1.1 --- a/src/asic.c	Tue Sep 09 00:51:43 2008 +0000
     1.2 +++ b/src/asic.c	Wed Sep 10 02:03:20 2008 +0000
     1.3 @@ -351,6 +351,28 @@
     1.4      asic_event( EVENT_PVR_DMA );
     1.5  }
     1.6  
     1.7 +void pvr_dma2_transfer()
     1.8 +{
     1.9 +    if( MMIO_READ( EXTDMA, PVRDMA2CTL2 ) == 1 ) {
    1.10 +        if( MMIO_READ( EXTDMA, PVRDMA2CTL1 ) == 1 ) {
    1.11 +            sh4addr_t extaddr = MMIO_READ( EXTDMA, PVRDMA2EXT );
    1.12 +            sh4addr_t sh4addr = MMIO_READ( EXTDMA, PVRDMA2SH4 );
    1.13 +            int dir = MMIO_READ( EXTDMA, PVRDMA2DIR );
    1.14 +            uint32_t length = MMIO_READ( EXTDMA, PVRDMA2SIZ );
    1.15 +            unsigned char buf[length];
    1.16 +            if( dir == 0 ) { /* SH4 to PVR */
    1.17 +                mem_copy_from_sh4( buf, sh4addr, length );
    1.18 +                mem_copy_to_sh4( extaddr, buf, length );
    1.19 +            } else { /* PVR to SH4 */
    1.20 +                mem_copy_from_sh4( buf, extaddr, length );
    1.21 +                mem_copy_to_sh4( sh4addr, buf, length );
    1.22 +            }
    1.23 +            MMIO_WRITE( EXTDMA, PVRDMA2CTL2, 0 );
    1.24 +            asic_event( EVENT_PVR_DMA2 );
    1.25 +        }
    1.26 +    }
    1.27 +}
    1.28 +
    1.29  void sort_dma_transfer( )
    1.30  {
    1.31      sh4addr_t table_addr = MMIO_READ( ASIC, SORTDMATBL );
    1.32 @@ -615,9 +637,8 @@
    1.33          break;
    1.34      case PVRDMA2CTL1:
    1.35      case PVRDMA2CTL2:
    1.36 -        if( val != 0 ) {
    1.37 -            ERROR( "Write to unimplemented DMA control register %08X", reg );
    1.38 -        }
    1.39 +        MMIO_WRITE( EXTDMA, reg, val & 1 );
    1.40 +        pvr_dma2_transfer();
    1.41          break;
    1.42      default:
    1.43          MMIO_WRITE( EXTDMA, reg, val );

     2.1 --- a/src/asic.h	Tue Sep 09 00:51:43 2008 +0000
     2.2 +++ b/src/asic.h	Wed Sep 10 02:03:20 2008 +0000
     2.3 @@ -182,6 +182,7 @@
     2.4  #define EVENT_PVR_OPAQUEMOD_DONE 8
     2.5  #define EVENT_PVR_TRANS_DONE 9
     2.6  #define EVENT_PVR_TRANSMOD_DONE 10
     2.7 +#define EVENT_PVR_DMA2 11
     2.8  #define EVENT_MAPLE_DMA 12
     2.9  #define EVENT_MAPLE_ERR 13 /* ??? */
    2.10  #define EVENT_IDE_DMA 14