[Coco] CoCo 3 MMU test for all

jdaggett at gate.net jdaggett at gate.net
Tue Jan 22 10:18:42 EST 2008

On 21 Jan 2008 at 21:26, Darren A. wrote:

> Here is a test case which strengthens my theory. Change the JMP $B4F3
> in the PEEK code to an LBRA $B4F3 by entering the following pokes:
> POKE &HB754,&H16
> POKE &HB755,&HFD
> POKE &HB756,&H9C
> Now when you do a PEEK(&HFFA0), I'll bet it will return $38 instead of
> $78.
> Darren

I don't  have my Coco 3 setup as of right now. But it would be an interesting 
test. If true then the corruption is definitely outside the CPU. I would suspect 
the GIME chip. 


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