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1986-10-23
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C 4.0 / Codeview Application Note October 20, 1986
Codeview Compatible Display Adapter Patch
Codeview Sperry/Corona Patch
Codeview/Int 1A Patch
-Codeview Compatible Display Adapter Patch
------------------------------------------------------------------------------
The purpose of this patch is to fix a problem that may appear when
running Codeview in window mode on certain IBM EGA compatible display
adapters. The major symptom of this problem is unusual colors for the
display when Codeview is started in window mode. If you are having
problems getting the correct colors using Codeview on a compatible
display adapter follow these steps to patch a BACKUP COPY of Codeview:
1) Put the Fixdisk that you received with this application note into the
A: drive.
2) Copy CV.EXE to the A: drive.
3) Make sure that DEBUG.EXE can be found on your path.
4) Move to the A: drive.
5) Run EGAFIX.BAT
After you have run EGAFIX.BAT you will have a modified CV.EXE on the Fixdisk
as well as a file CVOLD.EXE which is an unmodified version and should be
saved on a disk to be used as a backup.
If after applying this patch, your display does not display the correct colors
there are other hardware incompatibilities and it will be necessary for you
to run Codeview in sequential mode (/T).
-Codeview Sperry/Corona Patch
------------------------------------------------------------------------------
The purpose of this patch is to correct video hardware differences that
exist with certain Sperry computers when running Codeview in window mode.
******Use this patch only if the display of your Sperry computer blanks out
and the machine hangs when you invoke Codeview. It is not required for all
Sperry computers. If the display on your Sperry computer does not blank out
but your machine hangs, use the /M switch (disable the mouse) when you
invoke Codeview.
1) Put the Fixdisk that you received with this application note into the
A: drive.
2) Copy CV.EXE to the A: drive.
3) Make sure that DEBUG.EXE can be found on your path.
4) Move to the A: drive.
5) Run SPFIX.BAT
After you have run SPFIX.BAT you will have a modified CV.EXE on the Fixdisk
as well as a file CVOLD.EXE which is an unmodified version and should be
saved on a disk and used as a backup.
If after having applied this patch, you continue to get a blank screen and
the machine hangs, it will be necessary for you to run Codeview in
sequential mode (/T).
Codeview/Int 1A Patch
------------------------------------------------------------------------------
The purpose of this patch is to correct a problem that exists on machines
that do not support interrupt 1A (read the real time clock). Two machines
that do not support this are the HP 150 and Apricot XEN. A symptom of this
problem is Codeview hanging when invoking the Execute command from the Run
menu.
If you have an HP150 or an Apricot XEN and are experiencing problems carry
out these instructions:
1) Put the Fixdisk that you received with this application note into the
A: drive.
2) Copy CV.EXE to the A: drive.
3) Make sure that DEBUG.EXE can be found on your path.
4) Move to the A: drive.
3) Run INTFIX.BAT
After you have run INTFIX.BAT you will have a modified CV.EXE on the Fixdisk
as well as a file CVOLD.EXE which is an unmodified version and should be saved
on a disk and used as a backup.
After you perform this patch you will need to invoke CodeView as follows:
cv /D /M /T sieve.exe
This combination of switches tells Codeview to:
a) disable IBM specific instructions (/D)
b) disable the Apricot mouse which is not Microsoft mouse compatible (/M)
c) run in sequential (non IBM compatible) mode (/T).