X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?p=pcsx_rearmed.git;a=blobdiff_plain;f=libpcsxcore%2Fcdrom.c;h=cc377b9f5e9bb14fafc41732e72469d7ce0140f7;hp=c82b6dafc9e6ab0e599ccbf9d3d6d07ed1801aba;hb=aecf98c59e00a1bd893cb0af3b7d0771f01e0185;hpb=a48ae3a7decaae1f0bbc45fb0ce37e030fd5357b diff --git a/libpcsxcore/cdrom.c b/libpcsxcore/cdrom.c index c82b6daf..cc377b9f 100644 --- a/libpcsxcore/cdrom.c +++ b/libpcsxcore/cdrom.c @@ -709,11 +709,12 @@ void cdrInterrupt() { Wild 9: skip PREGAP + starting accurate SubQ - plays tracks without retry play */ + /* unneeded with correct cdriso? Set_Track(); + */ Find_CurTrack(); ReadTrack( cdr.SetSectorPlay ); - // GameShark CD Player: Calls 2x + Play 2x if( cdr.FastBackward || cdr.FastForward ) { if( cdr.FastForward ) cdr.FastForward--; @@ -1901,9 +1902,14 @@ void cdrWrite3(unsigned char rt) { // - Final Fantasy Tactics // - various other games - if (cdr.Irq) // rearmed guesswork hack if (cdr.Reading && !cdr.ResultReady) { - CDREAD_INT((cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime); + int left = psxRegs.intCycle[PSXINT_CDREAD].sCycle + psxRegs.intCycle[PSXINT_CDREAD].cycle - psxRegs.cycle; + int time = (cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime; + if (Config.CdrReschedule != 2) + if (left < time / 2 || Config.CdrReschedule) { // rearmed guesswork hack + //printf("-- resched %d -> %d\n", left, time); + CDREAD_INT(time); + } } return; @@ -1931,6 +1937,7 @@ void cdrWrite3(unsigned char rt) { void psxDma3(u32 madr, u32 bcr, u32 chcr) { u32 cdsize; + int size; u8 *ptr; #ifdef CDR_LOG @@ -1975,15 +1982,12 @@ void psxDma3(u32 madr, u32 bcr, u32 chcr) { - CdlPlay - Spams DMA3 and gets buffer overrun */ - - if( (cdr.pTransfer-cdr.Transfer) + cdsize > 2352 ) - { - // avoid crash - probably should wrap here - //memcpy(ptr, cdr.pTransfer, cdsize); - } - else + size = CD_FRAMESIZE_RAW - (cdr.pTransfer - cdr.Transfer); + if (size > cdsize) + size = cdsize; + if (size > 0) { - memcpy(ptr, cdr.pTransfer, cdsize); + memcpy(ptr, cdr.pTransfer, size); } psxCpu->Clear(madr, cdsize / 4); @@ -2012,8 +2016,11 @@ void psxDma3(u32 madr, u32 bcr, u32 chcr) { void cdrDmaInterrupt() { - HW_DMA3_CHCR &= SWAP32(~0x01000000); - DMA_INTERRUPT(3); + if (HW_DMA3_CHCR & SWAP32(0x01000000)) + { + HW_DMA3_CHCR &= SWAP32(~0x01000000); + DMA_INTERRUPT(3); + } } void cdrReset() {