Writing ZX81 games using C with embedded Z80 assembler for faster games @ZXRetroGaming
Writing ZX81 games using C with embedded Z80 assembler for faster games @ZXRetroGaming
Uploaded March 2026 | Updated September 2026, 2 weeks ago
In this video I look at optimizing ZX81 programs made with Z88DK C by having some of the display functions written in embedded assembler called from the C code. Mazogs cameo.

Part 3 of programming with C for the ZX81.
Writing ZX81 games using C with embedded Z80 assembler for faster gamesTeam17s Amiga games (playable on the A500 Mini)Experiments with the Spectrum Next : Boriel BASICNext Point tennis for the Spectrum Next. Demo modeDemo : Adding a QL game to the Spectrum Next QL coreZ80 Coding : Watching memory to find obscure bugsTop 10 Ocean Software Amiga games ? (playable on the A500 Mini)Making Retro Gaming videos: the gear, the software and techniquesFirst look at the Sinclair Spectrum Next Issue 2Top Sinclair ZX81 games from back in the eightiesReact Chess - How good an opponent is ChatGPT?Experiments with the Spectrum Next : The BBC Micro
ZX Retro Gaming including 8 and 16 bit |

Writing ZX81 games using C with embedded Z80 assembler for faster games

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