1 files changed, 11 insertions, 15 deletions

diff --git a/src/main.c b/src/main.c
index 37a8719..d061bb3 100644
--- a/src/main.c
+++ b/src/main.c
@@ -17,21 +17,17 @@ volatile unsigned short g_hh_hcount;
 
 void hh_ppu_vblank_interrupt() {
 	static unsigned long frame = 0;
-// #ifdef HH_TARGET_STM32
-// 	hh_ppu_flush();
-// 	hh_input_read();
-// 	hh_demo_loop(frame);
-// #endif
-	// if (frame > 1) return;
-	for (size_t i = 0; i < HH_PPUINTDEMO_LENGTH; i += 4) {
-		uint8_t* d = HH_PPUINTDEMO_ARR + i;
-		if (d[0] == 0xff && d[1] == 0xff && d[2] == 0xff && d[3] == 0xff) {
-			hh_ppu_flush();
-		} else {
-			hh_ppu_vram_buffer(d);
-		}
-	}
-	hh_ppu_flush();
+
+	// hh_ppu_flush();
+	// hh_input_read();
+	// hh_demo_loop(frame);
+
+	size_t offset = frame * 4;
+	if (offset >= HH_PPUINTDEMO_LENGTH) return;
+	uint8_t* d = HH_PPUINTDEMO_ARR + offset;
+	hh_ppu_vram_buffer(d);
+	hh_ppu_vram_flush();
+
 	frame++;
 }