Z80 libraries for the Sega Master System

ESP8266-01 in-circuit firmware updater for the ZX Spectrum Next™

Hosting "stuff" related to a Z80 based educational computer CA80

Snake clone written in Z80 assembly for the ZX Spectrum

Flashjacks Nextor Driver

Saboteur 1 Spectrum game full disassembly.

Samples for SEGA Master System

ASM Port of the Locomotive Basic Space Hockey TypeIn by David Hay in Amstrad Action Issue 42 (March 1989))

Flashjacks Wave Loader

Eva Player for Flashjacks version

Scuba Dive game for ZX Spectrum

Flashjacks Cassette Loader

Tetris game for ZX-Spectrum 48 (and compatible). The toy was written by me in 1996 in Z80 assembler in the Gens program from HiSoft's DevPack (1983). In 2020, the program source code from Gens was recovered from tape media and then adapted for the Z80 SjASMPlus cross-assembler.

SEGA Master System skeleton for assembly

An old TI83p assembly tetris clone I did a while back

A Unfinished Space Invaders clone for the TI-84 Plus CE written in ez80 assembly.

1k version of the game MazezaM for ZX81

Flash ROM App to make the TI-83 Plus graphing calculator more user-friendly

Reversed Saboteur (ZX Spectrum, 1985): complete 10K-line sabot1core.asm assembled with pasmo and verified byte-for-byte against the original game binary. 🐱💻