Retro Programming

A few days ago I coded The Matrix digital rain effect, a fictional representation of the code for the virtual reality of The Matrix. The tec...

Recently I issued the fifth Z80 challenge for the Sinclair Spectrum: This time the challenge is to write a solid flood fill routine to fil...

The fourth Z80 challenge for the ZX Spectrum was issued last week: Back to something simple for the next challenge, a diagonal fade-to-wh...

Recently I issued the third Z80 programming challenge for the ZX Spectrum: This time the challenge is to write the shortest code to displa...

Last week I issued the second Z80 programming challenge: Something slightly more complex this time. Write the shortest code to mirror the ...

A few days ago I issued a Z80 programming challenge for the ZX Spectrum: Something simple for the first challenge. Write the shortest code...

The Mandelbrot set is a fractal which iterates the equation z n+1 = z n ² + c in the complex plane and plots which points tend to infin...