[Coco] reading the ROM on a CoCo 3
Robert Gault
robert.gault at worldnet.att.net
Fri Jul 28 06:59:52 EDT 2006
Mike Pepe wrote:
> Oh, duh!
>
> Forgot about the old SAM ROM/RAM switch.
>
> Interestingly enough, when I do that, the program immediately crashes.
>
> I'm loading the short code in $0E00, the machine has 512k. First thing
> it does is disable the interrupts.
>
> Soon as I sta $ffde, the machine locks up and the screen fills with crap.
>
> maybe I need to move the code to a different location.
>
>
><snip>
That should not happen. You probably are overlooking something in your
code. $E00 is a safe location when switching RAM/ROM.
If you want to send your source code to me, I'll see if I can find the bug.
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