Hallo Michał, > This is too late for the CBM-II maiboard ... What makes you think so? When doing a write like "sta $87" or "sta $1234" the write action takes only one complete cycle. That is exactly what happens with the 65C02. But that is also what happens with the 6509. OK, the address $0002 is present for tw whole clock cycles but the first one is a read. Please have a look at a normal "sta" and compare that one with this one. -- Kind regards / Met vriendelijke groet, Ruud Baltissen www.Baltissen.orgReceived on 2020-05-29 21:35:22
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