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From: hyc@math.lsa.umich.edu (Howard Chu)
Newsgroups: comp.sys.atari.st.tech
Subject: Re: Question Time Yet? :-) Re: Welcome to c.s.a.s.t!
Message-ID: <1990Jul14.210640.21677@math.lsa.umich.edu>
Date: 14 Jul 90 21:06:40 GMT
References: <1990Jul14.050231.13298@wam.umd.edu> <1990Jul14.151040.10588@cunixf.cc.columbia.edu>
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Organization: University of Michigan Math Dept., Ann Arbor
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In article <1990Jul14.151040.10588@cunixf.cc.columbia.edu> ia4@cunixd.cc.columbia.edu (Imran Anwar) writes:
>I read in the latest issue of a music magazine (was it Keyboard?) that 
>Dave Small (Gdgets by Small) has managed to implement Mac MIDI on the ST using
>some additional hardware.
>
>Using a similar method, could it be possible to emulate Mac II type colors etc
>also on the ST?
>
>Imran Anwar

Probably. Anything is possible, after all. With enough determination, you might
even figure out how to use the actual Mac NuBus cards in, say, a Mega ST. Then
you could shell out the $$$ for the actual Apple hardware, video card & monitor.
Or something.

So... On the 24 bit video card, is each pixel 24 bits, or do they just map some
number of colors into a smaller palette? (Or allow both?)

Perhaps a card that maps in somewhere between 4 & 12 meg, with up to 4 meg
of its own memory. At 24 bits/pixel you can cram a 1024x1024 image into 3 meg.
Make it use display lists, like the old GTIA. (Dunno, I guess you don't need
to mess around with lower & text resolutions when you've got 3-4 meg of display
RAM, eh?)

It would be totally incompatible with the regular ST modes, but no big deal.
CGA/EGA/VGA on the PCs is pretty hairy too, but folks still write code for them.
--
  -- Howard Chu @ University of Michigan
  one million data bits stored on a chip, one million bits per chip
	if one of those data bits happens to flip,
		one million data bits stored on the chip...