Posted By
Ramtop
on 2018-02-26
06:07:37
|  Re: Possible 8501 replacement kit?
So he's using an FPGA with a softcore?. Timing will probably be an issue.
That's hard enough to get right even with a real 6502. I've been working on a 6502 card for the Plus/4 for about six months now and haven't been able to get the timing exact enough to display FLIs correctly, or run fast loaders with an SD2IEC. That's using a physical NMOS 6502 with a Xilinx CPLD providing AEC, the IO port, etc.
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