5 years ago, I made a derivative of SAP-1 (mainly inspired by Ben Eater) on breadboard with few improvement and called it MSAP-1 ( https://github. com/mehrantsi/MSAP-1 ) I made my own very primitive Assembly language and a simple Arduino programmer ( https://github. com/mehrantsi/8-bit_CPU_Progra...
Source: [Hacker News](https://msap2.mehran.dk)