X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=libpcsxcore%2Fpsxdma.c;h=24570968dd07cba6d2593845b50cbabdff82ce15;hb=c2eee46bfb8a3fde297735a8b115330498d442b4;hp=c0aee7ed4938cf422076e43a9d7ea58d0db9a6e4;hpb=3c7a8977ddbdbfb4a8840a487fadade29bd939d6;p=pcsx_rearmed.git diff --git a/libpcsxcore/psxdma.c b/libpcsxcore/psxdma.c index c0aee7ed..24570968 100644 --- a/libpcsxcore/psxdma.c +++ b/libpcsxcore/psxdma.c @@ -67,7 +67,7 @@ void psxDma4(u32 madr, u32 bcr, u32 chcr) { // SPU // This should be much slower, like 12+ cycles/byte, it's like // that because the CPU runs too fast and fifo is not emulated. // See also set_dma_end(). - SPUDMA_INT(words * 4); + set_event(PSXINT_SPUDMA, words * 4); return; case 0x01000200: //spu to cpu transfer @@ -78,7 +78,7 @@ void psxDma4(u32 madr, u32 bcr, u32 chcr) { // SPU psxCpu->Clear(madr, words_copy); HW_DMA4_MADR = SWAPu32(madr + words_copy * 4); - SPUDMA_INT(words * 4); + set_event(PSXINT_SPUDMA, words * 4); return; default: @@ -156,8 +156,10 @@ void psxDma2(u32 madr, u32 bcr, u32 chcr) { // GPU HW_DMA2_MADR = SWAPu32(madr + words_copy * 4); + // careful: gpu_state_change() also messes with this + HW_GPU_STATUS &= SWAP32(~PSXGPU_nBUSY); // already 32-bit word size ((size * 4) / 4) - GPUDMA_INT(words / 4); + set_event(PSXINT_GPUDMA, words / 4); return; case 0x01000201: // mem2vram @@ -177,8 +179,10 @@ void psxDma2(u32 madr, u32 bcr, u32 chcr) { // GPU HW_DMA2_MADR = SWAPu32(madr); + // careful: gpu_state_change() also messes with this + HW_GPU_STATUS &= SWAP32(~PSXGPU_nBUSY); // already 32-bit word size ((size * 4) / 4) - GPUDMA_INT(words / 4); + set_event(PSXINT_GPUDMA, words / 4); return; case 0x01000401: // dma chain @@ -202,7 +206,7 @@ void psxDma2(u32 madr, u32 bcr, u32 chcr) { // GPU // Einhander = parse linked list in pieces (todo) // Rebel Assault 2 = parse linked list in pieces (todo) - GPUDMA_INT(size); + set_event(PSXINT_GPUDMA, size); return; default: @@ -214,13 +218,15 @@ void psxDma2(u32 madr, u32 bcr, u32 chcr) { // GPU DMA_INTERRUPT(2); } +// note: this is also (ab)used for non-dma prim command +// to delay gpu returning to idle state, see gpu_state_change() void gpuInterrupt() { if (HW_DMA2_CHCR == SWAP32(0x01000401) && !(HW_DMA2_MADR & SWAP32(0x800000))) { u32 size, madr_next = 0xffffff; size = GPU_dmaChain((u32 *)psxM, HW_DMA2_MADR & 0x1fffff, &madr_next); HW_DMA2_MADR = SWAPu32(madr_next); - GPUDMA_INT(size); + set_event(PSXINT_GPUDMA, size); return; } if (HW_DMA2_CHCR & SWAP32(0x01000000)) @@ -255,10 +261,9 @@ void psxDma6(u32 madr, u32 bcr, u32 chcr) { } *++mem = SWAP32(0xffffff); - //GPUOTCDMA_INT(size); // halted psxRegs.cycle += words; - GPUOTCDMA_INT(16); + set_event(PSXINT_GPUOTCDMA, 16); return; } else {