Quote:
Originally Posted by Mark1960
I’m taking a slightly different approach, designing a pcb for RC2014 to fit an sc/mpII. This would then allow use with a range of existing modules.
I think it could share the bus with a z80, so I can use one of my existing modules to load code to ram, then halt the z80 and enable the sc/mpII.
As I couldn’t find a transparent latch with tristate output, I’m going to try a 74hct257. This also avoids inverting NADS.
Also want to experiment with multiprocessing two sc/mpII.
I’ll add a schematic when I get a bit further, if anyone is interested in reviewing for mistakes.
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Sounds an interesting project that joins two of my favourite chips maybe we can start a new thread over in Homebrew for it could you not use the 81LS95 - they seem fairly plentiful on the second hand market and are contemporary with the SC/MP designs?