Hardware/Espresso

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Espresso is the code name for the Wii U's PowerPC processor.

Special Purpose Registers

Index Name Description
0x3b0 HID5[0] Enable HID5
0x3b0 HID5[1] Enable PIR
0x3B3 SCR[1] Enable bootrom (reset only)
0x3B4 SCR[2] Enable keystore 00..1f (reset only)
0x3B5 SCR[3] Enable keystore 20..3f (reset only)
0x3BB SCR[9] Start core 1
0x3BC SCR[10] Start core 2
0x3EF PIR CPU core index (Processor Index Register)