Tag: ym3812

2 matching upgrades

Showing 2 products.

StatusProductWhat it doesCompatibilityLinks
Sold outChecked Jul 28, 2026FM-YAMby FM-YAM project
fm synthesisopl2ym3812cartridgeaudio inputsid

Adds nine channels of OPL2-compatible FM synthesis to a Commodore 64 and can mix SID or other audio into its output.

The project page says all four production batches, totaling 360 cartridges, sold out. Commodore4Ever also showed its product page sold out on 2026-07-28, and Protovision's current music-peripherals category listed only FM-YAM cable accessories. Check the seller pages or used market for a restock.

Sources
  • Commodore 64 Exact model
FM-YAM project pageCommodore4Ever FM-YAM listingProtovision music peripheralsSearch eBay for FM-YAM
AvailableChecked Jul 25, 2026Sergey ISA OPL2 Cardby Sergey Kiselev
isaadlibopl2ym3812fm synthesisopen hardwarediybare pcb

Open ISA sound-card design using Yamaha OPL2 hardware for AdLib-compatible FM synthesis.

Retro Electronics listed the Version 1.2 bare PCB in stock on 2026-07-25. No components or assembly are included; the obsolete Yamaha sound chips can be harder to source than the common logic and passive parts.

Sources
  • ISA expansion boards Bus/interface
  • Micro 8088 Exact model
ISA OPL2 project repositoryBuy the Version 1.2 bare PCBSergey's project index