Family Computer Disk System
 Family Computer Disk System
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A Disk System with its RAM Adapter.
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| Manufacturer(s) |  Nintendo
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| Release Date(s) | 1986-02-21
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| CPU(s) | Ricoh RP2C33 |
| Sound chip(s) | RP2C33 (internal), NES APU (external) |
| Music section | Family Computer Disk System |
| RP2C33
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|---|---|
FDS sound processor
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| Manufacturer(s) | Ricoh |
| Designer(s) | Ricoh, Nintendo |
| Release Date(s) | 1986 |
| Type(s) | Wavetable |
| Amount of channels | 1 (mono) |
| Amount of voices | 1 |
| VGM support | since 1.61 |
Family Computer Disk System (ja:ファミリーコンピュータ ディスクシステム) 
famicom, Famicom Disk System, Disk System, FDS or even FCD, is an add-on for the Family Computer, created and released (only in Japan) by Nintendo in 1986.
Launch titles
- Zelda no Densetsu: Hyrule Fantasy
- Mahjong (originally released on cartridge)
- Tennis (originally released on cartridge)
- Golf (originally released on cartridge)
- Baseball (originally released on cartridge)
- Soccer (originally released on cartridge)
- Super Mario Bros. (originally released on cartridge; some modifications to the levels)
Sound
- See NES
The FDS adds a 64-step wavetable channel to complement the 5 channels of the Famicom's RP2A03. This channel can be frequency modulated with a user-supplied modulation table.
VGM Scene
- See NES
You can log VGMs that use the FDS PWM in NEZplug++/play++ modded by ValleyBell. You can play them with the latest build of in_vgm / VGMPlay. No VGM Players are available for the Famicom Disk System.
External links
- Family Computer Disk System at Nintendo of Japan
- NESDev Wiki documentation on FDS sound