zx-rgbi-to-vga-hdmi

For detailed hardware and original software information, please refer to the source: ZX_RGBI2VGA-HDMI.

Changes and New Features

Software

• Video Output:
  • Added new resolutions on VGA output (800x600, 1024x768, 1280x1024).
  • Introduced scanline effect at higher resolutions.
• Configuration via Serial Terminal:
  • Text-based menus.
  • Frequency presets for self-synchronizing capture mode (supports ZX Spectrum 48K/128K timings).
  • Real-time settings adjustments for capture delay, image position, scanline effects, and buffering modes.
• PIO Clock Divider Optimization: Enhanced precision in self-synchronizing capture mode.
• Test/Welcome Screen: Styled like the ZX Spectrum 128K.

Hardware

• Analog to Digital Conversion: Converts Analog RGB to digital RGBI.
  • Based on the RGBtoHDMI project.

Removed Features

• Z80 CLK external clock source.