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z80
2014 Jul 05
6
[LLVMdev] Instructions on a target with no general purpose registers
I've mentioned my sneaky plans to target the MOS6502 here before.
The big issue I think is that a lot of instructions don't really have a choice for output register. It all just goes into the accumulator, X index, or Y index based on the specific instruction.
So, my question is, when I'm defining my ins, outs and registers for these instructions, is it going to be a problem that