mirror of
https://github.com/Ninjdai1/pokeemerald.git
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196 lines
10 KiB
C
196 lines
10 KiB
C
#ifndef GUARD_GBA_MACRO_H
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#define GUARD_GBA_MACRO_H
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#define CPU_FILL(value, dest, size, bit) \
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{ \
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vu##bit tmp = (vu##bit)(value); \
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CpuSet((void *)&tmp, \
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dest, \
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CPU_SET_##bit##BIT | CPU_SET_SRC_FIXED | ((size)/(bit/8) & 0x1FFFFF)); \
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}
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#define CpuFill16(value, dest, size) CPU_FILL(value, dest, size, 16)
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#define CpuFill32(value, dest, size) CPU_FILL(value, dest, size, 32)
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#define CPU_COPY(src, dest, size, bit) CpuSet(src, dest, CPU_SET_##bit##BIT | ((size)/(bit/8) & 0x1FFFFF))
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#define CpuCopy16(src, dest, size) CPU_COPY(src, dest, size, 16)
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#define CpuCopy32(src, dest, size) CPU_COPY(src, dest, size, 32)
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#define CpuFastFill(value, dest, size) \
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{ \
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vu32 tmp = (vu32)(value); \
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CpuFastSet((void *)&tmp, \
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dest, \
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CPU_FAST_SET_SRC_FIXED | ((size)/(32/8) & 0x1FFFFF)); \
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}
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#define CpuFastFill16(value, dest, size) CpuFastFill(((value) << 16) | (value), (dest), (size))
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#define CpuFastFill8(value, dest, size) CpuFastFill(((value) << 24) | ((value) << 16) | ((value) << 8) | (value), (dest), (size))
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#define CpuFastCopy(src, dest, size) CpuFastSet(src, dest, ((size)/(32/8) & 0x1FFFFF))
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#define DmaSet(dmaNum, src, dest, control) \
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{ \
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vu32 *dmaRegs = (vu32 *)REG_ADDR_DMA##dmaNum; \
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dmaRegs[0] = (vu32)(src); \
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dmaRegs[1] = (vu32)(dest); \
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dmaRegs[2] = (vu32)(control); \
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dmaRegs[2]; \
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}
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#define DMA_FILL(dmaNum, value, dest, size, bit) \
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{ \
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vu##bit tmp = (vu##bit)(value); \
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DmaSet(dmaNum, \
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&tmp, \
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dest, \
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(DMA_ENABLE | DMA_START_NOW | DMA_##bit##BIT | DMA_SRC_FIXED | DMA_DEST_INC) << 16 \
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| ((size)/(bit/8))); \
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}
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#define DmaFill16(dmaNum, value, dest, size) DMA_FILL(dmaNum, value, dest, size, 16)
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#define DmaFill32(dmaNum, value, dest, size) DMA_FILL(dmaNum, value, dest, size, 32)
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// Note that the DMA clear macros cause the DMA control value to be calculated
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// at runtime rather than compile time. The size is divided by the DMA transfer
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// unit size (2 or 4 bytes) and then combined with the DMA control flags using a
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// bitwise OR operation.
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#define DMA_CLEAR(dmaNum, dest, size, bit) \
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{ \
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vu##bit *_dest = (vu##bit *)(dest); \
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u32 _size = size; \
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DmaFill##bit(dmaNum, 0, _dest, _size); \
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}
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#define DmaClear16(dmaNum, dest, size) DMA_CLEAR(dmaNum, dest, size, 16)
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#define DmaClear32(dmaNum, dest, size) DMA_CLEAR(dmaNum, dest, size, 32)
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#define DMA_COPY(dmaNum, src, dest, size, bit) \
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DmaSet(dmaNum, \
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src, \
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dest, \
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(DMA_ENABLE | DMA_START_NOW | DMA_##bit##BIT | DMA_SRC_INC | DMA_DEST_INC) << 16 \
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| ((size)/(bit/8)))
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#define DmaCopy16(dmaNum, src, dest, size) DMA_COPY(dmaNum, src, dest, size, 16)
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#define DmaCopy32(dmaNum, src, dest, size) DMA_COPY(dmaNum, src, dest, size, 32)
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#define DmaCopyLarge(dmaNum, src, dest, size, block, bit) \
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{ \
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const void *_src = src; \
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void *_dest = dest; \
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u32 _size = size; \
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while (1) \
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{ \
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DmaCopy##bit(dmaNum, _src, _dest, (block)); \
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_src += (block); \
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_dest += (block); \
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_size -= (block); \
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if (_size <= (block)) \
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{ \
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DmaCopy##bit(dmaNum, _src, _dest, _size); \
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break; \
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} \
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} \
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}
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#define DmaCopyLarge16(dmaNum, src, dest, size, block) DmaCopyLarge(dmaNum, src, dest, size, block, 16)
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#define DmaCopyLarge32(dmaNum, src, dest, size, block) DmaCopyLarge(dmaNum, src, dest, size, block, 32)
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#define DmaFillLarge(dmaNum, value, dest, size, block, bit) \
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{ \
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void *_dest = dest; \
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u32 _size = size; \
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while (1) \
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{ \
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DmaFill##bit(dmaNum, value, _dest, (block)); \
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_dest += (block); \
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_size -= (block); \
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if (_size <= (block)) \
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{ \
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DmaFill##bit(dmaNum, value, _dest, _size); \
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break; \
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} \
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} \
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}
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#define DmaFillLarge16(dmaNum, value, dest, size, block) DmaFillLarge(dmaNum, value, dest, size, block, 16)
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#define DmaFillLarge32(dmaNum, value, dest, size, block) DmaFillLarge(dmaNum, value, dest, size, block, 32)
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#define DmaClearLarge(dmaNum, dest, size, block, bit) \
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{ \
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void *_dest = dest; \
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u32 _size = size; \
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while (1) \
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{ \
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DmaFill##bit(dmaNum, 0, _dest, (block)); \
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_dest += (block); \
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_size -= (block); \
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if (_size <= (block)) \
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{ \
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DmaFill##bit(dmaNum, 0, _dest, _size); \
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break; \
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} \
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} \
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}
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#define DmaClearLarge16(dmaNum, dest, size, block) DmaClearLarge(dmaNum, dest, size, block, 16)
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#define DmaClearLarge32(dmaNum, dest, size, block) DmaClearLarge(dmaNum, dest, size, block, 32)
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#define DmaCopyDefvars(dmaNum, src, dest, size, bit) \
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{ \
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const void *_src = src; \
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void *_dest = dest; \
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u32 _size = size; \
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DmaCopy##bit(dmaNum, _src, _dest, _size); \
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}
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#define DmaCopy16Defvars(dmaNum, src, dest, size) DmaCopyDefvars(dmaNum, src, dest, size, 16)
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#define DmaCopy32Defvars(dmaNum, src, dest, size) DmaCopyDefvars(dmaNum, src, dest, size, 32)
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#define DmaFillDefvars(dmaNum, value, dest, size, bit) \
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{ \
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void *_dest = dest; \
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u32 _size = size; \
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DmaFill##bit(dmaNum, value, _dest, _size); \
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}
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#define DmaFill16Defvars(dmaNum, value, dest, size) DmaFillDefvars(dmaNum, value, dest, size, 16)
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#define DmaFill32Defvars(dmaNum, value, dest, size) DmaFillDefvars(dmaNum, value, dest, size, 32)
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#define DmaClearDefvars(dmaNum, dest, size, bit) \
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{ \
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void *_dest = dest; \
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u32 _size = size; \
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DmaClear##bit(dmaNum, _dest, _size); \
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}
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#define DmaClear16Defvars(dmaNum, dest, size) DmaClearDefvars(dmaNum, dest, size, 16)
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#define DmaClear32Defvars(dmaNum, dest, size) DmaClearDefvars(dmaNum, dest, size, 32)
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#define DmaStop(dmaNum) \
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{ \
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vu16 *dmaRegs = (vu16 *)REG_ADDR_DMA##dmaNum; \
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dmaRegs[5] &= ~(DMA_START_MASK | DMA_DREQ_ON | DMA_REPEAT); \
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dmaRegs[5] &= ~DMA_ENABLE; \
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dmaRegs[5]; \
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}
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#define IntrEnable(flags) \
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{ \
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u16 imeTemp; \
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\
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imeTemp = REG_IME; \
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REG_IME = 0; \
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REG_IE |= flags; \
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REG_IME = imeTemp; \
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} \
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#endif // GUARD_GBA_MACRO_H
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