How to Build a Minimal PS3 Program That Runs on RPCS3 Emulator

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A developer tutorial published on DEV Community walks through the full process of building a minimal PlayStation 3 program capable of running on the RPCS3 emulator. Unlike a standard Hello World on a modern PC, a PS3 executable requires a cross-compiler, a SELF-format binary, a game directory tree, and several metadata files including PARAM.SFO and PS3_DISC.SFB. The guide uses Docker to provide a reproducible build environment and makes each compilation step explicit so readers can understand its purpose. Tools such as ps3toolchain and PSL1GHT supply the necessary compilers and build rules, while RPCS3's source code was consulted to identify the file paths and checks performed at load time. The end result is a working ISO 9660 image containing a PPU program that prints a greeting, structured exactly as RPCS3 expects a disc-based game to be organised.

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