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John Tsiombikas

  • Zilog Z80 microprocessor chip test circuit

    • 1 week ago
    • 41 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)

    • 2 months ago
    • 54 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

    • 4 months ago
    • 220 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

    • 4 months ago
    • 462 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.

    • 8 months ago
    • 503 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)

    • 1 year ago
    • 157 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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