spu: start offload code to TI C64x DSP

[pcsx_rearmed.git] / plugins / dfsound / dma.c

diff --git a/plugins/dfsound/dma.c b/plugins/dfsound/dma.c
index 8d647ff..4798a19 100644 (file)
--- a/plugins/dfsound/dma.c
+++ b/plugins/dfsound/dma.c
@@ -27,9 +27,9 @@
 \r
 unsigned short CALLBACK SPUreadDMA(void)\r
 {\r
- unsigned short s=spu.spuMem[spu.spuAddr>>1];\r
- spu.spuAddr+=2;\r
- if(spu.spuAddr>0x7ffff) spu.spuAddr=0;\r
+ unsigned short s = *(unsigned short *)(spu.spuMemC + spu.spuAddr);\r
+ spu.spuAddr += 2;\r
+ spu.spuAddr &= 0x7fffe;\r
 \r
  return s;\r
 }\r
@@ -47,9 +47,9 @@ void CALLBACK SPUreadDMAMem(unsigned short *pusPSXMem, int iSize,
 \r
  for(i=0;i<iSize;i++)\r
   {\r
-   *pusPSXMem++=spu.spuMem[spu.spuAddr>>1];            // spu addr got by writeregister\r
-   spu.spuAddr+=2;                                     // inc spu addr\r
-   if(spu.spuAddr>0x7ffff) spu.spuAddr=0;              // wrap\r
+   *pusPSXMem++ = *(unsigned short *)(spu.spuMemC + spu.spuAddr);\r
+   spu.spuAddr += 2;\r
+   spu.spuAddr &= 0x7fffe;\r
   }\r
 }\r
 \r
@@ -67,10 +67,10 @@ void CALLBACK SPUreadDMAMem(unsigned short *pusPSXMem, int iSize,
   \r
 void CALLBACK SPUwriteDMA(unsigned short val)\r
 {\r
- spu.spuMem[spu.spuAddr>>1] = val;                     // spu addr got by writeregister\r
+ *(unsigned short *)(spu.spuMemC + spu.spuAddr) = val;\r
 \r
- spu.spuAddr+=2;                                       // inc spu addr\r
- if(spu.spuAddr>0x7ffff) spu.spuAddr=0;                // wrap\r
+ spu.spuAddr += 2;\r
+ spu.spuAddr &= 0x7fffe;\r
 }\r
 \r
 ////////////////////////////////////////////////////////////////////////\r
@@ -86,16 +86,16 @@ void CALLBACK SPUwriteDMAMem(unsigned short *pusPSXMem, int iSize,
 \r
  if(spu.spuAddr + iSize*2 < 0x80000)\r
   {\r
-   memcpy(&spu.spuMem[spu.spuAddr>>1], pusPSXMem, iSize*2);\r
+   memcpy(spu.spuMemC + spu.spuAddr, pusPSXMem, iSize*2);\r
    spu.spuAddr += iSize*2;\r
    return;\r
   }\r
 \r
  for(i=0;i<iSize;i++)\r
   {\r
-   spu.spuMem[spu.spuAddr>>1] = *pusPSXMem++;          // spu addr got by writeregister\r
-   spu.spuAddr+=2;                                     // inc spu addr\r
-   spu.spuAddr&=0x7ffff;                               // wrap\r
+   *(unsigned short *)(spu.spuMemC + spu.spuAddr) = *pusPSXMem++;\r
+   spu.spuAddr += 2;\r
+   spu.spuAddr &= 0x7fffe;\r
   }\r
 }\r
 \r