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Re: APPLE ][ Clone-Project?
E.-R. Bruecklmeier suggested:
>Linards Ticmanis schrieb:
>
>>
>> I don't think there is a free 6502 core for FPGAs that has original
>> cycle times, so I assume you'd have to buy one (expensive) or use a real
>> 6502 chip (fine, but a bit hard to get, and it makes your design more
>> complicated.)
>>
>
>
>http://www.free-ip.com/6502/
A nice core, but as Linards suggested, the cycle counts are off.
This would make any timing-dependent code run differently--for
example RWTS would have trouble writing to disk.
-michael
Email: mjmahon@aol.com
Home page: http://members.aol.com/MJMahon/