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Mailbox/MIME Entity  |  1995-12-12  |  24.8 KB

open in: MacOS 8.1     |     Win98     |     DOS

view JSON data     |     view as text

This file was processed as: Mailbox/MIME Entity (archive/mbox).

You can browse this item here: CDROMFAQ.100

ConfidenceProgramDetectionMatch TypeSupport
100% dexvert Mailbox/MIME Entity (archive/mbox) magic Supported
100% dexvert Internet Message Format (text/imf) magic Supported
1% dexvert Text File (text/txt) fallback Supported
100% file Mailbox text, 1st line "From marcj@nando.net Wed Mar 1 17:51:03 1995", ASCII text default
100% TrID E-Mail message (Var. 2) default
100% checkBytes Printable ASCII default
100% perlTextCheck Likely Text (Perl) default
100% siegfried x-fmt/111 Plain Text File default
100% detectItEasy Format: plain text[LF] default (weak)
100% xdgMime application/mbox default



hex view
+--------+-------------------------+-------------------------+--------+--------+
|00000000| 46 72 6f 6d 20 6d 61 72 | 63 6a 40 6e 61 6e 64 6f |From mar|cj@nando|
|00000010| 2e 6e 65 74 20 57 65 64 | 20 4d 61 72 20 20 31 20 |.net Wed| Mar 1 |
|00000020| 31 37 3a 35 31 3a 30 33 | 20 31 39 39 35 0a 46 72 |17:51:03| 1995.Fr|
|00000030| 6f 6d 3a 20 6d 61 72 63 | 6a 40 6e 61 6e 64 6f 2e |om: marc|j@nando.|
|00000040| 6e 65 74 20 28 4d 61 72 | 63 4a 29 0a 4e 65 77 73 |net (Mar|cJ).News|
|00000050| 67 72 6f 75 70 73 3a 20 | 63 6f 6d 70 2e 6f 73 2e |groups: |comp.os.|
|00000060| 6d 73 64 6f 73 2e 70 72 | 6f 67 72 61 6d 6d 65 72 |msdos.pr|ogrammer|
|00000070| 0a 53 75 62 6a 65 63 74 | 3a 20 43 44 2d 52 4f 4d |.Subject|: CD-ROM|
|00000080| 20 46 41 51 0a 44 61 74 | 65 3a 20 31 39 20 46 65 | FAQ.Dat|e: 19 Fe|
|00000090| 62 20 31 39 39 35 20 32 | 33 3a 31 38 3a 35 30 20 |b 1995 2|3:18:50 |
|000000a0| 2d 30 35 30 30 0a 4f 72 | 67 61 6e 69 7a 61 74 69 |-0500.Or|ganizati|
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|00000170| 44 2d 52 4f 4d 20 70 72 | 6f 67 72 61 6d 6d 69 6e |D-ROM pr|ogrammin|
|00000180| 67 20 46 41 51 20 56 65 | 72 73 69 6f 6e 20 31 2e |g FAQ Ve|rsion 1.|
|00000190| 30 30 0a 0a 43 6f 70 79 | 72 69 67 68 74 20 28 43 |00..Copy|right (C|
|000001a0| 29 20 31 39 39 35 20 62 | 79 20 4d 61 72 63 75 73 |) 1995 b|y Marcus|
|000001b0| 20 57 2e 20 4a 6f 68 6e | 73 6f 6e 2e 20 41 6c 6c | W. John|son. All|
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|00000320| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 0a 0a 53 |--------|-----..S|
|00000330| 65 63 74 69 6f 6e 20 30 | 20 2d 20 41 76 61 69 6c |ection 0| - Avail|
|00000340| 61 62 69 6c 69 74 79 0a | 20 30 2e 30 31 2e 20 48 |ability.| 0.01. H|
|00000350| 6f 77 20 63 61 6e 20 49 | 20 67 65 74 20 74 68 65 |ow can I| get the|
|00000360| 20 6c 61 74 65 73 74 20 | 63 6f 70 79 20 6f 66 20 | latest |copy of |
|00000370| 74 68 69 73 20 46 41 51 | 3f 0a 53 65 63 74 69 6f |this FAQ|?.Sectio|
|00000380| 6e 20 31 20 2d 20 4d 53 | 43 44 45 58 20 53 74 61 |n 1 - MS|CDEX Sta|
|00000390| 74 75 73 0a 20 31 2e 30 | 31 2e 20 48 6f 77 20 64 |tus. 1.0|1. How d|
|000003a0| 6f 20 49 20 6b 6e 6f 77 | 20 69 66 20 4d 53 43 44 |o I know| if MSCD|
|000003b0| 45 58 20 69 73 20 69 6e | 73 74 61 6c 6c 65 64 3f |EX is in|stalled?|
|000003c0| 0a 20 31 2e 30 32 2e 20 | 48 6f 77 20 64 6f 20 49 |. 1.02. |How do I|
|000003d0| 20 64 65 74 65 72 6d 69 | 6e 65 20 74 68 65 20 4d | determi|ne the M|
|000003e0| 53 43 44 45 58 20 76 65 | 72 73 69 6f 6e 3f 0a 53 |SCDEX ve|rsion?.S|
|000003f0| 65 63 74 69 6f 6e 20 32 | 20 2d 20 43 44 2d 52 4f |ection 2| - CD-RO|
|00000400| 4d 20 45 78 69 73 74 65 | 6e 63 65 0a 20 32 2e 30 |M Existe|nce. 2.0|
|00000410| 31 2e 20 48 6f 77 20 6d | 61 6e 79 20 43 44 2d 52 |1. How m|any CD-R|
|00000420| 4f 4d 73 20 61 72 65 20 | 70 72 65 73 65 6e 74 3f |OMs are |present?|
|00000430| 0a 20 32 2e 30 32 2e 20 | 57 68 69 63 68 20 64 72 |. 2.02. |Which dr|
|00000440| 69 76 65 73 20 61 72 65 | 20 43 44 2d 52 4f 4d 73 |ives are| CD-ROMs|
|00000450| 3f 0a 20 32 2e 30 33 2e | 20 48 6f 77 20 64 6f 20 |?. 2.03.| How do |
|00000460| 49 20 67 65 74 20 74 68 | 65 20 6e 61 6d 65 20 6f |I get th|e name o|
|00000470| 66 20 74 68 65 20 43 44 | 2d 52 4f 4d 20 64 65 76 |f the CD|-ROM dev|
|00000480| 69 63 65 20 64 72 69 76 | 65 72 3f 0a 53 65 63 74 |ice driv|er?.Sect|
|00000490| 69 6f 6e 20 33 20 2d 20 | 44 72 69 76 65 20 49 6e |ion 3 - |Drive In|
|000004a0| 74 65 72 66 61 63 65 0a | 20 33 2e 30 31 2e 20 48 |terface.| 3.01. H|
|000004b0| 6f 77 20 64 6f 20 49 20 | 6f 70 65 6e 20 74 68 65 |ow do I |open the|
|000004c0| 20 64 6f 6f 72 3f 0a 20 | 33 2e 30 32 2e 20 48 6f | door?. |3.02. Ho|
|000004d0| 77 20 64 6f 20 49 20 63 | 6c 6f 73 65 20 74 68 65 |w do I c|lose the|
|000004e0| 20 64 6f 6f 72 3f 0a 20 | 33 2e 30 33 2e 20 48 6f | door?. |3.03. Ho|
|000004f0| 77 20 64 6f 20 49 20 75 | 6e 6c 6f 63 6b 20 74 68 |w do I u|nlock th|
|00000500| 65 20 64 6f 6f 72 3f 0a | 20 33 2e 30 34 2e 20 48 |e door?.| 3.04. H|
|00000510| 6f 77 20 64 6f 20 49 20 | 6c 6f 63 6b 20 74 68 65 |ow do I |lock the|
|00000520| 20 64 6f 6f 72 3f 0a 20 | 33 2e 30 35 2e 20 48 6f | door?. |3.05. Ho|
|00000530| 77 20 64 6f 20 49 20 72 | 65 73 65 74 20 74 68 65 |w do I r|eset the|
|00000540| 20 64 72 69 76 65 3f 0a | 20 33 2e 30 36 2e 20 48 | drive?.| 3.06. H|
|00000550| 6f 77 20 64 6f 20 49 20 | 67 65 74 20 64 72 69 76 |ow do I |get driv|
|00000560| 65 20 73 74 61 74 75 73 | 3f 0a 53 65 63 74 69 6f |e status|?.Sectio|
|00000570| 6e 20 34 20 2d 20 44 72 | 69 76 65 20 43 61 70 61 |n 4 - Dr|ive Capa|
|00000580| 63 69 74 79 0a 20 34 2e | 30 31 2e 20 57 68 61 74 |city. 4.|01. What|
|00000590| 20 73 65 63 74 6f 72 20 | 73 69 7a 65 20 69 73 20 | sector |size is |
|000005a0| 73 75 70 70 6f 72 74 65 | 64 3f 0a 20 34 2e 30 32 |supporte|d?. 4.02|
|000005b0| 2e 20 48 6f 77 20 6d 61 | 6e 79 20 73 65 63 74 6f |. How ma|ny secto|
|000005c0| 72 73 20 61 72 65 20 6f | 6e 20 74 68 65 20 64 69 |rs are o|n the di|
|000005d0| 73 6b 3f 0a 20 34 2e 30 | 33 2e 20 48 6f 77 20 6d |sk?. 4.0|3. How m|
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|00000600| 20 35 20 2d 20 56 6f 6c | 75 6d 65 20 54 61 62 6c | 5 - Vol|ume Tabl|
|00000610| 65 20 6f 66 20 43 6f 6e | 74 65 6e 74 73 0a 20 35 |e of Con|tents. 5|
|00000620| 2e 30 31 2e 20 48 6f 77 | 20 64 6f 20 49 20 67 65 |.01. How| do I ge|
|00000630| 74 20 74 68 65 20 61 62 | 73 74 72 61 63 74 20 66 |t the ab|stract f|
|00000640| 69 6c 65 20 6e 61 6d 65 | 3f 0a 20 35 2e 30 32 2e |ile name|?. 5.02.|
|00000650| 20 48 6f 77 20 64 6f 20 | 49 20 67 65 74 20 74 68 | How do |I get th|
|00000660| 65 20 62 69 62 6c 69 6f | 67 72 61 70 68 79 20 66 |e biblio|graphy f|
|00000670| 69 6c 65 20 6e 61 6d 65 | 3f 0a 20 35 2e 30 33 2e |ile name|?. 5.03.|
|00000680| 20 48 6f 77 20 64 6f 20 | 49 20 67 65 74 20 74 68 | How do |I get th|
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|000006a0| 20 6e 61 6d 65 3f 0a 20 | 35 2e 30 34 2e 20 48 6f | name?. |5.04. Ho|
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|000006c0| 56 6f 6c 75 6d 65 20 54 | 61 62 6c 65 20 6f 66 20 |Volume T|able of |
|000006d0| 43 6f 6e 74 65 6e 74 73 | 20 28 56 54 4f 43 29 3f |Contents| (VTOC)?|
|000006e0| 0a 53 65 63 74 69 6f 6e | 20 36 20 2d 20 41 75 64 |.Section| 6 - Aud|
|000006f0| 69 6f 0a 20 36 2e 30 31 | 2e 20 48 6f 77 20 64 6f |io. 6.01|. How do|
|00000700| 20 49 20 66 69 6e 64 20 | 6f 75 74 20 68 6f 77 20 | I find |out how |
|00000710| 6d 61 6e 79 20 74 72 61 | 63 6b 73 20 61 72 65 20 |many tra|cks are |
|00000720| 6f 6e 20 61 20 43 44 3f | 0a 20 36 2e 30 32 2e 20 |on a CD?|. 6.02. |
|00000730| 57 68 61 74 20 61 72 65 | 20 52 65 64 20 42 6f 6f |What are| Red Boo|
|00000740| 6b 20 61 6e 64 20 48 53 | 47 20 66 6f 72 6d 61 74 |k and HS|G format|
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|00000760| 6e 20 49 20 64 65 74 65 | 72 6d 69 6e 65 20 77 68 |n I dete|rmine wh|
|00000770| 65 72 65 20 61 20 70 61 | 72 74 69 63 75 6c 61 72 |ere a pa|rticular|
|00000780| 20 74 72 61 63 6b 20 73 | 74 61 72 74 73 3f 0a 20 | track s|tarts?. |
|00000790| 36 2e 30 34 2e 20 48 6f | 77 20 64 6f 20 49 20 70 |6.04. Ho|w do I p|
|000007a0| 6c 61 79 20 61 75 64 69 | 6f 3f 0a 20 36 2e 30 35 |lay audi|o?. 6.05|
|000007b0| 2e 20 48 6f 77 20 64 6f | 20 49 20 70 61 75 73 65 |. How do| I pause|
|000007c0| 20 61 75 64 69 6f 20 70 | 6c 61 79 62 61 63 6b 3f | audio p|layback?|
|000007d0| 0a 20 36 2e 30 36 2e 20 | 48 6f 77 20 64 6f 20 49 |. 6.06. |How do I|
|000007e0| 20 72 65 73 75 6d 65 20 | 61 75 64 69 6f 20 70 6c | resume |audio pl|
|000007f0| 61 79 62 61 63 6b 3f 0a | 0a 3d 3d 3d 3d 3d 3d 3d |ayback?.|.=======|
|00000800| 3d 3d 3d 3d 3d 3d 3d 3d | 3d 3d 3d 3d 3d 3d 3d 3d |========|========|
|00000810| 3d 3d 3d 3d 3d 3d 3d 3d | 3d 3d 3d 3d 3d 3d 3d 3d |========|========|
|00000820| 3d 3d 3d 3d 3d 3d 3d 3d | 3d 3d 3d 3d 3d 3d 3d 3d |========|========|
|00000830| 3d 3d 3d 3d 3d 3d 3d 3d | 3d 3d 3d 3d 3d 3d 3d 0a |========|=======.|
|00000840| 53 65 63 74 69 6f 6e 20 | 30 20 2d 20 41 64 6d 69 |Section |0 - Admi|
|00000850| 6e 69 73 74 72 61 74 69 | 6f 6e 0a 2d 2d 2d 2d 2d |nistrati|on.-----|
|00000860| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00000870| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00000880| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00000890| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|000008a0| 2d 0a 30 2e 30 31 2e 20 | 48 6f 77 20 63 61 6e 20 |-.0.01. |How can |
|000008b0| 49 20 67 65 74 20 74 68 | 65 20 6c 61 74 65 73 74 |I get th|e latest|
|000008c0| 20 63 6f 70 79 20 6f 66 | 20 74 68 69 73 20 46 41 | copy of| this FA|
|000008d0| 51 3f 0a 0a 20 20 20 20 | 20 20 54 68 65 20 46 41 |Q?.. | The FA|
|000008e0| 51 20 69 73 20 70 75 62 | 6c 69 73 68 65 64 20 6d |Q is pub|lished m|
|000008f0| 6f 6e 74 68 6c 79 20 69 | 6e 20 63 6f 6d 70 2e 6f |onthly i|n comp.o|
|00000900| 73 2e 6d 73 64 6f 73 2e | 70 72 6f 67 72 61 6d 6d |s.msdos.|programm|
|00000910| 69 6e 67 20 61 6e 64 0a | 20 20 20 20 20 20 61 6c |ing and.| al|
|00000920| 74 2e 6d 73 64 6f 73 2e | 70 72 6f 67 72 61 6d 6d |t.msdos.|programm|
|00000930| 65 72 2e 0a 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |er..----|--------|
|00000940| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00000950| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00000960| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00000970| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 0a 30 2e 30 32 2e |--------|--.0.02.|
|00000980| 20 57 68 65 72 65 20 64 | 69 64 20 74 68 69 73 20 | Where d|id this |
|00000990| 69 6e 66 6f 72 6d 61 74 | 69 6f 6e 20 63 6f 6d 65 |informat|ion come|
|000009a0| 20 66 72 6f 6d 3f 0a 0a | 20 20 20 20 20 20 52 61 | from?..| Ra|
|000009b0| 6c 66 20 42 72 6f 77 6e | 27 73 20 69 6e 74 65 72 |lf Brown|'s inter|
|000009c0| 72 75 70 74 20 6c 69 73 | 74 0a 20 20 20 20 20 20 |rupt lis|t. |
|000009d0| 22 4d 53 2d 44 4f 53 20 | 45 78 74 65 6e 73 69 6f |"MS-DOS |Extensio|
|000009e0| 6e 73 22 2c 20 62 79 20 | 52 61 79 20 44 75 6e 63 |ns", by |Ray Dunc|
|000009f0| 61 6e 2c 20 4d 69 63 72 | 6f 73 6f 66 74 20 50 72 |an, Micr|osoft Pr|
|00000a00| 65 73 73 0a 20 20 20 20 | 20 20 4d 79 20 70 65 72 |ess. | My per|
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|00000a20| 6f 72 20 22 50 43 2d 50 | 72 6f 67 72 61 6d 6d 65 |or "PC-P|rogramme|
|00000a30| 72 27 73 20 47 75 69 64 | 65 20 74 6f 20 4c 6f 77 |r's Guid|e to Low|
|00000a40| 2d 4c 65 76 65 6c 0a 20 | 20 20 20 20 20 46 75 6e |-Level. | Fun|
|00000a50| 63 74 69 6f 6e 73 20 61 | 6e 64 20 49 6e 74 65 72 |ctions a|nd Inter|
|00000a60| 72 75 70 74 73 22 2c 20 | 53 61 6d 73 0a 20 20 20 |rupts", |Sams. |
|00000a70| 20 20 20 54 68 65 20 6d | 65 6e 74 69 6f 6e 20 6f | The m|ention o|
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|00000ab0| 72 75 65 64 0a 20 20 20 | 20 20 20 74 6f 20 72 65 |rued. | to re|
|00000ac0| 66 6c 65 63 74 20 75 6e | 66 61 76 6f 72 61 62 6c |flect un|favorabl|
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|00000ae0| 65 20 6e 6f 74 20 6d 65 | 6e 74 69 6f 6e 65 64 2e |e not me|ntioned.|
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|00000b10| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00000b20| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00000b30| 2d 2d 2d 2d 2d 2d 2d 0a | 30 2e 30 33 2e 20 48 6f |-------.|0.03. Ho|
|00000b40| 77 20 61 63 63 75 72 61 | 74 65 20 69 73 20 74 68 |w accura|te is th|
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|00000b60| 0a 20 20 20 20 20 20 49 | 20 68 61 76 65 20 70 65 |. I| have pe|
|00000b70| 72 73 6f 6e 61 6c 6c 79 | 20 74 65 73 74 65 64 20 |rsonally| tested |
|00000b80| 74 68 65 20 63 6f 64 65 | 20 66 72 61 67 6d 65 6e |the code| fragmen|
|00000b90| 74 73 20 69 6e 20 74 68 | 69 73 20 46 41 51 2c 20 |ts in th|is FAQ, |
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|00000bb0| 70 70 65 61 72 20 74 6f | 20 77 6f 72 6b 20 61 73 |ppear to| work as|
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|00000bf0| 68 65 20 63 6f 64 65 20 | 6f 72 20 6f 6e 20 74 68 |he code |or on th|
|00000c00| 65 20 74 65 63 68 6e 69 | 71 75 65 73 20 64 65 73 |e techni|ques des|
|00000c10| 63 72 69 62 65 64 20 69 | 6e 20 74 68 69 73 20 61 |cribed i|n this a|
|00000c20| 72 74 69 63 6c 65 2e 0a | 20 20 20 20 20 20 41 73 |rticle..| As|
|00000c30| 20 74 65 73 74 69 6e 67 | 20 6d 61 79 20 6e 6f 74 | testing| may not|
|00000c40| 20 68 61 76 65 20 62 65 | 65 6e 20 70 65 72 66 65 | have be|en perfe|
|00000c50| 63 74 2c 20 61 6e 64 20 | 6d 61 63 68 69 6e 65 73 |ct, and |machines|
|00000c60| 20 61 6e 64 0a 20 20 20 | 20 20 20 63 6f 6e 66 69 | and. | confi|
|00000c70| 67 75 72 61 74 69 6f 6e | 73 20 76 61 72 79 2c 20 |guration|s vary, |
|00000c80| 69 74 20 69 73 20 70 6f | 73 73 69 62 6c 65 20 74 |it is po|ssible t|
|00000c90| 68 61 74 20 74 68 65 20 | 66 72 61 67 6d 65 6e 74 |hat the |fragment|
|00000ca0| 73 20 77 69 6c 6c 20 6e | 6f 74 0a 20 20 20 20 20 |s will n|ot. |
|00000cb0| 20 77 6f 72 6b 20 66 6f | 72 20 79 6f 75 2e 0a 20 | work fo|r you.. |
|00000cc0| 20 20 20 20 20 50 6c 65 | 61 73 65 20 73 65 6e 64 | Ple|ase send|
|00000cd0| 20 63 6f 72 72 65 63 74 | 69 6f 6e 73 20 74 6f 20 | correct|ions to |
|00000ce0| 6d 61 72 63 6a 40 6e 61 | 6e 64 6f 2e 6e 65 74 2e |marcj@na|ndo.net.|
|00000cf0| 0a 3d 3d 3d 3d 3d 3d 3d | 3d 3d 3d 3d 3d 3d 3d 3d |.=======|========|
|00000d00| 3d 3d 3d 3d 3d 3d 3d 3d | 3d 3d 3d 3d 3d 3d 3d 3d |========|========|
|00000d10| 3d 3d 3d 3d 3d 3d 3d 3d | 3d 3d 3d 3d 3d 3d 3d 3d |========|========|
|00000d20| 3d 3d 3d 3d 3d 3d 3d 3d | 3d 3d 3d 3d 3d 3d 3d 3d |========|========|
|00000d30| 3d 3d 3d 3d 3d 3d 3d 0a | 53 65 63 74 69 6f 6e 20 |=======.|Section |
|00000d40| 31 20 2d 20 4d 53 43 44 | 45 58 20 53 74 61 74 75 |1 - MSCD|EX Statu|
|00000d50| 73 0a 3d 3d 3d 3d 3d 3d | 3d 3d 3d 3d 3d 3d 3d 3d |s.======|========|
|00000d60| 3d 3d 3d 3d 3d 3d 3d 3d | 3d 3d 3d 3d 3d 3d 3d 3d |========|========|
|00000d70| 3d 3d 3d 3d 3d 3d 3d 3d | 3d 3d 3d 3d 3d 3d 3d 3d |========|========|
|00000d80| 3d 3d 3d 3d 3d 3d 3d 3d | 3d 3d 3d 3d 3d 3d 3d 3d |========|========|
|00000d90| 3d 3d 3d 3d 3d 3d 3d 3d | 0a 31 2e 30 31 2e 20 48 |========|.1.01. H|
|00000da0| 6f 77 20 64 6f 20 49 20 | 6b 6e 6f 77 20 69 66 20 |ow do I |know if |
|00000db0| 4d 53 43 44 45 58 20 69 | 73 20 69 6e 73 74 61 6c |MSCDEX i|s instal|
|00000dc0| 6c 65 64 3f 0a 0a 20 20 | 20 20 20 20 43 61 6c 6c |led?.. | Call|
|00000dd0| 20 74 68 65 20 4d 53 43 | 44 45 58 20 69 6e 73 74 | the MSC|DEX inst|
|00000de0| 61 6c 6c 61 74 69 6f 6e | 20 63 68 65 63 6b 20 66 |allation| check f|
|00000df0| 75 6e 63 74 69 6f 6e 2e | 20 48 65 72 65 27 73 20 |unction.| Here's |
|00000e00| 63 6f 64 65 20 74 68 61 | 74 0a 20 20 20 20 20 20 |code tha|t. |
|00000e10| 70 65 72 66 6f 72 6d 73 | 20 74 68 65 20 63 68 65 |performs| the che|
|00000e20| 63 6b 3a 0a 0a 20 20 20 | 20 20 20 6d 6f 76 20 20 |ck:.. | mov |
|00000e30| 41 58 2c 30 44 41 44 41 | 48 0a 20 20 20 20 20 20 |AX,0DADA|H. |
|00000e40| 70 75 73 68 20 41 58 0a | 20 20 20 20 20 20 6d 6f |push AX.| mo|
|00000e50| 76 20 20 41 58 2c 30 31 | 31 30 30 48 0a 20 20 20 |v AX,01|100H. |
|00000e60| 20 20 20 69 6e 74 20 20 | 32 46 48 0a 20 20 20 20 | int |2FH. |
|00000e70| 20 20 70 6f 70 20 20 42 | 58 0a 20 20 20 20 20 20 | pop B|X. |
|00000e80| 63 6d 70 20 20 42 58 2c | 30 41 44 41 44 48 0a 20 |cmp BX,|0ADADH. |
|00000e90| 20 20 20 20 20 6a 6e 65 | 20 20 6e 6f 74 5f 69 6e | jne| not_in|
|00000ea0| 73 74 61 6c 6c 65 64 0a | 20 20 20 20 20 20 63 6d |stalled.| cm|
|00000eb0| 70 20 20 41 4c 2c 30 46 | 46 48 0a 20 20 20 20 20 |p AL,0F|FH. |
|00000ec0| 20 6a 6e 65 20 20 6e 6f | 74 5f 69 6e 73 74 61 6c | jne no|t_instal|
|00000ed0| 6c 65 64 0a 20 20 20 20 | 20 20 3b 0a 20 20 20 20 |led. | ;. |
|00000ee0| 20 20 3b 20 4d 53 43 44 | 45 58 20 69 73 20 69 6e | ; MSCD|EX is in|
|00000ef0| 73 74 61 6c 6c 65 64 0a | 20 20 20 20 20 20 3b 0a |stalled.| ;.|
|00000f00| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00000f10| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00000f20| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00000f30| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00000f40| 2d 2d 2d 2d 2d 2d 0a 31 | 2e 30 32 2e 20 48 6f 77 |------.1|.02. How|
|00000f50| 20 64 6f 20 49 20 64 65 | 74 65 72 6d 69 6e 65 20 | do I de|termine |
|00000f60| 74 68 65 20 4d 53 43 44 | 45 58 20 76 65 72 73 69 |the MSCD|EX versi|
|00000f70| 6f 6e 3f 0a 0a 20 20 20 | 20 20 20 43 61 6c 6c 20 |on?.. | Call |
|00000f80| 74 68 65 20 4d 53 43 44 | 45 58 20 76 65 72 73 69 |the MSCD|EX versi|
|00000f90| 6f 6e 20 63 68 65 63 6b | 20 66 75 6e 63 74 69 6f |on check| functio|
|00000fa0| 6e 2e 20 48 65 72 65 27 | 73 20 63 6f 64 65 20 74 |n. Here'|s code t|
|00000fb0| 68 61 74 20 67 65 74 73 | 0a 20 20 20 20 20 20 74 |hat gets|. t|
|00000fc0| 68 65 20 76 65 72 73 69 | 6f 6e 3a 0a 0a 20 20 20 |he versi|on:.. |
|00000fd0| 20 20 20 6d 6f 76 20 20 | 41 58 2c 31 35 30 43 48 | mov |AX,150CH|
|00000fe0| 0a 20 20 20 20 20 20 69 | 6e 74 20 20 32 46 48 0a |. i|nt 2FH.|
|00000ff0| 20 20 20 20 20 20 3b 0a | 20 20 20 20 20 20 3b 20 | ;.| ; |
|00001000| 42 48 20 68 6f 6c 64 73 | 20 74 68 65 20 6d 61 6a |BH holds| the maj|
|00001010| 6f 72 20 76 65 72 73 69 | 6f 6e 0a 20 20 20 20 20 |or versi|on. |
|00001020| 20 3b 20 42 4c 20 68 6f | 6c 64 73 20 74 68 65 20 | ; BL ho|lds the |
|00001030| 6d 69 6e 6f 72 20 76 65 | 72 73 69 6f 6e 0a 20 20 |minor ve|rsion. |
|00001040| 20 20 20 20 3b 20 50 72 | 69 6f 72 20 74 6f 20 4d | ; Pr|ior to M|
|00001050| 53 43 44 45 58 20 76 65 | 72 73 69 6f 6e 20 32 2e |SCDEX ve|rsion 2.|
|00001060| 30 2c 20 74 68 65 20 76 | 65 72 73 69 6f 6e 20 72 |0, the v|ersion r|
|00001070| 65 74 75 72 6e 65 64 20 | 69 73 20 30 2e 30 20 28 |eturned |is 0.0 (|
|00001080| 42 58 20 3d 0a 20 20 20 | 20 20 20 3b 20 30 29 0a |BX =. | ; 0).|
|00001090| 20 20 20 20 20 20 3b 0a | 3d 3d 3d 3d 3d 3d 3d 3d | ;.|========|
|000010a0| 3d 3d 3d 3d 3d 3d 3d 3d | 3d 3d 3d 3d 3d 3d 3d 3d |========|========|
|000010b0| 3d 3d 3d 3d 3d 3d 3d 3d | 3d 3d 3d 3d 3d 3d 3d 3d |========|========|
|000010c0| 3d 3d 3d 3d 3d 3d 3d 3d | 3d 3d 3d 3d 3d 3d 3d 3d |========|========|
|000010d0| 3d 3d 3d 3d 3d 3d 3d 3d | 3d 3d 3d 3d 3d 3d 0a 53 |========|======.S|
|000010e0| 65 63 74 69 6f 6e 20 32 | 20 2d 20 43 44 2d 52 4f |ection 2| - CD-RO|
|000010f0| 4d 20 45 78 69 73 74 65 | 6e 63 65 0a 3d 3d 3d 3d |M Existe|nce.====|
|00001100| 3d 3d 3d 3d 3d 3d 3d 3d | 3d 3d 3d 3d 3d 3d 3d 3d |========|========|
|00001110| 3d 3d 3d 3d 3d 3d 3d 3d | 3d 3d 3d 3d 3d 3d 3d 3d |========|========|
|00001120| 3d 3d 3d 3d 3d 3d 3d 3d | 3d 3d 3d 3d 3d 3d 3d 3d |========|========|
|00001130| 3d 3d 3d 3d 3d 3d 3d 3d | 3d 3d 3d 3d 3d 3d 3d 3d |========|========|
|00001140| 3d 3d 0a 32 2e 30 31 2e | 20 48 6f 77 20 6d 61 6e |==.2.01.| How man|
|00001150| 79 20 43 44 2d 52 4f 4d | 73 20 61 72 65 20 70 72 |y CD-ROM|s are pr|
|00001160| 65 73 65 6e 74 3f 0a 0a | 20 20 20 20 20 20 41 73 |esent?..| As|
|00001170| 6b 20 4d 53 43 44 45 58 | 2e 20 48 65 72 65 27 73 |k MSCDEX|. Here's|
|00001180| 20 63 6f 64 65 20 74 68 | 61 74 20 67 69 76 65 73 | code th|at gives|
|00001190| 20 74 68 65 20 63 6f 75 | 6e 74 20 6f 66 20 43 44 | the cou|nt of CD|
|000011a0| 2d 52 4f 4d 73 0a 20 20 | 20 20 20 20 69 6e 73 74 |-ROMs. | inst|
|000011b0| 61 6c 6c 65 64 20 61 6e | 64 20 74 68 65 20 64 72 |alled an|d the dr|
|000011c0| 69 76 65 20 6c 65 74 74 | 65 72 20 6f 66 20 74 68 |ive lett|er of th|
|000011d0| 65 20 66 69 72 73 74 20 | 6f 6e 65 3a 0a 0a 20 20 |e first |one:.. |
|000011e0| 20 20 20 20 6d 6f 76 20 | 20 41 58 2c 31 35 30 30 | mov | AX,1500|
|000011f0| 48 0a 20 20 20 20 20 20 | 78 6f 72 20 20 42 58 2c |H. |xor BX,|
|00001200| 42 58 0a 20 20 20 20 20 | 20 69 6e 74 20 20 32 46 |BX. | int 2F|
|00001210| 48 0a 20 20 20 20 20 20 | 3b 0a 20 20 20 20 20 20 |H. |;. |
|00001220| 3b 20 42 58 20 77 69 6c | 6c 20 68 6f 6c 64 20 74 |; BX wil|l hold t|
|00001230| 68 65 20 6e 75 6d 62 65 | 72 20 6f 66 20 43 44 2d |he numbe|r of CD-|
|00001240| 52 4f 4d 73 0a 20 20 20 | 20 20 20 3b 20 43 4c 20 |ROMs. | ; CL |
|00001250| 77 69 6c 6c 20 68 6f 6c | 64 20 74 68 65 20 66 69 |will hol|d the fi|
|00001260| 72 73 74 20 43 44 2d 52 | 4f 4d 27 73 20 64 72 69 |rst CD-R|OM's dri|
|00001270| 76 65 3b 20 30 20 3d 20 | 41 3a 2c 20 31 20 3d 20 |ve; 0 = |A:, 1 = |
|00001280| 42 3a 2c 20 61 6e 64 20 | 73 6f 0a 20 20 20 20 20 |B:, and |so. |
|00001290| 20 3b 20 6f 6e 0a 20 20 | 20 20 20 20 3b 0a 0a 20 | ; on. | ;.. |
|000012a0| 20 20 20 20 20 41 20 70 | 72 6f 62 6c 65 6d 20 77 | A p|roblem w|
|000012b0| 69 74 68 20 74 68 69 73 | 20 6d 65 74 68 6f 64 2c |ith this| method,|
|000012c0| 20 42 54 57 2c 20 69 73 | 20 74 68 61 74 20 69 74 | BTW, is| that it|
|000012d0| 20 63 6f 6e 66 6c 69 63 | 74 73 20 77 69 74 68 20 | conflic|ts with |
|000012e0| 44 4f 53 0a 20 20 20 20 | 20 20 34 2e 30 27 73 20 |DOS. | 4.0's |
|000012f0| 47 52 41 50 48 49 43 53 | 2e 43 4f 4d 2e 0a 2d 2d |GRAPHICS|.COM..--|
|00001300| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00001310| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00001320| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00001330| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00001340| 2d 2d 2d 2d 0a 32 2e 30 | 32 2e 20 57 68 69 63 68 |----.2.0|2. Which|
|00001350| 20 64 72 69 76 65 73 20 | 61 72 65 20 43 44 2d 52 | drives |are CD-R|
|00001360| 4f 4d 73 3f 0a 0a 20 20 | 20 20 20 20 54 68 65 72 |OMs?.. | Ther|
|00001370| 65 20 61 72 65 20 74 77 | 6f 20 77 61 79 73 20 74 |e are tw|o ways t|
|00001380| 6f 20 66 69 6e 64 20 6f | 75 74 2e 20 42 6f 74 68 |o find o|ut. Both|
|00001390| 20 77 61 79 73 20 72 65 | 71 75 69 72 65 20 4d 53 | ways re|quire MS|
|000013a0| 43 44 45 58 20 76 65 72 | 73 69 6f 6e 0a 20 20 20 |CDEX ver|sion. |
|000013b0| 20 20 20 32 20 28 73 65 | 65 20 71 75 65 73 74 69 | 2 (se|e questi|
|000013c0| 6f 6e 20 31 2e 30 32 2c | 20 48 6f 77 20 64 6f 20 |on 1.02,| How do |
|000013d0| 49 20 64 65 74 65 72 6d | 69 6e 65 20 74 68 65 20 |I determ|ine the |
|000013e0| 4d 53 43 44 45 58 20 76 | 65 72 73 69 6f 6e 3f 29 |MSCDEX v|ersion?)|
|000013f0| 2e 0a 20 20 20 20 20 20 | 54 68 65 20 66 69 72 73 |.. |The firs|
|00001400| 74 20 77 61 79 20 67 69 | 76 65 73 20 61 20 6c 69 |t way gi|ves a li|
|00001410| 73 74 20 6f 66 20 61 6c | 6c 20 43 44 2d 52 4f 4d |st of al|l CD-ROM|
|00001420| 20 64 72 69 76 65 73 3b | 20 74 68 65 20 73 65 63 | drives;| the sec|
|00001430| 6f 6e 64 0a 20 20 20 20 | 20 20 76 65 72 69 66 69 |ond. | verifi|
|00001440| 65 73 20 77 68 65 74 68 | 65 72 20 61 20 73 70 65 |es wheth|er a spe|
|00001450| 63 69 66 69 63 20 64 72 | 69 76 65 20 69 73 20 61 |cific dr|ive is a|
|00001460| 20 43 44 2d 52 4f 4d 2e | 0a 0a 20 20 20 20 20 20 | CD-ROM.|.. |
|00001470| 4d 65 74 68 6f 64 20 31 | 3a 20 28 67 65 74 20 6c |Method 1|: (get l|
|00001480| 69 73 74 20 6f 66 20 43 | 44 2d 52 4f 4d 73 29 0a |ist of C|D-ROMs).|
|00001490| 20 20 20 20 20 20 54 68 | 69 73 20 6d 65 74 68 6f | Th|is metho|
|000014a0| 64 20 72 65 71 75 69 72 | 65 73 20 61 20 62 6c 6f |d requir|es a blo|
|000014b0| 63 6b 20 6f 66 20 6d 65 | 6d 6f 72 79 3b 20 74 68 |ck of me|mory; th|
|000014c0| 65 20 73 69 7a 65 2c 20 | 69 6e 20 62 79 74 65 73 |e size, |in bytes|
|000014d0| 2c 20 6d 75 73 74 0a 20 | 20 20 20 20 20 62 65 20 |, must. | be |
|000014e0| 61 74 20 6c 65 61 73 74 | 20 74 68 65 20 6e 75 6d |at least| the num|
|000014f0| 62 65 72 20 6f 66 20 64 | 72 69 76 65 73 20 72 65 |ber of d|rives re|
|00001500| 74 75 72 6e 65 64 20 62 | 79 20 66 75 6e 63 74 69 |turned b|y functi|
|00001510| 6f 6e 20 31 35 30 30 48 | 20 28 73 65 65 0a 20 20 |on 1500H| (see. |
|00001520| 20 20 20 20 71 75 65 73 | 74 69 6f 6e 20 32 2e 30 | ques|tion 2.0|
|00001530| 31 2c 20 48 6f 77 20 6d | 61 6e 79 20 43 44 2d 52 |1, How m|any CD-R|
|00001540| 4f 4d 73 20 61 72 65 20 | 70 72 65 73 65 6e 74 3f |OMs are |present?|
|00001550| 29 2e 0a 0a 20 20 20 20 | 20 20 6d 6f 76 20 20 41 |)... | mov A|
|00001560| 58 2c 31 35 30 44 48 0a | 20 20 20 20 20 20 6c 65 |X,150DH.| le|
|00001570| 73 20 20 42 58 2c 4c 65 | 74 74 65 72 41 72 72 61 |s BX,Le|tterArra|
|00001580| 79 0a 20 20 20 20 20 20 | 69 6e 74 09 32 46 48 0a |y. |int.2FH.|
|00001590| 20 20 20 20 20 20 3b 0a | 20 20 20 20 20 20 3b 20 | ;.| ; |
|000015a0| 65 61 63 68 20 62 79 74 | 65 20 69 6e 20 4c 65 74 |each byt|e in Let|
|000015b0| 74 65 72 41 72 72 61 79 | 20 77 69 6c 6c 20 63 6f |terArray| will co|
|000015c0| 6e 74 61 69 6e 20 61 20 | 64 72 69 76 65 20 76 61 |ntain a |drive va|
|000015d0| 6c 75 65 20 28 30 20 3d | 20 41 3a 2c 20 31 0a 20 |lue (0 =| A:, 1. |
|000015e0| 20 20 20 20 20 3b 20 3d | 20 42 3a 2c 20 65 74 63 | ; =| B:, etc|
|000015f0| 2e 29 0a 20 20 20 20 20 | 20 3b 0a 0a 20 20 20 20 |.). | ;.. |
|00001600| 20 20 4d 65 74 68 6f 64 | 20 32 3a 20 28 69 73 20 | Method| 2: (is |
|00001610| 61 20 73 70 65 63 69 66 | 69 65 64 20 64 72 69 76 |a specif|ied driv|
|00001620| 65 20 61 20 43 44 2d 52 | 4f 4d 3f 29 0a 0a 20 20 |e a CD-R|OM?).. |
|00001630| 20 20 20 20 6d 6f 76 20 | 20 41 58 2c 31 35 30 42 | mov | AX,150B|
|00001640| 48 0a 20 20 20 20 20 20 | 6d 6f 76 20 20 43 58 2c |H. |mov CX,|
|00001650| 44 72 69 76 65 20 20 3b | 20 30 20 3d 20 41 3a 2c |Drive ;| 0 = A:,|
|00001660| 20 31 20 3d 20 42 3a 2c | 20 61 6e 64 20 73 6f 20 | 1 = B:,| and so |
|00001670| 6f 6e 0a 20 20 20 20 20 | 20 69 6e 74 20 20 32 46 |on. | int 2F|
|00001680| 48 0a 20 20 20 20 20 20 | 6f 72 20 20 20 41 58 2c |H. |or AX,|
|00001690| 41 58 0a 20 20 20 20 20 | 20 6a 7a 20 20 20 6e 6f |AX. | jz no|
|000016a0| 74 5f 63 64 5f 72 6f 6d | 0a 20 20 20 20 20 20 63 |t_cd_rom|. c|
|000016b0| 6d 70 20 20 42 58 2c 30 | 41 44 41 44 48 0a 20 20 |mp BX,0|ADADH. |
|000016c0| 20 20 20 20 6a 6e 65 20 | 20 6e 6f 74 5f 63 64 5f | jne | not_cd_|
|000016d0| 72 6f 6d 0a 20 20 20 20 | 20 20 3b 0a 20 20 20 20 |rom. | ;. |
|000016e0| 20 20 3b 20 74 68 65 20 | 64 72 69 76 65 20 69 73 | ; the |drive is|
|000016f0| 20 61 20 43 44 2d 52 4f | 4d 0a 20 20 20 20 20 20 | a CD-RO|M. |
|00001700| 3b 0a 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |;.------|--------|
|00001710| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00001720| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00001730| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00001740| 2d 2d 2d 2d 2d 2d 2d 2d | 0a 32 2e 30 33 2e 20 48 |--------|.2.03. H|
|00001750| 6f 77 20 64 6f 20 49 20 | 67 65 74 20 74 68 65 20 |ow do I |get the |
|00001760| 6e 61 6d 65 20 6f 66 20 | 74 68 65 20 43 44 2d 52 |name of |the CD-R|
|00001770| 4f 4d 20 64 65 76 69 63 | 65 20 64 72 69 76 65 72 |OM devic|e driver|
|00001780| 3f 0a 0a 20 20 20 20 20 | 20 46 69 72 73 74 2c 20 |?.. | First, |
|00001790| 79 6f 75 20 6e 65 65 64 | 20 74 6f 20 6b 6e 6f 77 |you need| to know|
|000017a0| 20 68 6f 77 20 6d 61 6e | 79 20 43 44 2d 52 4f 4d | how man|y CD-ROM|
|000017b0| 73 20 79 6f 75 20 68 61 | 76 65 20 28 73 65 65 20 |s you ha|ve (see |
|000017c0| 71 75 65 73 74 69 6f 6e | 0a 20 20 20 20 20 20 32 |question|. 2|
|000017d0| 2e 30 31 2c 20 48 6f 77 | 20 6d 61 6e 79 20 43 44 |.01, How| many CD|
|000017e0| 2d 52 4f 4d 73 20 61 72 | 65 20 70 72 65 73 65 6e |-ROMs ar|e presen|
|000017f0| 74 3f 29 2e 20 59 6f 75 | 20 6e 65 65 64 20 61 20 |t?). You| need a |
|00001800| 62 6c 6f 63 6b 20 6f 66 | 20 6d 65 6d 6f 72 79 0a |block of| memory.|
|00001810| 20 20 20 20 20 20 77 68 | 6f 73 65 20 73 69 7a 65 | wh|ose size|
|00001820| 2c 20 69 6e 20 62 79 74 | 65 73 2c 20 69 73 20 35 |, in byt|es, is 5|
|00001830| 20 74 69 6d 65 73 20 74 | 68 65 20 6e 75 6d 62 65 | times t|he numbe|
|00001840| 72 20 6f 66 20 43 44 2d | 52 4f 4d 73 20 70 72 65 |r of CD-|ROMs pre|
|00001850| 73 65 6e 74 2e 0a 20 20 | 20 20 20 20 54 68 69 73 |sent.. | This|
|00001860| 20 63 6f 64 65 20 77 69 | 6c 6c 20 66 69 6c 6c 20 | code wi|ll fill |
|00001870| 74 68 61 74 20 61 72 72 | 61 79 3a 0a 0a 20 20 20 |that arr|ay:.. |
|00001880| 20 20 20 6d 6f 76 20 20 | 41 58 2c 31 35 30 31 48 | mov |AX,1501H|
|00001890| 0a 20 20 20 20 20 20 6c | 65 73 20 20 42 58 2c 44 |. l|es BX,D|
|000018a0| 72 69 76 65 72 41 72 72 | 61 79 0a 20 20 20 20 20 |riverArr|ay. |
|000018b0| 20 69 6e 74 20 20 32 46 | 48 0a 0a 20 20 20 20 20 | int 2F|H.. |
|000018c0| 20 45 61 63 68 20 35 2d | 62 79 74 65 20 65 6c 65 | Each 5-|byte ele|
|000018d0| 6d 65 6e 74 20 69 6e 20 | 74 68 65 20 61 72 72 61 |ment in |the arra|
|000018e0| 79 20 63 6f 6e 73 69 73 | 74 73 20 6f 66 20 74 68 |y consis|ts of th|
|000018f0| 65 20 64 72 69 76 65 27 | 73 20 73 75 62 75 6e 69 |e drive'|s subuni|
|00001900| 74 0a 20 20 20 20 20 20 | 6e 75 6d 62 65 72 20 28 |t. |number (|
|00001910| 61 20 43 44 2d 52 4f 4d | 20 64 65 76 69 63 65 20 |a CD-ROM| device |
|00001920| 64 72 69 76 65 72 20 6d | 61 79 20 73 75 70 70 6f |driver m|ay suppo|
|00001930| 72 74 20 73 65 76 65 72 | 61 6c 20 64 72 69 76 65 |rt sever|al drive|
|00001940| 73 20 61 73 0a 20 20 20 | 20 20 20 73 75 62 75 6e |s as. | subun|
|00001950| 69 74 73 29 2c 20 66 6f | 6c 6c 6f 77 65 64 20 62 |its), fo|llowed b|
|00001960| 79 20 74 68 65 20 61 64 | 64 72 65 73 73 20 6f 66 |y the ad|dress of|
|00001970| 20 74 68 65 20 64 72 69 | 76 65 27 73 20 64 65 76 | the dri|ve's dev|
|00001980| 69 63 65 20 64 72 69 76 | 65 72 2e 0a 20 20 20 20 |ice driv|er.. |
|00001990| 20 20 54 68 65 20 66 69 | 6c 65 6e 61 6d 65 20 69 | The fi|lename i|
|000019a0| 73 20 31 30 20 62 79 74 | 65 73 20 69 6e 74 6f 20 |s 10 byt|es into |
|000019b0| 74 68 65 20 64 65 76 69 | 63 65 20 64 72 69 76 65 |the devi|ce drive|
|000019c0| 72 2e 20 54 68 65 20 66 | 69 6c 65 6e 61 6d 65 20 |r. The f|ilename |
|000019d0| 69 73 0a 20 20 20 20 20 | 20 61 74 20 6d 6f 73 74 |is. | at most|
|000019e0| 20 38 20 62 79 74 65 73 | 20 6c 6f 6e 67 2c 20 61 | 8 bytes| long, a|
|000019f0| 6e 64 20 69 66 20 6c 65 | 73 73 20 74 68 61 6e 20 |nd if le|ss than |
|00001a00| 38 20 62 79 74 65 73 2c | 20 69 73 20 74 65 72 6d |8 bytes,| is term|
|00001a10| 69 6e 61 74 65 64 20 62 | 79 0a 20 20 20 20 20 20 |inated b|y. |
|00001a20| 61 20 73 70 61 63 65 20 | 28 32 30 48 29 2e 0a 3d |a space |(20H)..=|
|00001a30| 3d 3d 3d 3d 3d 3d 3d 3d | 3d 3d 3d 3d 3d 3d 3d 3d |========|========|
|00001a40| 3d 3d 3d 3d 3d 3d 3d 3d | 3d 3d 3d 3d 3d 3d 3d 3d |========|========|
|00001a50| 3d 3d 3d 3d 3d 3d 3d 3d | 3d 3d 3d 3d 3d 3d 3d 3d |========|========|
|00001a60| 3d 3d 3d 3d 3d 3d 3d 3d | 3d 3d 3d 3d 3d 3d 3d 3d |========|========|
|00001a70| 3d 3d 3d 3d 3d 0a 53 65 | 63 74 69 6f 6e 20 33 20 |=====.Se|ction 3 |
|00001a80| 2d 20 44 72 69 76 65 20 | 49 6e 74 65 72 66 61 63 |- Drive |Interfac|
|00001a90| 65 0a 3d 3d 3d 3d 3d 3d | 3d 3d 3d 3d 3d 3d 3d 3d |e.======|========|
|00001aa0| 3d 3d 3d 3d 3d 3d 3d 3d | 3d 3d 3d 3d 3d 3d 3d 3d |========|========|
|00001ab0| 3d 3d 3d 3d 3d 3d 3d 3d | 3d 3d 3d 3d 3d 3d 3d 3d |========|========|
|00001ac0| 3d 3d 3d 3d 3d 3d 3d 3d | 3d 3d 3d 3d 3d 3d 3d 3d |========|========|
|00001ad0| 3d 3d 3d 3d 3d 3d 3d 3d | 0a 33 2e 30 31 2e 20 48 |========|.3.01. H|
|00001ae0| 6f 77 20 64 6f 20 49 20 | 6f 70 65 6e 20 74 68 65 |ow do I |open the|
|00001af0| 20 64 6f 6f 72 3f 0a 0a | 20 20 20 20 20 20 46 69 | door?..| Fi|
|00001b00| 72 73 74 2c 20 79 6f 75 | 20 6e 65 65 64 20 74 68 |rst, you| need th|
|00001b10| 65 20 6e 61 6d 65 20 6f | 66 20 74 68 65 20 64 65 |e name o|f the de|
|00001b20| 76 69 63 65 20 64 72 69 | 76 65 72 20 28 73 65 65 |vice dri|ver (see|
|00001b30| 20 71 75 65 73 74 69 6f | 6e 20 32 2e 30 33 2c 0a | questio|n 2.03,.|
|00001b40| 20 20 20 20 20 20 48 6f | 77 20 64 6f 20 49 20 67 | Ho|w do I g|
|00001b50| 65 74 20 74 68 65 20 6e | 61 6d 65 20 6f 66 20 74 |et the n|ame of t|
|00001b60| 68 65 20 43 44 2d 52 4f | 4d 20 64 65 76 69 63 65 |he CD-RO|M device|
|00001b70| 20 64 72 69 76 65 72 3f | 29 2e 20 4f 70 65 6e 20 | driver?|). Open |
|00001b80| 74 68 65 0a 20 20 20 20 | 20 20 66 69 6c 65 20 66 |the. | file f|
|00001b90| 6f 72 20 72 65 61 64 2f | 77 72 69 74 65 20 61 6e |or read/|write an|
|00001ba0| 64 20 6f 62 74 61 69 6e | 20 74 68 65 20 66 69 6c |d obtain| the fil|
|00001bb0| 65 20 68 61 6e 64 6c 65 | 20 28 44 4f 53 20 66 75 |e handle| (DOS fu|
|00001bc0| 6e 63 74 69 6f 6e 20 33 | 44 48 0a 20 20 20 20 20 |nction 3|DH. |
|00001bd0| 20 77 69 6c 6c 20 73 75 | 66 66 69 63 65 29 2e 0a | will su|ffice)..|
|00001be0| 0a 20 20 20 20 20 20 4f | 6e 63 65 20 79 6f 75 20 |. O|nce you |
|00001bf0| 68 61 76 65 20 74 68 65 | 20 66 69 6c 65 20 68 61 |have the| file ha|
|00001c00| 6e 64 6c 65 2c 20 79 6f | 75 20 6e 65 65 64 20 61 |ndle, yo|u need a|
|00001c10| 20 6f 6e 65 20 62 79 74 | 65 20 62 6c 6f 63 6b 20 | one byt|e block |
|00001c20| 6f 66 0a 20 20 20 20 20 | 20 6d 65 6d 6f 72 79 2e |of. | memory.|
|00001c30| 20 43 61 6c 6c 20 44 4f | 53 20 49 4f 43 54 4c 20 | Call DO|S IOCTL |
|00001c40| 66 75 6e 63 74 69 6f 6e | 20 34 34 30 33 48 2c 20 |function| 4403H, |
|00001c50| 61 73 20 73 68 6f 77 6e | 20 68 65 72 65 3a 0a 0a |as shown| here:..|
|00001c60| 20 20 20 20 20 20 6d 6f | 76 20 20 42 58 2c 46 69 | mo|v BX,Fi|
|00001c70| 6c 65 48 61 6e 64 6c 65 | 0a 20 20 20 20 20 20 6d |leHandle|. m|
|00001c80| 6f 76 20 20 43 6f 6d 6d | 61 6e 64 2c 30 0a 20 20 |ov Comm|and,0. |
|00001c90| 20 20 20 20 6c 64 73 20 | 20 44 58 2c 43 6f 6d 6d | lds | DX,Comm|
|00001ca0| 61 6e 64 0a 20 20 20 20 | 20 20 6d 6f 76 20 20 43 |and. | mov C|
|00001cb0| 58 2c 31 0a 20 20 20 20 | 20 20 6d 6f 76 20 20 41 |X,1. | mov A|
|00001cc0| 58 2c 34 34 30 33 48 0a | 20 20 20 20 20 20 69 6e |X,4403H.| in|
|00001cd0| 74 20 20 32 31 48 0a 20 | 20 20 20 20 20 6a 63 20 |t 21H. | jc |
|00001ce0| 20 20 65 72 72 6f 72 0a | 20 20 20 20 20 20 63 6d | error.| cm|
|00001cf0| 70 20 20 41 58 2c 31 0a | 20 20 20 20 20 20 6a 6e |p AX,1.| jn|
|00001d00| 65 20 20 77 72 69 74 65 | 5f 65 72 72 6f 72 0a 20 |e write|_error. |
|00001d10| 20 20 20 20 20 3b 0a 20 | 20 20 20 20 20 3b 20 64 | ;. | ; d|
|00001d20| 6f 6f 72 20 73 68 6f 75 | 6c 64 20 62 65 20 6f 70 |oor shou|ld be op|
|00001d30| 65 6e 0a 20 20 20 20 20 | 20 3b 0a 0a 20 20 20 20 |en. | ;.. |
|00001d40| 20 20 4f 6e 20 65 72 72 | 6f 72 20 28 63 61 72 72 | On err|or (carr|
|00001d50| 79 20 73 65 74 29 2c 20 | 41 58 20 77 69 6c 6c 20 |y set), |AX will |
|00001d60| 68 6f 6c 64 20 61 6e 20 | 65 72 72 6f 72 20 63 6f |hold an |error co|
|00001d70| 64 65 3a 20 30 30 30 31 | 48 20 28 69 6e 76 61 6c |de: 0001|H (inval|
|00001d80| 69 64 0a 20 20 20 20 20 | 20 66 75 6e 63 74 69 6f |id. | functio|
|00001d90| 6e 29 2c 20 30 30 30 35 | 48 20 28 61 63 63 65 73 |n), 0005|H (acces|
|00001da0| 73 20 64 65 6e 69 65 64 | 29 2c 20 30 30 30 36 48 |s denied|), 0006H|
|00001db0| 20 28 69 6e 76 61 6c 69 | 64 20 68 61 6e 64 6c 65 | (invali|d handle|
|00001dc0| 29 2c 20 6f 72 0a 20 20 | 20 20 20 20 30 30 30 44 |), or. | 000D|
|00001dd0| 48 20 28 69 6e 76 61 6c | 69 64 20 64 61 74 61 29 |H (inval|id data)|
|00001de0| 2e 0a 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |..------|--------|
|00001df0| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00001e00| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00001e10| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00001e20| 2d 2d 2d 2d 2d 2d 2d 2d | 0a 33 2e 30 32 2e 20 48 |--------|.3.02. H|
|00001e30| 6f 77 20 64 6f 20 49 20 | 63 6c 6f 73 65 20 74 68 |ow do I |close th|
|00001e40| 65 20 64 6f 6f 72 3f 0a | 0a 20 20 20 20 20 20 46 |e door?.|. F|
|00001e50| 69 72 73 74 2c 20 79 6f | 75 20 6e 65 65 64 20 74 |irst, yo|u need t|
|00001e60| 68 65 20 6e 61 6d 65 20 | 6f 66 20 74 68 65 20 64 |he name |of the d|
|00001e70| 65 76 69 63 65 20 64 72 | 69 76 65 72 20 28 73 65 |evice dr|iver (se|
|00001e80| 65 20 71 75 65 73 74 69 | 6f 6e 20 32 2e 30 33 2c |e questi|on 2.03,|
|00001e90| 0a 20 20 20 20 20 20 48 | 6f 77 20 64 6f 20 49 20 |. H|ow do I |
|00001ea0| 67 65 74 20 74 68 65 20 | 6e 61 6d 65 20 6f 66 20 |get the |name of |
|00001eb0| 74 68 65 20 43 44 2d 52 | 4f 4d 20 64 65 76 69 63 |the CD-R|OM devic|
|00001ec0| 65 20 64 72 69 76 65 72 | 3f 29 2e 20 4f 70 65 6e |e driver|?). Open|
|00001ed0| 20 74 68 65 0a 20 20 20 | 20 20 20 66 69 6c 65 20 | the. | file |
|00001ee0| 66 6f 72 20 72 65 61 64 | 2f 77 72 69 74 65 20 61 |for read|/write a|
|00001ef0| 6e 64 20 6f 62 74 61 69 | 6e 20 74 68 65 20 66 69 |nd obtai|n the fi|
|00001f00| 6c 65 20 68 61 6e 64 6c | 65 20 28 44 4f 53 20 66 |le handl|e (DOS f|
|00001f10| 75 6e 63 74 69 6f 6e 20 | 33 44 48 0a 20 20 20 20 |unction |3DH. |
|00001f20| 20 20 77 69 6c 6c 20 73 | 75 66 66 69 63 65 29 2e | will s|uffice).|
|00001f30| 0a 0a 20 20 20 20 20 20 | 4f 6e 63 65 20 79 6f 75 |.. |Once you|
|00001f40| 20 68 61 76 65 20 74 68 | 65 20 66 69 6c 65 20 68 | have th|e file h|
|00001f50| 61 6e 64 6c 65 2c 20 79 | 6f 75 20 6e 65 65 64 20 |andle, y|ou need |
|00001f60| 61 20 6f 6e 65 20 62 79 | 74 65 20 62 6c 6f 63 6b |a one by|te block|
|00001f70| 20 6f 66 0a 20 20 20 20 | 20 20 6d 65 6d 6f 72 79 | of. | memory|
|00001f80| 2e 20 43 61 6c 6c 20 44 | 4f 53 20 49 4f 43 54 4c |. Call D|OS IOCTL|
|00001f90| 20 66 75 6e 63 74 69 6f | 6e 20 34 34 30 33 48 2c | functio|n 4403H,|
|00001fa0| 20 61 73 20 73 68 6f 77 | 6e 20 68 65 72 65 3a 0a | as show|n here:.|
|00001fb0| 0a 20 20 20 20 20 20 6d | 6f 76 20 20 42 58 2c 46 |. m|ov BX,F|
|00001fc0| 69 6c 65 48 61 6e 64 6c | 65 0a 20 20 20 20 20 20 |ileHandl|e. |
|00001fd0| 6d 6f 76 20 20 43 6f 6d | 6d 61 6e 64 2c 35 0a 20 |mov Com|mand,5. |
|00001fe0| 20 20 20 20 20 6c 64 73 | 20 20 44 58 2c 43 6f 6d | lds| DX,Com|
|00001ff0| 6d 61 6e 64 0a 20 20 20 | 20 20 20 6d 6f 76 20 20 |mand. | mov |
|00002000| 43 58 2c 31 0a 20 20 20 | 20 20 20 6d 6f 76 20 20 |CX,1. | mov |
|00002010| 41 58 2c 34 34 30 33 48 | 0a 20 20 20 20 20 20 69 |AX,4403H|. i|
|00002020| 6e 74 20 20 32 31 48 0a | 20 20 20 20 20 20 6a 63 |nt 21H.| jc|
|00002030| 20 20 20 65 72 72 6f 72 | 0a 20 20 20 20 20 20 63 | error|. c|
|00002040| 6d 70 20 20 41 58 2c 31 | 0a 20 20 20 20 20 20 6a |mp AX,1|. j|
|00002050| 6e 65 20 20 77 72 69 74 | 65 5f 65 72 72 6f 72 0a |ne writ|e_error.|
|00002060| 20 20 20 20 20 20 3b 0a | 20 20 20 20 20 20 3b 20 | ;.| ; |
|00002070| 64 6f 6f 72 20 73 68 6f | 75 6c 64 20 62 65 20 63 |door sho|uld be c|
|00002080| 6c 6f 73 65 64 0a 20 20 | 20 20 20 20 3b 0a 0a 20 |losed. | ;.. |
|00002090| 20 20 20 20 20 4f 6e 20 | 65 72 72 6f 72 20 28 63 | On |error (c|
|000020a0| 61 72 72 79 20 73 65 74 | 29 2c 20 41 58 20 77 69 |arry set|), AX wi|
|000020b0| 6c 6c 20 68 6f 6c 64 20 | 61 6e 20 65 72 72 6f 72 |ll hold |an error|
|000020c0| 20 63 6f 64 65 3a 20 30 | 30 30 31 48 20 28 69 6e | code: 0|001H (in|
|000020d0| 76 61 6c 69 64 0a 20 20 | 20 20 20 20 66 75 6e 63 |valid. | func|
|000020e0| 74 69 6f 6e 29 2c 20 30 | 30 30 35 48 20 28 61 63 |tion), 0|005H (ac|
|000020f0| 63 65 73 73 20 64 65 6e | 69 65 64 29 2c 20 30 30 |cess den|ied), 00|
|00002100| 30 36 48 20 28 69 6e 76 | 61 6c 69 64 20 68 61 6e |06H (inv|alid han|
|00002110| 64 6c 65 29 2c 20 6f 72 | 0a 20 20 20 20 20 20 30 |dle), or|. 0|
|00002120| 30 30 44 48 20 28 69 6e | 76 61 6c 69 64 20 64 61 |00DH (in|valid da|
|00002130| 74 61 29 2e 0a 0a 20 20 | 20 20 20 20 54 68 65 20 |ta)... | The |
|00002140| 64 72 69 76 65 20 73 68 | 6f 75 6c 64 20 62 65 20 |drive sh|ould be |
|00002150| 72 65 73 65 74 20 61 66 | 74 65 72 20 63 6c 6f 73 |reset af|ter clos|
|00002160| 69 6e 67 20 74 68 65 20 | 64 6f 6f 72 20 62 65 66 |ing the |door bef|
|00002170| 6f 72 65 0a 20 20 20 20 | 20 20 61 63 63 65 73 73 |ore. | access|
|00002180| 69 6e 67 20 74 68 65 20 | 64 72 69 76 65 20 28 73 |ing the |drive (s|
|00002190| 65 65 20 71 75 65 73 74 | 69 6f 6e 20 33 2e 30 35 |ee quest|ion 3.05|
|000021a0| 2c 20 48 6f 77 20 64 6f | 20 49 20 72 65 73 65 74 |, How do| I reset|
|000021b0| 20 74 68 65 0a 20 20 20 | 20 20 20 64 72 69 76 65 | the. | drive|
|000021c0| 3f 29 2e 0a 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |?)..----|--------|
|000021d0| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|000021e0| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|000021f0| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00002200| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 0a 33 2e 30 33 2e |--------|--.3.03.|
|00002210| 20 48 6f 77 20 64 6f 20 | 49 20 75 6e 6c 6f 63 6b | How do |I unlock|
|00002220| 20 74 68 65 20 64 6f 6f | 72 3f 0a 0a 20 20 20 20 | the doo|r?.. |
|00002230| 20 20 46 69 72 73 74 2c | 20 79 6f 75 20 6e 65 65 | First,| you nee|
|00002240| 64 20 74 68 65 20 6e 61 | 6d 65 20 6f 66 20 74 68 |d the na|me of th|
|00002250| 65 20 64 65 76 69 63 65 | 20 64 72 69 76 65 72 20 |e device| driver |
|00002260| 28 73 65 65 20 71 75 65 | 73 74 69 6f 6e 20 32 2e |(see que|stion 2.|
|00002270| 30 33 2c 0a 20 20 20 20 | 20 20 48 6f 77 20 64 6f |03,. | How do|
|00002280| 20 49 20 67 65 74 20 74 | 68 65 20 6e 61 6d 65 20 | I get t|he name |
|00002290| 6f 66 20 74 68 65 20 43 | 44 2d 52 4f 4d 20 64 65 |of the C|D-ROM de|
|000022a0| 76 69 63 65 20 64 72 69 | 76 65 72 3f 29 2e 20 4f |vice dri|ver?). O|
|000022b0| 70 65 6e 20 74 68 65 0a | 20 20 20 20 20 20 66 69 |pen the.| fi|
|000022c0| 6c 65 20 66 6f 72 20 72 | 65 61 64 2f 77 72 69 74 |le for r|ead/writ|
|000022d0| 65 20 61 6e 64 20 6f 62 | 74 61 69 6e 20 74 68 65 |e and ob|tain the|
|000022e0| 20 66 69 6c 65 20 68 61 | 6e 64 6c 65 20 28 44 4f | file ha|ndle (DO|
|000022f0| 53 20 66 75 6e 63 74 69 | 6f 6e 20 33 44 48 0a 20 |S functi|on 3DH. |
|00002300| 20 20 20 20 20 77 69 6c | 6c 20 73 75 66 66 69 63 | wil|l suffic|
|00002310| 65 29 2e 0a 0a 20 20 20 | 20 20 20 4f 6e 63 65 20 |e)... | Once |
|00002320| 79 6f 75 20 68 61 76 65 | 20 74 68 65 20 66 69 6c |you have| the fil|
|00002330| 65 20 68 61 6e 64 6c 65 | 2c 20 79 6f 75 20 6e 65 |e handle|, you ne|
|00002340| 65 64 20 61 20 74 77 6f | 2d 62 79 74 65 20 62 6c |ed a two|-byte bl|
|00002350| 6f 63 6b 20 6f 66 0a 20 | 20 20 20 20 20 6d 65 6d |ock of. | mem|
|00002360| 6f 72 79 2e 20 43 61 6c | 6c 20 44 4f 53 20 49 4f |ory. Cal|l DOS IO|
|00002370| 43 54 4c 20 66 75 6e 63 | 74 69 6f 6e 20 34 34 30 |CTL func|tion 440|
|00002380| 33 48 2c 20 61 73 20 73 | 68 6f 77 6e 20 68 65 72 |3H, as s|hown her|
|00002390| 65 3a 0a 0a 20 20 20 20 | 20 20 6d 6f 76 20 20 42 |e:.. | mov B|
|000023a0| 58 2c 46 69 6c 65 48 61 | 6e 64 6c 65 0a 20 20 20 |X,FileHa|ndle. |
|000023b0| 20 20 20 6d 6f 76 20 20 | 43 6f 6d 6d 61 6e 64 2c | mov |Command,|
|000023c0| 31 0a 20 20 20 20 20 20 | 6d 6f 76 20 20 43 6f 6d |1. |mov Com|
|000023d0| 6d 61 6e 64 2b 31 2c 30 | 0a 20 20 20 20 20 20 6c |mand+1,0|. l|
|000023e0| 64 73 20 20 44 58 2c 43 | 6f 6d 6d 61 6e 64 0a 20 |ds DX,C|ommand. |
|000023f0| 20 20 20 20 20 6d 6f 76 | 20 20 43 58 2c 32 0a 20 | mov| CX,2. |
|00002400| 20 20 20 20 20 6d 6f 76 | 20 20 41 58 2c 34 34 30 | mov| AX,440|
|00002410| 33 48 0a 20 20 20 20 20 | 20 69 6e 74 20 20 32 31 |3H. | int 21|
|00002420| 48 0a 20 20 20 20 20 20 | 6a 63 20 20 20 65 72 72 |H. |jc err|
|00002430| 6f 72 0a 20 20 20 20 20 | 20 63 6d 70 20 20 41 58 |or. | cmp AX|
|00002440| 2c 32 0a 20 20 20 20 20 | 20 6a 6e 65 20 20 77 72 |,2. | jne wr|
|00002450| 69 74 65 5f 65 72 72 6f | 72 0a 20 20 20 20 20 20 |ite_erro|r. |
|00002460| 3b 0a 20 20 20 20 20 20 | 3b 20 64 6f 6f 72 20 73 |;. |; door s|
|00002470| 68 6f 75 6c 64 20 62 65 | 20 75 6e 6c 6f 63 6b 65 |hould be| unlocke|
|00002480| 64 0a 20 20 20 20 20 20 | 3b 0a 0a 20 20 20 20 20 |d. |;.. |
|00002490| 20 4f 6e 20 65 72 72 6f | 72 20 28 63 61 72 72 79 | On erro|r (carry|
|000024a0| 20 73 65 74 29 2c 20 41 | 58 20 77 69 6c 6c 20 68 | set), A|X will h|
|000024b0| 6f 6c 64 20 61 6e 20 65 | 72 72 6f 72 20 63 6f 64 |old an e|rror cod|
|000024c0| 65 3a 20 30 30 30 31 48 | 20 28 69 6e 76 61 6c 69 |e: 0001H| (invali|
|000024d0| 64 0a 20 20 20 20 20 20 | 66 75 6e 63 74 69 6f 6e |d. |function|
|000024e0| 29 2c 20 30 30 30 35 48 | 20 28 61 63 63 65 73 73 |), 0005H| (access|
|000024f0| 20 64 65 6e 69 65 64 29 | 2c 20 30 30 30 36 48 20 | denied)|, 0006H |
|00002500| 28 69 6e 76 61 6c 69 64 | 20 68 61 6e 64 6c 65 29 |(invalid| handle)|
|00002510| 2c 20 6f 72 0a 20 20 20 | 20 20 20 30 30 30 44 48 |, or. | 000DH|
|00002520| 20 28 69 6e 76 61 6c 69 | 64 20 64 61 74 61 29 2e | (invali|d data).|
|00002530| 0a 0a 20 20 20 20 20 20 | 54 68 65 20 64 72 69 76 |.. |The driv|
|00002540| 65 20 73 68 6f 75 6c 64 | 20 62 65 20 72 65 73 65 |e should| be rese|
|00002550| 74 20 61 66 74 65 72 20 | 75 6e 6c 6f 63 6b 69 6e |t after |unlockin|
|00002560| 67 20 74 68 65 20 64 6f | 6f 72 20 62 65 66 6f 72 |g the do|or befor|
|00002570| 65 0a 20 20 20 20 20 20 | 61 63 63 65 73 73 69 6e |e. |accessin|
|00002580| 67 20 74 68 65 20 64 72 | 69 76 65 20 28 73 65 65 |g the dr|ive (see|
|00002590| 20 71 75 65 73 74 69 6f | 6e 20 33 2e 30 35 2c 20 | questio|n 3.05, |
|000025a0| 48 6f 77 20 64 6f 20 49 | 20 72 65 73 65 74 20 74 |How do I| reset t|
|000025b0| 68 65 0a 20 20 20 20 20 | 20 64 72 69 76 65 3f 29 |he. | drive?)|
|000025c0| 2e 0a 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |..------|--------|
|000025d0| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|000025e0| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|000025f0| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00002600| 2d 2d 2d 2d 2d 2d 2d 2d | 0a 33 2e 30 34 2e 20 48 |--------|.3.04. H|
|00002610| 6f 77 20 64 6f 20 49 20 | 6c 6f 63 6b 20 74 68 65 |ow do I |lock the|
|00002620| 20 64 6f 6f 72 3f 0a 0a | 20 20 20 20 20 20 46 69 | door?..| Fi|
|00002630| 72 73 74 2c 20 79 6f 75 | 20 6e 65 65 64 20 74 68 |rst, you| need th|
|00002640| 65 20 6e 61 6d 65 20 6f | 66 20 74 68 65 20 64 65 |e name o|f the de|
|00002650| 76 69 63 65 20 64 72 69 | 76 65 72 20 28 73 65 65 |vice dri|ver (see|
|00002660| 20 71 75 65 73 74 69 6f | 6e 20 32 2e 30 33 2c 0a | questio|n 2.03,.|
|00002670| 20 20 20 20 20 20 48 6f | 77 20 64 6f 20 49 20 67 | Ho|w do I g|
|00002680| 65 74 20 74 68 65 20 6e | 61 6d 65 20 6f 66 20 74 |et the n|ame of t|
|00002690| 68 65 20 43 44 2d 52 4f | 4d 20 64 65 76 69 63 65 |he CD-RO|M device|
|000026a0| 20 64 72 69 76 65 72 3f | 29 2e 20 4f 70 65 6e 20 | driver?|). Open |
|000026b0| 74 68 65 0a 20 20 20 20 | 20 20 66 69 6c 65 20 66 |the. | file f|
|000026c0| 6f 72 20 72 65 61 64 2f | 77 72 69 74 65 20 61 6e |or read/|write an|
|000026d0| 64 20 6f 62 74 61 69 6e | 20 74 68 65 20 66 69 6c |d obtain| the fil|
|000026e0| 65 20 68 61 6e 64 6c 65 | 20 28 44 4f 53 20 66 75 |e handle| (DOS fu|
|000026f0| 6e 63 74 69 6f 6e 20 33 | 44 48 0a 20 20 20 20 20 |nction 3|DH. |
|00002700| 20 77 69 6c 6c 20 73 75 | 66 66 69 63 65 29 2e 0a | will su|ffice)..|
|00002710| 0a 20 20 20 20 20 20 4f | 6e 63 65 20 79 6f 75 20 |. O|nce you |
|00002720| 68 61 76 65 20 74 68 65 | 20 66 69 6c 65 20 68 61 |have the| file ha|
|00002730| 6e 64 6c 65 2c 20 79 6f | 75 20 6e 65 65 64 20 61 |ndle, yo|u need a|
|00002740| 20 74 77 6f 2d 62 79 74 | 65 20 62 6c 6f 63 6b 20 | two-byt|e block |
|00002750| 6f 66 0a 20 20 20 20 20 | 20 6d 65 6d 6f 72 79 2e |of. | memory.|
|00002760| 20 43 61 6c 6c 20 44 4f | 53 20 49 4f 43 54 4c 20 | Call DO|S IOCTL |
|00002770| 66 75 6e 63 74 69 6f 6e | 20 34 34 30 33 48 2c 20 |function| 4403H, |
|00002780| 61 73 20 73 68 6f 77 6e | 20 68 65 72 65 3a 0a 0a |as shown| here:..|
|00002790| 20 20 20 20 20 20 6d 6f | 76 20 20 42 58 2c 46 69 | mo|v BX,Fi|
|000027a0| 6c 65 48 61 6e 64 6c 65 | 0a 20 20 20 20 20 20 6d |leHandle|. m|
|000027b0| 6f 76 20 20 43 6f 6d 6d | 61 6e 64 2c 31 0a 20 20 |ov Comm|and,1. |
|000027c0| 20 20 20 20 6d 6f 76 20 | 20 43 6f 6d 6d 61 6e 64 | mov | Command|
|000027d0| 2b 31 2c 31 0a 20 20 20 | 20 20 20 6c 64 73 20 20 |+1,1. | lds |
|000027e0| 44 58 2c 43 6f 6d 6d 61 | 6e 64 0a 20 20 20 20 20 |DX,Comma|nd. |
|000027f0| 20 6d 6f 76 20 20 43 58 | 2c 32 0a 20 20 20 20 20 | mov CX|,2. |
|00002800| 20 6d 6f 76 20 20 41 58 | 2c 34 34 30 33 48 0a 20 | mov AX|,4403H. |
|00002810| 20 20 20 20 20 69 6e 74 | 20 20 32 31 48 0a 20 20 | int| 21H. |
|00002820| 20 20 20 20 6a 63 20 20 | 20 65 72 72 6f 72 0a 20 | jc | error. |
|00002830| 20 20 20 20 20 63 6d 70 | 20 20 41 58 2c 32 0a 20 | cmp| AX,2. |
|00002840| 20 20 20 20 20 6a 6e 65 | 20 20 77 72 69 74 65 5f | jne| write_|
|00002850| 65 72 72 6f 72 0a 20 20 | 20 20 20 20 3b 0a 20 20 |error. | ;. |
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|000029d0| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|000029e0| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|000029f0| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00002a00| 0a 33 2e 30 35 2e 20 48 | 6f 77 20 64 6f 20 49 20 |.3.05. H|ow do I |
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|00002d20| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00002d30| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00002d40| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00002d50| 2d 2d 2d 2d 0a 33 2e 30 | 36 2e 20 48 6f 77 20 64 |----.3.0|6. How d|
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|00003360| 65 3f 29 2e 0a 3d 3d 3d | 3d 3d 3d 3d 3d 3d 3d 3d |e?)..===|========|
|00003370| 3d 3d 3d 3d 3d 3d 3d 3d | 3d 3d 3d 3d 3d 3d 3d 3d |========|========|
|00003380| 3d 3d 3d 3d 3d 3d 3d 3d | 3d 3d 3d 3d 3d 3d 3d 3d |========|========|
|00003390| 3d 3d 3d 3d 3d 3d 3d 3d | 3d 3d 3d 3d 3d 3d 3d 3d |========|========|
|000033a0| 3d 3d 3d 3d 3d 3d 3d 3d | 3d 3d 3d 0a 53 65 63 74 |========|===.Sect|
|000033b0| 69 6f 6e 20 34 20 2d 20 | 44 72 69 76 65 20 43 61 |ion 4 - |Drive Ca|
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|000033d0| 3d 3d 3d 3d 3d 3d 3d 3d | 3d 3d 3d 3d 3d 3d 3d 3d |========|========|
|000033e0| 3d 3d 3d 3d 3d 3d 3d 3d | 3d 3d 3d 3d 3d 3d 3d 3d |========|========|
|000033f0| 3d 3d 3d 3d 3d 3d 3d 3d | 3d 3d 3d 3d 3d 3d 3d 3d |========|========|
|00003400| 3d 3d 3d 3d 3d 3d 3d 3d | 3d 3d 3d 3d 3d 0a 34 2e |========|=====.4.|
|00003410| 30 31 2e 20 57 68 61 74 | 20 73 65 63 74 6f 72 20 |01. What| sector |
|00003420| 73 69 7a 65 20 69 73 20 | 73 75 70 70 6f 72 74 65 |size is |supporte|
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|00003460| 20 64 72 69 76 65 72 20 | 28 73 65 65 20 71 75 65 | driver |(see que|
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|00003480| 20 20 48 6f 77 20 64 6f | 20 49 20 67 65 74 20 74 | How do| I get t|
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|000034a0| 44 2d 52 4f 4d 20 64 65 | 76 69 63 65 20 64 72 69 |D-ROM de|vice dri|
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|00003560| 20 20 20 20 20 20 6d 65 | 6d 6f 72 79 2e 20 43 61 | me|mory. Ca|
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|000035c0| 20 43 6f 6d 6d 61 6e 64 | 2c 37 0a 20 20 20 20 20 | Command|,7. |
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|000035f0| 0a 20 20 20 20 20 20 6d | 6f 76 20 20 41 58 2c 34 |. m|ov AX,4|
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|00003ca0| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00003cb0| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00003cc0| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00003cd0| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00003ce0| 2d 2d 2d 2d 0a 34 2e 30 | 33 2e 20 48 6f 77 20 6d |----.4.0|3. How m|
|00003cf0| 75 63 68 20 64 61 74 61 | 20 69 73 20 6f 6e 20 74 |uch data| is on t|
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|00003d70| 20 6f 6e 20 74 68 65 20 | 64 69 73 6b 3f 2e 20 54 | on the |disk?. T|
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|00003de0| 20 20 72 65 6c 69 61 62 | 6c 79 2e 0a 3d 3d 3d 3d | reliab|ly..====|
|00003df0| 3d 3d 3d 3d 3d 3d 3d 3d | 3d 3d 3d 3d 3d 3d 3d 3d |========|========|
|00003e00| 3d 3d 3d 3d 3d 3d 3d 3d | 3d 3d 3d 3d 3d 3d 3d 3d |========|========|
|00003e10| 3d 3d 3d 3d 3d 3d 3d 3d | 3d 3d 3d 3d 3d 3d 3d 3d |========|========|
|00003e20| 3d 3d 3d 3d 3d 3d 3d 3d | 3d 3d 3d 3d 3d 3d 3d 3d |========|========|
|00003e30| 3d 3d 0a 53 65 63 74 69 | 6f 6e 20 35 20 2d 20 56 |==.Secti|on 5 - V|
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|00003e60| 3d 3d 3d 3d 3d 3d 3d 3d | 3d 3d 3d 3d 3d 3d 3d 3d |========|========|
|00003e70| 3d 3d 3d 3d 3d 3d 3d 3d | 3d 3d 3d 3d 3d 3d 3d 3d |========|========|
|00003e80| 3d 3d 3d 3d 3d 3d 3d 3d | 3d 3d 3d 3d 3d 3d 3d 3d |========|========|
|00003e90| 3d 3d 3d 3d 3d 3d 3d 3d | 3d 3d 3d 3d 3d 3d 0a 35 |========|======.5|
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|000040f0| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00004100| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00004110| 2d 2d 0a 35 2e 30 32 2e | 20 48 6f 77 20 64 6f 20 |--.5.02.| How do |
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|00004360| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00004370| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00004380| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00004390| 2d 2d 2d 2d 2d 2d 0a 35 | 2e 30 33 2e 20 48 6f 77 |------.5|.03. How|
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|00004880| 3d 3d 3d 3d 3d 3d 3d 3d | 3d 3d 3d 3d 3d 3d 3d 3d |========|========|
|00004890| 3d 3d 3d 3d 3d 3d 3d 3d | 3d 3d 3d 3d 3d 3d 3d 3d |========|========|
|000048a0| 3d 3d 3d 3d 3d 3d 3d 3d | 3d 3d 3d 3d 3d 3d 3d 3d |========|========|
|000048b0| 3d 3d 3d 3d 3d 3d 3d 3d | 3d 3d 3d 3d 3d 3d 3d 3d |========|========|
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|000048d0| 20 2d 20 41 75 64 69 6f | 0a 3d 3d 3d 3d 3d 3d 3d | - Audio|.=======|
|000048e0| 3d 3d 3d 3d 3d 3d 3d 3d | 3d 3d 3d 3d 3d 3d 3d 3d |========|========|
|000048f0| 3d 3d 3d 3d 3d 3d 3d 3d | 3d 3d 3d 3d 3d 3d 3d 3d |========|========|
|00004900| 3d 3d 3d 3d 3d 3d 3d 3d | 3d 3d 3d 3d 3d 3d 3d 3d |========|========|
|00004910| 3d 3d 3d 3d 3d 3d 3d 3d | 3d 3d 3d 3d 3d 3d 3d 0a |========|=======.|
|00004920| 36 2e 30 31 2e 20 48 6f | 77 20 64 6f 20 49 20 66 |6.01. Ho|w do I f|
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|00004950| 20 43 44 3f 0a 0a 20 20 | 20 20 20 20 46 69 72 73 | CD?.. | Firs|
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|000049b0| 20 74 68 65 20 6e 61 6d | 65 20 6f 66 20 74 68 65 | the nam|e of the|
|000049c0| 20 43 44 2d 52 4f 4d 20 | 64 65 76 69 63 65 20 64 | CD-ROM |device d|
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|00004fa0| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
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|00004fc0| 36 2e 30 33 2e 20 48 6f | 77 20 63 61 6e 20 49 20 |6.03. Ho|w can I |
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|00005f90| 75 74 20 66 6f 72 20 62 | 69 74 20 31 35 20 73 65 |ut for b|it 15 se|
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|00005fb0| 20 3b 0a 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d | ;.-----|--------|
|00005fc0| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00005fd0| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00005fe0| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00005ff0| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 0a 36 2e 30 36 2e 20 |--------|-.6.06. |
|00006000| 48 6f 77 20 64 6f 20 49 | 20 72 65 73 75 6d 65 20 |How do I| resume |
|00006010| 61 75 64 69 6f 20 70 6c | 61 79 62 61 63 6b 3f 0a |audio pl|ayback?.|
|00006020| 0a 20 20 20 20 20 20 46 | 6f 72 20 73 74 61 72 74 |. F|or start|
|00006030| 65 72 73 2c 20 79 6f 75 | 20 6e 65 65 64 20 4d 53 |ers, you| need MS|
|00006040| 43 44 45 58 20 56 65 72 | 73 69 6f 6e 20 32 2e 31 |CDEX Ver|sion 2.1|
|00006050| 20 6f 72 20 67 72 65 61 | 74 65 72 20 28 73 65 65 | or grea|ter (see|
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|00006070| 31 2e 30 32 2c 20 48 6f | 77 20 64 6f 20 49 20 64 |1.02, Ho|w do I d|
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|000060a0| 20 20 20 20 20 20 59 6f | 75 20 61 6c 73 6f 20 6e | Yo|u also n|
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|000060e0| 74 68 65 0a 20 20 20 20 | 20 20 61 75 64 69 6f 20 |the. | audio |
|000060f0| 43 44 20 28 73 65 65 20 | 71 75 65 73 74 69 6f 6e |CD (see |question|
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|00006110| 67 65 74 20 74 68 65 20 | 6e 61 6d 65 20 6f 66 20 |get the |name of |
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|00006130| 20 64 65 76 69 63 65 20 | 64 72 69 76 65 72 3f 29 | device |driver?)|
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|00006150| 20 6e 65 65 64 20 61 20 | 31 33 2d 62 79 74 65 20 | need a |13-byte |
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|00006170| 20 57 72 69 74 65 20 31 | 33 20 28 30 44 48 29 20 | Write 1|3 (0DH) |
|00006180| 74 6f 20 74 68 65 0a 20 | 20 20 20 20 20 66 69 72 |to the. | fir|
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|000061c0| 62 79 74 65 2e 20 57 72 | 69 74 65 0a 20 20 20 20 |byte. Wr|ite. |
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+--------+-------------------------+-------------------------+--------+--------+