summaryrefslogtreecommitdiff
path: root/home/lcdc.asm
diff options
context:
space:
mode:
Diffstat (limited to 'home/lcdc.asm')
-rw-r--r--home/lcdc.asm19
1 files changed, 19 insertions, 0 deletions
diff --git a/home/lcdc.asm b/home/lcdc.asm
new file mode 100644
index 00000000..7057f755
--- /dev/null
+++ b/home/lcdc.asm
@@ -0,0 +1,19 @@
+LCDC:: ; 15ac (0:15ac)
+ push af
+ ld a,[hLCDCPointer] ; doubles as enabling byte
+ and a
+ jr z,.noLCDCInterrupt
+ push hl
+ ld a,[rLY]
+ ld l,a
+ ld h,$c7
+ ld h,[hl] ; h != not part of pointer
+ ld a,[hLCDCPointer]
+ ld l,a
+ ld a,h
+ ld h,$ff
+ ld [hl],a
+ pop hl
+.noLCDCInterrupt
+ pop af
+ reti \ No newline at end of file