Realized there’s no reason to have a Z register at all, X and Y need it since their inputs both come off the shared XY input bus, but with Z every time we load it we immediately then use the […]

Wrote a tool that generates digraphs out of the microcode. Also did a bunch of prep work that had to be done before doing more interrupt work, now have instructions to disable/enable interrupts and can individually set/reset FLAGS bits (instead […]