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Fun with vDOS (Emulation)

posted by Dennis(R), 08.01.2015, 03:45

> Just for edification, it's not DOS that controls the size of the screen,
> it's the video BIOS. vDOS apparently has a "funky" virtual BIOS that isn't
> as compatible as it should be.

I'm aware of that. The weirdness is that vDOS will let me specify it in config.txt and DOS utilities like FreeDOS mode report I have an 80 column x 50 row screen, and everything *else* I run in DOS that can use a 50 column screen does. G is the only problem child. I'm not sure what it's not seeing that has it confused. The DOS version (built with Watcom C) may be using a BIOS call vDOS doesn't support. I haven't scrutinized the source to see what it's doing.
______
Dennis

 

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