X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=libpcsxcore%2Fpsxhw.c;h=832e6d7d30fd71fdd4fdcdb21e3d00ba814a242f;hb=9454d33991e921f526c0c6fddb6c1be057ba8ab3;hp=4811f99babbcbf7e4bf949026f742cd8eca10806;hpb=f8896d181bd26ef6fd18af17f01c77b73ae17a68;p=pcsx_rearmed.git

diff --git a/libpcsxcore/psxhw.c b/libpcsxcore/psxhw.c
index 4811f99b..832e6d7d 100644
--- a/libpcsxcore/psxhw.c
+++ b/libpcsxcore/psxhw.c
@@ -85,8 +85,13 @@ void psxHwWriteDmaIcr32(u32 value)
 
 void psxHwWriteGpuSR(u32 value)
 {
+	u32 old_sr = HW_GPU_STATUS, new_sr;
 	GPU_writeStatus(value);
 	gpuSyncPluginSR();
+	new_sr = HW_GPU_STATUS;
+	// "The Next Tetris" seems to rely on the field order after enable
+	if ((old_sr ^ new_sr) & new_sr & SWAP32(PSXGPU_ILACE))
+		frame_counter |= 1;
 }
 
 u32 psxHwReadGpuSR(void)