> Erm... No. You probably meant to say four /bits/ (a nibble). Four bytes
> is 32 bits per pixel? Not likely, on a SAM. The Kaleidoscope wasn't too
> bad, IIRC... But no programs supported it.
Yeah, four bits, absolutely! It was late. And as for the Kaleidoscope,
didn't the Newsdisk carry a demo? Besides, as far as I recall the SAM
couldn't even scroll a page of regular graphics, what would a single
handed z80 have been able to do with the 16bit colour (or whatever it
was) of the Kaleidoscope?
Andrew Collier wrote:
> The Sam's 512K RAM is arranged in 32 pages of 16K each. The ROM comes in
> two 16K sections, which go in sections A and D. As far as BASIC is
> concerned, 16384 is the start of RAM page 0.
Actually I only have a 256k SAM (it is a genuine MGT one if that counts
for anthing though), is it correct to assume that pages 14&15 start in
sections C&D?
Also, slightly less related, what are the pros and cons of developing
in SIM Coupe? I have no method to connect my SAM to a monitor - so what
is the compatibility like as far as simple uses such as mine will be?
> >If I page out
> >the ROM can I use the lower 32k for the screen and the higher 32k for
> >program . . .
>
> Yes indeed, though I normally do it the other way round to catch mode 1
> interrupts.
'mode 1 interrupts' - is there no 50Hz interrupt in other graphics
modes? And, on a slight aside, is it actually 50Hz now, or still about
50.8?
-Thomas
