ZX80 Zpace Invaders: written in Z80 assembler with code running (timed) in flyback period so no flicker.
more info. Assembler code: here. C code emulating this here.IBM PC 8088 assembler simulation of 3D Ising model.
more info. Assembler code: here. ref.Connect 4 game in C. Try to beat the computer.
more info. C code: hereSuduko solver and analyser in Fortran 77.
code .Collection of pipelined codes for i80 chip - including Gaussian random number generator.
Assembler codes here, here, here and here.FORTRAN fitting program . Code here. Typical calling code here.