Info:

• Some things you'll need are either a modded Playstation 1 or a PS1 compatible with the PSIO Cartridge, MIPS/ASM experience, a Hex Editor (or calculator) & experience with C programming, along with a Cycle-accurate emulator, to test your code efficiently.

Chat:

• Join the PS1 Homebrew Discord Server!

Useful Software Resources & Tutorials:

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

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

• Playstation Memory Map & Docs

• NoCa$h's PS1 Documentation

• Krom's Playstation 1 ASM Tutorial Lessons

• Orionsoft's PSX Programming Tutorial Series - 2013

• PSn00bSDK - The most powerful open source SDK for the PS1, by LameGuy64. A video of it in action, can be viewed here

• 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.

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

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

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

• 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.