COLE-1+ is a modest update to COLE-1 that mostly corrects some minor issues with the origianl design

Hardware Specifications

  • 65C816 CPU @ 3.6864 MHz
  • 32K of RAM,
  • 32K of EEPROM,
  • 65C22S VIA driving two 8-bit expansion ports
  • 68B50 ACIA providing a TTL-level serial port running at 57.6k bps.

All of the design work, including the schematic and PC board layout, were done in KiCad. The ROM is written in pure assembly and built using ca65.

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