ZX81

This is an updated ZX81 with 32KB ram and composite video and uses modern vLA81 ULA.

jumper link add to select ULA type

status: In development. require a ZX81 PCB for board layout.

ZX81 schematic

1 file(s) 84K

ZX81 schematic

ZX81 BOM

1 file(s) 26K

ZX81 BOM