mirror of https://github.com/pret/pokecrystal.git
65 lines
1.0 KiB
NASM
65 lines
1.0 KiB
NASM
screenrows EQUS "* SCREEN_WIDTH"
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bgrows EQUS "* BG_MAP_WIDTH"
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hlcoord EQUS "coord hl,"
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bccoord EQUS "coord bc,"
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decoord EQUS "coord de,"
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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, (\3) screenrows + (\2) + TileMap
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else
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ld \1, (\3) screenrows + (\2) + \4
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endc
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ENDM
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hlbgcoord EQUS "bgcoord hl,"
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bcbgcoord EQUS "bgcoord bc,"
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debgcoord EQUS "bgcoord de,"
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bgcoord: MACRO
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; register, x, y[, origin]
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if _NARG < 4
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ld \1, (\3) bgrows + (\2) + vBGMap0
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else
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ld \1, (\3) bgrows + (\2) + \4
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endc
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ENDM
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hldims EQUS "dims hl,"
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bcdims EQUS "dims bc,"
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dedims EQUS "dims de,"
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dims: MACRO
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; register, width, height
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lb \1, \3, \2
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ENDM
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dwcoord: MACRO
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; x, y
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rept _NARG / 2
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dw (\2) screenrows + (\1) + TileMap
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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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; x, y[, origin]
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if _NARG < 3
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ld [(\2) screenrows + (\1) + TileMap], a
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else
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ld [(\2) screenrows + (\1) + \3], a
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endc
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ENDM
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lda_coord: MACRO
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; x, y[, origin]
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if _NARG < 3
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ld a, [(\2) screenrows + (\1) + TileMap]
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else
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ld a, [(\2) screenrows + (\1) + \3]
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endc
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ENDM
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