/* Pcsx - Pc Psx Emulator * Copyright (C) 1999-2016 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, see . */ /* * q: Why bother with GPU stuff in a plugin-based emu core? * a: mostly because of busy bits, we have all the needed timing info * that GPU plugin doesn't. */ #define PSXGPU_LCF (1<<31) #define PSXGPU_nBUSY (1<<26) #define PSXGPU_ILACE (1<<22) #define PSXGPU_DHEIGHT (1<<19) // both must be set for interlace to work #define PSXGPU_ILACE_BITS (PSXGPU_ILACE | PSXGPU_DHEIGHT) #define HW_GPU_STATUS psxHu32ref(0x1814) // TODO: handle com too #define PSXGPU_TIMING_BITS (PSXGPU_LCF | PSXGPU_nBUSY) #define gpuSyncPluginSR() { \ HW_GPU_STATUS &= PSXGPU_TIMING_BITS; \ HW_GPU_STATUS |= GPU_readStatus() & ~PSXGPU_TIMING_BITS; \ }