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authorRangi <remy.oukaour+rangi42@gmail.com>2021-03-24 18:34:33 -0400
committerRangi <remy.oukaour+rangi42@gmail.com>2021-03-24 18:34:33 -0400
commit2fe0cbbb19df504723934f39473064033c64ef6f (patch)
treea00fa3bc7810467bbfcdd215454d54745baa6e17 /audio/engine.asm
parentdc18e188b2948ede03328c0c0cf7ab423cacc861 (diff)
Add some comments regarding 16-bit increment/decrement
Diffstat (limited to 'audio/engine.asm')
-rw-r--r--audio/engine.asm2
1 files changed, 2 insertions, 0 deletions
diff --git a/audio/engine.asm b/audio/engine.asm
index fa3a08297..ca6fd4ab7 100644
--- a/audio/engine.asm
+++ b/audio/engine.asm
@@ -982,6 +982,7 @@ ApplyPitchSlide:
add hl, bc
add [hl]
ld [hl], a
+ ; could have done "jr nc, .no_rollover / inc de / .no_rollover"
ld a, 0
adc e
ld e, a
@@ -1022,6 +1023,7 @@ ApplyPitchSlide:
ld a, [hl]
add a
ld [hl], a
+ ; could have done "jr nc, .no_rollover / dec de / .no_rollover"
ld a, e
sbc 0
ld e, a