40 Years after the Sinclair ZX81 was released this project aims to preserve the first 4 chip computer
This a computer presevation project for the Sinclair ZX81.
Features (Hopefully).
- Drop in replacement for a ZX81
- Built in 16K+ RAM, no need for a RAM Pack
- Built in Composite Video Output
- Barrel Jack power input, center Positive
- OPTION: Single Joystick port (not compatible with quickfire etc.)
- OPTION: Switchable to 1K RAM
- OPTION: Back Porch Support for early ULAs
- OPTION: Built in support for ZX-Wespi
- OPTION: ZON-X Compatible Yamaha YM2149F Based Sound
- OPTION: Switchable between Sinclair ROM OR AT28C256 EEPROM
- OPTION: 16 Pin Box Header for DK'Tronics Keyboard