But now I'm back with so many Z80 projects and always so little time... I started work on my first 80s project, the reZet80 SENTINEL with 128 KiB of RAM and LCD display in CMOS technology but I need to distinguish between my CMOS and NMOS Z80s first.
The first reZet80 SENTINEL release will be a game only release including:
- Asteroid Belt
- Hex Invaders
- two-player Black Jack
- Haunted House text adventure
- Hex Man (Hexadecimal Hangman)
- Dino Chase
- Camel Race
- Donkey Race
- Obstacle Runner
- The Lighthouse text adventure
reZet80 stands for "Reset me back to the 80s with the Z80".
reZet80 features a set of retro projects to develop computing and arcade systems that resemble the Z80 machines of the late 70s and 80s.
All systems are built from scratch and not copies of any other Z80 system.
The development process includes hardware design and software programming in Assembler.
I started reZet80 back in 2016.
reZet80 releases (including documentation, schematics and source code at GitHub):
- 2023-10: reZet80 PIONEER R1 (Haunted House-only release)
- 2022-12: reZet80 SCOUT R0 (prototype, unfinished code)
- 2022-06: reZet80 PIONEER R0
- 2021-06: reZet80 HWDK R0
- 2021-02: reZet80 DEV R1 (unfinished code)
- 2020-11: reZet80 DEV R0
Off-topic note: The letter Z stands for the company Zilog and the Z80 CPU. The Z is in NO WAY related to the Russian war against Ukraine!

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