blob: 018d353ab05733fe572ed6ae63a803842a5f62cc (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
|
/*
* 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; \
}
|
