From: Lukas Krickl <lukas@krickl.dev>
Date: Tue, 23 Sep 2025 17:04:41 +0000 (+0200)
Subject: video: vblank now skips everything but inptus if update is still pending
X-Git-Url: https://git.krickl.dev/?a=commitdiff_plain;h=f6a8ca74f5f4a8581054f995759bdebc3dbbb0bc;p=gbrg%2F.git

video: vblank now skips everything but inptus if update is still pending
---

diff --git a/src/video.s b/src/video.s
index 58fff90..408ff45 100644
--- a/src/video.s
+++ b/src/video.s
@@ -6,6 +6,14 @@
 vblank:
   push_all 
   
+  ; get inputs 
+  call poll_inputs
+	
+	; skip if update has not yet finished
+	ld a, [frame_ready]
+	cp a, 1
+	jp z, @skip_rest
+
   ; enable objects
   ld a, [RLCD]
   or a, LCDCF_OBJON
@@ -19,13 +27,13 @@ vblank:
 
   call scroll_write
   
-  ; get inputs 
-  call poll_inputs
 
 	call video_map_adjust_scroll
 
   ld a, 1
   ld [frame_ready], a
+
+@skip_rest:
   pop_all
   ret