3 ms·C74-6502 CPU A Homemade TTL 65022 points by peter_d_sherman 7y agopeter_d_sherman 7y agoc74-6502 microcode: https://c74project.files.wordpress.com/2020/04/c74-6502-microinstructions.pdf https://c74project.files.wordpress.com/2020/04/c74-6502-micr...