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MacOS 8.1

Win98

DOS

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+--------+-------------------------+-------------------------+--------+--------+
|00000000| 5c 01 00 00 0b 00 00 00 | 01 00 00 00 ff ff 7f 00 |\.......|........|
|00000010| ff ff 7f 00 ff ff 7f 00 | ff ff 7f 00 ff ff 7f 00 |........|........|
|00000020| ff ff 7f 00 ff ff 7f 00 | ff ff 7f 00 ff ff 7f 00 |........|........|
|00000030| ff ff 7f 00 5c 01 00 00 | ff ff 7f 00 ff ff 7f 00 |....\...|........|
|00000040| ff ff 7f 00 5c 01 00 00 | ff ff 7f 00 ff ff 7f 00 |....\...|........|
|00000050| ff ff 7f 00 5c 01 00 00 | ff ff 7f 00 ff ff 7f 00 |....\...|........|
|00000060| ff ff 7f 00 01 00 00 00 | 01 00 00 00 00 00 00 00 |........|........|
|00000070| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000080| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000090| 00 00 00 00 00 00 00 00 | 01 00 00 00 00 00 00 00 |........|........|
|000000a0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000000b0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000000c0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000000d0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000000e0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000000f0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000100| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000110| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000120| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000130| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000140| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000150| 00 00 00 00 00 00 00 00 | 00 00 00 00 8c 06 00 00 |........|........|
|00000160| 0a 00 00 00 00 00 00 00 | c7 00 00 00 f0 ff ff ff |........|........|
|00000170| 18 00 00 00 bc ff ff ff | 77 01 00 00 f0 ff ff ff |........|w.......|
|00000180| 18 00 00 00 68 ff ff ff | 77 01 00 00 f0 ff ff ff |....h...|w.......|
|00000190| 68 00 00 00 20 00 00 00 | 6c ff ff ff 97 00 00 00 |h... ...|l.......|
|000001a0| 8c 06 00 00 ff ff 7f 00 | ff ff 7f 00 ff ff 7f 00 |........|........|
|000001b0| 8c 06 00 00 ff ff 7f 00 | 6c ff ff ff ff ff 7f 00 |........|l.......|
|000001c0| 02 00 00 00 2c 03 00 00 | 01 00 00 00 00 00 00 00 |....,...|........|
|000001d0| 20 00 00 00 b8 ff ff ff | 20 00 00 00 96 ff ff ff | .......| .......|
|000001e0| 6f 01 00 00 b8 ff ff ff | 20 00 00 00 96 ff ff ff |o.......| .......|
|000001f0| 6f 01 00 00 96 ff ff ff | 74 01 00 00 ff ff 7f 00 |o.......|t.......|
|00000200| ff ff 7f 00 ff ff 7f 00 | 74 01 00 00 ff ff 7f 00 |........|t.......|
|00000210| ff ff 7f 00 ff ff 7f 00 | 74 01 00 00 ff ff 7f 00 |........|t.......|
|00000220| 92 ff ff ff ff ff 7f 00 | 03 00 00 00 63 69 72 63 |........|....circ|
|00000230| 6c 65 73 00 65 61 73 65 | 00 00 00 00 00 00 00 00 |les.ease|........|
|00000240| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000250| 00 00 00 00 e9 01 00 00 | 00 00 00 00 09 00 00 00 |........|........|
|00000260| 00 00 00 00 14 00 00 00 | 65 76 65 6e 74 5f 61 74 |........|event_at|
|00000270| 74 61 63 68 6d 65 6e 75 | 00 00 00 00 3c 4c 69 3e |tachmenu|....<Li>|
|00000280| 04 04 00 10 a0 88 08 00 | bc 7f 08 00 14 00 00 00 |........|........|
|00000290| 65 76 65 6e 74 5f 61 74 | 74 61 63 68 6d 65 6e 75 |event_at|tachmenu|
|000002a0| 6d 61 6b 65 72 00 08 00 | 01 00 00 00 00 00 00 00 |maker...|........|
|000002b0| 14 00 00 00 65 76 65 6e | 74 5f 70 72 6f 63 65 73 |....even|t_proces|
|000002c0| 73 00 00 00 00 00 00 fa | 00 00 00 00 14 00 00 00 |s.......|........|
|000002d0| 65 76 65 6e 74 5f 61 6e | 79 77 69 6e 64 6f 77 73 |event_an|ywindows|
|000002e0| 00 00 00 00 68 00 00 00 | 14 00 00 00 65 76 65 6e |....h...|....even|
|000002f0| 74 5f 63 6c 65 61 72 5f | 63 75 72 72 65 6e 74 5f |t_clear_|current_|
|00000300| 6d 65 6e 75 2d 2d 20 54 | 68 69 73 20 70 72 6f 67 |menu-- T|his prog|
|00000310| 72 61 6d 20 69 73 20 61 | 20 64 65 6d 6f 6e 73 74 |ram is a| demonst|
|00000320| 72 61 74 69 6f 6e 20 6f | 66 20 61 20 74 65 63 68 |ration o|f a tech|
|00000330| 6e 69 71 75 65 20 6b 6e | 6f 77 6e 20 61 73 20 72 |nique kn|own as r|
|00000340| 65 63 75 72 73 69 6f 6e | 2e 20 41 20 72 65 63 75 |ecursion|. A recu|
|00000350| 72 73 69 76 65 20 70 72 | 6f 63 65 64 75 72 65 20 |rsive pr|ocedure |
|00000360| 69 73 20 6f 6e 65 20 77 | 68 69 63 68 20 63 61 6c |is one w|hich cal|
|00000370| 6c 73 20 69 74 73 65 6c | 66 2e 20 49 6e 20 74 68 |ls itsel|f. In th|
|00000380| 69 73 20 70 72 6f 67 72 | 61 6d 20 74 68 65 20 70 |is progr|am the p|
|00000390| 72 6f 63 65 64 75 72 65 | 20 64 72 61 77 63 69 72 |rocedure| drawcir|
|000003a0| 63 6c 65 20 64 72 61 77 | 73 20 61 20 63 69 72 63 |cle draw|s a circ|
|000003b0| 6c 65 20 61 74 20 74 68 | 65 20 73 70 65 63 69 66 |le at th|e specif|
|000003c0| 69 65 64 20 70 6f 73 69 | 74 69 6f 6e 20 77 69 74 |ied posi|tion wit|
|000003d0| 68 20 74 68 65 20 73 70 | 65 63 69 66 69 65 64 20 |h the sp|ecified |
|000003e0| 73 69 7a 65 2e 20 54 68 | 65 6e 2c 20 69 66 20 74 |size. Th|en, if t|
|000003f0| 68 65 20 73 69 7a 65 20 | 69 73 20 6e 6f 74 20 74 |he size |is not t|
|00000400| 6f 6f 20 73 6d 61 6c 6c | 20 69 74 20 63 61 6c 6c |oo small| it call|
|00000410| 73 20 69 74 73 65 6c 66 | 20 66 6f 75 72 20 74 69 |s itself| four ti|
|00000420| 6d 65 73 20 74 6f 20 64 | 72 61 77 20 66 6f 75 72 |mes to d|raw four|
|00000430| 20 68 61 6c 66 20 73 69 | 7a 65 20 63 69 72 63 6c | half si|ze circl|
|00000440| 65 73 2e 20 49 6e 20 74 | 68 65 20 65 6e 64 20 74 |es. In t|he end t|
|00000450| 68 65 20 64 72 61 77 63 | 69 72 63 6c 65 20 70 72 |he drawc|ircle pr|
|00000460| 6f 63 65 64 75 72 65 20 | 69 73 20 63 61 6c 6c 65 |ocedure |is calle|
|00000470| 64 20 68 75 6e 64 72 65 | 64 73 20 6f 66 20 74 69 |d hundre|ds of ti|
|00000480| 6d 65 73 2e 0a 70 72 6f | 63 65 64 75 72 65 20 63 |mes..pro|cedure c|
|00000490| 69 72 63 6c 65 73 0a 09 | 77 69 6e 64 6f 77 20 73 |ircles..|window s|
|000004a0| 69 7a 65 20 35 31 32 2c | 20 35 31 32 20 61 74 20 |ize 512,| 512 at |
|000004b0| 32 30 30 2c 20 32 30 30 | 20 63 6c 65 61 72 20 73 |200, 200| clear s|
|000004c0| 68 6f 77 0a 09 64 72 61 | 77 63 69 72 63 6c 65 28 |how..dra|wcircle(|
|000004d0| 32 35 36 2c 20 32 35 36 | 2c 20 32 35 36 29 0a 65 |256, 256|, 256).e|
|000004e0| 6e 64 20 70 72 6f 63 65 | 64 75 72 65 0a 22 20 63 |nd proce|dure." c|
|000004f0| f8 02 00 00 01 00 00 00 | 00 00 00 00 20 00 00 00 |........|.... ...|
|00000500| 92 ff ff ff 20 00 00 00 | 70 ff ff ff 6f 01 00 00 |.... ...|p...o...|
|00000510| 92 ff ff ff 20 00 00 00 | 70 ff ff ff 6f 01 00 00 |.... ...|p...o...|
|00000520| 70 ff ff ff 8c 01 00 00 | ff ff 7f 00 ff ff 7f 00 |p.......|........|
|00000530| ff ff 7f 00 8c 01 00 00 | ff ff 7f 00 ff ff 7f 00 |........|........|
|00000540| ff ff 7f 00 8c 01 00 00 | ff ff 7f 00 6c ff ff ff |........|....l...|
|00000550| ff ff 7f 00 04 00 00 00 | 64 72 61 77 63 69 72 63 |........|drawcirc|
|00000560| 6c 65 00 65 00 00 00 00 | 00 00 00 00 00 00 00 00 |le.e....|........|
|00000570| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000580| b8 01 00 00 1e 00 00 00 | 03 00 00 00 1d 00 00 00 |........|........|
|00000590| 6d 65 6e 75 5f 64 69 73 | 70 6f 73 65 00 00 00 ea |menu_dis|pose....|
|000005a0| f0 78 08 00 1d 00 00 00 | 6d 65 6e 75 5f 65 78 74 |.x......|menu_ext|
|000005b0| 65 6e 64 00 20 00 00 00 | 78 76 08 00 1d 00 00 00 |end. ...|xv......|
|000005c0| 6d 65 6e 75 5f 73 65 74 | 66 6c 61 67 73 00 00 fa |menu_set|flags...|
|000005d0| fc 8d 08 00 e8 7f 08 00 | 1d 00 00 00 6d 65 6e 75 |........|....menu|
|000005e0| 5f 6d 61 6b 65 5f 77 72 | 69 74 65 61 62 6c 65 00 |_make_wr|iteable.|
|000005f0| 00 00 00 fa 00 00 00 00 | 1d 00 00 00 6d 65 6e 75 |........|....menu|
|00000600| 5f 6d 61 6b 65 5f 73 70 | 72 69 74 65 00 8e 08 00 |_make_sp|rite....|
|00000610| 00 00 00 00 1d 00 00 00 | 6d 65 6e 75 5f 73 75 62 |........|menu_sub|
|00000620| 6d 65 6e 75 00 8e 08 00 | 00 00 00 00 1d 00 00 00 |menu....|........|
|00000630| 2d 2d 20 44 72 61 77 20 | 61 20 63 69 72 63 6c 65 |-- Draw |a circle|
|00000640| 2c 20 74 68 65 6e 20 72 | 65 63 75 72 73 69 76 65 |, then r|ecursive|
|00000650| 6c 79 20 64 72 61 77 20 | 66 6f 75 72 20 71 75 61 |ly draw |four qua|
|00000660| 72 74 65 72 20 63 69 72 | 63 6c 65 73 20 61 74 20 |rter cir|cles at |
|00000670| 74 68 65 20 63 6f 72 6e | 65 72 73 2e 0a 70 72 6f |the corn|ers..pro|
|00000680| 63 65 64 75 72 65 20 64 | 72 61 77 63 69 72 63 6c |cedure d|rawcircl|
|00000690| 65 28 78 2c 20 79 2c 20 | 72 2c 20 63 20 3d 20 30 |e(x, y, |r, c = 0|
|000006a0| 29 0a 69 66 20 63 20 3d | 20 30 20 74 68 65 6e 20 |).if c =| 0 then |
|000006b0| 67 6c 6f 62 61 6c 20 63 | 61 6c 6c 73 20 3d 20 30 |global c|alls = 0|
|000006c0| 0a 09 63 61 6c 6c 73 20 | 3d 20 63 61 6c 6c 73 20 |..calls |= calls |
|000006d0| 2b 20 31 0a 09 67 63 6f | 6c 20 63 20 6d 6f 64 20 |+ 1..gco|l c mod |
|000006e0| 37 20 2b 20 38 0a 09 63 | 69 72 63 6c 65 20 66 69 |7 + 8..c|ircle fi|
|000006f0| 6c 6c 20 78 2c 20 79 2c | 20 72 20 2f 20 32 0a 09 |ll x, y,| r / 2..|
|00000700| 69 66 20 72 20 3e 20 38 | 20 74 68 65 6e 0a 09 09 |if r > 8| then...|
|00000710| 64 72 61 77 63 69 72 63 | 6c 65 28 78 20 2d 20 72 |drawcirc|le(x - r|
|00000720| 20 2f 20 32 2c 20 79 20 | 2d 20 72 20 2f 20 32 2c | / 2, y |- r / 2,|
|00000730| 20 72 20 2f 20 32 2c 20 | 63 20 2b 20 31 29 0a 09 | r / 2, |c + 1)..|
|00000740| 09 64 72 61 77 63 69 72 | 63 6c 65 28 78 20 2b 20 |.drawcir|cle(x + |
|00000750| 72 20 2f 20 32 2c 20 79 | 20 2b 20 72 20 2f 20 32 |r / 2, y| + r / 2|
|00000760| 2c 20 72 20 2f 20 32 2c | 20 63 20 2b 20 31 29 0a |, r / 2,| c + 1).|
|00000770| 09 09 64 72 61 77 63 69 | 72 63 6c 65 28 78 20 2d |..drawci|rcle(x -|
|00000780| 20 72 20 2f 20 32 2c 20 | 79 20 2b 20 72 20 2f 20 | r / 2, |y + r / |
|00000790| 32 2c 20 72 20 2f 20 32 | 2c 20 63 20 2b 20 31 29 |2, r / 2|, c + 1)|
|000007a0| 0a 09 09 64 72 61 77 63 | 69 72 63 6c 65 28 78 20 |...drawc|ircle(x |
|000007b0| 2b 20 72 20 2f 20 32 2c | 20 79 20 2d 20 72 20 2f |+ r / 2,| y - r /|
|000007c0| 20 32 2c 20 72 20 2f 20 | 32 2c 20 63 20 2b 20 31 | 2, r / |2, c + 1|
|000007d0| 29 0a 09 65 6e 64 20 69 | 66 0a 65 6e 64 20 70 72 |)..end i|f.end pr|
|000007e0| 6f 63 65 64 75 72 65 0a |                         |ocedure.|        |
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