Hello! Groepaz wrote: > i would strongly advice not to use the 6510 for bitbanging - since that is > dead slow. look at what speed the mmc64 can offer, it has a small spi > controller with 8mhz spi clock (so one byte can be transfered each c64 cycle), > and also uses a huge unrolled loop to read a sector from sd card. this is > quite ok speed, but already on the slowish side of things. with bitbanging it > would be at least 10 times slower, if not more - and unrolling loops would be > out of the question because codesize would explode. Hmmm, maybe a hardware TTL shift register then? Are you able to estimate the data transfer rate of MMC64 with this 8MHz chip? Regards, Michau. Message was sent through the cbm-hackers mailing listReceived on 2012-05-07 17:01:27
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