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Maximum Force - mdec.c 

- stall dma1 until dma0 sent
- fixes movies


git-svn-id: https://pcsxr.svn.codeplex.com/svn/pcsxr@59301 e17a0e51-4ae3-4d35-97c3-1a29b211df97
This commit is contained in:
SND\shalma_cp 2010-11-08 01:58:47 +00:00
parent e532bbba97
commit f7539cadb8
1 changed files with 30 additions and 16 deletions
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46
libpcsxcore/mdec.c
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@ -477,6 +477,14 @@ void psxDma0(u32 adr, u32 bcr, u32 chcr) {
// input data
MDECINDMA_INT( mdec.rlsize );
// Maximum Force: restart dma1 stall
// - fixes movies
if( HW_DMA1_CHCR & SWAP32(0x01000000) ) {
psxDma1( HW_DMA1_MADR, HW_DMA1_BCR, HW_DMA1_CHCR );
}
return;
@ -527,19 +535,21 @@ void psxDma1(u32 adr, u32 bcr, u32 chcr) {
if (chcr != 0x01000200) return;
// Fear Effect 2: check for infinite output stall
// - fixes art gallery corruption, auto-pause
in_ptr = (u8 *)mdec.rl;
if( mdec.rlsize < 0 ) {
// stall dma1 forever
MDECOUTDMA_INT( 0x7fffffff );
size = (bcr >> 16) * (bcr & 0xffff);
// Maximum Force: stall dma1 until dma0 sent
// - fixes movies
if( mdec.rlsize <= 0 )
{
// signal immediate stall
mdec.reg1 &= ~MDEC1_BUSY;
return;
}
in_ptr = (u8 *)mdec.rl;
size = (bcr >> 16) * (bcr & 0xffff);
image = (u16 *)PSXM(adr);
@ -581,14 +591,17 @@ void psxDma1(u32 adr, u32 bcr, u32 chcr) {
}
// Fear Effect 2: check for infinite output stall
// Fear Effect 2: check for input drain, stalling output
// - fixes art gallery corruption, auto-pause
mdec.rlsize -= ((u8 *) mdec.rl - in_ptr) / 4;
if( mdec.rlsize < 0 ) {
// stall dma1 forever
dmacnt = 0x7fffffff;
#ifdef CDR_LOG
if( mdec.rlsize < 0 )
{
CDR_LOG( "dma1 infinite stall - no input left!!\n" );
}
#endif
/*
@ -616,10 +629,11 @@ void mdec1Interrupt() {
CDR_LOG("mdec1Interrupt\n");
#endif
if (HW_DMA1_CHCR & SWAP32(0x01000000)) {
// stall forever
if( psxRegs.intCycle[PSXINT_MDECOUTDMA].cycle == 0x7fffffff )
// Fear Effect 2: stall dma1 forever
// - fixes art gallery
if( mdec.rlsize < 0 )
{
MDECOUTDMA_INT( 0x7fffffff );
mdec.reg1 &= ~MDEC1_BUSY;
return;
}