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Retro Programming While attempting to write a game in 256 bytes I needed a routine to draw lines, but Bresenham's line algorithm weighs in at approx ~120 bytes. The only suitable alternative I'm awar...

Itsy Forth is a tiny subset of the Forth programming language. So far we've looked at the Forth outer interpreter , inner interpreter and d...

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...

The fourth Z80 challenge for the ZX Spectrum was issued last week: Back to something simple for the next challenge, a diagonal fade-to-white CLS. Write the shortest code to wipe the screen by increasi...