2017-12-28 04:23:44 -08:00
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bccoord EQUS "coord bc,"
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decoord EQUS "coord de,"
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hlcoord EQUS "coord hl,"
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2017-12-13 21:36:24 -08:00
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coord: MACRO
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; register, x, y[, origin]
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if _NARG < 4
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ld \1, TileMap + SCREEN_WIDTH * (\3) + (\2)
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else
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ld \1, \4 + SCREEN_WIDTH * (\3) + (\2)
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endc
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ENDM
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dwcoord: MACRO
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rept _NARG / 2
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dw TileMap + SCREEN_WIDTH * (\2) + (\1)
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shift
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shift
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endr
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ENDM
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ldcoord_a: MACRO
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if _NARG < 3
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ld [TileMap + SCREEN_WIDTH * (\2) + (\1)], a
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else
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ld [\3 + SCREEN_WIDTH * (\2) + (\1)], a
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endc
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ENDM
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lda_coord: MACRO
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if _NARG < 3
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ld a, [TileMap + SCREEN_WIDTH * (\2) + (\1)]
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else
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ld a, [\3 + SCREEN_WIDTH * (\2) + (\1)]
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endc
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ENDM
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bgrows EQUS "* $20" ; SCREEN_WIDTH
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hlbgcoord EQUS "bgcoord hl,"
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debgcoord EQUS "bgcoord de,"
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bcbgcoord EQUS "bgcoord bc,"
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bgcoord: MACRO
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IF _NARG >= 4
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ld \1, \3 bgrows + \2 + \4
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ELSE
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2017-12-28 04:32:33 -08:00
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ld \1, \3 bgrows + \2 + vBGMap0
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2017-12-13 21:36:24 -08:00
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ENDC
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ENDM
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