This is a Logisim Evolution implementation of the Magic-1 computer made by Bill Buzbee.
http://www.homebrewcpu.com/
The implementation is for Logisim Evolution:
https://github.com/logisim-evolution/logisim-evolution
It needs the TTL library (logi7400ic.circ) here:
https://github.com/r0the/logi7400
Completed, tests in progress.