mirror of
https://gitlab.com/xCrystal/pokecrystal-board.git
synced 2024-11-16 11:27:33 -08:00
57 lines
599 B
NASM
57 lines
599 B
NASM
Predef_PlaceGraphic: ; 2ef6e
|
|
; Fill wBoxAlignment-aligned box width b height c
|
|
; with iterating tile starting from hGraphicStartTile at hl.
|
|
; Predef $13
|
|
|
|
ld de, SCREEN_WIDTH
|
|
|
|
ld a, [wBoxAlignment]
|
|
and a
|
|
jr nz, .right
|
|
|
|
ld a, [hGraphicStartTile]
|
|
.x1
|
|
push bc
|
|
push hl
|
|
|
|
.y1
|
|
ld [hl], a
|
|
add hl, de
|
|
inc a
|
|
dec c
|
|
jr nz, .y1
|
|
|
|
pop hl
|
|
inc hl
|
|
pop bc
|
|
dec b
|
|
jr nz, .x1
|
|
ret
|
|
|
|
.right
|
|
; Right-aligned.
|
|
push bc
|
|
ld b, 0
|
|
dec c
|
|
add hl, bc
|
|
pop bc
|
|
|
|
ld a, [hGraphicStartTile]
|
|
.x2
|
|
push bc
|
|
push hl
|
|
|
|
.y2
|
|
ld [hl], a
|
|
add hl, de
|
|
inc a
|
|
dec c
|
|
jr nz, .y2
|
|
|
|
pop hl
|
|
dec hl
|
|
pop bc
|
|
dec b
|
|
jr nz, .x2
|
|
ret
|