Reality Signal Processor/Interface: Difference between revisions

|-

|0x0404 0000

|SP_DMA_SPADDR

|Address in IMEM/DMEM for a DMA transfer

|-

|0x0404 0004

|SP_DMA_RAMADDR

|Address in RDRAM for a DMA transfer

|-

|0x0404 0008

|SP_DMA_RDLEN

|Length of a DMA transfer. Writing this register triggers a DMA transfer from RDRAM to IMEM/DMEM

|-

|0x0404 000C

|SP_DMA_WRLEN

|Length of a DMA transfer. Writing this register triggers a DMA transfer from IMEM/DMEM to RDRAM.

|-

|0x0404 0010

|SP_STATUS

|RSP status register.

|-

|0x0404 0014

|SP_DMA_FULL

|Report whether there is a pending DMA transfer (mirror of <code>DMA_FULL</code> bit of SP_STATUS)

|-

|0x0404 0018

|SP_DMA_BUSY

|Report whether there is a DMA transfer in progress (mirror of <code>DMA_BUSY</code> bit of SP_STATUS)

|-

|0x0404 001C

|SP_SEMAPHORE

|Register to assist implementing a simple mutex between VR4300 and RSP.