9-19-25:

1) As of 8‑1‑2024, all new members will be moderated due to excessive spam being posted within 24 hours of sign‑up by rogue accounts. If a new member’s first couple of messages are on‑topic, they will then receive immediate posting privileges for future messages.

2) If you currently have immediate posting privileges but do not see your new message appear, please wait about 24 hours before re‑posting. The message is likely awaiting moderator approval, and a moderator will address it as soon as possible. For reasons unknown, some messages are occasionally flagged for moderation.

3) Google also has its own moderation bots, and they may delete messages based on criteria that are not publicly known. If this happens, simply try re‑posting as needed.

This group is a "virtual pub" (no team colours) open to anyone for the discussion of topics focused on but not exclusive to vintage or retro computing.

Use it to discuss ideas, share information, show off achievements, learn, teach, hang-out.

All levels of expertise are welcome, from "What's a Z80?" to "I design chips for Intel..."

Examples of possible topics (by no means exclusive)

retro/modern kits and peripherals: SC1xx, RCBUS, RC2014, LINC80, YAZ180 etc
Early home computers: Apple II, Commodore 64, TRS-80, ZX-80/81 etc
Specific chips: MPUs, MCUs (8051, TMS1000) , CPLD, FPGA etc
Bus standards: serial, parallel, SPI, i2C, ethernet etc
Operating Systems: CP/M, FUZIX, Z-System, etc
Programming languages: Assembler, C, PASCAL, FORTH, BASIC etc
ROM Monitors: Grant's Monitor, ROMWBW, SCM, z80ctrl, busRaider etc
Emulation: Alan's simulator, SIMH, Grant's Multcomp
New board designs
EDA tools- KiCad, EasyEDA, Eagle, Quartus, Vivado
PCB design
and more :)

Duodyne mailing list and GitHub

Andrew Lynch