InfoNES

May 14, 2026 ยท View on GitHub

Introduction

InfoNES is a Family Computer emulator that runs on SDL/Linux.

This screenshot shows the demo running on InfoNES Advance, which runs on VirtualBoyAdvance.

How to run

> ./InfoNES sample1.nes &

How to play

Controller #1

  • [S]: Start
  • [A]: Select
  • [X]: A button
  • [Z]: B button
  • [Up-arrow]: Up button
  • [Down-arrow]: Down button
  • [Right-arrow]: Right button
  • [Left-arrow]: Left button

System

  • [ESC]: Terminate emulation
  • [ALT] + [Enter]: Toggle full screen mode and window mode
  • [C]: Clip 8 pixels at the top and bottom of the screen
  • [M]: Sound mute

Specification

CPU

  • MOS 6520 opcodes
  • IRQ/NMI/Frame IRQ
  • SRAM load/save function
  • Trainer function
  • MOS 6502 bugs
  • MOS 6502 undisclosed instructions (partial)

PPU

  • 8x16, 8x8 Sprites
  • Sprite Priority
  • Horizontal/Vertical Scroll
  • VROM/VRAM
  • Horizontal/Vertical/1 screen/4 screen mirroring

APU

  • Square wave #0, #1
  • Triangle wave
  • Noise
  • DPCM

Mapper

  • iNES Mapper: #0, #1, #2, #3, #4, #5, #6, #7, #8, #9, #10, #11, #13, #15, #16, #17, #18, #19, #21, #22,
  • iNES Mapper: #23, #24, #25, #26, #32, #33, #34, #40, #41, #42, #43, #44, #45, #46, #47, #48, #49,
  • iNES Mapper: #50, #51, #57, #58, #60, #61, #62, #64, #65, #66, #67, #68, #69, #70, #71, #72, #73,
  • iNES Mapper: #74, #75, #76, #77, #78, #79, #80, #82, #83, #85, #86, #87, #88, #89, #90, #91, #92,
  • iNES Mapper: #93, #94, #95, #96, #97, #99,#100,#101,#105,#107,#108,#109,#110,#112,#113,#114,
  • iNES Mapper: #115,#116,#117,#118,#119,#120,#122,#133,#134,#135,#140,#151,#160,#180,#181,
  • iNES Mapper: #182,#183,#185,#187,#188,#189,#191,#193,#194,#200,#201,#202,#222,#225,#226,
  • iNES Mapper: #227,#228,#229,#230,#231,#232,#233,#234,#235,#236,#240,#241,#242,#243,
  • iNES Mapper: #244,#245,#246,#248,#249,#251,#252,#255
  • Nintendo MMC: MMC1(#1), MMC2(#9), MMC3(#4), MMC4(#10), MMC5(#5)

Known source ports

InfoNES has been ported to various platforms.

PlatformAuthorURL
PlayStation PortableTMKGithub
Internet Archive
iPhonestepwhite
nervegas
Googlecode
YouTube
AndroidScott GloverSourceforge
RockboxNathanielGithub
STM32F429I-DISCOWoodyGithub
Embedded linux
based on ZLG easyARM imax283 board
yongzhenaGithub
Raspberry Pi
Arm Linux
nejidevGithub
AndroidTonyfieldGithub
Raspberry Pi PicoShuichi TakanoGithub
Twitter
Raspberry Pi Pico with SD CardFrank HoedemakersGithub
YouTube
PicoSystemFrank HoedemakersGithub
Twitter
RP2040 with ILI9341 LCDpondahaiGithub
YouTube
MurmulatorIlya MaslennikovGithub
PicopadMiroslav NemecekURL
Twitter
A Virtual platform
with the standard RISC-V processor
Zdenek Prikryl and Pavel SnoblPaper
Poster
PicoCalcFuyukiYoneyamaGithub
Twitter

Disclaimer

InfoNES is freeware. There is no guarantee. The author is not responsible for any damages caused by this software. Family Computer is a trademarks of Nintendo Co., Ltd.