Explicitly set register A to 0 in the DMG, SGB, MGB, and SGB2 bootroms

forestbelton · Feb 11, 2023 · 59ecd4b · 59ecd4b
1 parent 947687a
commit 59ecd4b
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diff --git a/BootROMs/dmg_boot.asm b/BootROMs/dmg_boot.asm
@@ -9,6 +9,7 @@ Start:
 
 ; Clear memory VRAM
     ld hl, $8000
+    xor a
 
 .clearVRAMLoop
     ldi [hl], a

diff --git a/BootROMs/sgb_boot.asm b/BootROMs/sgb_boot.asm
@@ -9,6 +9,7 @@ Start:
 
 ; Clear memory VRAM
     ld hl, $8000
+    xor a
 
 .clearVRAMLoop
     ldi [hl], a