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On Sun, 26 Sep 2004, Thomas Boutell wrote:
> So cool! Are you looking for someone to do the 6502 core to go
> along with this? (Not that I know anything whatsoever about vhdl.)
There are more than a couple free 6502 cores out there, at least one
of which claims to be cycle count accurate. I have not yet looked into
this, other than to download a copy of the most promising sounding
of the bunch (Daniel Wallner's T65).
There's an item on the TODO list to look into and evaluate 6502 cores,
the two most important aspects being cycle count accuracy and undocumented
opcode support.
Since the 6502 is the best documented and understood chip in the chipset,
I had planned to tackle it last if nobody else jumped in to do it.
If that's something you feel you can do / want to do, go for it, and
let me know what you find out.
Otherwise I'll just trudge forward with my current plan... RIOT, then TIA,
then 6502, then functioning standalone hardware, then (if I've still got
steam) MARIA.
- --
adam@xxxxxxxxxxxxxxxx http://cuddlepuddle.org/~adam
KG6GZR http://cuddlepuddle.org/~adam/resume.html
"You think grown-ups have it all figured out? That's just a hustle,
kid. Grown-ups are making it up as they go along just like you. You
remember that, and you'll do fine."
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