ZX81NU - ZX81 Clone no ULA - PCB
ZX81NU - ZX81 Clone no ULA - PCB
ZX81NU - ZX81 Clone no ULA - PCB
ZX81NU - ZX81 Clone no ULA - PCB

ZX81NU - ZX81 Clone no ULA - PCB

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

2021121370
1-2 days (plus shipping time)
€12.59
Delivery time 1-2 business days (plus shipping time)

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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

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