Hi, On Thu, Jun 11, 2015 at 12:52 PM, Dale E Sterner <sunbeam...@juno.com> wrote: > > Most of my best dos software requires vesa. Your link was extremely good.
There's a lot of (defunct?) legacy out there, especially for DOS. So we're really only scratching the surface. > I wish it was in a nice text book that I could sit down and read. Why? Paper is more cumbersome to search. I'm sure you could just print it out manually. ;-) > Not very much into windows stuff even if it is better. Me either. I didn't mean to imply otherwise. Just saying, most games and modern software blindly assumes heavy graphics acceleration, which usually means proprietary drivers. I don't know if things like SteamOS (Linux-based) will improve upon that in the long run. But it probably won't help us very much either way. > I miss the vic 20 where I could poke into the video and make it > look like anything I wanted. Question could I deliver a vesa > command to the video card using the dos copy command. No, I don't think so. You'd (usually) have to use raw assembly. Maybe you could do limited stuff with debug, dunno. (Obviously you can call interrupts with debug or do a few other arcane things, but it's not nearly as good as a full assembler.) > Works for printers why not video. Never new the proper hex > commands so I never tried it. Might also work for cds. > Copy a simple hex file to a cd and make it play music. > Never know until you try. Might work or might not. Most stuff isn't well-documented anymore. It's not as simple as it used to be. There's too many layers between hardware and software. Or it's just badly-spec'd proprietary (expensive) stuff. > With the vesa commands I could change screen > resolution on my laptop and make it fill the screen. > Would have to also change the font size so I cold read it. I don't know what to tell you here. It's just unavoidable that everyone assumes you're only using "modern" stuff. ------------------------------------------------------------------------------ _______________________________________________ Freedos-user mailing list Freedos-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/freedos-user
