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My own experiment has recently been a Z80 hooked up to an Arduino - which fakes I/O and RAM accesses to/from the chip. I got as far as getting BASIC to run, bu
by stevekemp 7y ago
My own experiment has recently been a Z80 hooked up to an Arduino - which fakes I/O and RAM accesses to/from the chip.
I got as far as getting BASIC to run, but struggled porting FORTH to z80. Existing Z80 forth interpreters I found need almost 64k but wiring up some static-RAM hasn't yet given me a functional system so I'm hazy on what is wrong; either my real-RAM or the interpreter itself.
- swiley 7y agoMy issue when I build my homebrew computer in college was that I didn’t think to put biasing resistors between the z80 and SRAM, since it’s TTL. You probably didn’t do something that silly though.