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ZxSpectrumPicomputerVga222Zx.md

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ZxSpectrumPicomputerZxLcd

This is a target written for Bobricius' PICOZX

It supports:

  • USB keyboard
  • Keyboard martix
  • USB joysticks
  • VGA video (RGB222)
  • PWM sound (1 pin)
  • SPI SD card

While on the menu...

  • SHIFT-Fire = ESC
  • RELOAD = Backspace
  • SHIFT-RELOAD = Del

Circuit Diagram

image

The firmware produces RGB 222 for the VGA out: image

Firmware

Display mode Firmware
720x576x50Hz ZxSpectrumPicomputerVga222Zx_720x576x50Hz.uf2
640x480x60Hz ZxSpectrumPicomputerVga222Zx_640x480x60Hz.uf2

References

Hackaday
Adafruit
Hackster
Reddit