Index of my Z80, Z180, Z280 designs in GitHub. Designs are listed chronologically with links to respective repositories
Circa 2018. ROM-less, battery-backed 20MHz Z80 SBC for RC2014 bus. Discussion in Google retro-comp
Circa 2018. ROM-less, battery-backed Z80 SBC. Discussion in retrobrew computer forum
Circa 2018. G8PP is a prototype board for 8-bit processors. The target processors are Z80, 8085, 680x, 6502, as well as 16-bit processors with 8-bit bus. G8PP is a RC2014 bus compatible module to take advantage of various I/O modules of the RC2014 family.
Discussion in retrobrew computers forum
Circa 2018. An experimental Z280 SBC design with different bootstrapping methods and different memories, aka TinyZZ. Discussion in Retrobrew computers forum
Circa 2018. A CP/M-ready, Z280-based SBC for RC2014 bus. Discussed in retrobrew computers forum
Circa 2018. A Z280 Single-board Computer in Z80-Compatible Mode for RC2014 bus. Discussion in Retrobrew computers forum
Circa 2019. Z80MB64 is based on Z80SBC64 with 3 RC2014 expansion connectors. All the software that runs on Z80SBC64 will also run on Z80MB64. Discussion in Retrobrew computers forum
Circa 2019. A Z280 SBC with Compact Flash interface in Z80-Compatible Mode for RC2014 bus. Discussion in Google retro-comp
Circa 2019. ZZ80MB is a Z280 SBC that can be built by beginner and does not require an EPROM programmer. In fact, it can serve as an EPROM programmer for other projects. Discussion in Retrobrew computer forum. Additional discussion in Google retro-comp
Circa 2019. Simple Z80 SBC without glue logic. Discussed in Retrobrew computers forum.
Circa 2019. A glue-less Z80 SBC capable of running CP/M. It can also run RomWBW with an addition of a Quad OR gates. Discussion in Retrobrew computers forum, also discussed in Google retro-comp .
Circa 2019. K80 is a basic Z80/ROM/RAM SBC but with KIO (Z84C90) for I/O. K80 is CP/M ready, K80W is RomWBW capable. Discussion in Google forum retro-comp
Circa 2019. Zuno is Z80SBC64 Z80SBC in Arduino Mega2560 enclosure. Discussed in Retrobrew computer forum. Additional discussion in Google Retro-comp forum
Circa 2019. Micro80 is a classical microprocessor design using the Z84C1516 Intelligent Peripheral Controller. Discussion in Google retro-comp forum
Circa 2019. A full-feature Z80 CP/M-capable SBC based on Z84C15 controller that fitted in the Arduino Mega2560 enclosure. Discussed in Google Retro-comp forum
Circa 2020. A standalone CP/M Z80 SBC with VGA video and PS2 keyboard. Discussion in retrobrew computer forum, More discussion in Google retro-comp
Circa 2020. ZZRCC (Z280, RAM, CPLD, and CF disk) is the replacement for ZZ80CF. It fixed the asynchronous baud clock that intermittently inject an extra character in serial output. Discussion in Retrobrew computers forum. Additional discussion in Google retro-comp forum
Circa 2020. A RC2014-compatible Z180 SBC with through-hole components and no CPLD. Named after the person who gave me six Z8018008PSC and a request to build a cheap, easy-to-build Z180 SBC. Discussion in retrobrew computer forum. More discussion in Google retro-compforum.
Circa 2020. Z80 RC2014-compatible SBC with DRAM memory in 50mmX100mm PC board. Discussed in Retrobrew computers forum
Circa 2020. A minimum hand-wired Z80 computer derived from ZRCC where the design is further simplified by eliminate the compact flash disk and upgrade the RAM to 512K so the CP/M file system can be stored in RAMdisk. discussion in google retro-comp group.
Circa 2020. An inexpensive RC2014-compatible, CP/M-ready SBC. Discussion in Retrobrew computers forum.
Circa 2020. Z80LCD is a Z80 Controller for UG32F01, 320x240 LCD Display Panel. Discussion in Google retro-comp forum
Circa 2022. Generic Retro Computer (GRC) is a modular system for 8-bit (and some 16-bit) processors of 1970's and 1980's. The processor shares the same hardware resources of CPLD, RAM, CF disk, and I/O. GRC-Z80 is a GRC based on Z80 processor .Discussion in retrobrew computers forum
Circa 2022. A CPLD trainer based on Altera EPM7128SLC84. It includes RAM, Flash and accommodates three 8-bit 40-pin DIP processors. This is CPLD trainer with Z80 processor. Discussion in retrobrew computers forum
Circa 2023. ZRC512 is a single-board Z80 computer designed specifically for ROM-less RomWBW. It has few components all in easy-to-build through-hole technology. Discussion in Retrobrew computer forum
Circa 2023. a RC2014-compatible, RomWBW-capable Z180 SBC. The motivation came from a new RomWBW feature that accommodates ROM-less Z80/Z180/Z280 computer with 512K of RAM. Discussion in Google retro-comp forum. Additional discussion in retrobrew computers forum
Circa 2024. A mezzanine board based on Z8S180 processor and 512K RAM for EPM240 dev board. It supports RomWBW for Z180. Discussion in retrobrew computers forum
Circa 2024. BB6580 is bare bone Z80 and 6502 computers in one pc board. Discussion in Retrobrew computers forum, another discussion in Google retro-comp forum
Circa 2024. A Z80 ran at 3.3V on a mezzanine board that plugged into a EPM240 Dev board to form a CP/M capable computer. Discussed in Retrobrew computers forum
