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44 lines
796 B
44 lines
796 B
INCLUDE "hardware.inc"
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SECTION "Title Loop", ROM0
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titleTiles: INCBIN "png/bg/title.2bpp"
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titleMap: INCBIN "png/bg/title.tilemap"
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titleMapEnd:
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DEF TITLE_TILES_SIZE EQUS "titleMap - titleTiles"
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DEF TITLE_MAP_SIZE EQUS "titleMapEnd - titleMap"
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Title_Start::
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; load title screen
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ld bc, _VRAM
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ld hl, titleTiles
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ld de, TITLE_TILES_SIZE
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call memcpy16
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; could probably be sped up...
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FOR Y, 18
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ld bc, _SCRN0 + 32 * Y
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ld hl, titleMap + 20 * Y
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ld d, 20
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call memcpy
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ENDR
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; enable lcd, sprites and interrupts
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ld hl, rLCDC
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set 7, [hl]
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set 1, [hl]
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ei
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.loop:
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ld hl, frame
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inc [hl]
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call Keys_Update
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; todo: check for start press and transition to game state
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; wait for vblank
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halt
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jr .loop
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