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by fordp2002
Tue Aug 15, 2017 2:53 pm
Forum: Development
Topic: ZX81 ULA-in-a-CPLD
Replies: 233
Views: 65280

Re: ZX81 ULA-in-a-CPLD

I might just add that I'm using retrotechie's Xilinix implementation and ported it over to the Atmel atf1504 plcc44. Well, I'm at a loss as to why it wont work in slow mode? Everything else including the tape load/save works perfectly, but only in fast mode. cheers commie Did you get anywhere with ...