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3 votes

Maximum speed of serial I/O driven by 8-bit CPU

Hmm...at least offhand, it seems like you need around 4 instructions per bit and a Z80 needs at least 4 T cycles per instruction. Along with that you need to load the next byte from memory once every ...
Jerry Coffin's user avatar
  • 4,902
3 votes

Maximum speed of serial I/O driven by 8-bit CPU

Well there is no simple answer. If you assume that the CPU runs undisturbed, you can just count the cycles and that's how many systems already handle their tape storage, you just seem to want higher ...
Justme's user avatar
  • 33k
1 vote

Maximum speed of serial I/O driven by 8-bit CPU

There are so* many misconceptions in that question, it's hard to know where to start. The issue with IEEE-488 was absolutely nothing to do with it being parallel, and everything to do with it being a ...
Graham's user avatar
  • 2,074

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