Ok, what does this have to do with Arduino or Raspberry Pi? Well, I am working on a couple of Pi emulating antique computer projects, and said, let’s try this! I could use some financial help with a few projects we are working on, so use the “Donate” button found on this page, and I’ll send you a zip file with a working TRS-80 Model 1 emulator (ROM included). Just unzip and run an old friend ….