pokecrystal-board/engine/landmarks.asm

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GetLandmarkCoords: ; 0x1ca896
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; Return coordinates (d, e) of landmark e.
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push hl
ld l, e
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ld h, 0
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add hl, hl
add hl, hl
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ld de, Landmarks
add hl, de
ld a, [hli]
ld e, a
ld d, [hl]
pop hl
ret
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; 0x1ca8a5
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GetLandmarkName:: ; 0x1ca8a5
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; Copy the name of landmark e to StringBuffer1.
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push hl
push de
push bc
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ld l, e
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ld h, 0
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add hl, hl
add hl, hl
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ld de, Landmarks + 2
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add hl, de
ld a, [hli]
ld h, [hl]
ld l, a
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ld de, StringBuffer1
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ld c, 18
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.copy
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ld a, [hli]
ld [de], a
inc de
dec c
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jr nz, .copy
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pop bc
pop de
pop hl
ret
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; 0x1ca8c3
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INCLUDE "data/maps/landmarks.asm"
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RegionCheck: ; 0x1caea1
; Checks if the player is in Kanto or Johto.
; If in Johto, returns 0 in e.
; If in Kanto, returns 1 in e.
ld a, [MapGroup]
ld b, a
ld a, [MapNumber]
ld c, a
call GetWorldMapLocation
cp FAST_SHIP ; S.S. Aqua
jr z, .johto
cp SPECIAL_MAP
jr nz, .checkagain
; In a special map, get the backup map group / map id
ld a, [BackupMapGroup]
ld b, a
ld a, [BackupMapNumber]
ld c, a
call GetWorldMapLocation
.checkagain
cp KANTO_LANDMARK
jr c, .johto
; Victory Road area is considered to be Johto.
cp VICTORY_ROAD
jr c, .kanto
.johto
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ld e, JOHTO_REGION
ret
.kanto
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ld e, KANTO_REGION
ret