Hjalfi writes a vi for CP/M (9 hours) Hjalfi writes an assembler (7 hours) Hjalfi ports Fuzix to the ESP8266 (38 hours)
Hjalfi writes a lunar lander game for the Apollo Lunar Lander: https://www.youtube.com/watch?v=VHDkWppysQI (9 hours)
Very highly recommended even if it doesn't seem like your cup of tea based on the title. It goes quite deep into the practical aspects of the crazy architecture of the Apolo Lunar Lander Guidance Computer.
Hjalfi writes a lunar lander game for the Apollo Lunar Lander: https://www.youtube.com/watch?v=VHDkWppysQI (9 hours)
Very highly recommended even if it doesn't seem like your cup of tea based on the title. It goes quite deep into the practical aspects of the crazy architecture of the Apolo Lunar Lander Guidance Computer.