From b21954eb05d9285ed7542a1f42ed755a147782a8 Mon Sep 17 00:00:00 2001
From: Astatin <git@astatin.live>
Date: Tue, 25 Feb 2025 16:54:34 +0900
Subject: Fix initialization and flickering issues

---
 utils.gbasm | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'utils.gbasm')

diff --git a/utils.gbasm b/utils.gbasm
index 47fec5a..a8696ed 100644
--- a/utils.gbasm
+++ b/utils.gbasm
@@ -44,6 +44,18 @@ bzero: ; dest = HL, n = BC
 		JR NZ =.loop
 	RET
 
+bff: ; dest = HL, n = BC
+	LD A, $ff
+	.loop:
+		LD (HL+), A
+		INC DE
+		DEC BC
+		CP B
+		JR NZ =.loop
+		CP C
+		JR NZ =.loop
+	RET
+
 .MACRODEF ABS
 	BIT 7, A
 	JR Z, =$end
-- 
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