In software game programming since the 80's.
Retro gaming and related tools with a focus on the Atari Jaguar.
Reverse engineering and porting old stuff to modern platforms.
Mostly in ASM (6502, 6809, Z80, 80x86, M68K, Pentium), Basic, Java and C/C++.
Atari 8/16/32 bits, Thomson MO/TO, C64, Amstrad CPC, PC, Sega Megadrive/Genesis, Gameboy Color, CDI, Xbox.