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Diffstat (limited to 'arm9/lib/src/MI_dma_hblank.c')
-rw-r--r--arm9/lib/src/MI_dma_hblank.c31
1 files changed, 31 insertions, 0 deletions
diff --git a/arm9/lib/src/MI_dma_hblank.c b/arm9/lib/src/MI_dma_hblank.c
new file mode 100644
index 00000000..67e579fe
--- /dev/null
+++ b/arm9/lib/src/MI_dma_hblank.c
@@ -0,0 +1,31 @@
+#include "MI_dma_hblank.h"
+#include "MI_dma.h"
+#include "function_target.h"
+
+ARM_FUNC void MI_HBlankDmaCopy32(u32 dmaNo, const void *src, void *dest, u32 size)
+{
+ MIi_CheckAnotherAutoDMA(dmaNo, MI_DMA_TIMING_H_BLANK);
+ MIi_CheckDma0SourceAddress(dmaNo, (u32)src, size, MI_DMA_SRC_INC);
+
+ if (size == 0)
+ {
+ return;
+ }
+
+ MI_WaitDma(dmaNo);
+ MIi_DmaSetParams(dmaNo, (u32)src, (u32)dest, (u32)(0x96600000 | (size / 4)));
+}
+
+ARM_FUNC void MI_HBlankDmaCopy16(u32 dmaNo, const void *src, void *dest, u32 size)
+{
+ MIi_CheckAnotherAutoDMA(dmaNo, MI_DMA_TIMING_H_BLANK);
+ MIi_CheckDma0SourceAddress(dmaNo, (u32)src, size, MI_DMA_SRC_INC);
+
+ if (size == 0)
+ {
+ return;
+ }
+
+ MI_WaitDma(dmaNo);
+ MIi_DmaSetParams(dmaNo, (u32)src, (u32)dest, (u32)(0x92600000 | (size / 2)));
+}