Sync with pokered

1 files changed, 25 insertions, 0 deletions

diff --git a/home/lcd.asm b/home/lcd.asm
new file mode 100644
index 00000000..72fc70ed
--- /dev/null
+++ b/home/lcd.asm
@@ -0,0 +1,25 @@
+DisableLCD::
+	xor a
+	ldh [rIF], a
+	ldh a, [rIE]
+	ld b, a
+	res 0, a
+	ldh [rIE], a
+
+.wait
+	ldh a, [rLY]
+	cp LY_VBLANK
+	jr nz, .wait
+
+	ldh a, [rLCDC]
+	and $ff ^ rLCDC_ENABLE_MASK
+	ldh [rLCDC], a
+	ld a, b
+	ldh [rIE], a
+	ret
+
+EnableLCD::
+	ldh a, [rLCDC]
+	set rLCDC_ENABLE, a
+	ldh [rLCDC], a
+	ret