Gabriel Caffarena

Author's posts

Feb 01

Torres Quevedo and the first computer

(originally published in spanish in November 2018) I am in the middle of intensive reading up on the inventions of Leonardo Torres Quevedo, and, even though is a bit early, I would like to share my findings, especially those related with the world of computing. Additionally, I am Spanish and I talk all the time …

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Nov 06

Sinistar: the arcade of the eternal youth

There is nothing like finding an arguably fun example to support any of the arid concepts populating the fields of digital electronics, computing and signal processing. Some time ago, I came across a fantastic video published by the IEEE Spectrum Magazine (Five Infamous Arcade-Game Glitches), devoted to programming mistakes (i.e. glitches) in arcade videogames: Asteroids …

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Oct 08

Total recall: “6502: igniting the digital revolution” (2017)

The 6502 was pure magic out of transistors. The creators of this microchip are truly digital heroes that achieved the unthinkable: creating a low-cost microprocessor in 1975 that shaped the electronic industry. This device was used in legendary machines, such as Atari VCS 2600, Apple II, Commodore 64, Nintendo Famicon, etc. An animated GIF is …

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Sep 05

(RetroMadrid2018) 4- and 8-bit pioneers: the creation of the microprocessor [the talk I couldn’t give]

(Also available in Spanish. Use the language switch) Please find a video (in Spanish) of a talk I planned to give in RetroMadrid 2018 (a Spanish event for retrocumputing), but that eventually I got sick and I could not attend. The talk covers the following points: Review of my previous talk (history of 6502) in …

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