PICO-8
- yocto-8/yocto-8: A (WIP) PICO-8 cartridge runner for the Raspberry Pi Pico
https://github.com/yocto-8/yocto-8
Mac
- evansm7/pico-mac: Run the popular umac emulator right on your Pi Pico!
https://github.com/evansm7/pico-mac
Commodore 64
- cknave/c64-pico-ram-interface: Let your Raspberry Pi Pico pretend to be a Commodore 64 ROM cartridge
https://github.com/cknave/c64-pico-ram-interface
ZX Spectrum
- fruit-bat/pico-zxspectrum: ZX Spectrum for Raspberry Pico Pi RP2040
https://github.com/fruit-bat/pico-zxspectrum
Atari 8-bit
- robinhedwards/A8PicoCart: UnoCart on a Raspberry Pi Pico clone
https://github.com/robinhedwards/A8PicoCart
- sidecartridge/atarist-sidecart-raspberry-pico: AtariST cartridge emulator based on Raspberry Pi Pico and RP2040
https://github.com/sidecartridge/atarist-sidecart-raspberry-pico
- ShadeReogen/PicoNtrol: Bluetooth Adapter for retro consoles using their native controller port and a Raspberry Pi Pico W
https://github.com/ShadeReogen/PicoNtrol
FM-7
- RaspberryPi PicoでFM-7を動かす！ - レトロパソコンであそぼう！
https://pocketgriffon.hatenablog.com/entry/2021/11/24/212303
CP/M
- guidol70/RunCPM_RPi_Pico: RunCPM for the Raspberry Pico
https://github.com/guidol70/RunCPM_RPi_Pico
Transputer
- blackjetrock/picoputer: Raspberry Pi Pico Transputer Emulator
https://github.com/blackjetrock/picoputer
x86エミュレーター
- mathijsvandenberg/picox86: x86 emulator on Raspberry Pi Pico
https://github.com/mathijsvandenberg/picox86
VDP
- visrealm/pico9918: A replacement for the classic TMS9918A/TMS9929A VDP, powered by a Raspberry Pi Pico
https://github.com/visrealm/pico9918
ROMエミュレーター
レトロPCのROMを外して、PicoをROMとして動作させることができるようです。
- nickbild/picoROM: Emulate ROM chips with a Raspberry Pi Pico.
https://github.com/nickbild/picoROM
- rhulme/picoROM_pio: PIO/DMA implementation of picoROM project to simulate an EEPROM using a Raspberry Pico
https://github.com/rhulme/picoROM_pio
BIOS
- MrGreensWorkshop/RasPiPicoSDK-PicoBiosPostCodeReader: DIY BIOS POST Card with the Raspberry Pi Pico over the LPC bus
https://github.com/MrGreensWorkshop/RasPiPicoSDK-PicoBiosPostCodeReader
ISAカード
- (Youtube) ISA Blaster: A software-defined ISA card based on a Raspberry Pi Pico (Part 1)
https://www.youtube.com/watch?v=8HuxukpbsAE
- polpo/picogus: Emulation of ISA sound cards on Raspberry Pi Pico (GUS, SB/Adlib, MPU-401, Tandy, CMS) with USB mouse/joystick support
https://github.com/polpo/picogus
SCSI
- ９８で「BlueSCSI V2」を使う！
https://projectmps.net/ardscsino_bluescsi.htm
USB→PS/2変換
- No0ne/ps2x2pico: USB keyboard/mouse to PS/2 interface converter using a Raspberry Pi Pico
https://github.com/No0ne/ps2x2pico
- No0ne/ps2pico: USB keyboard to PS/2 / AT / XT interface converter using a Raspberry Pi Pico
https://github.com/No0ne/ps2pico
ポケコン
- RaspberryPi PicoでPC-1360エミュレータ！ - レトロパソコンであそぼう！
https://pocketgriffon.hatenablog.com/entry/2022/03/16/221136
Homebrewコンピューター
- visrealm/pico-56: The HBC-56 (65C02/TMS9918A/AY-3-8910 retro computer) fully emulated on a Raspberry Pi Pico
https://github.com/visrealm/pico-56
- Neotron-Compute/Neotron-Pico: A Neotron powered by the Raspberry Pi Pico
https://github.com/Neotron-Compute/Neotron-Pico