summaryrefslogtreecommitdiff
path: root/home/lcd.asm
diff options
context:
space:
mode:
authorRangi <35663410+Rangi42@users.noreply.github.com>2020-07-04 16:19:15 -0400
committerGitHub <noreply@github.com>2020-07-04 16:19:15 -0400
commit2718c36065e7eb201a149938bcdd51987c4e56b6 (patch)
tree4a1c0294193a497e15ec8e6be59390eb1f84b5d3 /home/lcd.asm
parentc85050497c1bd062e9cd40bf5b32fa3beca366cc (diff)
parent36f8cd1477b8ebe0537e99abd3ba53471a2e16c4 (diff)
Merge pull request #257 from Rangi42/master
More reorganization
Diffstat (limited to 'home/lcd.asm')
-rw-r--r--home/lcd.asm25
1 files changed, 25 insertions, 0 deletions
diff --git a/home/lcd.asm b/home/lcd.asm
new file mode 100644
index 00000000..e88a42b3
--- /dev/null
+++ b/home/lcd.asm
@@ -0,0 +1,25 @@
+DisableLCD::
+ xor a
+ ld [rIF], a
+ ld a, [rIE]
+ ld b, a
+ res 0, a
+ ld [rIE], a
+
+.wait
+ ld a, [rLY]
+ cp LY_VBLANK
+ jr nz, .wait
+
+ ld a, [rLCDC]
+ and $ff ^ rLCDC_ENABLE_MASK
+ ld [rLCDC], a
+ ld a, b
+ ld [rIE], a
+ ret
+
+EnableLCD::
+ ld a, [rLCDC]
+ set rLCDC_ENABLE, a
+ ld [rLCDC], a
+ ret