uzix/zx-sizif-xxs
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zx-sizif-xxs/README.md
UzixLS 04d6644b5a disable 14mhz mode 
It has been broken for a long time. I don't see any reason to
investigate  my time to fix it as it's doesn't look useful for any
software.
2021-11-14 21:12:53 +03:00

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Sizif-XXS

Smallest FPGA-based ZX Spectrum clone with real Z80.

photo

Tech specs

  • 100x24.5mm PCB
  • PS/2 keyboard
  • Pentagon, Spectrum 128K and Spectrum 48K timings
  • Altera EP1C3T100 FPGA
  • Real Z80 in 3.5MHz, 4.4MHz, 5.2MHz, 7MHz modes
  • 512K RAM
  • TurboSound with switchable stereo ABC/ACB/mono output
  • Integrated DivMMC, 1x microSD socket
  • PAL video output
  • ULAplus
  • Mono covox (Pentagon standard)
  • SounDrive (4-channel stereo covox)
  • Tape input via 3.5" jack
  • USB 5V power supply

Current status

Work in progress!