mirror of
https://github.com/pret/pokered.git
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66 lines
1.1 KiB
NASM
66 lines
1.1 KiB
NASM
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validateCoords: MACRO
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IF \1 >= SCREEN_WIDTH
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fail "x coord out of range"
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ENDC
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IF \2 >= SCREEN_HEIGHT
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fail "y coord out of range"
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ENDC
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ENDM
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;\1 = r
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;\2 = X
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;\3 = Y
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;\4 = which tilemap (optional)
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coord: MACRO
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validateCoords \2, \3
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IF _NARG >= 4
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ld \1, \4 + SCREEN_WIDTH * \3 + \2
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ELSE
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ld \1, wTileMap + SCREEN_WIDTH * \3 + \2
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ENDC
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ENDM
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;\1 = X
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;\2 = Y
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;\3 = which tilemap (optional)
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aCoord: MACRO
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validateCoords \1, \2
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IF _NARG >= 3
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ld a, [\3 + SCREEN_WIDTH * \2 + \1]
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ELSE
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ld a, [wTileMap + SCREEN_WIDTH * \2 + \1]
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ENDC
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ENDM
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;\1 = X
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;\2 = Y
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;\3 = which tilemap (optional)
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Coorda: MACRO
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validateCoords \1, \2
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IF _NARG >= 3
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ld [\3 + SCREEN_WIDTH * \2 + \1], a
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ELSE
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ld [wTileMap + SCREEN_WIDTH * \2 + \1], a
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ENDC
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ENDM
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;\1 = X
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;\2 = Y
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;\3 = which tilemap (optional)
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dwCoord: MACRO
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validateCoords \1, \2
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IF _NARG >= 3
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dw \3 + SCREEN_WIDTH * \2 + \1
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ELSE
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dw wTileMap + SCREEN_WIDTH * \2 + \1
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ENDC
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ENDM
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;\1 = r
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;\2 = X
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;\3 = Y
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;\4 = map width
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overworldMapCoord: MACRO
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ld \1, wOverworldMap + ((\2) + 3) + (((\3) + 3) * ((\4) + (3 * 2)))
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ENDM
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