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Oscar Toledo

Óscar Toledo Gutiérrez (Mexico, 1978) is a game developer and design consultant, who gives talks at universities about programming topics and the influence of software in the society. He started programming at age 5 in BASIC, and he learned Z80 assembly language by age 9. Author of bootOS (x86 operating system in 512 bytes); creator of IntyBASIC (a language for fast game development on Intellivision); developer of the world's smallest chess programs in C, Java, Javascript, and x86/6502 machine code; five times winner of the IOCCC (International Obfuscated C Code Contest); 2nd place in the first JS1K contest; 2nd place in the MSXdev'10 contest. He has programmed games for Atari 2600, Colecovision, Intellivision, MSX, Sega Master System, and TI-99/4A. His games Princess Quest and Mecha-8 are included on the Colecovision Flashback, Space Raid is on the Atari Flashback 9 Gold, and Princess Quest is on the Evercade Intellivision Cartridge.