X-Git-Url: https://git.gag.com/?a=blobdiff_plain;ds=sidebyside;f=src%2Fdrivers%2Fao_vga.c;fp=src%2Fdrivers%2Fao_vga.c;h=59658caf9c56b9249620de05522be6d1e8704f94;hb=2418a1297af8f43e338067321779328c59b4a96c;hp=909e31098004a25879949d69992da20b7b7525ea;hpb=83929cd290279963b01b2ccd52c70d61bdeff6b0;p=fw%2Faltos

diff --git a/src/drivers/ao_vga.c b/src/drivers/ao_vga.c
index 909e3109..59658caf 100644
--- a/src/drivers/ao_vga.c
+++ b/src/drivers/ao_vga.c
@@ -91,6 +91,8 @@ static uint32_t	*scanline;
 			 (en << STM_DMA_CCR_EN))
 
 
+uint8_t	ao_vga_vblank;
+
 void stm_tim2_isr(void)
 {
 	int16_t	line = stm_tim3.cnt;
@@ -111,6 +113,10 @@ void stm_tim2_isr(void)
 		if (((line - VBLANK_END) & 1))
 			scanline += AO_VGA_STRIDE;
 	} else {
+		if (line == VBLANK_START) {
+			ao_vga_vblank = 1;
+			ao_wakeup(&ao_vga_vblank);
+		}
 		scanline = ao_vga_fb;
 	}
 	stm_tim2.sr = 0;