Article View: comp.os.msdos.programmer
Article #4400Re: Video Modes..
From: ONG ENG TENG
Date: Mon, 28 Jan 1991 20:39
Date: Mon, 28 Jan 1991 20:39
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1459 bytes
From article <42952@nigel.ee.udel.edu>, by shearer@cis.udel.edu (Rob Shearer):
> The question is... how can i get MY program to put the VGA card into 80x50
> mode...?? I have looked at several different memory locations... I can
> have my program FIND the fact that it is 80x50 (I can even calculate the 50
> lines based on scan lines...).. BUT INT 10 function 0x0f informs me I am in
> mode 0x03.. (80x25..) no matter what I do (unless I go to 132x43 mode).
>
> So, evidentatly all NCC is doing is changin the number of scan lines per
> char.. is that correct?
>
> I would like an example.... either pseudo code, "C" code, Pascal code,
> Assembly code, basic, ada... ANYTHING!... I am desperate!
You have to execute the following machine assembler sequence to
get into 80x50 mode (or 80x43 on EGA cards):
mov ax,1112h ; go into 80x50 mode
sub bl,bl
int 10h
>
> Thanks in Advance
> Robb Shearer
> shearer@sol.cis.udel.edu
You are welcome.
E. Teng Ong (ong@d.cs.okstate.edu)
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<1991Jan28.203958.24561@d.cs.okstate.edu>Path:
arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!uwm.edu!ogicse!unmvax!uokmax!d.cs.okstate.edu!ongReferences:
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!uwm.edu!ogicse!unmvax!uokmax!d.cs.okstate.edu!ong From: ong@d.cs.okstate.edu (ONG ENG TENG) Newsgroups: comp.os.msdos.programmer Subject: Re: Video Modes.. Message-ID: <1991Jan28.203958.24561@d.cs.okstate.edu> Date: 28 Jan 91 20:39:58 GMT References: <42952@nigel.ee.udel.edu> Organization: Oklahoma State University Lines: 27