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+--------+-------------------------+-------------------------+--------+--------+
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|000007f0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000800| 46 72 6f 6d 20 75 75 63 | 70 20 57 65 64 20 41 75 |From uuc|p Wed Au|
|00000810| 67 20 31 32 20 30 32 3a | 33 39 20 50 44 54 20 31 |g 12 02:|39 PDT 1|
|00000820| 39 38 37 0a 3e 46 72 6f | 6d 20 73 6c 79 6e 6e 65 |987.>Fro|m slynne|
|00000830| 20 20 57 65 64 20 41 75 | 67 20 31 32 20 30 32 3a |  Wed Au|g 12 02:|
|00000840| 33 38 3a 33 30 20 31 39 | 38 37 20 72 65 6d 6f 74 |38:30 19|87 remot|
|00000850| 65 20 66 72 6f 6d 20 73 | 6c 6d 61 63 0a 52 65 63 |e from s|lmac.Rec|
|00000860| 65 69 76 65 64 3a 20 62 | 79 20 76 61 6e 2d 62 63 |eived: b|y van-bc|
|00000870| 2e 75 75 63 70 20 28 73 | 6d 61 69 6c 32 2e 33 29 |.uucp (s|mail2.3)|
|00000880| 0a 09 69 64 20 41 41 31 | 37 35 37 30 3b 20 31 32 |..id AA1|7570; 12|
|00000890| 20 41 75 67 20 38 37 20 | 30 32 3a 33 38 3a 33 30 | Aug 87 |02:38:30|
|000008a0| 20 50 44 54 20 28 57 65 | 64 29 0a 52 65 63 65 69 | PDT (We|d).Recei|
|000008b0| 76 65 64 3a 20 62 79 20 | 73 6c 6d 61 63 2e 76 6e |ved: by |slmac.vn|
|000008c0| 65 74 2e 76 61 6e 2d 62 | 63 2e 75 75 63 70 20 28 |et.van-b|c.uucp (|
|000008d0| 70 63 6d 61 69 6c 29 20 | 57 65 64 20 41 75 67 20 |pcmail) |Wed Aug |
|000008e0| 31 32 20 30 32 3a 33 37 | 3a 30 37 20 31 39 38 37 |12 02:37|:07 1987|
|000008f0| 0a 44 61 74 65 3a 20 57 | 65 64 20 41 75 67 20 31 |.Date: W|ed Aug 1|
|00000900| 32 20 30 32 3a 33 37 3a | 30 37 20 31 39 38 37 0a |2 02:37:|07 1987.|
|00000910| 46 72 6f 6d 3a 20 53 74 | 75 61 72 74 20 4c 79 6e |From: St|uart Lyn|
|00000920| 6e 65 20 2d 20 74 65 73 | 74 20 61 20 6d 61 63 20 |ne - tes|t a mac |
|00000930| 3c 73 6c 79 6e 6e 65 40 | 73 6c 6d 61 63 2e 76 6e |<slynne@|slmac.vn|
|00000940| 65 74 2e 76 61 6e 2d 62 | 63 2e 75 75 63 70 3e 0a |et.van-b|c.uucp>.|
|00000950| 4d 65 73 73 61 67 65 2d | 49 44 3a 20 3c 31 34 38 |Message-|ID: <148|
|00000960| 40 73 6c 6d 61 63 2e 76 | 6e 65 74 2e 76 61 6e 2d |@slmac.v|net.van-|
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|00000af0| 09 64 6f 73 2f 73 65 74 | 75 70 2e 62 61 74 0a 23 |.dos/set|up.bat.#|
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|00000b20| 65 64 3a 20 57 65 64 20 | 41 75 67 20 31 32 20 30 |ed: Wed |Aug 12 0|
|00000b30| 32 3a 30 33 3a 35 39 20 | 31 39 38 37 0a 23 20 42 |2:03:59 |1987.# B|
|00000b40| 79 3a 09 53 74 75 61 72 | 74 20 4c 79 6e 6e 65 20 |y:.Stuar|t Lynne |
|00000b50| 2d 20 74 65 73 74 20 61 | 20 6d 61 63 20 28 29 0a |- test a| mac ().|
|00000b60| 65 78 70 6f 72 74 20 50 | 41 54 48 3b 20 50 41 54 |export P|ATH; PAT|
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|00000b80| 74 65 73 74 20 2d 66 20 | 27 64 6f 73 2f 52 45 41 |test -f |'dos/REA|
|00000b90| 44 4d 45 2e 44 4f 53 27 | 0a 74 68 65 6e 0a 20 20 |DME.DOS'|.then.  |
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|00000c10| 53 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |S       |        |
|00000c20| 20 20 20 20 41 75 67 75 | 73 74 20 33 2c 20 31 39 |    Augu|st 3, 19|
|00000c30| 38 37 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |87      |        |
|00000c40| 20 20 20 20 20 53 61 6d | 75 65 6c 20 4c 61 6d 0a |     Sam|uel Lam.|
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|00001ca0| 65 66 69 6c 65 2e 64 6f | 73 27 0a 74 68 65 6e 0a |efile.do|s'.then.|
|00001cb0| 20 20 20 20 20 20 20 65 | 63 68 6f 20 73 68 61 72 |       e|cho shar|
|00001cc0| 3a 20 77 69 6c 6c 20 6e | 6f 74 20 6f 76 65 72 2d |: will n|ot over-|
|00001cd0| 77 72 69 74 65 20 65 78 | 69 73 74 69 6e 67 20 66 |write ex|isting f|
|00001ce0| 69 6c 65 20 22 27 64 6f | 73 2f 4d 61 6b 65 66 69 |ile "'do|s/Makefi|
|00001cf0| 6c 65 2e 64 6f 73 27 22 | 0a 65 6c 73 65 0a 63 61 |le.dos'"|.else.ca|
|00001d00| 74 20 3c 3c 20 5c 53 48 | 41 52 5f 45 4f 46 20 3e |t << \SH|AR_EOF >|
|00001d10| 20 27 64 6f 73 2f 4d 61 | 6b 65 66 69 6c 65 2e 64 | 'dos/Ma|kefile.d|
|00001d20| 6f 73 27 0a 23 20 4d 61 | 6b 65 66 69 6c 65 20 66 |os'.# Ma|kefile f|
|00001d30| 6f 72 20 44 43 50 20 62 | 79 20 53 4b 4c 2c 20 4a |or DCP b|y SKL, J|
|00001d40| 75 6c 79 2f 38 37 0a 0a | 61 6c 6c 3a 20 75 75 70 |uly/87..|all: uup|
|00001d50| 63 20 6d 61 69 6c 0a 0a | 0a 23 20 20 20 54 68 65 |c mail..|.#   The|
|00001d60| 20 55 55 43 50 20 74 72 | 61 6e 73 70 6f 72 74 20 | UUCP tr|ansport |
|00001d70| 73 65 72 76 69 63 65 20 | 70 72 6f 67 72 61 6d 20 |service |program |
|00001d80| 28 61 6e 20 75 75 63 69 | 63 6f 20 77 6f 72 6b 2d |(an uuci|co work-|
|00001d90| 61 6c 69 6b 65 29 0a 0a | 55 55 4f 42 4a 53 3d 75 |alike)..|UUOBJS=u|
|00001da0| 75 68 6f 73 74 2e 6f 62 | 6a 20 64 63 70 2e 6f 62 |uhost.ob|j dcp.ob|
|00001db0| 6a 20 64 63 70 73 79 73 | 2e 6f 62 6a 20 64 63 70 |j dcpsys|.obj dcp|
|00001dc0| 78 66 65 72 2e 6f 62 6a | 20 64 63 70 67 70 6b 74 |xfer.obj| dcpgpkt|
|00001dd0| 2e 6f 62 6a 20 72 6d 61 | 69 6c 2e 6f 62 6a 5c 0a |.obj rma|il.obj\.|
|00001de0| 20 20 20 75 6c 69 62 2e | 6f 62 6a 20 6c 69 62 2e |   ulib.|obj lib.|
|00001df0| 6f 62 6a 20 63 6f 6d 6d | 2e 6f 62 6a 20 6c 6f 63 |obj comm|.obj loc|
|00001e00| 61 6c 5c 6e 64 69 72 2e | 6f 62 6a 0a 0a 75 75 70 |al\ndir.|obj..uup|
|00001e10| 63 3a 20 75 75 70 63 2e | 65 78 65 0a 0a 75 75 70 |c: uupc.|exe..uup|
|00001e20| 63 2e 65 78 65 3a 20 24 | 28 55 55 4f 42 4a 53 29 |c.exe: $|(UUOBJS)|
|00001e30| 0a 20 20 20 6c 69 6e 6b | 20 24 28 4c 46 4c 41 47 |.   link| $(LFLAG|
|00001e40| 53 29 20 2f 4e 4f 49 20 | 2f 53 54 41 43 4b 3a 34 |S) /NOI |/STACK:4|
|00001e50| 30 39 36 20 24 28 55 55 | 4f 42 4a 53 29 2c 24 40 |096 $(UU|OBJS),$@|
|00001e60| 3b 0a 0a 75 75 68 6f 73 | 74 2e 6f 62 6a 3a 20 75 |;..uuhos|t.obj: u|
|00001e70| 75 68 6f 73 74 2e 63 20 | 6c 6f 63 61 6c 5c 68 6f |uhost.c |local\ho|
|00001e80| 73 74 2e 63 20 68 6f 73 | 74 2e 68 20 6c 6f 63 61 |st.c hos|t.h loca|
|00001e90| 6c 5c 68 6f 73 74 2e 68 | 0a 20 20 20 6d 73 63 20 |l\host.h|.   msc |
|00001ea0| 24 28 43 46 4c 41 47 53 | 29 20 24 2a 3b 0a 0a 64 |$(CFLAGS|) $*;..d|
|00001eb0| 63 70 2e 6f 62 6a 3a 20 | 64 63 70 2e 63 20 64 63 |cp.obj: |dcp.c dc|
|00001ec0| 70 2e 68 20 68 6f 73 74 | 2e 68 20 6c 6f 63 61 6c |p.h host|.h local|
|00001ed0| 5c 68 6f 73 74 2e 68 0a | 20 20 20 6d 73 63 20 24 |\host.h.|   msc $|
|00001ee0| 28 43 46 4c 41 47 53 29 | 20 24 2a 3b 0a 0a 64 63 |(CFLAGS)| $*;..dc|
|00001ef0| 70 73 79 73 2e 6f 62 6a | 3a 20 64 63 70 73 79 73 |psys.obj|: dcpsys|
|00001f00| 2e 63 20 64 63 70 2e 68 | 20 68 6f 73 74 2e 68 20 |.c dcp.h| host.h |
|00001f10| 6e 64 69 72 2e 68 20 6c | 6f 63 61 6c 5c 68 6f 73 |ndir.h l|ocal\hos|
|00001f20| 74 2e 68 20 6c 6f 63 61 | 6c 5c 6e 64 69 72 2e 68 |t.h loca|l\ndir.h|
|00001f30| 0a 20 20 20 6d 73 63 20 | 24 28 43 46 4c 41 47 53 |.   msc |$(CFLAGS|
|00001f40| 29 20 24 2a 3b 0a 0a 64 | 63 70 78 66 65 72 2e 6f |) $*;..d|cpxfer.o|
|00001f50| 62 6a 3a 20 64 63 70 78 | 66 65 72 2e 63 20 64 63 |bj: dcpx|fer.c dc|
|00001f60| 70 2e 68 20 68 6f 73 74 | 2e 68 20 6c 6f 63 61 6c |p.h host|.h local|
|00001f70| 5c 68 6f 73 74 2e 68 0a | 20 20 20 6d 73 63 20 24 |\host.h.|   msc $|
|00001f80| 28 43 46 4c 41 47 53 29 | 20 24 2a 3b 0a 0a 64 63 |(CFLAGS)| $*;..dc|
|00001f90| 70 67 70 6b 74 2e 6f 62 | 6a 3a 20 64 63 70 67 70 |pgpkt.ob|j: dcpgp|
|00001fa0| 6b 74 2e 63 20 64 63 70 | 2e 68 20 68 6f 73 74 2e |kt.c dcp|.h host.|
|00001fb0| 68 20 6c 6f 63 61 6c 5c | 68 6f 73 74 2e 68 0a 20 |h local\|host.h. |
|00001fc0| 20 20 6d 73 63 20 24 28 | 43 46 4c 41 47 53 29 20 |  msc $(|CFLAGS) |
|00001fd0| 24 2a 3b 0a 0a 72 6d 61 | 69 6c 2e 6f 62 6a 3a 20 |$*;..rma|il.obj: |
|00001fe0| 72 6d 61 69 6c 2e 63 20 | 70 63 6d 61 69 6c 2e 63 |rmail.c |pcmail.c|
|00001ff0| 20 68 6f 73 74 2e 68 20 | 6c 6f 63 61 6c 5c 68 6f | host.h |local\ho|
|00002000| 73 74 2e 68 0a 20 20 20 | 6d 73 63 20 24 28 43 46 |st.h.   |msc $(CF|
|00002010| 4c 41 47 53 29 20 24 2a | 3b 0a 0a 75 6c 69 62 2e |LAGS) $*|;..ulib.|
|00002020| 6f 62 6a 3a 20 75 6c 69 | 62 2e 63 20 6c 6f 63 61 |obj: uli|b.c loca|
|00002030| 6c 5c 75 6c 69 62 2e 63 | 20 64 63 70 2e 68 20 63 |l\ulib.c| dcp.h c|
|00002040| 6f 6d 6d 2e 68 0a 20 20 | 20 6d 73 63 20 24 28 43 |omm.h.  | msc $(C|
|00002050| 46 4c 41 47 53 29 20 24 | 2a 3b 0a 0a 63 6f 6d 6d |FLAGS) $|*;..comm|
|00002060| 2e 6f 62 6a 3a 20 63 6f | 6d 6d 2e 61 73 6d 0a 20 |.obj: co|mm.asm. |
|00002070| 20 20 6d 61 73 6d 20 2f | 4d 58 20 63 6f 6d 6d 3b |  masm /|MX comm;|
|00002080| 0a 0a 6c 6f 63 61 6c 5c | 6e 64 69 72 2e 6f 62 6a |..local\|ndir.obj|
|00002090| 3a 20 6c 6f 63 61 6c 5c | 6e 64 69 72 2e 63 20 6c |: local\|ndir.c l|
|000020a0| 6f 63 61 6c 5c 6e 64 69 | 72 2e 68 0a 20 20 20 6d |ocal\ndi|r.h.   m|
|000020b0| 73 63 20 24 28 43 46 4c | 41 47 53 29 20 6c 6f 63 |sc $(CFL|AGS) loc|
|000020c0| 61 6c 5c 6e 64 69 72 2e | 63 2c 6c 6f 63 61 6c 5c |al\ndir.|c,local\|
|000020d0| 6e 64 69 72 2e 6f 62 6a | 3b 0a 0a 0a 23 20 20 20 |ndir.obj|;...#   |
|000020e0| 54 68 65 20 6d 61 69 6c | 65 72 20 55 41 20 70 72 |The mail|er UA pr|
|000020f0| 6f 67 72 61 6d 20 28 61 | 20 6d 61 69 6c 20 77 6f |ogram (a| mail wo|
|00002100| 72 6b 2d 61 6c 69 6b 65 | 29 0a 0a 4d 41 49 4c 4f |rk-alike|)..MAILO|
|00002110| 42 4a 53 3d 6d 61 69 6c | 68 6f 73 74 2e 6f 62 6a |BJS=mail|host.obj|
|00002120| 20 6d 61 69 6c 2e 6f 62 | 6a 20 6c 6d 61 69 6c 2e | mail.ob|j lmail.|
|00002130| 6f 62 6a 20 6d 6c 69 62 | 2e 6f 62 6a 20 6c 69 62 |obj mlib|.obj lib|
|00002140| 2e 6f 62 6a 0a 0a 6d 61 | 69 6c 3a 20 6d 61 69 6c |.obj..ma|il: mail|
|00002150| 2e 65 78 65 0a 0a 6d 61 | 69 6c 2e 65 78 65 3a 20 |.exe..ma|il.exe: |
|00002160| 24 28 4d 41 49 4c 4f 42 | 4a 53 29 0a 20 20 20 6c |$(MAILOB|JS).   l|
|00002170| 69 6e 6b 20 2f 4e 4f 49 | 20 2f 53 54 41 43 4b 3a |ink /NOI| /STACK:|
|00002180| 34 30 39 36 20 24 28 4c | 46 4c 41 47 53 29 20 24 |4096 $(L|FLAGS) $|
|00002190| 28 4d 41 49 4c 4f 42 4a | 53 29 2c 24 40 3b 0a 0a |(MAILOBJ|S),$@;..|
|000021a0| 6c 6d 61 69 6c 2e 6f 62 | 6a 3a 20 6c 6d 61 69 6c |lmail.ob|j: lmail|
|000021b0| 2e 63 20 70 63 6d 61 69 | 6c 2e 63 20 68 6f 73 74 |.c pcmai|l.c host|
|000021c0| 2e 68 20 6c 6f 63 61 6c | 5c 68 6f 73 74 2e 68 0a |.h local|\host.h.|
|000021d0| 20 20 20 6d 73 63 20 24 | 28 43 46 4c 41 47 53 29 |   msc $|(CFLAGS)|
|000021e0| 20 24 2a 3b 0a 0a 6d 61 | 69 6c 68 6f 73 74 2e 6f | $*;..ma|ilhost.o|
|000021f0| 62 6a 3a 20 6d 61 69 6c | 68 6f 73 74 2e 63 20 6c |bj: mail|host.c l|
|00002200| 6f 63 61 6c 5c 68 6f 73 | 74 2e 63 20 68 6f 73 74 |ocal\hos|t.c host|
|00002210| 2e 68 20 6c 6f 63 61 6c | 5c 68 6f 73 74 2e 68 0a |.h local|\host.h.|
|00002220| 20 20 20 6d 73 63 20 24 | 28 43 46 4c 41 47 53 29 |   msc $|(CFLAGS)|
|00002230| 20 24 2a 3b 0a 0a 6d 61 | 69 6c 2e 6f 62 6a 3a 20 | $*;..ma|il.obj: |
|00002240| 6d 61 69 6c 2e 63 20 68 | 6f 73 74 2e 68 20 6c 6f |mail.c h|ost.h lo|
|00002250| 63 61 6c 5c 68 6f 73 74 | 2e 68 0a 20 20 20 6d 73 |cal\host|.h.   ms|
|00002260| 63 20 24 28 43 46 4c 41 | 47 53 29 20 24 2a 3b 0a |c $(CFLA|GS) $*;.|
|00002270| 0a 6d 6c 69 62 2e 6f 62 | 6a 3a 20 6d 6c 69 62 2e |.mlib.ob|j: mlib.|
|00002280| 63 20 6c 6f 63 61 6c 5c | 6d 6c 69 62 2e 63 0a 20 |c local\|mlib.c. |
|00002290| 20 20 6d 73 63 20 24 28 | 43 46 4c 41 47 53 29 20 |  msc $(|CFLAGS) |
|000022a0| 24 2a 3b 0a 0a 0a 23 20 | 20 20 54 68 65 20 63 6f |$*;...# |  The co|
|000022b0| 6d 6d 6f 6e 20 73 74 75 | 66 66 0a 0a 6c 69 62 2e |mmon stu|ff..lib.|
|000022c0| 6f 62 6a 3a 20 6c 69 62 | 2e 63 0a 20 20 20 6d 73 |obj: lib|.c.   ms|
|000022d0| 63 20 24 28 43 46 4c 41 | 47 53 29 20 24 2a 3b 0a |c $(CFLA|GS) $*;.|
|000022e0| 0a 53 48 41 52 5f 45 4f | 46 0a 63 68 6d 6f 64 20 |.SHAR_EO|F.chmod |
|000022f0| 2b 78 20 27 64 6f 73 2f | 4d 61 6b 65 66 69 6c 65 |+x 'dos/|Makefile|
|00002300| 2e 64 6f 73 27 0a 66 69 | 20 23 20 65 6e 64 20 6f |.dos'.fi| # end o|
|00002310| 66 20 6f 76 65 72 77 72 | 69 74 69 6e 67 20 63 68 |f overwr|iting ch|
|00002320| 65 63 6b 0a 69 66 20 74 | 65 73 74 20 2d 66 20 27 |eck.if t|est -f '|
|00002330| 64 6f 73 2f 63 6f 6d 6d | 2e 61 73 6d 27 0a 74 68 |dos/comm|.asm'.th|
|00002340| 65 6e 0a 20 20 20 20 20 | 20 20 65 63 68 6f 20 73 |en.     |  echo s|
|00002350| 68 61 72 3a 20 77 69 6c | 6c 20 6e 6f 74 20 6f 76 |har: wil|l not ov|
|00002360| 65 72 2d 77 72 69 74 65 | 20 65 78 69 73 74 69 6e |er-write| existin|
|00002370| 67 20 66 69 6c 65 20 22 | 27 64 6f 73 2f 63 6f 6d |g file "|'dos/com|
|00002380| 6d 2e 61 73 6d 27 22 0a | 65 6c 73 65 0a 63 61 74 |m.asm'".|else.cat|
|00002390| 20 3c 3c 20 5c 53 48 41 | 52 5f 45 4f 46 20 3e 20 | << \SHA|R_EOF > |
|000023a0| 27 64 6f 73 2f 63 6f 6d | 6d 2e 61 73 6d 27 0a 09 |'dos/com|m.asm'..|
|000023b0| 54 49 54 4c 45 20 20 20 | 43 4f 4d 5f 50 4b 47 32 |TITLE   |COM_PKG2|
|000023c0| 20 2d 2d 20 4c 61 73 74 | 20 75 70 64 61 74 65 64 | -- Last| updated|
|000023d0| 20 31 30 2f 36 2f 38 35 | 0a 20 20 20 20 20 20 20 | 10/6/85|.       |
|000023e0| 20 50 41 47 45 20 20 20 | 20 37 35 2c 31 33 32 0a | PAGE   | 75,132.|
|000023f0| 3b 0a 3b 09 6d 6f 64 69 | 66 69 65 64 20 74 6f 20 |;.;.modi|fied to |
|00002400| 75 73 65 20 4d 53 43 20 | 63 61 6c 6c 69 6e 67 20 |use MSC |calling |
|00002410| 73 65 71 75 65 6e 63 65 | 2e 0a 3b 09 6a 72 72 20 |sequence|..;.jrr |
|00002420| 33 2f 38 36 0a 3b 0a 3b | 20 43 6f 6d 6d 75 6e 69 |3/86.;.;| Communi|
|00002430| 63 61 74 69 6f 6e 73 20 | 50 61 63 6b 61 67 65 20 |cations |Package |
|00002440| 66 6f 72 20 74 68 65 20 | 49 42 4d 20 50 43 2c 20 |for the |IBM PC, |
|00002450| 58 54 2c 20 41 54 20 61 | 6e 64 20 50 43 6a 72 0a |XT, AT a|nd PCjr.|
|00002460| 3b 20 61 6e 64 20 73 74 | 72 69 63 74 20 63 6f 6d |; and st|rict com|
|00002470| 70 61 74 69 62 6c 65 73 | 2e 0a 3b 20 4d 61 79 20 |patibles|..; May |
|00002480| 62 65 20 63 6f 70 69 65 | 64 20 61 6e 64 20 75 73 |be copie|d and us|
|00002490| 65 64 20 66 72 65 65 6c | 79 20 2d 2d 20 54 68 69 |ed freel|y -- Thi|
|000024a0| 73 20 69 73 20 61 20 70 | 75 62 6c 69 63 20 64 6f |s is a p|ublic do|
|000024b0| 6d 61 69 6e 20 70 72 6f | 67 72 61 6d 0a 3b 20 44 |main pro|gram.; D|
|000024c0| 65 76 65 6c 6f 70 65 64 | 20 62 79 20 52 69 63 68 |eveloped| by Rich|
|000024d0| 61 72 64 20 47 69 6c 6c | 6d 61 6e 6e 2c 20 4a 6f |ard Gill|mann, Jo|
|000024e0| 68 6e 20 52 6f 6d 6b 65 | 79 2c 20 4a 65 72 72 79 |hn Romke|y, Jerry|
|000024f0| 20 53 61 6c 74 7a 65 72 | 2c 0a 3b 20 43 72 61 69 | Saltzer|,.; Crai|
|00002500| 67 20 4d 69 6c 6f 20 52 | 6f 67 65 72 73 2c 20 44 |g Milo R|ogers, D|
|00002510| 61 76 65 20 4d 69 74 74 | 6f 6e 20 61 6e 64 20 4c |ave Mitt|on and L|
|00002520| 61 72 72 79 20 41 66 72 | 69 6e 2e 0a 3b 0a 3b 20 |arry Afr|in..;.; |
|00002530| 57 65 27 64 20 73 75 72 | 65 20 6c 69 6b 65 20 74 |We'd sur|e like t|
|00002540| 6f 20 73 65 65 20 61 6e | 79 20 69 6d 70 72 6f 76 |o see an|y improv|
|00002550| 65 6d 65 6e 74 73 20 79 | 6f 75 20 6d 69 67 68 74 |ements y|ou might|
|00002560| 20 6d 61 6b 65 2e 0a 3b | 20 50 6c 65 61 73 65 20 | make..;| Please |
|00002570| 73 65 6e 64 20 61 6c 6c | 20 63 6f 6d 6d 65 6e 74 |send all| comment|
|00002580| 73 20 61 6e 64 20 71 75 | 65 72 69 65 73 20 61 62 |s and qu|eries ab|
|00002590| 6f 75 74 20 74 68 69 73 | 20 70 61 63 6b 61 67 65 |out this| package|
|000025a0| 0a 3b 20 74 6f 20 47 49 | 4c 4c 4d 41 4e 4e 40 55 |.; to GI|LLMANN@U|
|000025b0| 53 43 2d 49 53 49 42 2e | 41 52 50 41 0a 3b 0a 3b |SC-ISIB.|ARPA.;.;|
|000025c0| 20 6f 20 53 75 70 70 6f | 72 74 73 20 62 6f 74 68 | o Suppo|rts both|
|000025d0| 20 73 65 72 69 61 6c 20 | 70 6f 72 74 73 20 73 69 | serial |ports si|
|000025e0| 6d 75 6c 74 61 6e 65 6f | 75 73 6c 79 0a 3b 20 6f |multaneo|usly.; o|
|000025f0| 20 41 6c 6c 20 73 70 65 | 65 64 73 20 74 6f 20 31 | All spe|eds to 1|
|00002600| 39 32 30 30 20 62 61 75 | 64 0a 3b 20 6f 20 43 6f |9200 bau|d.; o Co|
|00002610| 6d 70 61 74 69 62 6c 65 | 20 77 69 74 68 20 50 43 |mpatible| with PC|
|00002620| 2c 20 58 54 2c 20 41 54 | 20 61 6e 64 20 50 43 6a |, XT, AT| and PCj|
|00002630| 72 2e 0a 3b 20 6f 20 42 | 75 69 6c 74 20 69 6e 20 |r..; o B|uilt in |
|00002640| 58 4f 4e 2f 58 4f 46 46 | 20 66 6c 6f 77 20 63 6f |XON/XOFF| flow co|
|00002650| 6e 74 72 6f 6c 20 6f 70 | 74 69 6f 6e 0a 3b 20 6f |ntrol op|tion.; o|
|00002660| 20 41 73 73 65 6d 62 6c | 79 20 6c 61 6e 67 75 61 | Assembl|y langua|
|00002670| 67 65 20 63 61 6c 6c 69 | 6e 67 20 63 6f 6e 76 65 |ge calli|ng conve|
|00002680| 6e 74 69 6f 6e 73 0a 3b | 20 6f 20 4c 6f 67 73 20 |ntions.;| o Logs |
|00002690| 61 6c 6c 20 63 6f 6d 6d | 20 65 72 72 6f 72 73 0a |all comm| errors.|
|000026a0| 3b 20 6f 20 44 69 72 65 | 63 74 20 63 6f 6e 6e 65 |; o Dire|ct conne|
|000026b0| 63 74 20 6f 72 20 6d 6f | 64 65 6d 20 70 72 6f 74 |ct or mo|dem prot|
|000026c0| 6f 63 6f 6c 0a 3b 0a 3b | 20 4d 41 58 49 4d 55 4d |ocol.;.;| MAXIMUM|
|000026d0| 20 42 55 46 46 45 52 20 | 53 49 5a 45 53 0a 52 5f | BUFFER |SIZES.R_|
|000026e0| 53 49 5a 45 09 45 51 55 | 20 20 20 20 20 35 30 30 |SIZE.EQU|     500|
|000026f0| 09 09 3b 20 53 49 5a 45 | 20 4f 46 20 52 45 43 45 |..; SIZE| OF RECE|
|00002700| 49 56 45 20 42 55 46 46 | 45 52 53 0a 53 5f 53 49 |IVE BUFF|ERS.S_SI|
|00002710| 5a 45 09 45 51 55 20 20 | 20 20 20 35 30 30 09 09 |ZE.EQU  |   500..|
|00002720| 3b 20 53 49 5a 45 20 4f | 46 20 54 52 41 4e 53 4d |; SIZE O|F TRANSM|
|00002730| 49 54 20 42 55 46 46 45 | 52 53 20 72 68 6c 2f 34 |IT BUFFE|RS rhl/4|
|00002740| 2f 38 36 0a 3b 20 49 4e | 54 45 52 52 55 50 54 20 |/86.; IN|TERRUPT |
|00002750| 4e 55 4d 42 45 52 53 0a | 49 4e 54 5f 43 4f 4d 31 |NUMBERS.|INT_COM1|
|00002760| 20 45 51 55 09 30 43 48 | 09 09 3b 20 43 4f 4d 31 | EQU.0CH|..; COM1|
|00002770| 3a 20 46 52 4f 4d 20 38 | 32 35 39 0a 49 4e 54 5f |: FROM 8|259.INT_|
|00002780| 43 4f 4d 32 20 45 51 55 | 09 30 42 48 09 09 3b 20 |COM2 EQU|.0BH..; |
|00002790| 43 4f 4d 32 3a 20 46 52 | 4f 4d 20 38 32 35 39 0a |COM2: FR|OM 8259.|
|000027a0| 3b 20 38 32 35 39 20 50 | 4f 52 54 53 0a 49 4e 54 |; 8259 P|ORTS.INT|
|000027b0| 41 30 30 20 20 45 51 55 | 20 20 20 20 20 32 30 48 |A00  EQU|     20H|
|000027c0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 3b 20 38 |        |     ; 8|
|000027d0| 32 35 39 41 20 50 4f 52 | 54 2c 20 41 30 20 3d 20 |259A POR|T, A0 = |
|000027e0| 30 0a 49 4e 54 41 30 31 | 20 20 45 51 55 20 20 20 |0.INTA01|  EQU   |
|000027f0| 20 20 32 31 48 20 20 20 | 20 20 20 20 20 20 20 20 |  21H   |        |
|00002800| 20 20 3b 20 38 32 35 39 | 41 20 50 4f 52 54 2c 20 |  ; 8259|A PORT, |
|00002810| 41 30 20 3d 20 31 0a 3b | 20 43 4f 4d 31 3a 20 4c |A0 = 1.;| COM1: L|
|00002820| 45 56 45 4c 20 34 0a 49 | 52 51 34 09 45 51 55 09 |EVEL 4.I|RQ4.EQU.|
|00002830| 32 2a 32 2a 32 2a 32 09 | 09 09 3b 20 38 32 35 39 |2*2*2*2.|..; 8259|
|00002840| 41 20 4f 43 57 31 20 4d | 41 53 4b 2c 20 4d 34 3d |A OCW1 M|ASK, M4=|
|00002850| 31 2c 20 41 30 3d 30 0a | 4e 49 52 51 34 09 45 51 |1, A0=0.|NIRQ4.EQ|
|00002860| 55 09 4e 4f 54 20 49 52 | 51 34 20 41 4e 44 20 30 |U.NOT IR|Q4 AND 0|
|00002870| 46 46 48 09 3b 20 43 4f | 4d 50 4c 45 4d 45 4e 54 |FFH.; CO|MPLEMENT|
|00002880| 20 4f 46 20 41 42 4f 56 | 45 0a 45 4f 49 34 09 45 | OF ABOV|E.EOI4.E|
|00002890| 51 55 09 34 20 4f 52 20 | 30 31 31 30 30 30 30 30 |QU.4 OR |01100000|
|000028a0| 42 09 09 3b 20 38 32 35 | 39 41 20 4f 43 57 32 20 |B..; 825|9A OCW2 |
|000028b0| 53 50 45 43 49 46 49 43 | 20 49 52 51 34 20 45 4f |SPECIFIC| IRQ4 EO|
|000028c0| 49 2c 20 41 30 3d 30 0a | 3b 20 43 4f 4d 32 3a 20 |I, A0=0.|; COM2: |
|000028d0| 4c 45 56 45 4c 20 33 0a | 49 52 51 33 09 45 51 55 |LEVEL 3.|IRQ3.EQU|
|000028e0| 09 32 2a 32 2a 32 09 09 | 09 3b 20 38 32 35 39 41 |.2*2*2..|.; 8259A|
|000028f0| 20 4f 43 57 31 20 4d 41 | 53 4b 2c 20 4d 33 3d 31 | OCW1 MA|SK, M3=1|
|00002900| 2c 20 41 30 3d 30 0a 4e | 49 52 51 33 09 45 51 55 |, A0=0.N|IRQ3.EQU|
|00002910| 09 4e 4f 54 20 49 52 51 | 33 20 41 4e 44 20 30 46 |.NOT IRQ|3 AND 0F|
|00002920| 46 48 09 3b 20 43 4f 4d | 50 4c 45 4d 45 4e 54 20 |FH.; COM|PLEMENT |
|00002930| 4f 46 20 41 42 4f 56 45 | 0a 45 4f 49 33 09 45 51 |OF ABOVE|.EOI3.EQ|
|00002940| 55 09 33 20 4f 52 20 30 | 31 31 30 30 30 30 30 42 |U.3 OR 0|1100000B|
|00002950| 09 09 3b 20 38 32 35 39 | 41 20 4f 43 57 32 20 53 |..; 8259|A OCW2 S|
|00002960| 50 45 43 49 46 49 43 20 | 49 52 51 33 20 45 4f 49 |PECIFIC |IRQ3 EOI|
|00002970| 2c 20 41 30 3d 30 0a 3b | 20 46 4c 4f 57 20 43 4f |, A0=0.;| FLOW CO|
|00002980| 4e 54 52 4f 4c 20 43 48 | 41 52 41 43 54 45 52 53 |NTROL CH|ARACTERS|
|00002990| 0a 43 4f 4e 54 52 4f 4c | 5f 51 20 45 51 55 09 31 |.CONTROL|_Q EQU.1|
|000029a0| 31 48 09 09 3b 20 58 4f | 4e 0a 43 4f 4e 54 52 4f |1H..; XO|N.CONTRO|
|000029b0| 4c 5f 53 20 45 51 55 09 | 31 33 48 09 09 3b 20 58 |L_S EQU.|13H..; X|
|000029c0| 4f 46 46 0a 3b 20 4d 49 | 53 43 2e 0a 44 4f 53 09 |OFF.; MI|SC..DOS.|
|000029d0| 45 51 55 09 32 31 48 09 | 09 3b 20 44 4f 53 20 46 |EQU.21H.|.; DOS F|
|000029e0| 55 4e 43 54 49 4f 4e 20 | 43 41 4c 4c 53 0a 09 50 |UNCTION |CALLS..P|
|000029f0| 41 47 45 0a 3b 0a 3b 20 | 52 4f 4d 20 42 49 4f 53 |AGE.;.; |ROM BIOS|
|00002a00| 20 44 61 74 61 20 41 72 | 65 61 0a 3b 0a 52 42 44 | Data Ar|ea.;.RBD|
|00002a10| 41 09 53 45 47 4d 45 4e | 54 09 41 54 20 34 30 48 |A.SEGMEN|T.AT 40H|
|00002a20| 0a 52 53 32 33 32 5f 42 | 41 53 45 20 44 57 09 34 |.RS232_B|ASE DW.4|
|00002a30| 20 44 55 50 28 3f 29 09 | 3b 20 41 44 44 52 45 53 | DUP(?).|; ADDRES|
|00002a40| 53 45 53 20 4f 46 20 52 | 53 32 33 32 20 41 44 41 |SES OF R|S232 ADA|
|00002a50| 50 54 45 52 53 0a 52 42 | 44 41 09 45 4e 44 53 0a |PTERS.RB|DA.ENDS.|
|00002a60| 3b 0a 3b 20 52 4f 4d 20 | 50 43 2d 54 79 70 65 20 |;.; ROM |PC-Type |
|00002a70| 49 44 45 4e 54 0a 3b 0a | 52 4f 4d 09 53 45 47 4d |IDENT.;.|ROM.SEGM|
|00002a80| 45 4e 54 09 41 54 20 30 | 46 30 30 30 48 0a 09 4f |ENT.AT 0|F000H..O|
|00002a90| 52 47 09 30 46 46 46 45 | 48 0a 52 4f 4d 49 44 09 |RG.0FFFE|H.ROMID.|
|00002aa0| 44 42 09 3f 09 09 3b 20 | 30 46 46 48 3d 50 43 20 |DB.?..; |0FFH=PC |
|00002ab0| 4f 52 20 45 41 52 4c 59 | 20 58 54 2c 20 30 46 45 |OR EARLY| XT, 0FE|
|00002ac0| 48 3d 58 54 2c 20 30 46 | 44 48 3d 4a 52 0a 52 4f |H=XT, 0F|DH=JR.RO|
|00002ad0| 4d 09 45 4e 44 53 0a 20 | 20 20 20 20 20 20 20 50 |M.ENDS. |       P|
|00002ae0| 41 47 45 0a 3b 0a 3b 20 | 54 41 42 4c 45 20 46 4f |AGE.;.; |TABLE FO|
|00002af0| 52 20 45 41 43 48 20 53 | 45 52 49 41 4c 20 50 4f |R EACH S|ERIAL PO|
|00002b00| 52 54 0a 3b 0a 53 50 5f | 54 41 42 09 09 53 54 52 |RT.;.SP_|TAB..STR|
|00002b10| 55 43 0a 50 4f 52 54 09 | 09 44 42 09 3f 09 3b 20 |UC.PORT.|.DB.?.; |
|00002b20| 31 20 4f 52 20 32 0a 3b | 20 50 41 52 41 4d 45 54 |1 OR 2.;| PARAMET|
|00002b30| 45 52 53 20 46 4f 52 20 | 54 48 49 53 20 49 4e 54 |ERS FOR |THIS INT|
|00002b40| 45 52 52 55 50 54 20 4c | 45 56 45 4c 0a 49 4e 54 |ERRUPT L|EVEL.INT|
|00002b50| 5f 43 4f 4d 09 09 44 42 | 09 3f 09 3b 20 49 4e 54 |_COM..DB|.?.; INT|
|00002b60| 45 52 52 55 50 54 20 4e | 55 4d 42 45 52 0a 49 52 |ERRUPT N|UMBER.IR|
|00002b70| 51 09 09 44 42 09 3f 09 | 3b 20 38 32 35 39 41 20 |Q..DB.?.|; 8259A |
|00002b80| 4f 43 57 31 20 4d 41 53 | 4b 0a 4e 49 52 51 09 09 |OCW1 MAS|K.NIRQ..|
|00002b90| 44 42 09 3f 09 3b 20 43 | 4f 4d 50 4c 45 4d 45 4e |DB.?.; C|OMPLEMEN|
|00002ba0| 54 20 4f 46 20 41 42 4f | 56 45 0a 45 4f 49 09 09 |T OF ABO|VE.EOI..|
|00002bb0| 44 42 09 3f 09 3b 20 38 | 32 35 39 41 20 4f 43 57 |DB.?.; 8|259A OCW|
|00002bc0| 32 20 53 50 45 43 49 46 | 49 43 20 45 4e 44 20 4f |2 SPECIF|IC END O|
|00002bd0| 46 20 49 4e 54 45 52 52 | 55 50 54 0a 3b 20 49 4e |F INTERR|UPT.; IN|
|00002be0| 54 45 52 52 55 50 54 20 | 48 41 4e 44 4c 45 52 53 |TERRUPT |HANDLERS|
|00002bf0| 20 46 4f 52 20 54 48 49 | 53 20 4c 45 56 45 4c 0a | FOR THI|S LEVEL.|
|00002c00| 49 4e 54 5f 48 4e 44 4c | 52 09 44 57 09 3f 09 3b |INT_HNDL|R.DW.?.;|
|00002c10| 20 4f 46 46 53 45 54 20 | 54 4f 20 49 4e 54 45 52 | OFFSET |TO INTER|
|00002c20| 52 55 50 54 20 48 41 4e | 44 4c 45 52 0a 4f 4c 44 |RUPT HAN|DLER.OLD|
|00002c30| 5f 43 4f 4d 5f 4f 46 46 | 09 44 57 09 3f 09 3b 20 |_COM_OFF|.DW.?.; |
|00002c40| 4f 4c 44 20 48 41 4e 44 | 4c 45 52 27 53 20 4f 46 |OLD HAND|LER'S OF|
|00002c50| 46 53 45 54 0a 4f 4c 44 | 5f 43 4f 4d 5f 53 45 47 |FSET.OLD|_COM_SEG|
|00002c60| 09 44 57 09 3f 09 3b 20 | 4f 4c 44 20 48 41 4e 44 |.DW.?.; |OLD HAND|
|00002c70| 4c 45 52 27 53 20 53 45 | 47 4d 45 4e 54 0a 3b 20 |LER'S SE|GMENT.; |
|00002c80| 41 54 54 52 49 42 55 54 | 45 53 0a 49 4e 53 54 41 |ATTRIBUT|ES.INSTA|
|00002c90| 4c 4c 45 44 09 44 42 09 | 3f 09 3b 20 49 53 20 50 |LLED.DB.|?.; IS P|
|00002ca0| 4f 52 54 20 49 4e 53 54 | 41 4c 4c 45 44 20 4f 4e |ORT INST|ALLED ON|
|00002cb0| 20 54 48 49 53 20 50 43 | 3f 20 28 31 3d 59 45 53 | THIS PC|? (1=YES|
|00002cc0| 2c 30 3d 4e 4f 29 0a 42 | 41 55 44 5f 52 41 54 45 |,0=NO).B|AUD_RATE|
|00002cd0| 09 44 57 09 3f 09 3b 20 | 31 39 32 30 30 20 4d 41 |.DW.?.; |19200 MA|
|00002ce0| 58 0a 43 4f 4e 4e 45 43 | 54 49 4f 4e 09 44 42 09 |X.CONNEC|TION.DB.|
|00002cf0| 3f 09 3b 20 4d 28 4f 44 | 45 4d 29 2c 20 44 28 49 |?.; M(OD|EM), D(I|
|00002d00| 52 45 43 54 29 0a 50 41 | 52 49 54 59 09 09 44 42 |RECT).PA|RITY..DB|
|00002d10| 09 3f 09 3b 20 4e 28 4f | 4e 45 29 2c 20 4f 28 44 |.?.; N(O|NE), O(D|
|00002d20| 44 29 2c 20 45 28 56 45 | 4e 29 2c 20 53 28 50 41 |D), E(VE|N), S(PA|
|00002d30| 43 45 29 2c 20 4d 28 41 | 52 4b 29 0a 53 54 4f 50 |CE), M(A|RK).STOP|
|00002d40| 5f 42 49 54 53 09 44 42 | 09 3f 09 3b 20 31 2c 20 |_BITS.DB|.?.; 1, |
|00002d50| 32 0a 58 4f 4e 5f 58 4f | 46 46 09 44 42 09 3f 09 |2.XON_XO|FF.DB.?.|
|00002d60| 3b 20 45 28 4e 41 42 4c | 45 44 29 2c 20 44 28 49 |; E(NABL|ED), D(I|
|00002d70| 53 41 42 4c 45 44 29 0a | 3b 20 46 4c 4f 57 20 43 |SABLED).|; FLOW C|
|00002d80| 4f 4e 54 52 4f 4c 20 53 | 54 41 54 45 0a 48 4f 53 |ONTROL S|TATE.HOS|
|00002d90| 54 5f 4f 46 46 09 44 42 | 09 3f 09 3b 20 48 4f 53 |T_OFF.DB|.?.; HOS|
|00002da0| 54 20 58 4f 46 46 27 45 | 44 20 28 31 3d 59 45 53 |T XOFF'E|D (1=YES|
|00002db0| 2c 30 3d 4e 4f 29 0a 50 | 43 5f 4f 46 46 09 09 44 |,0=NO).P|C_OFF..D|
|00002dc0| 42 09 3f 09 3b 20 50 43 | 20 58 4f 46 46 27 45 44 |B.?.; PC| XOFF'ED|
|00002dd0| 20 28 31 3d 59 45 53 2c | 30 3d 4e 4f 29 0a 3b 20 | (1=YES,|0=NO).; |
|00002de0| 45 52 52 4f 52 20 43 4f | 55 4e 54 53 0a 45 52 52 |ERROR CO|UNTS.ERR|
|00002df0| 4f 52 5f 42 4c 4f 43 4b | 09 44 57 09 38 20 44 55 |OR_BLOCK|.DW.8 DU|
|00002e00| 50 28 3f 29 09 3b 20 45 | 49 47 48 54 20 45 52 52 |P(?).; E|IGHT ERR|
|00002e10| 4f 52 20 43 4f 55 4e 54 | 45 52 53 0a 3b 20 38 32 |OR COUNT|ERS.; 82|
|00002e20| 35 30 20 50 4f 52 54 53 | 0a 44 41 54 52 45 47 09 |50 PORTS|.DATREG.|
|00002e30| 09 44 57 09 3f 09 3b 20 | 44 41 54 41 20 52 45 47 |.DW.?.; |DATA REG|
|00002e40| 49 53 54 45 52 0a 49 45 | 52 09 09 44 57 09 3f 09 |ISTER.IE|R..DW.?.|
|00002e50| 3b 20 49 4e 54 45 52 52 | 55 50 54 20 45 4e 41 42 |; INTERR|UPT ENAB|
|00002e60| 4c 45 20 52 45 47 49 53 | 54 45 52 0a 49 49 52 09 |LE REGIS|TER.IIR.|
|00002e70| 09 44 57 20 20 20 20 20 | 20 3f 09 3b 20 49 4e 54 |.DW     | ?.; INT|
|00002e80| 45 52 52 55 50 54 20 49 | 44 45 4e 54 49 46 49 43 |ERRUPT I|DENTIFIC|
|00002e90| 41 54 49 4f 4e 20 52 45 | 47 49 53 54 45 52 0a 4c |ATION RE|GISTER.L|
|00002ea0| 43 52 09 09 44 57 20 20 | 20 20 20 20 3f 09 3b 20 |CR..DW  |    ?.; |
|00002eb0| 4c 49 4e 45 20 43 4f 4e | 54 52 4f 4c 20 52 45 47 |LINE CON|TROL REG|
|00002ec0| 49 53 54 45 52 0a 4d 43 | 52 09 09 44 57 20 20 20 |ISTER.MC|R..DW   |
|00002ed0| 20 20 20 3f 09 3b 20 4d | 4f 44 45 4d 20 43 4f 4e |   ?.; M|ODEM CON|
|00002ee0| 54 52 4f 4c 20 52 45 47 | 49 53 54 45 52 0a 4c 53 |TROL REG|ISTER.LS|
|00002ef0| 52 09 09 44 57 20 20 20 | 20 20 20 3f 09 3b 20 4c |R..DW   |   ?.; L|
|00002f00| 49 4e 45 20 53 54 41 54 | 55 53 20 52 45 47 49 53 |INE STAT|US REGIS|
|00002f10| 54 45 52 0a 4d 53 52 09 | 09 44 57 20 20 20 20 20 |TER.MSR.|.DW     |
|00002f20| 20 3f 09 3b 20 4d 4f 44 | 45 4d 20 53 54 41 54 55 | ?.; MOD|EM STATU|
|00002f30| 53 20 52 45 47 49 53 54 | 45 52 0a 3b 20 42 55 46 |S REGIST|ER.; BUF|
|00002f40| 46 45 52 20 50 4f 49 4e | 54 45 52 53 0a 53 54 41 |FER POIN|TERS.STA|
|00002f50| 52 54 5f 54 44 41 54 41 | 20 20 20 20 20 44 57 20 |RT_TDATA|     DW |
|00002f60| 20 20 20 20 20 3f 20 20 | 20 20 20 20 20 3b 20 49 |     ?  |     ; I|
|00002f70| 4e 44 45 58 20 54 4f 20 | 46 49 52 53 54 20 43 48 |NDEX TO |FIRST CH|
|00002f80| 41 52 41 43 54 45 52 20 | 49 4e 20 58 2d 4d 49 54 |ARACTER |IN X-MIT|
|00002f90| 20 42 55 46 46 45 52 0a | 45 4e 44 5f 54 44 41 54 | BUFFER.|END_TDAT|
|00002fa0| 41 20 20 20 20 20 20 20 | 44 57 20 20 20 20 20 20 |A       |DW      |
|00002fb0| 3f 20 20 20 20 20 20 20 | 3b 20 49 4e 44 45 58 20 |?       |; INDEX |
|00002fc0| 54 4f 20 46 49 52 53 54 | 20 46 52 45 45 20 53 50 |TO FIRST| FREE SP|
|00002fd0| 41 43 45 20 49 4e 20 58 | 2d 4d 49 54 20 42 55 46 |ACE IN X|-MIT BUF|
|00002fe0| 46 45 52 0a 53 54 41 52 | 54 5f 52 44 41 54 41 20 |FER.STAR|T_RDATA |
|00002ff0| 20 20 20 20 44 57 20 20 | 20 20 20 20 3f 20 20 20 |    DW  |    ?   |
|00003000| 20 20 20 20 3b 20 49 4e | 44 45 58 20 54 4f 20 46 |    ; IN|DEX TO F|
|00003010| 49 52 53 54 20 43 48 41 | 52 41 43 54 45 52 20 49 |IRST CHA|RACTER I|
|00003020| 4e 20 52 45 43 2e 20 42 | 55 46 46 45 52 0a 45 4e |N REC. B|UFFER.EN|
|00003030| 44 5f 52 44 41 54 41 20 | 20 20 20 20 20 20 44 57 |D_RDATA |      DW|
|00003040| 20 20 20 20 20 20 3f 20 | 20 20 20 20 20 20 3b 20 |      ? |      ; |
|00003050| 49 4e 44 45 58 20 54 4f | 20 46 49 52 53 54 20 46 |INDEX TO| FIRST F|
|00003060| 52 45 45 20 53 50 41 43 | 45 20 49 4e 20 52 45 43 |REE SPAC|E IN REC|
|00003070| 2e 20 42 55 46 46 45 52 | 0a 3b 20 42 55 46 46 45 |. BUFFER|.; BUFFE|
|00003080| 52 20 43 4f 55 4e 54 53 | 0a 53 49 5a 45 5f 54 44 |R COUNTS|.SIZE_TD|
|00003090| 41 54 41 20 20 20 20 20 | 20 44 57 20 20 20 20 20 |ATA     | DW     |
|000030a0| 20 3f 20 20 20 20 20 20 | 20 3b 20 4e 55 4d 42 45 | ?      | ; NUMBE|
|000030b0| 52 20 4f 46 20 43 48 41 | 52 41 43 54 45 52 53 20 |R OF CHA|RACTERS |
|000030c0| 49 4e 20 58 2d 4d 49 54 | 20 42 55 46 46 45 52 0a |IN X-MIT| BUFFER.|
|000030d0| 53 49 5a 45 5f 52 44 41 | 54 41 20 20 20 20 20 20 |SIZE_RDA|TA      |
|000030e0| 44 57 20 20 20 20 20 20 | 3f 20 20 20 20 20 20 20 |DW      |?       |
|000030f0| 3b 20 4e 55 4d 42 45 52 | 20 4f 46 20 43 48 41 52 |; NUMBER| OF CHAR|
|00003100| 41 43 54 45 52 53 20 49 | 4e 20 52 45 43 2e 20 42 |ACTERS I|N REC. B|
|00003110| 55 46 46 45 52 0a 3b 20 | 42 55 46 46 45 52 53 0a |UFFER.; |BUFFERS.|
|00003120| 54 44 41 54 41 20 20 20 | 20 20 20 20 20 20 20 20 |TDATA   |        |
|00003130| 44 42 20 20 20 20 20 20 | 53 5f 53 49 5a 45 20 44 |DB      |S_SIZE D|
|00003140| 55 50 28 3f 29 09 3b 20 | 53 45 4e 44 20 42 55 46 |UP(?).; |SEND BUF|
|00003150| 46 45 52 0a 52 44 41 54 | 41 20 20 20 20 20 20 20 |FER.RDAT|A       |
|00003160| 20 20 20 20 44 42 20 20 | 20 20 20 20 52 5f 53 49 |    DB  |    R_SI|
|00003170| 5a 45 20 44 55 50 28 3f | 29 09 3b 20 52 45 43 45 |ZE DUP(?|).; RECE|
|00003180| 49 56 45 20 42 55 46 46 | 45 52 0a 53 50 5f 54 41 |IVE BUFF|ER.SP_TA|
|00003190| 42 09 09 45 4e 44 53 0a | 3b 20 53 50 5f 54 41 42 |B..ENDS.|; SP_TAB|
|000031a0| 20 45 51 55 41 54 45 53 | 0a 3b 20 57 45 20 48 41 | EQUATES|.; WE HA|
|000031b0| 56 45 20 54 4f 20 55 53 | 45 20 54 48 45 53 45 20 |VE TO US|E THESE |
|000031c0| 42 45 43 41 55 53 45 20 | 4f 46 20 50 52 4f 42 4c |BECAUSE |OF PROBL|
|000031d0| 45 4d 53 20 57 49 54 48 | 20 53 54 52 55 43 0a 45 |EMS WITH| STRUC.E|
|000031e0| 4f 56 46 4c 4f 57 09 09 | 45 51 55 09 45 52 52 4f |OVFLOW..|EQU.ERRO|
|000031f0| 52 5f 42 4c 4f 43 4b 09 | 3b 20 42 55 46 46 45 52 |R_BLOCK.|; BUFFER|
|00003200| 20 4f 56 45 52 46 4c 4f | 57 53 0a 45 4f 56 52 55 | OVERFLO|WS.EOVRU|
|00003210| 4e 09 09 45 51 55 09 45 | 52 52 4f 52 5f 42 4c 4f |N..EQU.E|RROR_BLO|
|00003220| 43 4b 2b 32 09 3b 20 52 | 45 43 45 49 56 45 20 4f |CK+2.; R|ECEIVE O|
|00003230| 56 45 52 52 55 4e 53 0a | 45 42 52 45 41 4b 09 09 |VERRUNS.|EBREAK..|
|00003240| 45 51 55 09 45 52 52 4f | 52 5f 42 4c 4f 43 4b 2b |EQU.ERRO|R_BLOCK+|
|00003250| 34 09 3b 20 42 52 45 41 | 4b 20 43 48 41 52 53 0a |4.; BREA|K CHARS.|
|00003260| 45 46 52 41 4d 45 09 09 | 45 51 55 09 45 52 52 4f |EFRAME..|EQU.ERRO|
|00003270| 52 5f 42 4c 4f 43 4b 2b | 36 09 3b 20 46 52 41 4d |R_BLOCK+|6.; FRAM|
|00003280| 49 4e 47 20 45 52 52 4f | 52 53 0a 45 50 41 52 49 |ING ERRO|RS.EPARI|
|00003290| 54 59 09 09 45 51 55 09 | 45 52 52 4f 52 5f 42 4c |TY..EQU.|ERROR_BL|
|000032a0| 4f 43 4b 2b 38 09 3b 20 | 50 41 52 49 54 59 20 45 |OCK+8.; |PARITY E|
|000032b0| 52 52 4f 52 53 0a 45 58 | 4d 49 54 09 09 45 51 55 |RRORS.EX|MIT..EQU|
|000032c0| 09 45 52 52 4f 52 5f 42 | 4c 4f 43 4b 2b 31 30 09 |.ERROR_B|LOCK+10.|
|000032d0| 3b 20 54 52 41 4e 53 4d | 49 53 53 49 4f 4e 20 45 |; TRANSM|ISSION E|
|000032e0| 52 52 4f 52 53 0a 45 44 | 53 52 20 20 20 20 09 45 |RRORS.ED|SR    .E|
|000032f0| 51 55 09 45 52 52 4f 52 | 5f 42 4c 4f 43 4b 2b 31 |QU.ERROR|_BLOCK+1|
|00003300| 32 09 3b 20 44 41 54 41 | 20 53 45 54 20 52 45 41 |2.; DATA| SET REA|
|00003310| 44 59 20 45 52 52 4f 52 | 53 0a 45 43 54 53 20 20 |DY ERROR|S.ECTS  |
|00003320| 20 20 09 45 51 55 09 45 | 52 52 4f 52 5f 42 4c 4f |  .EQU.E|RROR_BLO|
|00003330| 43 4b 2b 31 34 09 3b 20 | 43 4c 45 41 52 20 54 4f |CK+14.; |CLEAR TO|
|00003340| 20 53 45 4e 44 20 45 52 | 52 4f 52 53 0a 44 4c 4c | SEND ER|RORS.DLL|
|00003350| 09 09 45 51 55 09 44 41 | 54 52 45 47 09 09 3b 20 |..EQU.DA|TREG..; |
|00003360| 4c 4f 57 20 44 49 56 49 | 53 4f 52 20 4c 41 54 43 |LOW DIVI|SOR LATC|
|00003370| 48 0a 44 4c 48 09 09 45 | 51 55 09 49 45 52 09 09 |H.DLH..E|QU.IER..|
|00003380| 3b 20 48 49 47 48 20 44 | 49 56 49 53 4f 52 20 4c |; HIGH D|IVISOR L|
|00003390| 41 54 43 48 0a 09 50 41 | 47 45 0a 3b 09 70 75 74 |ATCH..PA|GE.;.put|
|000033a0| 20 74 68 65 20 64 61 74 | 61 20 69 6e 20 74 68 65 | the dat|a in the|
|000033b0| 20 44 47 52 4f 55 50 20 | 73 65 67 6d 65 6e 74 0a | DGROUP |segment.|
|000033c0| 3b 09 66 61 72 20 63 61 | 6c 6c 73 20 65 6e 74 65 |;.far ca|lls ente|
|000033d0| 72 20 77 69 74 68 20 44 | 53 20 70 6f 69 6e 74 69 |r with D|S pointi|
|000033e0| 6e 67 20 74 6f 20 44 47 | 52 4f 55 50 0a 3b 0a 44 |ng to DG|ROUP.;.D|
|000033f0| 47 52 4f 55 50 09 47 52 | 4f 55 50 20 5f 44 41 54 |GROUP.GR|OUP _DAT|
|00003400| 41 0a 5f 44 41 54 41 09 | 53 45 47 4d 45 4e 54 20 |A._DATA.|SEGMENT |
|00003410| 50 55 42 4c 49 43 20 27 | 44 41 54 41 27 0a 3b 0a |PUBLIC '|DATA'.;.|
|00003420| 44 49 56 35 30 50 43 09 | 09 45 51 55 09 32 33 30 |DIV50PC.|.EQU.230|
|00003430| 34 09 09 3b 20 44 49 56 | 49 53 4f 52 20 46 4f 52 |4..; DIV|ISOR FOR|
|00003440| 20 35 30 20 42 41 55 44 | 20 28 50 43 2c 58 54 29 | 50 BAUD| (PC,XT)|
|00003450| 0a 44 49 56 35 30 4a 52 | 09 09 45 51 55 09 32 32 |.DIV50JR|..EQU.22|
|00003460| 33 37 09 09 3b 20 44 49 | 56 49 53 4f 52 20 46 4f |37..; DI|VISOR FO|
|00003470| 52 20 35 30 20 42 41 55 | 44 20 28 4a 52 29 0a 44 |R 50 BAU|D (JR).D|
|00003480| 49 56 35 30 09 09 44 57 | 09 32 33 30 34 09 09 3b |IV50..DW|.2304..;|
|00003490| 20 41 43 54 55 41 4c 20 | 44 49 56 49 53 4f 52 20 | ACTUAL |DIVISOR |
|000034a0| 46 4f 52 20 35 30 20 42 | 41 55 44 20 49 4e 20 55 |FOR 50 B|AUD IN U|
|000034b0| 53 45 0a 43 55 52 52 45 | 4e 54 5f 41 52 45 41 09 |SE.CURRE|NT_AREA.|
|000034c0| 44 57 09 41 52 45 41 31 | 09 09 3b 20 43 55 52 52 |DW.AREA1|..; CURR|
|000034d0| 45 4e 54 4c 59 20 53 45 | 4c 45 43 54 45 44 20 41 |ENTLY SE|LECTED A|
|000034e0| 52 45 41 0a 3b 20 44 41 | 54 41 20 41 52 45 41 53 |REA.; DA|TA AREAS|
|000034f0| 20 46 4f 52 20 45 41 43 | 48 20 50 4f 52 54 0a 41 | FOR EAC|H PORT.A|
|00003500| 52 45 41 31 09 53 50 5f | 54 41 42 09 3c 31 2c 49 |REA1.SP_|TAB.<1,I|
|00003510| 4e 54 5f 43 4f 4d 31 2c | 49 52 51 34 2c 4e 49 52 |NT_COM1,|IRQ4,NIR|
|00003520| 51 34 2c 45 4f 49 34 3e | 09 3b 20 43 4f 4d 31 20 |Q4,EOI4>|.; COM1 |
|00003530| 44 41 54 41 20 41 52 45 | 41 0a 41 52 45 41 32 09 |DATA ARE|A.AREA2.|
|00003540| 53 50 5f 54 41 42 09 3c | 32 2c 49 4e 54 5f 43 4f |SP_TAB.<|2,INT_CO|
|00003550| 4d 32 2c 49 52 51 33 2c | 4e 49 52 51 33 2c 45 4f |M2,IRQ3,|NIRQ3,EO|
|00003560| 49 33 3e 09 3b 20 43 4f | 4d 32 20 44 41 54 41 20 |I3>.; CO|M2 DATA |
|00003570| 41 52 45 41 0a 5f 44 41 | 54 41 20 20 20 20 45 4e |AREA._DA|TA    EN|
|00003580| 44 53 0a 20 20 20 20 20 | 20 20 20 50 41 47 45 0a |DS.     |   PAGE.|
|00003590| 43 4f 4d 5f 54 45 58 54 | 20 20 20 20 53 45 47 4d |COM_TEXT|    SEGM|
|000035a0| 45 4e 54 20 50 41 52 41 | 20 50 55 42 4c 49 43 20 |ENT PARA| PUBLIC |
|000035b0| 27 43 4f 44 45 27 0a 20 | 20 20 20 20 20 20 20 41 |'CODE'. |       A|
|000035c0| 53 53 55 4d 45 20 20 43 | 53 3a 43 4f 4d 5f 54 45 |SSUME  C|S:COM_TE|
|000035d0| 58 54 2c 44 53 3a 44 47 | 52 4f 55 50 2c 45 53 3a |XT,DS:DG|ROUP,ES:|
|000035e0| 4e 4f 54 48 49 4e 47 0a | 20 0a 09 50 55 42 4c 49 |NOTHING.| ..PUBLI|
|000035f0| 43 09 5f 73 65 6c 65 63 | 74 5f 70 6f 72 74 0a 09 |C._selec|t_port..|
|00003600| 50 55 42 4c 49 43 09 5f | 73 61 76 65 5f 63 6f 6d |PUBLIC._|save_com|
|00003610| 0a 09 50 55 42 4c 49 43 | 09 5f 69 6e 73 74 61 6c |..PUBLIC|._instal|
|00003620| 6c 5f 63 6f 6d 0a 09 50 | 55 42 4c 49 43 09 5f 72 |l_com..P|UBLIC._r|
|00003630| 65 73 74 6f 72 65 5f 63 | 6f 6d 0a 09 50 55 42 4c |estore_c|om..PUBL|
|00003640| 49 43 09 5f 6f 70 65 6e | 5f 63 6f 6d 0a 09 50 55 |IC._open|_com..PU|
|00003650| 42 4c 49 43 09 5f 63 6c | 6f 73 65 5f 63 6f 6d 0a |BLIC._cl|ose_com.|
|00003660| 09 50 55 42 4c 49 43 09 | 5f 64 74 72 5f 6f 6e 0a |.PUBLIC.|_dtr_on.|
|00003670| 09 50 55 42 4c 49 43 09 | 5f 64 74 72 5f 6f 66 66 |.PUBLIC.|_dtr_off|
|00003680| 0a 09 50 55 42 4c 49 43 | 09 5f 72 5f 63 6f 75 6e |..PUBLIC|._r_coun|
|00003690| 74 0a 09 50 55 42 4c 49 | 43 09 5f 73 5f 63 6f 75 |t..PUBLI|C._s_cou|
|000036a0| 6e 74 0a 09 50 55 42 4c | 49 43 09 5f 72 65 63 65 |nt..PUBL|IC._rece|
|000036b0| 69 76 65 5f 63 6f 6d 0a | 09 50 55 42 4c 49 43 09 |ive_com.|.PUBLIC.|
|000036c0| 5f 73 65 6e 64 5f 63 6f | 6d 0a 09 50 55 42 4c 49 |_send_co|m..PUBLI|
|000036d0| 43 09 5f 73 65 6e 64 69 | 5f 63 6f 6d 0a 09 50 55 |C._sendi|_com..PU|
|000036e0| 42 4c 49 43 09 5f 73 65 | 6e 64 5f 6c 6f 63 61 6c |BLIC._se|nd_local|
|000036f0| 0a 09 50 55 42 4c 49 43 | 09 5f 62 72 65 61 6b 5f |..PUBLIC|._break_|
|00003700| 63 6f 6d 0a 09 50 55 42 | 4c 49 43 09 5f 63 6f 6d |com..PUB|LIC._com|
|00003710| 5f 65 72 72 6f 72 73 0a | 09 50 41 47 45 0a 3b 0a |_errors.|.PAGE.;.|
|00003720| 3b 20 53 45 4c 45 43 54 | 20 57 48 49 43 48 20 50 |; SELECT| WHICH P|
|00003730| 4f 52 54 20 49 53 20 54 | 4f 20 42 45 20 22 41 43 |ORT IS T|O BE "AC|
|00003740| 54 49 56 45 22 0a 3b 09 | 5b 62 70 2b 36 5d 20 3d |TIVE".;.|[bp+6] =|
|00003750| 20 70 6f 72 74 20 6e 75 | 6d 62 65 72 0a 5f 73 65 | port nu|mber._se|
|00003760| 6c 65 63 74 5f 70 6f 72 | 74 09 50 52 4f 43 20 46 |lect_por|t.PROC F|
|00003770| 41 52 0a 09 70 75 73 68 | 20 62 70 0a 09 6d 6f 76 |AR..push| bp..mov|
|00003780| 20 62 70 2c 73 70 0a 09 | 6d 6f 76 20 41 58 2c 5b | bp,sp..|mov AX,[|
|00003790| 62 70 2b 36 5d 09 3b 20 | 67 65 74 20 61 67 75 65 |bp+6].; |get ague|
|000037a0| 6d 65 6e 74 0a 09 54 45 | 53 54 09 41 4c 2c 31 09 |ment..TE|ST.AL,1.|
|000037b0| 09 3b 20 46 49 52 53 54 | 20 50 4f 52 54 3f 0a 09 |.; FIRST| PORT?..|
|000037c0| 4a 5a 09 53 50 31 09 09 | 3b 20 49 46 20 4e 4f 54 |JZ.SP1..|; IF NOT|
|000037d0| 2c 20 49 54 20 4d 55 53 | 54 20 42 45 20 53 45 43 |, IT MUS|T BE SEC|
|000037e0| 4f 4e 44 20 50 4f 52 54 | 0a 09 4d 4f 56 09 41 58 |OND PORT|..MOV.AX|
|000037f0| 2c 4f 46 46 53 45 54 20 | 44 47 52 4f 55 50 3a 41 |,OFFSET |DGROUP:A|
|00003800| 52 45 41 31 09 3b 20 53 | 45 4c 45 43 54 20 43 4f |REA1.; S|ELECT CO|
|00003810| 4d 31 20 44 41 54 41 20 | 41 52 45 41 0a 09 4a 4d |M1 DATA |AREA..JM|
|00003820| 50 09 53 48 4f 52 54 20 | 53 50 58 09 3b 20 43 4f |P.SHORT |SPX.; CO|
|00003830| 4e 54 49 4e 55 45 0a 53 | 50 31 3a 09 4d 4f 56 09 |NTINUE.S|P1:.MOV.|
|00003840| 41 58 2c 4f 46 46 53 45 | 54 20 44 47 52 4f 55 50 |AX,OFFSE|T DGROUP|
|00003850| 3a 41 52 45 41 32 09 3b | 20 53 45 4c 45 43 54 20 |:AREA2.;| SELECT |
|00003860| 43 4f 4d 32 20 44 41 54 | 41 20 41 52 45 41 0a 53 |COM2 DAT|A AREA.S|
|00003870| 50 58 3a 09 4d 4f 56 09 | 43 55 52 52 45 4e 54 5f |PX:.MOV.|CURRENT_|
|00003880| 41 52 45 41 2c 41 58 09 | 3b 20 53 45 54 20 53 45 |AREA,AX.|; SET SE|
|00003890| 4c 45 43 54 49 4f 4e 20 | 49 4e 20 4d 45 4d 4f 52 |LECTION |IN MEMOR|
|000038a0| 59 0a 09 6d 6f 76 20 73 | 70 2c 62 70 0a 09 70 6f |Y..mov s|p,bp..po|
|000038b0| 70 20 62 70 0a 09 52 45 | 54 09 09 09 3b 20 44 4f |p bp..RE|T...; DO|
|000038c0| 4e 45 0a 5f 73 65 6c 65 | 63 74 5f 70 6f 72 74 09 |NE._sele|ct_port.|
|000038d0| 45 4e 44 50 0a 09 50 41 | 47 45 0a 3b 0a 3b 20 53 |ENDP..PA|GE.;.; S|
|000038e0| 41 56 45 20 4f 52 49 47 | 49 4e 41 4c 20 43 4f 4d |AVE ORIG|INAL COM|
|000038f0| 20 56 45 43 54 4f 52 0a | 3b 0a 5f 73 61 76 65 5f | VECTOR.|;._save_|
|00003900| 63 6f 6d 09 50 52 4f 43 | 20 46 41 52 0a 09 70 75 |com.PROC| FAR..pu|
|00003910| 73 68 20 62 70 0a 09 6d | 6f 76 20 62 70 2c 73 70 |sh bp..m|ov bp,sp|
|00003920| 0a 09 70 75 73 68 20 73 | 69 0a 09 4d 4f 56 09 53 |..push s|i..MOV.S|
|00003930| 49 2c 43 55 52 52 45 4e | 54 5f 41 52 45 41 09 3b |I,CURREN|T_AREA.;|
|00003940| 20 53 49 20 50 4f 49 4e | 54 53 20 54 4f 20 44 41 | SI POIN|TS TO DA|
|00003950| 54 41 20 41 52 45 41 0a | 09 50 55 53 48 09 45 53 |TA AREA.|.PUSH.ES|
|00003960| 09 09 3b 20 53 41 56 45 | 20 45 58 54 52 41 20 53 |..; SAVE| EXTRA S|
|00003970| 45 47 4d 45 4e 54 0a 09 | 4d 4f 56 09 41 52 45 41 |EGMENT..|MOV.AREA|
|00003980| 31 2e 49 4e 54 5f 48 4e | 44 4c 52 2c 4f 46 46 53 |1.INT_HN|DLR,OFFS|
|00003990| 45 54 20 49 4e 54 5f 48 | 4e 44 4c 52 31 0a 09 4d |ET INT_H|NDLR1..M|
|000039a0| 4f 56 09 41 52 45 41 32 | 2e 49 4e 54 5f 48 4e 44 |OV.AREA2|.INT_HND|
|000039b0| 4c 52 2c 4f 46 46 53 45 | 54 20 49 4e 54 5f 48 4e |LR,OFFSE|T INT_HN|
|000039c0| 44 4c 52 32 0a 09 4d 4f | 56 09 41 48 2c 33 30 48 |DLR2..MO|V.AH,30H|
|000039d0| 09 09 3b 20 47 45 54 20 | 44 4f 53 20 56 45 52 53 |..; GET |DOS VERS|
|000039e0| 49 4f 4e 20 4e 55 4d 42 | 45 52 0a 09 49 4e 54 09 |ION NUMB|ER..INT.|
|000039f0| 44 4f 53 09 09 3b 20 44 | 4f 53 20 46 55 4e 43 54 |DOS..; D|OS FUNCT|
|00003a00| 49 4f 4e 0a 09 43 4d 50 | 09 41 4c 2c 32 09 09 3b |ION..CMP|.AL,2..;|
|00003a10| 20 41 54 20 4c 45 41 53 | 54 20 44 4f 53 20 32 3f | AT LEAS|T DOS 2?|
|00003a20| 0a 09 4a 42 09 53 56 43 | 31 09 09 3b 20 4a 55 4d |..JB.SVC|1..; JUM|
|00003a30| 50 20 49 46 20 44 4f 53 | 20 31 0a 3b 20 53 41 56 |P IF DOS| 1.; SAV|
|00003a40| 45 20 4f 4c 44 20 56 45 | 43 54 4f 52 20 57 49 54 |E OLD VE|CTOR WIT|
|00003a50| 48 20 44 4f 53 20 32 20 | 43 41 4c 4c 53 0a 09 4d |H DOS 2 |CALLS..M|
|00003a60| 4f 56 09 41 48 2c 33 35 | 48 09 09 3b 20 46 45 54 |OV.AH,35|H..; FET|
|00003a70| 43 48 20 49 4e 54 45 52 | 52 55 50 54 20 56 45 43 |CH INTER|RUPT VEC|
|00003a80| 54 4f 52 20 43 4f 4e 54 | 45 4e 54 53 0a 09 4d 4f |TOR CONT|ENTS..MO|
|00003a90| 56 09 41 4c 2c 49 4e 54 | 5f 43 4f 4d 5b 53 49 5d |V.AL,INT|_COM[SI]|
|00003aa0| 09 3b 20 49 4e 54 45 52 | 52 55 50 54 20 4e 55 4d |.; INTER|RUPT NUM|
|00003ab0| 42 45 52 0a 09 49 4e 54 | 09 44 4f 53 09 09 3b 20 |BER..INT|.DOS..; |
|00003ac0| 44 4f 53 20 32 20 46 55 | 4e 43 54 49 4f 4e 0a 09 |DOS 2 FU|NCTION..|
|00003ad0| 4d 4f 56 09 4f 4c 44 5f | 43 4f 4d 5f 4f 46 46 5b |MOV.OLD_|COM_OFF[|
|00003ae0| 53 49 5d 2c 42 58 09 3b | 20 53 41 56 45 0a 09 4d |SI],BX.;| SAVE..M|
|00003af0| 4f 56 09 42 58 2c 45 53 | 09 09 09 3b 20 45 53 3a |OV.BX,ES|...; ES:|
|00003b00| 42 58 0a 09 4d 4f 56 09 | 4f 4c 44 5f 43 4f 4d 5f |BX..MOV.|OLD_COM_|
|00003b10| 53 45 47 5b 53 49 5d 2c | 42 58 09 3b 20 46 4f 52 |SEG[SI],|BX.; FOR|
|00003b20| 20 4c 41 54 45 52 20 52 | 45 53 54 4f 52 41 54 49 | LATER R|ESTORATI|
|00003b30| 4f 4e 0a 09 4a 4d 50 09 | 53 48 4f 52 54 20 53 56 |ON..JMP.|SHORT SV|
|00003b40| 43 58 09 3b 20 44 4f 4e | 45 0a 3b 20 53 41 56 45 |CX.; DON|E.; SAVE|
|00003b50| 20 4f 4c 44 20 56 45 43 | 54 4f 52 20 57 49 54 48 | OLD VEC|TOR WITH|
|00003b60| 20 44 4f 53 20 31 20 43 | 41 4c 4c 53 0a 53 56 43 | DOS 1 C|ALLS.SVC|
|00003b70| 31 3a 09 4d 4f 56 09 41 | 58 2c 30 09 09 3b 20 5a |1:.MOV.A|X,0..; Z|
|00003b80| 45 52 4f 20 53 45 47 4d | 45 4e 54 0a 09 4d 4f 56 |ERO SEGM|ENT..MOV|
|00003b90| 09 45 53 2c 41 58 09 09 | 3b 20 45 53 20 50 4f 49 |.ES,AX..|; ES POI|
|00003ba0| 4e 54 53 20 54 4f 20 49 | 4e 54 45 52 52 55 50 54 |NTS TO I|NTERRUPT|
|00003bb0| 20 56 45 43 54 4f 52 53 | 0a 09 4d 4f 56 09 42 4c | VECTORS|..MOV.BL|
|00003bc0| 2c 49 4e 54 5f 43 4f 4d | 5b 53 49 5d 09 3b 20 4f |,INT_COM|[SI].; O|
|00003bd0| 55 52 20 49 4e 54 45 52 | 52 55 50 54 20 4e 55 4d |UR INTER|RUPT NUM|
|00003be0| 42 45 52 0a 09 4d 4f 56 | 09 42 48 2c 30 09 09 3b |BER..MOV|.BH,0..;|
|00003bf0| 20 42 4c 20 2d 3e 20 42 | 58 0a 09 53 48 4c 09 42 | BL -> B|X..SHL.B|
|00003c00| 58 2c 31 09 09 3b 20 54 | 49 4d 45 53 20 46 4f 55 |X,1..; T|IMES FOU|
|00003c10| 52 0a 09 53 48 4c 09 42 | 58 2c 31 09 09 3b 20 49 |R..SHL.B|X,1..; I|
|00003c20| 53 20 4f 46 46 53 45 54 | 20 4f 46 20 56 45 43 54 |S OFFSET| OF VECT|
|00003c30| 4f 52 20 49 4e 20 4d 45 | 4d 4f 52 59 0a 09 4d 4f |OR IN ME|MORY..MO|
|00003c40| 56 09 41 58 2c 57 4f 52 | 44 20 50 54 52 20 45 53 |V.AX,WOR|D PTR ES|
|00003c50| 3a 5b 42 58 5d 09 3b 20 | 53 41 56 45 0a 09 4d 4f |:[BX].; |SAVE..MO|
|00003c60| 56 09 4f 4c 44 5f 43 4f | 4d 5f 4f 46 46 5b 53 49 |V.OLD_CO|M_OFF[SI|
|00003c70| 5d 2c 41 58 09 3b 20 54 | 48 45 0a 09 41 44 44 09 |],AX.; T|HE..ADD.|
|00003c80| 42 58 2c 32 09 09 09 3b | 20 4f 4c 44 0a 09 4d 4f |BX,2...;| OLD..MO|
|00003c90| 56 09 41 58 2c 57 4f 52 | 44 20 50 54 52 20 45 53 |V.AX,WOR|D PTR ES|
|00003ca0| 3a 5b 42 58 5d 09 3b 20 | 49 4e 54 45 52 52 55 50 |:[BX].; |INTERRUP|
|00003cb0| 54 0a 09 4d 4f 56 09 4f | 4c 44 5f 43 4f 4d 5f 53 |T..MOV.O|LD_COM_S|
|00003cc0| 45 47 5b 53 49 5d 2c 41 | 58 09 3b 20 56 45 43 54 |EG[SI],A|X.; VECT|
|00003cd0| 4f 52 0a 53 56 43 58 3a | 09 50 4f 50 09 45 53 09 |OR.SVCX:|.POP.ES.|
|00003ce0| 09 3b 20 52 45 53 54 4f | 52 45 20 45 53 0a 09 70 |.; RESTO|RE ES..p|
|00003cf0| 6f 70 20 73 69 0a 09 6d | 6f 76 20 73 70 2c 62 70 |op si..m|ov sp,bp|
|00003d00| 0a 09 70 6f 70 20 62 70 | 0a 09 52 45 54 09 09 09 |..pop bp|..RET...|
|00003d10| 3b 20 44 4f 4e 45 0a 5f | 73 61 76 65 5f 63 6f 6d |; DONE._|save_com|
|00003d20| 09 45 4e 44 50 0a 09 50 | 41 47 45 0a 3b 0a 3b 20 |.ENDP..P|AGE.;.; |
|00003d30| 49 4e 53 54 41 4c 4c 5f | 43 4f 4d 3a 20 20 49 4e |INSTALL_|COM:  IN|
|00003d40| 53 54 41 4c 4c 20 54 48 | 45 20 41 43 54 49 56 45 |STALL TH|E ACTIVE|
|00003d50| 20 50 4f 52 54 0a 3b 0a | 3b 20 53 45 54 20 38 32 | PORT.;.|; SET 82|
|00003d60| 35 30 20 50 4f 52 54 53 | 20 46 52 4f 4d 20 52 53 |50 PORTS| FROM RS|
|00003d70| 2d 32 33 32 20 42 41 53 | 45 20 49 4e 20 52 4f 4d |-232 BAS|E IN ROM|
|00003d80| 20 42 49 4f 53 20 44 41 | 54 41 20 41 52 45 41 0a | BIOS DA|TA AREA.|
|00003d90| 3b 20 49 4e 49 54 49 41 | 4c 49 5a 45 20 50 4f 52 |; INITIA|LIZE POR|
|00003da0| 54 20 43 4f 4e 53 54 41 | 4e 54 53 20 41 4e 44 20 |T CONSTA|NTS AND |
|00003db0| 45 52 52 4f 52 20 43 4f | 55 4e 54 53 0a 3b 20 49 |ERROR CO|UNTS.; I|
|00003dc0| 4e 53 54 41 4c 4c 20 49 | 4e 54 45 52 52 55 50 54 |NSTALL I|NTERRUPT|
|00003dd0| 20 56 45 43 54 4f 52 0a | 3b 0a 3b 09 72 65 74 75 | VECTOR.|;.;.retu|
|00003de0| 72 6e 20 61 78 3d 31 20 | 6f 6e 20 73 75 63 63 65 |rn ax=1 |on succe|
|00003df0| 73 73 20 61 78 3d 30 20 | 6f 6e 20 66 61 69 6c 75 |ss ax=0 |on failu|
|00003e00| 72 65 0a 3b 0a 5f 69 6e | 73 74 61 6c 6c 5f 63 6f |re.;._in|stall_co|
|00003e10| 6d 09 50 52 4f 43 20 46 | 41 52 0a 09 70 75 73 68 |m.PROC F|AR..push|
|00003e20| 20 62 70 0a 09 6d 6f 76 | 20 62 70 2c 73 70 0a 09 | bp..mov| bp,sp..|
|00003e30| 70 75 73 68 20 73 69 0a | 09 4d 4f 56 09 53 49 2c |push si.|.MOV.SI,|
|00003e40| 43 55 52 52 45 4e 54 5f | 41 52 45 41 09 3b 20 53 |CURRENT_|AREA.; S|
|00003e50| 49 20 50 4f 49 4e 54 53 | 20 54 4f 20 44 41 54 41 |I POINTS| TO DATA|
|00003e60| 20 41 52 45 41 0a 09 50 | 55 53 48 09 45 53 09 09 | AREA..P|USH.ES..|
|00003e70| 3b 20 53 41 56 45 20 45 | 58 54 52 41 20 53 45 47 |; SAVE E|XTRA SEG|
|00003e80| 4d 45 4e 54 0a 09 43 4d | 50 09 49 4e 53 54 41 4c |MENT..CM|P.INSTAL|
|00003e90| 4c 45 44 5b 53 49 5d 2c | 31 09 3b 20 41 4c 52 45 |LED[SI],|1.; ALRE|
|00003ea0| 41 44 59 20 49 4e 53 54 | 41 4c 4c 45 44 3f 0a 09 |ADY INST|ALLED?..|
|00003eb0| 4a 4e 45 09 49 4e 53 54 | 4f 4b 09 09 3b 20 4e 4f |JNE.INST|OK..; NO|
|00003ec0| 2c 20 43 4f 4e 54 49 4e | 55 45 0a 09 4a 4d 50 09 |, CONTIN|UE..JMP.|
|00003ed0| 49 4e 53 54 58 09 09 3b | 20 45 4c 53 45 20 4a 55 |INSTX..;| ELSE JU|
|00003ee0| 4d 50 20 49 46 20 41 4c | 52 45 41 44 59 20 49 4e |MP IF AL|READY IN|
|00003ef0| 53 54 41 4c 4c 45 44 0a | 3b 20 43 4c 45 41 52 20 |STALLED.|; CLEAR |
|00003f00| 45 52 52 4f 52 20 43 4f | 55 4e 54 53 0a 49 4e 53 |ERROR CO|UNTS.INS|
|00003f10| 54 4f 4b 3a 09 4d 4f 56 | 09 57 4f 52 44 20 50 54 |TOK:.MOV|.WORD PT|
|00003f20| 52 20 45 4f 56 46 4c 4f | 57 5b 53 49 5d 2c 30 09 |R EOVFLO|W[SI],0.|
|00003f30| 3b 20 42 55 46 46 45 52 | 20 4f 56 45 52 46 4c 4f |; BUFFER| OVERFLO|
|00003f40| 57 53 0a 09 4d 4f 56 09 | 57 4f 52 44 20 50 54 52 |WS..MOV.|WORD PTR|
|00003f50| 20 45 4f 56 52 55 4e 5b | 53 49 5d 2c 30 09 3b 20 | EOVRUN[|SI],0.; |
|00003f60| 52 45 43 45 49 56 45 20 | 4f 56 45 52 52 55 4e 53 |RECEIVE |OVERRUNS|
|00003f70| 0a 09 4d 4f 56 09 57 4f | 52 44 20 50 54 52 20 45 |..MOV.WO|RD PTR E|
|00003f80| 42 52 45 41 4b 5b 53 49 | 5d 2c 30 09 3b 20 42 52 |BREAK[SI|],0.; BR|
|00003f90| 45 41 4b 20 43 48 41 52 | 53 0a 09 4d 4f 56 09 57 |EAK CHAR|S..MOV.W|
|00003fa0| 4f 52 44 20 50 54 52 20 | 45 46 52 41 4d 45 5b 53 |ORD PTR |EFRAME[S|
|00003fb0| 49 5d 2c 30 09 3b 20 46 | 52 41 4d 49 4e 47 20 45 |I],0.; F|RAMING E|
|00003fc0| 52 52 4f 52 53 0a 09 4d | 4f 56 09 57 4f 52 44 20 |RRORS..M|OV.WORD |
|00003fd0| 50 54 52 20 45 50 41 52 | 49 54 59 5b 53 49 5d 2c |PTR EPAR|ITY[SI],|
|00003fe0| 30 09 3b 20 50 41 52 49 | 54 59 20 45 52 52 4f 52 |0.; PARI|TY ERROR|
|00003ff0| 53 0a 09 4d 4f 56 09 57 | 4f 52 44 20 50 54 52 20 |S..MOV.W|ORD PTR |
|00004000| 45 58 4d 49 54 5b 53 49 | 5d 2c 30 09 3b 20 54 52 |EXMIT[SI|],0.; TR|
|00004010| 41 4e 53 4d 49 53 53 49 | 4f 4e 20 45 52 52 4f 52 |ANSMISSI|ON ERROR|
|00004020| 53 0a 09 4d 4f 56 09 57 | 4f 52 44 20 50 54 52 20 |S..MOV.W|ORD PTR |
|00004030| 45 44 53 52 5b 53 49 5d | 2c 30 09 3b 20 44 41 54 |EDSR[SI]|,0.; DAT|
|00004040| 41 20 53 45 54 20 52 45 | 41 44 59 20 45 52 52 4f |A SET RE|ADY ERRO|
|00004050| 52 53 0a 09 4d 4f 56 09 | 57 4f 52 44 20 50 54 52 |RS..MOV.|WORD PTR|
|00004060| 20 45 43 54 53 5b 53 49 | 5d 2c 30 09 3b 20 43 4c | ECTS[SI|],0.; CL|
|00004070| 45 41 52 20 54 4f 20 53 | 45 4e 44 20 45 52 52 4f |EAR TO S|END ERRO|
|00004080| 52 53 0a 3b 20 53 45 4e | 53 45 20 50 43 20 54 59 |RS.; SEN|SE PC TY|
|00004090| 50 45 20 41 4e 44 20 53 | 45 54 20 44 49 56 49 53 |PE AND S|ET DIVIS|
|000040a0| 4f 52 20 41 43 43 4f 52 | 44 49 4e 47 4c 59 0a 09 |OR ACCOR|DINGLY..|
|000040b0| 4d 4f 56 09 42 58 2c 52 | 4f 4d 09 09 3b 20 48 49 |MOV.BX,R|OM..; HI|
|000040c0| 47 48 20 52 4f 4d 20 53 | 45 47 4d 45 4e 54 0a 09 |GH ROM S|EGMENT..|
|000040d0| 4d 4f 56 09 45 53 2c 42 | 58 09 09 3b 20 54 4f 20 |MOV.ES,B|X..; TO |
|000040e0| 45 53 0a 09 41 53 53 55 | 4d 45 09 45 53 3a 52 4f |ES..ASSU|ME.ES:RO|
|000040f0| 4d 0a 09 4d 4f 56 09 44 | 49 56 35 30 2c 44 49 56 |M..MOV.D|IV50,DIV|
|00004100| 35 30 50 43 09 3b 20 41 | 53 53 55 4d 45 20 50 43 |50PC.; A|SSUME PC|
|00004110| 20 4f 52 20 58 54 0a 09 | 43 4d 50 09 52 4f 4d 49 | OR XT..|CMP.ROMI|
|00004120| 44 2c 30 46 44 48 09 3b | 20 49 53 20 49 54 20 41 |D,0FDH.;| IS IT A|
|00004130| 20 50 43 6a 72 3f 0a 09 | 4a 4e 45 09 49 4e 53 54 | PCjr?..|JNE.INST|
|00004140| 30 09 09 3b 20 4a 55 4d | 50 20 49 46 20 4e 4f 54 |0..; JUM|P IF NOT|
|00004150| 0a 09 4d 4f 56 09 44 49 | 56 35 30 2c 44 49 56 35 |..MOV.DI|V50,DIV5|
|00004160| 30 4a 52 09 3b 20 45 4c | 53 45 20 53 45 54 20 4a |0JR.; EL|SE SET J|
|00004170| 52 20 44 49 56 49 53 4f | 52 0a 3b 20 53 45 54 20 |R DIVISO|R.; SET |
|00004180| 38 32 35 30 20 50 4f 52 | 54 20 41 44 44 52 45 53 |8250 POR|T ADDRES|
|00004190| 53 45 53 0a 49 4e 53 54 | 30 3a 09 4d 4f 56 09 42 |SES.INST|0:.MOV.B|
|000041a0| 58 2c 52 42 44 41 09 09 | 3b 20 52 4f 4d 20 42 49 |X,RBDA..|; ROM BI|
|000041b0| 4f 53 20 44 41 54 41 20 | 41 52 45 41 0a 09 4d 4f |OS DATA |AREA..MO|
|000041c0| 56 09 45 53 2c 42 58 09 | 09 3b 20 54 4f 20 45 53 |V.ES,BX.|.; TO ES|
|000041d0| 0a 09 41 53 53 55 4d 45 | 09 45 53 3a 52 42 44 41 |..ASSUME|.ES:RBDA|
|000041e0| 0a 09 54 45 53 54 09 50 | 4f 52 54 5b 53 49 5d 2c |..TEST.P|ORT[SI],|
|000041f0| 31 09 3b 20 50 4f 52 54 | 20 31 3f 0a 09 4a 5a 09 |1.; PORT| 1?..JZ.|
|00004200| 49 4e 53 54 31 09 09 3b | 20 4a 55 4d 50 20 49 46 |INST1..;| JUMP IF|
|00004210| 20 4e 4f 54 0a 09 4d 4f | 56 09 41 58 2c 33 46 38 | NOT..MO|V.AX,3F8|
|00004220| 48 09 09 3b 20 43 4f 4d | 31 20 42 41 53 45 20 50 |H..; COM|1 BASE P|
|00004230| 4f 52 54 20 41 44 44 52 | 45 53 53 0a 09 4a 4d 50 |ORT ADDR|ESS..JMP|
|00004240| 09 53 48 4f 52 54 20 49 | 4e 53 54 32 09 3b 20 43 |.SHORT I|NST2.; C|
|00004250| 4f 4e 54 49 4e 55 45 0a | 49 4e 53 54 31 3a 09 4d |ONTINUE.|INST1:.M|
|00004260| 4f 56 09 41 58 2c 32 46 | 38 48 09 09 3b 20 43 4f |OV.AX,2F|8H..; CO|
|00004270| 4d 32 20 42 41 53 45 20 | 50 4f 52 54 20 41 44 44 |M2 BASE |PORT ADD|
|00004280| 52 45 53 53 0a 49 4e 53 | 54 32 3a 09 43 4d 50 09 |RESS.INS|T2:.CMP.|
|00004290| 41 58 2c 52 53 32 33 32 | 5f 42 41 53 45 09 3b 20 |AX,RS232|_BASE.; |
|000042a0| 49 4e 53 54 41 4c 4c 45 | 44 3f 0a 09 4a 45 09 49 |INSTALLE|D?..JE.I|
|000042b0| 4e 53 54 32 41 09 09 3b | 20 4a 55 4d 50 20 49 46 |NST2A..;| JUMP IF|
|000042c0| 20 53 4f 0a 09 43 4d 50 | 09 41 58 2c 52 53 32 33 | SO..CMP|.AX,RS23|
|000042d0| 32 5f 42 41 53 45 2b 32 | 09 3b 20 49 4e 53 54 41 |2_BASE+2|.; INSTA|
|000042e0| 4c 4c 45 44 3f 0a 09 4a | 4e 45 09 49 4e 53 54 36 |LLED?..J|NE.INST6|
|000042f0| 36 36 09 09 3b 20 4a 55 | 4d 50 20 49 46 20 4e 4f |66..; JU|MP IF NO|
|00004300| 54 0a 49 4e 53 54 32 41 | 3a 09 4d 4f 56 09 42 58 |T.INST2A|:.MOV.BX|
|00004310| 2c 44 41 54 52 45 47 09 | 3b 20 4f 46 46 53 45 54 |,DATREG.|; OFFSET|
|00004320| 20 4f 46 20 54 41 42 4c | 45 20 4f 46 20 50 4f 52 | OF TABL|E OF POR|
|00004330| 54 53 0a 09 4d 4f 56 09 | 43 58 2c 37 09 09 3b 20 |TS..MOV.|CX,7..; |
|00004340| 4c 4f 4f 50 20 53 49 58 | 20 54 49 4d 45 53 0a 49 |LOOP SIX| TIMES.I|
|00004350| 4e 53 54 33 3a 09 4d 4f | 56 09 57 4f 52 44 20 50 |NST3:.MO|V.WORD P|
|00004360| 54 52 20 5b 53 49 5d 5b | 42 58 5d 2c 41 58 20 3b |TR [SI][|BX],AX ;|
|00004370| 20 53 45 54 20 50 4f 52 | 54 20 41 44 44 52 45 53 | SET POR|T ADDRES|
|00004380| 53 0a 09 49 4e 43 09 41 | 58 09 09 3b 20 4e 45 58 |S..INC.A|X..; NEX|
|00004390| 54 20 50 4f 52 54 0a 09 | 41 44 44 09 42 58 2c 32 |T PORT..|ADD.BX,2|
|000043a0| 09 09 3b 20 4e 45 58 54 | 20 57 4f 52 44 20 41 44 |..; NEXT| WORD AD|
|000043b0| 44 52 45 53 53 0a 09 4c | 4f 4f 50 09 49 4e 53 54 |DRESS..L|OOP.INST|
|000043c0| 33 09 09 3b 20 52 53 32 | 33 32 20 42 41 53 45 20 |3..; RS2|32 BASE |
|000043d0| 4c 4f 4f 50 0a 3b 20 52 | 45 53 45 54 20 56 45 43 |LOOP.; R|ESET VEC|
|000043e0| 54 4f 52 20 54 4f 20 50 | 4f 49 4e 54 20 54 4f 20 |TOR TO P|OINT TO |
|000043f0| 4f 55 52 20 48 41 4e 44 | 4c 45 52 0a 09 4d 4f 56 |OUR HAND|LER..MOV|
|00004400| 09 41 52 45 41 31 2e 49 | 4e 54 5f 48 4e 44 4c 52 |.AREA1.I|NT_HNDLR|
|00004410| 2c 4f 46 46 53 45 54 20 | 49 4e 54 5f 48 4e 44 4c |,OFFSET |INT_HNDL|
|00004420| 52 31 0a 09 4d 4f 56 09 | 41 52 45 41 32 2e 49 4e |R1..MOV.|AREA2.IN|
|00004430| 54 5f 48 4e 44 4c 52 2c | 4f 46 46 53 45 54 20 49 |T_HNDLR,|OFFSET I|
|00004440| 4e 54 5f 48 4e 44 4c 52 | 32 0a 09 4d 4f 56 09 41 |NT_HNDLR|2..MOV.A|
|00004450| 48 2c 32 35 48 09 09 3b | 20 53 45 54 20 49 4e 54 |H,25H..;| SET INT|
|00004460| 45 52 52 55 50 54 20 56 | 45 43 54 4f 52 20 43 4f |ERRUPT V|ECTOR CO|
|00004470| 4e 54 45 4e 54 53 0a 09 | 4d 4f 56 09 41 4c 2c 49 |NTENTS..|MOV.AL,I|
|00004480| 4e 54 5f 43 4f 4d 5b 53 | 49 5d 09 3b 20 49 4e 54 |NT_COM[S|I].; INT|
|00004490| 45 52 52 55 50 54 20 4e | 55 4d 42 45 52 0a 09 4d |ERRUPT N|UMBER..M|
|000044a0| 4f 56 09 44 58 2c 4f 46 | 46 53 45 54 20 44 47 52 |OV.DX,OF|FSET DGR|
|000044b0| 4f 55 50 3a 49 4e 54 5f | 48 4e 44 4c 52 5b 53 49 |OUP:INT_|HNDLR[SI|
|000044c0| 5d 20 3b 20 4f 55 52 20 | 49 4e 54 45 52 52 55 50 |] ; OUR |INTERRUP|
|000044d0| 54 20 48 41 4e 44 4c 45 | 52 0a 09 50 55 53 48 20 |T HANDLE|R..PUSH |
|000044e0| 20 20 20 44 53 20 20 20 | 20 20 20 20 20 20 20 20 |   DS   |        |
|000044f0| 20 20 20 3b 20 53 41 56 | 45 20 44 41 54 41 20 53 |   ; SAV|E DATA S|
|00004500| 45 47 4d 45 4e 54 0a 09 | 50 55 53 48 09 43 53 09 |EGMENT..|PUSH.CS.|
|00004510| 09 3b 20 43 4f 50 59 20 | 43 53 0a 09 50 4f 50 09 |.; COPY |CS..POP.|
|00004520| 44 53 09 09 3b 20 54 4f | 20 44 53 0a 09 49 4e 54 |DS..; TO| DS..INT|
|00004530| 09 44 4f 53 09 09 3b 20 | 44 4f 53 20 46 55 4e 43 |.DOS..; |DOS FUNC|
|00004540| 54 49 4f 4e 0a 09 50 4f | 50 20 20 20 20 20 44 53 |TION..PO|P     DS|
|00004550| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 3b 20 |        |      ; |
|00004560| 52 45 43 4f 56 45 52 20 | 44 41 54 41 20 53 45 47 |RECOVER |DATA SEG|
|00004570| 4d 45 4e 54 0a 3b 20 50 | 4f 52 54 20 49 4e 53 54 |MENT.; P|ORT INST|
|00004580| 41 4c 4c 45 44 0a 49 4e | 53 54 58 3a 09 4d 4f 56 |ALLED.IN|STX:.MOV|
|00004590| 09 49 4e 53 54 41 4c 4c | 45 44 5b 53 49 5d 2c 31 |.INSTALL|ED[SI],1|
|000045a0| 09 3b 20 50 4f 52 54 20 | 49 4e 53 54 41 4c 4c 45 |.; PORT |INSTALLE|
|000045b0| 44 0a 09 50 4f 50 09 45 | 53 09 09 3b 20 52 45 53 |D..POP.E|S..; RES|
|000045c0| 54 4f 52 45 20 45 53 0a | 09 6d 6f 76 20 61 78 2c |TORE ES.|.mov ax,|
|000045d0| 31 0a 09 70 6f 70 20 73 | 69 0a 09 6d 6f 76 20 73 |1..pop s|i..mov s|
|000045e0| 70 2c 62 70 0a 09 70 6f | 70 20 62 70 0a 20 20 20 |p,bp..po|p bp.   |
|000045f0| 20 20 20 20 20 52 45 54 | 09 09 09 3b 20 44 4f 4e |     RET|...; DON|
|00004600| 45 0a 3b 20 50 4f 52 54 | 20 4e 4f 54 20 49 4e 53 |E.; PORT| NOT INS|
|00004610| 54 41 4c 4c 45 44 0a 49 | 4e 53 54 36 36 36 3a 4d |TALLED.I|NST666:M|
|00004620| 4f 56 09 49 4e 53 54 41 | 4c 4c 45 44 5b 53 49 5d |OV.INSTA|LLED[SI]|
|00004630| 2c 30 09 3b 20 50 4f 52 | 54 20 4e 4f 54 20 49 4e |,0.; POR|T NOT IN|
|00004640| 53 54 41 4c 4c 45 44 20 | 4f 4e 20 54 48 49 53 20 |STALLED |ON THIS |
|00004650| 50 43 0a 09 50 4f 50 09 | 45 53 09 09 3b 20 52 45 |PC..POP.|ES..; RE|
|00004660| 53 54 4f 52 45 20 45 53 | 0a 09 6d 6f 76 20 61 78 |STORE ES|..mov ax|
|00004670| 2c 30 0a 09 70 6f 70 20 | 73 69 0a 09 6d 6f 76 20 |,0..pop |si..mov |
|00004680| 73 70 2c 62 70 0a 09 70 | 6f 70 20 62 70 0a 09 52 |sp,bp..p|op bp..R|
|00004690| 45 54 09 09 09 3b 20 44 | 4f 4e 45 0a 5f 69 6e 73 |ET...; D|ONE._ins|
|000046a0| 74 61 6c 6c 5f 63 6f 6d | 09 45 4e 44 50 0a 09 50 |tall_com|.ENDP..P|
|000046b0| 41 47 45 0a 3b 0a 3b 20 | 52 45 53 54 4f 52 45 20 |AGE.;.; |RESTORE |
|000046c0| 4f 52 49 47 49 4e 41 4c | 20 49 4e 54 45 52 52 55 |ORIGINAL| INTERRU|
|000046d0| 50 54 20 56 45 43 54 4f | 52 0a 3b 0a 5f 72 65 73 |PT VECTO|R.;._res|
|000046e0| 74 6f 72 65 5f 63 6f 6d | 09 50 52 4f 43 20 46 41 |tore_com|.PROC FA|
|000046f0| 52 0a 09 70 75 73 68 20 | 62 70 0a 09 6d 6f 76 20 |R..push |bp..mov |
|00004700| 62 70 2c 73 70 0a 09 70 | 75 73 68 20 73 69 0a 09 |bp,sp..p|ush si..|
|00004710| 4d 4f 56 09 53 49 2c 43 | 55 52 52 45 4e 54 5f 41 |MOV.SI,C|URRENT_A|
|00004720| 52 45 41 09 3b 20 53 49 | 20 50 4f 49 4e 54 53 20 |REA.; SI| POINTS |
|00004730| 54 4f 20 44 41 54 41 20 | 41 52 45 41 0a 09 4d 4f |TO DATA |AREA..MO|
|00004740| 56 09 49 4e 53 54 41 4c | 4c 45 44 5b 53 49 5d 2c |V.INSTAL|LED[SI],|
|00004750| 30 09 3b 20 50 4f 52 54 | 20 49 53 20 4e 4f 20 4c |0.; PORT| IS NO L|
|00004760| 4f 4e 47 45 52 20 49 4e | 53 54 41 4c 4c 45 44 0a |ONGER IN|STALLED.|
|00004770| 09 4d 4f 56 09 41 48 2c | 32 35 48 09 09 3b 20 53 |.MOV.AH,|25H..; S|
|00004780| 45 54 20 49 4e 54 45 52 | 52 55 50 54 20 56 45 43 |ET INTER|RUPT VEC|
|00004790| 54 4f 52 20 46 55 4e 43 | 54 49 4f 4e 0a 09 4d 4f |TOR FUNC|TION..MO|
|000047a0| 56 09 41 4c 2c 49 4e 54 | 5f 43 4f 4d 5b 53 49 5d |V.AL,INT|_COM[SI]|
|000047b0| 09 3b 20 49 4e 54 45 52 | 52 55 50 54 20 4e 55 4d |.; INTER|RUPT NUM|
|000047c0| 42 45 52 0a 09 4d 4f 56 | 09 44 58 2c 4f 4c 44 5f |BER..MOV|.DX,OLD_|
|000047d0| 43 4f 4d 5f 4f 46 46 5b | 53 49 5d 20 3b 20 4f 4c |COM_OFF[|SI] ; OL|
|000047e0| 44 20 4f 46 46 53 45 54 | 20 54 4f 20 44 58 0a 09 |D OFFSET| TO DX..|
|000047f0| 4d 4f 56 09 42 58 2c 4f | 4c 44 5f 43 4f 4d 5f 53 |MOV.BX,O|LD_COM_S|
|00004800| 45 47 5b 53 49 5d 20 3b | 20 4f 4c 44 20 53 45 47 |EG[SI] ;| OLD SEG|
|00004810| 0a 09 50 55 53 48 09 44 | 53 09 09 3b 20 53 41 56 |..PUSH.D|S..; SAV|
|00004820| 45 20 44 53 0a 09 4d 4f | 56 09 44 53 2c 42 58 09 |E DS..MO|V.DS,BX.|
|00004830| 09 3b 20 54 4f 20 44 53 | 0a 09 49 4e 54 09 44 4f |.; TO DS|..INT.DO|
|00004840| 53 09 09 3b 20 44 4f 53 | 20 46 55 4e 43 54 49 4f |S..; DOS| FUNCTIO|
|00004850| 4e 0a 09 50 4f 50 09 44 | 53 09 09 3b 20 52 45 43 |N..POP.D|S..; REC|
|00004860| 4f 56 45 52 20 44 53 0a | 09 70 6f 70 20 73 69 0a |OVER DS.|.pop si.|
|00004870| 09 6d 6f 76 20 73 70 2c | 62 70 0a 09 70 6f 70 20 |.mov sp,|bp..pop |
|00004880| 62 70 0a 20 20 20 20 20 | 20 20 20 52 45 54 09 09 |bp.     |   RET..|
|00004890| 09 3b 20 44 4f 4e 45 0a | 5f 72 65 73 74 6f 72 65 |.; DONE.|_restore|
|000048a0| 5f 63 6f 6d 09 45 4e 44 | 50 0a 20 20 20 20 20 20 |_com.END|P.      |
|000048b0| 20 20 50 41 47 45 0a 3b | 0a 3b 20 4f 50 45 4e 5f |  PAGE.;|.; OPEN_|
|000048c0| 43 4f 4d 20 4f 4e 20 43 | 55 52 52 45 4e 54 20 50 |COM ON C|URRENT P|
|000048d0| 4f 52 54 0a 3b 0a 3b 20 | 43 4c 45 41 52 20 42 55 |ORT.;.; |CLEAR BU|
|000048e0| 46 46 45 52 53 0a 3b 20 | 52 45 2d 49 4e 49 54 49 |FFERS.; |RE-INITI|
|000048f0| 41 4c 49 5a 45 20 54 48 | 45 20 49 4e 54 45 4c 20 |ALIZE TH|E INTEL |
|00004900| 38 32 35 30 20 55 41 52 | 54 0a 3b 20 45 4e 41 42 |8250 UAR|T.; ENAB|
|00004910| 4c 45 20 49 4e 54 45 52 | 52 55 50 54 53 20 4f 4e |LE INTER|RUPTS ON|
|00004920| 20 54 48 45 20 49 4e 54 | 45 4c 20 38 32 35 39 20 | THE INT|EL 8259 |
|00004930| 49 4e 54 45 52 52 55 50 | 54 20 43 4f 4e 54 52 4f |INTERRUP|T CONTRO|
|00004940| 4c 20 43 48 49 50 0a 3b | 0a 3b 20 5b 62 70 2b 36 |L CHIP.;|.; [bp+6|
|00004950| 5d 20 3d 20 42 41 55 44 | 20 52 41 54 45 0a 3b 20 |] = BAUD| RATE.; |
|00004960| 5b 62 70 2b 38 5d 20 3d | 20 43 4f 4e 4e 45 43 54 |[bp+8] =| CONNECT|
|00004970| 49 4f 4e 3a 20 4d 28 4f | 44 45 4d 29 2c 20 44 28 |ION: M(O|DEM), D(|
|00004980| 49 52 45 43 54 29 0a 3b | 20 5b 62 70 2b 31 30 5d |IRECT).;| [bp+10]|
|00004990| 20 3d 20 50 41 52 49 54 | 59 3a 20 20 20 20 20 4e | = PARIT|Y:     N|
|000049a0| 28 4f 4e 45 29 2c 20 4f | 28 44 44 29 2c 20 45 28 |(ONE), O|(DD), E(|
|000049b0| 56 45 4e 29 2c 20 53 28 | 50 41 43 45 29 2c 20 4d |VEN), S(|PACE), M|
|000049c0| 28 41 52 4b 29 0a 3b 20 | 5b 62 70 2b 31 32 5d 20 |(ARK).; |[bp+12] |
|000049d0| 3d 20 53 54 4f 50 20 42 | 49 54 53 3a 20 20 31 2c |= STOP B|ITS:  1,|
|000049e0| 20 32 0a 3b 20 5b 62 70 | 2b 31 34 5d 20 3d 20 58 | 2.; [bp|+14] = X|
|000049f0| 4f 4e 2f 58 4f 46 46 3a | 20 20 20 45 28 4e 41 42 |ON/XOFF:|   E(NAB|
|00004a00| 4c 45 44 29 2c 20 44 28 | 49 53 41 42 4c 45 44 29 |LED), D(|ISABLED)|
|00004a10| 0a 3b 0a 5f 6f 70 65 6e | 5f 63 6f 6d 09 50 52 4f |.;._open|_com.PRO|
|00004a20| 43 20 46 41 52 0a 09 70 | 75 73 68 20 62 70 0a 09 |C FAR..p|ush bp..|
|00004a30| 6d 6f 76 20 62 70 2c 73 | 70 0a 09 70 75 73 68 20 |mov bp,s|p..push |
|00004a40| 73 69 0a 09 4d 4f 56 09 | 53 49 2c 43 55 52 52 45 |si..MOV.|SI,CURRE|
|00004a50| 4e 54 5f 41 52 45 41 09 | 09 3b 20 53 49 20 50 4f |NT_AREA.|.; SI PO|
|00004a60| 49 4e 54 53 20 54 4f 20 | 44 41 54 41 20 41 52 45 |INTS TO |DATA ARE|
|00004a70| 41 0a 20 0a 09 43 4c 49 | 09 09 09 09 3b 20 49 4e |A. ..CLI|....; IN|
|00004a80| 54 45 52 52 55 50 54 53 | 20 4f 46 46 0a 09 6d 6f |TERRUPTS| OFF..mo|
|00004a90| 76 20 61 78 2c 5b 62 70 | 2b 36 5d 0a 09 4d 4f 56 |v ax,[bp|+6]..MOV|
|00004aa0| 09 42 41 55 44 5f 52 41 | 54 45 5b 53 49 5d 2c 41 |.BAUD_RA|TE[SI],A|
|00004ab0| 58 09 3b 20 53 45 54 0a | 09 6d 6f 76 20 62 68 2c |X.; SET.|.mov bh,|
|00004ac0| 5b 62 70 2b 38 5d 0a 09 | 4d 4f 56 09 43 4f 4e 4e |[bp+8]..|MOV.CONN|
|00004ad0| 45 43 54 49 4f 4e 5b 53 | 49 5d 2c 42 48 09 3b 20 |ECTION[S|I],BH.; |
|00004ae0| 20 20 20 20 41 52 47 53 | 0a 09 6d 6f 76 20 62 6c |    ARGS|..mov bl|
|00004af0| 2c 5b 62 70 2b 31 30 5d | 0a 09 4d 4f 56 09 50 41 |,[bp+10]|..MOV.PA|
|00004b00| 52 49 54 59 5b 53 49 5d | 2c 42 4c 09 09 3b 20 20 |RITY[SI]|,BL..;  |
|00004b10| 20 20 20 20 20 20 20 20 | 49 4e 0a 09 6d 6f 76 20 |        |IN..mov |
|00004b20| 63 68 2c 5b 62 70 2b 31 | 32 5d 0a 09 4d 4f 56 09 |ch,[bp+1|2]..MOV.|
|00004b30| 53 54 4f 50 5f 42 49 54 | 53 5b 53 49 5d 2c 43 48 |STOP_BIT|S[SI],CH|
|00004b40| 09 3b 20 20 20 20 20 20 | 20 20 20 20 20 20 20 4d |.;      |       M|
|00004b50| 45 4d 4f 52 59 0a 09 6d | 6f 76 20 63 6c 2c 5b 62 |EMORY..m|ov cl,[b|
|00004b60| 70 2b 31 34 5d 0a 09 4d | 4f 56 09 58 4f 4e 5f 58 |p+14]..M|OV.XON_X|
|00004b70| 4f 46 46 5b 53 49 5d 2c | 43 4c 09 0a 20 0a 3b 20 |OFF[SI],|CL.. .; |
|00004b80| 52 45 53 45 54 20 46 4c | 4f 57 20 43 4f 4e 54 52 |RESET FL|OW CONTR|
|00004b90| 4f 4c 0a 09 4d 4f 56 09 | 48 4f 53 54 5f 4f 46 46 |OL..MOV.|HOST_OFF|
|00004ba0| 5b 53 49 5d 2c 30 09 09 | 3b 20 48 4f 53 54 20 46 |[SI],0..|; HOST F|
|00004bb0| 4c 4f 57 49 4e 47 0a 09 | 4d 4f 56 09 50 43 5f 4f |LOWING..|MOV.PC_O|
|00004bc0| 46 46 5b 53 49 5d 2c 30 | 09 09 3b 20 50 43 20 46 |FF[SI],0|..; PC F|
|00004bd0| 4c 4f 57 49 4e 47 0a 20 | 0a 3b 20 52 45 53 45 54 |LOWING. |.; RESET|
|00004be0| 20 42 55 46 46 45 52 20 | 43 4f 55 4e 54 53 20 41 | BUFFER |COUNTS A|
|00004bf0| 4e 44 20 50 4f 49 4e 54 | 45 52 53 0a 09 4d 4f 56 |ND POINT|ERS..MOV|
|00004c00| 09 53 54 41 52 54 5f 54 | 44 41 54 41 5b 53 49 5d |.START_T|DATA[SI]|
|00004c10| 2c 30 0a 09 4d 4f 56 09 | 45 4e 44 5f 54 44 41 54 |,0..MOV.|END_TDAT|
|00004c20| 41 5b 53 49 5d 2c 30 0a | 09 4d 4f 56 09 53 54 41 |A[SI],0.|.MOV.STA|
|00004c30| 52 54 5f 52 44 41 54 41 | 5b 53 49 5d 2c 30 0a 09 |RT_RDATA|[SI],0..|
|00004c40| 4d 4f 56 09 45 4e 44 5f | 52 44 41 54 41 5b 53 49 |MOV.END_|RDATA[SI|
|00004c50| 5d 2c 30 0a 09 4d 4f 56 | 09 53 49 5a 45 5f 54 44 |],0..MOV|.SIZE_TD|
|00004c60| 41 54 41 5b 53 49 5d 2c | 30 0a 09 4d 4f 56 09 53 |ATA[SI],|0..MOV.S|
|00004c70| 49 5a 45 5f 52 44 41 54 | 41 5b 53 49 5d 2c 30 0a |IZE_RDAT|A[SI],0.|
|00004c80| 20 0a 09 54 45 53 54 09 | 49 4e 53 54 41 4c 4c 45 | ..TEST.|INSTALLE|
|00004c90| 44 5b 53 49 5d 2c 31 09 | 09 3b 20 50 4f 52 54 20 |D[SI],1.|.; PORT |
|00004ca0| 49 4e 53 54 41 4c 4c 45 | 44 3f 0a 09 4a 4e 5a 09 |INSTALLE|D?..JNZ.|
|00004cb0| 4f 43 31 09 09 09 3b 20 | 53 4b 49 50 20 49 46 20 |OC1...; |SKIP IF |
|00004cc0| 53 4f 0a 09 4a 4d 50 09 | 4f 43 58 09 09 09 3b 20 |SO..JMP.|OCX...; |
|00004cd0| 45 4c 53 45 20 41 42 4f | 52 54 0a 4f 43 31 3a 0a |ELSE ABO|RT.OC1:.|
|00004ce0| 3b 20 52 45 53 45 54 20 | 54 48 45 20 38 32 35 30 |; RESET |THE 8250|
|00004cf0| 0a 20 20 20 20 20 20 20 | 20 4d 4f 56 20 20 20 20 |.       | MOV    |
|00004d00| 20 41 4c 2c 30 0a 20 20 | 20 20 20 20 20 20 4d 4f | AL,0.  |      MO|
|00004d10| 56 20 20 20 20 20 44 58 | 2c 4d 43 52 5b 53 49 5d |V     DX|,MCR[SI]|
|00004d20| 0a 20 20 20 20 20 20 20 | 20 4f 55 54 20 20 20 20 |.       | OUT    |
|00004d30| 20 44 58 2c 41 4c 0a 09 | 4a 4d 50 09 24 2b 32 09 | DX,AL..|JMP.$+2.|
|00004d40| 09 3b 20 49 2f 4f 20 44 | 45 4c 41 59 20 46 4f 52 |.; I/O D|ELAY FOR|
|00004d50| 20 4a 52 0a 20 0a 20 20 | 20 20 20 20 20 20 4d 4f | JR. .  |      MO|
|00004d60| 56 20 20 20 20 20 44 58 | 2c 4c 53 52 5b 53 49 5d |V     DX|,LSR[SI]|
|00004d70| 09 3b 20 52 45 53 45 54 | 20 4c 49 4e 45 20 53 54 |.; RESET| LINE ST|
|00004d80| 41 54 55 53 20 43 4f 4e | 44 49 54 49 4f 4e 0a 20 |ATUS CON|DITION. |
|00004d90| 20 20 20 20 20 20 20 49 | 4e 20 20 20 20 20 20 41 |       I|N      A|
|00004da0| 4c 2c 44 58 0a 09 4a 4d | 50 09 24 2b 32 09 09 3b |L,DX..JM|P.$+2..;|
|00004db0| 20 49 2f 4f 20 44 45 4c | 41 59 20 46 4f 52 20 4a | I/O DEL|AY FOR J|
|00004dc0| 52 0a 20 20 20 20 20 20 | 20 20 4d 4f 56 20 20 20 |R.      |  MOV   |
|00004dd0| 20 20 44 58 2c 44 41 54 | 52 45 47 5b 53 49 5d 09 |  DX,DAT|REG[SI].|
|00004de0| 3b 20 52 45 53 45 54 20 | 52 45 43 53 49 56 45 20 |; RESET |RECSIVE |
|00004df0| 44 41 54 41 20 43 4f 4e | 44 49 54 49 4f 4e 0a 20 |DATA CON|DITION. |
|00004e00| 20 20 20 20 20 20 20 49 | 4e 20 20 20 20 20 20 41 |       I|N      A|
|00004e10| 4c 2c 44 58 0a 09 4a 4d | 50 09 24 2b 32 09 09 3b |L,DX..JM|P.$+2..;|
|00004e20| 20 49 2f 4f 20 44 45 4c | 41 59 20 46 4f 52 20 4a | I/O DEL|AY FOR J|
|00004e30| 52 0a 20 20 20 20 20 20 | 20 20 4d 4f 56 20 20 20 |R.      |  MOV   |
|00004e40| 20 20 44 58 2c 4d 53 52 | 5b 53 49 5d 09 3b 20 52 |  DX,MSR|[SI].; R|
|00004e50| 45 53 45 54 20 4d 4f 44 | 45 4d 20 44 45 4c 54 41 |ESET MOD|EM DELTA|
|00004e60| 53 20 41 4e 44 20 43 4f | 4e 44 49 54 49 4f 4e 53 |S AND CO|NDITIONS|
|00004e70| 0a 20 20 20 20 20 20 20 | 20 49 4e 20 20 20 20 20 |.       | IN     |
|00004e80| 20 41 4c 2c 44 58 0a 20 | 0a 3b 20 43 4f 4e 56 45 | AL,DX. |.; CONVE|
|00004e90| 52 54 20 50 41 53 53 45 | 44 20 42 41 55 44 20 52 |RT PASSE|D BAUD R|
|00004ea0| 41 54 45 20 54 4f 20 38 | 32 35 30 20 44 49 56 49 |ATE TO 8|250 DIVI|
|00004eb0| 53 4f 52 0a 09 4d 4f 56 | 09 41 58 2c 35 30 09 09 |SOR..MOV|.AX,50..|
|00004ec0| 3b 20 35 30 20 42 41 55 | 44 0a 09 4d 55 4c 09 44 |; 50 BAU|D..MUL.D|
|00004ed0| 49 56 35 30 09 09 3b 20 | 54 49 4d 45 53 20 49 54 |IV50..; |TIMES IT|
|00004ee0| 53 20 44 49 56 49 53 4f | 52 0a 09 44 49 56 09 42 |S DIVISO|R..DIV.B|
|00004ef0| 41 55 44 5f 52 41 54 45 | 5b 53 49 5d 09 3b 20 4f |AUD_RATE|[SI].; O|
|00004f00| 54 48 45 52 20 53 50 45 | 45 44 53 20 41 52 45 20 |THER SPE|EDS ARE |
|00004f10| 50 52 4f 50 4f 52 54 49 | 4f 4e 41 4c 0a 09 4d 4f |PROPORTI|ONAL..MO|
|00004f20| 56 09 42 58 2c 41 58 09 | 09 3b 20 52 45 53 55 4c |V.BX,AX.|.; RESUL|
|00004f30| 54 20 54 4f 20 42 58 0a | 20 0a 3b 20 53 45 54 20 |T TO BX.| .; SET |
|00004f40| 38 32 35 30 20 44 49 56 | 49 53 4f 52 0a 20 20 20 |8250 DIV|ISOR.   |
|00004f50| 20 20 20 20 20 4d 4f 56 | 20 20 20 20 20 44 58 2c |     MOV|     DX,|
|00004f60| 4c 43 52 5b 53 49 5d 09 | 3b 20 4c 49 4e 45 20 43 |LCR[SI].|; LINE C|
|00004f70| 4f 4e 54 52 4f 4c 20 52 | 45 47 49 53 54 45 52 0a |ONTROL R|EGISTER.|
|00004f80| 20 20 20 20 20 20 20 20 | 4d 4f 56 20 20 20 20 20 |        |MOV     |
|00004f90| 41 4c 2c 38 30 48 20 20 | 20 20 20 20 20 20 20 20 |AL,80H  |        |
|00004fa0| 3b 20 48 49 20 42 49 54 | 20 4f 4e 0a 20 20 20 20 |; HI BIT| ON.    |
|00004fb0| 20 20 20 20 4f 55 54 20 | 20 20 20 20 44 58 2c 41 |    OUT |    DX,A|
|00004fc0| 4c 20 20 20 20 20 20 20 | 20 20 20 20 3b 20 53 45 |L       |    ; SE|
|00004fd0| 54 20 44 4c 41 42 20 3d | 20 31 0a 09 4a 4d 50 09 |T DLAB =| 1..JMP.|
|00004fe0| 24 2b 32 09 09 3b 20 49 | 2f 4f 20 44 45 4c 41 59 |$+2..; I|/O DELAY|
|00004ff0| 20 46 4f 52 20 4a 52 0a | 20 20 20 20 20 20 20 20 | FOR JR.|        |
|00005000| 4d 4f 56 20 20 20 20 20 | 44 58 2c 57 4f 52 44 20 |MOV     |DX,WORD |
|00005010| 50 54 52 20 44 4c 4c 5b | 53 49 5d 09 3b 20 4c 45 |PTR DLL[|SI].; LE|
|00005020| 41 53 54 20 53 49 47 4e | 49 46 49 43 41 4e 54 20 |AST SIGN|IFICANT |
|00005030| 42 59 54 45 0a 20 20 20 | 20 20 20 20 20 4d 4f 56 |BYTE.   |     MOV|
|00005040| 20 20 20 20 20 41 4c 2c | 42 4c 09 09 3b 20 4c 53 |     AL,|BL..; LS|
|00005050| 42 20 46 52 4f 4d 20 54 | 41 42 4c 45 0a 20 20 20 |B FROM T|ABLE.   |
|00005060| 20 20 20 20 20 4f 55 54 | 20 20 20 20 20 44 58 2c |     OUT|     DX,|
|00005070| 41 4c 20 20 20 20 20 20 | 20 20 20 20 20 3b 20 53 |AL      |     ; S|
|00005080| 45 54 20 4c 53 42 20 4f | 4e 20 38 32 35 30 0a 09 |ET LSB O|N 8250..|
|00005090| 4a 4d 50 09 24 2b 32 09 | 09 3b 20 49 2f 4f 20 44 |JMP.$+2.|.; I/O D|
|000050a0| 45 4c 41 59 20 46 4f 52 | 20 4a 52 0a 20 20 20 20 |ELAY FOR| JR.    |
|000050b0| 20 20 20 20 4d 4f 56 20 | 20 20 20 20 44 58 2c 57 |    MOV |    DX,W|
|000050c0| 4f 52 44 20 50 54 52 20 | 44 4c 48 5b 53 49 5d 09 |ORD PTR |DLH[SI].|
|000050d0| 3b 20 4d 4f 53 54 20 53 | 49 47 4e 49 46 49 43 41 |; MOST S|IGNIFICA|
|000050e0| 4e 54 20 42 59 54 45 0a | 20 20 20 20 20 20 20 20 |NT BYTE.|        |
|000050f0| 4d 4f 56 20 20 20 20 20 | 41 4c 2c 42 48 09 09 3b |MOV     |AL,BH..;|
|00005100| 20 4d 53 42 20 46 52 4f | 4d 20 54 41 42 4c 45 0a | MSB FRO|M TABLE.|
|00005110| 20 20 20 20 20 20 20 20 | 4f 55 54 20 20 20 20 20 |        |OUT     |
|00005120| 44 58 2c 41 4c 20 20 20 | 20 20 20 20 20 20 20 20 |DX,AL   |        |
|00005130| 3b 20 53 45 54 20 4d 53 | 42 20 4f 4e 20 38 32 35 |; SET MS|B ON 825|
|00005140| 30 0a 09 4a 4d 50 09 24 | 2b 32 09 09 3b 20 49 2f |0..JMP.$|+2..; I/|
|00005150| 4f 20 44 45 4c 41 59 20 | 46 4f 52 20 4a 52 0a 20 |O DELAY |FOR JR. |
|00005160| 0a 3b 20 53 45 54 20 50 | 41 52 49 54 59 20 41 4e |.; SET P|ARITY AN|
|00005170| 44 20 4e 55 4d 42 45 52 | 20 4f 46 20 53 54 4f 50 |D NUMBER| OF STOP|
|00005180| 20 42 49 54 53 0a 09 4d | 4f 56 09 41 4c 2c 30 33 | BITS..M|OV.AL,03|
|00005190| 48 09 09 3b 20 4e 4f 4e | 45 20 4f 52 20 53 50 41 |H..; NON|E OR SPA|
|000051a0| 43 45 20 50 41 52 49 54 | 59 20 49 53 20 54 48 45 |CE PARIT|Y IS THE|
|000051b0| 20 44 45 46 41 55 4c 54 | 0a 09 43 4d 50 09 50 41 | DEFAULT|..CMP.PA|
|000051c0| 52 49 54 59 5b 53 49 5d | 2c 27 4f 27 09 3b 20 4f |RITY[SI]|,'O'.; O|
|000051d0| 44 44 20 50 41 52 49 54 | 59 20 52 45 51 55 45 53 |DD PARIT|Y REQUES|
|000051e0| 54 45 44 3f 0a 09 4a 4e | 45 09 50 31 09 09 3b 20 |TED?..JN|E.P1..; |
|000051f0| 4a 55 4d 50 20 49 46 20 | 4e 4f 54 0a 09 4d 4f 56 |JUMP IF |NOT..MOV|
|00005200| 09 41 4c 2c 30 41 48 09 | 09 3b 20 53 45 4c 45 43 |.AL,0AH.|.; SELEC|
|00005210| 54 20 4f 44 44 20 50 41 | 52 49 54 59 0a 09 4a 4d |T ODD PA|RITY..JM|
|00005220| 50 09 53 48 4f 52 54 20 | 50 33 09 3b 20 43 4f 4e |P.SHORT |P3.; CON|
|00005230| 54 49 4e 55 45 0a 50 31 | 3a 09 43 4d 50 09 50 41 |TINUE.P1|:.CMP.PA|
|00005240| 52 49 54 59 5b 53 49 5d | 2c 27 45 27 09 3b 20 45 |RITY[SI]|,'E'.; E|
|00005250| 56 45 4e 20 50 41 52 49 | 54 59 20 52 45 51 55 45 |VEN PARI|TY REQUE|
|00005260| 53 54 45 44 3f 0a 09 4a | 4e 45 09 50 32 09 09 3b |STED?..J|NE.P2..;|
|00005270| 20 4a 55 4d 50 20 49 46 | 20 4e 4f 54 0a 09 4d 4f | JUMP IF| NOT..MO|
|00005280| 56 09 41 4c 2c 31 41 48 | 09 09 3b 20 53 45 4c 45 |V.AL,1AH|..; SELE|
|00005290| 43 54 20 45 56 45 4e 20 | 50 41 52 49 54 59 0a 09 |CT EVEN |PARITY..|
|000052a0| 4a 4d 50 09 53 48 4f 52 | 54 20 50 33 09 3b 20 43 |JMP.SHOR|T P3.; C|
|000052b0| 4f 4e 54 49 4e 55 45 0a | 50 32 3a 09 43 4d 50 09 |ONTINUE.|P2:.CMP.|
|000052c0| 50 41 52 49 54 59 5b 53 | 49 5d 2c 27 4d 27 09 3b |PARITY[S|I],'M'.;|
|000052d0| 20 4d 41 52 4b 20 50 41 | 52 49 54 59 20 52 45 51 | MARK PA|RITY REQ|
|000052e0| 55 45 53 54 45 44 3f 0a | 09 4a 4e 45 09 50 33 09 |UESTED?.|.JNE.P3.|
|000052f0| 09 3b 20 4a 55 4d 50 20 | 49 46 20 4e 4f 54 0a 09 |.; JUMP |IF NOT..|
|00005300| 4d 4f 56 09 41 4c 2c 32 | 41 48 09 09 3b 20 53 45 |MOV.AL,2|AH..; SE|
|00005310| 4c 45 43 54 20 4d 41 52 | 4b 20 50 41 52 49 54 59 |LECT MAR|K PARITY|
|00005320| 0a 50 33 3a 09 54 45 53 | 54 09 53 54 4f 50 5f 42 |.P3:.TES|T.STOP_B|
|00005330| 49 54 53 5b 53 49 5d 2c | 32 09 3b 20 32 20 53 54 |ITS[SI],|2.; 2 ST|
|00005340| 4f 50 20 42 49 54 53 20 | 52 45 51 55 45 53 54 45 |OP BITS |REQUESTE|
|00005350| 44 3f 0a 09 4a 5a 09 53 | 54 4f 50 31 09 09 3b 20 |D?..JZ.S|TOP1..; |
|00005360| 4e 4f 0a 09 4f 52 09 41 | 4c 2c 34 09 09 3b 20 59 |NO..OR.A|L,4..; Y|
|00005370| 45 53 0a 53 54 4f 50 31 | 3a 09 4d 4f 56 20 20 20 |ES.STOP1|:.MOV   |
|00005380| 20 20 44 58 2c 4c 43 52 | 5b 53 49 5d 09 3b 20 4c |  DX,LCR|[SI].; L|
|00005390| 49 4e 45 20 43 4f 4e 54 | 52 4f 4c 20 52 45 47 49 |INE CONT|ROL REGI|
|000053a0| 53 54 45 52 0a 20 20 20 | 20 20 20 20 20 4f 55 54 |STER.   |     OUT|
|000053b0| 20 20 20 20 20 44 58 2c | 41 4c 20 20 20 20 20 20 |     DX,|AL      |
|000053c0| 20 20 20 20 20 3b 20 53 | 45 54 20 38 32 35 30 20 |     ; S|ET 8250 |
|000053d0| 50 41 52 49 54 59 20 4d | 4f 44 45 20 41 4e 44 20 |PARITY M|ODE AND |
|000053e0| 44 4c 41 42 3d 30 0a 20 | 0a 3b 20 45 4e 41 42 4c |DLAB=0. |.; ENABL|
|000053f0| 45 20 49 4e 54 45 52 52 | 55 50 54 53 20 4f 4e 20 |E INTERR|UPTS ON |
|00005400| 38 32 35 39 20 41 4e 44 | 20 38 32 35 30 0a 20 20 |8259 AND| 8250.  |
|00005410| 20 20 20 20 20 20 49 4e | 20 20 20 20 20 20 41 4c |      IN|      AL|
|00005420| 2c 49 4e 54 41 30 31 09 | 3b 20 53 45 54 20 45 4e |,INTA01.|; SET EN|
|00005430| 41 42 4c 45 20 42 49 54 | 20 4f 4e 20 38 32 35 39 |ABLE BIT| ON 8259|
|00005440| 0a 20 20 20 20 20 20 20 | 20 41 4e 44 20 20 20 20 |.       | AND    |
|00005450| 20 41 4c 2c 4e 49 52 51 | 5b 53 49 5d 0a 20 20 20 | AL,NIRQ|[SI].   |
|00005460| 20 20 20 20 20 4f 55 54 | 20 20 20 20 20 49 4e 54 |     OUT|     INT|
|00005470| 41 30 31 2c 41 4c 0a 20 | 20 20 20 20 20 20 20 4d |A01,AL. |       M|
|00005480| 4f 56 20 20 20 20 20 44 | 58 2c 49 45 52 5b 53 49 |OV     D|X,IER[SI|
|00005490| 5d 09 3b 20 45 4e 41 42 | 4c 45 20 49 4e 54 45 52 |].; ENAB|LE INTER|
|000054a0| 52 55 50 54 53 20 4f 4e | 20 38 32 35 30 0a 20 20 |RUPTS ON| 8250.  |
|000054b0| 20 20 20 20 20 20 4d 4f | 56 20 20 20 20 20 41 4c |      MO|V     AL|
|000054c0| 2c 35 09 09 3b 20 52 45 | 43 45 49 56 45 20 26 20 |,5..; RE|CEIVE & |
|000054d0| 4c 49 4e 45 20 45 52 52 | 4f 52 0a 20 20 20 20 20 |LINE ERR|OR.     |
|000054e0| 20 20 20 4f 55 54 20 20 | 20 20 20 44 58 2c 41 4c |   OUT  |   DX,AL|
|000054f0| 0a 09 4a 4d 50 09 24 2b | 32 09 09 3b 20 49 2f 4f |..JMP.$+|2..; I/O|
|00005500| 20 44 45 4c 41 59 20 46 | 4f 52 20 4a 52 0a 20 20 | DELAY F|OR JR.  |
|00005510| 20 20 20 20 20 20 4d 4f | 56 20 20 20 20 20 44 58 |      MO|V     DX|
|00005520| 2c 4d 43 52 5b 53 49 5d | 09 3b 20 53 45 54 20 44 |,MCR[SI]|.; SET D|
|00005530| 54 52 20 41 4e 44 20 45 | 4e 41 42 4c 45 20 49 4e |TR AND E|NABLE IN|
|00005540| 54 20 44 52 49 56 45 52 | 0a 20 20 20 20 20 20 20 |T DRIVER|.       |
|00005550| 20 4d 4f 56 20 20 20 20 | 20 41 4c 2c 30 42 48 0a | MOV    | AL,0BH.|
|00005560| 20 20 20 20 20 20 20 20 | 4f 55 54 20 20 20 20 20 |        |OUT     |
|00005570| 44 58 2c 41 4c 0a 20 0a | 4f 43 58 3a 09 53 54 49 |DX,AL. .|OCX:.STI|
|00005580| 09 09 09 3b 20 49 4e 54 | 45 52 52 55 50 54 53 20 |...; INT|ERRUPTS |
|00005590| 4f 4e 0a 09 70 6f 70 20 | 73 69 0a 09 6d 6f 76 20 |ON..pop |si..mov |
|000055a0| 73 70 2c 62 70 0a 09 70 | 6f 70 20 62 70 0a 09 52 |sp,bp..p|op bp..R|
|000055b0| 45 54 09 09 09 3b 20 44 | 4f 4e 45 0a 5f 6f 70 65 |ET...; D|ONE._ope|
|000055c0| 6e 5f 63 6f 6d 09 45 4e | 44 50 0a 09 50 41 47 45 |n_com.EN|DP..PAGE|
|000055d0| 0a 3b 0a 3b 20 43 4c 4f | 53 45 5f 43 4f 4d 20 2d |.;.; CLO|SE_COM -|
|000055e0| 20 54 55 52 4e 53 20 4f | 46 46 20 49 4e 54 45 52 | TURNS O|FF INTER|
|000055f0| 52 55 50 54 53 20 46 52 | 4f 4d 20 54 48 45 20 43 |RUPTS FR|OM THE C|
|00005600| 4f 4d 4d 55 4e 49 43 41 | 54 49 4f 4e 53 20 50 4f |OMMUNICA|TIONS PO|
|00005610| 52 54 0a 3b 0a 5f 63 6c | 6f 73 65 5f 63 6f 6d 09 |RT.;._cl|ose_com.|
|00005620| 50 52 4f 43 20 46 41 52 | 0a 09 70 75 73 68 20 62 |PROC FAR|..push b|
|00005630| 70 0a 09 6d 6f 76 20 62 | 70 2c 73 70 0a 09 70 75 |p..mov b|p,sp..pu|
|00005640| 73 68 20 73 69 0a 09 4d | 4f 56 09 53 49 2c 43 55 |sh si..M|OV.SI,CU|
|00005650| 52 52 45 4e 54 5f 41 52 | 45 41 09 3b 20 53 49 20 |RRENT_AR|EA.; SI |
|00005660| 50 4f 49 4e 54 53 20 54 | 4f 20 44 41 54 41 20 41 |POINTS T|O DATA A|
|00005670| 52 45 41 0a 09 54 45 53 | 54 09 49 4e 53 54 41 4c |REA..TES|T.INSTAL|
|00005680| 4c 45 44 5b 53 49 5d 2c | 31 09 3b 20 50 4f 52 54 |LED[SI],|1.; PORT|
|00005690| 20 49 4e 53 54 41 4c 4c | 45 44 3f 0a 09 4a 5a 09 | INSTALL|ED?..JZ.|
|000056a0| 43 43 58 09 09 3b 20 41 | 42 4f 52 54 20 49 46 20 |CCX..; A|BORT IF |
|000056b0| 4e 4f 54 0a 20 0a 3b 20 | 54 55 52 4e 20 4f 46 46 |NOT. .; |TURN OFF|
|000056c0| 20 38 32 35 30 0a 20 20 | 20 20 20 20 20 20 4d 4f | 8250.  |      MO|
|000056d0| 56 20 20 20 20 20 44 58 | 2c 49 45 52 5b 53 49 5d |V     DX|,IER[SI]|
|000056e0| 0a 20 20 20 20 20 20 20 | 20 4d 4f 56 20 20 20 20 |.       | MOV    |
|000056f0| 20 41 4c 2c 30 0a 20 20 | 20 20 20 20 20 20 4f 55 | AL,0.  |      OU|
|00005700| 54 20 20 20 20 20 44 58 | 2c 41 4c 0a 20 0a 3b 20 |T     DX|,AL. .; |
|00005710| 54 55 52 4e 20 4f 46 46 | 20 38 32 35 39 0a 20 20 |TURN OFF| 8259.  |
|00005720| 20 20 20 20 20 20 4d 4f | 56 20 20 20 20 20 44 58 |      MO|V     DX|
|00005730| 2c 49 4e 54 41 30 31 0a | 20 20 20 20 20 20 20 20 |,INTA01.|        |
|00005740| 49 4e 20 20 20 20 20 20 | 41 4c 2c 44 58 0a 20 20 |IN      |AL,DX.  |
|00005750| 20 20 20 20 20 20 4f 52 | 20 20 20 20 20 20 41 4c |      OR|      AL|
|00005760| 2c 49 52 51 5b 53 49 5d | 0a 09 4a 4d 50 09 24 2b |,IRQ[SI]|..JMP.$+|
|00005770| 32 09 09 3b 20 44 45 4c | 41 59 20 46 4f 52 20 41 |2..; DEL|AY FOR A|
|00005780| 54 0a 20 20 20 20 20 20 | 20 20 4f 55 54 20 20 20 |T.      |  OUT   |
|00005790| 20 20 44 58 2c 41 4c 0a | 20 0a 43 43 58 3a 09 70 |  DX,AL.| .CCX:.p|
|000057a0| 6f 70 20 73 69 0a 09 6d | 6f 76 20 73 70 2c 62 70 |op si..m|ov sp,bp|
|000057b0| 0a 09 70 6f 70 20 62 70 | 0a 09 52 45 54 0a 5f 63 |..pop bp|..RET._c|
|000057c0| 6c 6f 73 65 5f 63 6f 6d | 09 45 4e 44 50 0a 20 20 |lose_com|.ENDP.  |
|000057d0| 20 20 20 20 20 20 50 41 | 47 45 0a 3b 0a 3b 20 44 |      PA|GE.;.; D|
|000057e0| 54 52 5f 4f 46 46 20 2d | 20 54 55 52 4e 53 20 4f |TR_OFF -| TURNS O|
|000057f0| 46 46 20 44 54 52 20 54 | 4f 20 54 45 4c 4c 20 4d |FF DTR T|O TELL M|
|00005800| 4f 44 45 4d 53 20 54 48 | 41 54 20 54 48 45 20 54 |ODEMS TH|AT THE T|
|00005810| 45 52 4d 49 4e 41 4c 20 | 48 41 53 20 47 4f 4e 45 |ERMINAL |HAS GONE|
|00005820| 20 41 57 41 59 0a 3b 20 | 20 20 20 20 20 20 20 20 | AWAY.; |        |
|00005830| 20 20 41 4e 44 20 54 4f | 20 48 41 4e 47 20 55 50 |  AND TO| HANG UP|
|00005840| 20 54 48 45 20 50 48 4f | 4e 45 0a 3b 0a 5f 64 74 | THE PHO|NE.;._dt|
|00005850| 72 5f 6f 66 66 09 50 52 | 4f 43 20 46 41 52 0a 09 |r_off.PR|OC FAR..|
|00005860| 70 75 73 68 20 62 70 0a | 09 6d 6f 76 20 62 70 2c |push bp.|.mov bp,|
|00005870| 73 70 0a 09 70 75 73 68 | 20 73 69 0a 09 50 55 53 |sp..push| si..PUS|
|00005880| 48 46 09 09 09 3b 20 53 | 41 56 45 20 46 4c 41 47 |HF...; S|AVE FLAG|
|00005890| 53 0a 09 50 55 53 48 09 | 41 58 09 09 3b 20 53 41 |S..PUSH.|AX..; SA|
|000058a0| 56 45 20 52 45 47 53 0a | 09 50 55 53 48 09 44 58 |VE REGS.|.PUSH.DX|
|000058b0| 0a 09 50 55 53 48 09 53 | 49 0a 09 4d 4f 56 09 53 |..PUSH.S|I..MOV.S|
|000058c0| 49 2c 43 55 52 52 45 4e | 54 5f 41 52 45 41 09 3b |I,CURREN|T_AREA.;|
|000058d0| 20 53 49 20 50 4f 49 4e | 54 53 20 54 4f 20 44 41 | SI POIN|TS TO DA|
|000058e0| 54 41 20 41 52 45 41 0a | 09 54 45 53 54 09 49 4e |TA AREA.|.TEST.IN|
|000058f0| 53 54 41 4c 4c 45 44 5b | 53 49 5d 2c 31 09 3b 20 |STALLED[|SI],1.; |
|00005900| 50 4f 52 54 20 49 4e 53 | 54 41 4c 4c 45 44 3f 0a |PORT INS|TALLED?.|
|00005910| 09 4a 5a 09 44 46 58 09 | 09 3b 20 41 42 4f 52 54 |.JZ.DFX.|.; ABORT|
|00005920| 20 49 46 20 4e 4f 54 0a | 20 0a 20 20 20 20 20 20 | IF NOT.| .      |
|00005930| 20 20 4d 4f 56 20 20 20 | 20 20 44 58 2c 4d 43 52 |  MOV   |  DX,MCR|
|00005940| 5b 53 49 5d 0a 20 20 20 | 20 20 20 20 20 4d 4f 56 |[SI].   |     MOV|
|00005950| 20 20 20 20 20 41 4c 2c | 30 38 48 09 09 3b 20 44 |     AL,|08H..; D|
|00005960| 54 52 20 4f 46 46 2c 20 | 52 54 53 20 4f 46 46 2c |TR OFF, |RTS OFF,|
|00005970| 20 4f 55 54 32 20 4f 4e | 0a 20 20 20 20 20 20 20 | OUT2 ON|.       |
|00005980| 20 4f 55 54 20 20 20 20 | 20 44 58 2c 41 4c 0a 44 | OUT    | DX,AL.D|
|00005990| 46 58 3a 09 50 4f 50 09 | 53 49 09 09 3b 20 52 45 |FX:.POP.|SI..; RE|
|000059a0| 43 4f 56 45 52 20 52 45 | 47 53 0a 09 50 4f 50 09 |COVER RE|GS..POP.|
|000059b0| 44 58 0a 09 50 4f 50 09 | 41 58 0a 09 50 4f 50 46 |DX..POP.|AX..POPF|
|000059c0| 09 09 09 3b 20 52 45 43 | 4f 56 45 52 20 46 4c 41 |...; REC|OVER FLA|
|000059d0| 47 53 0a 09 70 6f 70 20 | 73 69 0a 09 6d 6f 76 20 |GS..pop |si..mov |
|000059e0| 73 70 2c 62 70 0a 09 70 | 6f 70 20 62 70 0a 09 52 |sp,bp..p|op bp..R|
|000059f0| 45 54 0a 5f 64 74 72 5f | 6f 66 66 09 45 4e 44 50 |ET._dtr_|off.ENDP|
|00005a00| 0a 3b 0a 3b 20 44 54 52 | 5f 4f 4e 20 2d 20 54 55 |.;.; DTR|_ON - TU|
|00005a10| 52 4e 53 20 44 54 52 20 | 4f 4e 0a 3b 0a 5f 64 74 |RNS DTR |ON.;._dt|
|00005a20| 72 5f 6f 6e 09 50 52 4f | 43 20 46 41 52 0a 09 70 |r_on.PRO|C FAR..p|
|00005a30| 75 73 68 20 62 70 0a 09 | 6d 6f 76 20 62 70 2c 73 |ush bp..|mov bp,s|
|00005a40| 70 0a 09 70 75 73 68 20 | 73 69 0a 09 50 55 53 48 |p..push |si..PUSH|
|00005a50| 46 09 09 09 3b 20 53 41 | 56 45 20 46 4c 41 47 53 |F...; SA|VE FLAGS|
|00005a60| 0a 09 50 55 53 48 09 41 | 58 09 09 3b 20 53 41 56 |..PUSH.A|X..; SAV|
|00005a70| 45 20 52 45 47 53 0a 09 | 50 55 53 48 09 44 58 0a |E REGS..|PUSH.DX.|
|00005a80| 09 50 55 53 48 09 53 49 | 0a 09 4d 4f 56 09 53 49 |.PUSH.SI|..MOV.SI|
|00005a90| 2c 43 55 52 52 45 4e 54 | 5f 41 52 45 41 09 3b 20 |,CURRENT|_AREA.; |
|00005aa0| 53 49 20 50 4f 49 4e 54 | 53 20 54 4f 20 44 41 54 |SI POINT|S TO DAT|
|00005ab0| 41 20 41 52 45 41 0a 09 | 54 45 53 54 09 49 4e 53 |A AREA..|TEST.INS|
|00005ac0| 54 41 4c 4c 45 44 5b 53 | 49 5d 2c 31 09 3b 20 50 |TALLED[S|I],1.; P|
|00005ad0| 4f 52 54 20 49 4e 53 54 | 41 4c 4c 45 44 3f 0a 09 |ORT INST|ALLED?..|
|00005ae0| 4a 5a 09 44 4e 58 09 09 | 3b 20 41 42 4f 52 54 20 |JZ.DNX..|; ABORT |
|00005af0| 49 46 20 4e 4f 54 0a 20 | 0a 20 20 20 20 20 20 20 |IF NOT. |.       |
|00005b00| 20 4d 4f 56 20 20 20 20 | 20 44 58 2c 4d 43 52 5b | MOV    | DX,MCR[|
|00005b10| 53 49 5d 0a 20 20 20 20 | 20 20 20 20 4d 4f 56 20 |SI].    |    MOV |
|00005b20| 20 20 20 20 41 4c 2c 30 | 42 48 0a 20 20 20 20 20 |    AL,0|BH.     |
|00005b30| 20 20 20 4f 55 54 20 20 | 20 20 20 44 58 2c 41 4c |   OUT  |   DX,AL|
|00005b40| 0a 44 4e 58 3a 09 50 4f | 50 09 53 49 09 09 3b 20 |.DNX:.PO|P.SI..; |
|00005b50| 52 45 43 4f 56 45 52 20 | 52 45 47 53 0a 09 50 4f |RECOVER |REGS..PO|
|00005b60| 50 09 44 58 0a 09 50 4f | 50 09 41 58 0a 09 50 4f |P.DX..PO|P.AX..PO|
|00005b70| 50 46 09 09 09 3b 20 52 | 45 43 4f 56 45 52 20 46 |PF...; R|ECOVER F|
|00005b80| 4c 41 47 53 0a 09 70 6f | 70 20 73 69 0a 09 6d 6f |LAGS..po|p si..mo|
|00005b90| 76 20 73 70 2c 62 70 0a | 09 70 6f 70 20 62 70 0a |v sp,bp.|.pop bp.|
|00005ba0| 09 52 45 54 09 09 09 3b | 20 44 4f 4e 45 0a 5f 64 |.RET...;| DONE._d|
|00005bb0| 74 72 5f 6f 6e 09 45 4e | 44 50 0a 20 20 20 20 20 |tr_on.EN|DP.     |
|00005bc0| 20 20 20 50 41 47 45 0a | 3b 0a 3b 20 52 5f 43 4f |   PAGE.|;.; R_CO|
|00005bd0| 55 4e 54 20 2d 20 52 45 | 54 55 52 4e 53 20 4e 55 |UNT - RE|TURNS NU|
|00005be0| 4d 42 45 52 20 4f 46 20 | 42 59 54 45 53 20 49 4e |MBER OF |BYTES IN|
|00005bf0| 20 54 48 45 20 52 45 43 | 45 49 56 45 20 42 55 46 | THE REC|EIVE BUF|
|00005c00| 46 45 52 20 49 4e 20 41 | 58 0a 3b 20 20 20 20 20 |FER IN A|X.;     |
|00005c10| 20 20 20 20 20 20 20 20 | 74 6f 74 61 6c 20 69 6e |        |total in|
|00005c20| 20 44 58 0a 3b 0a 5f 72 | 5f 63 6f 75 6e 74 09 50 | DX.;._r|_count.P|
|00005c30| 52 4f 43 20 46 41 52 0a | 09 70 75 73 68 20 62 70 |ROC FAR.|.push bp|
|00005c40| 0a 09 6d 6f 76 20 62 70 | 2c 73 70 0a 09 70 75 73 |..mov bp|,sp..pus|
|00005c50| 68 20 73 69 0a 09 50 55 | 53 48 46 09 09 09 3b 20 |h si..PU|SHF...; |
|00005c60| 53 41 56 45 20 46 4c 41 | 47 53 0a 09 50 55 53 48 |SAVE FLA|GS..PUSH|
|00005c70| 09 53 49 09 09 3b 20 53 | 41 56 45 20 53 49 0a 09 |.SI..; S|AVE SI..|
|00005c80| 4d 4f 56 09 53 49 2c 43 | 55 52 52 45 4e 54 5f 41 |MOV.SI,C|URRENT_A|
|00005c90| 52 45 41 09 3b 20 53 49 | 20 50 4f 49 4e 54 53 20 |REA.; SI| POINTS |
|00005ca0| 54 4f 20 44 41 54 41 20 | 41 52 45 41 0a 09 4d 4f |TO DATA |AREA..MO|
|00005cb0| 56 09 41 58 2c 30 09 09 | 3b 20 4e 4f 54 48 49 4e |V.AX,0..|; NOTHIN|
|00005cc0| 47 20 52 45 43 45 49 56 | 45 44 20 49 46 20 4e 4f |G RECEIV|ED IF NO|
|00005cd0| 54 20 49 4e 53 54 41 4c | 4c 45 44 0a 09 6d 6f 76 |T INSTAL|LED..mov|
|00005ce0| 20 64 78 2c 52 5f 53 49 | 5a 45 0a 20 0a 09 54 45 | dx,R_SI|ZE. ..TE|
|00005cf0| 53 54 09 49 4e 53 54 41 | 4c 4c 45 44 5b 53 49 5d |ST.INSTA|LLED[SI]|
|00005d00| 2c 31 09 3b 20 50 4f 52 | 54 20 49 4e 53 54 41 4c |,1.; POR|T INSTAL|
|00005d10| 4c 45 44 3f 0a 09 4a 5a | 09 52 43 58 09 09 3b 20 |LED?..JZ|.RCX..; |
|00005d20| 41 42 4f 52 54 20 49 46 | 20 4e 4f 54 0a 20 0a 20 |ABORT IF| NOT. . |
|00005d30| 20 20 20 20 20 20 20 4d | 4f 56 20 20 20 20 20 41 |       M|OV     A|
|00005d40| 58 2c 53 49 5a 45 5f 52 | 44 41 54 41 5b 53 49 5d |X,SIZE_R|DATA[SI]|
|00005d50| 20 3b 20 47 45 54 20 4e | 55 4d 42 45 52 20 4f 46 | ; GET N|UMBER OF|
|00005d60| 20 42 59 54 45 53 20 55 | 53 45 44 0a 52 43 58 3a | BYTES U|SED.RCX:|
|00005d70| 09 50 4f 50 09 53 49 09 | 09 3b 20 52 45 53 54 4f |.POP.SI.|.; RESTO|
|00005d80| 52 45 20 53 49 0a 09 50 | 4f 50 46 09 09 09 3b 20 |RE SI..P|OPF...; |
|00005d90| 52 45 53 54 4f 52 45 20 | 46 4c 41 47 53 0a 09 70 |RESTORE |FLAGS..p|
|00005da0| 6f 70 20 73 69 0a 09 6d | 6f 76 20 73 70 2c 62 70 |op si..m|ov sp,bp|
|00005db0| 0a 09 70 6f 70 20 62 70 | 0a 09 52 45 54 0a 5f 72 |..pop bp|..RET._r|
|00005dc0| 5f 63 6f 75 6e 74 09 45 | 4e 44 50 0a 09 50 41 47 |_count.E|NDP..PAG|
|00005dd0| 45 0a 3b 0a 3b 20 52 45 | 43 45 49 56 45 20 2d 20 |E.;.; RE|CEIVE - |
|00005de0| 52 45 54 55 52 4e 53 20 | 54 48 45 20 4e 45 58 54 |RETURNS |THE NEXT|
|00005df0| 20 43 48 41 52 41 43 54 | 45 52 20 46 52 4f 4d 20 | CHARACT|ER FROM |
|00005e00| 54 48 45 20 52 45 43 45 | 49 56 45 20 42 55 46 46 |THE RECE|IVE BUFF|
|00005e10| 45 52 20 49 4e 20 41 4c | 0a 3b 20 20 20 20 20 20 |ER IN AL|.;      |
|00005e20| 20 20 20 20 20 20 41 4e | 44 20 52 45 4d 4f 56 45 |      AN|D REMOVE|
|00005e30| 53 20 49 54 20 46 52 4f | 4d 20 54 48 45 20 42 55 |S IT FRO|M THE BU|
|00005e40| 46 46 45 52 0a 3b 20 20 | 20 20 20 20 20 20 20 20 |FFER.;  |        |
|00005e50| 20 20 54 48 45 20 50 41 | 52 49 54 59 20 42 49 54 |  THE PA|RITY BIT|
|00005e60| 20 49 53 20 53 54 52 49 | 50 50 45 44 20 4f 46 46 | IS STRI|PPED OFF|
|00005e70| 0a 3b 0a 5f 72 65 63 65 | 69 76 65 5f 63 6f 6d 09 |.;._rece|ive_com.|
|00005e80| 50 52 4f 43 20 46 41 52 | 0a 09 70 75 73 68 20 62 |PROC FAR|..push b|
|00005e90| 70 0a 09 6d 6f 76 20 62 | 70 2c 73 70 0a 09 70 75 |p..mov b|p,sp..pu|
|00005ea0| 73 68 20 73 69 0a 09 50 | 55 53 48 46 09 09 09 09 |sh si..P|USHF....|
|00005eb0| 3b 20 53 41 56 45 20 46 | 4c 41 47 53 0a 09 50 55 |; SAVE F|LAGS..PU|
|00005ec0| 53 48 09 42 58 09 09 09 | 3b 20 53 41 56 45 20 52 |SH.BX...|; SAVE R|
|00005ed0| 45 47 53 0a 09 50 55 53 | 48 09 53 49 0a 09 4d 4f |EGS..PUS|H.SI..MO|
|00005ee0| 56 09 53 49 2c 43 55 52 | 52 45 4e 54 5f 41 52 45 |V.SI,CUR|RENT_ARE|
|00005ef0| 41 09 09 3b 20 53 49 20 | 50 4f 49 4e 54 53 20 54 |A..; SI |POINTS T|
|00005f00| 4f 20 44 41 54 41 20 41 | 52 45 41 0a 09 6d 6f 76 |O DATA A|REA..mov|
|00005f10| 09 61 78 2c 2d 31 20 3b | 20 2d 31 20 69 66 20 62 |.ax,-1 ;| -1 if b|
|00005f20| 61 64 20 63 61 6c 6c 0a | 09 54 45 53 54 09 49 4e |ad call.|.TEST.IN|
|00005f30| 53 54 41 4c 4c 45 44 5b | 53 49 5d 2c 31 09 09 3b |STALLED[|SI],1..;|
|00005f40| 20 50 4f 52 54 20 49 4e | 53 54 41 4c 4c 45 44 3f | PORT IN|STALLED?|
|00005f50| 0a 09 4a 5a 09 52 43 56 | 58 09 09 09 3b 20 41 42 |..JZ.RCV|X...; AB|
|00005f60| 4f 52 54 20 49 46 20 4e | 4f 54 0a 09 43 4d 50 09 |ORT IF N|OT..CMP.|
|00005f70| 53 49 5a 45 5f 52 44 41 | 54 41 5b 53 49 5d 2c 30 |SIZE_RDA|TA[SI],0|
|00005f80| 09 3b 20 41 4e 59 20 43 | 48 41 52 41 43 54 45 52 |.; ANY C|HARACTER|
|00005f90| 53 3f 0a 09 4a 45 09 52 | 43 56 58 09 09 09 3b 20 |S?..JE.R|CVX...; |
|00005fa0| 41 42 4f 52 54 20 49 46 | 20 4e 4f 54 0a 20 0a 3b |ABORT IF| NOT. .;|
|00005fb0| 20 47 4f 4f 44 20 43 41 | 4c 4c 0a 09 6d 6f 76 20 | GOOD CA|LL..mov |
|00005fc0| 61 68 2c 30 09 3b 20 67 | 6f 6f 64 20 63 61 6c 6c |ah,0.; g|ood call|
|00005fd0| 0a 20 20 20 20 20 20 20 | 20 4d 4f 56 20 20 20 20 |.       | MOV    |
|00005fe0| 20 42 58 2c 53 54 41 52 | 54 5f 52 44 41 54 41 5b | BX,STAR|T_RDATA[|
|00005ff0| 53 49 5d 09 3b 20 47 45 | 54 20 50 4f 49 4e 54 45 |SI].; GE|T POINTE|
|00006000| 52 20 54 4f 20 4f 4c 44 | 45 53 54 20 43 48 41 52 |R TO OLD|EST CHAR|
|00006010| 0a 20 20 20 20 20 20 20 | 20 4d 4f 56 20 20 20 20 |.       | MOV    |
|00006020| 20 41 4c 2c 52 44 41 54 | 41 5b 53 49 5d 5b 42 58 | AL,RDAT|A[SI][BX|
|00006030| 5d 09 3b 20 47 45 54 20 | 43 48 41 52 20 46 52 4f |].; GET |CHAR FRO|
|00006040| 4d 20 42 55 46 46 45 52 | 0a 3b 20 4d 4f 44 20 42 |M BUFFER|.; MOD B|
|00006050| 59 20 4c 42 41 2c 20 31 | 30 2f 36 2f 38 35 20 46 |Y LBA, 1|0/6/85 F|
|00006060| 4f 52 20 50 52 4f 50 45 | 52 20 53 55 50 50 4f 52 |OR PROPE|R SUPPOR|
|00006070| 54 20 4f 46 20 4e 4f 20 | 50 41 52 49 54 59 20 43 |T OF NO |PARITY C|
|00006080| 4f 4d 4d 55 4e 49 43 41 | 54 49 4f 4e 53 0a 09 43 |OMMUNICA|TIONS..C|
|00006090| 4d 50 09 50 41 52 49 54 | 59 5b 53 49 5d 2c 27 4e |MP.PARIT|Y[SI],'N|
|000060a0| 27 09 09 3b 20 41 52 45 | 20 57 45 20 52 55 4e 4e |'..; ARE| WE RUNN|
|000060b0| 49 4e 47 20 57 49 54 48 | 20 4e 4f 20 50 41 52 49 |ING WITH| NO PARI|
|000060c0| 54 59 3f 0a 09 4a 45 09 | 4c 31 31 09 09 09 3b 20 |TY?..JE.|L11...; |
|000060d0| 49 46 20 53 4f 2c 20 44 | 4f 4e 27 54 20 53 54 52 |IF SO, D|ON'T STR|
|000060e0| 49 50 20 48 49 47 48 20 | 42 49 54 0a 3b 20 45 4e |IP HIGH |BIT.; EN|
|000060f0| 44 20 4f 46 20 4d 4f 44 | 0a 09 41 4e 44 09 41 4c |D OF MOD|..AND.AL|
|00006100| 2c 37 46 48 09 09 09 3b | 20 53 54 52 49 50 20 50 |,7FH...;| STRIP P|
|00006110| 41 52 49 54 59 20 42 49 | 54 0a 4c 31 31 3a 09 49 |ARITY BI|T.L11:.I|
|00006120| 4e 43 20 20 20 20 20 42 | 58 20 20 20 20 20 20 20 |NC     B|X       |
|00006130| 20 20 20 20 20 20 20 09 | 3b 20 42 55 4d 50 20 53 |       .|; BUMP S|
|00006140| 54 41 52 54 5f 52 44 41 | 54 41 0a 20 20 20 20 20 |TART_RDA|TA.     |
|00006150| 20 20 20 43 4d 50 20 20 | 20 20 20 42 58 2c 52 5f |   CMP  |   BX,R_|
|00006160| 53 49 5a 45 09 09 3b 20 | 53 45 45 20 49 46 20 50 |SIZE..; |SEE IF P|
|00006170| 41 53 54 20 45 4e 44 0a | 20 20 20 20 20 20 20 20 |AST END.|        |
|00006180| 4a 42 20 20 20 20 20 20 | 4c 31 32 20 20 20 20 20 |JB      |L12     |
|00006190| 20 20 20 20 20 20 20 20 | 09 3b 20 49 46 20 4e 4f |        |.; IF NO|
|000061a0| 54 20 54 48 45 4e 20 53 | 4b 49 50 0a 20 20 20 20 |T THEN S|KIP.    |
|000061b0| 20 20 20 20 4d 4f 56 09 | 42 58 2c 30 09 09 09 3b |    MOV.|BX,0...;|
|000061c0| 20 41 44 4a 55 53 54 20 | 54 4f 20 42 45 47 49 4e | ADJUST |TO BEGIN|
|000061d0| 4e 49 4e 47 0a 4c 31 32 | 3a 20 20 20 20 4d 4f 56 |NING.L12|:    MOV|
|000061e0| 20 20 20 20 20 53 54 41 | 52 54 5f 52 44 41 54 41 |     STA|RT_RDATA|
|000061f0| 5b 53 49 5d 2c 42 58 09 | 3b 20 53 41 56 45 20 54 |[SI],BX.|; SAVE T|
|00006200| 48 45 20 4e 45 57 20 53 | 54 41 52 54 5f 52 44 41 |HE NEW S|TART_RDA|
|00006210| 54 41 20 56 41 4c 55 45 | 0a 20 20 20 20 20 20 20 |TA VALUE|.       |
|00006220| 20 44 45 43 20 20 20 20 | 20 53 49 5a 45 5f 52 44 | DEC    | SIZE_RD|
|00006230| 41 54 41 5b 53 49 5d 09 | 09 3b 20 4f 4e 45 20 4c |ATA[SI].|.; ONE L|
|00006240| 45 53 53 20 43 48 41 52 | 41 43 54 45 52 0a 09 43 |ESS CHAR|ACTER..C|
|00006250| 4d 50 09 58 4f 4e 5f 58 | 4f 46 46 5b 53 49 5d 2c |MP.XON_X|OFF[SI],|
|00006260| 27 45 27 09 3b 20 46 4c | 4f 57 20 43 4f 4e 54 52 |'E'.; FL|OW CONTR|
|00006270| 4f 4c 20 45 4e 41 42 4c | 45 44 3f 0a 09 4a 4e 45 |OL ENABL|ED?..JNE|
|00006280| 09 52 43 56 58 09 09 09 | 3b 20 44 4f 20 4e 4f 54 |.RCVX...|; DO NOT|
|00006290| 48 49 4e 47 20 49 46 20 | 44 49 53 41 42 4c 45 44 |HING IF |DISABLED|
|000062a0| 0a 09 43 4d 50 09 48 4f | 53 54 5f 4f 46 46 5b 53 |..CMP.HO|ST_OFF[S|
|000062b0| 49 5d 2c 31 09 09 3b 20 | 48 4f 53 54 20 54 55 52 |I],1..; |HOST TUR|
|000062c0| 4e 45 44 20 4f 46 46 3f | 0a 09 4a 4e 45 09 52 43 |NED OFF?|..JNE.RC|
|000062d0| 56 58 09 09 09 3b 20 4a | 55 4d 50 20 49 46 20 4e |VX...; J|UMP IF N|
|000062e0| 4f 54 0a 09 43 4d 50 09 | 53 49 5a 45 5f 52 44 41 |OT..CMP.|SIZE_RDA|
|000062f0| 54 41 5b 53 49 5d 2c 52 | 5f 53 49 5a 45 2f 32 30 |TA[SI],R|_SIZE/20|
|00006300| 20 3b 20 52 45 43 45 49 | 56 45 20 42 55 46 46 45 | ; RECEI|VE BUFFE|
|00006310| 52 20 4e 45 41 52 4c 59 | 20 45 4d 50 54 59 3f 0a |R NEARLY| EMPTY?.|
|00006320| 09 4a 47 45 09 52 43 56 | 58 09 09 09 3b 20 44 4f |.JGE.RCV|X...; DO|
|00006330| 4e 45 20 49 46 20 4e 4f | 54 0a 09 4d 4f 56 09 48 |NE IF NO|T..MOV.H|
|00006340| 4f 53 54 5f 4f 46 46 5b | 53 49 5d 2c 30 09 09 3b |OST_OFF[|SI],0..;|
|00006350| 20 54 55 52 4e 20 4f 4e | 20 48 4f 53 54 20 49 46 | TURN ON| HOST IF|
|00006360| 20 53 4f 0a 09 50 55 53 | 48 09 41 58 09 09 09 3b | SO..PUS|H.AX...;|
|00006370| 20 53 41 56 45 20 52 45 | 43 45 49 56 45 44 20 43 | SAVE RE|CEIVED C|
|00006380| 48 41 52 0a 09 4d 4f 56 | 09 41 4c 2c 43 4f 4e 54 |HAR..MOV|.AL,CONT|
|00006390| 52 4f 4c 5f 51 09 09 3b | 20 54 45 4c 4c 20 48 49 |ROL_Q..;| TELL HI|
|000063a0| 4d 20 54 4f 20 54 41 4c | 4b 0a 09 43 4c 49 09 09 |M TO TAL|K..CLI..|
|000063b0| 09 09 3b 20 54 55 52 4e | 20 4f 46 46 20 49 4e 54 |..; TURN| OFF INT|
|000063c0| 45 52 52 55 50 54 53 0a | 09 43 41 4c 4c 09 53 45 |ERRUPTS.|.CALL.SE|
|000063d0| 4e 44 49 49 09 09 09 3b | 20 53 45 4e 44 20 49 4d |NDII...;| SEND IM|
|000063e0| 4d 45 44 49 41 54 45 4c | 59 20 49 4e 54 45 52 4e |MEDIATEL|Y INTERN|
|000063f0| 41 4c 0a 09 53 54 49 09 | 09 09 09 3b 20 49 4e 54 |AL..STI.|...; INT|
+--------+-------------------------+-------------------------+--------+--------+