Other Sites:

PSXDEV - The Ultimate Resource for anything related to PS1 Development (Docs, Software, Tools, etc.)

DanHans42 personal PSX Blog - https://psx0.wordpress.com/

ObscureGamer’s Section on Sony Playstation 1 Programming & Tool-sets

https://psx.amidog.se/doku.php

Documentation:

MIPS Instruction Set - The MIPS instruction set for the PlayStation 1 R3000A CPU.

Playstation Memory Map & Docs

NoCa$h’s PS1 Documentation - See https://psx-spx.github.io/ for community-sourced updates

Padua’s Playstation 1 Resource - A great wealth of technical info on the Playstation 1; very Assembly language heavy.

“Introduction to PlayStation research, presented by Dr.Hell”

Dr.Hell’s PocketStation Documentation

Reverse Engineering:

https://github.com/JaCzekanski/ps1-tests - Collection of PlayStation 1 tests for emulator development

https://github.com/ogamespec/psxdev - Sony PlayStation chips reverse engineering.

https://github.com/Laxer3a/MDEC - Attempt to verilog Implementation of Playstation 1 (PSX) chips.

https://github.com/pgate1/PlayStation_on_FPGA - Playstation on an FPGA

https://github.com/emvivre/Sony-PS1-executable-disassembler - Simple disassembler of Sony Playstation executable (MIPS R3000A instruction set).

https://github.com/Happy-Ferret/sym - Parse Playstation 1 symbol files (*.SYM).

https://github.com/infval/SlowR3KA - PlayStation 1 Disassembler (MIPS R3000A)

https://github.com/MonstersGoBoom/mips32 - mips32 disassembler and maybe emulator at some point

Hardware Modifications/Adapters:

https://github.com/c0pperdragon/PS1YPbPrAdapter - Sony Playstation YPbPr Adapter

https://github.com/alekexe/Pandora-PS1-Mod - Pandora, an open source ESP8266 modchip for the Sony Playstation 1

https://github.com/kalymos/PsNee - PsNee, an open source stealth modchip for the Sony Playstation 1

https://github.com/ColdHeat/PsNeePy - A Playstation 1 Modchip written in Python

Emulators:

https://github.com/tetious/pcsxr - PCSX-Reloaded is a PlayStation Emulator based on PCSX-df 1.9, with support for Windows, GNU/Linux and Mac OS X.

https://github.com/joroOnLinux/pcsxr-1.9.92-Optimized

https://github.com/briaguya/gpuPeopsOpenGL-camera - PSX Open GL Graphics plugin with camera movement

https://github.com/myst6re/highly_experimental - PSX Emulator made to emulate the SPU

https://github.com/thentenaar/psx-gs - Gameshark Plugin for ePSXe 1.6-1.9

SDKs/Toolchains/Libraries:

PS1 Psy-Q SDK - Altered and Messy but Ready to Run. Use with Runtime Library 4.6

[PSn00bSDK] (https://github.com/Lameguy64/PSn00bSDK) - The most powerful open source SDK for the PS1, by LameGuy64. A video of it in action, can be viewed here

https://github.com/JaCzekanski/psn00bsdk-docker - Docker image for PSn00bSDK development

https://github.com/liangchunn/psn00b-docker - Docker Image for PSX Dev based on Psn00bsdk

https://github.com/nathanhi/psxsdk - PSXSDK version 0.5

https://github.com/XaviDCR92/psxsdk-20150729 - Fork of official 0.599 version of PSXSDK with new experimental features.

https://github.com/ggrtk/psxsdk-20190410 - Mirror of official 0.6.2 PSXSDK release with additional comments, precompiled x86_64 Linux binaries (deprecated)

https://github.com/eagarciam/psxsdk - Mirror of the previous mirror

https://github.com/XaviDCR92/psxsdk - Fork of psxsdk-20190410 with minor tweaks (recommended version of psxsdk)

https://github.com/ChenThread/candyk-psx - PlayStation 1 Will Never Die - Topic set on 2014-05-04

https://github.com/ChenThread/candyk-packages - Pacman package recipes for CandyK SDK

https://github.com/Kannagi/LMP3D - Multi Platform 3D Library for PlayStation 1 / etc..

https://github.com/olirehacek/Yaroze.net - Open-Source Sony Playstation 1 development tools.

https://github.com/ChrisRx/mipsel-ecoff-toolchain - Net Yaroze cross compiler toolchain for linux

https://github.com/plekakis/psxdev - PSX development toolkit

https://github.com/ChrisRx/psxsdk - psxsdk is a collection of tools and libraries for Playstation 1 development

https://github.com/g4jc/psxdev - Recovered files from PSXDev.de for PSOne indie game development on GNU/Linux.

https://github.com/lmirel/fatfs_psx - embedded fatfs/exfat implementation for psx

https://github.com/impiaaa/psx-newlib - Newlib on the PlayStation 1

https://github.com/JustinLloyd/SONY-PSX-Debug-Font - SONY PSX Debug Font

https://github.com/AustinMooreT/PSX_MauriceLib - Work in progress high level library for PlayStation 1 development using psy-q.

Programming Resources:

Krom’s Playstation 1 ASM Tutorial Lessons

Orionsoft’s PSX Programming Tutorial Series - 2013

Hitman’s Playstation Archive - Great info & resources (last updated 2013) regarding programming on the Playstation 1.

James’ PSX Getting Started Tutorial - Great info (last updated 2013) regarding programming on the Playstation 1.

Net Yaroze Website Backups - Includes a bunch of official documentation, various tools & updates for pc/mac, as well as tutorials & samples for developing for the PS1 and Net Yaroze.

https://github.com/MatthewJohn/JurgHurg-PS1-tutorial - PS1 Homebrew Tutorial Code examples from Jurg Hurg Source from videos.

https://github.com/giulioz/PSX-Example - Example for building programs for Sony Playstation 1 (PSX), using Docker.

https://github.com/Bigbudddo/psx-pong - A repo for building and learning how to create games for the Playstation 1 (PSX). It will be a simple game of Pong.

https://github.com/williamblair/PSX_App - Class for making Playstation 1 apps using PSYQ

Miscellaneous Tools/Utilities/Other:

PSn00b-Debugger - An Open source debugging utility for the Original PlayStation, by LameGuy64.

LiteLoad - A fairly light weight serial loader for the PlayStation, by LameGuy64

MKPSXISO - An ISO Image Maker made specifically for PlayStation Homebrew Development, by LameGuy64.

Mcomms - Serial uploader, monitor and SioFS host for PlayStation homebrew development, by LameGuy64.

SMX Tool - PlayStation RSD and SMX model data editing tool, by LameGuy64.

Siofs-PSX - SioFS client library for accessing files from a PC host on the Sony PlayStation, by LameGuy64.

PSX Blender RSD Plugin - A Blender Plug-in for Exporting Models in PlayStation SDK RSD Format, by LameGuy64.

ISODump - PlayStation ISO Content Extraction Tool, by LameGuy64.

Img2TIM - An Image to PlayStation TIM File Converter, by LameGuy64.

PSXNet - A simple library and client program to get the original PlayStation to connect to the internet, by LameGuy64.

PSXDev-VRAM Viewer - Playstation 1 Development - VRAM viewer for Orion_’s PsxLib, by David Asselineau.

https://github.com/danhans42/nxflash - NXFLASH Xplorer/Xplorer/AR/GS Flasher for Sony PlayStation

https://github.com/danhans42/sioload - Serial EXE Loader for Sony PlayStation

https://github.com/ShendoXT/padtest - Gamepad Test application for Playstation 1

https://github.com/filipalac/240pTestSuite-PS1 - A homebrew video suite for playstation 1

https://github.com/ShendoXT/ps1cardlink - PlayStation 1 Memory Card reader/data transfer software

https://github.com/ArthCarvalho/img2tim - (Palette preservation, proper 4 bit support that works with most modern software such as Aseprite and others that can’t export 4bit bmps)

https://github.com/romhack/PsxVram-SDL - PSX VRAM Viewer

https://github.com/raphnet/psxmemcardmgr - PSX Memory Card Manager

https://github.com/Lameguy64/psxnet - A simple library and client program to get the original PlayStation to connect to the internet.

https://github.com/XaviDCR92/OpenSend - PSX application to upload PSX-EXE dinamically.

https://github.com/apiraino/psx_pxfinder - A tool for Playstation 1 to retrieve screen coordinates using a crosshair

https://github.com/gwald/Yarexe - converts Net Yaroze ecoff and siocon’s script to a psx.exe

https://github.com/dantob/psxmcr - dump data from a psx save file (raw or mcs)

https://github.com/paulsapps/ukcom - A PSX USB comms link

https://github.com/dezgeg/VdfViewer - PSX VDF (Vertex Difference Format) animation viewer

https://github.com/dx4m/x-flash-psx-toolset - X-Flash Toolset to check, generate, pack and unpack a ROMFILE.DAT for the X-Flash eeprom flashing software.

https://github.com/paulguy/ddread - Read PS1 or N64 memory cards using a dexdrive.

https://github.com/CodeAsm/PS1Linux - Linux for the original sony playstation one.

https://github.com/taka-tuos/memcarduinoplus - PS1 Memory Card Dumper With Arduino

https://github.com/ChenThread/fromage - PlayStation 1 voxel engine

https://github.com/cebix/psximager - Tools for dumping and mastering PlayStation 1 (“PSX”) CD-ROM images

https://github.com/pyroesp/PlayStation-1-Reset-Mod - PlayStation 1 Controller Combo Reset mod.

https://github.com/loveemu/seq2mid - Playstation 1 SEQ to MIDI converter, and its variants

https://github.com/ColdSauce/Taco-Browser - Internet Browser for the Playstation 1

https://github.com/ShendoXT/biosdumper - PlayStation 1 bios dumping tool

https://github.com/ArthCarvalho/PSX-LZ77 - An assembly optimized LZ77 decompressor for the PlayStation 1.

https://github.com/apiraino/psx_pxfinder - A tool for Playstation 1 to retrieve screen coordinates using a crosshair

https://github.com/XaviDCR92/rspsxserial - A command line application which enables serial communications against a PlayStation 1

Retail PS1 Source Code:

https://github.com/philosophofee/SBSPSS - The source code repository for the PlayStation 1 game, SpongeBob SquarePants: SuperSponge

Source Code Examples:

https://github.com/JonathanDotCel/helloworld_and_flappycredits

https://github.com/XaviDCR92/Pinballoid - Open-source Sony PlayStation 1 (PSX) video game

https://github.com/apiraino/psx_tapper - A Tapper clone for Playstation 1.

https://github.com/electrobs/TEST-PSX-GLFW-Moving_Square - Test program to compile a simple application on Linux and the PlayStation (original)

https://github.com/ProFiLeR4100/psx-flappy-bird - Flappy Bird for the PS1

https://github.com/emvivre/3D-Point-Cloud-PSX-Demo - This is a PSX demo for the PSXDEV Codeblast ‘14 competition.

https://github.com/fabiopallini/ps1-graphics-demo - PlayStation 1 3D graphics Demo

https://github.com/EvelynRiales/Danger-Force-Psyq - Danger force written in C for classic consoles using the official Psyq SDK

https://github.com/jmiller656/PS1-Experimentation - Making Playstation games using psyq sdk

https://github.com/fanzyflani/ld33 - Frametime - a PS1 game for the LD33 Jam category

https://github.com/julian-goldsmith/ps1 - Old code for the PlayStation.

https://github.com/dominictoms/leek-quest-ps1 - sprite based ps1 game

https://github.com/fanzyflani/mld62 - Currently unnamed PS1 game for MiniLD62.

https://github.com/MatthewJohn/PS1_Pong - Another PONG Clone

https://github.com/OfficialMoonlit/ButtonMasher - Basic reaction time game for PS1

https://github.com/OfficialMoonlit/RPS-PS1-v1 - Rock Paper Scissors for PS1: Text Version

https://github.com/scnipper/PS1Games - source for WIP game creation (tic tac toe example)

https://github.com/sleepingburrito/QuadrilateralConundrum - Quadrilateral Conundrum is a simple Tetris homebrew clone for ps1.

https://github.com/dhustkoder/pschip8 - PlayStation 1 Chip8 Interpreter

https://github.com/komos90/psx-dev - A repo for bare metal psx mips stuff

https://github.com/johanfredin/psx-dev - more Code Examples.

https://github.com/micklemacklemore/mikesPlaystationStuff - I’m learning to make Playstation 1 games with C

https://github.com/david4599/Devinette-for-Playstation-1 - Guessing Game (more or less) for the Playstation 1.

https://github.com/jonipievilainen/playstation-1-game-dev

https://github.com/petrusd987/PSXTemplate - A simple template for a Playstation 1 game using PSXSDK

https://github.com/aaronjamt/3-Player-Pong - A 3-player WIP Pong-style game that links a TI-86 Graphing Calculator and a Sony PlayStation 1 through a network. Players 1 and 2 use the PlayStation, while Player 3 can affect the game using the calculator.

https://github.com/aj50009/psge - playstation 1 game engine (psge) (not completed/never finished)

https://github.com/zid/psx - PSX example code remote backup

https://github.com/megakode/psx-lighting-example - Simple lighting example for the Playstation 1

https://github.com/Monakou/PSX_Programs - programs written for the PlayStation 1, using PsyQ libraries

https://github.com/vinicyusmacedo/psxdev-experiments - Some PSX experiments http://www.psxdev.net/help.html

https://github.com/williamblair/PSX-Lowlevel - Low level playstation 1 programming (no sdk)

https://github.com/williamblair/PSYQ_cplusplus - C++ implementation of psyq tutorial/example programs for the sony playstation 1 (psx)

https://github.com/Chip-84/chip-84-psx - Chip-84 port to the PlayStation 1

https://github.com/Bigbudddo/psx-block-breaker - First attempt at creating a PlayStation 1 (PSX) game from scratch without following tutorial games and only using documentation.

https://github.com/AlekseyKolesnikov/Classic-Card-Games-PSX - This is a game for PSX (PlayStation 1), written at 2000. (source code)

https://github.com/williamblair/psn00b_progs - Playstation 1 Programs using PSn00bSDK

https://github.com/L-proger/PS1Dev - PlayStation1 sandbox project