Programming in C for the Sinclair ZX81 @ZXRetroGaming
Programming in C for the Sinclair ZX81 @ZXRetroGaming
Uploaded February 2026 | Updated September 2026, 2 weeks ago
In this video I look at using Z88DK C compiler to produce programs for the ZX81. I look at improving the speed of some of the main functions so games fast enough to run on the ZX81 can be made. There is a demo of how fast these speed improvements are.

Part 1 of programming with C for the ZX81. Subscribe to see more :)
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ZX Retro Gaming including 8 and 16 bit |

Programming in C for the Sinclair ZX81

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