From: Rainer Buchty (buchty_at_cs.tum.edu)
Date: 2004-02-09 18:29:36
> Hmm, what is the RDY input then? Couldn't it be used for implementing > wait states? If yes, why didn't Commodore use it for anything else than > blocking the processor during DMA? On the C64 and C128, the RDY input > can be affected by altering the -DMA input of the cartridge port. Wasn't the problem with RDY that it needs up to 3 cycles to be acknowledged, i.e. that write cycles can't be interrupted? Clock stretching, in term, would work "just in time". Rainer Message was sent through the cbm-hackers mailing list
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