change lcf handling

[pcsx_rearmed.git] / libpcsxcore / new_dynarec / pcsxmem.c

diff --git a/libpcsxcore/new_dynarec/pcsxmem.c b/libpcsxcore/new_dynarec/pcsxmem.c
index 2306ca7..0464021 100644 (file)
--- a/libpcsxcore/new_dynarec/pcsxmem.c
+++ b/libpcsxcore/new_dynarec/pcsxmem.c
@@ -212,9 +212,17 @@ static void io_spu_write32(u32 value)
 
 static u32 io_gpu_read_status(void)
 {
+       u32 v;
+
        // meh2, syncing for img bit, might want to avoid it..
        gpuSyncPluginSR();
-       return HW_GPU_STATUS;
+       v = HW_GPU_STATUS;
+
+       // XXX: because of large timeslices can't use hSyncCount, using rough
+       // approximization instead. Perhaps better use hcounter code here or something.
+       if (hSyncCount < 240 && (HW_GPU_STATUS & PSXGPU_ILACE_BITS) != PSXGPU_ILACE_BITS)
+               v |= PSXGPU_LCF & (psxRegs.cycle << 20);
+       return v;
 }
 
 static void io_gpu_write_status(u32 value)