nanogui: will thias work
Subject:
RE: will thias work
From:
"Louis P. Santillan" ####@####.####
Date:
11 Jan 2000 19:03:10 -0000
Message-Id: <Pine.GSO.4.21.0001111051020.12072-100000@neptune.calstatela.edu>
Modes 0x00 - 0x06 are part of the CGA spec and have their memory located
at 0xB800:0x0000. I have two 8088s with CGAs that I'd be willing to test
DOS programs on. The following is from RBIL w/irrelevant parts snipped...
Louis
text/ text pixel pixel colors disply scrn system
grph resol box resolution pages addr
00h = T 40x25 8x8 320x200 16gray 8 B800 CGA,PCjr,Tandy
01h = T 40x25 8x8 320x200 16 8 B800 CGA,PCjr,Tandy
02h = T 80x25 8x8 640x200 16gray 4 B800 CGA,PCjr,Tandy
03h = T 80x25 8x8 640x200 16 4 B800 CGA,PCjr,Tandy
04h = G 40x25 8x8 320x200 4 . B800 CGA,PCjr,EGA,MCGA,VGA
05h = G 40x25 8x8 320x200 4gray . B800 CGA,PCjr,EGA
06h = G 80x25 8x8 640x200 2 . B800 CGA,PCjr,EGA,MCGA,VGA
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"If a frog had wings, he wouldn't bump his a$$ when he hopped!"
- Red Foreman of That '70s Show
On Tue, 11 Jan 2000, Greg Haerr wrote:
> : Yes, if you run DOS. Victor just submitted a DJGPP/GRX
> : port of Microwindows. I don't know if DJGPP supports 286
> : or just 386...
>
> As Darran just mentioned, you will have to hack a CGA driver,
> which will be some work. Take the scr_bios.c driver and
> grab an old IBM book and find the bios mode for 320x200,
> and pass that to int10. In addition, the drawline readpixel
> address calculations are slightly different, I think.
>
> I'd write it for you but I don't have any CGA machines
> anymore ...
>
> Greg
>
>
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