diff options
Diffstat (limited to 'include/gba/macro.h')
| -rw-r--r-- | include/gba/macro.h | 89 |
1 files changed, 86 insertions, 3 deletions
diff --git a/include/gba/macro.h b/include/gba/macro.h index d9e6739b3..ab42c9da3 100644 --- a/include/gba/macro.h +++ b/include/gba/macro.h @@ -87,7 +87,7 @@ #define DmaCopyLarge(dmaNum, src, dest, size, block, bit) \ { \ const void *_src = src; \ - void *_dest = dest; \ + void *_dest = (void *)(dest); \ u32 _size = size; \ while (1) \ { \ @@ -105,7 +105,7 @@ #define DmaClearLarge(dmaNum, dest, size, block, bit) \ { \ - const void *_dest = dest; \ + void *_dest = dest; \ u32 _size = size; \ while (1) \ { \ @@ -129,7 +129,7 @@ #define DmaCopyDefvars(dmaNum, src, dest, size, bit) \ { \ const void *_src = src; \ - void *_dest = dest; \ + void *_dest = (void *)(dest); \ u32 _size = size; \ DmaCopy##bit(dmaNum, _src, _dest, _size); \ } @@ -137,4 +137,87 @@ #define DmaCopy16Defvars(dmaNum, src, dest, size) DmaCopyDefvars(dmaNum, src, dest, size, 16) #define DmaCopy32Defvars(dmaNum, src, dest, size) DmaCopyDefvars(dmaNum, src, dest, size, 32) +#define DmaFillLarge(dmaNum, fillval, dest, size, block, bit) \ +{ \ + void *_dest = (void *)(dest); \ + u32 _size = (u32)(size); \ + while (1) \ + { \ + DmaFill##bit(dmaNum, fillval, _dest, (block)); \ + _dest += (block); \ + _size -= (block); \ + if (_size <= (block)) \ + { \ + DmaFill##bit(dmaNum, fillval, _dest, _size); \ + break; \ + } \ + } \ +} + +#define DmaFill16Large(dmaNum, fillval, dest, size, block) DmaFillLarge(dmaNum, fillval, dest, size, block, 16) +#define DmaFill32Large(dmaNum, fillval, dest, size, block) DmaFillLarge(dmaNum, fillval, dest, size, block, 32) + +#define DmaFillDefvars(dmaNum, fillval, dest, size, bit) \ +{ \ + void *_dest = (void *)(dest); \ + u32 _size = (u##bit)(size); \ + DmaFill##bit(dmaNum, fillval, _dest, _size); \ +} + +#define DmaFill16Defvars(dmaNum, fillval, dest, size) DmaFillDefvars(dmaNum, fillval, dest, size, 16) +#define DmaFill32Defvars(dmaNum, fillval, dest, size) DmaFillDefvars(dmaNum, fillval, dest, size, 32) + +// from pokeemerald +// Maximum amount of data we will transfer in one operation +#define MAX_DMA_BLOCK_SIZE 0x1000 + +#define MAX_DMA_REQUESTS 128 + +#define DMA_REQUEST_COPY32 1 +#define DMA_REQUEST_FILL32 2 +#define DMA_REQUEST_COPY16 3 +#define DMA_REQUEST_FILL16 4 + +#define Dma3CopyLarge_(src, dest, size, bit) \ +{ \ + const void *_src = src; \ + void *_dest = dest; \ + u32 _size = size; \ + while (1) \ + { \ + if (_size <= MAX_DMA_BLOCK_SIZE) \ + { \ + DmaCopy##bit(3, _src, _dest, _size); \ + break; \ + } \ + DmaCopy##bit(3, _src, _dest, MAX_DMA_BLOCK_SIZE); \ + _src += MAX_DMA_BLOCK_SIZE; \ + _dest += MAX_DMA_BLOCK_SIZE; \ + _size -= MAX_DMA_BLOCK_SIZE; \ + } \ +} + +#define Dma3CopyLarge16_(src, dest, size) Dma3CopyLarge_(src, dest, size, 16) +#define Dma3CopyLarge32_(src, dest, size) Dma3CopyLarge_(src, dest, size, 32) + +#define Dma3FillLarge_(value, dest, size, bit) \ +{ \ + void *_dest = dest; \ + u32 _size = size; \ + while (1) \ + { \ + if (_size <= MAX_DMA_BLOCK_SIZE) \ + { \ + DmaFill##bit(3, value, _dest, _size); \ + break; \ + } \ + DmaFill##bit(3, value, _dest, MAX_DMA_BLOCK_SIZE); \ + _dest += MAX_DMA_BLOCK_SIZE; \ + _size -= MAX_DMA_BLOCK_SIZE; \ + } \ +} + +#define Dma3FillLarge16_(value, dest, size) Dma3FillLarge_(value, dest, size, 16) +#define Dma3FillLarge32_(value, dest, size) Dma3FillLarge_(value, dest, size, 32) + #endif // GUARD_GBA_MACRO_H |