X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=libpcsxcore%2Fpsxdma.c;h=0ffec81c245d001a872a0e8a1b515a720801e643;hb=abf094858889145af1fde9840429dfb8a0e70a39;hp=c0aee7ed4938cf422076e43a9d7ea58d0db9a6e4;hpb=63b05f75121cffb317e0ef68fa90a00c7a9aabdb;p=pcsx_rearmed.git

diff --git a/libpcsxcore/psxdma.c b/libpcsxcore/psxdma.c
index c0aee7ed..0ffec81c 100644
--- a/libpcsxcore/psxdma.c
+++ b/libpcsxcore/psxdma.c
@@ -156,6 +156,8 @@ void psxDma2(u32 madr, u32 bcr, u32 chcr) { // GPU
 
 			HW_DMA2_MADR = SWAPu32(madr + words_copy * 4);
 
+			// careful: gpu_state_change() also messes with this
+			HW_GPU_STATUS &= SWAP32(~PSXGPU_nBUSY);
 			// already 32-bit word size ((size * 4) / 4)
 			GPUDMA_INT(words / 4);
 			return;
@@ -177,6 +179,8 @@ void psxDma2(u32 madr, u32 bcr, u32 chcr) { // GPU
 
 			HW_DMA2_MADR = SWAPu32(madr);
 
+			// careful: gpu_state_change() also messes with this
+			HW_GPU_STATUS &= SWAP32(~PSXGPU_nBUSY);
 			// already 32-bit word size ((size * 4) / 4)
 			GPUDMA_INT(words / 4);
 			return;
@@ -214,6 +218,8 @@ void psxDma2(u32 madr, u32 bcr, u32 chcr) { // GPU
 	DMA_INTERRUPT(2);
 }
 
+// note: this is also (ab)used for non-dma prim command
+// to delay gpu returning to idle state, see gpu_state_change()
 void gpuInterrupt() {
 	if (HW_DMA2_CHCR == SWAP32(0x01000401) && !(HW_DMA2_MADR & SWAP32(0x800000)))
 	{