I/O Maps

EE Map

EE Timers

  • 100000xxh Timer 0
  • 100008xxh Timer 1
  • 100010xxh Timer 2
  • 100018xxh Timer 3

Image Processing Unit (IPU)

  • 10002000h 8h IPU Command
  • 10002010h 4h IPU Control
  • 10002020h 4h IPU bit pointer control
  • 10002030h 8h Top of bitstream
  • 10007000h 10h Out FIFO (read)
  • 10007010h 10h In FIFO (write)

Graphics Interface (GIF)

  • 10003000h 4h GIF_CTRL - Control register
  • 10003010h 4h GIF_MODE - Mode setting
  • 10003020h 4h GIF_STAT - Status
  • 10003040h 4h GIF_TAG0 - Bits 0-31 of tag before
  • 10003050h 4h GIF_TAG1 - Bits 32-63 of tag before
  • 10003060h 4h GIF_TAG2 - Bits 64-95 of tag before
  • 10003070h 4h GIF_TAG3 - Bits 96-127 of tag before
  • 10003080h 4h GIF_CNT - Transfer status counter
  • 10003090h 4h GIF_P3CNT - PATH3 transfer status counter
  • 100030A0h 4h GIF_P3TAG - Bits 0-31 of PATH3 tag when interrupted
  • 10006000h 10h GIF FIFO

DMA Controller (DMAC)

  • 100080xxh VIF0 - channel 0
  • 100090xxh VIF1 - channel 1
  • 1000A0xxh GIF - channel 2
  • 1000B0xxh IPU_FROM - channel 3
  • 1000B4xxh IPU_TO - channel 4
  • 1000C0xxh SIF0 - channel 5
  • 1000C4xxh SIF1 - channel 6
  • 1000C8xxh SIF2 - channel 7
  • 1000D0xxh SPR_FROM - channel 8
  • 1000D4xxh SPR_TO - channel 9
  • 1000E000h 4h D_CTRL - DMAC control
  • 1000E010h 4h D_STAT - DMAC interrupt status
  • 1000E020h 4h D_PCR - DMAC priority control
  • 1000E030h 4h D_SQWC - DMAC skip quadword
  • 1000E040h 4h D_RBSR - DMAC ringbuffer size
  • 1000E050h 4h D_RBOR - DMAC ringbuffer offset
  • 1000E060h 4h D_STADR - DMAC stall address
  • 1000F520h 4h D_ENABLER - DMAC disabled status
  • 1000F590h 4h D_ENABLEW - DMAC disable

Interrupt Controller (INTC)

  • 1000F000h 4h INTC_STAT - Interrupt status
  • 1000F010h 4h INTC_MASK - Interrupt mask Subsystem Interface (SIF)
  • 1000F200h 4h MSCOM - EE->IOP communication
  • 1000F210h 4h SMCOM - IOP->EE communication
  • 1000F220h 4h MSFLAG - EE->IOP flags
  • 1000F230h 4h SMFLAG - IOP->EE flags
  • 1000F240h 4h Control register

Privileged GS registers

  • 12000000h 8h PMODE - various PCRTC controls
  • 12000010h 8h SMODE1
  • 12000020h 8h SMODE2
  • 12000030h 8h SRFSH
  • 12000040h 8h SYNCH1
  • 12000050h 8h SYNCH2
  • 12000060h 8h SYNCV
  • 12000070h 8h DISPFB1 - display buffer for output circuit 1
  • 12000080h 8h DISPLAY1 - output circuit 1 control
  • 12000090h 8h DISPFB2 - display buffer for output circuit 2
  • 120000A0h 8h DISPLAY2 - output circuit 2 control
  • 120000B0h 8h EXTBUF
  • 120000C0h 8h EXTDATA
  • 120000D0h 8h EXTWRITE
  • 120000E0h 8h BGCOLOR - background color
  • 12001000h 8h GS_CSR - control register
  • 12001010h 8h GS_IMR - GS interrupt control
  • 12001040h 8h BUSDIR - transfer direction
  • 12001080h 8h SIGLBLID - signal

Misc registers

  • 1000F180h 1h KPUTCHAR - Console output
  • 1000F430h 4h MCH_DRD - RDRAM initialization
  • 1000F440h 4h MCH_RICM

IOP Map

Subsystem Interface (SIF)

  • 1D000000h 4h MSCOM - EE->IOP communication
  • 1D000010h 4h SMCOM - IOP->EE communication
  • 1D000020h 4h MSFLAG - EE->IOP flags
  • 1D000030h 4h SMFLAG - IOP->EE flags
  • 1D000040h 4h Control register

CDVD Drive

  • 1F402004h 1h Current N command
  • 1F402005h 1h N command status (R)
  • 1F402005h 1h N command params (W)
  • 1F402006h 1h Error
  • 1F402007h 1h Send BREAK command
  • 1F402008h 1h CDVD I_STAT - interrupt register
  • 1F40200Ah 1h Drive status
  • 1F40200Fh 1h Disk type
  • 1F402016h 1h Current S command
  • 1F402017h 1h S command status
  • 1F402018h 1h S command params

Interrupt Control

  • 1F801070h 4h I_STAT - Interrupt status
  • 1F801074h 4h I_MASK - Interrupt mask
  • 1F801078h 1h I_CTRL - Global interrupt disable

DMA registers

  • 1F80108xh MDECin - channel 0

  • 1F80109xh MDECout - channel 1

  • 1F8010Axh SIF2 (GPU) - channel 2

  • 1F8010Bxh CDVD - channel 3

  • 1F8010Cxh SPU2 Core0 - channel 4

  • 1F8010Dxh PIO - channel 5

  • 1F8010Exh OTC - channel 6

  • 1F80150xh SPU2 Core1 - channel 7

  • 1F80151xh DEV9 - channel 8

  • 1F80152xh SIF0 - channel 9

  • 1F80153xh SIF1 - channel 10

  • 1F80154xh SIO2in - channel 11

  • 1F80155xh SIO2out - channel 12

  • 1F8010F0h 4h DPCR - DMA priority control

  • 1F8010F4h 4h DICR - DMA interrupt control

  • 1F801570h 4h DPCR2 - DMA priority control 2

  • 1F801574h 4h DICR2 - DMA priority control 2

  • 1F801578h 4h DMACEN - DMA global enable

  • 1F80157Ch 4h DMACINTEN - DMA global interrupt control

IOP Timers

  • 1F80110xh Timer 0
  • 1F80111xh Timer 1
  • 1F80112xh Timer 2
  • 1F80148xh Timer 3
  • 1F80149xh Timer 4
  • 1F8014Axh Timer 5

Serial Interface (SIO2)

  • 1F808200h 40h SEND3 buffer
  • 1F808240h 20h SEND1/2 buffers
  • 1F808260h 1h In FIFO
  • 1F808264h 1h Out FIFO
  • 1F808268h 4h SIO2 control
  • 1F80826Ch 4h RECV1
  • 1F808270h 4h RECV2
  • 1F808274h 4h RECV3

Sound Processing Unit (SPU2)

  • 1F900000h 180h Core0 Voice 0-23 registers
  • 1F900190h 4h Key ON 0/1
  • 1F900194h 4h Key OFF 0/1
  • 1F90019Ah 2h Core attributes
  • 1F90019Ch 4h Interrupt address H/L
  • 1F9001A8h 4h DMA transfer address H/L
  • 1F9001ACh 2h Internal transfer FIFO
  • 1F9001B0h 2h AutoDMA status
  • 1F9001C0h 120h Core0 Voice 0-23 start/loop/next addresses
  • 1F900340h 4h ENDX 0/1
  • 1F900344h 2h Status register

above addresses repeat for Core1 starting at 1F900400h

  • 1F900760h 2h Master Volume Left
  • 1F900762h 2h Master Volume Right
  • 1F900764h 2h Effect Volume Left
  • 1F900766h 2h Effect Volume Right
  • 1F900768h 2h Core1 External Input Volume Left
  • 1F90076Ah 2h Core1 External Input Volume Right