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MMIO Interfaces
Name
|
Physical address
|
SceGpio0Reg
|
0xE20A0000
|
SceGpio1Reg
|
0xE0100000
|
Registers
Offset
|
Size
|
Description
|
0x00
|
4
|
Port mode (1 bit each port)
|
0x04
|
4
|
Port read (1=low, 0=high?) (1 bit each port)
|
0x08
|
4
|
Port set (1 bit each port)
|
0x0C
|
4
|
Port clear (1 bit each port)
|
0x14
|
4
|
Interrupt mode (2 bits) for interrupts 0-15
|
0x18
|
4
|
Interrupt mode (2 bits) for interrupts 16-31
|
0x34
|
4
|
?? (1 bit each port)
|
Gpio0 ports
Bit
|
Description
|
6
|
Game card LED
|
7
|
PS Button Blue LED
|