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34 lines
525 B
34 lines
525 B
INCLUDE "hardware.inc"
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INCLUDE "png/map/intro.inc"
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SECTION "BG0", ROM0
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BG_Init::
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; copy map
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ld e, intro_HEIGHT
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ld bc, _SCRN0
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ld hl, intro_MAP
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.copy_map_row:
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ld d, intro_WIDTH
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call memcpy
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dec e
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jr z, .done
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ld d, 32 - intro_WIDTH
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.skip:
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; skip over trailing part in vram
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inc c
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jr nz, .nocarry
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inc b
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.nocarry:
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dec d
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jr nz, .skip
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jr .copy_map_row
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.done:
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; copy tiles
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ld hl, intro_TILES
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ld bc, _VRAM
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ld d, intro_NUM_TILES
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call memcpy
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ret
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