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John Tsiombikas
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John Tsiombikas

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    • Zilog Z80 microprocessor chip test circuit - Duration: 81 seconds.

      • 9 months ago
      • 1,164 views
      Minimal test circuit for a Z80 microprocessor chip. The data lines are pulled to ground to emulate reading a string of NOPs from memory, and the clock is pulsed manually to single step fetching and...
    • Singing Blind Guardian's The Bard's Song In the Forest (literally) - Duration: 104 seconds.

      • 11 months ago
      • 190 views
      Let us ride to Livadia...
      ... on second thought let's not go there, it is a silly place.
    • Affine vs perspective-correct texture mapping example - Duration: 64 seconds.

      • 1 year ago
      • 1,812 views
      Crappy hack, showing the notable difference between affine texture mapping, and perspective correct texture mapping.

      Based on my crappy (and unfinished) MS-DOS software rendered first person dunge...
    • 3dfx Glide retrocoding - Duration: 26 seconds.

      • 1 year ago
      • 728 views
      3dfx glide retrocoding :) Why?
      When I was starting to get into accelerated 3D graphics programming back in 2000-2001, I used to have a 3dfx Voodoo 2 GPU (we didn't call them GPU's back then of cour...
    • Decoding PWM signal from an R/C receiver. - Duration: 114 seconds.

      • 1 year ago
      • 1,305 views
      This video shows an experiment I did, to try and use R/C receiver servo PWM signals, as input to an AVR microcontroller. In this case the microcontroller just prints the input value and pulse width...
    • Absence / The Lab (demo) - Duration: 3 minutes, 32 seconds.

      • 1 year ago
      • 194 views
      Absence was the first released demo of my old demogroup: The Lab. It came 3rd at the ReAct 2003 demo competition.

      This was the only demo I've ever written that was "windows only", using my old Dir...
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