/ Developer CD Series 1994 August: Tool Chest / Dev.CD Aug 94.toast / Tool Chest / Games / Mac Game Developer's Handbook / Sound and Midi / PollProc

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+--------+-------------------------+-------------------------+--------+--------+
|00000000| 00 08 50 6f 6c 6c 50 72 | 6f 63 00 00 00 00 00 00 |..PollPr|oc......|
|00000010| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|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.......|
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|00000060| fc 26 63 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |.&c.....|........|
|00000070| 00 00 00 00 00 00 00 00 | 00 00 81 81 f9 9c 00 00 |........|........|
|00000080| 53 65 72 69 61 6c 20 50 | 6f 6c 6c 50 72 6f 63 0d |Serial P|ollProc.|
|00000090| 44 65 76 69 63 65 73 09 | 4d 2e 44 56 2e 50 6f 6c |Devices.|M.DV.Pol|
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|000000b0| 3a 09 52 69 63 68 20 d2 | 49 20 53 65 65 20 43 6f |:.Rich .|I See Co|
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|000000d0| 44 61 76 65 20 57 6f 6e | 67 09 4a 75 6e 65 20 31 |Dave Won|g.June 1|
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|00000120| 72 20 4d 49 44 49 20 28 | 4d 75 73 69 63 61 6c 20 |r MIDI (|Musical |
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|00001c90| 75 20 09 24 31 33 41 20 | 20 09 3b 20 53 43 43 20 |u .$13A | .; SCC |
|00001ca0| 70 6f 6c 6c 20 64 61 74 | 61 20 73 74 61 72 74 20 |poll dat|a start |
|00001cb0| 73 74 61 63 6b 20 6c 6f | 63 61 74 69 6f 6e 20 5b |stack lo|cation [|
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|00001dd0| 64 61 74 61 20 66 72 6f | 6d 20 74 68 65 20 53 43 |data fro|m the SC|
|00001de0| 43 2e 20 54 68 69 73 20 | 6d 61 79 20 6e 6f 74 20 |C. This |may not |
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|00001ff0| 63 65 73 73 44 61 74 61 | 09 09 3b 20 6e 6f 20 61 |cessData|..; no a|
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|00002100| 73 73 20 69 6e 20 74 68 | 65 20 6c 6f 77 2d 6d 65 |ss in th|e low-me|
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|00002150| 70 2c 61 33 09 09 09 3b | 20 48 61 76 65 20 77 65 |p,a3...;| Have we|
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|00002170| 68 65 20 73 74 61 63 6b | 20 64 61 74 61 3f 0d 62 |he stack| data?.b|
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|00002190| 57 65 20 61 72 65 20 64 | 6f 6e 65 2e 0d 73 75 62 |We are d|one..sub|
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|000021b0| 6b 69 70 20 6f 76 65 72 | 20 67 61 72 62 61 67 65 |kip over| garbage|
|000021c0| 20 62 79 74 65 20 62 65 | 63 61 75 73 65 20 73 74 | byte be|cause st|
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|00002240| 65 73 73 20 74 68 65 20 | 64 61 74 61 20 62 79 74 |ess the |data byt|
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|000052c0| 01 f9 00 0d 00 0a 00 06 | 00 00 00 00 00 28 02 f1 |........|.....(..|
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|000052e0| 01 00 00 28 02 f1 01 b8 | 01 20 00 04 00 00 00 29 |...(....|. .....)|
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|00005300| 63 00 00 ff 15 56 00 00 | 00 00 02 d7 02 23 00 11 |c....V..|.....#..|
|00005310| 02 ff 0c 00 ff ff ff ff | 00 00 00 00 00 00 00 00 |........|........|
|00005320| 02 23 00 00 02 d7 00 00 | 00 00 00 00 00 0c 00 1e |.#......|........|
|00005330| 00 1f 00 01 00 0a 00 00 | 00 00 03 49 02 52 00 2c |........|...I.R.,|
|00005340| 00 08 00 14 05 54 69 6d | 65 73 00 03 00 14 00 0d |.....Tim|es......|
|00005350| 00 0a 00 2e 00 04 00 00 | 00 00 00 2b 5a 2c 1b 44 |........|...+Z,.D|
|00005360| 65 76 65 6c 6f 70 65 72 | 20 54 65 63 68 6e 69 63 |eveloper| Technic|
|00005370| 61 6c 20 53 75 70 70 6f | 72 74 00 28 00 2c 01 f3 |al Suppo|rt.(.,..|
|00005380| 09 4a 75 6e 65 20 31 39 | 39 32 00 20 00 2e 00 58 |.June 19|92. ...X|
|00005390| 00 2e 02 1d 00 0d 00 0c | 00 06 00 01 00 00 00 a1 |........|........|
|000053a0| 00 64 00 10 4f 4e 4c 4e | 00 64 00 00 00 1c 00 3c |.d..ONLN|.d.....<|
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|000053c0| 20 74 6f 20 70 6c 61 63 | 65 20 61 20 00 06 00 02 | to plac|e a ....|
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|000053e0| 00 1c 00 8d 00 28 01 fe | 00 29 51 46 70 6f 69 6e |.....(..|.)QFpoin|
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|00005400| 69 6e 65 20 69 6e 20 74 | 68 65 20 6c 6f 77 2d 6d |ine in t|he low-m|
|00005410| 65 6d 6f 72 79 20 67 6c | 6f 62 61 6c d1 50 6f 6c |emory gl|obal.Pol|
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|00005440| 4c 4e 00 64 00 58 00 28 | 00 3c 00 34 01 1d 00 28 |LN.d.X.(|.<.4...(|
|00005450| 00 50 00 5a 2e 28 73 75 | 63 68 20 61 73 20 74 68 |.P.Z.(su|ch as th|
|00005460| 65 20 50 6f 77 65 72 20 | 4d 61 6e 61 67 65 72 20 |e Power |Manager |
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|00005490| 4f 4e 4c 4e 00 64 00 86 | 00 28 01 1d 00 34 01 fa |ONLN.d..|.(...4..|
|000054a0| 00 29 e1 31 74 75 72 6e | 73 20 6f 66 66 20 69 6e |.).1turn|s off in|
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|000054f0| 01 fe 00 29 dd 01 2d 00 | 00 06 00 02 00 00 00 a1 |...)..-.|........|
|00005500| 00 64 00 10 4f 4e 4c 4e | 00 64 00 b8 00 34 00 3c |.d..ONLN|.d...4.<|
|00005510| 00 40 01 90 00 28 00 5c | 00 5a 46 6d 65 6d 6f 72 |.@...(.\|.ZFmemor|
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|00005540| 6c 6f 62 61 6c 20 69 73 | 20 6e 6f 74 20 6e 69 6c |lobal is| not nil|
|00005550| 2c 20 74 68 65 6e 20 69 | 74 20 74 68 65 20 4f 53 |, then i|t the OS|
|00005560| 20 00 00 06 00 03 00 00 | 00 a1 00 64 00 10 4f 4e | .......|...d..ON|
|00005570| 4c 4e 00 64 00 fe 00 34 | 01 90 00 40 01 fe 00 28 |LN.d...4|...@...(|
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|00005590| 68 65 20 53 43 43 20 66 | 6f 72 00 06 00 00 00 00 |he SCC f|or......|
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|000055b0| 00 3c 00 4c 01 89 00 28 | 00 68 00 5a 48 69 6e 63 |.<.L...(|.h.ZHinc|
|000055c0| 6f 6d 69 6e 67 20 64 61 | 74 61 20 61 6e 64 20 73 |oming da|ta and s|
|000055d0| 74 75 66 66 20 74 68 65 | 20 64 61 74 61 20 69 6e |tuff the| data in|
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|00005630| 68 65 20 69 6e 74 65 72 | 72 75 70 74 73 20 62 61 |he inter|rupts ba|
|00005640| 63 6b 00 06 00 00 00 00 | 00 a1 00 64 00 10 4f 4e |ck......|...d..ON|
|00005650| 4c 4e 00 64 01 76 00 4c | 00 3c 00 58 01 1e 00 28 |LN.d.v.L|.<.X...(|
|00005660| 00 74 00 5a 33 6f 6e 2c | 20 69 74 20 63 61 6c 6c |.t.Z3on,| it call|
|00005670| 73 20 74 68 65 20 50 6f | 6c 6c 50 72 6f 63 20 61 |s the Po|llProc a|
|00005680| 6e 64 20 70 61 73 73 65 | 73 20 74 68 65 20 62 75 |nd passe|s the bu|
|00005690| 66 66 65 72 20 74 6f 20 | 00 06 00 01 00 00 00 a1 |ffer to |........|
|000056a0| 00 64 00 10 4f 4e 4c 4e | 00 64 01 a9 00 4c 01 1e |.d..ONLN|.d...L..|
|000056b0| 00 58 01 fe 00 29 e2 30 | 69 74 2e 20 54 68 65 20 |.X...).0|it. The |
|000056c0| 50 6f 6c 6c 50 72 6f 63 | 20 77 69 6c 6c 20 62 65 |PollProc| will be|
|000056d0| 20 61 62 6c 65 20 74 6f | 20 68 61 6e 64 6c 65 20 | able to| handle |
|000056e0| 74 68 65 20 64 61 74 61 | 00 06 00 00 00 00 00 a1 |the data|........|
|000056f0| 00 64 00 10 4f 4e 4c 4e | 00 64 01 da 00 58 00 3c |.d..ONLN|.d...X.<|
|00005700| 00 64 00 fa 00 28 00 80 | 00 5a 2c 61 73 20 69 66 |.d...(..|.Z,as if|
|00005710| 20 69 74 20 77 65 72 65 | 20 63 6f 6d 69 6e 67 20 | it were| coming |
|00005720| 69 6e 20 76 69 61 20 74 | 68 65 20 73 65 72 69 61 |in via t|he seria|
|00005730| 6c 20 70 6f 72 74 2e 00 | 00 a1 00 64 00 10 4f 4e |l port..|...d..ON|
|00005740| 4c 4e 00 64 02 07 00 70 | 00 3c 00 7c 01 ad 00 2a |LN.d...p|.<.|...*|
|00005750| 18 4d 54 68 65 20 50 6f | 6c 6c 50 72 6f 63 20 69 |.MThe Po|llProc i|
|00005760| 73 20 73 75 70 70 6f 72 | 74 65 64 20 6f 6e 6c 79 |s suppor|ted only|
|00005770| 20 6f 6e 20 70 6f 72 74 | 20 41 2e 20 50 6f 72 74 | on port| A. Port|
|00005780| 20 42 20 50 6f 6c 6c 50 | 72 6f 63 73 20 61 72 65 | B PollP|rocs are|
|00005790| 20 6e 6f 74 20 73 75 70 | 70 6f 72 74 65 64 2e 00 | not sup|ported..|
|000057a0| 00 a1 00 64 00 10 4f 4e | 4c 4e 00 64 02 55 00 88 |...d..ON|LN.d.U..|
|000057b0| 00 3c 00 94 01 e8 00 2a | 18 58 54 68 65 20 63 6f |.<.....*|.XThe co|
|000057c0| 6d 6d 65 6e 74 73 20 69 | 6e 20 74 68 65 20 66 6f |mments i|n the fo|
|000057d0| 6c 6c 6f 77 69 6e 67 20 | 63 6f 64 65 20 67 69 76 |llowing |code giv|
|000057e0| 65 20 6d 6f 72 65 20 64 | 65 74 61 69 6c 20 61 62 |e more d|etail ab|
|000057f0| 6f 75 74 20 68 6f 77 20 | 74 6f 20 69 6d 70 6c 65 |out how |to imple|
|00005800| 6d 65 6e 74 20 74 68 65 | 20 50 6f 6c 6c 50 72 6f |ment the| PollPro|
|00005810| 63 2e 00 04 01 00 00 0d | 00 0e 00 a1 00 64 00 10 |c.......|.....d..|
|00005820| 4f 4e 4c 4e 00 64 02 ae | 00 ac 00 3c 00 ba 00 c4 |ONLN.d..|...<....|
|00005830| 00 2a 26 14 50 6f 6c 6c | 50 72 6f 63 20 53 61 6d |.*&.Poll|Proc Sam|
|00005840| 70 6c 65 20 43 6f 64 65 | 00 2c 00 0a 00 16 07 43 |ple Code|.,.....C|
|00005850| 6f 75 72 69 65 72 00 03 | 00 16 00 04 00 00 00 0d |ourier..|........|
|00005860| 00 09 00 a1 00 64 00 10 | 4f 4e 4c 4e 00 64 02 c3 |.....d..|ONLN.d..|
|00005870| 00 c6 00 3c 00 d1 01 c2 | 00 2a 17 4e 3b 5f 5f 5f |...<....|.*.N;___|
|00005880| 5f 5f 5f 5f 5f 5f 5f 5f | 5f 5f 5f 5f 5f 5f 5f 5f |________|________|
|00005890| 5f 5f 5f 5f 5f 5f 5f 5f | 5f 5f 5f 5f 5f 5f 5f 5f |________|________|
|000058a0| 5f 5f 5f 5f 5f 5f 5f 5f | 5f 5f 5f 5f 5f 5f 5f 5f |________|________|
|000058b0| 5f 5f 5f 5f 5f 5f 5f 5f | 5f 5f 5f 5f 5f 5f 5f 5f |________|________|
|000058c0| 5f 5f 5f 5f 5f 5f 5f 5f | 5f 5f 00 a1 00 64 00 10 |________|__...d..|
|000058d0| 4f 4e 4c 4e 00 64 03 12 | 00 d0 00 3c 00 db 01 09 |ONLN.d..|...<....|
|000058e0| 00 2a 0a 29 3b 49 6e 70 | 75 74 50 6f 6c 6c 44 61 |.*.);Inp|utPollDa|
|000058f0| 74 61 20 20 2d 20 20 70 | 72 6f 63 65 73 73 20 53 |ta  -  p|rocess S|
|00005900| 43 43 20 69 6e 70 75 74 | 20 64 61 74 61 00 00 a1 |CC input| data...|
|00005910| 00 64 00 10 4f 4e 4c 4e | 00 64 03 3c 00 da 00 3c |.d..ONLN|.d.<...<|
|00005920| 00 e5 00 41 00 2a 0a 01 | 3b 00 00 a1 00 64 00 10 |...A.*..|;....d..|
|00005930| 4f 4e 4c 4e 00 64 03 3e | 00 e4 00 3c 00 ef 01 a9 |ONLN.d.>|...<....|
|00005940| 00 2a 0a 49 3b 54 68 69 | 73 20 72 6f 75 74 69 6e |.*.I;Thi|s routin|
|00005950| 65 20 69 73 20 63 61 6c | 6c 65 64 20 76 69 61 20 |e is cal|led via |
|00005960| 74 68 65 20 6c 6f 77 2d | 6d 65 6d 6f 72 79 20 76 |the low-|memory v|
|00005970| 65 63 74 6f 72 20 50 6f | 6c 6c 50 72 6f 63 20 62 |ector Po|llProc b|
|00005980| 79 20 73 79 73 74 65 6d | 20 63 6f 64 65 00 00 a1 |y system| code...|
|00005990| 00 64 00 10 4f 4e 4c 4e | 00 64 03 88 00 ee 00 3c |.d..ONLN|.d.....<|
|000059a0| 00 f9 01 9f 00 2a 0a 47 | 3b 74 68 61 74 20 68 61 |.....*.G|;that ha|
|000059b0| 64 20 69 6e 74 65 72 72 | 75 70 74 73 20 64 69 73 |d interr|upts dis|
|000059c0| 61 62 6c 65 64 20 66 6f | 72 20 61 20 6c 6f 6e 67 |abled fo|r a long|
|000059d0| 20 65 6e 6f 75 67 68 20 | 70 65 72 69 6f 64 20 6f | enough |period o|
|000059e0| 66 20 74 69 6d 65 20 74 | 68 61 74 20 53 43 43 00 |f time t|hat SCC.|
|000059f0| 00 a1 00 64 00 10 4f 4e | 4c 4e 00 64 03 d0 00 f8 |...d..ON|LN.d....|
|00005a00| 00 3c 01 03 01 b3 00 2a | 0a 4b 3b 64 61 74 61 20 |.<.....*|.K;data |
|00005a10| 6d 61 79 20 68 61 76 65 | 20 62 65 65 6e 20 6c 6f |may have| been lo|
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|00005a30| 6f 64 65 20 77 69 6c 6c | 20 70 6f 6c 6c 20 74 68 |ode will| poll th|
|00005a40| 65 20 53 43 43 20 66 6f | 72 20 64 61 74 61 20 64 |e SCC fo|r data d|
|00005a50| 75 72 69 6e 67 00 00 a1 | 00 64 00 10 4f 4e 4c 4e |uring...|.d..ONLN|
|00005a60| 00 64 04 1c 01 02 00 3c | 01 0d 01 9f 00 2a 0a 47 |.d.....<|.....*.G|
|00005a70| 3b 74 68 65 20 74 69 6d | 65 20 69 74 20 68 61 64 |;the tim|e it had|
|00005a80| 20 69 6e 74 65 72 72 75 | 70 74 73 20 64 69 73 61 | interru|pts disa|
|00005a90| 62 6c 65 64 20 61 6e 64 | 20 63 61 6c 6c 20 74 68 |bled and| call th|
|00005aa0| 69 73 20 72 6f 75 74 69 | 6e 65 20 72 69 67 68 74 |is routi|ne right|
|00005ab0| 20 62 65 66 6f 72 65 00 | 00 a1 00 64 00 10 4f 4e | before.|...d..ON|
|00005ac0| 4c 4e 00 64 04 64 01 0c | 00 3c 01 17 01 ae 00 2a |LN.d.d..|.<.....*|
|00005ad0| 0a 4a 3b 69 6e 74 65 72 | 72 75 70 74 73 20 61 72 |.J;inter|rupts ar|
|00005ae0| 65 20 72 65 65 6e 61 62 | 6c 65 64 2e 20 54 68 65 |e reenab|led. The|
|00005af0| 20 61 64 64 72 65 73 73 | 20 6f 66 20 74 68 65 20 | address| of the |
|00005b00| 49 6e 70 75 74 50 6f 6c | 6c 44 61 74 61 20 72 6f |InputPol|lData ro|
|00005b10| 75 74 69 6e 65 20 73 68 | 6f 75 6c 64 00 a1 00 64 |utine sh|ould...d|
|00005b20| 00 10 4f 4e 4c 4e 00 64 | 04 af 01 16 00 3c 01 21 |..ONLN.d|.....<.!|
|00005b30| 01 a4 00 2a 0a 48 3b 62 | 65 20 77 72 69 74 74 65 |...*.H;b|e writte|
|00005b40| 6e 20 69 6e 74 6f 20 74 | 68 65 20 22 50 6f 6c 6c |n into t|he "Poll|
|00005b50| 50 72 6f 63 22 20 6c 6f | 77 2d 6d 65 6d 6f 72 79 |Proc" lo|w-memory|
|00005b60| 20 76 65 63 74 6f 72 20 | 77 68 65 6e 20 74 68 65 | vector |when the|
|00005b70| 20 53 43 43 20 63 68 61 | 6e 6e 65 6c 20 41 00 a1 | SCC cha|nnel A..|
|00005b80| 00 64 00 10 4f 4e 4c 4e | 00 64 04 f8 01 20 00 3c |.d..ONLN|.d... .<|
|00005b90| 01 2b 01 90 00 2a 0a 44 | 3b 64 72 69 76 65 72 20 |.+...*.D|;driver |
|00005ba0| 69 73 20 6f 70 65 6e 65 | 64 2e 20 54 68 65 20 22 |is opene|d. The "|
|00005bb0| 50 6f 6c 6c 50 72 6f 63 | 22 20 6c 6f 77 2d 6d 65 |PollProc|" low-me|
|00005bc0| 6d 6f 72 79 20 76 65 63 | 74 6f 72 20 73 68 6f 75 |mory vec|tor shou|
|00005bd0| 6c 64 20 62 65 20 7a 65 | 72 6f 65 64 00 a1 00 64 |ld be ze|roed...d|
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|00005bf0| 00 c3 00 2a 0a 1b 3b 77 | 68 65 6e 20 74 68 65 20 |...*..;w|hen the |
|00005c00| 64 72 69 76 65 72 20 69 | 73 20 63 6c 6f 73 65 64 |driver i|s closed|
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|00005c20| 01 34 00 3c 01 3f 00 41 | 00 2a 0a 01 3b 00 00 a1 |.4.<.?.A|.*..;...|
|00005c30| 00 64 00 10 4f 4e 4c 4e | 00 64 05 5b 01 3e 00 3c |.d..ONLN|.d.[.>.<|
|00005c40| 01 49 01 ae 00 2a 0a 4a | 3b 54 68 65 20 49 6e 70 |.I...*.J|;The Inp|
|00005c50| 75 74 50 6f 6c 6c 44 61 | 74 61 20 72 6f 75 74 69 |utPollDa|ta routi|
|00005c60| 6e 65 20 77 69 6c 6c 20 | 62 65 20 63 61 6c 6c 65 |ne will |be calle|
|00005c70| 64 20 77 69 74 68 20 64 | 61 74 61 20 74 6f 20 62 |d with d|ata to b|
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|00005ca0| 01 48 00 3c 01 53 01 ae | 00 2a 0a 4a 3b 73 74 61 |.H.<.S..|.*.J;sta|
|00005cb0| 63 6b 2e 20 54 68 69 73 | 20 72 6f 75 74 69 6e 65 |ck. This| routine|
|00005cc0| 20 73 68 6f 75 6c 64 20 | 70 72 6f 63 65 73 73 20 | should |process |
|00005cd0| 74 68 65 20 64 61 74 61 | 20 61 73 20 69 66 20 69 |the data| as if i|
|00005ce0| 74 20 68 61 64 20 62 65 | 65 6e 20 72 65 63 65 69 |t had be|en recei|
|00005cf0| 76 65 64 20 62 79 00 a1 | 00 64 00 10 4f 4e 4c 4e |ved by..|.d..ONLN|
|00005d00| 00 64 05 f1 01 52 00 3c | 01 5d 01 1d 00 2a 0a 2d |.d...R.<|.]...*.-|
|00005d10| 3b 74 68 65 20 64 72 69 | 76 65 72 27 73 20 72 65 |;the dri|ver's re|
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|00005d30| 72 75 70 74 20 72 6f 75 | 74 69 6e 65 2e 00 00 a1 |rupt rou|tine....|
|00005d40| 00 64 00 10 4f 4e 4c 4e | 00 64 06 1f 01 5c 00 3c |.d..ONLN|.d...\.<|
|00005d50| 01 67 00 41 00 2a 0a 01 | 3b 00 00 a1 00 64 00 10 |.g.A.*..|;....d..|
|00005d60| 4f 4e 4c 4e 00 64 06 21 | 01 66 00 3c 01 71 00 5f |ONLN.d.!|.f.<.q._|
|00005d70| 00 2a 0a 07 3b 4e 6f 74 | 65 3a 20 00 00 a1 00 64 |.*..;Not|e: ....d|
|00005d80| 00 10 4f 4e 4c 4e 00 64 | 06 29 01 66 00 84 01 71 |..ONLN.d|.).f...q|
|00005d90| 01 f6 00 29 48 4a 50 6f | 6c 6c 50 72 6f 63 20 6d |...)HJPo|llProc m|
|00005da0| 65 63 68 61 6e 69 73 6d | 73 20 61 72 65 20 6e 6f |echanism|s are no|
|00005db0| 74 20 6e 65 63 65 73 73 | 61 72 79 20 6f 6e 20 53 |t necess|ary on S|
|00005dc0| 43 43 20 49 4f 50 20 62 | 61 73 65 64 20 6d 61 63 |CC IOP b|ased mac|
|00005dd0| 68 69 6e 65 73 20 61 6e | 64 20 73 68 6f 75 6c 64 |hines an|d should|
|00005de0| 00 a1 00 64 00 10 4f 4e | 4c 4e 00 64 06 77 01 70 |...d..ON|LN.d.w.p|
|00005df0| 00 84 01 7b 00 c0 00 2a | 0a 0c 6e 6f 74 20 62 65 |...{...*|..not be|
|00005e00| 20 75 73 65 64 2e 00 a1 | 00 64 00 10 4f 4e 4c 4e | used...|.d..ONLN|
|00005e10| 00 64 06 84 01 7a 00 3c | 01 85 00 41 00 28 01 a1 |.d...z.<|...A.(..|
|00005e20| 00 5a 01 3b 00 a1 00 64 | 00 10 4f 4e 4c 4e 00 64 |.Z.;...d|..ONLN.d|
|00005e30| 06 86 01 84 00 3c 01 8f | 00 5f 00 2a 0a 07 3b 49 |.....<..|._.*..;I|
|00005e40| 6e 70 75 74 3a 00 00 a1 | 00 64 00 10 4f 4e 4c 4e |nput:...|.d..ONLN|
|00005e50| 00 64 06 8e 01 84 00 84 | 01 8f 01 33 00 29 48 23 |.d......|...3.)H#|
|00005e60| 61 36 2e 6c 20 20 3d 20 | 20 53 43 43 20 63 68 61 |a6.l  = | SCC cha|
|00005e70| 6e 6e 65 6c 20 41 20 64 | 61 74 61 20 70 6f 69 6e |nnel A d|ata poin|
|00005e80| 74 65 72 00 00 a1 00 64 | 00 10 4f 4e 4c 4e 00 64 |ter....d|..ONLN.d|
|00005e90| 06 b2 01 8e 00 3c 01 99 | 00 64 00 28 01 b5 00 5a |.....<..|.d.(...Z|
|00005ea0| 08 3b 4f 75 74 70 75 74 | 3a 00 00 a1 00 64 00 10 |.;Output|:....d..|
|00005eb0| 4f 4e 4c 4e 00 64 06 bb | 01 8e 00 84 01 99 00 98 |ONLN.d..|........|
|00005ec0| 00 29 48 04 6e 6f 6e 65 | 00 a1 00 64 00 10 4f 4e |.)H.none|...d..ON|
|00005ed0| 4c 4e 00 64 06 c0 01 98 | 00 3c 01 a3 00 41 00 28 |LN.d....|.<...A.(|
|00005ee0| 01 bf 00 5a 01 3b 00 a1 | 00 64 00 10 4f 4e 4c 4e |...Z.;..|.d..ONLN|
|00005ef0| 00 64 06 c2 01 a2 00 3c | 01 ad 00 96 00 2a 0a 12 |.d.....<|.....*..|
|00005f00| 3b 61 6c 6c 6f 77 65 64 | 20 74 6f 20 74 72 61 73 |;allowed| to tras|
|00005f10| 68 3a 00 a1 00 64 00 10 | 4f 4e 4c 4e 00 64 06 d5 |h:...d..|ONLN.d..|
|00005f20| 01 a2 00 a8 01 ad 00 df | 00 29 6c 0b 61 30 2d 61 |........|.)l.a0-a|
|00005f30| 31 2f 61 33 2d 61 34 00 | 00 a1 00 64 00 10 4f 4e |1/a3-a4.|...d..ON|
|00005f40| 4c 4e 00 64 06 e1 01 b6 | 00 3c 01 c1 00 6e 00 28 |LN.d....|.<...n.(|
|00005f50| 01 dd 00 5a 0a 50 6f 6c | 6c 53 74 61 63 6b 20 00 |...Z.Pol|lStack .|
|00005f60| 00 a1 00 64 00 10 4f 4e | 4c 4e 00 64 06 ec 01 b6 |...d..ON|LN.d....|
|00005f70| 00 84 01 c1 00 98 00 29 | 48 04 65 71 75 20 00 a1 |.......)|H.equ ..|
|00005f80| 00 64 00 10 4f 4e 4c 4e | 00 64 06 f1 01 b6 00 a8 |.d..ONLN|.d......|
|00005f90| 01 c1 00 c6 00 29 24 06 | 24 31 33 41 20 20 00 a1 |.....)$.|$13A  ..|
|00005fa0| 00 64 00 10 4f 4e 4c 4e | 00 64 06 f8 01 b6 00 cc |.d..ONLN|.d......|
|00005fb0| 01 c1 01 b2 00 29 24 2e | 3b 20 53 43 43 20 70 6f |.....)$.|; SCC po|
|00005fc0| 6c 6c 20 64 61 74 61 20 | 73 74 61 72 74 20 73 74 |ll data |start st|
|00005fd0| 61 63 6b 20 6c 6f 63 61 | 74 69 6f 6e 20 5b 70 6f |ack loca|tion [po|
|00005fe0| 69 6e 74 65 72 5d 00 a1 | 00 64 00 10 4f 4e 4c 4e |inter]..|.d..ONLN|
|00005ff0| 00 64 07 27 01 c0 00 3c | 01 cb 00 6e 00 28 01 e7 |.d.'...<|...n.(..|
|00006000| 00 5a 0a 50 6f 6c 6c 50 | 72 6f 63 20 20 00 00 a1 |.Z.PollP|roc  ...|
|00006010| 00 64 00 10 4f 4e 4c 4e | 00 64 07 32 01 c0 00 84 |.d..ONLN|.d.2....|
|00006020| 01 cb 00 98 00 29 48 04 | 65 71 75 20 00 a1 00 64 |.....)H.|equ ...d|
|00006030| 00 10 4f 4e 4c 4e 00 64 | 07 37 01 c0 00 a8 01 cb |..ONLN.d|.7......|
|00006040| 00 c6 00 29 24 06 24 31 | 33 45 20 20 00 a1 00 64 |...)$.$1|3E  ...d|
|00006050| 00 10 4f 4e 4c 4e 00 64 | 07 3e 01 c0 00 cc 01 cb |..ONLN.d|.>......|
|00006060| 01 7b 00 29 24 23 3b 20 | 53 43 43 20 70 6f 6c 6c |.{.)$#; |SCC poll|
|00006070| 20 64 61 74 61 20 70 72 | 6f 63 65 64 75 72 65 20 | data pr|ocedure |
|00006080| 5b 70 6f 69 6e 74 65 72 | 5d 00 00 a1 00 64 00 10 |[pointer|]....d..|
|00006090| 4f 4e 4c 4e 00 64 07 62 | 01 ca 00 3c 01 d5 00 50 |ONLN.d.b|...<...P|
|000060a0| 00 28 01 f1 00 5a 04 52 | 78 43 41 00 00 a1 00 64 |.(...Z.R|xCA....d|
|000060b0| 00 10 4f 4e 4c 4e 00 64 | 07 68 01 ca 00 84 01 d5 |..ONLN.d|.h......|
|000060c0| 00 93 00 29 48 03 65 71 | 75 00 00 a1 00 64 00 10 |...)H.eq|u....d..|
|000060d0| 4f 4e 4c 4e 00 64 07 6c | 01 ca 00 a8 01 d5 00 ad |ONLN.d.l|........|
|000060e0| 00 29 24 01 30 00 00 a1 | 00 64 00 10 4f 4e 4c 4e |.)$.0...|.d..ONLN|
|000060f0| 00 64 07 6e 01 ca 00 cc | 01 d5 01 cb 00 29 24 33 |.d.n....|.....)$3|
|00006100| 3b 20 42 69 74 20 7a 65 | 72 6f 20 6f 66 20 53 43 |; Bit ze|ro of SC|
|00006110| 43 20 52 52 30 20 69 6e | 64 69 63 61 74 65 73 20 |C RR0 in|dicates |
|00006120| 72 65 63 65 69 76 65 20 | 63 68 61 72 20 61 76 61 |receive |char ava|
|00006130| 69 6c 2e 00 00 a1 00 64 | 00 10 4f 4e 4c 4e 00 64 |il.....d|..ONLN.d|
|00006140| 07 a2 01 de 00 3c 01 e9 | 00 7d 00 28 02 05 00 5a |.....<..|.}.(...Z|
|00006150| 0d 49 6e 70 75 74 50 6f | 6c 6c 44 61 74 61 00 a1 |.InputPo|llData..|
|00006160| 00 64 00 10 4f 4e 4c 4e | 00 64 07 b0 01 f2 00 3c |.d..ONLN|.d.....<|
|00006170| 01 fd 00 5f 00 2a 14 07 | 6d 6f 76 65 61 2e 6c 00 |..._.*..|movea.l.|
|00006180| 00 a1 00 64 00 10 4f 4e | 4c 4e 00 64 07 b8 01 f2 |...d..ON|LN.d....|
|00006190| 00 84 01 fd 00 ac 00 29 | 48 08 28 73 70 29 2b 2c |.......)|H.(sp)+,|
|000061a0| 61 34 00 a1 00 64 00 10 | 4f 4e 4c 4e 00 64 07 c2 |a4...d..|ONLN.d..|
|000061b0| 01 f2 00 f0 01 fd 01 5e | 00 29 6c 16 3b 20 53 61 |.......^|.)l.; Sa|
|000061c0| 76 65 20 72 65 74 75 72 | 6e 20 61 64 64 72 65 73 |ve retur|n addres|
|000061d0| 73 2e 00 a1 00 64 00 10 | 4f 4e 4c 4e 00 64 07 d9 |s....d..|ONLN.d..|
|000061e0| 01 fc 00 3c 02 07 00 5f | 00 28 02 23 00 5a 07 6d |...<..._|.(.#.Z.m|
|000061f0| 6f 76 65 61 2e 6c 00 a1 | 00 64 00 10 4f 4e 4c 4e |ovea.l..|.d..ONLN|
|00006200| 00 64 07 e1 01 fc 00 84 | 02 07 00 c0 00 29 48 0c |.d......|.....)H.|
|00006210| 50 6f 6c 6c 53 74 61 63 | 6b 2c 61 33 00 a1 00 64 |PollStac|k,a3...d|
|00006220| 00 10 4f 4e 4c 4e 00 64 | 07 ef 01 fc 00 f0 02 07 |..ONLN.d|........|
|00006230| 01 bd 00 29 6c 29 3b 20 | 61 33 20 3d 20 70 74 72 |...)l); |a3 = ptr|
|00006240| 20 74 6f 20 62 65 67 69 | 6e 6e 69 6e 67 20 6f 66 | to begi|nning of|
|00006250| 20 64 61 74 61 20 6f 6e | 20 73 74 61 63 6b 2e 00 | data on| stack..|
|00006260| 00 a1 00 64 00 10 4f 4e | 4c 4e 00 64 08 19 02 10 |...d..ON|LN.d....|
|00006270| 00 3c 02 1b 01 a9 00 28 | 02 37 00 5a 49 3b 46 69 |.<.....(|.7.ZI;Fi|
|00006280| 72 73 74 20 65 6d 70 74 | 79 20 61 6c 6c 20 74 68 |rst empt|y all th|
|00006290| 65 20 64 61 74 61 20 66 | 72 6f 6d 20 74 68 65 20 |e data f|rom the |
|000062a0| 53 43 43 2e 20 54 68 69 | 73 20 6d 61 79 20 6e 6f |SCC. Thi|s may no|
|000062b0| 74 20 62 65 20 6e 65 65 | 64 65 64 2c 20 62 75 74 |t be nee|ded, but|
|000062c0| 20 69 74 20 69 73 00 a1 | 00 64 00 10 4f 4e 4c 4e | it is..|.d..ONLN|
|000062d0| 00 64 08 63 02 1a 00 3c | 02 25 01 a4 00 2a 0a 48 |.d.c...<|.%...*.H|
|000062e0| 3b 68 65 72 65 20 66 6f | 72 20 63 6f 6d 70 6c 65 |;here fo|r comple|
|000062f0| 74 65 6e 65 73 73 2e 20 | 54 68 65 20 64 72 69 76 |teness. |The driv|
|00006300| 65 72 73 20 74 68 61 74 | 20 77 69 6c 6c 20 75 73 |ers that| will us|
|00006310| 65 20 74 68 65 20 50 6f | 6c 6c 50 72 6f 63 20 6d |e the Po|llProc m|
|00006320| 65 63 68 61 6e 69 73 6d | 00 a1 00 64 00 10 4f 4e |echanism|...d..ON|
|00006330| 4c 4e 00 64 08 ac 02 24 | 00 3c 02 2f 01 a9 00 2a |LN.d...$|.<./...*|
|00006340| 0a 49 3b 77 69 6c 6c 20 | 61 6c 72 65 61 64 79 20 |.I;will |already |
|00006350| 68 61 76 65 20 73 69 6d | 69 6c 61 72 20 63 6f 64 |have sim|ilar cod|
|00006360| 65 20 74 6f 20 74 68 69 | 73 2c 20 73 6f 20 77 68 |e to thi|s, so wh|
|00006370| 65 74 68 65 72 20 79 6f | 75 20 69 6d 70 6c 65 6d |ether yo|u implem|
|00006380| 65 6e 74 20 74 68 69 73 | 20 6f 72 00 00 a1 00 64 |ent this| or....d|
|00006390| 00 10 4f 4e 4c 4e 00 64 | 08 f6 02 2e 00 3c 02 39 |..ONLN.d|.....<.9|
|000063a0| 01 a9 00 2a 0a 49 3b 6e | 6f 74 20 69 73 20 6d 6f |...*.I;n|ot is mo|
|000063b0| 72 65 20 6f 66 20 61 20 | 70 65 72 73 6f 6e 61 6c |re of a |personal|
|000063c0| 20 63 61 6c 6c 2e 20 4f | 75 72 20 72 65 63 6f 6d | call. O|ur recom|
|000063d0| 6d 65 6e 64 61 74 69 6f | 6e 20 69 73 20 74 68 61 |mendatio|n is tha|
|000063e0| 74 20 79 6f 75 20 74 72 | 79 20 74 6f 20 67 6f 00 |t you tr|y to go.|
|000063f0| 00 a1 00 64 00 10 4f 4e | 4c 4e 00 64 09 40 02 38 |...d..ON|LN.d.@.8|
+--------+-------------------------+-------------------------+--------+--------+