From c668c7c351c305bbb08ab9ca7c037f4affbfd436 Mon Sep 17 00:00:00 2001 From: arcum42 Date: Fri, 5 Jun 2009 04:59:13 +0000 Subject: [PATCH] Revised Ipu1Chain, and tweaked Ipu1Dma. git-svn-id: http://pcsx2.googlecode.com/svn/trunk@1329 96395faa-99c1-11dd-bbfe-3dabce05a288 --- pcsx2/IPU/IPU.cpp | 149 +++++++++++++++++++++------------------------- 1 file changed, 67 insertions(+), 82 deletions(-) diff --git a/pcsx2/IPU/IPU.cpp b/pcsx2/IPU/IPU.cpp index 03d488f778..8a183e91a2 100644 --- a/pcsx2/IPU/IPU.cpp +++ b/pcsx2/IPU/IPU.cpp @@ -1373,7 +1373,7 @@ int FIFOto_write(u32* pMem, int size) return firsttrans; } -static __forceinline s32 IPU1chain(u32* &pMem, int &totalqwc) +static __forceinline bool IPU1chain(u32* &pMem, int &totalqwc) { if (ipu1dma->qwc > 0) { @@ -1384,7 +1384,7 @@ static __forceinline s32 IPU1chain(u32* &pMem, int &totalqwc) if (pMem == NULL) { Console::Error("ipu1dma NULL!"); - return totalqwc; + return true; } qwc = FIFOto_write(pMem, qwc); @@ -1395,11 +1395,25 @@ static __forceinline s32 IPU1chain(u32* &pMem, int &totalqwc) if (ipu1dma->qwc > 0) { g_nDMATransfer |= IPU_DMA_ACTV1; - return totalqwc; + return true; } } - - return -1; + return false; +} + +static __forceinline bool IncreaseTadr(u32 tag) +{ + switch (tag & 0x70000000) + { + case 0x00000000: + ipu1dma->tadr += 16; + return true; + + case 0x70000000: + ipu1dma->tadr = ipu1dma->madr; + return true; + } + return false; } extern void gsInterrupt(); @@ -1427,95 +1441,76 @@ int IPU1dma() // in kh, qwc == 0 when dma_actv1 is set if ((g_nDMATransfer & IPU_DMA_ACTV1) && ipu1dma->qwc > 0) { - int temp = IPU1chain(pMem, totalqwc); - if (temp != -1) return temp; + if (IPU1chain(pMem, totalqwc)) return totalqwc; //Check TIE bit of CHCR and IRQ bit of tag - if ((ipu1dma->chcr & 0x80) && (g_nDMATransfer&IPU_DMA_DOTIE1)) + if ((ipu1dma->chcr & 0x80) && (g_nDMATransfer & IPU_DMA_DOTIE1)) { Console::WriteLn("IPU1 TIE"); - IPU_INT_TO(totalqwc*BIAS); + IPU_INT_TO(totalqwc * BIAS); g_nDMATransfer &= ~(IPU_DMA_ACTV1 | IPU_DMA_DOTIE1); g_nDMATransfer |= IPU_DMA_TIE1; return totalqwc; } - if ((ipu1dma->chcr&0xc) == 0) + if (!(ipu1dma->chcr & 0xc)) { - IPU_INT_TO(totalqwc*BIAS); + IPU_INT_TO(totalqwc * BIAS); return totalqwc; } else { u32 tag = ipu1dma->chcr; // upper bits describe current tag - if ((ipu1dma->chcr & 0x80) && (tag&0x80000000)) + if ((ipu1dma->chcr & 0x80) && (tag & 0x80000000)) { ptag = (u32*)dmaGetAddr(ipu1dma->tadr); - switch (tag&0x70000000) - { - case 0x00000000: - ipu1dma->tadr += 16; - break; - case 0x70000000: - ipu1dma->tadr = ipu1dma->madr; - break; - } + IncreaseTadr(tag); ipu1dma->chcr = (ipu1dma->chcr & 0xFFFF) | ((*ptag) & 0xFFFF0000); IPU_LOG("IPU dmaIrq Set"); - IPU_INT_TO(totalqwc*BIAS); + IPU_INT_TO(totalqwc * BIAS); g_nDMATransfer |= IPU_DMA_TIE1; return totalqwc; } - switch (tag&0x70000000) + if (IncreaseTadr(tag)) { - case 0x00000000: - ipu1dma->tadr += 16; - IPU_INT_TO((1 + totalqwc)*BIAS); - return totalqwc; - - case 0x70000000: - ipu1dma->tadr = ipu1dma->madr; - IPU_INT_TO((1 + totalqwc)*BIAS); - return totalqwc; + IPU_INT_TO((1 + totalqwc)*BIAS); + return totalqwc; } } g_nDMATransfer &= ~(IPU_DMA_ACTV1 | IPU_DMA_DOTIE1); } - - if ((ipu1dma->chcr & 0xc) == 0 && ipu1dma->qwc == 0) // Normal Mode + + if (((ipu1dma->chcr & 0xc) == 0) && (ipu1dma->qwc == 0)) // Normal Mode { //Console::WriteLn("ipu1 normal empty qwc?"); return totalqwc; } // Transfer Dn_QWC from Dn_MADR to GIF - - if ((ipu1dma->chcr & 0xc) == 0 || ipu1dma->qwc > 0) // Normal Mode + if (ipu1dma->qwc > 0) { IPU_LOG("dmaIPU1 Normal size=%d, addr=%lx, fifosize=%x", ipu1dma->qwc, ipu1dma->madr, 8 - g_BP.IFC); - int temp = IPU1chain(pMem, totalqwc); - if (temp != -1) return temp; + if (!IPU1chain(pMem, totalqwc)) IPU_INT_TO((ipu1cycles + totalqwc) * BIAS); - IPU_INT_TO((ipu1cycles + totalqwc)*BIAS); return totalqwc; } else { - // Chain Mode + // Chain Mode & ipu1dma->qwc is 0 ptag = (u32*)dmaGetAddr(ipu1dma->tadr); //Set memory pointer to TADR if (ptag == NULL) //Is ptag empty? { Console::Error("IPU1 BUSERR"); ipu1dma->chcr = (ipu1dma->chcr & 0xFFFF) | ((*ptag) & 0xFFFF0000); //Transfer upper part of tag to CHCR bits 31-15 - psHu32(DMAC_STAT) |= 1 << 15; //If yes, set BEIS (BUSERR) in DMAC_STAT register + psHu32(DMAC_STAT) |= DMAC_STAT_BEIS; //If yes, set BEIS (BUSERR) in DMAC_STAT register return totalqwc; } @@ -1566,55 +1561,45 @@ int IPU1dma() g_nDMATransfer |= IPU_DMA_DOTIE1; else g_nDMATransfer &= ~IPU_DMA_DOTIE1; - - //Britney Dance beat does a blank NEXT tag, for some odd reason the fix doesnt work if after IPU1Chain O_o - if ((ipu1dma->qwc == 0) && (!done) && !(g_nDMATransfer & IPU_DMA_DOTIE1)) IPU1dma(); - - int temp = IPU1chain(pMem, totalqwc); - if (temp != -1) return temp; - - if ((ipu1dma->chcr & 0x80) && (ptag[0]&0x80000000) && ipu1dma->qwc == 0) //Check TIE bit of CHCR and IRQ bit of tag - { - Console::WriteLn("IPU1 TIE"); - - if (done) - { - ptag = (u32*)dmaGetAddr(ipu1dma->tadr); - - switch (ptag[0]&0x70000000) - { - case 0x00000000: - ipu1dma->tadr += 16; - break; - case 0x70000000: - ipu1dma->tadr = ipu1dma->madr; - break; - } - - ipu1dma->chcr = (ipu1dma->chcr & 0xFFFF) | ((*ptag) & 0xFFFF0000); - } - - IPU_INT_TO(ipu1cycles + totalqwc*BIAS); - g_nDMATransfer |= IPU_DMA_TIE1; - return totalqwc; - } - + if (ipu1dma->qwc == 0) { - switch (ptag[0]&0x70000000) + //if ((ipu1dma->chcr & 0x80) && (ptag[0] & 0x80000000)) //Check TIE bit of CHCR and IRQ bit of tag + if (g_nDMATransfer & IPU_DMA_DOTIE1) { - case 0x00000000: - ipu1dma->tadr += 16; - break; + Console::WriteLn("IPU1 TIE"); + + if (IPU1chain(pMem, totalqwc)) return totalqwc; + + if (done) + { + ptag = (u32*)dmaGetAddr(ipu1dma->tadr); - case 0x70000000: - ipu1dma->tadr = ipu1dma->madr; - break; + IncreaseTadr(ptag[0]); + + ipu1dma->chcr = (ipu1dma->chcr & 0xFFFF) | ((*ptag) & 0xFFFF0000); + } + + IPU_INT_TO(ipu1cycles + totalqwc * BIAS); // Should it be (ipu1cycles + totalqwc) * BIAS? + g_nDMATransfer |= IPU_DMA_TIE1; + return totalqwc; } + else + { + //Britney Dance beat does a blank NEXT tag, for some odd reason the fix doesnt work if after IPU1Chain O_o + if (!done) IPU1dma(); + if (IPU1chain(pMem, totalqwc)) return totalqwc; + } + + IncreaseTadr(ptag[0]); + } + else + { + if (IPU1chain(pMem, totalqwc)) return totalqwc; } } - IPU_INT_TO((ipu1cycles + totalqwc)*BIAS); + IPU_INT_TO((ipu1cycles + totalqwc) * BIAS); return totalqwc; }