 20 41 |=  SCC c|hannel A|
|00002440| 20 64 61 74 61 20 62 79 | 74 65 0d 3b 4f 75 74 70 | data by|te.;Outp|
|00002450| 75 74 3a 09 6e 6f 6e 65 | 0d 3b 0d 50 72 6f 63 65 |ut:.none|.;.Proce|
|00002460| 73 73 42 79 74 65 0d 3b | 46 69 6c 6c 20 69 6e 20 |ssByte.;|Fill in |
|00002470| 6e 65 63 65 73 73 61 72 | 79 20 63 6f 64 65 2e 0d |necessar|y code..|
|00002480| 72 74 73 0d 15 a2 00 00 | 00 00 03 48 02 52 00 11 |rts.....|...H.R..|
|00002490| 02 ff 0c 00 ff ff ff ff | 00 00 00 00 00 00 00 00 |........|........|
|000024a0| 02 52 00 00 03 48 00 00 | 00 00 00 00 00 a1 00 64 |.R...H..|.......d|
|000024b0| 00 0c 57 4f 52 44 00 00 | 00 00 00 53 01 ca 00 a0 |..WORD..|...S....|
|000024c0| 00 8c 00 a1 00 64 00 0c | 57 4f 52 44 00 00 00 00 |.....d..|WORD....|
|000024d0| 00 52 01 c9 00 a0 00 82 | 00 1e 00 01 00 0a 00 2f |.R......|......./|
|000024e0| 00 5a 00 81 02 23 00 07 | 00 00 00 00 00 08 00 0a |.Z...#..|........|
|000024f0| 00 09 30 49 88 3a b5 9c | f0 39 00 22 00 7b 02 1a |..0I.:..|.9.".{..|
|00002500| 00 00 00 09 ff ff ff ff | ff ff ff ff 00 23 00 00 |........|.....#..|
|00002510| 00 a0 00 c4 00 a1 00 64 | 00 0a 4f 4e 4c 4e 00 66 |.......d|..ONLN.f|
|00002520| 00 00 01 fe 00 a0 00 8c | 00 a1 00 64 00 31 64 72 |........|...d.1dr|
|00002530| 77 32 00 02 01 c9 00 2d | 01 e1 01 5f 00 00 80 00 |w2.....-|..._....|
|00002540| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00002550| ff ff ff ff ff ff 00 01 | 00 00 01 8f 00 00 00 00 |........|........|
|00002560| 00 a1 00 96 00 0c 01 00 | 00 00 02 78 00 00 00 00 |........|...x....|
|00002570| 00 00 00 a1 00 64 00 10 | 64 72 77 32 00 3a 00 05 |.....d..|drw2.:..|
|00002580| 00 00 00 00 00 01 00 00 | 00 a1 00 64 00 0e 64 72 |........|...d..dr|
|00002590| 77 32 00 3a 00 02 00 24 | 00 00 00 00 00 a1 00 64 |w2.:...$|.......d|
|000025a0| 00 34 64 72 77 32 00 3a | 00 01 00 03 01 00 00 18 |.4drw2.:|........|
|000025b0| 00 00 00 00 00 00 00 00 | 00 00 00 01 00 01 00 01 |........|........|
|000025c0| 00 01 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000025d0| 00 00 00 00 00 00 00 a1 | 00 9a 00 08 ff fa 00 00 |........|........|
|000025e0| 00 97 40 00 00 a0 00 98 | 00 2c 00 08 00 14 05 54 |..@.....|.,.....T|
|000025f0| 69 6d 65 73 00 03 00 14 | 00 04 01 00 00 0d 00 18 |imes....|........|
|00002600| 00 2e 00 04 00 00 01 00 | 00 10 5e 0b 74 4b 5e 0b |........|..^.tK^.|
|00002610| 74 4b 00 2b 5d 42 13 4e | 65 77 20 54 65 63 68 6e |tK.+]B.N|ew Techn|
|00002620| 69 63 61 6c 20 4e 6f 74 | 65 73 00 a0 00 99 00 a1 |ical Not|es......|
|00002630| 00 64 00 08 64 72 77 32 | 00 3a 00 04 00 a1 14 e3 |.d..drw2|.:......|
|00002640| 00 02 00 01 00 a0 00 97 | 00 a1 00 64 00 31 64 72 |........|...d.1dr|
|00002650| 77 32 00 02 02 06 01 65 | 02 19 01 f4 00 00 80 00 |w2.....e|........|
|00002660| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00002670| ff ff ff ff ff ff 00 01 | 00 00 01 50 00 00 00 00 |........|...P....|
|00002680| 00 a1 00 96 00 0c 01 00 | 00 00 02 78 00 00 00 00 |........|...x....|
|00002690| 00 00 00 a1 00 64 00 10 | 64 72 77 32 00 3a 00 05 |.....d..|drw2.:..|
|000026a0| 00 00 00 00 00 01 00 00 | 00 a1 00 64 00 0e 64 72 |........|...d..dr|
|000026b0| 77 32 00 3a 00 02 00 24 | 00 00 00 00 00 a1 00 64 |w2.:...$|.......d|
|000026c0| 00 34 64 72 77 32 00 3a | 00 01 00 03 00 00 00 12 |.4drw2.:|........|
|000026d0| 00 00 00 00 00 00 00 00 | 00 00 00 01 00 01 00 01 |........|........|
|000026e0| 00 01 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000026f0| 00 00 00 00 00 00 00 a1 | 00 9a 00 08 ff fb 80 00 |........|........|
|00002700| 00 45 c0 00 00 a0 00 98 | 00 04 00 00 00 0d 00 12 |.E......|........|
|00002710| 00 15 16 80 00 28 00 7b | 01 95 11 44 65 76 65 6c |.....(.{|...Devel|
|00002720| 6f 70 65 72 20 53 75 70 | 70 6f 72 74 00 a0 00 99 |oper Sup|port....|
|00002730| 00 a1 00 64 00 08 64 72 | 77 32 00 3a 00 04 00 a1 |...d..dr|w2.:....|
|00002740| 14 e3 00 02 00 01 00 a0 | 00 97 00 a1 00 64 00 60 |........|.....d.`|
|00002750| 64 72 77 32 00 03 02 00 | 00 2d 02 00 01 ef 00 00 |drw2....|.-......|
|00002760| 00 00 00 00 00 00 02 02 | 00 00 00 00 00 00 00 00 |........|........|
|00002770| 00 00 ff ff ff ff ff ff | 00 01 00 01 08 4b 00 00 |........|.....K..|
|00002780| 00 00 02 00 01 ef 02 00 | 00 2d 00 00 00 00 00 00 |........|.-......|
|00002790| 00 00 00 01 00 14 00 0c | 00 03 00 02 00 00 00 5a |........|.......Z|
|000027a0| 00 01 00 00 00 02 00 00 | 00 03 00 0c 00 00 00 00 |........|........|
|000027b0| 00 07 00 02 00 02 00 08 | 00 08 00 20 00 66 02 1c |........|... .f..|
|000027c0| 00 66 00 5a 00 a1 00 64 | 00 31 64 72 77 32 00 02 |.f.Z...d|.1drw2..|
|000027d0| 01 ca 01 c0 01 fa 01 e9 | 00 00 00 00 00 00 00 00 |........|........|
|000027e0| 00 00 00 00 00 00 00 00 | 00 00 00 00 ff ff ff ff |........|........|
|000027f0| ff ff 00 01 00 00 01 4b | 00 00 00 00 00 a1 00 96 |.......K|........|
|00002800| 00 0c 01 00 00 00 02 78 | 00 00 00 00 00 00 00 a1 |.......x|........|
|00002810| 00 64 00 10 64 72 77 32 | 00 3a 00 05 00 00 00 00 |.d..drw2|.:......|
|00002820| 00 01 00 00 00 a1 00 64 | 00 0e 64 72 77 32 00 3a |.......d|..drw2.:|
|00002830| 00 02 00 24 00 00 00 00 | 00 a1 00 64 00 34 64 72 |...$....|...d.4dr|
|00002840| 77 32 00 3a 00 01 00 03 | 00 00 00 30 00 00 00 00 |w2.:....|...0....|
|00002850| 00 00 00 00 00 00 00 01 | 00 01 00 01 00 01 00 00 |........|........|
|00002860| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00002870| 00 00 00 a1 00 9a 00 08 | ff f4 00 00 00 13 80 00 |........|........|
|00002880| 00 a0 00 98 00 0d 00 30 | 00 28 00 55 01 ef 01 f0 |.......0|.(.U....|
|00002890| 00 a0 00 99 00 a1 00 64 | 00 08 64 72 77 32 00 3a |.......d|..drw2.:|
|000028a0| 00 04 00 a1 14 e3 00 02 | 00 01 00 a0 00 97 00 a1 |........|........|
|000028b0| 00 64 00 31 64 72 77 32 | 00 02 01 ef 01 e6 01 fa |.d.1drw2|........|
|000028c0| 01 f0 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000028d0| 00 00 00 00 00 00 ff ff | ff ff ff ff 00 01 00 00 |........|........|
|000028e0| 01 00 00 00 00 00 00 a1 | 00 96 00 0c 01 00 00 00 |........|........|
|000028f0| 02 78 00 00 00 00 00 00 | 00 a1 00 64 00 10 64 72 |.x......|...d..dr|
|00002900| 77 32 00 3a 00 05 00 00 | 00 00 00 01 00 00 00 a1 |w2.:....|........|
|00002910| 00 64 00 0e 64 72 77 32 | 00 3a 00 02 00 24 00 00 |.d..drw2|.:...$..|
|00002920| 00 00 00 a1 00 64 00 34 | 64 72 77 32 00 3a 00 01 |.....d.4|drw2.:..|
|00002930| 00 03 00 00 00 09 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00002940| 00 01 00 01 00 01 00 01 | 00 00 00 00 00 00 00 00 |........|........|
|00002950| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 a1 00 9a |........|........|
|00002960| 00 08 ff fd 80 00 00 04 | 00 00 00 a0 00 98 00 0d |........|........|
|00002970| 00 09 00 15 6c 00 00 2b | 26 09 01 a8 00 a0 00 99 |....l..+|&.......|
|00002980| 00 a1 00 64 00 08 64 72 | 77 32 00 3a 00 04 00 a1 |...d..dr|w2.:....|
|00002990| 14 e3 00 02 00 01 00 a0 | 00 97 00 a1 00 64 00 31 |........|.....d.1|
|000029a0| 64 72 77 32 00 02 01 e5 | 00 2d 01 f8 00 79 00 00 |drw2....|.-...y..|
|000029b0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000029c0| 00 00 ff ff ff ff ff ff | 00 01 00 01 01 00 00 00 |........|........|
|000029d0| 01 00 00 a1 00 96 00 0c | 01 00 00 00 02 78 00 00 |........|.....x..|
|000029e0| 00 00 00 00 00 a1 00 64 | 00 10 64 72 77 32 00 3a |.......d|..drw2.:|
|000029f0| 00 05 00 00 00 00 00 01 | 00 00 00 a1 00 64 00 0e |........|.....d..|
|00002a00| 64 72 77 32 00 3a 00 02 | 00 24 00 00 00 00 00 a1 |drw2.:..|.$......|
|00002a10| 00 64 00 34 64 72 77 32 | 00 3a 00 01 00 03 00 00 |.d.4drw2|.:......|
|00002a20| 00 12 00 00 00 00 00 00 | 00 00 00 00 00 01 00 01 |........|........|
|00002a30| 00 01 00 01 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00002a40| 00 00 00 00 00 00 00 00 | 00 a1 00 9a 00 08 ff fb |........|........|
|00002a50| 80 00 00 25 00 00 00 a0 | 00 98 00 0d 00 12 00 15 |...%....|........|
|00002a60| 42 80 00 28 00 5a 00 5c | 09 4d 61 63 69 6e 74 6f |B..(.Z.\|.Macinto|
|00002a70| 73 68 00 a0 00 99 00 a1 | 00 64 00 08 64 72 77 32 |sh......|.d..drw2|
|00002a80| 00 3a 00 04 00 a1 14 e3 | 00 02 00 01 00 a0 00 97 |.:......|........|
|00002a90| 00 a0 00 8d 00 a1 00 64 | 00 06 64 72 77 32 00 44 |.......d|..drw2.D|
|00002aa0| 00 a0 00 83 00 a1 00 64 | 00 04 57 4f 52 44 00 a0 |.......d|..WORD..|
|00002ab0| 00 8d 00 01 00 0a 00 00 | 00 00 03 48 02 52 00 04 |........|...H.R..|
|00002ac0| 01 00 00 2e 00 04 00 00 | 00 00 00 10 00 01 00 01 |........|........|
|00002ad0| 00 01 00 01 00 a1 00 64 | 00 10 4f 4e 4c 4e 00 64 |.......d|..ONLN.d|
|00002ae0| 00 00 00 8e 00 5a 00 a1 | 01 1f 00 28 00 9c 00 5a |.....Z..|...(...Z|
|00002af0| 17 44 56 20 32 31 20 2d | 20 53 65 72 69 61 6c 20 |.DV 21 -| Serial |
|00002b00| 50 6f 6c 6c 50 72 6f 63 | 00 0d 00 0e 00 a1 00 64 |PollProc|.......d|
|00002b10| 00 10 4f 4e 4c 4e 00 64 | 00 18 00 a0 00 5a 00 af |..ONLN.d|.....Z..|
|00002b20| 00 8d 00 2a 10 07 44 65 | 76 69 63 65 73 00 00 04 |...*..De|vices...|
|00002b30| 00 00 00 0d 00 0c 00 a1 | 00 64 00 10 4f 4e 4c 4e |........|.d..ONLN|
|00002b40| 00 64 00 21 00 bb 00 5a | 00 c7 00 8f 00 2a 18 0b |.d.!...Z|.....*..|
|00002b50| 57 72 69 74 74 65 6e 20 | 62 79 3a 00 00 a1 00 64 |Written |by:....d|
|00002b60| 00 10 4f 4e 4c 4e 00 64 | 00 2d 00 bb 00 a2 00 c7 |..ONLN.d|.-......|
|00002b70| 01 6d 00 29 48 27 52 69 | 63 68 20 d2 49 20 53 65 |.m.)H'Ri|ch .I Se|
|00002b80| 65 20 43 6f 6c 6f 72 73 | d3 20 43 6f 6c 6c 79 65 |e Colors|. Collye|
|00002b90| 72 20 26 20 44 61 76 65 | 20 57 6f 6e 67 00 00 a1 |r & Dave| Wong...|
|00002ba0| 00 64 00 10 4f 4e 4c 4e | 00 64 00 55 00 bb 01 eb |.d..ONLN|.d.U....|
|00002bb0| 00 c7 02 1c 00 28 00 c4 | 01 eb 09 4a 75 6e 65 20 |.....(..|...June |
|00002bc0| 31 39 39 32 00 06 00 01 | 00 00 00 a1 00 64 00 10 |1992....|.....d..|
|00002bd0| 4f 4e 4c 4e 00 64 00 5f | 00 d3 00 5a 00 df 00 f0 |ONLN.d._|...Z....|
|00002be0| 00 28 00 dc 00 5a 1e 54 | 68 69 73 20 54 65 63 68 |.(...Z.T|his Tech|
|00002bf0| 6e 69 63 61 6c 20 4e 6f | 74 65 20 64 69 73 63 75 |nical No|te discu|
|00002c00| 73 73 65 73 20 00 00 06 | 00 02 00 00 00 a1 00 64 |sses ...|.......d|
|00002c10| 00 10 4f 4e 4c 4e 00 64 | 00 7d 00 d3 00 f0 00 df |..ONLN.d|.}......|
|00002c20| 02 1c 00 29 96 38 68 6f | 77 20 74 6f 20 6d 61 6b |...).8ho|w to mak|
|00002c30| 65 20 61 20 50 6f 6c 6c | 50 72 6f 63 20 66 6f 72 |e a Poll|Proc for|
|00002c40| 20 79 6f 75 72 20 4d 49 | 44 49 20 28 4d 75 73 69 | your MI|DI (Musi|
|00002c50| 63 61 6c 20 49 6e 73 74 | 72 75 6d 65 6e 74 00 06 |cal Inst|rument..|
|00002c60| 00 00 00 00 00 a1 00 64 | 00 10 4f 4e 4c 4e 00 64 |.......d|..ONLN.d|
|00002c70| 00 b6 00 df 00 5a 00 eb | 01 9a 00 28 00 e8 00 5a |.....Z..|...(...Z|
|00002c80| 41 44 69 67 69 74 61 6c | 20 49 6e 74 65 72 66 61 |ADigital| Interfa|
|00002c90| 63 65 29 20 64 72 69 76 | 65 72 20 6f 6e 20 74 68 |ce) driv|er on th|
|00002ca0| 65 20 4d 61 63 69 6e 74 | 6f 73 68 20 50 6f 77 65 |e Macint|osh Powe|
|00002cb0| 72 42 6f 6f 6b 20 31 34 | 30 20 61 6e 64 20 31 37 |rBook 14|0 and 17|
|00002cc0| 30 2e 00 07 00 01 00 01 | 00 20 00 f7 00 58 00 f7 |0.......|. ...X..|
|00002cd0| 02 1d 00 04 01 00 00 0d | 00 0e 00 a1 00 64 00 10 |........|.....d..|
|00002ce0| 4f 4e 4c 4e 00 64 00 f8 | 01 10 00 5a 01 1f 01 1b |ONLN.d..|...Z....|
|00002cf0| 00 2a 34 19 46 6f 72 20 | 4d 49 44 49 20 43 6f 6e |.*4.For |MIDI Con|
|00002d00| 73 75 6d 70 74 69 6f 6e | 20 4f 6e 6c 79 00 00 04 |sumption| Only...|
|00002d10| 00 00 00 0d 00 0c 00 a1 | 00 64 00 10 4f 4e 4c 4e |........|.d..ONLN|
|00002d20| 00 64 01 12 01 2b 00 5a | 01 37 01 a4 00 2a 18 44 |.d...+.Z|.7...*.D|
|00002d30| 59 6f 75 20 61 72 65 20 | 77 72 69 74 69 6e 67 20 |You are |writing |
|00002d40| 79 6f 75 72 20 6f 77 6e | 20 4d 49 44 49 20 64 72 |your own| MIDI dr|
|00002d50| 69 76 65 72 20 61 6e 64 | 20 79 6f 75 72 20 64 72 |iver and| your dr|
|00002d60| 69 76 65 72 20 64 6f 65 | 73 20 6e 6f 74 20 66 75 |iver doe|s not fu|
|00002d70| 6c 6c 79 20 00 06 00 01 | 00 00 00 a1 00 64 00 10 |lly ....|.....d..|
|00002d80| 4f 4e 4c 4e 00 64 01 56 | 01 2b 01 a4 01 37 02 1c |ONLN.d.V|.+...7..|
|00002d90| 00 28 01 34 01 a4 15 77 | 6f 72 6b 20 6f 6e 20 74 |.(.4...w|ork on t|
|00002da0| 68 65 20 50 6f 77 65 72 | 42 6f 6f 6b 00 a1 00 64 |he Power|Book...d|
|00002db0| 00 10 4f 4e 4c 4e 00 64 | 01 6c 01 37 00 5a 01 43 |..ONLN.d|.l.7.Z.C|
|00002dc0| 01 09 00 28 01 40 00 5a | 23 31 37 30 2f 31 34 30 |...(.@.Z|#170/140|
|00002dd0| 2e 20 54 68 65 20 50 6f | 6c 6c 50 72 6f 63 20 73 |. The Po|llProc s|
|00002de0| 75 70 70 6f 72 74 20 74 | 68 61 74 20 00 06 00 02 |upport t|hat ....|
|00002df0| 00 00 00 a1 00 64 00 10 | 4f 4e 4c 4e 00 64 01 8f |.....d..|ONLN.d..|
|00002e00| 01 37 01 09 01 43 02 1c | 00 29 af 33 6d 69 67 68 |.7...C..|.).3migh|
|00002e10| 74 20 68 65 6c 70 20 73 | 6f 6c 76 65 20 79 6f 75 |t help s|olve you|
|00002e20| 72 20 70 72 6f 62 6c 65 | 6d 20 68 61 73 20 62 65 |r proble|m has be|
|00002e30| 65 6e 20 75 6e 64 6f 63 | 75 6d 65 6e 74 65 64 00 |en undoc|umented.|
|00002e40| 00 06 00 00 00 00 00 a1 | 00 64 00 10 4f 4e 4c 4e |........|.d..ONLN|
|00002e50| 00 64 01 c3 01 43 00 5a | 01 4f 01 9a 00 28 01 4c |.d...C.Z|.O...(.L|
|00002e60| 00 5a 45 75 6e 74 69 6c | 20 6e 6f 77 20 62 65 63 |.ZEuntil| now bec|
|00002e70| 61 75 73 65 20 69 74 20 | 68 61 73 20 61 20 62 75 |ause it |has a bu|
|00002e80| 67 20 69 6e 20 69 74 20 | 77 68 69 63 68 20 69 66 |g in it |which if|
|00002e90| 20 65 76 65 72 20 66 69 | 78 65 64 20 77 6f 75 6c | ever fi|xed woul|
|00002ea0| 64 20 63 61 75 73 65 20 | 00 06 00 01 00 00 00 a1 |d cause |........|
|00002eb0| 00 64 00 10 4f 4e 4c 4e | 00 64 02 08 01 43 01 9a |.d..ONLN|.d...C..|
|00002ec0| 01 4f 02 1c 00 28 01 4c | 01 9a 19 6d 61 6a 6f 72 |.O...(.L|...major|
|00002ed0| 20 70 72 6f 62 6c 65 6d | 73 20 77 69 74 68 20 65 | problem|s with e|
|00002ee0| 76 65 72 79 00 06 00 00 | 00 00 00 a1 00 64 00 10 |very....|.....d..|
|00002ef0| 4f 4e 4c 4e 00 64 02 22 | 01 4f 00 5a 01 5b 01 af |ONLN.d."|.O.Z.[..|
|00002f00| 00 28 01 58 00 5a 46 50 | 6f 6c 6c 50 72 6f 63 20 |.(.X.ZFP|ollProc |
|00002f10| 65 76 65 72 20 6d 61 64 | 65 2e 20 54 68 65 20 62 |ever mad|e. The b|
|00002f20| 75 67 20 69 73 20 69 6e | 20 74 68 65 20 77 61 79 |ug is in| the way|
|00002f30| 20 74 68 61 74 20 74 68 | 65 20 50 6f 6c 6c 50 72 | that th|e PollPr|
|00002f40| 6f 63 20 6d 65 63 68 61 | 6e 69 73 6d 20 00 00 06 |oc mecha|nism ...|
|00002f50| 00 01 00 00 00 a1 00 64 | 00 10 4f 4e 4c 4e 00 64 |.......d|..ONLN.d|
|00002f60| 02 68 01 4f 01 af 01 5b | 02 1c 00 28 01 58 01 af |.h.O...[|...(.X..|
|00002f70| 18 68 61 6e 64 6c 65 73 | 20 64 61 74 61 20 65 72 |.handles| data er|
|00002f80| 72 6f 72 73 20 2d 20 69 | 74 00 00 06 00 00 00 00 |rors - i|t.......|
|00002f90| 00 a1 00 64 00 10 4f 4e | 4c 4e 00 64 02 81 01 5b |...d..ON|LN.d...[|
|00002fa0| 00 5a 01 67 00 b1 00 28 | 01 64 00 5a 12 64 6f 65 |.Z.g...(|.d.Z.doe|
|00002fb0| 73 6e 27 74 2e 20 20 41 | 74 20 73 6f 6d 65 20 00 |sn't.  A|t some .|
|00002fc0| 00 06 00 01 00 00 00 a1 | 00 64 00 10 4f 4e 4c 4e |........|.d..ONLN|
|00002fd0| 00 64 02 93 01 5b 00 b1 | 01 67 02 1c 00 29 57 4b |.d...[..|.g...)WK|
|00002fe0| 70 6f 69 6e 74 20 74 68 | 69 73 20 6d 69 67 68 74 |point th|is might|
|00002ff0| 20 67 65 74 20 66 69 78 | 65 64 20 61 6e 64 20 61 | get fix|ed and a|
|00003000| 6e 20 66 69 78 20 77 6f | 75 6c 64 20 72 65 71 75 |n fix wo|uld requ|
|00003010| 69 72 65 20 63 68 61 6e | 67 65 73 20 74 6f 20 61 |ire chan|ges to a|
|00003020| 6e 79 20 65 78 69 73 74 | 69 6e 67 00 00 06 00 02 |ny exist|ing.....|
|00003030| 00 00 00 a1 00 64 00 10 | 4f 4e 4c 4e 00 64 02 df |.....d..|ONLN.d..|
|00003040| 01 67 00 5a 01 73 01 f2 | 00 28 01 70 00 5a 4d 50 |.g.Z.s..|.(.p.ZMP|
|00003050| 6f 6c 6c 50 72 6f 63 73 | 2e 20 57 65 20 61 72 65 |ollProcs|. We are|
|00003060| 20 6f 6e 6c 79 20 64 6f | 63 75 6d 65 6e 74 69 6e | only do|cumentin|
|00003070| 67 20 74 68 69 73 20 6e | 6f 77 20 62 65 63 61 75 |g this n|ow becau|
|00003080| 73 65 20 77 65 20 28 41 | 70 70 6c 65 29 20 77 6f |se we (A|pple) wo|
|00003090| 75 6c 64 20 6c 69 6b 65 | 20 74 6f 20 00 06 00 03 |uld like| to ....|
|000030a0| 00 00 00 a1 00 64 00 10 | 4f 4e 4c 4e 00 64 03 2c |.....d..|ONLN.d.,|
|000030b0| 01 67 01 f2 01 73 02 1c | 00 28 01 70 01 f2 08 73 |.g...s..|.(.p...s|
|000030c0| 65 65 20 68 69 67 68 00 | 00 06 00 01 00 00 00 a1 |ee high.|........|
|000030d0| 00 64 00 10 4f 4e 4c 4e | 00 64 03 35 01 73 00 5a |.d..ONLN|.d.5.s.Z|
|000030e0| 01 7f 01 aa 00 28 01 7c | 00 5a 40 73 70 65 65 64 |.....(.||.Z@speed|
|000030f0| 20 4d 49 44 49 20 64 61 | 74 61 20 74 72 61 6e 73 | MIDI da|ta trans|
|00003100| 66 65 72 73 20 77 6f 72 | 6b 69 6e 67 20 6f 6e 20 |fers wor|king on |
|00003110| 74 68 65 20 50 6f 77 65 | 72 42 6f 6f 6b 20 31 37 |the Powe|rBook 17|
|00003120| 30 2f 31 34 30 2c 20 61 | 6e 64 20 00 00 06 00 02 |0/140, a|nd .....|
|00003130| 00 00 00 a1 00 64 00 10 | 4f 4e 4c 4e 00 64 03 75 |.....d..|ONLN.d.u|
|00003140| 01 73 01 aa 01 7f 02 1c | 00 28 01 7c 01 aa 17 74 |.s......|.(.|...t|
|00003150| 68 65 20 50 6f 6c 6c 50 | 72 6f 63 20 73 75 70 70 |he PollP|roc supp|
|00003160| 6f 72 74 20 69 73 00 06 | 00 00 00 00 00 a1 00 64 |ort is..|.......d|
|00003170| 00 10 4f 4e 4c 4e 00 64 | 03 8d 01 7f 00 5a 01 8b |..ONLN.d|.....Z..|
|00003180| 01 63 00 28 01 88 00 5a | 38 74 68 65 20 6f 6e 6c |.c.(...Z|8the onl|
|00003190| 79 20 73 6f 6c 75 74 69 | 6f 6e 20 77 65 20 68 61 |y soluti|on we ha|
|000031a0| 76 65 20 62 65 65 6e 20 | 61 62 6c 65 20 74 6f 20 |ve been |able to |
|000031b0| 63 6f 6d 65 20 75 70 20 | 77 69 74 68 2e 20 49 66 |come up |with. If|
|000031c0| 20 00 00 06 00 01 00 00 | 00 a1 00 64 00 10 4f 4e | .......|...d..ON|
|000031d0| 4c 4e 00 64 03 c5 01 7f | 01 63 01 8b 02 1c 00 28 |LN.d....|.c.....(|
|000031e0| 01 88 01 63 25 79 6f 75 | 20 64 6f 20 75 73 65 20 |...c%you| do use |
|000031f0| 74 68 69 73 20 69 6e 66 | 6f 72 6d 61 74 69 6f 6e |this inf|ormation|
|00003200| 2c 20 62 65 20 61 77 61 | 72 65 00 a1 00 64 00 10 |, be awa|re...d..|
|00003210| 4f 4e 4c 4e 00 64 03 eb | 01 8b 00 5a 01 97 01 24 |ONLN.d..|...Z...$|
|00003220| 00 28 01 94 00 5a 27 74 | 68 61 74 20 74 68 65 20 |.(...Z't|hat the |
|00003230| 50 6f 6c 6c 50 72 6f 63 | 20 6d 65 63 68 61 6e 69 |PollProc| mechani|
|00003240| 73 6d 20 6d 61 79 20 63 | 68 61 6e 67 65 20 00 06 |sm may c|hange ..|
|00003250| 00 02 00 00 00 a1 00 64 | 00 10 4f 4e 4c 4e 00 64 |.......d|..ONLN.d|
|00003260| 04 12 01 8b 01 24 01 97 | 02 1c 00 29 ca 31 69 6e |.....$..|...).1in|
|00003270| 20 74 68 65 20 66 75 74 | 75 72 65 20 61 6e 64 20 | the fut|ure and |
|00003280| 77 68 65 6e 20 69 74 20 | 64 6f 65 73 20 79 6f 75 |when it |does you|
|00003290| 72 20 50 6f 6c 6c 50 72 | 6f 63 20 77 69 6c 6c 00 |r PollPr|oc will.|
|000032a0| 00 06 00 03 00 00 00 a1 | 00 64 00 10 4f 4e 4c 4e |........|.d..ONLN|
|000032b0| 00 64 04 44 01 97 00 5a | 01 a3 00 ed 00 28 01 a0 |.d.D...Z|.....(..|
|000032c0| 00 5a 1a 6e 65 65 64 20 | 74 6f 20 63 68 61 6e 67 |.Z.need |to chang|
|000032d0| 65 2e 20 57 65 20 64 6f | 20 6e 6f 74 20 00 00 06 |e. We do| not ...|
|000032e0| 00 04 00 00 00 a1 00 64 | 00 10 4f 4e 4c 4e 00 64 |.......d|..ONLN.d|
|000032f0| 04 5e 01 97 00 ed 01 a3 | 02 1c 00 29 93 35 72 65 |.^......|...).5re|
|00003300| 63 6f 6d 6d 65 6e 64 20 | 74 68 65 20 75 73 65 20 |commend |the use |
|00003310| 6f 66 20 50 6f 6c 6c 50 | 72 6f 63 20 6d 65 63 68 |of PollP|roc mech|
|00003320| 61 6e 69 73 6d 73 20 6f | 6e 20 61 6e 79 20 6f 74 |anisms o|n any ot|
|00003330| 68 65 72 00 00 06 00 00 | 00 00 00 a1 00 64 00 10 |her.....|.....d..|
|00003340| 4f 4e 4c 4e 00 64 04 94 | 01 a3 00 5a 01 af 00 c3 |ONLN.d..|...Z....|
|00003350| 00 28 01 ac 00 5a 14 4d | 61 63 69 6e 74 6f 73 68 |.(...Z.M|acintosh|
|00003360| 20 63 6f 6d 70 75 74 65 | 72 73 2e 00 00 04 01 00 | compute|rs......|
|00003370| 00 0d 00 0e 00 a1 00 64 | 00 10 4f 4e 4c 4e 00 64 |.......d|..ONLN.d|
|00003380| 04 a9 01 c7 00 5a 01 d6 | 00 e3 00 2a 27 13 57 68 |.....Z..|...*'.Wh|
|00003390| 61 74 20 74 68 65 20 50 | 72 6f 62 6c 65 6d 20 49 |at the P|roblem I|
|000033a0| 73 00 00 04 00 00 00 0d | 00 0c 00 06 00 01 00 00 |s.......|........|
|000033b0| 00 a1 00 64 00 10 4f 4e | 4c 4e 00 64 04 bd 01 e2 |...d..ON|LN.d....|
|000033c0| 00 5a 01 ee 01 7f 00 2a | 18 37 57 68 65 6e 20 64 |.Z.....*|.7When d|
|000033d0| 6f 69 6e 67 20 61 20 6c | 61 72 67 65 20 64 61 74 |oing a l|arge dat|
|000033e0| 61 20 64 75 6d 70 2c 20 | 73 75 63 68 20 61 73 20 |a dump, |such as |
|000033f0| 64 6f 77 6e 6c 6f 61 64 | 69 6e 67 20 4d 49 44 49 |download|ing MIDI|
|00003400| 20 00 00 06 00 02 00 00 | 00 a1 00 64 00 10 4f 4e | .......|...d..ON|
|00003410| 4c 4e 00 64 04 f4 01 e2 | 01 7f 01 ee 02 1c 00 28 |LN.d....|.......(|
|00003420| 01 eb 01 7f 1e 69 6e 73 | 74 72 75 6d 65 6e 74 73 |.....ins|truments|
|00003430| 20 6f 72 20 73 61 6d 70 | 6c 65 64 20 73 6f 75 6e | or samp|led soun|
|00003440| 64 73 2c 00 00 06 00 00 | 00 00 00 a1 00 64 00 10 |ds,.....|.....d..|
|00003450| 4f 4e 4c 4e 00 64 05 13 | 01 ee 00 5a 01 fa 01 9f |ONLN.d..|...Z....|
|00003460| 00 28 01 f7 00 5a 42 4d | 49 44 49 20 64 61 74 61 |.(...ZBM|IDI data|
|00003470| 20 6f 76 65 72 72 75 6e | 73 20 74 68 65 20 69 6e | overrun|s the in|
|00003480| 70 75 74 20 73 65 72 69 | 61 6c 20 70 6f 72 74 20 |put seri|al port |
|00003490| 6f 6e 20 74 68 65 20 50 | 6f 77 65 72 42 6f 6f 6b |on the P|owerBook|
|000034a0| 20 31 37 30 2f 31 34 30 | 2e 00 00 04 01 00 00 a1 | 170/140|........|
|000034b0| 00 64 00 10 4f 4e 4c 4e | 00 64 05 56 02 06 00 5a |.d..ONLN|.d.V...Z|
|000034c0| 02 12 00 9e 00 2a 18 0a | 42 61 63 6b 67 72 6f 75 |.....*..|Backgrou|
|000034d0| 6e 64 00 04 00 00 00 a1 | 00 64 00 10 4f 4e 4c 4e |nd......|.d..ONLN|
|000034e0| 00 64 05 61 02 1e 00 6c | 02 2a 00 70 00 2b 12 18 |.d.a...l|.*.p.+..|
|000034f0| 01 a5 00 06 00 04 00 00 | 00 a1 00 64 00 10 4f 4e |........|...d..ON|
|00003500| 4c 4e 00 64 05 63 02 1e | 00 79 02 2a 00 d4 00 29 |LN.d.c..|.y.*...)|
|00003510| 0d 10 4d 49 44 49 20 64 | 65 76 65 6c 6f 70 65 72 |..MIDI d|eveloper|
|00003520| 73 20 00 06 00 05 00 00 | 00 a1 00 64 00 10 4f 4e |s ......|...d..ON|
|00003530| 4c 4e 00 64 05 73 02 1e | 00 d4 02 2a 01 f8 00 29 |LN.d.s..|...*...)|
|00003540| 5b 34 61 6e 64 20 75 73 | 65 72 73 20 68 61 76 65 |[4and us|ers have|
|00003550| 20 62 65 65 6e 20 72 65 | 70 6f 72 74 69 6e 67 20 | been re|porting |
|00003560| 70 72 6f 62 6c 65 6d 73 | 20 74 68 61 74 20 6f 63 |problems| that oc|
|00003570| 63 75 72 20 6f 6e 00 06 | 00 01 00 00 00 a1 00 64 |cur on..|.......d|
|00003580| 00 10 4f 4e 4c 4e 00 64 | 05 a8 02 2a 00 79 02 36 |..ONLN.d|...*.y.6|
|00003590| 01 8f 00 28 02 33 00 79 | 35 50 6f 77 65 72 42 6f |...(.3.y|5PowerBo|
|000035a0| 6f 6b 20 31 37 30 2f 31 | 34 30 2e 20 54 68 65 20 |ok 170/1|40. The |
|000035b0| 73 70 65 63 69 66 69 63 | 20 70 72 6f 62 6c 65 6d |specific| problem|
|000035c0| 20 64 65 73 63 72 69 62 | 65 64 20 62 79 20 00 06 | describ|ed by ..|
|000035d0| 00 02 00 00 00 a1 00 64 | 00 10 4f 4e 4c 4e 00 64 |.......d|..ONLN.d|
|000035e0| 05 dd 02 2a 01 8f 02 36 | 01 f8 00 28 02 33 01 8f |...*...6|...(.3..|
|000035f0| 16 74 68 65 20 64 65 76 | 65 6c 6f 70 65 72 73 20 |.the dev|elopers |
|00003600| 69 73 20 74 68 61 74 00 | 00 06 00 00 00 00 00 a1 |is that.|........|
|00003610| 00 64 00 10 4f 4e 4c 4e | 00 64 05 f4 02 36 00 79 |.d..ONLN|.d...6.y|
|00003620| 02 42 01 90 00 28 02 3f | 00 79 3f 64 61 74 61 20 |.B...(.?|.y?data |
|00003630| 6f 76 65 72 72 75 6e 20 | 65 72 72 6f 72 73 20 6f |overrun |errors o|
|00003640| 63 63 75 72 20 28 74 68 | 61 74 20 69 73 2c 20 73 |ccur (th|at is, s|
|00003650| 65 72 69 61 6c 20 64 61 | 74 61 20 69 73 20 6c 6f |erial da|ta is lo|
|00003660| 73 74 29 2e 20 4d 49 44 | 49 20 00 06 00 01 00 00 |st). MID|I ......|
|00003670| 00 a1 00 64 00 10 4f 4e | 4c 4e 00 64 06 33 02 36 |...d..ON|LN.d.3.6|
|00003680| 01 90 02 42 01 f8 00 28 | 02 3f 01 90 18 64 61 74 |...B...(|.?...dat|
|00003690| 61 20 69 73 20 73 65 72 | 69 61 6c 20 64 61 74 61 |a is ser|ial data|
|000036a0| 20 74 68 61 74 00 00 a1 | 00 64 00 10 4f 4e 4c 4e | that...|.d..ONLN|
|000036b0| 00 64 06 4c 02 42 00 79 | 02 4e 01 61 00 28 02 4b |.d.L.B.y|.N.a.(.K|
|000036c0| 00 79 2f 69 73 20 74 72 | 61 6e 73 6d 69 74 74 65 |.y/is tr|ansmitte|
|000036d0| 64 20 61 74 20 33 31 2e | 32 35 20 4b 62 61 75 64 |d at 31.|25 Kbaud|
|000036e0| 2e 20 54 68 69 73 20 6d | 65 61 6e 73 20 74 68 61 |. This m|eans tha|
|000036f0| 74 20 00 06 00 02 00 00 | 00 a1 00 64 00 10 4f 4e |t ......|...d..ON|
|00003700| 4c 4e 00 64 06 7b 02 42 | 01 61 02 4e 01 f8 00 29 |LN.d.{.B|.a.N...)|
|00003710| e8 1f 6f 6e 65 20 62 79 | 74 65 20 6f 66 20 64 61 |..one by|te of da|
|00003720| 74 61 20 69 73 20 74 72 | 61 6e 73 6d 69 74 74 65 |ta is tr|ansmitte|
|00003730| 64 00 00 06 00 00 00 00 | 00 a1 00 64 00 10 4f 4e |d.......|...d..ON|
|00003740| 4c 4e 00 64 06 9b 02 4e | 00 79 02 5a 01 0a 00 28 |LN.d...N|.y.Z...(|
|00003750| 02 57 00 79 1d 61 70 70 | 72 6f 78 69 6d 61 74 65 |.W.y.app|roximate|
|00003760| 6c 79 20 65 76 65 72 79 | 20 32 30 30 20 75 73 65 |ly every| 200 use|
|00003770| 63 2e 00 a1 00 64 00 10 | 4f 4e 4c 4e 00 64 06 b9 |c....d..|ONLN.d..|
|00003780| 02 66 00 6c 02 72 00 70 | 00 28 02 6f 00 6c 01 a5 |.f.l.r.p|.(.o.l..|
|00003790| 00 a1 00 64 00 10 4f 4e | 4c 4e 00 64 06 bb 02 66 |...d..ON|LN.d...f|
|000037a0| 00 79 02 72 01 b9 00 29 | 0d 44 54 68 65 20 73 65 |.y.r...)|.DThe se|
|000037b0| 72 69 61 6c 20 70 6f 72 | 74 20 68 61 73 20 61 20 |rial por|t has a |
|000037c0| 74 68 72 65 65 2d 62 79 | 74 65 20 46 49 46 4f 2c |three-by|te FIFO,|
|000037d0| 20 77 68 69 63 68 20 6d | 65 61 6e 73 20 74 68 61 | which m|eans tha|
|000037e0| 74 20 74 68 72 65 65 20 | 62 79 74 65 73 20 00 06 |t three |bytes ..|
|000037f0| 00 01 00 00 00 a1 00 64 | 00 10 4f 4e 4c 4e 00 64 |.......d|..ONLN.d|
|00003800| 06 ff 02 66 01 b9 02 72 | 01 f8 00 28 02 6f 01 b9 |...f...r|...(.o..|
|00003810| 0d 6f 66 20 64 61 74 61 | 20 63 6f 75 6c 64 00 06 |.of data| could..|
|00003820| 00 00 00 00 00 a1 00 64 | 00 10 4f 4e 4c 4e 00 64 |.......d|..ONLN.d|
|00003830| 07 0d 02 72 00 79 02 7e | 01 7c 00 28 02 7b 00 79 |...r.y.~|.|.(.{.y|
|00003840| 38 62 65 20 73 74 6f 72 | 65 64 20 74 65 6d 70 6f |8be stor|ed tempo|
|00003850| 72 61 72 69 6c 79 20 62 | 65 66 6f 72 65 20 61 20 |rarily b|efore a |
|00003860| 64 61 74 61 20 6f 76 65 | 72 72 75 6e 20 28 64 61 |data ove|rrun (da|
|00003870| 74 61 20 6c 6f 73 73 29 | 2e 00 00 a1 00 64 00 10 |ta loss)|.....d..|
|00003880| 4f 4e 4c 4e 00 64 07 46 | 02 8a 00 6c 02 96 00 70 |ONLN.d.F|...l...p|
|00003890| 00 28 02 93 00 6c 01 a5 | 00 a1 00 64 00 10 4f 4e |.(...l..|...d..ON|
|000038a0| 4c 4e 00 64 07 48 02 8a | 00 79 02 96 01 14 00 29 |LN.d.H..|.y.....)|
|000038b0| 0d 1e 54 68 65 20 4d 49 | 44 49 20 66 75 6e 63 74 |..The MI|DI funct|
|000038c0| 69 6f 6e 65 64 20 4f 4b | 20 6f 6e 20 74 68 65 20 |ioned OK| on the |
|000038d0| 00 06 00 01 00 00 00 a1 | 00 64 00 10 4f 4e 4c 4e |........|.d..ONLN|
|000038e0| 00 64 07 66 02 8a 01 14 | 02 96 01 f8 00 29 9b 30 |.d.f....|.....).0|
|000038f0| 6f 72 69 67 69 6e 61 6c | 20 70 6f 72 74 61 62 6c |original| portabl|
|00003900| 65 2c 20 62 75 74 20 6a | 75 73 74 20 62 61 72 65 |e, but j|ust bare|
|00003910| 6c 79 2e 20 54 68 65 20 | 6f 76 65 72 68 65 61 64 |ly. The |overhead|
|00003920| 00 06 00 00 00 00 00 a1 | 00 64 00 10 4f 4e 4c 4e |........|.d..ONLN|
|00003930| 00 64 07 97 02 96 00 79 | 02 a2 00 dd 00 28 02 9f |.d.....y|.....(..|
|00003940| 00 79 14 6f 66 20 63 6f | 6d 6d 75 6e 69 63 61 74 |.y.of co|mmunicat|
|00003950| 69 6e 67 20 74 6f 20 00 | 00 06 00 01 00 00 00 a1 |ing to .|........|
|00003960| 00 64 00 10 4f 4e 4c 4e | 00 64 07 ab 02 96 00 dd |.d..ONLN|.d......|
|00003970| 02 a2 01 f8 00 29 64 38 | 74 68 65 20 70 6f 77 65 |.....)d8|the powe|
|00003980| 72 20 6d 61 6e 61 67 65 | 72 20 6d 69 63 72 6f 70 |r manage|r microp|
|00003990| 72 6f 63 65 73 73 6f 72 | 20 73 65 65 6d 73 20 74 |rocessor| seems t|
|000039a0| 6f 20 69 6e 74 65 72 66 | 65 72 65 20 77 69 74 68 |o interf|ere with|
|000039b0| 00 06 00 00 00 00 00 a1 | 00 64 00 10 4f 4e 4c 4e |........|.d..ONLN|
|000039c0| 00 64 07 e4 02 a2 00 79 | 02 ae 00 97 00 28 02 ab |.d.....y|.....(..|
|000039d0| 00 79 05 4d 49 44 49 2e | 00 20 02 c0 00 58 02 c0 |.y.MIDI.|. ...X..|
|000039e0| 02 1d 00 0d 00 0a 00 28 | 02 d5 00 5a 17 44 56 20 |.......(|...Z.DV |
|000039f0| 32 31 20 2d 20 53 65 72 | 69 61 6c 20 50 6f 6c 6c |21 - Ser|ial Poll|
|00003a00| 50 72 6f 63 00 28 02 d5 | 02 04 01 31 00 29 05 05 |Proc.(..|...1.)..|
|00003a10| 20 6f 66 20 34 00 00 28 | 02 eb 00 5a 07 44 65 76 | of 4..(|...Z.Dev|
|00003a20| 69 63 65 73 00 ff 00 a1 | 00 c0 01 f4 25 25 44 53 |ices....|....%%DS|
|00003a30| 49 44 49 43 54 3a 5f 63 | 76 0d 63 75 72 72 65 6e |IDICT:_c|v.curren|
|00003a40| 74 64 69 63 74 20 2f 62 | 75 20 6b 6e 6f 77 6e 20 |tdict /b|u known |
|00003a50| 7b 62 75 7d 69 66 0d 75 | 73 65 72 64 69 63 74 20 |{bu}if.u|serdict |
|00003a60| 2f 5f 63 76 20 6b 6e 6f | 77 6e 20 6e 6f 74 7b 75 |/_cv kno|wn not{u|
|00003a70| 73 65 72 64 69 63 74 20 | 2f 5f 63 76 20 33 30 20 |serdict |/_cv 30 |
|00003a80| 64 69 63 74 20 70 75 74 | 7d 69 66 0d 5f 63 76 20 |dict put|}if._cv |
|00003a90| 62 65 67 69 6e 0d 2f 62 | 64 66 7b 62 69 6e 64 20 |begin./b|df{bind |
|00003aa0| 64 65 66 7d 62 69 6e 64 | 20 64 65 66 0d 63 75 72 |def}bind| def.cur|
|00003ab0| 72 65 6e 74 73 63 72 65 | 65 6e 2f 63 73 20 65 78 |rentscre|en/cs ex|
|00003ac0| 63 68 20 64 65 66 2f 63 | 61 20 65 78 63 68 20 64 |ch def/c|a exch d|
|00003ad0| 65 66 2f 63 66 20 65 78 | 63 68 20 64 65 66 0d 2f |ef/cf ex|ch def./|
|00003ae0| 73 65 74 63 6d 79 6b 63 | 6f 6c 6f 72 20 77 68 65 |setcmykc|olor whe|
|00003af0| 72 65 7b 2f 73 65 74 63 | 6d 79 6b 63 6f 6c 6f 72 |re{/setc|mykcolor|
|00003b00| 20 67 65 74 20 2f 63 76 | 63 6d 79 6b 20 65 78 63 | get /cv|cmyk exc|
|00003b10| 68 20 64 65 66 7d 7b 2f | 63 76 63 6d 79 6b 7b 31 |h def}{/|cvcmyk{1|
|00003b20| 20 73 75 62 20 34 20 31 | 20 72 6f 6c 6c 20 33 7b | sub 4 1| roll 3{|
|00003b30| 33 20 69 6e 64 65 78 20 | 61 64 64 20 6e 65 67 20 |3 index |add neg |
|00003b40| 64 75 70 20 30 20 6c 74 | 7b 70 6f 70 20 30 7d 69 |dup 0 lt|{pop 0}i|
|00003b50| 66 20 33 20 31 20 72 6f | 6c 6c 7d 72 65 70 65 61 |f 3 1 ro|ll}repea|
|00003b60| 74 20 73 65 74 72 67 62 | 63 6f 6c 6f 72 20 70 6f |t setrgb|color po|
|00003b70| 70 7d 62 64 66 20 7d 69 | 66 65 6c 73 65 0d 2f 73 |p}bdf }i|felse./s|
|00003b80| 73 7b 2f 2f 63 66 20 2f | 2f 63 61 20 2f 2f 63 73 |s{//cf /|/ca //cs|
|00003b90| 20 73 65 74 73 63 72 65 | 65 6e 7d 62 64 66 0d 2f | setscre|en}bdf./|
|00003ba0| 73 74 67 7b 73 73 20 73 | 65 74 67 72 61 79 7d 62 |stg{ss s|etgray}b|
|00003bb0| 64 66 0d 2f 73 74 72 67 | 62 7b 73 73 20 73 65 74 |df./strg|b{ss set|
|00003bc0| 72 67 62 63 6f 6c 6f 72 | 7d 62 64 66 0d 2f 73 74 |rgbcolor|}bdf./st|
|00003bd0| 63 6d 79 6b 7b 73 73 20 | 63 76 63 6d 79 6b 7d 62 |cmyk{ss |cvcmyk}b|
|00003be0| 64 66 0d 2f 6d 69 6e 31 | 7b 64 75 70 20 30 20 65 |df./min1|{dup 0 e|
|00003bf0| 71 7b 70 6f 70 20 31 7d | 69 66 7d 62 64 66 0d 65 |q{pop 1}|if}bdf.e|
|00003c00| 6e 64 0d 63 75 72 72 65 | 6e 74 64 69 63 74 20 2f |nd.curre|ntdict /|
|00003c10| 62 6e 20 6b 6e 6f 77 6e | 20 7b 62 6e 7d 69 66 0d |bn known| {bn}if.|
|00003c20| 00 a0 00 bf 15 b4 00 00 | 00 00 03 48 02 52 00 11 |........|...H.R..|
|00003c30| 02 ff 0c 00 ff ff ff ff | 00 00 00 00 00 00 00 00 |........|........|
|00003c40| 02 52 00 00 03 48 00 00 | 00 00 00 00 00 1e 00 01 |.R...H..|........|
|00003c50| 00 0a 00 00 00 00 03 48 | 02 52 00 2c 00 08 00 14 |.......H|.R.,....|
|00003c60| 05 54 69 6d 65 73 00 03 | 00 14 00 0d 00 0a 00 2e |.Times..|........|
|00003c70| 00 04 00 00 00 00 00 2b | 36 2d 19 4d 61 63 69 6e |.......+|6-.Macin|
|00003c80| 74 6f 73 68 20 54 65 63 | 68 6e 69 63 61 6c 20 4e |tosh Tec|hnical N|
|00003c90| 6f 74 65 73 00 20 00 2f | 00 34 00 2f 01 f9 00 0d |otes. ./|.4./....|
|00003ca0| 00 0c 00 a1 00 64 00 10 | 4f 4e 4c 4e 00 64 00 00 |.....d..|ONLN.d..|
|00003cb0| 00 48 00 48 00 54 00 4c | 00 2b 12 24 01 a5 00 06 |.H.H.T.L|.+.$....|
|00003cc0| 00 03 00 00 00 a1 00 64 | 00 10 4f 4e 4c 4e 00 64 |.......d|..ONLN.d|
|00003cd0| 00 02 00 48 00 55 00 54 | 00 6d 00 29 0d 04 54 68 |...H.U.T|.m.)..Th|
|00003ce0| 65 20 00 06 00 04 00 00 | 00 a1 00 64 00 10 4f 4e |e ......|...d..ON|
|00003cf0| 4c 4e 00 64 00 06 00 48 | 00 6d 00 54 01 d4 00 29 |LN.d...H|.m.T...)|
|00003d00| 18 41 31 37 30 2f 31 34 | 30 20 68 61 72 64 77 61 |.A170/14|0 hardwa|
|00003d10| 72 65 20 72 65 71 75 69 | 72 65 64 20 63 65 72 74 |re requi|red cert|
|00003d20| 61 69 6e 20 63 68 61 6e | 67 65 73 20 74 6f 20 74 |ain chan|ges to t|
|00003d30| 68 65 20 70 6f 77 65 72 | 20 6d 61 6e 61 67 65 6d |he power| managem|
|00003d40| 65 6e 74 00 00 a1 00 64 | 00 10 4f 4e 4c 4e 00 64 |ent....d|..ONLN.d|
|00003d50| 00 48 00 54 00 55 00 60 | 01 a8 00 28 00 5d 00 55 |.H.T.U.`|...(.].U|
|00003d60| 40 73 6f 66 74 77 61 72 | 65 20 62 65 63 61 75 73 |@softwar|e becaus|
|00003d70| 65 20 6f 66 20 63 68 61 | 6e 67 65 73 20 69 6e 20 |e of cha|nges in |
|00003d80| 74 68 65 20 68 61 72 64 | 77 61 72 65 2e 20 49 6e |the hard|ware. In|
|00003d90| 20 70 61 72 74 69 63 75 | 6c 61 72 2c 20 74 68 65 | particu|lar, the|
|00003da0| 20 00 00 06 00 05 00 00 | 00 a1 00 64 00 10 4f 4e | .......|...d..ON|
|00003db0| 4c 4e 00 64 00 88 00 54 | 01 a8 00 60 01 d4 00 28 |LN.d...T|...`...(|
|00003dc0| 00 5d 01 a8 08 68 61 72 | 64 77 61 72 65 00 00 06 |.]...har|dware...|
|00003dd0| 00 02 00 00 00 a1 00 64 | 00 10 4f 4e 4c 4e 00 64 |.......d|..ONLN.d|
|00003de0| 00 91 00 60 00 55 00 6c | 01 24 00 28 00 69 00 55 |...`.U.l|.$.(.i.U|
|00003df0| 29 63 68 61 6e 67 65 73 | 20 72 65 71 75 69 72 65 |)changes| require|
|00003e00| 64 20 63 68 61 6e 67 65 | 73 20 74 6f 20 74 68 65 |d change|s to the|
|00003e10| 20 70 72 6f 74 6f 63 6f | 6c 20 00 06 00 03 00 00 | protoco|l ......|
|00003e20| 00 a1 00 64 00 10 4f 4e | 4c 4e 00 64 00 ba 00 60 |...d..ON|LN.d...`|
|00003e30| 01 24 00 6c 01 d4 00 29 | cf 20 75 73 65 64 20 74 |.$.l...)|. used t|
|00003e40| 6f 20 63 6f 6d 6d 75 6e | 69 63 61 74 65 20 74 6f |o commun|icate to|
|00003e50| 20 74 68 65 20 70 6f 77 | 65 72 00 06 00 00 00 00 | the pow|er......|
|00003e60| 00 a1 00 64 00 10 4f 4e | 4c 4e 00 64 00 db 00 6c |...d..ON|LN.d...l|
|00003e70| 00 55 00 78 00 cd 00 28 | 00 75 00 55 17 6d 61 6e |.U.x...(|.u.U.man|
|00003e80| 61 67 65 72 20 6d 69 63 | 72 6f 70 72 6f 63 65 73 |ager mic|roproces|
|00003e90| 73 6f 72 2e 00 a1 00 64 | 00 10 4f 4e 4c 4e 00 64 |sor....d|..ONLN.d|
|00003ea0| 00 f3 00 84 00 48 00 90 | 00 4c 00 28 00 8d 00 48 |.....H..|.L.(...H|
|00003eb0| 01 a5 00 a1 00 64 00 10 | 4f 4e 4c 4e 00 64 00 f5 |.....d..|ONLN.d..|
|00003ec0| 00 84 00 55 00 90 00 94 | 00 29 0d 0c 54 68 65 20 |...U....|.)..The |
|00003ed0| 31 37 30 2f 31 34 30 20 | 00 06 00 01 00 00 00 a1 |170/140 |........|
|00003ee0| 00 64 00 10 4f 4e 4c 4e | 00 64 01 01 00 84 00 94 |.d..ONLN|.d......|
|00003ef0| 00 90 01 d4 00 29 3f 41 | 68 61 73 20 73 6f 66 74 |.....)?A|has soft|
|00003f00| 77 61 72 65 20 62 61 63 | 6b 6c 69 67 68 74 20 63 |ware bac|klight c|
|00003f10| 6f 6e 74 72 6f 6c 73 20 | 74 68 61 74 20 63 61 75 |ontrols |that cau|
|00003f20| 73 65 20 63 6f 6e 73 74 | 61 6e 74 20 63 6f 6d 6d |se const|ant comm|
|00003f30| 75 6e 69 63 61 74 69 6f | 6e 00 00 06 00 00 00 00 |unicatio|n.......|
|00003f40| 00 a1 00 64 00 10 4f 4e | 4c 4e 00 64 01 43 00 90 |...d..ON|LN.d.C..|
|00003f50| 00 55 00 9c 01 c4 00 28 | 00 99 00 55 48 62 65 74 |.U.....(|...UHbet|
|00003f60| 77 65 65 6e 20 74 68 65 | 20 36 38 30 33 30 20 61 |ween the| 68030 a|
|00003f70| 6e 64 20 74 68 65 20 70 | 6f 77 65 72 20 6d 61 6e |nd the p|ower man|
|00003f80| 61 67 65 72 20 6d 69 63 | 72 6f 70 72 6f 63 65 73 |ager mic|roproces|
|00003f90| 73 6f 72 20 28 65 76 65 | 72 79 20 32 30 30 20 6d |sor (eve|ry 200 m|
|00003fa0| 73 65 63 29 2e 00 00 04 | 01 00 00 a1 00 64 00 10 |sec)....|.....d..|
|00003fb0| 4f 4e 4c 4e 00 64 01 8c | 00 a8 00 36 00 b4 00 68 |ONLN.d..|...6...h|
|00003fc0| 00 28 00 b1 00 36 08 46 | 69 6e 64 69 6e 67 73 00 |.(...6.F|indings.|
|00003fd0| 00 04 00 00 00 a1 00 64 | 00 10 4f 4e 4c 4e 00 64 |.......d|..ONLN.d|
|00003fe0| 01 95 00 c0 00 48 00 cc | 00 4c 00 2b 12 18 01 a5 |.....H..|.L.+....|
|00003ff0| 00 a1 00 64 00 10 4f 4e | 4c 4e 00 64 01 97 00 c0 |...d..ON|LN.d....|
|00004000| 00 55 00 cc 01 35 00 29 | 0d 2e 54 68 65 20 4d 49 |.U...5.)|..The MI|
|00004010| 44 49 20 64 72 69 76 65 | 72 20 6c 6f 73 65 73 20 |DI drive|r loses |
|00004020| 64 61 74 61 2e 20 54 68 | 65 20 31 37 30 2f 31 34 |data. Th|e 170/14|
|00004030| 30 20 68 61 73 20 61 20 | 00 06 00 01 00 00 00 a1 |0 has a |........|
|00004040| 00 64 00 10 4f 4e 4c 4e | 00 64 01 c5 00 c0 01 35 |.d..ONLN|.d.....5|
|00004050| 00 cc 01 d4 00 29 e0 21 | 72 65 61 6c 2d 74 69 6d |.....).!|real-tim|
|00004060| 65 20 70 72 6f 62 6c 65 | 6d 20 61 6e 64 20 69 73 |e proble|m and is|
|00004070| 20 6e 6f 74 20 61 62 6c | 65 00 00 06 00 02 00 00 | not abl|e.......|
|00004080| 00 a1 00 64 00 10 4f 4e | 4c 4e 00 64 01 e7 00 cc |...d..ON|LN.d....|
|00004090| 00 55 00 d8 01 6a 00 28 | 00 d5 00 55 37 74 6f 20 |.U...j.(|...U7to |
|000040a0| 6b 65 65 70 20 75 70 20 | 77 69 74 68 20 73 75 73 |keep up |with sus|
|000040b0| 74 61 69 6e 65 64 20 4d | 49 44 49 20 64 61 74 61 |tained M|IDI data|
|000040c0| 20 72 61 74 65 73 2e 20 | 54 68 65 20 63 75 6c 70 | rates. |The culp|
|000040d0| 72 69 74 20 00 06 00 03 | 00 00 00 a1 00 64 00 10 |rit ....|.....d..|
|000040e0| 4f 4e 4c 4e 00 64 02 1e | 00 cc 01 6a 00 d8 01 d4 |ONLN.d..|...j....|
|000040f0| 00 28 00 d5 01 6a 14 69 | 73 20 74 68 65 20 63 6f |.(...j.i|s the co|
|00004100| 6d 6d 75 6e 69 63 61 74 | 69 6f 6e 00 00 06 00 05 |mmunicat|ion.....|
|00004110| 00 00 00 a1 00 64 00 10 | 4f 4e 4c 4e 00 64 02 33 |.....d..|ONLN.d.3|
|00004120| 00 d8 00 55 00 e4 01 c3 | 00 28 00 e1 00 55 3f 62 |...U....|.(...U?b|
|00004130| 65 74 77 65 65 6e 20 74 | 68 65 20 36 38 30 33 30 |etween t|he 68030|
|00004140| 20 61 6e 64 20 74 68 65 | 20 70 6f 77 65 72 20 6d | and the| power m|
|00004150| 61 6e 61 67 65 72 20 6d | 69 63 72 6f 70 72 6f 63 |anager m|icroproc|
|00004160| 65 73 73 6f 72 2e 20 44 | 75 72 69 6e 67 20 00 06 |essor. D|uring ..|
|00004170| 00 06 00 00 00 a1 00 64 | 00 10 4f 4e 4c 4e 00 64 |.......d|..ONLN.d|
|00004180| 02 72 00 d8 01 c3 00 e4 | 01 d4 00 28 00 e1 01 c3 |.r......|...(....|
|00004190| 04 74 68 69 73 00 00 06 | 00 00 00 00 00 a1 00 64 |.this...|.......d|
|000041a0| 00 10 4f 4e 4c 4e 00 64 | 02 77 00 e4 00 55 00 f0 |..ONLN.d|.w...U..|
|000041b0| 01 ac 00 28 00 ed 00 55 | 48 63 6f 6d 6d 75 6e 69 |...(...U|Hcommuni|
|000041c0| 63 61 74 69 6f 6e 2c 20 | 69 6e 74 65 72 72 75 70 |cation, |interrup|
|000041d0| 74 73 20 6d 75 73 74 20 | 62 65 20 64 69 73 61 62 |ts must |be disab|
|000041e0| 6c 65 64 20 66 6f 72 20 | 61 20 63 65 72 74 61 69 |led for |a certai|
|000041f0| 6e 20 61 6d 6f 75 6e 74 | 20 6f 66 20 74 69 6d 65 |n amount| of time|
|00004200| 2e 00 00 a1 00 64 00 10 | 4f 4e 4c 4e 00 64 02 c0 |.....d..|ONLN.d..|
|00004210| 00 fc 00 48 01 08 00 4c | 00 28 01 05 00 48 01 a5 |...H...L|.(...H..|
|00004220| 00 06 00 01 00 00 00 a1 | 00 64 00 10 4f 4e 4c 4e |........|.d..ONLN|
|00004230| 00 64 02 c2 00 fc 00 55 | 01 08 01 ca 00 29 0d 4a |.d.....U|.....).J|
|00004240| 4f 6e 20 74 68 65 20 31 | 37 30 2f 31 34 30 2c 20 |On the 1|70/140, |
|00004250| 74 68 65 20 70 72 6f 74 | 6f 63 6f 6c 20 66 6f 72 |the prot|ocol for|
|00004260| 20 74 68 69 73 20 63 6f | 6d 6d 75 6e 69 63 61 74 | this co|mmunicat|
|00004270| 69 6f 6e 20 77 61 73 20 | 63 68 61 6e 67 65 64 20 |ion was |changed |
|00004280| 66 72 6f 6d 20 74 68 61 | 74 20 00 06 00 02 00 00 |from tha|t ......|
|00004290| 00 a1 00 64 00 10 4f 4e | 4c 4e 00 64 03 0c 00 fc |...d..ON|LN.d....|
|000042a0| 01 ca 01 08 01 d4 00 28 | 01 05 01 ca 02 6f 66 00 |.......(|.....of.|
|000042b0| 00 06 00 03 00 00 00 a1 | 00 64 00 10 4f 4e 4c 4e |........|.d..ONLN|
|000042c0| 00 64 03 0f 01 08 00 55 | 01 14 00 99 00 28 01 11 |.d.....U|.....(..|
|000042d0| 00 55 0e 74 68 65 20 70 | 6f 72 74 61 62 6c 65 2e |.U.the p|ortable.|
|000042e0| 20 00 00 06 00 04 00 00 | 00 a1 00 64 00 10 4f 4e | .......|...d..ON|
|000042f0| 4c 4e 00 64 03 1d 01 08 | 00 99 01 14 01 d4 00 29 |LN.d....|.......)|
|00004300| 44 39 54 68 65 20 31 37 | 30 2f 31 34 30 20 63 61 |D9The 17|0/140 ca|
|00004310| 6e 20 63 61 75 73 65 20 | 69 6e 74 65 72 72 75 70 |n cause |interrup|
|00004320| 74 20 62 6c 61 63 6b 6f | 75 74 73 20 75 70 20 74 |t blacko|uts up t|
|00004330| 6f 20 36 20 6d 73 65 63 | 20 61 73 00 00 06 00 03 |o 6 msec| as.....|
|00004340| 00 00 00 a1 00 64 00 10 | 4f 4e 4c 4e 00 64 03 57 |.....d..|ONLN.d.W|
|00004350| 01 14 00 55 01 20 01 7c | 00 28 01 1d 00 55 37 63 |...U. .||.(...U7c|
|00004360| 6f 6d 70 61 72 65 64 20 | 74 6f 20 61 70 70 72 6f |ompared |to appro|
|00004370| 78 69 6d 61 74 65 6c 79 | 20 35 30 30 2d 37 30 30 |ximately| 500-700|
|00004380| 20 75 73 65 63 20 6f 6e | 20 74 68 65 20 70 6f 72 | usec on| the por|
|00004390| 74 61 62 6c 65 20 00 06 | 00 04 00 00 00 a1 00 64 |table ..|.......d|
|000043a0| 00 10 4f 4e 4c 4e 00 64 | 03 8e 01 14 01 7c 01 20 |..ONLN.d|.....|. |
|000043b0| 01 d4 00 28 01 1d 01 7c | 12 28 65 73 74 69 6d 61 |...(...||.(estima|
|000043c0| 74 69 6f 6e 20 6f 6e 6c | 79 29 2e 00 00 06 00 00 |tion onl|y)......|
|000043d0| 00 00 00 a1 00 64 00 10 | 4f 4e 4c 4e 00 64 03 a1 |.....d..|ONLN.d..|
|000043e0| 01 20 00 55 01 2c 00 d2 | 00 28 01 29 00 55 19 41 |. .U.,..|.(.).U.A|
|000043f0| 73 73 75 6d 69 6e 67 20 | 74 68 65 20 77 6f 72 73 |ssuming |the wors|
|00004400| 74 20 63 61 73 65 2c 20 | 00 06 00 01 00 00 00 a1 |t case, |........|
|00004410| 00 64 00 10 4f 4e 4c 4e | 00 64 03 ba 01 20 00 d2 |.d..ONLN|.d... ..|
|00004420| 01 2c 01 d4 00 29 7d 32 | 64 75 72 69 6e 67 20 74 |.,...)}2|during t|
|00004430| 68 65 20 36 20 6d 73 65 | 63 20 62 6c 61 63 6b 6f |he 6 mse|c blacko|
|00004440| 75 74 20 61 73 20 6d 61 | 6e 79 20 61 73 20 33 30 |ut as ma|ny as 30|
|00004450| 20 4d 49 44 49 20 64 61 | 74 61 00 06 00 00 00 00 | MIDI da|ta......|
|00004460| 00 a1 00 64 00 10 4f 4e | 4c 4e 00 64 03 ed 01 2c |...d..ON|LN.d...,|
|00004470| 00 55 01 38 01 82 00 28 | 01 35 00 55 41 62 79 74 |.U.8...(|.5.UAbyt|
|00004480| 65 73 20 63 6f 75 6c 64 | 20 68 61 76 65 20 62 65 |es could| have be|
|00004490| 65 6e 20 73 65 6e 74 2e | 20 53 69 6e 63 65 20 74 |en sent.| Since t|
|000044a0| 68 65 20 46 49 46 4f 20 | 6f 6e 20 74 68 65 20 73 |he FIFO |on the s|
|000044b0| 65 72 69 61 6c 20 70 6f | 72 74 20 69 73 20 00 06 |erial po|rt is ..|
|000044c0| 00 01 00 00 00 a1 00 64 | 00 10 4f 4e 4c 4e 00 64 |.......d|..ONLN.d|
|000044d0| 04 2e 01 2c 01 82 01 38 | 01 d4 00 28 01 35 01 82 |...,...8|...(.5..|
|000044e0| 11 6f 6e 6c 79 20 33 20 | 64 65 65 70 2c 20 74 68 |.only 3 |deep, th|
|000044f0| 69 73 00 06 00 02 00 00 | 00 a1 00 64 00 10 4f 4e |is......|...d..ON|
|00004500| 4c 4e 00 64 04 40 01 38 | 00 55 01 44 00 78 00 28 |LN.d.@.8|.U.D.x.(|
|00004510| 01 41 00 55 06 6d 65 61 | 6e 73 20 00 00 06 00 03 |.A.U.mea|ns .....|
|00004520| 00 00 00 a1 00 64 00 10 | 4f 4e 4c 4e 00 64 04 46 |.....d..|ONLN.d.F|
|00004530| 01 38 00 78 01 44 01 d4 | 00 29 23 41 74 68 61 74 |.8.x.D..|.)#Athat|
|00004540| 20 61 73 20 6d 61 6e 79 | 20 61 73 20 32 37 20 62 | as many| as 27 b|
|00004550| 79 74 65 73 20 63 6f 75 | 6c 64 20 68 61 76 65 20 |ytes cou|ld have |
|00004560| 62 65 65 6e 20 6c 6f 73 | 74 20 28 72 65 6d 65 6d |been los|t (remem|
|00004570| 62 65 72 20 74 68 65 73 | 65 20 61 72 65 00 00 06 |ber thes|e are...|
|00004580| 00 00 00 00 00 a1 00 64 | 00 10 4f 4e 4c 4e 00 64 |.......d|..ONLN.d|
|00004590| 04 88 01 44 00 55 01 50 | 00 bf 00 28 01 4d 00 55 |...D.U.P|...(.M.U|
|000045a0| 17 62 61 6c 6c 70 61 72 | 6b 20 66 69 67 75 72 65 |.ballpar|k figure|
|000045b0| 73 20 6f 6e 6c 79 29 2e | 00 a1 00 64 00 10 4f 4e |s only).|...d..ON|
|000045c0| 4c 4e 00 64 04 a0 01 5c | 00 48 01 68 00 4c 00 28 |LN.d...\|.H.h.L.(|
|000045d0| 01 65 00 48 01 a5 00 06 | 00 02 00 00 00 a1 00 64 |.e.H....|.......d|
|000045e0| 00 10 4f 4e 4c 4e 00 64 | 04 a2 01 5c 00 55 01 68 |..ONLN.d|...\.U.h|
|000045f0| 00 dd 00 29 0d 1a 54 68 | 65 20 70 72 6f 62 6c 65 |...)..Th|e proble|
|00004600| 6d 20 69 73 20 61 67 67 | 72 61 76 61 74 65 64 20 |m is agg|ravated |
|00004610| 00 06 00 03 00 00 00 a1 | 00 64 00 10 4f 4e 4c 4e |........|.d..ONLN|
|00004620| 00 64 04 bc 01 5c 00 dd | 01 68 01 d4 00 29 88 2d |.d...\..|.h...).-|
|00004630| 62 79 20 69 6e 63 72 65 | 61 73 65 64 20 70 6f 77 |by incre|ased pow|
|00004640| 65 72 20 6d 61 6e 61 67 | 65 72 20 63 6f 6d 6d 75 |er manag|er commu|
|00004650| 6e 69 63 61 74 69 6f 6e | 73 20 66 6f 72 00 00 06 |nication|s for...|
|00004660| 00 00 00 00 00 a1 00 64 | 00 10 4f 4e 4c 4e 00 64 |.......d|..ONLN.d|
|00004670| 04 ea 01 68 00 55 01 74 | 00 ad 00 28 01 71 00 55 |...h.U.t|...(.q.U|
|00004680| 13 62 61 63 6b 6c 69 67 | 68 74 20 63 6f 6e 74 72 |.backlig|ht contr|
|00004690| 6f 6c 73 2e 00 04 01 00 | 00 0d 00 0e 00 a1 00 64 |ols.....|.......d|
|000046a0| 00 10 4f 4e 4c 4e 00 64 | 04 fe 01 8c 00 36 01 9b |..ONLN.d|.....6..|
|000046b0| 00 be 00 28 01 98 00 36 | 14 57 68 61 74 20 74 68 |...(...6|.What th|
|000046c0| 65 20 53 6f 6c 75 74 69 | 6f 6e 20 49 73 00 00 04 |e Soluti|on Is...|
|000046d0| 00 00 00 0d 00 0c 00 a1 | 00 64 00 10 4f 4e 4c 4e |........|.d..ONLN|
|000046e0| 00 64 05 13 01 a7 00 48 | 01 b3 00 4c 00 2b 12 18 |.d.....H|...L.+..|
|000046f0| 01 a5 00 a1 00 64 00 10 | 4f 4e 4c 4e 00 64 05 15 |.....d..|ONLN.d..|
|00004700| 01 a7 00 55 01 b3 01 a8 | 00 29 0d 45 43 68 61 6e |...U....|.).EChan|
|00004710| 67 69 6e 67 20 74 68 65 | 20 70 72 6f 74 6f 63 6f |ging the| protoco|
|00004720| 6c 20 74 6f 20 74 68 65 | 20 70 6f 77 65 72 20 6d |l to the| power m|
|00004730| 61 6e 61 67 65 72 20 6d | 69 63 72 6f 70 72 6f 63 |anager m|icroproc|
|00004740| 65 73 73 6f 72 20 28 67 | 69 76 65 6e 20 74 68 65 |essor (g|iven the|
|00004750| 20 00 00 06 00 01 00 00 | 00 a1 00 64 00 10 4f 4e | .......|...d..ON|
|00004760| 4c 4e 00 64 05 5a 01 a7 | 01 a8 01 b3 01 d4 00 28 |LN.d.Z..|.......(|
|00004770| 01 b0 01 a8 08 68 61 72 | 64 77 61 72 65 00 00 06 |.....har|dware...|
|00004780| 00 00 00 00 00 a1 00 64 | 00 10 4f 4e 4c 4e 00 64 |.......d|..ONLN.d|
|00004790| 05 63 01 b3 00 55 01 bf | 01 2c 00 28 01 bc 00 55 |.c...U..|.,.(...U|
|000047a0| 30 63 6f 6e 73 74 72 61 | 69 6e 74 73 29 20 69 73 |0constra|ints) is|
|000047b0| 20 6e 6f 74 20 70 72 61 | 63 74 69 63 61 6c 20 73 | not pra|ctical s|
|000047c0| 69 6e 63 65 20 74 68 65 | 20 70 72 6f 62 6c 65 6d |ince the| problem|
|000047d0| 20 00 00 06 00 01 00 00 | 00 a1 00 64 00 10 4f 4e | .......|...d..ON|
|000047e0| 4c 4e 00 64 05 93 01 b3 | 01 2c 01 bf 01 d4 00 29 |LN.d....|.,.....)|
|000047f0| d7 22 69 73 20 6e 6f 74 | 20 63 6f 6d 70 6c 65 74 |."is not| complet|
|00004800| 65 6c 79 20 73 6f 6c 76 | 65 64 20 61 6e 64 20 63 |ely solv|ed and c|
|00004810| 6f 75 6c 64 00 06 00 00 | 00 00 00 a1 00 64 00 10 |ould....|.....d..|
|00004820| 4f 4e 4c 4e 00 64 05 b6 | 01 bf 00 55 01 cb 00 e1 |ONLN.d..|...U....|
|00004830| 00 28 01 c8 00 55 1c 63 | 61 75 73 65 20 6f 74 68 |.(...U.c|ause oth|
|00004840| 65 72 20 73 79 73 74 65 | 6d 20 70 72 6f 62 6c 65 |er syste|m proble|
|00004850| 6d 73 2e 00 00 a1 00 64 | 00 10 4f 4e 4c 4e 00 64 |ms.....d|..ONLN.d|
|00004860| 05 d3 01 d7 00 48 01 e3 | 00 4c 00 28 01 e0 00 48 |.....H..|.L.(...H|
|00004870| 01 a5 00 a1 00 64 00 10 | 4f 4e 4c 4e 00 64 05 d5 |.....d..|ONLN.d..|
|00004880| 01 d7 00 55 01 e3 01 47 | 00 29 0d 32 41 74 20 74 |...U...G|.).2At t|
|00004890| 68 65 20 6d 6f 6d 65 6e | 74 2c 20 6e 6f 20 41 70 |he momen|t, no Ap|
|000048a0| 70 6c 65 2d 6f 6e 6c 79 | 20 73 6f 6c 75 74 69 6f |ple-only| solutio|
|000048b0| 6e 20 69 73 20 70 6f 73 | 73 69 62 6c 65 2e 00 a1 |n is pos|sible...|
|000048c0| 00 64 00 10 4f 4e 4c 4e | 00 64 06 08 01 ef 00 48 |.d..ONLN|.d.....H|
|000048d0| 01 fb 00 4c 00 28 01 f8 | 00 48 01 a5 00 a1 00 64 |...L.(..|.H.....d|
|000048e0| 00 10 4f 4e 4c 4e 00 64 | 06 0a 01 ef 00 55 01 fb |..ONLN.d|.....U..|
|000048f0| 01 0c 00 29 0d 27 41 20 | 64 65 76 65 6c 6f 70 65 |...).'A |develope|
|00004900| 72 2d 6f 6e 6c 79 20 73 | 6f 6c 75 74 69 6f 6e 20 |r-only s|olution |
|00004910| 69 73 20 70 6f 73 73 69 | 62 6c 65 2e 20 00 00 06 |is possi|ble. ...|
|00004920| 00 01 00 00 00 a1 00 64 | 00 10 4f 4e 4c 4e 00 64 |.......d|..ONLN.d|
|00004930| 06 31 01 ef 01 0c 01 fb | 01 d4 00 29 b7 29 43 75 |.1......|...).)Cu|
|00004940| 72 72 65 6e 74 6c 79 20 | 61 6e 20 69 6e 74 65 72 |rrently |an inter|
|00004950| 6e 61 6c 20 6d 65 63 68 | 61 6e 69 73 6d 20 65 78 |nal mech|anism ex|
|00004960| 69 73 74 73 20 74 6f 00 | 00 06 00 03 00 00 00 a1 |ists to.|........|
|00004970| 00 64 00 10 4f 4e 4c 4e | 00 64 06 5b 01 fb 00 55 |.d..ONLN|.d.[...U|
|00004980| 02 07 01 00 00 28 02 04 | 00 55 20 6b 65 65 70 20 |.....(..|.U keep |
|00004990| 75 70 20 77 69 74 68 20 | 68 69 67 68 20 64 61 74 |up with |high dat|
|000049a0| 61 20 72 61 74 65 73 20 | 6f 6e 20 00 00 06 00 04 |a rates |on .....|
|000049b0| 00 00 00 a1 00 64 00 10 | 4f 4e 4c 4e 00 64 06 7b |.....d..|ONLN.d.{|
|000049c0| 01 fb 01 00 02 07 01 d4 | 00 29 ab 26 74 68 65 20 |........|.).&the |
|000049d0| 6d 6f 64 65 6d 20 70 6f | 72 74 2e 20 54 68 69 73 |modem po|rt. This|
|000049e0| 20 6d 65 63 68 61 6e 69 | 73 6d 2c 20 63 61 6c 6c | mechani|sm, call|
|000049f0| 65 64 00 06 00 00 00 00 | 00 a1 00 64 00 10 4f 4e |ed......|...d..ON|
|00004a00| 4c 4e 00 64 06 a2 02 07 | 00 55 02 13 00 fa 00 28 |LN.d....|.U.....(|
|00004a10| 02 10 00 55 23 50 6f 6c | 6c 50 72 6f 63 20 28 50 |...U#Pol|lProc (P|
|00004a20| 6f 6c 6c 69 6e 67 20 50 | 72 6f 63 65 64 75 72 65 |olling P|rocedure|
|00004a30| 29 2c 20 77 69 6c 6c 20 | 00 06 00 01 00 00 00 a1 |), will |........|
|00004a40| 00 64 00 10 4f 4e 4c 4e | 00 64 06 c5 02 07 00 fa |.d..ONLN|.d......|
|00004a50| 02 13 01 d4 00 29 a5 2c | 61 6c 6c 6f 77 20 74 68 |.....).,|allow th|
|00004a60| 65 20 52 4f 4d 20 63 6f | 64 65 20 74 6f 20 68 61 |e ROM co|de to ha|
|00004a70| 6e 64 6c 65 20 74 68 65 | 20 73 65 72 69 61 6c 20 |ndle the| serial |
|00004a80| 70 6f 72 74 00 a1 00 64 | 00 10 4f 4e 4c 4e 00 64 |port...d|..ONLN.d|
|00004a90| 06 f2 02 13 00 55 02 1f | 01 8e 00 28 02 1c 00 55 |.....U..|...(...U|
|00004aa0| 3d 64 75 72 69 6e 67 20 | 6b 6e 6f 77 6e 20 69 6e |=during |known in|
|00004ab0| 74 65 72 72 75 70 74 20 | 62 6c 61 63 6b 6f 75 74 |terrupt |blackout|
|00004ac0| 20 77 69 6e 64 6f 77 73 | 2c 20 77 68 69 63 68 20 | windows|, which |
|00004ad0| 68 65 6c 70 73 20 70 72 | 65 76 65 6e 74 20 00 06 |helps pr|event ..|
|00004ae0| 00 02 00 00 00 a1 00 64 | 00 10 4f 4e 4c 4e 00 64 |.......d|..ONLN.d|
|00004af0| 07 2f 02 13 01 8e 02 1f | 01 d4 00 28 02 1c 01 8e |./......|...(....|
|00004b00| 0e 64 61 74 61 20 6c 6f | 73 73 2e 20 54 68 65 00 |.data lo|ss. The.|
|00004b10| 00 06 00 00 00 00 00 a1 | 00 64 00 10 4f 4e 4c 4e |........|.d..ONLN|
|00004b20| 00 64 07 3e 02 1f 00 55 | 02 2b 01 45 00 28 02 28 |.d.>...U|.+.E.(.(|
|00004b30| 00 55 2f 70 6f 77 65 72 | 20 6d 61 6e 61 67 65 72 |.U/power| manager|
|00004b40| 20 63 6f 6d 6d 75 6e 69 | 63 61 74 69 6f 6e 20 73 | communi|cation s|
|00004b50| 6f 66 74 77 61 72 65 20 | 63 75 72 72 65 6e 74 6c |oftware |currentl|
|00004b60| 79 20 00 06 00 01 00 00 | 00 a1 00 64 00 10 4f 4e |y ......|...d..ON|
|00004b70| 4c 4e 00 64 07 6d 02 1f | 01 45 02 2b 01 d4 00 29 |LN.d.m..|.E.+...)|
|00004b80| f0 1d 63 68 65 63 6b 73 | 20 66 6f 72 20 73 75 63 |..checks| for suc|
|00004b90| 68 20 61 20 72 6f 75 74 | 69 6e 65 20 61 6e 64 00 |h a rout|ine and.|
|00004ba0| 00 a1 00 64 00 10 4f 4e | 4c 4e 00 64 07 8b 02 2b |...d..ON|LN.d...+|
|00004bb0| 00 55 02 37 00 ec 00 28 | 02 34 00 55 23 77 69 6c |.U.7...(|.4.U#wil|
|00004bc0| 6c 20 75 73 65 20 69 74 | 20 61 75 74 6f 6d 61 74 |l use it| automat|
|00004bd0| 69 63 61 6c 6c 79 20 69 | 66 20 69 74 20 69 73 20 |ically i|f it is |
|00004be0| 00 06 00 02 00 00 00 a1 | 00 64 00 10 4f 4e 4c 4e |........|.d..ONLN|
|00004bf0| 00 64 07 ae 02 2b 00 ec | 02 37 01 d4 00 29 97 30 |.d...+..|.7...).0|
|00004c00| 70 72 65 73 65 6e 74 2e | 20 49 6e 20 61 64 64 69 |present.| In addi|
|00004c10| 74 69 6f 6e 20 74 6f 20 | 63 6f 72 72 65 63 74 69 |tion to |correcti|
|00004c20| 6e 67 20 74 68 69 73 20 | 70 72 6f 62 6c 65 6d 2c |ng this |problem,|
|00004c30| 00 06 00 01 00 00 00 a1 | 00 64 00 10 4f 4e 4c 4e |........|.d..ONLN|
|00004c40| 00 64 07 df 02 37 00 55 | 02 43 01 0a 00 28 02 40 |.d...7.U|.C...(.@|
|00004c50| 00 55 25 74 68 69 73 20 | 77 69 6c 6c 20 61 6c 73 |.U%this |will als|
|00004c60| 6f 20 61 6c 6c 6f 77 20 | 4d 49 44 49 20 74 6f 20 |o allow |MIDI to |
|00004c70| 70 65 72 66 6f 72 6d 20 | 00 06 00 02 00 00 00 a1 |perform |........|
|00004c80| 00 64 00 10 4f 4e 4c 4e | 00 64 08 04 02 37 01 0a |.d..ONLN|.d...7..|
|00004c90| 02 43 01 d4 00 29 b5 29 | 64 75 72 69 6e 67 20 66 |.C...).)|during f|
|00004ca0| 6c 6f 70 70 79 20 61 63 | 74 69 76 69 74 79 20 28 |loppy ac|tivity (|
|00004cb0| 77 68 69 63 68 20 68 61 | 73 20 73 69 6d 69 6c 61 |which ha|s simila|
|00004cc0| 72 00 00 06 00 00 00 00 | 00 a1 00 64 00 10 4f 4e |r.......|...d..ON|
|00004cd0| 4c 4e 00 64 08 2e 02 43 | 00 55 02 4f 01 98 00 28 |LN.d...C|.U.O...(|
|00004ce0| 02 4c 00 55 45 72 65 61 | 6c 2d 74 69 6d 65 20 70 |.L.UErea|l-time p|
|00004cf0| 72 6f 62 6c 65 6d 73 29 | 20 73 69 6e 63 65 20 74 |roblems)| since t|
|00004d00| 68 65 20 66 6c 6f 70 70 | 79 20 64 72 69 76 65 72 |he flopp|y driver|
|00004d10| 20 61 6c 73 6f 20 63 68 | 65 63 6b 73 20 66 6f 72 | also ch|ecks for|
|00004d20| 20 50 6f 6c 6c 50 72 6f | 63 2e 00 a1 00 64 00 10 | PollPro|c....d..|
|00004d30| 4f 4e 4c 4e 00 64 08 74 | 02 5b 00 36 02 67 00 f3 |ONLN.d.t|.[.6.g..|
|00004d40| 00 28 02 64 00 36 29 49 | 6e 20 74 68 65 20 63 6f |.(.d.6)I|n the co|
|00004d50| 64 65 20 77 68 69 63 68 | 20 69 73 20 69 6e 63 6c |de which| is incl|
|00004d60| 75 64 65 64 20 61 74 20 | 74 68 65 20 65 6e 64 20 |uded at |the end |
|00004d70| 00 06 00 01 00 00 00 a1 | 00 64 00 10 4f 4e 4c 4e |........|.d..ONLN|
|00004d80| 00 64 08 9d 02 5b 00 f3 | 02 67 01 f8 00 29 bd 36 |.d...[..|.g...).6|
|00004d90| 6f 66 20 74 68 69 73 20 | 54 65 63 68 20 4e 6f 74 |of this |Tech Not|
|00004da0| 65 2c 20 74 68 65 72 65 | 20 69 73 20 61 20 65 78 |e, there| is a ex|
|00004db0| 74 72 61 20 50 72 6f 63 | 65 64 75 72 65 20 77 68 |tra Proc|edure wh|
|00004dc0| 69 63 68 20 69 73 00 a1 | 00 64 00 10 4f 4e 4c 4e |ich is..|.d..ONLN|
|00004dd0| 00 64 08 d4 02 67 00 36 | 02 73 00 91 00 28 02 70 |.d...g.6|.s...(.p|
|00004de0| 00 36 13 63 61 6c 6c 20 | 50 72 6f 63 65 73 73 42 |.6.call |ProcessB|
|00004df0| 79 74 65 2e 20 20 00 06 | 00 02 00 00 00 a1 00 64 |yte.  ..|.......d|
|00004e00| 00 10 4f 4e 4c 4e 00 64 | 08 e7 02 67 00 91 02 73 |..ONLN.d|...g...s|
|00004e10| 01 f8 00 29 5b 47 49 6e | 20 74 68 65 20 73 61 6d |...)[GIn| the sam|
|00004e20| 70 6c 65 20 74 68 69 73 | 20 72 6f 75 74 69 6e 65 |ple this| routine|
|00004e30| 20 64 6f 65 73 20 6e 6f | 74 68 69 6e 67 2e 20 20 | does no|thing.  |
|00004e40| 54 68 65 20 72 65 61 73 | 6f 6e 20 66 6f 72 20 74 |The reas|on for t|
|00004e50| 68 65 20 73 61 6d 70 6c | 65 20 6e 6f 74 00 00 a1 |he sampl|e not...|
|00004e60| 00 64 00 10 4f 4e 4c 4e | 00 64 09 2f 02 73 00 36 |.d..ONLN|.d./.s.6|
|00004e70| 02 7f 00 b5 00 28 02 7c | 00 36 19 64 6f 69 6e 67 |.....(.||.6.doing|
|00004e80| 20 61 6e 79 74 68 69 6e | 67 20 69 73 20 64 75 65 | anythin|g is due|
|00004e90| 20 74 6f 20 00 06 00 03 | 00 00 00 a1 00 64 00 10 | to ....|.....d..|
|00004ea0| 4f 4e 4c 4e 00 64 09 48 | 02 73 00 b5 02 7f 01 f8 |ONLN.d.H|.s......|
|00004eb0| 00 29 7f 3f 74 68 65 20 | 6e 61 74 75 72 65 20 6f |.).?the |nature o|
|00004ec0| 66 20 74 68 65 20 72 6f | 75 74 69 6e 65 2e 20 20 |f the ro|utine.  |
|00004ed0| 57 68 61 74 20 74 68 65 | 20 72 6f 75 74 69 6e 65 |What the| routine|
|00004ee0| 20 64 6f 65 73 20 69 73 | 20 63 6f 6d 70 6c 65 74 | does is| complet|
|00004ef0| 65 6c 79 00 00 06 00 00 | 00 00 00 a1 00 64 00 10 |ely.....|.....d..|
|00004f00| 4f 4e 4c 4e 00 64 09 88 | 02 7f 00 36 02 8b 00 a3 |ONLN.d..|...6....|
|00004f10| 00 28 02 88 00 36 16 64 | 65 70 65 6e 64 65 6e 74 |.(...6.d|ependent|
|00004f20| 20 6f 6e 20 77 68 61 74 | 20 74 68 65 20 00 00 06 | on what| the ...|
|00004f30| 00 01 00 00 00 a1 00 64 | 00 10 4f 4e 4c 4e 00 64 |.......d|..ONLN.d|
|00004f40| 09 9e 02 7f 00 a3 02 8b | 01 f8 00 29 6d 4a 73 65 |........|...)mJse|
|00004f50| 72 69 61 6c 20 64 72 69 | 76 65 72 20 69 73 20 64 |rial dri|ver is d|
|00004f60| 6f 69 6e 67 20 6f 72 20 | 77 61 6e 74 73 20 74 6f |oing or |wants to|
|00004f70| 20 64 6f 20 77 69 74 68 | 20 74 68 65 20 64 61 74 | do with| the dat|
|00004f80| 61 20 61 73 20 69 74 20 | 69 73 20 72 65 61 64 20 |a as it |is read |
|00004f90| 69 6e 74 6f 20 74 68 65 | 00 06 00 00 00 00 00 a1 |into the|........|
|00004fa0| 00 64 00 10 4f 4e 4c 4e | 00 64 09 e9 02 8b 00 36 |.d..ONLN|.d.....6|
|00004fb0| 02 97 01 2f 00 28 02 94 | 00 36 33 6d 61 63 68 69 |.../.(..|.63machi|
|00004fc0| 6e 65 2e 20 20 54 68 69 | 73 20 72 6f 75 74 69 6e |ne.  Thi|s routin|
|00004fd0| 65 20 6d 69 67 68 74 20 | 62 65 20 75 73 65 64 20 |e might |be used |
|00004fe0| 74 6f 20 64 65 63 6f 6d | 70 72 65 73 73 20 00 06 |to decom|press ..|
|00004ff0| 00 01 00 00 00 a1 00 64 | 00 10 4f 4e 4c 4e 00 64 |.......d|..ONLN.d|
|00005000| 0a 1c 02 8b 01 2f 02 97 | 01 f8 00 29 f9 29 64 61 |...../..|...).)da|
|00005010| 74 61 2c 20 63 6f 6d 70 | 72 65 73 73 20 64 61 74 |ta, comp|ress dat|
|00005020| 61 2c 20 64 65 63 6f 64 | 65 64 20 74 68 65 20 64 |a, decod|ed the d|
|00005030| 61 74 61 2c 20 6f 72 00 | 00 06 00 00 00 00 00 a1 |ata, or.|........|
|00005040| 00 64 00 10 4f 4e 4c 4e | 00 64 0a 46 02 97 00 36 |.d..ONLN|.d.F...6|
|00005050| 02 a3 01 c2 00 28 02 a0 | 00 36 54 64 6f 20 61 6e |.....(..|.6Tdo an|
|00005060| 79 20 6f 74 68 65 72 20 | 6b 69 6e 64 20 6f 66 20 |y other |kind of |
|00005070| 61 6c 74 65 72 61 74 69 | 6f 6e 20 79 6f 75 20 77 |alterati|on you w|
|00005080| 69 73 68 20 74 6f 20 64 | 6f 20 74 6f 20 69 74 2e |ish to d|o to it.|
|00005090| 20 20 54 68 65 20 4d 61 | 63 69 6e 74 6f 73 68 20 |  The Ma|cintosh |
|000050a0| 4f 53 20 64 6f 65 73 20 | 6e 6f 74 20 64 6f 20 00 |OS does |not do .|
|000050b0| 00 06 00 01 00 00 00 a1 | 00 64 00 10 4f 4e 4c 4e |........|.d..ONLN|
|000050c0| 00 64 0a 9a 02 97 01 c2 | 02 a3 01 f8 00 28 02 a0 |.d......|.....(..|
|000050d0| 01 c2 0b 61 6e 79 74 68 | 69 6e 67 20 74 6f 00 06 |...anyth|ing to..|
|000050e0| 00 00 00 00 00 a1 00 64 | 00 10 4f 4e 4c 4e 00 64 |.......d|..ONLN.d|
|000050f0| 0a a6 02 a3 00 36 02 af | 01 17 00 28 02 ac 00 36 |.....6..|...(...6|
|00005100| 32 74 68 65 20 64 61 74 | 61 2c 20 73 6f 20 74 68 |2the dat|a, so th|
|00005110| 69 73 20 72 6f 75 74 69 | 6e 65 20 69 73 20 6e 6f |is routi|ne is no|
|00005120| 74 20 6e 65 65 64 65 64 | 2c 20 62 75 74 20 79 6f |t needed|, but yo|
|00005130| 75 72 20 00 00 06 00 01 | 00 00 00 a1 00 64 00 10 |ur .....|.....d..|
|00005140| 4f 4e 4c 4e 00 64 0a d8 | 02 a3 01 17 02 af 01 f8 |ONLN.d..|........|
|00005150| 00 29 e1 31 61 70 70 6c | 69 63 61 74 69 6f 6e 20 |.).1appl|ication |
|00005160| 6d 69 67 68 74 20 6e 65 | 65 64 20 74 68 69 73 20 |might ne|ed this |
|00005170| 72 6f 75 74 69 6e 65 20 | 2d 20 69 74 20 69 73 20 |routine |- it is |
|00005180| 75 70 20 74 6f 00 00 20 | 02 c0 00 34 02 c0 01 f9 |up to.. |...4....|
|00005190| 00 0d 00 0a 00 06 00 00 | 00 00 00 28 02 d5 00 36 |........|...(...6|
|000051a0| 01 32 00 29 05 05 20 6f | 66 20 34 00 00 28 02 d5 |.2.).. o|f 4..(..|
|000051b0| 01 97 17 44 56 20 32 31 | 20 2d 20 53 65 72 69 61 |...DV 21| - Seria|
|000051c0| 6c 20 50 6f 6c 6c 50 72 | 6f 63 00 2b 42 16 07 44 |l PollPr|oc.+B..D|
|000051d0| 65 76 69 63 65 73 00 ff | 13 6e 00 00 00 00 03 48 |evices..|.n.....H|
|000051e0| 02 52 00 11 02 ff 0c 00 | ff ff ff ff 00 00 00 00 |.R......|........|
|000051f0| 00 00 00 00 02 52 00 00 | 03 48 00 00 00 00 00 00 |.....R..|.H......|
|00005200| 00 1e 00 01 00 0a 00 00 | 00 00 03 48 02 52 00 2c |........|...H.R.,|
|00005210| 00 08 00 14 05 54 69 6d | 65 73 00 03 00 14 00 0d |.....Tim|es......|
|00005220| 00 0a 00 2e 00 04 00 00 | 00 00 00 2b 5a 2d 18 44 |........|...+Z-.D|
|00005230| 65 76 65 6c 6f 70 65 72 | 20 53 75 70 70 6f 72 74 |eveloper| Support|
|00005240| 20 43 65 6e 74 65 72 00 | 00 28 00 2d 01 f3 09 4a | Center.|.(.-...J|
|00005250| 75 6e 65 20 31 39 39 32 | 00 20 00 2f 00 58 00 2f |une 1992|. ./.X./|
|00005260| 02 1d 00 0d 00 0c 00 a1 | 00 64 00 10 4f 4e 4c 4e |........|.d..ONLN|
|00005270| 00 64 00 00 00 3c 00 5a | 00 48 01 af 00 28 00 45 |.d...<.Z|.H...(.E|
|00005280| 00 5a 4b 79 6f 75 2c 20 | 6a 75 73 74 20 64 6f 6e |.ZKyou, |just don|
|00005290| 27 74 20 64 6f 20 74 6f | 20 6d 75 63 68 20 61 74 |'t do to| much at|
|000052a0| 20 74 68 69 73 20 74 69 | 6d 65 2e 20 20 49 74 20 | this ti|me.  It |
|000052b0| 69 73 20 69 6d 70 6f 72 | 74 61 6e 74 20 74 6f 20 |is impor|tant to |
|000052c0| 72 65 6d 65 6d 62 65 72 | 20 74 68 61 74 20 00 06 |remember| that ..|
|000052d0| 00 01 00 00 00 a1 00 64 | 00 10 4f 4e 4c 4e 00 64 |.......d|..ONLN.d|
|000052e0| 00 4b 00 3c 01 af 00 48 | 02 1c 00 28 00 45 01 af |.K.<...H|...(.E..|
|000052f0| 16 79 6f 75 20 6e 65 65 | 64 20 74 6f 20 67 65 74 |.you nee|d to get|
|00005300| 20 69 6e 20 61 6e 64 00 | 00 06 00 00 00 00 00 a1 | in and.|........|
|00005310| 00 64 00 10 4f 4e 4c 4e | 00 64 00 62 00 48 00 5a |.d..ONLN|.d.b.H.Z|
|00005320| 00 54 01 0f 00 28 00 51 | 00 5a 28 6f 75 74 20 6f |.T...(.Q|.Z(out o|
|00005330| 66 20 74 68 65 20 50 6f | 6c 6c 50 72 6f 63 20 61 |f the Po|llProc a|
|00005340| 73 20 66 61 73 74 20 61 | 73 20 70 6f 73 73 69 62 |s fast a|s possib|
|00005350| 6c 65 2e 00 00 04 01 00 | 00 0d 00 0e 00 a1 00 64 |le......|.......d|
|00005360| 00 10 4f 4e 4c 4e 00 64 | 00 8b 00 6c 00 5a 00 7b |..ONLN.d|...l.Z.{|
|00005370| 01 7c 00 2a 27 28 57 68 | 61 74 20 49 73 20 61 20 |.|.*'(Wh|at Is a |
|00005380| 50 6f 6c 6c 50 72 6f 63 | 20 61 6e 64 20 48 6f 77 |PollProc| and How|
|00005390| 20 44 6f 65 73 20 49 74 | 20 57 6f 72 6b 3f 00 04 | Does It| Work?..|
|000053a0| 00 00 00 0d 00 0c 00 a1 | 00 64 00 10 4f 4e 4c 4e |........|.d..ONLN|
|000053b0| 00 64 00 b4 00 87 00 5a | 00 93 01 6f 00 2a 18 3e |.d.....Z|...o.*.>|
|000053c0| 41 20 50 6f 6c 6c 50 72 | 6f 63 20 69 73 20 61 20 |A PollPr|oc is a |
|000053d0| 72 6f 75 74 69 6e 65 20 | 74 68 61 74 20 61 20 73 |routine |that a s|
|000053e0| 65 72 69 61 6c 20 64 72 | 69 76 65 72 20 69 6d 70 |erial dr|iver imp|
|000053f0| 6c 65 6d 65 6e 74 73 20 | 73 6f 20 69 74 20 00 06 |lements |so it ..|
|00005400| 00 01 00 00 00 a1 00 64 | 00 10 4f 4e 4c 4e 00 64 |.......d|..ONLN.d|
|00005410| 00 f2 00 87 01 6f 00 93 | 02 1c 00 28 00 90 01 6f |.....o..|...(...o|
|00005420| 24 63 61 6e 20 73 74 69 | 6c 6c 20 67 65 74 20 64 |$can sti|ll get d|
|00005430| 61 74 61 20 77 68 65 6e | 20 74 68 65 20 4f 53 20 |ata when| the OS |
|00005440| 74 75 72 6e 73 00 00 06 | 00 03 00 00 00 a1 00 64 |turns...|.......d|
|00005450| 00 10 4f 4e 4c 4e 00 64 | 01 17 00 93 00 5a 00 9f |..ONLN.d|.....Z..|
|00005460| 02 0e 00 28 00 9c 00 5a | 53 69 6e 74 65 72 72 75 |...(...Z|Sinterru|
|00005470| 70 74 73 20 6f 66 66 20 | 66 6f 72 20 61 20 73 69 |pts off |for a si|
|00005480| 67 6e 69 66 69 63 61 6e | 74 20 61 6d 6f 75 6e 74 |gnifican|t amount|
|00005490| 20 6f 66 20 74 69 6d 65 | 2e 20 41 6c 74 68 6f 75 | of time|. Althou|
|000054a0| 67 68 20 50 6f 6c 6c 50 | 72 6f 63 20 6d 65 63 68 |gh PollP|roc mech|
|000054b0| 61 6e 69 73 6d 73 20 77 | 6f 72 6b 20 00 06 00 04 |anisms w|ork ....|
|000054c0| 00 00 00 a1 00 64 00 10 | 4f 4e 4c 4e 00 64 01 6a |.....d..|ONLN.d.j|
|000054d0| 00 93 02 0e 00 9f 02 1c | 00 28 00 9c 02 0e 03 66 |........|.(.....f|
|000054e0| 6f 72 00 06 00 00 00 00 | 00 a1 00 64 00 10 4f 4e |or......|...d..ON|
|000054f0| 4c 4e 00 64 01 6e 00 9f | 00 5a 00 ab 01 45 00 28 |LN.d.n..|.Z...E.(|
|00005500| 00 a8 00 5a 33 67 65 6e | 65 72 69 63 20 73 65 72 |...Z3gen|eric ser|
|00005510| 69 61 6c 20 64 72 69 76 | 65 72 73 2c 20 69 74 20 |ial driv|ers, it |
|00005520| 69 73 20 72 65 63 6f 6d | 6d 65 6e 64 65 64 20 74 |is recom|mended t|
|00005530| 68 61 74 20 79 6f 75 20 | 00 06 00 01 00 00 00 a1 |hat you |........|
|00005540| 00 64 00 10 4f 4e 4c 4e | 00 64 01 a1 00 9f 01 45 |.d..ONLN|.d.....E|
|00005550| 00 ab 02 1c 00 29 eb 2c | 75 73 65 20 74 68 69 73 |.....).,|use this|
|00005560| 20 66 65 61 74 75 72 65 | 20 69 6e 20 79 6f 75 72 | feature| in your|
|00005570| 20 4d 49 44 49 20 64 72 | 69 76 65 72 20 6f 6e 6c | MIDI dr|iver onl|
|00005580| 79 20 6f 6e 00 06 00 00 | 00 00 00 a1 00 64 00 10 |y on....|.....d..|
|00005590| 4f 4e 4c 4e 00 64 01 ce | 00 ab 00 5a 00 b7 01 b1 |ONLN.d..|...Z....|
|000055a0| 00 28 00 b4 00 5a 43 74 | 68 65 20 50 6f 77 65 72 |.(...ZCt|he Power|
|000055b0| 42 6f 6f 6b 20 31 37 30 | 2f 31 34 30 2e 20 57 68 |Book 170|/140. Wh|
|000055c0| 65 6e 20 74 68 65 20 4d | 49 44 49 20 64 72 69 76 |en the M|IDI driv|
|000055d0| 65 72 20 69 73 20 6f 70 | 65 6e 65 64 20 61 6e 64 |er is op|ened and|
|000055e0| 20 73 75 70 70 6f 72 74 | 73 20 00 06 00 01 00 00 | support|s ......|
|000055f0| 00 a1 00 64 00 10 4f 4e | 4c 4e 00 64 02 11 00 ab |...d..ON|LN.d....|
|00005600| 01 b1 00 b7 02 1c 00 28 | 00 b4 01 b1 14 50 6f 6c |.......(|.....Pol|
|00005610| 6c 50 72 6f 63 20 6d 65 | 63 68 61 6e 69 73 6d 73 |lProc me|chanisms|
|00005620| 2c 00 00 a1 00 64 00 10 | 4f 4e 4c 4e 00 64 02 26 |,....d..|ONLN.d.&|
|00005630| 00 b7 00 5a 00 c3 02 0d | 00 28 00 c0 00 5a 58 69 |...Z....|.(...ZXi|
|00005640| 74 20 6e 65 65 64 73 20 | 74 6f 20 70 6c 61 63 65 |t needs |to place|
|00005650| 20 61 20 70 6f 69 6e 74 | 65 72 20 74 6f 20 74 68 | a point|er to th|
|00005660| 69 73 20 72 6f 75 74 69 | 6e 65 20 69 6e 20 74 68 |is routi|ne in th|
|00005670| 65 20 6c 6f 77 2d 6d 65 | 6d 6f 72 79 20 67 6c 6f |e low-me|mory glo|
|00005680| 62 61 6c d1 50 6f 6c 6c | 50 72 6f 63 2e 20 57 68 |bal.Poll|Proc. Wh|
|00005690| 65 6e 20 74 68 65 20 00 | 00 06 00 02 00 00 00 a1 |en the .|........|
|000056a0| 00 64 00 10 4f 4e 4c 4e | 00 64 02 7e 00 b7 02 0d |.d..ONLN|.d.~....|
|000056b0| 00 c3 02 1c 00 28 00 c0 | 02 0d 02 4f 53 00 00 06 |.....(..|...OS...|
|000056c0| 00 00 00 00 00 a1 00 64 | 00 10 4f 4e 4c 4e 00 64 |.......d|..ONLN.d|
|000056d0| 02 81 00 c3 00 5a 00 cf | 01 a5 00 28 00 cc 00 5a |.....Z..|...(...Z|
|000056e0| 47 28 73 75 63 68 20 61 | 73 20 74 68 65 20 50 6f |G(such a|s the Po|
|000056f0| 77 65 72 20 4d 61 6e 61 | 67 65 72 20 61 6e 64 20 |wer Mana|ger and |
|00005700| 66 6c 6f 70 70 79 20 64 | 72 69 76 65 72 29 20 74 |floppy d|river) t|
|00005710| 75 72 6e 73 20 6f 66 66 | 20 69 6e 74 65 72 72 75 |urns off| interru|
|00005720| 70 74 73 2c 20 69 74 20 | 00 06 00 01 00 00 00 a1 |pts, it |........|
|00005730| 00 64 00 10 4f 4e 4c 4e | 00 64 02 c8 00 c3 01 a5 |.d..ONLN|.d......|
|00005740| 00 cf 02 18 00 28 00 cc | 01 a5 18 63 68 65 63 6b |.....(..|...check|
|00005750| 73 20 74 6f 20 73 65 65 | 20 69 66 20 74 68 65 20 |s to see| if the |
|00005760| 6c 6f 77 00 00 06 00 00 | 00 00 00 a1 00 64 00 10 |low.....|.....d..|
|00005770| 4f 4e 4c 4e 00 64 02 e0 | 00 c3 02 18 00 cf 02 1c |ONLN.d..|........|
|00005780| 00 29 73 01 2d 00 00 06 | 00 02 00 00 00 a1 00 64 |.)s.-...|.......d|
|00005790| 00 10 4f 4e 4c 4e 00 64 | 02 e1 00 cf 00 5a 00 db |..ONLN.d|.....Z..|
|000057a0| 01 f1 00 28 00 d8 00 5a | 54 6d 65 6d 6f 72 79 20 |...(...Z|Tmemory |
|000057b0| 67 6c 6f 62 61 6c 20 69 | 73 20 6e 69 6c 20 6f 72 |global i|s nil or|
|000057c0| 20 6e 6f 74 2e 20 49 66 | 20 74 68 65 20 67 6c 6f | not. If| the glo|
|000057d0| 62 61 6c 20 69 73 20 6e | 6f 74 20 6e 69 6c 2c 20 |bal is n|ot nil, |
|000057e0| 74 68 65 6e 20 69 74 20 | 74 68 65 20 4f 53 20 77 |then it |the OS w|
|000057f0| 69 6c 6c 20 70 6f 6c 6c | 20 74 68 65 20 00 00 06 |ill poll| the ...|
|00005800| 00 03 00 00 00 a1 00 64 | 00 10 4f 4e 4c 4e 00 64 |.......d|..ONLN.d|
|00005810| 03 35 00 cf 01 f1 00 db | 02 1c 00 28 00 d8 01 f1 |.5......|...(....|
|00005820| 07 53 43 43 20 66 6f 72 | 00 06 00 00 00 00 00 a1 |.SCC for|........|
|00005830| 00 64 00 10 4f 4e 4c 4e | 00 64 03 3d 00 db 00 5a |.d..ONLN|.d.=...Z|
|00005840| 00 e7 01 a7 00 28 00 e4 | 00 5a 48 69 6e 63 6f 6d |.....(..|.ZHincom|
|00005850| 69 6e 67 20 64 61 74 61 | 20 61 6e 64 20 73 74 75 |ing data| and stu|
|00005860| 66 66 20 74 68 65 20 64 | 61 74 61 20 69 6e 74 6f |ff the d|ata into|
|00005870| 20 61 20 62 75 66 66 65 | 72 2e 20 54 68 65 6e 20 | a buffe|r. Then |
|00005880| 6a 75 73 74 20 62 65 66 | 6f 72 65 20 74 68 65 20 |just bef|ore the |
|00005890| 4f 53 20 00 00 06 00 01 | 00 00 00 a1 00 64 00 10 |OS .....|.....d..|
|000058a0| 4f 4e 4c 4e 00 64 03 85 | 00 db 01 a7 00 e7 02 1c |ONLN.d..|........|
|000058b0| 00 28 00 e4 01 a7 19 74 | 75 72 6e 73 20 74 68 65 |.(.....t|urns the|
|000058c0| 20 69 6e 74 65 72 72 75 | 70 74 73 20 62 61 63 6b | interru|pts back|
|000058d0| 00 06 00 00 00 00 00 a1 | 00 64 00 10 4f 4e 4c 4e |........|.d..ONLN|
|000058e0| 00 64 03 9f 00 e7 00 5a | 00 f3 01 a1 00 28 00 f0 |.d.....Z|.....(..|
|000058f0| 00 5a 49 6f 6e 2c 20 69 | 74 20 63 61 6c 6c 73 20 |.ZIon, i|t calls |
|00005900| 74 68 65 20 50 6f 6c 6c | 50 72 6f 63 20 61 6e 64 |the Poll|Proc and|
|00005910| 20 70 61 73 73 65 73 20 | 74 68 65 20 62 75 66 66 | passes |the buff|
|00005920| 65 72 20 74 6f 20 69 74 | 2e 20 54 68 65 20 50 6f |er to it|. The Po|
|00005930| 6c 6c 50 72 6f 63 20 77 | 69 6c 6c 20 00 06 00 01 |llProc w|ill ....|
|00005940| 00 00 00 a1 00 64 00 10 | 4f 4e 4c 4e 00 64 03 e8 |.....d..|ONLN.d..|
|00005950| 00 e7 01 a1 00 f3 02 1c | 00 28 00 f0 01 a1 1a 62 |........|.(.....b|
|00005960| 65 20 61 62 6c 65 20 74 | 6f 20 68 61 6e 64 6c 65 |e able t|o handle|
|00005970| 20 74 68 65 20 64 61 74 | 61 00 00 06 00 00 00 00 | the dat|a.......|
|00005980| 00 a1 00 64 00 10 4f 4e | 4c 4e 00 64 04 03 00 f3 |...d..ON|LN.d....|
|00005990| 00 5a 00 ff 01 1b 00 28 | 00 fc 00 5a 2c 61 73 20 |.Z.....(|...Z,as |
|000059a0| 69 66 20 69 74 20 77 65 | 72 65 20 63 6f 6d 69 6e |if it we|re comin|
|000059b0| 67 20 69 6e 20 76 69 61 | 20 74 68 65 20 73 65 72 |g in via| the ser|
|000059c0| 69 61 6c 20 70 6f 72 74 | 2e 00 00 a1 00 64 00 10 |ial port|.....d..|
|000059d0| 4f 4e 4c 4e 00 64 04 30 | 01 0b 00 5a 01 17 01 cd |ONLN.d.0|...Z....|
|000059e0| 00 2a 18 4d 54 68 65 20 | 50 6f 6c 6c 50 72 6f 63 |.*.MThe |PollProc|
|000059f0| 20 69 73 20 73 75 70 70 | 6f 72 74 65 64 20 6f 6e | is supp|orted on|
|00005a00| 6c 79 20 6f 6e 20 70 6f | 72 74 20 41 2e 20 50 6f |ly on po|rt A. Po|
|00005a10| 72 74 20 42 20 50 6f 6c | 6c 50 72 6f 63 73 20 61 |rt B Pol|lProcs a|
|00005a20| 72 65 20 6e 6f 74 20 73 | 75 70 70 6f 72 74 65 64 |re not s|upported|
|00005a30| 2e 00 00 a1 00 64 00 10 | 4f 4e 4c 4e 00 64 04 7e |.....d..|ONLN.d.~|
|00005a40| 01 23 00 5a 01 2f 02 0a | 00 2a 18 58 54 68 65 20 |.#.Z./..|.*.XThe |
|00005a50| 63 6f 6d 6d 65 6e 74 73 | 20 69 6e 20 74 68 65 20 |comments| in the |
|00005a60| 66 6f 6c 6c 6f 77 69 6e | 67 20 63 6f 64 65 20 67 |followin|g code g|
|00005a70| 69 76 65 20 6d 6f 72 65 | 20 64 65 74 61 69 6c 20 |ive more| detail |
|00005a80| 61 62 6f 75 74 20 68 6f | 77 20 74 6f 20 69 6d 70 |about ho|w to imp|
|00005a90| 6c 65 6d 65 6e 74 20 74 | 68 65 20 50 6f 6c 6c 50 |lement t|he PollP|
|00005aa0| 72 6f 63 2e 00 04 01 00 | 00 0d 00 0e 00 a1 00 64 |roc.....|.......d|
|00005ab0| 00 10 4f 4e 4c 4e 00 64 | 04 d7 01 47 00 5a 01 56 |..ONLN.d|...G.Z.V|
|00005ac0| 00 ee 00 2a 27 14 50 6f | 6c 6c 50 72 6f 63 20 53 |...*'.Po|llProc S|
|00005ad0| 61 6d 70 6c 65 20 43 6f | 64 65 00 2c 00 0a 00 16 |ample Co|de.,....|
|00005ae0| 07 43 6f 75 72 69 65 72 | 00 03 00 16 00 04 00 00 |.Courier|........|
|00005af0| 00 0d 00 09 00 a1 00 64 | 00 10 4f 4e 4c 4e 00 64 |.......d|..ONLN.d|
|00005b00| 04 ec 01 62 00 5a 01 6d | 01 e0 00 2a 17 4e 3b 5f |...b.Z.m|...*.N;_|
|00005b10| 5f 5f 5f 5f 5f 5f 5f 5f | 5f 5f 5f 5f 5f 5f 5f 5f |________|________|
|00005b20| 5f 5f 5f 5f 5f 5f 5f 5f | 5f 5f 5f 5f 5f 5f 5f 5f |________|________|
|00005b30| 5f 5f 5f 5f 5f 5f 5f 5f | 5f 5f 5f 5f 5f 5f 5f 5f |________|________|
|00005b40| 5f 5f 5f 5f 5f 5f 5f 5f | 5f 5f 5f 5f 5f 5f 5f 5f |________|________|
|00005b50| 5f 5f 5f 5f 5f 5f 5f 5f | 5f 5f 5f 5f 00 a1 00 64 |________|____...d|
|00005b60| 00 10 4f 4e 4c 4e 00 64 | 05 3b 01 6c 00 5a 01 77 |..ONLN.d|.;.l.Z.w|
|00005b70| 01 27 00 2a 0a 29 3b 49 | 6e 70 75 74 50 6f 6c 6c |.'.*.);I|nputPoll|
|00005b80| 44 61 74 61 20 20 2d 20 | 20 70 72 6f 63 65 73 73 |Data  - | process|
|00005b90| 20 53 43 43 20 69 6e 70 | 75 74 20 64 61 74 61 00 | SCC inp|ut data.|
|00005ba0| 00 a1 00 64 00 10 4f 4e | 4c 4e 00 64 05 65 01 76 |...d..ON|LN.d.e.v|
|00005bb0| 00 5a 01 81 00 5f 00 2a | 0a 01 3b 00 00 a1 00 64 |.Z..._.*|..;....d|
|00005bc0| 00 10 4f 4e 4c 4e 00 64 | 05 67 01 80 00 5a 01 8b |..ONLN.d|.g...Z..|
|00005bd0| 01 c7 00 2a 0a 49 3b 54 | 68 69 73 20 72 6f 75 74 |...*.I;T|his rout|
|00005be0| 69 6e 65 20 69 73 20 63 | 61 6c 6c 65 64 20 76 69 |ine is c|alled vi|
|00005bf0| 61 20 74 68 65 20 6c 6f | 77 2d 6d 65 6d 6f 72 79 |a the lo|w-memory|
|00005c00| 20 76 65 63 74 6f 72 20 | 50 6f 6c 6c 50 72 6f 63 | vector |PollProc|
|00005c10| 20 62 79 20 73 79 73 74 | 65 6d 20 63 6f 64 65 00 | by syst|em code.|
|00005c20| 00 a1 00 64 00 10 4f 4e | 4c 4e 00 64 05 b1 01 8a |...d..ON|LN.d....|
|00005c30| 00 5a 01 95 01 bd 00 2a | 0a 47 3b 74 68 61 74 20 |.Z.....*|.G;that |
|00005c40| 68 61 64 20 69 6e 74 65 | 72 72 75 70 74 73 20 64 |had inte|rrupts d|
|00005c50| 69 73 61 62 6c 65 64 20 | 66 6f 72 20 61 20 6c 6f |isabled |for a lo|
|00005c60| 6e 67 20 65 6e 6f 75 67 | 68 20 70 65 72 69 6f 64 |ng enoug|h period|
|00005c70| 20 6f 66 20 74 69 6d 65 | 20 74 68 61 74 20 53 43 | of time| that SC|
|00005c80| 43 00 00 a1 00 64 00 10 | 4f 4e 4c 4e 00 64 05 f9 |C....d..|ONLN.d..|
|00005c90| 01 94 00 5a 01 9f 01 d1 | 00 2a 0a 4b 3b 64 61 74 |...Z....|.*.K;dat|
|00005ca0| 61 20 6d 61 79 20 68 61 | 76 65 20 62 65 65 6e 20 |a may ha|ve been |
|00005cb0| 6c 6f 73 74 2e 20 54 68 | 65 20 73 79 73 74 65 6d |lost. Th|e system|
|00005cc0| 20 63 6f 64 65 20 77 69 | 6c 6c 20 70 6f 6c 6c 20 | code wi|ll poll |
|00005cd0| 74 68 65 20 53 43 43 20 | 66 6f 72 20 64 61 74 61 |the SCC |for data|
|00005ce0| 20 64 75 72 69 6e 67 00 | 00 a1 00 64 00 10 4f 4e | during.|...d..ON|
|00005cf0| 4c 4e 00 64 06 45 01 9e | 00 5a 01 a9 01 bd 00 2a |LN.d.E..|.Z.....*|
|00005d00| 0a 47 3b 74 68 65 20 74 | 69 6d 65 20 69 74 20 68 |.G;the t|ime it h|
|00005d10| 61 64 20 69 6e 74 65 72 | 72 75 70 74 73 20 64 69 |ad inter|rupts di|
|00005d20| 73 61 62 6c 65 64 20 61 | 6e 64 20 63 61 6c 6c 20 |sabled a|nd call |
|00005d30| 74 68 69 73 20 72 6f 75 | 74 69 6e 65 20 72 69 67 |this rou|tine rig|
|00005d40| 68 74 20 62 65 66 6f 72 | 65 00 00 a1 00 64 00 10 |ht befor|e....d..|
|00005d50| 4f 4e 4c 4e 00 64 06 8d | 01 a8 00 5a 01 b3 01 cc |ONLN.d..|...Z....|
|00005d60| 00 2a 0a 4a 3b 69 6e 74 | 65 72 72 75 70 74 73 20 |.*.J;int|errupts |
|00005d70| 61 72 65 20 72 65 65 6e | 61 62 6c 65 64 2e 20 54 |are reen|abled. T|
|00005d80| 68 65 20 61 64 64 72 65 | 73 73 20 6f 66 20 74 68 |he addre|ss of th|
|00005d90| 65 20 49 6e 70 75 74 50 | 6f 6c 6c 44 61 74 61 20 |e InputP|ollData |
|00005da0| 72 6f 75 74 69 6e 65 20 | 73 68 6f 75 6c 64 00 a1 |routine |should..|
|00005db0| 00 64 00 10 4f 4e 4c 4e | 00 64 06 d8 01 b2 00 5a |.d..ONLN|.d.....Z|
|00005dc0| 01 bd 01 c2 00 2a 0a 48 | 3b 62 65 20 77 72 69 74 |.....*.H|;be writ|
|00005dd0| 74 65 6e 20 69 6e 74 6f | 20 74 68 65 20 22 50 6f |ten into| the "Po|
|00005de0| 6c 6c 50 72 6f 63 22 20 | 6c 6f 77 2d 6d 65 6d 6f |llProc" |low-memo|
|00005df0| 72 79 20 76 65 63 74 6f | 72 20 77 68 65 6e 20 74 |ry vecto|r when t|
|00005e00| 68 65 20 53 43 43 20 63 | 68 61 6e 6e 65 6c 20 41 |he SCC c|hannel A|
|00005e10| 00 a1 00 64 00 10 4f 4e | 4c 4e 00 64 07 21 01 bc |...d..ON|LN.d.!..|
|00005e20| 00 5a 01 c7 01 ae 00 2a | 0a 44 3b 64 72 69 76 65 |.Z.....*|.D;drive|
|00005e30| 72 20 69 73 20 6f 70 65 | 6e 65 64 2e 20 54 68 65 |r is ope|ned. The|
|00005e40| 20 22 50 6f 6c 6c 50 72 | 6f 63 22 20 6c 6f 77 2d | "PollPr|oc" low-|
|00005e50| 6d 65 6d 6f 72 79 20 76 | 65 63 74 6f 72 20 73 68 |memory v|ector sh|
|00005e60| 6f 75 6c 64 20 62 65 20 | 7a 65 72 6f 65 64 00 a1 |ould be |zeroed..|
|00005e70| 00 64 00 10 4f 4e 4c 4e | 00 64 07 66 01 c6 00 5a |.d..ONLN|.d.f...Z|
|00005e80| 01 d1 00 e1 00 2a 0a 1b | 3b 77 68 65 6e 20 74 68 |.....*..|;when th|
|00005e90| 65 20 64 72 69 76 65 72 | 20 69 73 20 63 6c 6f 73 |e driver| is clos|
|00005ea0| 65 64 2e 00 00 a1 00 64 | 00 10 4f 4e 4c 4e 00 64 |ed.....d|..ONLN.d|
|00005eb0| 07 82 01 d0 00 5a 01 db | 00 5f 00 2a 0a 01 3b 00 |.....Z..|._.*..;.|
|00005ec0| 00 a1 00 64 00 10 4f 4e | 4c 4e 00 64 07 84 01 da |...d..ON|LN.d....|
|00005ed0| 00 5a 01 e5 01 cc 00 2a | 0a 4a 3b 54 68 65 20 49 |.Z.....*|.J;The I|
|00005ee0| 6e 70 75 74 50 6f 6c 6c | 44 61 74 61 20 72 6f 75 |nputPoll|Data rou|
|00005ef0| 74 69 6e 65 20 77 69 6c | 6c 20 62 65 20 63 61 6c |tine wil|l be cal|
|00005f00| 6c 65 64 20 77 69 74 68 | 20 64 61 74 61 20 74 6f |led with| data to|
|00005f10| 20 62 65 20 70 72 6f 63 | 65 73 73 65 64 20 6f 6e | be proc|essed on|
|00005f20| 20 74 68 65 00 a1 00 64 | 00 10 4f 4e 4c 4e 00 64 | the...d|..ONLN.d|
|00005f30| 07 cf 01 e4 00 5a 01 ef | 01 cc 00 2a 0a 4a 3b 73 |.....Z..|...*.J;s|
|00005f40| 74 61 63 6b 2e 20 54 68 | 69 73 20 72 6f 75 74 69 |tack. Th|is routi|
|00005f50| 6e 65 20 73 68 6f 75 6c | 64 20 70 72 6f 63 65 73 |ne shoul|d proces|
|00005f60| 73 20 74 68 65 20 64 61 | 74 61 20 61 73 20 69 66 |s the da|ta as if|
|00005f70| 20 69 74 20 68 61 64 20 | 62 65 65 6e 20 72 65 63 | it had |been rec|
|00005f80| 65 69 76 65 64 20 62 79 | 00 a1 00 64 00 10 4f 4e |eived by|...d..ON|
|00005f90| 4c 4e 00 64 08 1a 01 ee | 00 5a 01 f9 01 3b 00 2a |LN.d....|.Z...;.*|
|00005fa0| 0a 2d 3b 74 68 65 20 64 | 72 69 76 65 72 27 73 20 |.-;the d|river's |
|00005fb0| 72 65 63 65 69 76 65 20 | 64 61 74 61 20 69 6e 74 |receive |data int|
|00005fc0| 65 72 72 75 70 74 20 72 | 6f 75 74 69 6e 65 2e 00 |errupt r|outine..|
|00005fd0| 00 a1 00 64 00 10 4f 4e | 4c 4e 00 64 08 48 01 f8 |...d..ON|LN.d.H..|
|00005fe0| 00 5a 02 03 00 5f 00 2a | 0a 01 3b 00 00 a1 00 64 |.Z..._.*|..;....d|
|00005ff0| 00 10 4f 4e 4c 4e 00 64 | 08 4a 02 02 00 5a 02 0d |..ONLN.d|.J...Z..|
|00006000| 00 7d 00 2a 0a 07 3b 4e | 6f 74 65 3a 20 00 00 a1 |.}.*..;N|ote: ...|
|00006010| 00 64 00 10 4f 4e 4c 4e | 00 64 08 52 02 02 00 a2 |.d..ONLN|.d.R....|
|00006020| 02 0d 01 f6 00 29 48 44 | 50 6f 6c 6c 50 72 6f 63 |.....)HD|PollProc|
|00006030| 20 6d 65 63 68 61 6e 69 | 73 6d 73 20 61 72 65 20 | mechani|sms are |
|00006040| 6e 6f 74 20 6e 65 63 65 | 73 73 61 72 79 20 6f 6e |not nece|ssary on|
|00006050| 20 53 43 43 20 49 4f 50 | 20 62 61 73 65 64 20 6d | SCC IOP| based m|
|00006060| 61 63 68 69 6e 65 73 20 | 61 6e 64 20 00 a1 00 64 |achines |and ...d|
|00006070| 00 10 4f 4e 4c 4e 00 64 | 08 98 02 0c 00 a2 02 17 |..ONLN.d|........|
|00006080| 01 01 00 2a 0a 13 73 68 | 6f 75 6c 64 20 6e 6f 74 |...*..sh|ould not|
|00006090| 20 62 65 20 75 73 65 64 | 2e 00 00 a1 00 64 00 10 | be used|.....d..|
|000060a0| 4f 4e 4c 4e 00 64 08 ac | 02 16 00 5a 02 21 00 5f |ONLN.d..|...Z.!._|
|000060b0| 00 28 02 1e 00 5a 01 3b | 00 a1 00 64 00 10 4f 4e |.(...Z.;|...d..ON|
|000060c0| 4c 4e 00 64 08 ae 02 20 | 00 5a 02 2b 00 7d 00 2a |LN.d... |.Z.+.}.*|
|000060d0| 0a 07 3b 49 6e 70 75 74 | 3a 00 00 a1 00 64 00 10 |..;Input|:....d..|
|000060e0| 4f 4e 4c 4e 00 64 08 b6 | 02 20 00 a2 02 2b 01 51 |ONLN.d..|. ...+.Q|
|000060f0| 00 29 48 23 61 36 2e 6c | 20 20 3d 20 20 53 43 43 |.)H#a6.l|  =  SCC|
|00006100| 20 63 68 61 6e 6e 65 6c | 20 41 20 64 61 74 61 20 | channel| A data |
|00006110| 70 6f 69 6e 74 65 72 00 | 00 a1 00 64 00 10 4f 4e |pointer.|...d..ON|
|00006120| 4c 4e 00 64 08 da 02 2a | 00 5a 02 35 00 82 00 28 |LN.d...*|.Z.5...(|
|00006130| 02 32 00 5a 08 3b 4f 75 | 74 70 75 74 3a 00 00 a1 |.2.Z.;Ou|tput:...|
|00006140| 00 64 00 10 4f 4e 4c 4e | 00 64 08 e3 02 2a 00 a2 |.d..ONLN|.d...*..|
|00006150| 02 35 00 b6 00 29 48 04 | 6e 6f 6e 65 00 a1 00 64 |.5...)H.|none...d|
|00006160| 00 10 4f 4e 4c 4e 00 64 | 08 e8 02 34 00 5a 02 3f |..ONLN.d|...4.Z.?|
|00006170| 00 5f 00 28 02 3c 00 5a | 01 3b 00 a1 00 64 00 10 |._.(.<.Z|.;...d..|
|00006180| 4f 4e 4c 4e 00 64 08 ea | 02 3e 00 5a 02 49 00 b4 |ONLN.d..|.>.Z.I..|
|00006190| 00 2a 0a 12 3b 61 6c 6c | 6f 77 65 64 20 74 6f 20 |.*..;all|owed to |
|000061a0| 74 72 61 73 68 3a 00 a1 | 00 64 00 10 4f 4e 4c 4e |trash:..|.d..ONLN|
|000061b0| 00 64 08 fd 02 3e 00 c6 | 02 49 00 fd 00 29 6c 0b |.d...>..|.I...)l.|
|000061c0| 61 30 2d 61 31 2f 61 33 | 2d 61 34 00 00 a1 00 64 |a0-a1/a3|-a4....d|
|000061d0| 00 10 4f 4e 4c 4e 00 64 | 09 09 02 52 00 5a 02 5d |..ONLN.d|...R.Z.]|
|000061e0| 00 8c 00 28 02 5a 00 5a | 0a 50 6f 6c 6c 53 74 61 |...(.Z.Z|.PollSta|
|000061f0| 63 6b 20 00 00 a1 00 64 | 00 10 4f 4e 4c 4e 00 64 |ck ....d|..ONLN.d|
|00006200| 09 14 02 52 00 a2 02 5d | 00 b6 00 29 48 04 65 71 |...R...]|...)H.eq|
|00006210| 75 20 00 a1 00 64 00 10 | 4f 4e 4c 4e 00 64 09 19 |u ...d..|ONLN.d..|
|00006220| 02 52 00 c6 02 5d 00 e4 | 00 29 24 06 24 31 33 41 |.R...]..|.)$.$13A|
|00006230| 20 20 00 a1 00 64 00 10 | 4f 4e 4c 4e 00 64 09 20 |  ...d..|ONLN.d. |
|00006240| 02 52 00 ea 02 5d 01 d0 | 00 29 24 2e 3b 20 53 43 |.R...]..|.)$.; SC|
|00006250| 43 20 70 6f 6c 6c 20 64 | 61 74 61 20 73 74 61 72 |C poll d|ata star|
|00006260| 74 20 73 74 61 63 6b 20 | 6c 6f 63 61 74 69 6f 6e |t stack |location|
|00006270| 20 5b 70 6f 69 6e 74 65 | 72 5d 00 a1 00 64 00 10 | [pointe|r]...d..|
|00006280| 4f 4e 4c 4e 00 64 09 4f | 02 5c 00 5a 02 67 00 8c |ONLN.d.O|.\.Z.g..|
|00006290| 00 28 02 64 00 5a 0a 50 | 6f 6c 6c 50 72 6f 63 20 |.(.d.Z.P|ollProc |
|000062a0| 20 00 00 a1 00 64 00 10 | 4f 4e 4c 4e 00 64 09 5a | ....d..|ONLN.d.Z|
|000062b0| 02 5c 00 a2 02 67 00 b6 | 00 29 48 04 65 71 75 20 |.\...g..|.)H.equ |
|000062c0| 00 a1 00 64 00 10 4f 4e | 4c 4e 00 64 09 5f 02 5c |...d..ON|LN.d._.\|
|000062d0| 00 c6 02 67 00 e4 00 29 | 24 06 24 31 33 45 20 20 |...g...)|$.$13E  |
|000062e0| 00 a1 00 64 00 10 4f 4e | 4c 4e 00 64 09 66 02 5c |...d..ON|LN.d.f.\|
|000062f0| 00 ea 02 67 01 99 00 29 | 24 23 3b 20 53 43 43 20 |...g...)|$#; SCC |
|00006300| 70 6f 6c 6c 20 64 61 74 | 61 20 70 72 6f 63 65 64 |poll dat|a proced|
|00006310| 75 72 65 20 5b 70 6f 69 | 6e 74 65 72 5d 00 00 a1 |ure [poi|nter]...|
|00006320| 00 64 00 10 4f 4e 4c 4e | 00 64 09 8a 02 66 00 5a |.d..ONLN|.d...f.Z|
|00006330| 02 71 00 6e 00 28 02 6e | 00 5a 04 52 78 43 41 00 |.q.n.(.n|.Z.RxCA.|
|00006340| 00 a1 00 64 00 10 4f 4e | 4c 4e 00 64 09 90 02 66 |...d..ON|LN.d...f|
|00006350| 00 a2 02 71 00 b1 00 29 | 48 03 65 71 75 00 00 a1 |...q...)|H.equ...|
|00006360| 00 64 00 10 4f 4e 4c 4e | 00 64 09 94 02 66 00 c6 |.d..ONLN|.d...f..|
|00006370| 02 71 00 cb 00 29 24 01 | 30 00 00 a1 00 64 00 10 |.q...)$.|0....d..|
|00006380| 4f 4e 4c 4e 00 64 09 96 | 02 66 00 ea 02 71 01 e9 |ONLN.d..|.f...q..|
|00006390| 00 29 24 33 3b 20 42 69 | 74 20 7a 65 72 6f 20 6f |.)$3; Bi|t zero o|
|000063a0| 66 20 53 43 43 20 52 52 | 30 20 69 6e 64 69 63 61 |f SCC RR|0 indica|
|000063b0| 74 65 73 20 72 65 63 65 | 69 76 65 20 63 68 61 72 |tes rece|ive char|
|000063c0| 20 61 76 61 69 6c 2e 00 | 00 a1 00 64 00 10 4f 4e | avail..|...d..ON|
|000063d0| 4c 4e 00 64 09 ca 02 7a | 00 5a 02 85 00 9b 00 28 |LN.d...z|.Z.....(|
|000063e0| 02 82 00 5a 0d 49 6e 70 | 75 74 50 6f 6c 6c 44 61 |...Z.Inp|utPollDa|
|000063f0| 74 61 00 a1 00 64 00 10 | 4f 4e 4c 4e 00 64 09 d8 |ta...d..|ONLN.d..|
+--------+-------------------------+-------------------------+--------+--------+