some tas tests, desync is happening

1 files changed, 10 insertions, 1 deletions

diff --git a/mknes_ppu.c b/mknes_ppu.c
index 870439b..1a40de0 100644
--- a/mknes_ppu.c
+++ b/mknes_ppu.c
@@ -322,13 +322,22 @@ shift_and_fetch:
 					}
 				}
 			}
+
+			goto rendering_done;
+		}
+
+		if(dot == 256) {	// NOTE(peter): THIS IS EXPENSIVE
+			ppu->sprite_count = 0;
 		}
 
+rendering_done:
+
 		if(dot == 1) {
 			switch(scanline) {
 				case 241: {
 					ppu->reg_status |= PPU_STATUS_VBLANK;
 					state->cpu.nmi_pending = (ppu->reg_ctrl & PPU_CTRL_NMI);
+					ppu->frame_ready = 1;
 				} break;
 
 				case 261: {
@@ -339,6 +348,7 @@ shift_and_fetch:
 			}
 		}
 
+
 		dot++;
 		if(dot > 340) {
 			dot = 0;
@@ -350,7 +360,6 @@ shift_and_fetch:
 
 			if(scanline > 261) {
 				scanline = 0;
-				ppu->frame_ready = 1;
 				ppu->even_frame = !ppu->even_frame;
 			}