diff options
| author | PikalaxALT <PikalaxALT@gmail.com> | 2015-10-31 21:05:02 -0400 |
|---|---|---|
| committer | PikalaxALT <PikalaxALT@gmail.com> | 2015-10-31 21:05:02 -0400 |
| commit | fda1f7c01a9fb2944aeb42f2d2f19a766b2538e6 (patch) | |
| tree | 1bcb2193b68ebb25a189958cab36304f103e7eda /home/map_objects.asm | |
| parent | 8153737bae7169d42b8937c5dc7eec6f669acbb2 (diff) | |
SPRITEMOVEDATA
Diffstat (limited to 'home/map_objects.asm')
| -rw-r--r-- | home/map_objects.asm | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/home/map_objects.asm b/home/map_objects.asm index 74273f343..07a361340 100644 --- a/home/map_objects.asm +++ b/home/map_objects.asm @@ -453,7 +453,10 @@ Function19e9:: ; 19e9 -Function1a13:: ; 1a13 +FindFirstEmptyObjectStruct:: ; 1a13 +; Returns the index of the first empty object struct in A and its address in HL, then sets carry. +; If all object structs are occupied, A = 0 and Z is set. +; Preserves BC and DE. push bc push de ld hl, ObjectStructs @@ -462,15 +465,15 @@ Function1a13:: ; 1a13 .loop ld a, [hl] and a - jr z, .empty + jr z, .break add hl, de dec c jr nz, .loop xor a jr .done -.empty - ld a, $d +.break + ld a, NUM_OBJECT_STRUCTS sub c scf @@ -547,7 +550,7 @@ Function1a71:: ; 1a71 push de ld e, a ld d, 0 - ld hl, ObjectStruct3_Data + 1 + ld hl, ObjectStruct3_Data + 1 ; facing? rept OBJECT_STRUCT_3_DATA_WIDTH add hl, de endr |