On Sun, 15 Aug 1999, Laurens Holst wrote:
> > Is that so ? I have a P200MMX and if I put BrMSX at full speed, it runs
> > about 7 or 8 times the speed of a real MSX...
> Whow, is that fast (not really for an emulator which runs at full speed on a
> 386-33 and uses MMX enhancements etc.).
Try the test yourself:
TIME=0:FORI=0TO1000:NEXT:PRINTTIME
This returns "92" on a real Expert 1.0 and "4" on BrMSX running
in mode fast on my K6-233. The speed improvement over the real MSX
is 23 times. This is quite good to run "Graphos 3", if you can live with
sound disabled.
> > | >- BrMSX displays MSX games with over 30000 colurs.
> How can BrMSX generate MORE colors than the machine it emulates can
> handle??? It's not possible. It may work on a 30000-colors screenmode, but
> that doesn't mean it really does display them...
It does. BrMSX can interpolate colors when the Parrot engine is
enabled. If a pixel has Red color and its neighbour has Yellow color,
then the pixel inbetween will be Orange. Since we have 16 colors on the
original, the horizontal pixels can have 256 colors (16x16). The vertical
pixels are interpolated from the already interpolated horizontal pixels,
so they can have 65536 colors (256x256). Due to a limitation of the pc
video mode I'm using, it can display only 32768 colors.
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Ricardo Bittencourt http://www.lsi.usp.br/~ricardo
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