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.
| Platform | Author | URL |
|---|---|---|
| PlayStation Portable | TMK | Github Internet Archive |
| iPhone | stepwhite nervegas | Googlecode YouTube |
| Android | Scott Glover | Sourceforge |
| Rockbox | Nathaniel | Github |
| STM32F429I-DISCO | Woody | Github |
| Embedded linux based on ZLG easyARM imax283 board | yongzhena | Github |
| Raspberry Pi Arm Linux | nejidev | Github |
| Android | Tonyfield | Github |
| Raspberry Pi Pico | Shuichi Takano | Github |
| Raspberry Pi Pico with SD Card | Frank Hoedemakers | Github YouTube |
| PicoSystem | Frank Hoedemakers | Github |
| RP2040 with ILI9341 LCD | pondahai | Github YouTube |
| Murmulator | Ilya Maslennikov | Github |
| Picopad | Miroslav Nemecek | URL |
| A Virtual platform with the standard RISC-V processor | Zdenek Prikryl and Pavel Snobl | Paper Poster |
| PicoCalc | FuyukiYoneyama | Github |
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.