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MacOS 8.1

Win98

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|00000070| 00 00 00 00 00 00 00 00 | 00 00 81 81 ec e5 00 00 |........|........|
|00000080| 58 58 43 4d 44 20 28 65 | 58 74 65 72 6e 61 6c 20 |XXCMD (e|Xternal |
|00000090| 58 43 4d 44 29 20 69 73 | 20 61 6e 20 58 43 4d 44 |XCMD) is| an XCMD|
|000000a0| 20 77 68 69 63 68 20 68 | 65 6c 70 73 20 74 6f 20 | which h|elps to |
|000000b0| 6f 76 65 72 63 6f 6d 65 | 20 74 68 65 20 6c 69 6d |overcome| the lim|
|000000c0| 69 74 61 74 69 6f 6e 73 | 0d 6f 66 20 6e 6f 72 6d |itations|.of norm|
|000000d0| 61 6c 20 58 43 4d 44 73 | 2e 20 20 4e 6f 72 6d 61 |al XCMDs|.  Norma|
|000000e0| 6c 20 58 43 4d 44 73 20 | 63 61 6e 6e 6f 74 20 68 |l XCMDs |cannot h|
|000000f0| 61 76 65 20 67 6c 6f 62 | 61 6c 20 64 61 74 61 20 |ave glob|al data |
|00000100| 61 6e 64 20 6d 75 73 74 | 20 62 65 20 6c 65 73 73 |and must| be less|
|00000110| 0d 74 68 61 6e 20 33 32 | 4b 20 62 79 74 65 73 20 |.than 32|K bytes |
|00000120| 6c 6f 6e 67 2e 20 20 58 | 58 43 4d 44 20 67 65 74 |long.  X|XCMD get|
|00000130| 73 20 61 72 6f 75 6e 64 | 20 74 68 65 73 65 20 6c |s around| these l|
|00000140| 69 6d 69 74 61 74 69 6f | 6e 73 20 62 79 20 61 63 |imitatio|ns by ac|
|00000150| 74 69 6e 67 20 61 73 0d | 61 6e 20 69 6e 74 65 72 |ting as.|an inter|
|00000160| 66 61 63 65 20 62 65 74 | 77 65 65 6e 20 48 79 70 |face bet|ween Hyp|
|00000170| 65 72 43 61 72 64 20 61 | 6e 64 20 73 70 65 63 69 |erCard a|nd speci|
|00000180| 61 6c 6c 79 20 77 72 69 | 74 74 65 6e 20 61 70 70 |ally wri|tten app|
|00000190| 6c 69 63 61 74 69 6f 6e | 73 2e 20 0d 49 6e 73 74 |lication|s. .Inst|
|000001a0| 65 61 64 20 6f 66 20 62 | 65 69 6e 67 20 6c 61 75 |ead of b|eing lau|
|000001b0| 6e 63 68 65 64 20 62 79 | 20 74 68 65 20 4d 61 63 |nched by| the Mac|
|000001c0| 20 4f 53 2c 20 74 68 65 | 20 6e 65 77 20 58 58 43 | OS, the| new XXC|
|000001d0| 4d 44 73 20 61 72 65 20 | 6c 6f 61 64 65 64 20 69 |MDs are |loaded i|
|000001e0| 6e 74 6f 0d 48 79 70 65 | 72 43 61 72 64 73 20 65 |nto.Hype|rCards e|
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|00000200| 69 76 65 6e 20 74 68 65 | 69 72 20 6f 77 6e 20 22 |iven the|ir own "|
|00000210| 61 35 20 77 6f 72 6c 64 | 22 2e 0d 0d 54 68 65 20 |a5 world|"...The |
|00000220| 66 69 6c 65 20 78 78 63 | 6d 64 5f 73 68 65 6c 6c |file xxc|md_shell|
|00000230| 2e 63 20 74 61 6b 65 73 | 20 63 61 72 65 20 6f 66 |.c takes| care of|
|00000240| 20 6d 6f 73 74 20 6f 66 | 20 74 68 65 20 64 69 66 | most of| the dif|
|00000250| 66 69 63 75 6c 74 69 65 | 73 20 6f 66 0d 69 6e 74 |ficultie|s of.int|
|00000260| 65 72 66 61 63 69 6e 67 | 20 77 69 74 68 20 48 79 |erfacing| with Hy|
|00000270| 70 65 72 43 61 72 64 2e | 20 20 4d 6f 73 74 20 61 |perCard.|  Most a|
|00000280| 70 70 6c 69 63 61 74 69 | 6f 6e 73 20 77 69 6c 6c |pplicati|ons will|
|00000290| 20 6a 75 73 74 20 68 61 | 76 65 20 74 6f 20 77 72 | just ha|ve to wr|
|000002a0| 69 74 65 0d 74 68 65 20 | 74 77 6f 20 72 6f 75 74 |ite.the |two rout|
|000002b0| 69 6e 65 73 20 78 78 63 | 6d 64 5f 69 6e 69 74 28 |ines xxc|md_init(|
|000002c0| 29 20 61 6e 64 20 78 78 | 63 6d 64 5f 64 69 73 70 |) and xx|cmd_disp|
|000002d0| 61 74 63 68 28 29 20 61 | 6e 64 20 74 68 65 6e 20 |atch() a|nd then |
|000002e0| 6c 69 6e 6b 20 77 69 74 | 68 0d 78 78 63 6d 64 5f |link wit|h.xxcmd_|
|000002f0| 73 68 65 6c 6c 2e 63 2e | 6f 2e 20 20 78 78 63 6d |shell.c.|o.  xxcm|
|00000300| 64 5f 69 6e 69 74 28 29 | 20 69 73 20 63 61 6c 6c |d_init()| is call|
|00000310| 65 64 20 6f 6e 6c 79 20 | 6f 6e 63 65 20 77 68 65 |ed only |once whe|
|00000320| 6e 20 74 68 65 20 58 58 | 43 4d 44 20 69 73 0d 66 |n the XX|CMD is.f|
|00000330| 69 72 73 74 20 6c 6f 61 | 64 65 64 2e 20 20 78 78 |irst loa|ded.  xx|
|00000340| 63 6d 64 5f 64 69 73 70 | 61 74 63 68 28 29 20 69 |cmd_disp|atch() i|
|00000350| 73 20 74 68 65 20 72 6f | 75 74 69 6e 65 20 74 68 |s the ro|utine th|
|00000360| 61 74 20 73 68 6f 75 6c | 64 20 64 6f 20 74 68 65 |at shoul|d do the|
|00000370| 20 72 65 61 6c 0d 70 72 | 6f 63 65 73 73 69 6e 67 | real.pr|ocessing|
|00000380| 2e 0d 0d 54 68 65 72 65 | 20 69 73 20 6e 6f 20 64 |...There| is no d|
|00000390| 6f 63 75 6d 65 6e 74 61 | 74 69 6f 6e 20 61 74 20 |ocumenta|tion at |
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|000003c0| 69 6e 66 6f 72 6d 61 74 | 69 6f 6e 0d 69 73 20 74 |informat|ion.is t|
|000003d0| 68 65 20 73 6f 75 72 63 | 65 20 63 6f 64 65 2e 20 |he sourc|e code. |
|000003e0| 20 50 6c 65 61 73 65 20 | 74 72 79 20 74 6f 20 72 | Please |try to r|
|000003f0| 65 61 64 20 69 74 2e 20 | 20 49 66 20 79 6f 75 20 |ead it. | If you |
|00000400| 68 61 76 65 20 71 75 65 | 73 74 69 6f 6e 73 20 79 |have que|stions y|
|00000410| 6f 75 0d 63 61 6e 20 73 | 65 6e 64 20 6d 65 20 65 |ou.can s|end me e|
|00000420| 2d 6d 61 69 6c 2e 20 20 | 41 73 20 49 20 72 65 73 |-mail.  |As I res|
|00000430| 70 6f 6e 64 20 74 6f 20 | 6d 6f 72 65 20 61 6e 64 |pond to |more and|
|00000440| 20 6d 6f 72 65 20 71 75 | 65 73 74 69 6f 6e 73 20 | more qu|estions |
|00000450| 49 20 77 69 6c 6c 20 74 | 72 79 0d 74 6f 20 63 6f |I will t|ry.to co|
|00000460| 6c 6c 65 63 74 20 74 68 | 65 20 61 6e 73 77 65 72 |llect th|e answer|
|00000470| 73 20 69 6e 74 6f 20 61 | 20 6d 6f 72 65 20 73 74 |s into a| more st|
|00000480| 72 75 63 74 75 72 65 64 | 20 64 6f 63 75 6d 65 6e |ructured| documen|
|00000490| 74 2e 20 20 54 68 69 73 | 20 63 6f 64 65 20 69 73 |t.  This| code is|
|000004a0| 0d 6e 6f 74 20 79 65 74 | 20 6d 65 61 6e 74 20 74 |.not yet| meant t|
|000004b0| 6f 20 62 65 20 75 73 65 | 64 20 62 79 20 74 68 65 |o be use|d by the|
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|00000500| 79 70 65 72 43 61 72 64 | 27 73 20 6c 69 6d 69 74 |yperCard|'s limit|
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|00000530| 6d 62 65 72 20 69 73 20 | 74 68 61 74 20 61 35 20 |mber is |that a5 |
|00000540| 21 3d 20 43 75 72 72 65 | 6e 74 41 35 2c 20 73 6f |!= Curre|ntA5, so|
|00000550| 20 72 6f 75 74 69 6e 65 | 73 20 74 68 61 74 0d 64 | routine|s that.d|
|00000560| 65 70 65 6e 64 20 6f 6e | 20 61 35 20 28 6d 6f 73 |epend on| a5 (mos|
|00000570| 74 6c 79 20 51 75 69 63 | 6b 44 72 61 77 20 61 6e |tly Quic|kDraw an|
|00000580| 64 20 48 79 70 65 72 43 | 61 72 64 20 43 61 6c 6c |d HyperC|ard Call|
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|00000600| 20 74 6f 20 74 68 65 20 | 64 69 72 65 63 74 6f 72 | to the |director|
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|00000650| 74 6f 20 74 68 69 73 20 | 64 69 72 65 63 74 6f 72 |to this |director|
|00000660| 79 2e 0d 0d 0d 42 72 61 | 64 20 50 69 63 6b 65 72 |y....Bra|d Picker|
|00000670| 69 6e 67 0d 62 72 61 64 | 40 67 6f 62 69 2e 6a 70 |ing.brad|@gobi.jp|
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