Yamaha YM2151
 YM2151
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|---|---|
Operator Type M (OPM)
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| Manufacturer(s) | Yamaha |
| Designer(s) | |
| Release Date(s) | 1983 |
| Type(s) | 4-op FM |
| Amount of channels | 2 (stereo) |
| Amount of voices | 8 |
| VGM support | since 1.10 |
About
YM2151, also known as OPM (OPerator type M) is an 8-channel FM sound synthesis chip from Yamaha. Each channel consists of 4 operators, tied together in one of 8 configurations (known as CONnections).
Systems
The YM2151 is used on:
- Atari System 1
- Sega System 16 A/B/C
- Sharp X1 Turbo
- SFG-01 and SFG-05 synthesizer cartridges for MSX computers
- Namco System 86
- Namco System 1
- Sharp X68000
- Namco System 2
- CP System
- CPS Changer
Emulation
- There are two VST plugins that emulate the YM2151 via OPM files: VOPM and VOPMex.
- MAME emulation: ym2151.cpp
- VGMPlay uses the MAME code: ym2151.c