diff options
Diffstat (limited to 'libpsn00b/psxspu')
| -rw-r--r-- | libpsn00b/psxspu/common.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/libpsn00b/psxspu/common.c b/libpsn00b/psxspu/common.c index a340af6..5dae473 100644 --- a/libpsn00b/psxspu/common.c +++ b/libpsn00b/psxspu/common.c @@ -44,6 +44,11 @@ static size_t _dma_transfer(uint32_t *data, size_t length, int write) { length += DMA_CHUNK_LENGTH - 1; } + // Increase bus delay for DMA reads + SPU_DELAY_SIZE &= 0xf0ffffff; + if (!write) + SPU_DELAY_SIZE = 2 << 24; + SPU_CTRL &= 0xffcf; // Disable DMA request _wait_status(0x0030, 0x0000); @@ -102,6 +107,8 @@ static size_t _manual_write(const uint16_t *data, size_t length) { /* Public API */ void SpuInit(void) { + SPU_DELAY_SIZE = 0x200931e1; + SPU_CTRL = 0x0000; // SPU disabled _wait_status(0x001f, 0x0000); |