ZX NO-ULA Chip

Bundle:

ZX81NU - ZX81 Clone ohne ULA - PCB - please check my other offer ZX81NU

ZX81NU Project: http://zx81.tlienhard.com/phpBB3/viewtopic.php?p=11016&hilit=ZX81NU#p11016

PLUS

Suitable keyboard with high quality micro switches under the foil - no "crackers" or foil membrane!!!

Bundle:

ZX81+38 rev1.10 - ZX81 Clone without ULA - PCB

PLUS

Suitable keyboard with high quality micro switches under the foil - no "crackers" or foil membrane!!!

Mahjongg ZX81+38 rev 1.10

The pcb of rev 1.10 fits into the original ZX81 case.

Mahjongg ZX81+38 Clone Project: https://revspace.nl/ZX81plus38_simple_to_build_ZX-81_clone

One of the popular ZX81 clones without ULA chip - with large community and good documentation.

ZX81NU Project: http://zx81.tlienhard.com/phpBB3/viewtopic.php?p=11016&hilit=ZX81NU#p11016

ZX81 Clone without ULA Chip, just with standard components

Beyond the basic ZX80/ZX81 functionality, the circuit offers:

- Up to 56KByte RAM or 80K with bank switching
- HRG graphics
- Machine programs in memory range 32K to 48K
- 32Kbyte EPROM with bank switching
- Start menu with selection ZX81 and ZX80
- Onboard interface for VDRIVE2 USB memory with driver in EPROM

Optionally assemblable and then supported by the Driver:

- 128Kbyte onboard EEPROM memory for ZX81 programs via LOAD/SAVE: "Microdisk"
- Mini-LED display for four ASCII characters