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Updated MS-DOS source build disk
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jeffpar committed Aug 17, 2019
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12 changes: 6 additions & 6 deletions _posts/2018-11-21-building-ms-dos-2x-source-files.md
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---
layout: post
title: Building MS-DOS 2.x Source Files
title: Building MS-DOS Source Files
date: 2018-11-21 10:00:00
permalink: /blog/2018/11/21/
preview: https://demo-disks.pcjs.org/pcx86/dos/microsoft/2.00/MSDOS200-DISKS.jpg
machines:
- id: ibm5160
type: pcx86
config: /devices/pcx86/machine/5160/cga/512kb/machine.xml
drives: '[{name:"PC-DOS 2.00 w/Tools (10Mb)",type:3,path:"/disks-demo/pcx86/drives/10mb/PCDOS200-C400.json"},{name:"MS-DOS 2.x Source (10Mb)",type:3,path:"/disks-demo/pcx86/dos/microsoft/2.00/MSDOS2X-SRC.json"}]'
drives: '[{name:"PC-DOS 2.00 w/Tools (10Mb)",type:3,path:"/disks-demo/pcx86/drives/10mb/PCDOS200-C400.json"},{name:"MS-DOS 1.x/2.x Source (10Mb)",type:3,path:"/disks-demo/pcx86/dos/microsoft/2.00/MSDOS-SRC.json"}]'
autoMount:
A:
name: None
Expand All @@ -17,11 +17,11 @@ machines:
autoType: $date\r$time\rD:\r
---

The [PCjs Disk Library](/disks/pcx86/) now includes a snapshot of the [MS-DOS 2.x Source Files](/disks/pcx86/dos/microsoft/2.00/)
The [PCjs Disk Library](/disks/pcx86/) now includes a snapshot of the [MS-DOS 1.x/2.x Source Files](/disks/pcx86/dos/microsoft/2.00/)
from Microsoft's [September 28, 2018 re-release](https://blogs.msdn.microsoft.com/commandline/2018/09/28/re-open-sourcing-ms-dos-1-25-and-2-0/)
of MS-DOS source files on [GitHub](https://github.com/microsoft/ms-dos), along with a
[pre-configured machine](/disks/pcx86/dos/microsoft/2.00/#ms-dos-2x-build-machine) ready to build the MS-DOS 2.x sources.
A similar machine (without the PCjs debugger) is provided [below](https://www.pcjs.org/blog/2018/11/21/#ms-dos-2x-build-machine).
[pre-configured machine](/disks/pcx86/dos/microsoft/2.00/#ms-dos-source-build-machine) ready to build the MS-DOS 2.x sources.
A similar machine (without the PCjs debugger) is provided [below](https://www.pcjs.org/blog/2018/11/21/#ms-dos-source-build-machine).

Attempting to build the sources raises several questions, including:

Expand Down Expand Up @@ -188,7 +188,7 @@ The "pre-selected" messages help you catch any build discrepancies due to these
Other files have been modified as well, but only to eliminate extraneous characters (eg, multiple EOF characters)
that caused warnings or errors during the build process.

### MS-DOS 2.x Build Machine
### MS-DOS Source Build Machine

A quick note about speed: the typical PC in the early 1980s was still a 4.77Mhz 8088-based machine, so it took
a considerable amount of time to assemble all the MS-DOS 2.x sources. If you're impatient, you can load the machine
Expand Down
2 changes: 1 addition & 1 deletion disks-demo
Submodule disks-demo updated from 7932ae to fbc785
78 changes: 49 additions & 29 deletions disks/pcx86/dos/microsoft/2.00/README.md
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Expand Up @@ -6,7 +6,7 @@ machines:
- id: ibm5160
type: pcx86
config: /devices/pcx86/machine/5160/cga/512kb/debugger/machine.xml
drives: '[{name:"PC-DOS 2.00 w/Tools (10Mb)",type:3,path:"/disks-demo/pcx86/drives/10mb/PCDOS200-C400.json"},{name:"MS-DOS 2.x Source (10Mb)",type:3,path:"/disks-demo/pcx86/dos/microsoft/2.00/MSDOS2X-SRC.json"}]'
drives: '[{name:"PC-DOS 2.00 w/Tools (10Mb)",type:3,path:"/disks-demo/pcx86/drives/10mb/PCDOS200-C400.json"},{name:"MS-DOS 2.x Source (10Mb)",type:3,path:"/disks-demo/pcx86/dos/microsoft/2.00/MSDOS-SRC.json"}]'
autoMount:
A:
name: None
Expand Down Expand Up @@ -46,6 +46,8 @@ Finally, it isn't entirely correct to describe these files as the source code fo
from a much later snapshot of source code, used to build MS-DOS 2.11, so at best, the collection should be referred to as
"MS-DOS 2.x".

---

**2018 UPDATE**: On September 28, 2018, Microsoft
[re-released](https://blogs.msdn.microsoft.com/commandline/2018/09/28/re-open-sourcing-ms-dos-1-25-and-2-0/)
the MS-DOS 1.x and 2.x source files on [GitHub](https://github.com/microsoft/ms-dos). The files are identical to the
Expand All @@ -57,6 +59,8 @@ Microsoft's sole improvement of the 2018 re-release was to quietly relax restric
by releasing it under an [MIT License](https://en.wikipedia.org/wiki/MIT_License), instead of the older and much more restrictive
[Microsoft Research License Agreement](http://www.computerhistory.org/atchm/microsoft-research-license-agreement-msdos-v1-1-v2-0/).

---

**2019 UPDATE**: Earlier this year, a PCjs user emailed me a list of the contents of Microsoft's five MS-DOS 2.00 OEM distribution
disks (pictured above). Based on that limited information, I was able to recreate the 5 disks and add them to the PCjs Disk Library.
Directory listings are provided [below](#directory-of-ms-dos-200-oem-disk-1).
Expand Down Expand Up @@ -86,6 +90,45 @@ for archivists.
I have attempted to correct all the timestamps on the five disks below. Whether the rest of the (2.11) files in CHM's original
archive suffer from similar timestamp alterations is hard to say without more information.

---

### Excerpt from README.DOC (Disk 1)

The software/documentation on the five inch diskettes is arranged
as follows:

1. DOS distribution diskette. This diskette contains files which
should be distriibuted to all users. This allows the DOS distri-
bution diskette to meet the requirements of users of high level
language compilers as well as users running only applications.
Many compilers marketed independently through the retail channel
(including those of Microsoft) assume LINK comes with the DOS, as
in the case of IBM. How you choose to distrubute BASIC (contracted
for separately) is up to you.

2. Assembly Language Development System diskette. This diskette
contains files of interest to assembly language programmers.
High level language programmers do not need these programs unless
they are writing assembly language subroutines. IBM chose to
unbundle this package from the DOS distribution diskette (except
for DEBUG), but you do not have to do so.

3. PRINT and FORMAT diskette. This diskette contains .ASM source
files which are necessary to assemble the print spooler, which you
may wish to customize for greater performance. .OBJ files are also
included for the FORMAT utility.

4. Skeltal BIOS and documentation diskette. This diskette contains
the skeltal BIOS source code and the SYSINIT and SYSIMES object
modules which must be linked with your BIOS module. The proper
sequence for linking is BIOS - SYSINIT - SYSIMES.
A profiler utiliity is also included on the diskette, but this
is not intended for end-users. This is distributed for use by
your development staff only and is not supported by Microsoft
If you do decide to distribute it, it is at your own risk!

5. Documentation. Features of 2.0 are documented on this disk.

### Directory of MS-DOS 2.00 OEM (Disk 1)

Volume in drive A has no label
Expand Down Expand Up @@ -173,12 +216,11 @@ archive suffer from similar timestamp alterations is hard to say without more in

For the machine below, a 10Mb hard disk image was created with all the MS-DOS 2.x sources:

diskdump --dir=src --format=json --output=MSDOS2X-SRC.json --label=MSDOS2X --size=10000 --normalize --overwrite
diskdump --dir=src --format=json --output=MSDOS-SRC.json --label=MSDOSSRC --size=10000 --normalize --overwrite

The source files were copied from the CHM release, only because they had preserved the original file timestamps:

11648 Aug 18 14:26:36 1983 ALLOC.ASM
6784 Jan 27 14:31:32 1983 ANSI.TXT
14716 Aug 19 11:53:04 1983 BUF.ASM
26880 Aug 18 16:10:38 1983 CHKDSK.ASM
14080 Aug 18 16:14:44 1983 CHKMES.ASM
Expand All @@ -188,7 +230,6 @@ The source files were copied from the CHM release, only because they had preserv
23936 Aug 18 14:59:06 1983 COMMAND.ASM
782 Aug 25 15:04:08 1983 COMSEG.ASM
512 Dec 31 23:13:10 1979 COMSW.ASM
3456 Jan 27 14:35:06 1983 CONFIG.TXT
20480 Aug 18 15:14:20 1983 COPY.ASM
18304 Aug 18 15:15:16 1983 COPYPROC.ASM
9472 Aug 18 15:15:56 1983 CPARSE.ASM
Expand All @@ -203,20 +244,17 @@ The source files were copied from the CHM release, only because they had preserv
21888 Aug 18 16:05:14 1983 DEBUASM.ASM
22016 Aug 18 15:56:58 1983 DEBUG.ASM
12032 Aug 18 14:27:22 1983 DEV.ASM
37888 Jan 27 14:22:46 1983 DEVDRIV.TXT
2688 Oct 18 12:07:22 1982 DEVSYM.ASM
29568 Aug 18 14:28:48 1983 DIR.ASM
14592 Aug 18 14:25:40 1983 DIRCALL.ASM
38016 Aug 18 14:30:38 1983 DISK.ASM
6656 Dec 31 23:51:48 1979 DISKCOPY.ASM
7808 Dec 31 23:52:38 1979 DISKMES.ASM
141 Aug 25 16:46:20 1983 DOSLINK
4395 Sep 12 10:41:22 1983 DOSMAC.211
6656 Oct 18 12:06:50 1982 DOSMAC.ASM
4395 Sep 12 10:41:22 1983 DOSMAC.ASM
14098 Sep 28 14:41:50 1983 DOSMES.ASM
357 Aug 25 15:04:22 1983 DOSSEG.ASM
44887 Aug 25 15:05:44 1983 DOSSYM.211
42112 Dec 31 23:07:56 1979 DOSSYM.ASM
44887 Aug 25 15:05:44 1983 DOSSYM.ASM
56960 Jan 1 01:08:10 1980 EDLIN.ASM
3200 Aug 18 16:21:46 1983 EDLMES.ASM
13190 Sep 22 23:03:32 1983 EDLPROC.ASM
Expand All @@ -230,15 +268,11 @@ The source files were copied from the CHM release, only because they had preserv
39168 Dec 31 23:28:36 1979 FIND.ASM
1408 Dec 31 23:29:22 1979 FINDMES.ASM
46720 Jan 1 13:48:16 1980 FORMAT.ASM
16640 Feb 3 14:37:24 1983 FORMAT.TXT
4529 Sep 22 22:00:04 1983 FORMES.ASM
4096 Feb 3 13:45:06 1983 GENFOR.ASM
18048 Aug 18 14:14:38 1983 GETSET.ASM
17536 Dec 31 23:15:46 1979 HRDDRV.ASM
303 Aug 25 15:06:00 1983 IFEQU.ASM
2688 Jan 27 14:42:28 1983 INCOMP.TXT
24832 Aug 18 15:01:24 1983 INIT.ASM
4224 Jan 27 14:30:34 1983 INT24.TXT
18304 Aug 18 14:13:16 1983 MISC.ASM
3712 Jan 1 01:39:20 1980 MORE.ASM
313 Sep 22 21:23:54 1983 MOREMES.ASM
Expand All @@ -247,21 +281,13 @@ The source files were copied from the CHM release, only because they had preserv
176 Jan 3 04:18:14 1980 MSDOS.ASM
9216 Dec 31 23:10:14 1979 MSHEAD.ASM
13568 Dec 31 23:24:52 1979 MSINIT.ASM
3200 Oct 28 17:32:12 1982 PCLOCK.ASM
48000 Jan 1 01:42:56 1980 PRINT.211
48000 Feb 1 11:37:30 1983 PRINT.ASM
48000 Jan 1 01:42:56 1980 PRINT.ASM
3222 Aug 19 11:55:22 1983 PROC.ASM
21248 Oct 28 17:31:38 1982 PROFIL.ASM
3968 Jan 27 14:34:16 1983 PROFILE.TXT
1536 Jan 28 17:06:32 1983 PROHST.HLP
3456 Jan 27 14:39:32 1983 QUICK.TXT
6784 Aug 18 15:00:18 1983 RDATA.ASM
8832 Dec 31 23:03:22 1979 README.TXT
5760 Dec 31 23:39:06 1979 RECMES.ASM
23808 Jan 1 02:01:58 1980 RECOVER.ASM
14336 Aug 18 14:32:20 1983 ROM.ASM
6912 Aug 18 14:59:40 1983 RUCODE.ASM
45056 Dec 31 23:05:08 1979 SKELIO.ASM
17099 Sep 22 22:27:04 1983 SORT.ASM
2688 Jan 1 02:07:50 1980 SORTMES.ASM
256 Aug 18 14:32:46 1983 STDBUF.ASM
Expand All @@ -274,10 +300,8 @@ The source files were copied from the CHM release, only because they had preserv
9726 Aug 19 11:54:24 1983 STRIN.ASM
22784 Sep 22 21:29:40 1983 SYS.ASM
21220 Jan 3 05:26:22 1980 SYSCALL.ASM
59136 Jan 27 14:18:18 1983 SYSCALL.TXT
512 Dec 31 23:44:22 1979 SYSIMES.ASM
37644 Oct 12 21:24:26 1983 SYSINIT.ASM
3072 Jan 27 14:40:24 1983 SYSINIT.TXT
1206 Sep 22 21:52:50 1983 SYSMES.ASM
33664 Sep 8 01:48:06 1983 TCODE.ASM
13568 Aug 18 15:05:08 1983 TCODE2.ASM
Expand All @@ -289,7 +313,6 @@ The source files were copied from the CHM release, only because they had preserv
4480 Aug 18 15:17:42 1983 TSPC.ASM
7808 Aug 18 15:13:22 1983 TUCODE.ASM
896 Dec 31 23:03:04 1979 UINIT.ASM
27776 Jan 27 14:26:10 1983 UTILITY.TXT
25984 Jan 3 05:57:14 1980 XENIX.ASM
17792 Aug 18 14:51:18 1983 XENIX2.ASM

Expand All @@ -304,8 +327,6 @@ are for MS-DOS 2.11 as well.
- [COMMAND](https://github.com/jeffpar/pcjs-demo-disks/tree/master/pcx86/dos/microsoft/2.00/src/COMMAND)
- [DEBUG](https://github.com/jeffpar/pcjs-demo-disks/tree/master/pcx86/dos/microsoft/2.00/src/DEBUG)
- [DISKCOPY](https://github.com/jeffpar/pcjs-demo-disks/tree/master/pcx86/dos/microsoft/2.00/src/DISKCOPY)
- [DOCS](https://github.com/jeffpar/pcjs-demo-disks/tree/master/pcx86/dos/microsoft/2.00/src/DOCS)
- [DRIVERS](https://github.com/jeffpar/pcjs-demo-disks/tree/master/pcx86/dos/microsoft/2.00/src/DRIVERS)
- [EDLIN](https://github.com/jeffpar/pcjs-demo-disks/tree/master/pcx86/dos/microsoft/2.00/src/EDLIN)
- [EXE2BIN](https://github.com/jeffpar/pcjs-demo-disks/tree/master/pcx86/dos/microsoft/2.00/src/EXE2BIN)
- [FC](https://github.com/jeffpar/pcjs-demo-disks/tree/master/pcx86/dos/microsoft/2.00/src/FC)
Expand All @@ -316,7 +337,6 @@ are for MS-DOS 2.11 as well.
- [MORE](https://github.com/jeffpar/pcjs-demo-disks/tree/master/pcx86/dos/microsoft/2.00/src/MORE)
- [MSDOS](https://github.com/jeffpar/pcjs-demo-disks/tree/master/pcx86/dos/microsoft/2.00/src/MSDOS)
- [PRINT](https://github.com/jeffpar/pcjs-demo-disks/tree/master/pcx86/dos/microsoft/2.00/src/PRINT)
- [PROFIL](https://github.com/jeffpar/pcjs-demo-disks/tree/master/pcx86/dos/microsoft/2.00/src/PROFIL)
- [RECOVER](https://github.com/jeffpar/pcjs-demo-disks/tree/master/pcx86/dos/microsoft/2.00/src/RECOVER)
- [SORT](https://github.com/jeffpar/pcjs-demo-disks/tree/master/pcx86/dos/microsoft/2.00/src/SORT)
- [SYS](https://github.com/jeffpar/pcjs-demo-disks/tree/master/pcx86/dos/microsoft/2.00/src/SYS)
Expand Down Expand Up @@ -372,7 +392,7 @@ However, it's rather buggy, so it almost certainly was *not* used. For that mat
of MS-DOS 2.11 represents a finished product or a work-in-progress. Sadly, no one at Microsoft seems interested in
finding or sharing the answers.

### MS-DOS 2.x Build Machine
### MS-DOS Source Build Machine

A quick note about speed: the typical PC in the early 1980s was still a 4.77Mhz 8088-based machine, so it took
a considerable amount of time to assemble all the MS-DOS 2.x sources. If you're impatient, you can load the machine
Expand Down
2 changes: 1 addition & 1 deletion disks/pcx86/tools/other/norton/3.00/README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -6,7 +6,7 @@ machines:
- id: ibm5160
type: pcx86
config: /devices/pcx86/machine/5160/cga/512kb/machine.xml
drives: '[{name:"PC-DOS 2.00 w/Tools (10Mb)",type:3,path:"/disks-demo/pcx86/drives/10mb/PCDOS200-C400.json"},{name:"MS-DOS 2.x Source (10Mb)",type:3,path:"/disks-demo/pcx86/dos/microsoft/2.00/MSDOS2X-SRC.json"}]'
drives: '[{name:"PC-DOS 2.00 w/Tools (10Mb)",type:3,path:"/disks-demo/pcx86/drives/10mb/PCDOS200-C400.json"},{name:"MS-DOS 2.x Source (10Mb)",type:3,path:"/disks-demo/pcx86/dos/microsoft/2.00/MSDOS-SRC.json"}]'
autoMount:
A:
name: None
Expand Down
2 changes: 1 addition & 1 deletion disks/pcx86/tools/other/norton/3.10/README.md
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Expand Up @@ -6,7 +6,7 @@ machines:
- id: ibm5160
type: pcx86
config: /devices/pcx86/machine/5160/cga/512kb/machine.xml
drives: '[{name:"PC-DOS 2.00 w/Tools (10Mb)",type:3,path:"/disks-demo/pcx86/drives/10mb/PCDOS200-C400.json"},{name:"MS-DOS 2.x Source (10Mb)",type:3,path:"/disks-demo/pcx86/dos/microsoft/2.00/MSDOS2X-SRC.json"}]'
drives: '[{name:"PC-DOS 2.00 w/Tools (10Mb)",type:3,path:"/disks-demo/pcx86/drives/10mb/PCDOS200-C400.json"},{name:"MS-DOS 2.x Source (10Mb)",type:3,path:"/disks-demo/pcx86/dos/microsoft/2.00/MSDOS-SRC.json"}]'
autoMount:
A:
name: None
Expand Down
2 changes: 1 addition & 1 deletion disks/pcx86/tools/other/norton/4.00/README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -6,7 +6,7 @@ machines:
- id: ibm5160
type: pcx86
config: /devices/pcx86/machine/5160/cga/512kb/machine.xml
drives: '[{name:"PC-DOS 2.00 w/Tools (10Mb)",type:3,path:"/disks-demo/pcx86/drives/10mb/PCDOS200-C400.json"},{name:"MS-DOS 2.x Source (10Mb)",type:3,path:"/disks-demo/pcx86/dos/microsoft/2.00/MSDOS2X-SRC.json"}]'
drives: '[{name:"PC-DOS 2.00 w/Tools (10Mb)",type:3,path:"/disks-demo/pcx86/drives/10mb/PCDOS200-C400.json"},{name:"MS-DOS 2.x Source (10Mb)",type:3,path:"/disks-demo/pcx86/dos/microsoft/2.00/MSDOS-SRC.json"}]'
autoMount:
A:
name: None
Expand Down
2 changes: 1 addition & 1 deletion disks/pcx86/tools/other/norton/4.00/advanced/README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -6,7 +6,7 @@ machines:
- id: ibm5160
type: pcx86
config: /devices/pcx86/machine/5160/cga/512kb/machine.xml
drives: '[{name:"PC-DOS 2.00 w/Tools (10Mb)",type:3,path:"/disks-demo/pcx86/drives/10mb/PCDOS200-C400.json"},{name:"MS-DOS 2.x Source (10Mb)",type:3,path:"/disks-demo/pcx86/dos/microsoft/2.00/MSDOS2X-SRC.json"}]'
drives: '[{name:"PC-DOS 2.00 w/Tools (10Mb)",type:3,path:"/disks-demo/pcx86/drives/10mb/PCDOS200-C400.json"},{name:"MS-DOS 2.x Source (10Mb)",type:3,path:"/disks-demo/pcx86/dos/microsoft/2.00/MSDOS-SRC.json"}]'
autoMount:
A:
name: None
Expand Down
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