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| author | twinaphex | 2014-12-11 03:38:57 +0100 |
|---|---|---|
| committer | twinaphex | 2014-12-11 03:38:57 +0100 |
| commit | 9a468a0f3bc26ec13f6d11146b0a5617ecc84896 (patch) | |
| tree | 281d6fe69d7e211a6454116d2c55ac58198a535b /gba_memory.c | |
| parent | 60e670f35b047d34400e5af03c2f3faa7dcc5ec1 (diff) | |
| download | picogpsp-9a468a0f3bc26ec13f6d11146b0a5617ecc84896.tar.gz picogpsp-9a468a0f3bc26ec13f6d11146b0a5617ecc84896.tar.bz2 picogpsp-9a468a0f3bc26ec13f6d11146b0a5617ecc84896.zip | |
Demacro-ize dma_transfer_expand
Diffstat (limited to 'gba_memory.c')
| -rw-r--r-- | gba_memory.c | 126 |
1 files changed, 72 insertions, 54 deletions
diff --git a/gba_memory.c b/gba_memory.c index beda0df..e43cf23 100644 --- a/gba_memory.c +++ b/gba_memory.c @@ -2943,58 +2943,6 @@ dma_region_type dma_region_map[16] = break; \ } \ -#define dma_transfer_expand(transfer_size) \ - switch((dma->dest_direction << 2) | dma->source_direction) \ - { \ - case 0x00: \ - dma_transfer_loop(inc, inc, transfer_size, writeback); \ - \ - case 0x01: \ - dma_transfer_loop(dec, inc, transfer_size, writeback); \ - \ - case 0x02: \ - dma_transfer_loop(fix, inc, transfer_size, writeback); \ - \ - case 0x03: \ - break; \ - \ - case 0x04: \ - dma_transfer_loop(inc, dec, transfer_size, writeback); \ - \ - case 0x05: \ - dma_transfer_loop(dec, dec, transfer_size, writeback); \ - \ - case 0x06: \ - dma_transfer_loop(fix, dec, transfer_size, writeback); \ - \ - case 0x07: \ - break; \ - \ - case 0x08: \ - dma_transfer_loop(inc, fix, transfer_size, writeback); \ - \ - case 0x09: \ - dma_transfer_loop(dec, fix, transfer_size, writeback); \ - \ - case 0x0A: \ - dma_transfer_loop(fix, fix, transfer_size, writeback); \ - \ - case 0x0B: \ - break; \ - \ - case 0x0C: \ - dma_transfer_loop(inc, inc, transfer_size, reload); \ - \ - case 0x0D: \ - dma_transfer_loop(dec, inc, transfer_size, reload); \ - \ - case 0x0E: \ - dma_transfer_loop(fix, inc, transfer_size, reload); \ - \ - case 0x0F: \ - break; \ - } \ - cpu_alert_type dma_transfer(dma_transfer_type *dma) { u32 i; @@ -3027,14 +2975,84 @@ cpu_alert_type dma_transfer(dma_transfer_type *dma) src_ptr &= ~0x01; dest_ptr &= ~0x01; cycle_dma16_words += length; - dma_transfer_expand(16); + + switch((dma->dest_direction << 2) | dma->source_direction) + { + case 0x00: + dma_transfer_loop(inc, inc, 16, writeback); + case 0x01: + dma_transfer_loop(dec, inc, 16, writeback); + case 0x02: + dma_transfer_loop(fix, inc, 16, writeback); + case 0x03: + break; + case 0x04: + dma_transfer_loop(inc, dec, 16, writeback); + case 0x05: + dma_transfer_loop(dec, dec, 16, writeback); + case 0x06: + dma_transfer_loop(fix, dec, 16, writeback); + case 0x07: + break; + case 0x08: + dma_transfer_loop(inc, fix, 16, writeback); + case 0x09: + dma_transfer_loop(dec, fix, 16, writeback); + case 0x0A: + dma_transfer_loop(fix, fix, 16, writeback); + case 0x0B: + break; + case 0x0C: + dma_transfer_loop(inc, inc, 16, reload); + case 0x0D: + dma_transfer_loop(dec, inc, 16, reload); + case 0x0E: + dma_transfer_loop(fix, inc, 16, reload); + case 0x0F: + break; + } } else { src_ptr &= ~0x03; dest_ptr &= ~0x03; cycle_dma32_words += length; - dma_transfer_expand(32); + + switch((dma->dest_direction << 2) | dma->source_direction) + { + case 0x00: + dma_transfer_loop(inc, inc, 32, writeback); + case 0x01: + dma_transfer_loop(dec, inc, 32, writeback); + case 0x02: + dma_transfer_loop(fix, inc, 32, writeback); + case 0x03: + break; + case 0x04: + dma_transfer_loop(inc, dec, 32, writeback); + case 0x05: + dma_transfer_loop(dec, dec, 32, writeback); + case 0x06: + dma_transfer_loop(fix, dec, 32, writeback); + case 0x07: + break; + case 0x08: + dma_transfer_loop(inc, fix, 32, writeback); + case 0x09: + dma_transfer_loop(dec, fix, 32, writeback); + case 0x0A: + dma_transfer_loop(fix, fix, 32, writeback); + case 0x0B: + break; + case 0x0C: + dma_transfer_loop(inc, inc, 32, reload); + case 0x0D: + dma_transfer_loop(dec, inc, 32, reload); + case 0x0E: + dma_transfer_loop(fix, inc, 32, reload); + case 0x0F: + break; + } } if((dma->repeat_type == DMA_NO_REPEAT) || |