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MacOS 8.1

Win98

DOS

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+--------+-------------------------+-------------------------+--------+--------+
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|00000460| 00 1d 00 20 00 20 43 6f | 70 79 20 74 68 65 20 69 |... . Co|py the i|
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|00000500| 00 03 00 20 66 6f 72 20 | 6f 75 74 70 75 74 3a 00 |... for |output:.|
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|00000530| 00 3b 00 03 00 20 54 68 | 65 20 50 72 65 76 43 61 |.;... Th|e PrevCa|
|00000540| 72 52 65 74 75 72 6e 20 | 76 61 72 69 61 62 6c 65 |rReturn |variable|
|00000550| 20 69 73 20 61 20 66 6c | 61 67 20 74 68 61 74 20 | is a fl|ag that |
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|00000580| 20 74 68 65 20 70 72 6f | 67 72 61 6d 20 72 65 61 | the pro|gram rea|
|00000590| 64 73 20 61 20 63 61 72 | 72 69 61 67 65 2d 72 65 |ds a car|riage-re|
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|000005c0| 00 03 00 20 52 65 61 64 | 20 66 72 6f 6d 20 74 68 |... Read| from th|
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|000005e0| 69 6c 20 72 65 61 63 68 | 69 6e 67 00 0c 97 00 17 |il reach|ing.....|
|000005f0| 00 03 00 20 74 68 65 20 | 65 6e 64 20 6f 66 20 74 |... the |end of t|
|00000600| 68 65 20 66 69 6c 65 3a | 66 00 0c 64 05 15 01 47 |he file:|f..d...G|
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|00000630| 20 66 69 6c 65 2c 20 73 | 6f 20 72 65 61 64 20 61 | file, s|o read a|
|00000640| 20 63 68 61 72 61 63 74 | 65 72 3a 00 18 64 05 64 | charact|er:..d.d|
|00000650| 05 8a 00 23 01 0c 14 e7 | 00 00 00 00 18 0b 14 e7 |...#....|........|
|00000660| 00 74 00 12 04 00 00 00 | 24 0b 14 98 00 3b 00 97 |.t......|$....;..|
|00000670| 00 19 00 20 00 20 54 68 | 65 20 63 68 61 72 61 63 |... . Th|e charac|
|00000680| 74 65 72 20 69 73 20 61 | 20 43 52 2e 72 00 00 00 |ter is a| CR.r...|
|00000690| 30 97 00 27 00 0c 00 20 | 49 66 20 74 68 65 20 70 |0..'... |If the p|
|000006a0| 72 65 76 69 6f 75 73 20 | 63 68 61 72 61 63 74 65 |revious |characte|
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|000006c0| 00 25 00 0c 00 20 43 52 | 2c 20 70 75 74 20 61 20 |.%... CR|, put a |
|000006d0| 4c 46 20 62 65 66 6f 72 | 65 20 74 68 65 20 63 68 |LF befor|e the ch|
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|000006f0| 00 b6 04 00 40 0b 14 a5 | 00 0b 14 e7 00 00 01 0c |....@...|........|
|00000700| 14 e7 00 00 30 50 00 00 | 00 00 30 97 00 25 00 0c |....0P..|..0..%..|
|00000710| 00 20 49 6e 20 61 6e 79 | 20 63 61 73 65 2c 20 73 |. In any| case, s|
|00000720| 65 74 20 74 68 65 20 50 | 72 65 76 43 61 72 52 65 |et the P|revCarRe|
|00000730| 74 75 72 6e 20 00 30 97 | 00 14 00 0c 00 20 76 61 |turn .0.|..... va|
|00000740| 72 69 61 62 6c 65 20 74 | 6f 20 54 52 55 45 3a 00 |riable t|o TRUE:.|
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|00000760| 00 3b 00 97 00 19 00 20 | 00 20 54 68 65 20 63 68 |.;..... |. The ch|
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|00000780| 52 00 00 00 30 97 00 26 | 00 0c 00 20 49 66 20 74 |R...0..&|... If t|
|00000790| 68 65 20 70 72 65 76 69 | 6f 75 73 20 63 68 61 72 |he previ|ous char|
|000007a0| 61 63 74 65 72 20 77 61 | 73 20 6e 6f 74 20 61 00 |acter wa|s not a.|
|000007b0| 30 97 00 25 00 0c 00 20 | 43 52 2c 20 70 75 74 20 |0..%... |CR, put |
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|000007d0| 63 68 61 72 61 63 74 65 | 72 3a 61 00 30 0b 00 d6 |characte|r:a.0...|
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|000007f0| 00 00 01 0c 14 e7 00 00 | 30 50 00 00 00 00 30 97 |........|0P....0.|
|00000800| 00 25 00 0c 00 20 49 6e | 20 61 6e 79 20 63 61 73 |.%... In| any cas|
|00000810| 65 2c 20 73 65 74 20 74 | 68 65 20 50 72 65 76 43 |e, set t|he PrevC|
|00000820| 61 72 52 65 74 75 72 6e | 61 00 30 97 00 15 00 0c |arReturn|a.0.....|
|00000830| 00 20 76 61 72 69 61 62 | 6c 65 20 74 6f 20 46 41 |. variab|le to FA|
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|00000850| 00 00 24 3a 00 97 00 19 | 00 20 00 20 4e 65 69 74 |..$:....|. . Neit|
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|00000880| 20 74 68 65 20 70 72 65 | 76 69 6f 75 73 20 63 68 | the pre|vious ch|
|00000890| 61 72 61 63 74 65 72 20 | 77 61 73 20 61 20 43 52 |aracter |was a CR|
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|000008c0| 76 61 72 69 61 62 6c 65 | 20 74 6f 20 46 41 4c 53 |variable| to FALS|
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|00000930| 18 52 00 00 00 00 18 97 | 00 2a 00 06 00 20 57 72 |.R......|.*... Wr|
|00000940| 69 74 65 20 74 68 65 20 | 63 68 61 72 61 63 74 65 |ite the |characte|
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|00000ac0| 00 6d 01 01 00 59 22 03 | 01 64 00 3c 01 00 00 4e |.m...Y".|.d.<...N|
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|00000ae0| 00 20 45 72 72 6f 72 2d | 68 61 6e 64 6c 69 6e 67 |. Error-|handling|
|00000af0| 20 72 6f 75 74 69 6e 65 | 75 00 0c 23 00 65 01 35 | routine|u..#.e.5|
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|00000b10| 0c 97 00 3a 00 03 00 20 | 54 68 65 20 45 52 52 20 |...:... |The ERR |
|00000b20| 66 75 6e 63 74 69 6f 6e | 20 72 65 74 75 72 6e 73 |function| returns|
|00000b30| 20 74 68 65 20 65 72 72 | 6f 72 20 63 6f 64 65 20 | the err|or code |
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|00000c80| 18 3a 00 97 00 23 00 18 | 00 20 41 6e 20 75 6e 61 |.:...#..|. An una|
|00000c90| 6e 74 69 63 69 70 61 74 | 65 64 20 65 72 72 6f 72 |nticipat|ed error|
|00000ca0| 20 6f 63 63 75 72 72 65 | 64 3a 00 00 60 97 00 14 | occurre|d:..`...|
|00000cb0| 00 18 00 20 73 74 6f 70 | 20 74 68 65 20 70 72 6f |... stop| the pro|
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|00000cd0| 00 09 00 08 00 78 08 04 | 00 ff ff ff ff 7a 00 00 |.....x..|.....z..|
|00000ce0| 00 00 00 02 01 00 06 00 | 42 61 63 6b 75 70 02 05 |........|Backup..|
|00000cf0| b8 e2 01 00 00 1b 00 ff | ff c1 ff ff ff 00 00 97 |........|........|
|00000d00| 00 02 00 00 00 00 00 97 | 00 12 00 00 00 20 0d 19 |........|..... ..|
|00000d10| 3d 20 42 41 43 4b 55 50 | 24 20 0d 1a 3d 00 00 97 |= BACKUP|$ ..=...|
|00000d20| 00 3c 00 00 00 20 20 20 | 54 68 69 73 20 70 72 6f |.<...   |This pro|
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|00000d40| 20 66 69 6c 65 20 6e 61 | 6d 65 20 74 68 61 74 20 | file na|me that |
|00000d50| 63 6f 6e 73 69 73 74 73 | 20 6f 66 20 74 68 65 00 |consists| of the.|
|00000d60| 00 97 00 3c 00 00 00 20 | 20 20 62 61 73 65 20 6e |...<... |  base n|
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|00000d90| 67 20 62 65 66 6f 72 65 | 20 74 68 65 20 22 2e 22 |g before| the "."|
|00000da0| 29 00 00 97 00 1e 00 00 | 00 20 20 20 70 6c 75 73 |).......|.   plus|
|00000db0| 20 74 68 65 20 65 78 74 | 65 6e 73 69 6f 6e 20 22 | the ext|ension "|
|00000dc0| 2e 42 41 4b 22 00 00 97 | 00 06 00 00 00 20 0d 3c |.BAK"...|..... .<|
|00000dd0| 3d 00 00 97 00 02 00 00 | 00 00 00 58 00 0c 00 60 |=.......|...X...`|
|00000de0| 00 85 02 01 00 6a 00 00 | 02 05 00 00 00 00 0c 97 |.....j..|........|
|00000df0| 00 15 00 03 00 20 4c 6f | 6f 6b 20 66 6f 72 20 61 |..... Lo|ok for a|
|00000e00| 20 70 65 72 69 6f 64 3a | 3d 00 0c 0b 14 6a 00 6d | period:|=....j.m|
|00000e10| 01 01 00 2e 22 24 01 0c | 00 13 01 00 00 00 0c 97 |...."$..|........|
|00000e20| 00 2e 00 03 00 20 49 66 | 20 74 68 65 72 65 20 69 |..... If| there i|
|00000e30| 73 20 61 20 70 65 72 69 | 6f 64 2c 20 61 64 64 20 |s a peri|od, add |
|00000e40| 2e 42 41 4b 20 74 6f 20 | 74 68 65 20 62 61 73 65 |.BAK to |the base|
|00000e50| 3a 00 0c 0b 00 13 01 64 | 01 5f 01 61 00 c2 01 00 |:......d|._.a....|
|00000e60| 18 0b 14 6a 00 0b 00 13 | 01 64 05 77 01 2c 01 6d |...j....|.d.w.,.m|
|00000e70| 01 04 00 2e 42 41 4b 00 | 01 0c 14 60 00 00 00 00 |....BAK.|...`....|
|00000e80| 0c 97 00 29 00 03 00 20 | 4f 74 68 65 72 77 69 73 |...)... |Otherwis|
|00000e90| 65 2c 20 61 64 64 20 2e | 42 41 4b 20 74 6f 20 74 |e, add .|BAK to t|
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|00000eb0| 0c 49 00 da 01 00 18 0b | 14 6a 00 6d 01 04 00 2e |.I......|.j.m....|
|00000ec0| 42 41 4b 00 01 0c 14 60 | 00 00 0c 50 00 00 00 51 |BAK....`|...P...Q|
|00000ed0| 00 09 00 08 00 ff ff 04 | 00 ff ff ff ff 16 00 00 |........|........|
|00000ee0| 00 ff ff 02 0c 00 0d 00 | 49 6e 74 72 6f 64 75 63 |........|Introduc|
|00000ef0| 74 69 6f 6e 35 01 00 38 | 2e 03 00 00 1b 00 ff ff |tion5..8|........|
|00000f00| c1 ff ff ff 00 00 76 00 | 06 00 76 00 00 01 00 00 |......v.|..v.....|
|00000f10| 00 08 64 29 0c 00 20 01 | 00 08 6d 01 15 00 20 20 |..d).. .|..m...  |
|00000f20| 20 b8 f5 20 20 a6 e6 20 | 20 20 b1 b1 20 20 20 a8 | ..  .. |  ..   .|
|00000f30| ee 20 20 22 0c 14 25 01 | 00 08 65 01 50 00 0b 14 |.  "..%.|..e.P...|
|00000f40| 25 01 2d 01 05 a0 77 01 | 6e 01 64 09 60 01 0c 00 |%.-...w.|n.d.`...|
|00000f50| 2e 01 00 08 73 01 a3 00 | 00 08 73 01 64 01 73 01 |....s...|..s.d.s.|
|00000f60| 64 1d a4 00 04 00 00 08 | 73 01 64 0d 73 01 0b 00 |d.......|s.d.s...|
|00000f70| 2e 01 73 01 64 05 73 01 | 64 01 73 01 65 01 0c 00 |..s.d.s.|d.s.e...|
|00000f80| c1 00 0a 00 06 00 0b 14 | 25 01 96 00 00 08 73 01 |........|%.....s.|
|00000f90| 64 1d 73 01 64 01 a4 00 | 04 00 00 08 73 01 64 1d |d.s.d...|....s.d.|
|00000fa0| c1 00 02 00 00 08 0b 00 | 20 01 90 00 92 00 6d 01 |........| .....m.|
|00000fb0| 3e 00 a4 ba ae 65 bb a1 | a9 fa 20 20 20 3a 20 b3 |>....e..|..   : .|
|00000fc0| 6f ad d3 b5 7b a6 a1 a6 | 62 a5 bb a4 e5 c0 c9 aa |o...{...|b.......|
|00000fd0| ba a6 e6 a5 bd a5 5b a4 | 4a 27 c2 6b a6 ec 27 28 |......[.|J'.k..'(|
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|00000ff0| 96 00 00 08 0b 00 20 01 | 90 00 92 00 6d 01 29 00 |...... .|....m.).|
|00001000| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 a4 ce 27 |        |     ..'|
|00001010| b8 f5 a6 e6 27 28 4c 69 | 6e 65 2d 66 65 65 64 29 |....'(Li|ne-feed)|
|00001020| b1 b1 a8 ee b2 c5 b8 b9 | 2e 22 96 00 00 08 93 00 |........|."......|
|00001030| 00 08 0b 00 20 01 90 00 | 92 00 6d 01 0d 00 42 41 |.... ...|..m...BA|
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|00001060| 20 20 20 20 20 20 31 29 | 20 c0 c9 ae d7 bf f9 bb |      1)| .......|
|00001070| 7e b3 42 b2 7a 28 45 52 | 52 4f 52 20 48 41 4e 44 |~.B.z(ER|ROR HAND|
|00001080| 4c 49 4e 47 29 aa ba a7 | de a5 a9 2e 96 00 00 08 |LING)...|........|
|00001090| 0b 00 20 01 90 00 92 00 | 6d 01 2d 00 20 20 20 20 |.. .....|m.-.    |
|000010a0| 20 20 20 20 20 20 32 29 | 20 27 44 4f 2e 2e 2e 4c |      2)| 'DO...L|
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|000010c0| a8 cf a5 ce ae c9 be f7 | 2e 22 96 00 00 08 0b 00 |........|."......|
|000010d0| 20 01 90 00 92 00 6d 01 | 2d 00 20 20 20 20 20 20 | .....m.|-.      |
|000010e0| 20 20 20 20 33 29 20 27 | 44 4f 20 55 4e 54 49 4c |    3) '|DO UNTIL|
|000010f0| 2e 2e 2e 4c 4f 4f 50 27 | ab fc a5 4f aa ba a8 cf |...LOOP'|...O....|
|00001100| a5 ce ae c9 be f7 2e 22 | 96 00 00 08 0b 00 20 01 |......."|...... .|
|00001110| 90 00 92 00 6d 01 32 00 | 20 20 20 20 20 20 20 20 |....m.2.|        |
|00001120| 20 20 34 29 20 27 62 6c | 6f 63 6b 20 49 46 2e 2e |  4) 'bl|ock IF..|
|00001130| 2e 54 48 45 4e 2e 2e 2e | 45 4c 53 45 27 ab fc a5 |.THEN...|ELSE'...|
|00001140| 4f a8 cf a5 ce bd 64 a8 | d2 2e 96 00 00 08 0b 00 |O.....d.|........|
|00001150| 20 01 90 00 92 00 6d 01 | 34 00 20 20 20 20 20 20 | .....m.|4.      |
|00001160| 20 20 20 20 35 29 20 27 | 53 45 4c 45 43 54 20 43 |    5) '|SELECT C|
|00001170| 41 53 45 2e 2e 2e 45 4e | 44 20 53 45 4c 45 43 54 |ASE...EN|D SELECT|
|00001180| 27 ab fc a5 4f a8 cf a5 | ce bd 64 a8 d2 2e 96 00 |'...O...|..d.....|
|00001190| 00 08 0b 00 20 01 90 00 | 92 00 6d 01 2a 00 20 20 |.... ...|..m.*.  |
|000011a0| 20 20 20 20 20 20 20 20 | 36 29 20 c0 c9 ae d7 27 |        |6) ....'|
|000011b0| b6 7d b1 d2 2c 20 a6 73 | a8 fa 2c 20 c3 f6 b3 ac |.}.., .s|.., ....|
|000011c0| 27 aa ba a7 de a5 a9 2e | 96 00 00 08 73 01 65 01 |'.......|....s.e.|
|000011d0| 17 00 c1 00 02 00 00 08 | 0b 00 20 01 90 00 92 00 |........|.. .....|
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|000011f0| 20 bd d0 ab f6 a5 f4 b7 | 4e c1 e4 2c 20 b1 d2 b0 | .......|N.., ...|
|00001200| ca b5 7b a6 a1 20 2e 2e | 2e 20 95 00 93 00 00 08 |..{.. ..|. ......|
|00001210| 46 00 06 00 20 01 6d 01 | 00 00 03 01 64 00 18 03 |F... .m.|....d...|
|00001220| 00 00 51 00 09 00 08 00 | ff ff 04 00 ff ff ff ff |..Q.....|........|
|00001230| 18 00 00 00 ff ff 02 0c |                         |........|        |
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