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Filename Latest commit message Latest commit date
Pierre Althinsson 39eb613846 Update Rev.B
2023-06-29 06:07:19 +02:00
Docs Updates to doc 2022-12-09 15:56:43 +01:00
EPSM 401C-F Addressing circuit Added improved addressing circuit 2022-11-20 00:31:52 +01:00
EPSM 401C-F Addressing circuit improved Added improved addressing circuit 2022-11-20 00:31:52 +01:00
Files Updates to the GitHub page 2022-12-09 10:14:01 +01:00
Images Updates to the GitHub page 2022-12-09 10:14:01 +01:00
NES Simple Famicom Expansion Audio Module Updated 401C-F addressing circuit 2021-09-01 23:23:21 +02:00
Nes Sound Expansion YMF288 Update Rev.B 2023-06-29 06:07:19 +02:00
Nes Sound Expansion YMF288 401C-F Addressing Daughterboard Add 401C-F decoding daughterboard PCB for EPSM FC 2023-01-22 20:56:36 +08:00
Nes Sound Expansion YMF288 Famicom Added M2 to the addressing circuit and famicom daughterboard connector 2021-09-02 00:31:44 +02:00
Nes Sound Expansion YMF288 Famicom Horizontal Clarify EPSM chip enable and address net names 2023-01-22 18:39:27 +08:00
Old Models Uploaded all current files 2021-04-23 14:44:02 +02:00
.gitattributes Initial commit 2021-04-23 14:41:55 +02:00
.gitignore Initial commit 2021-04-23 14:41:55 +02:00
LICENSE Updates to the GitHub page 2022-12-09 10:14:01 +01:00
README.md doc update 2022-12-12 07:56:22 +01:00

README.md

EPSM

NES Expansion Port Sound Module (Earlier: Expansion Port Sound Generator)

An expansion sound card for the Nintendo Entertainment System

EPSM RevA

It uses an Yamaha YMF288 Soundchip that gives a lot of new audio capabilities to the NES.

Features of YMF288:

  • 3 Pulse Channels with Envelope and Noise
  • 6 4OP FM Channels with hard panning stereo.
  • 6 Rythm channels featuring 6 different ADPCM Drum Recordings with Hard Panning Stereo support
  • 2 Timed IRQ's

Added features of the EPSM

  • Forwards expansion audio from supported gamecarts
    • Original Famicom expansion audio games with compatible adapter
    • PowerPak
    • EverDrive N8
    • EverDrive N8 Pro
    • Other carts using EXP2, EXP6 or EXP9 to output audio
  • Alternative 3.5mm jack for Stereo output
    • EPSM Audio forwarding to the NES RCA/RF outputs are disabled when the 3.5mm jack is plugged in
    • NES Audio and Cart Expansion audio plays as Dual Mono on the 3.5mm jack.

Tools

  • Mesen-X: Supports playback of EPSM using any mapper.
  • FamiStudio: Allows for music creation for the EPSM and has both ROM and NSF export options.

Famistudio_and_Mesen

Usage