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33 lines
406 B
NASM
33 lines
406 B
NASM
IsInJohto::
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; Return 0 if the player is in Johto, and 1 in Kanto.
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ld a, [wMapGroup]
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ld b, a
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ld a, [wMapNumber]
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ld c, a
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call GetWorldMapLocation
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cp FAST_SHIP
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jr z, .Johto
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cp SPECIAL_MAP
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jr nz, .CheckRegion
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ld a, [wBackupMapGroup]
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ld b, a
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ld a, [wBackupMapNumber]
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ld c, a
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call GetWorldMapLocation
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.CheckRegion:
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cp KANTO_LANDMARK
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jr nc, .Kanto
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.Johto:
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xor a
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ret
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.Kanto:
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ld a, 1
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ret
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