2017-12-13 21:36:24 -08:00
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RGB: MACRO
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rept _NARG / 3
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2018-01-07 10:11:29 -08:00
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dw palred (\1) + palgreen (\2) + palblue (\3)
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2020-04-04 11:42:31 -07:00
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shift 3
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2017-12-13 21:36:24 -08:00
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endr
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ENDM
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2018-01-07 10:11:29 -08:00
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palred EQUS "(1 << 0) *"
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palgreen EQUS "(1 << 5) *"
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palblue EQUS "(1 << 10) *"
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2018-01-22 16:57:35 -08:00
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palettes EQUS "* PALETTE_SIZE"
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palette EQUS "+ PALETTE_SIZE *"
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color EQUS "+ PAL_COLOR_SIZE *"
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2018-01-22 16:40:17 -08:00
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tiles EQUS "* LEN_2BPP_TILE"
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tile EQUS "+ LEN_2BPP_TILE *"
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2018-08-31 18:39:17 -07:00
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; extracts the middle two colors from a 2bpp binary palette
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; example usage:
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; INCBIN "foo.gbcpal", middle_colors
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middle_colors EQUS "PAL_COLOR_SIZE, PAL_COLOR_SIZE * 2"
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2020-04-04 12:19:43 -07:00
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dbpixel: MACRO
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if _NARG >= 4
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; x tile, y tile, x pixel, y pixel
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db \1 * TILE_WIDTH + \3, \2 * TILE_WIDTH + \4
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else
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; x tile, y tile
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db \1 * TILE_WIDTH, \2 * TILE_WIDTH
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endc
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ENDM
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ldpixel: MACRO
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if _NARG >= 5
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; register, x tile, y tile, x pixel, y pixel
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lb \1, \2 * TILE_WIDTH + \4, \3 * TILE_WIDTH + \5
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else
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; register, x tile, y tile
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lb \1, \2 * TILE_WIDTH, \3 * TILE_WIDTH
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endc
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ENDM
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depixel EQUS "ldpixel de,"
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bcpixel EQUS "ldpixel bc,"
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dsprite: MACRO
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; y tile, y pixel, x tile, x pixel, vtile offset, attributes
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db (\1 * TILE_WIDTH) % $100 + \2, (\3 * TILE_WIDTH) % $100 + \4, \5, \6
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ENDM
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