Compact ZX Spectrum CPLD-based clone.

Specifications:
- 128K
- AY-8910 (YM2149) mono sound
- Pentagon timings
- PAL encoder in CPLD
- Intended to assemble on prototyping board, but may be assembled on manufactured PCB

To modify and compile CPLD firmware you need Quartus 9.0 SP2.
To modify schematic and pcb you need Kicad 5.1.4 or newer.