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cad911ec7044938154bf57c3087c6f3a67acf2b1
Easy-to-build minimalistic ZX Spectrum clone.
Specifications:
- CPLD EPM7128SLC84 (128 macrocells)
- Z80 3.5 MHz
- 128K RAM
- AY-3-8910 (YM2149) mono sound
- Pentagon timings
- PAL encoder in CPLD (CRT TVs preferred)
- Intended to build on 9x15 prototyping board, but may be built on manufactured PCB
To modify and compile CPLD firmware you need Quartus 13.0sp1. To modify schematic and pcb you need Kicad 5.1.4 or newer.
Please note the errata for rev.A pcb.
Languages
Verilog
93.4%
Makefile
6.6%