u/VictoryMoist3616

Clock Upgrade on Breadboard 6502

I replaced the display on my 6502 with an RA6963 (equivalent to a T6963) controlled display and I was wanting to get a faster 4MHz clock for the computer. The Access Time for my AT28C256 EEPROM is 150ns, and I still have the whole thing on breadboards. Would this clock speed cause any issues? From what research i've done I think it will be fine but i'm not very experienced with electronics, and from what i've seen in this sub everyone who made this clock upgrade did so on a PCB.

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u/VictoryMoist3616 — 6 days ago

▲ 22 r/beneater

6502 reset sequence glitch

I'm on the second video. I'm getting a glitch in the reset sequence always at this point, at the first line or the first two lines before the fffc it doesn't have ea. It was mostly getting ea there then I put pressure on the wires to try to make the connections better and now its always off. would this be caused by bad connections or possibly something else? Everything else runs fine as you can see.

edit: tested it a few more times and it just seems like an occasional random occurrence now.

u/VictoryMoist3616 — 3 months ago