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56 lines
579 B
NASM
56 lines
579 B
NASM
PlaceGraphic: ; 2ef6e
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; Fill wBoxAlignment-aligned box width b height c
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; with iterating tile starting from hGraphicStartTile at hl.
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ld de, SCREEN_WIDTH
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ld a, [wBoxAlignment]
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and a
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jr nz, .right
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ld a, [hGraphicStartTile]
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.x1
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push bc
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push hl
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.y1
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ld [hl], a
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add hl, de
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inc a
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dec c
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jr nz, .y1
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pop hl
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inc hl
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pop bc
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dec b
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jr nz, .x1
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ret
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.right
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; Right-aligned.
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push bc
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ld b, 0
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dec c
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add hl, bc
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pop bc
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ld a, [hGraphicStartTile]
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.x2
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push bc
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push hl
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.y2
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ld [hl], a
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add hl, de
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inc a
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dec c
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jr nz, .y2
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pop hl
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dec hl
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pop bc
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dec b
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jr nz, .x2
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ret
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