diff --git a/src/crtc.c b/src/crtc.c
index c000cfc..83fe0c1 100644
--- a/src/crtc.c
+++ b/src/crtc.c
@@ -113,7 +113,7 @@ void crtc_machines_init(void)
 	crtc_hsync.offset = pio_add_program(crtc_hsync.pio, &crtc_hsync_program);
 	crtc_hsync.sm = pio_claim_unused_sm(crtc_hsync.pio, true);
 	crtc_hsync_program_init(crtc_hsync.pio, crtc_hsync.sm, crtc_hsync.offset);
-	pio_sm_put_blocking(crtc_hsync.pio, crtc_hsync.sm, 128 - 1);
+	pio_sm_put_blocking(crtc_hsync.pio, crtc_hsync.sm, 370 - 1);
 	printf("OK\n");
 
 	printf("Setting up new frame interrupt... ");
@@ -140,7 +140,7 @@ void crtc_machines_init(void)
 	irq_set_exclusive_handler(DMA_IRQ_1, dma_handler);
 	irq_set_enabled(DMA_IRQ_1, true);
 
-	dma_channel_configure(dma_channel, &dma_config, &frame[2560], &pio1_hw->rxf[0], 640 * 128 / 32,
+	dma_channel_configure(dma_channel, &dma_config, &frame[2560], &pio1_hw->rxf[0], 640 * 370 / 32,
 	                      true);
 
 	dma_ready = true;