home *** CD-ROM | disk | FTP | other *** search
| Unknown | 1991-06-23 | 1.6 KB |
open in: 
MacOS 8.1
|
Win98
|
DOS
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|
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| Confidence | Program | Detection | Match Type | Support
|
|---|
| 66%
| dexvert
| PMarc SFX Archive (archive/pmarcSFX)
| ext
| Supported |
| 1%
| dexvert
| Crackright Packed (archive/cackrightPacked)
| ext
| Unsupported |
| 1%
| dexvert
| COM-Pack Packed (archive/comPackPacked)
| ext
| Unsupported |
| 1%
| dexvert
| PMexe CP/M Packed (archive/pmexePacked)
| ext
| Unsupported |
| 1%
| dexvert
| PopCom Packed (archive/popComPacked)
| ext
| Unsupported |
| 1%
| dexvert
| TurboBat Packed (archive/turboBatPacked)
| ext
| Unsupported |
| 1%
| dexvert
| Atari executable MSX music (music/atariExecutableMSXMusic)
| ext
| Unsupported |
| 1%
| dexvert
| DIGIPAK audio driver (executable/digiPAKAudioDriver)
| ext
| Unsupported |
| 1%
| dexvert
| EICAR antivirus test file (other/eicarAntivirusTestFile)
| ext
| Unsupported |
| 100%
| file
| data
| default
| |
| 100%
| gt2
| DOS COM Executable Datei
| default (weak)
|
|
hex view+--------+-------------------------+-------------------------+--------+--------+
|00000000| a0 5c 00 8a 26 6c 00 8b | d8 05 40 40 3c 41 73 02 |.\..&l..|..@@<As.|
|00000010| b0 3f a2 2f 07 80 fc 41 | 73 02 b4 3f 88 26 6b 07 |.?./...A|s..?.&k.|
|00000020| 8a c3 e8 14 00 a3 4c 07 | 8a c7 e8 0c 00 a3 88 07 |......L.|........|
|00000030| b4 09 8d 16 5a 01 cd 21 | c3 8a e0 80 e4 f0 24 0f |....Z..!|......$.|
|00000040| b1 04 d2 ec 05 30 30 80 | fc 39 76 03 80 c4 07 3c |.....00.|.9v....<|
|00000050| 39 76 02 04 07 86 e0 c3 | 0d 0a 44 4f 53 20 50 52 |9v......|..DOS PR|
|00000060| 4f 47 52 41 4d 4d 45 52 | 53 2c 20 4e 4f 54 45 3a |OGRAMMER|S, NOTE:|
|00000070| 20 20 54 68 65 20 70 75 | 72 70 6f 73 65 20 6f 66 | The pu|rpose of|
|00000080| 20 74 68 69 73 20 70 72 | 6f 67 72 61 6d 20 69 73 | this pr|ogram is|
|00000090| 20 74 6f 20 64 65 6d 6f | 6e 73 74 72 61 74 65 20 | to demo|nstrate |
|000000a0| 61 20 62 75 67 20 49 0d | 0a 68 61 76 65 20 6e 6f |a bug I.|.have no|
|000000b0| 74 69 63 65 64 20 69 6e | 20 74 68 65 20 77 61 79 |ticed in| the way|
|000000c0| 20 4d 53 2d 44 4f 53 20 | 56 65 72 73 69 6f 6e 20 | MS-DOS |Version |
|000000d0| 35 2e 30 30 20 6c 6f 61 | 64 73 20 61 20 70 72 6f |5.00 loa|ds a pro|
|000000e0| 67 72 61 6d 20 69 6e 74 | 6f 20 61 6e 20 55 70 70 |gram int|o an Upp|
|000000f0| 65 72 0d 0a 4d 65 6d 6f | 72 79 20 42 6c 6f 63 6b |er..Memo|ry Block|
|00000100| 20 28 55 4d 42 29 2e 20 | 20 59 6f 75 20 6d 61 79 | (UMB). | You may|
|00000110| 20 77 61 6e 74 20 74 6f | 20 77 72 69 74 65 20 61 | want to| write a|
|00000120| 20 66 65 77 20 65 78 74 | 72 61 20 6c 69 6e 65 73 | few ext|ra lines|
|00000130| 20 6f 66 20 63 6f 64 65 | 20 74 6f 0d 0a 63 6f 6d | of code| to..com|
|00000140| 70 65 6e 73 61 74 65 20 | 66 6f 72 20 69 74 2e 20 |pensate |for it. |
|00000150| 20 48 65 72 65 20 69 73 | 20 77 68 61 74 20 68 61 | Here is| what ha|
|00000160| 70 70 65 6e 73 3a 20 20 | 57 68 65 6e 20 61 20 75 |ppens: |When a u|
|00000170| 73 65 72 20 65 6e 74 65 | 72 73 20 61 20 44 4f 53 |ser ente|rs a DOS|
|00000180| 20 63 6f 6d 6d 61 6e 64 | 0d 0a 66 6f 6c 6c 6f 77 | command|..follow|
|00000190| 65 64 20 69 6d 6d 65 64 | 69 61 74 65 6c 79 20 62 |ed immed|iately b|
|000001a0| 79 20 66 69 6c 65 6e 61 | 6d 65 73 20 6f 72 20 64 |y filena|mes or d|
|000001b0| 72 69 76 65 20 6c 65 74 | 74 65 72 73 20 69 6e 20 |rive let|ters in |
|000001c0| 74 68 65 20 66 6f 72 6d | 61 74 20 22 eb 3a 66 69 |the form|at ".:fi|
|000001d0| 6c 65 6e 61 6d 65 22 0d | 0a 28 69 2e 65 2e 20 64 |lename".|.(i.e. d|
|000001e0| 72 69 76 65 20 6c 65 74 | 74 65 72 20 66 6f 6c 6c |rive let|ter foll|
|000001f0| 6f 77 65 64 20 62 79 20 | 61 20 63 6f 6c 6f 6e 29 |owed by |a colon)|
|00000200| 2c 20 44 4f 53 20 69 73 | 20 73 75 70 70 6f 73 65 |, DOS is| suppose|
|00000210| 64 20 74 6f 20 65 6e 63 | 6f 64 65 20 65 61 63 68 |d to enc|ode each|
|00000220| 20 64 72 69 76 65 0d 0a | 6c 65 74 74 65 72 20 69 | drive..|letter i|
|00000230| 6e 20 74 68 65 20 62 79 | 74 65 73 20 61 74 20 6f |n the by|tes at o|
|00000240| 66 66 73 65 74 73 20 35 | 43 68 20 61 6e 64 20 36 |ffsets 5|Ch and 6|
|00000250| 43 68 2c 20 72 65 73 70 | 65 63 74 69 76 65 6c 79 |Ch, resp|ectively|
|00000260| 2c 20 69 6e 20 74 68 65 | 20 70 72 6f 67 72 61 6d |, in the| program|
|00000270| 0d 0a 73 65 67 6d 65 6e | 74 20 70 72 65 66 69 78 |..segmen|t prefix|
|00000280| 20 28 50 53 50 29 20 61 | 73 20 74 68 65 20 66 69 | (PSP) a|s the fi|
|00000290| 72 73 74 20 62 79 74 65 | 20 6f 66 20 61 6e 20 75 |rst byte| of an u|
|000002a0| 6e 6f 70 65 6e 65 64 20 | 46 43 42 2e 20 20 41 6e |nopened |FCB. An|
|000002b0| 20 65 6e 74 72 79 20 6f | 66 20 22 41 3a 22 20 69 | entry o|f "A:" i|
|000002c0| 73 0d 0a 73 75 70 70 6f | 73 65 64 20 74 6f 20 67 |s..suppo|sed to g|
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|000002e0| 22 20 79 69 65 6c 64 73 | 20 30 32 68 2c 20 61 6e |" yields| 02h, an|
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|00000300| 65 76 65 72 2c 20 77 68 | 65 6e 20 4d 53 2d 44 4f |ever, wh|en MS-DO|
|00000310| 53 0d 0a 56 65 72 73 69 | 6f 6e 20 35 2e 30 30 20 |S..Versi|on 5.00 |
|00000320| 69 73 20 72 75 6e 6e 69 | 6e 67 20 61 6e 64 20 79 |is runni|ng and y|
|00000330| 6f 75 72 20 70 72 6f 67 | 72 61 6d 20 68 61 73 20 |our prog|ram has |
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|00000350| 20 61 20 55 4d 42 20 75 | 73 69 6e 67 20 74 68 65 | a UMB u|sing the|
|00000360| 0d 0a 4c 4f 41 44 48 49 | 47 48 20 6f 72 20 4c 48 |..LOADHI|GH or LH|
|00000370| 20 63 6f 6d 6d 61 6e 64 | 2c 20 44 4f 53 20 66 61 | command|, DOS fa|
|00000380| 6c 6c 73 20 64 6f 77 6e | 2e 20 20 54 68 65 20 62 |lls down|. The b|
|00000390| 79 74 65 20 61 74 20 35 | 43 68 20 61 6c 77 61 79 |yte at 5|Ch alway|
|000003a0| 73 20 72 65 6d 61 69 6e | 73 20 61 20 7a 65 72 6f |s remain|s a zero|
|000003b0| 0d 0a 6e 6f 20 6d 61 74 | 74 65 72 20 77 68 61 74 |..no mat|ter what|
|000003c0| 2c 20 61 6e 64 20 74 68 | 65 20 62 79 74 65 20 61 |, and th|e byte a|
|000003d0| 74 20 36 43 68 20 69 73 | 20 63 6f 64 65 64 20 66 |t 6Ch is| coded f|
|000003e0| 6f 72 20 74 68 65 20 2a | 66 69 72 73 74 2a 20 64 |or the *|first* d|
|000003f0| 72 69 76 65 20 73 70 65 | 63 69 66 69 65 64 21 0d |rive spe|cified!.|
|00000400| 0a 28 49 66 20 79 6f 75 | 20 73 70 65 63 69 66 79 |.(If you| specify|
|00000410| 20 61 20 73 65 63 6f 6e | 64 20 64 72 69 76 65 2c | a secon|d drive,|
|00000420| 20 69 74 20 65 6e 64 73 | 20 75 70 20 77 68 6f 2d | it ends| up who-|
|00000430| 6b 6e 6f 77 73 2d 77 68 | 65 72 65 2e 29 20 20 49 |knows-wh|ere.) I|
|00000440| 66 20 79 6f 75 20 65 6e | 74 65 72 0d 0a 22 42 55 |f you en|ter.."BU|
|00000450| 47 54 45 53 54 20 61 3a | 20 62 3a 22 20 75 6e 64 |GTEST a:| b:" und|
|00000460| 65 72 20 44 4f 53 20 56 | 65 72 73 69 6f 6e 20 35 |er DOS V|ersion 5|
|00000470| 2e 30 30 2c 20 69 74 20 | 77 69 6c 6c 20 63 6f 72 |.00, it |will cor|
|00000480| 72 65 63 74 6c 79 20 72 | 65 74 75 72 6e 20 74 68 |rectly r|eturn th|
|00000490| 65 20 73 70 65 63 69 66 | 69 65 64 0d 0a 64 72 69 |e specif|ied..dri|
|000004a0| 76 65 73 2e 20 20 42 75 | 74 20 69 66 20 79 6f 75 |ves. Bu|t if you|
|000004b0| 20 65 6e 74 65 72 20 22 | 4c 4f 41 44 48 49 47 48 | enter "|LOADHIGH|
|000004c0| 20 42 55 47 54 45 53 54 | 20 61 3a 20 62 3a 22 20 | BUGTEST| a: b:" |
|000004d0| 69 6e 73 74 65 61 64 2c | 20 79 6f 75 27 6c 6c 20 |instead,| you'll |
|000004e0| 6e 6f 74 69 63 65 20 74 | 68 61 74 0d 0a 44 4f 53 |notice t|hat..DOS|
|000004f0| 20 72 65 70 6f 72 74 73 | 20 6e 6f 20 66 69 72 73 | reports| no firs|
|00000500| 74 20 64 72 69 76 65 20 | 61 6e 64 20 74 68 65 20 |t drive |and the |
|00000510| 77 72 6f 6e 67 20 73 65 | 63 6f 6e 64 20 64 72 69 |wrong se|cond dri|
|00000520| 76 65 2e 20 20 50 72 6f | 62 61 62 6c 79 20 6e 6f |ve. Pro|bably no|
|00000530| 62 6f 64 79 20 75 73 65 | 73 0d 0a 46 43 42 73 20 |body use|s..FCBs |
|00000540| 61 6e 79 6d 6f 72 65 2c | 20 62 75 74 20 74 68 6f |anymore,| but tho|
|00000550| 73 65 20 64 72 69 76 65 | 20 62 79 74 65 73 20 63 |se drive| bytes c|
|00000560| 6f 6d 65 20 69 6e 20 76 | 65 72 79 20 68 61 6e 64 |ome in v|ery hand|
|00000570| 79 20 73 6f 6d 65 74 69 | 6d 65 73 2e 20 20 47 72 |y someti|mes. Gr|
|00000580| 72 72 72 72 21 0d 0a 0d | 0a 20 20 20 20 20 20 20 |rrrr!...|. |
|00000590| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 | | |
|000005a0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 | | |
|000005b0| 20 20 20 20 2d 2d 20 4a | 65 72 72 79 20 4d 6f 6e | -- J|erry Mon|
|000005c0| 72 6f 65 2c 20 43 49 53 | 20 23 20 37 32 33 32 31 |roe, CIS| # 72321|
|000005d0| 2c 31 32 35 37 0d 0a 20 | 20 20 20 20 20 20 20 20 |,1257.. | |
|000005e0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 | | |
|000005f0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 | | |
|00000600| 20 20 20 20 20 4a 75 6e | 65 20 32 33 2c 20 31 39 | Jun|e 23, 19|
|00000610| 39 31 0d 0a 0d 0a 46 69 | 72 73 74 20 64 72 69 76 |91....Fi|rst driv|
|00000620| 65 20 73 70 65 63 69 66 | 69 65 64 3a 20 20 20 20 |e specif|ied: |
|00000630| 20 20 28 62 79 74 65 20 | 61 74 20 50 53 50 20 6f | (byte |at PSP o|
|00000640| 66 66 73 65 74 20 35 43 | 68 20 3d 20 30 30 68 29 |ffset 5C|h = 00h)|
|00000650| 0d 0a 53 65 63 6f 6e 64 | 20 64 72 69 76 65 20 73 |..Second| drive s|
|00000660| 70 65 63 69 66 69 65 64 | 3a 20 20 20 20 20 28 62 |pecified|: (b|
|00000670| 79 74 65 20 61 74 20 50 | 53 50 20 6f 66 66 73 65 |yte at P|SP offse|
|00000680| 74 20 36 43 68 20 3d 20 | 30 30 68 29 0d 0a 24 |t 6Ch = |00h)..$ |
+--------+-------------------------+-------------------------+--------+--------+
