try to emulate GPU busy

diff --git a/libpcsxcore/psxdma.c b/libpcsxcore/psxdma.c
index 6d7981f..63c2724 100644 (file)
--- a/libpcsxcore/psxdma.c
+++ b/libpcsxcore/psxdma.c
@@ -22,6 +22,7 @@
 */
 
 #include "psxdma.h"
+#include "gpu.h"
 
 // Dma0/1 in Mdec.c
 // Dma3   in CdRom.c
@@ -173,6 +174,7 @@ void psxDma2(u32 madr, u32 bcr, u32 chcr) { // GPU
                        size = GPU_dmaChain((u32 *)psxM, madr & 0x1fffff);
                        if ((int)size <= 0)
                                size = gpuDmaChainSize(madr);
+                       HW_GPU_STATUS &= ~PSXGPU_nBUSY;
                        
                        // Tekken 3 = use 1.0 only (not 1.5x)
 
@@ -200,6 +202,7 @@ void gpuInterrupt() {
                HW_DMA2_CHCR &= SWAP32(~0x01000000);
                DMA_INTERRUPT(2);
        }
+       HW_GPU_STATUS |= PSXGPU_nBUSY; // GPU no longer busy
 }
 
 void psxDma6(u32 madr, u32 bcr, u32 chcr) {