diff options
Diffstat (limited to 'PcsxSrc/PsxDma.c')
-rw-r--r-- | PcsxSrc/PsxDma.c | 96 |
1 files changed, 0 insertions, 96 deletions
diff --git a/PcsxSrc/PsxDma.c b/PcsxSrc/PsxDma.c deleted file mode 100644 index 61d002e..0000000 --- a/PcsxSrc/PsxDma.c +++ /dev/null @@ -1,96 +0,0 @@ -/* Pcsx - Pc Psx Emulator - * Copyright (C) 1999-2002 Pcsx Team - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#include "PsxCommon.h" - -// Dma0/1 in Mdec.c -// Dma3 in CdRom.c - -void psxDma4(u32 madr, u32 bcr, u32 chcr) { // SPU - switch (chcr) { - case 0x01000201: //cpu to spu transfer -#ifdef PSXDMA_LOG - PSXDMA_LOG("*** DMA 4 - SPU mem2spu *** %lx addr = %lx size = %lx\n", chcr, madr, bcr); -#endif - SPU_writeDMAMem((u16 *)PSXM(madr), (bcr >> 16) * (bcr & 0xffff) * 2); - break; - case 0x01000200: //spu to cpu transfer -#ifdef PSXDMA_LOG - PSXDMA_LOG("*** DMA 4 - SPU spu2mem *** %lx addr = %lx size = %lx\n", chcr, madr, bcr); -#endif - SPU_readDMAMem ((u16 *)PSXM(madr), (bcr >> 16) * (bcr & 0xffff) * 2); - break; -#ifdef PSXDMA_LOG - default: - PSXDMA_LOG("*** DMA 4 - SPU unknown *** %lx addr = %lx size = %lx\n", chcr, madr, bcr); - break; -#endif - } -} - -void psxDma2(u32 madr, u32 bcr, u32 chcr) { // GPU - switch(chcr) { - case 0x01000200: // vram2mem -#ifdef PSXDMA_LOG - PSXDMA_LOG("*** DMA 2 - GPU vram2mem *** %lx addr = %lx size = %lx\n", chcr, madr, bcr); -#endif - GPU_readDataMem((u32 *)PSXM(madr), (bcr >> 16) * (bcr & 0xffff)); - psxCpu->Clear(madr, ((bcr >> 16) * (bcr & 0xffff)) / 4); - break; - - case 0x01000201: // mem2vram -#ifdef PSXDMA_LOG - PSXDMA_LOG("*** DMA 2 - GPU mem2vram *** %lx addr = %lx size = %lx\n", chcr, madr, bcr); -#endif - GPU_writeDataMem((u32 *)PSXM(madr), (bcr >> 16) * (bcr & 0xffff)); - break; - - case 0x01000401: // dma chain -#ifdef PSXDMA_LOG - PSXDMA_LOG("*** DMA 2 - GPU dma chain *** %lx addr = %lx size = %lx\n", chcr, madr, bcr); -#endif - GPU_dmaChain((u32 *)psxM, madr & 0x1fffff); - break; -#ifdef PSXDMA_LOG - default: - PSXDMA_LOG("*** DMA 2 - GPU unknown *** %lx addr = %lx size = %lx\n", chcr, madr, bcr); - break; -#endif - } -} - -void psxDma6(u32 madr, u32 bcr, u32 chcr) { - u32 *mem = (u32 *)PSXM(madr); - -#ifdef PSXDMA_LOG - PSXDMA_LOG("*** DMA 6 - OT *** %lx addr = %lx size = %lx\n", chcr, madr, bcr); -#endif - - if (chcr == 0x11000002) { - while (bcr--) { - *mem-- = (madr - 4) & 0xffffff; - madr -= 4; - } - mem++; *mem = 0xffffff; - } else { - // Unknown option -#ifdef PSXDMA_LOG - PSXDMA_LOG("*** DMA 6 - OT unknown *** %lx addr = %lx size = %lx\n", chcr, madr, bcr); -#endif - } -} |