Emotion Engine (EE)

The EE is the 'main'¹ CPU of the PS2. Also known as the R5900, it is a custom MIPS core designed by Sony and Toshiba.

EE Reference:

• The EE Architecture
• EE Registers
• EE Instruction Decoding
• EE RDRAM initialization
• EE COP0 Registers
• EE COP0 Exception Handling
• EE COP0 Memory Management
• EE COP0 Caches
• EE COP0 Timer
• EE COP1 Registers
• EE COP1 Floating Point Format
• EE Timers

1. the IOP CPU is the real main CPU ↩