OpenCores

4004 CPU and MCS-4 family chips

News
Dec 2, 2021Updated all four MCS-4 system chips, and verified operation in a Spartan 6 FPGA running the original Busicom 141-PF software.Pollack, Reece
Nov 13, 2012Verilog modules making up the 4004 CPU have been uploaded. Test benches and 4001 ROM code will follow.Pollack, Reece
Sep 24, 2012Updated project descriptionPollack, Reece