emul/pico-zxspectrum
emul/pico-zxspectrum
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pico-zxspectrum/docs/ZxSpectrum4PinAudioVga1111Ps2.md
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ZxSpectrum4PinAudioVga1111Ps2

This is a target similar to the HDMI prototype which uses VGA video output.

It supports the following:

  • USB keyboard
  • PS/2 keyboard
  • USB joysticks
  • VGA video (RGBY1111)
  • PWM sound (4 pin)
  • SPI SD card
  • Serial port debug

This target uses 4 audio pins:

Circuit diagrams

image

The firmware produces RGBY 1111 for the VGA out: image

Firmware

Display mode Firmware Pico Firmware Pico 2
720x576x50Hz ZxSpectrum4PinAudioVga1111Ps2_720x576x50Hz.uf2 ZxSpectrum4PinAudioVga1111Ps2_720x576x50Hz.uf2
640x480x60Hz ZxSpectrum4PinAudioVga1111Ps2_640x480x60Hz.uf2 ZxSpectrum4PinAudioVga1111Ps2_640x480x60Hz.uf2