RC2014 Z80 NOP Tester

I’ve already talked about my Z80 CPU Tester (Fail) and how I ended up building one from existing designs. This is actually running code from a ROM and using those instructions to figure out what kind of Z80 is in use. There is a much simpler, more basic “does it even work” test that can be… Continue reading RC2014 Z80 NOP Tester