Dec 052017
 
Patches for DD, includes patch for DOS 3.3.
File DDFIX.ZIP from The Programmer’s Corner in
Category Alternate Operating Systems
Patches for DD, includes patch for DOS 3.3.
File Name File Size Zip Size Zip Type
ATT6300.COM 186 107 deflated
COM1BOT.COM 54 54 stored
DBLDANSI.SYS 1698 1136 deflated
DDBREAK.COM 256 220 deflated
DDBUGS.DOC 1744 628 deflated
DESKLOAD.COM 657 361 deflated
FIXES.DOC 2312 1098 deflated
KEYFIX.COM 54 54 stored
NONEGA.COM 199 120 deflated
SKLOAD.COM 721 426 deflated
TPCREAD.ME 199 165 deflated

Download File DDFIX.ZIP Here

Contents of the DDBUGS.DOC file


The following are the known patches for DOUBLEDOS version 4.0. You should
always work with a copy of the file and not the original. The DEBUG program
should be available via path or be called explicitly. The patch dialog
would be something like the following:

C:\dirname\>DEBUG DOUBLED2.PGM
- enter changes as specified in patch
-W
writing xxxx bytes
-Q

--------------------------------------------------------------------------
Hewlett Packard Vectra 1/14/87
-E 85D5 F5 (old value BA)
note: will not work with International Quartz laptop after this patch.
--------------------------------------------------------------------------
very slow printing w/clock or interrupt
-E 116 EA 83 (old values 6E B0)
-E 24A9 21 90 ( " " E8 BD)
note: only use with clock or interrupt when very slow printing occurs.
--------------------------------------------------------------------------
IBM DOS 3.3 4/24/87
-E 2130 20 (old value 10)
-E 878C C0 A1 ( " " 41 81)
-E 8B7D 03 50 ( " " 6C 4C)
-E 9487 7F FF B7 6E 20 80 C2
( " " A7 E0 C5 32 0B 33 FF)
note: will not work with any other operating system after this patch.
-------------------------------------------------------------------------
Columbia DOS 3.20
-E 8B7D CE (old value 6C)
note: will not work with any other operating system after this patch.
-------------------------------------------------------------------------
Drives with volumes larger than 32 megabytes
-E 4E3A 5F B8 (old value )
-------------------------------------------------------------------------


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