Partial documentation of region map

data/strings.s

@@ -2524,161 +2524,142 @@ gUnknown_8418E77:: @ 8418E77
 gUnknown_8418E8A:: @ 8418E8A
 	.string "$"
 
-gUnknown_8418E8B:: @ 8418E8B
+gText_RegionMap_Space:: @ 8418E8B
 	.string " $"
 
-gUnknown_8418E8D:: @ 8418E8D
+gText_RegionMap_AButtonGuide:: @ 8418E8D
 	.string "{A_BUTTON}GUIDE$"
 
-gUnknown_8418E95:: @ 8418E95
+gText_RegionMap_AButtonCancel:: @ 8418E95
 	.string "{A_BUTTON}CANCEL$"
 
-gUnknown_8418E9E:: @ 8418E9E
+gText_RegionMap_AButtonCancel2:: @ 8418E9E
 	.string "{A_BUTTON}CANCEL$"
 
-gUnknown_8418EA7:: @ 8418EA7
+gText_RegionMap_AButtonSwitch:: @ 8418EA7
 	.string "{A_BUTTON}SWITCH$"
 
-gUnknown_8418EB0:: @ 8418EB0
+gText_RegionMap_AButtonOK:: @ 8418EB0
 	.string "{A_BUTTON}OK$"
 
-gUnknown_8418EB5:: @ 8418EB5
+gText_RegionMap_DPadMove:: @ 8418EB5
 	.string "{DPAD_ANY}MOVE$"
 
-gUnknown_8418EBC:: @ 8418EBC
+gText_RegionMap_UpDownPick:: @ 8418EBC
 	.string "{DPAD_UPDOWN}PICK$"
 
-gUnknown_8418EC3:: @ 8418EC3
+gText_RegionMap_NoData:: @ 8418EC3
 	.string "No data$"
 
-gUnknown_8418ECB:: @ 8418ECB
+gText_RegionMap_AreaDesc_ViridianForest::
-	@ Viridian Forest
 	.string "A deep and sprawling forest that\n"
 	.string "extends around VIRIDIAN CITY.\n"
 	.string "A natural maze, many people\n"
 	.string "become lost inside.$"
 
-gUnknown_8418F3A:: @ 8418F3A
+gText_RegionMap_AreaDesc_MtMoon::
-	@ Mt. Moon
 	.string "A mystical mountain that is known\n"
 	.string "for its frequent meteor falls.\n"
 	.string "The shards of stars that fall\n"
 	.string "here are known as MOON STONES.$"
 
-gUnknown_8418FB8:: @ 8418FB8
+gText_RegionMap_AreaDesc_DiglettsCave::
-	@ Diglett's Cave
 	.string "A seemingly plain tunnel that was\n"
 	.string "dug by wild DIGLETT.\n"
 	.string "It is famous for connecting\n"
 	.string "ROUTES 2 and 11.$"
 
-gUnknown_841901C:: @ 841901C
+gText_RegionMap_AreaDesc_VictoryRoad::
-	@ Victory Road
 	.string "A tunnel situated on ROUTE 23.\n"
 	.string "It earned its name because it\n"
 	.string "must be traveled by all TRAINERS\n"
 	.string "aiming for the top.$"
 
-gUnknown_841908E:: @ 841908E
+gText_RegionMap_AreaDesc_PokemonMansion::
-	@ Pokémon Mansion
 	.string "A decrepit, burned-down mansion\n"
 	.string "on CINNABAR ISLAND.\n"
 	.string "It got its name because a famous\n"
 	.string "POKéMON researcher lived there.$"
 
-gUnknown_8419103:: @ 8419103
+gText_RegionMap_AreaDesc_SafariZone::
-	@ Safari Zone
 	.string "An amusement park outside FUCHSIA\n"
 	.string "CITY where many rare POKéMON can\n"
 	.string "be observed in the wild.\n"
 	.string "Catch them in a popular game!$"
 
-gUnknown_841917D:: @ 841917D
+gText_RegionMap_AreaDesc_RockTunnel::
-	@ Rock Tunnel
 	.string "A naturally formed underground\n"
 	.string "tunnel. Because it has not been\n"
 	.string "developed, it is inky dark inside.\n"
 	.string "A light is needed to get through.$"
 
-gUnknown_8419201:: @ 8419201
+gText_RegionMap_AreaDesc_SeafoamIslands::
-	@ Seafoam Islands
 	.string "A pair of islands that is situated\n"
 	.string "on ROUTE 20.\n"
 	.string "The two islands are shaped the\n"
 	.string "same, as if they were twins.$"
 
-gUnknown_841926D:: @ 841926D
+gText_RegionMap_AreaDesc_PokemonTower::
-	@ Pokémon Tower
 	.string "A tower that houses the graves of\n"
 	.string "countless POKéMON.\n"
 	.string "Many people visit it daily to pay\n"
 	.string "their respects to the fallen.$"
 
-gUnknown_84192E2:: @ 84192E2
+gText_RegionMap_AreaDesc_CeruleanCave::
-	@ Cerulean Cave
 	.string "A mysterious cave that is filled\n"
 	.string "with terribly tough POKéMON.\n"
 	.string "It is so dangerous, the POKéMON\n"
 	.string "LEAGUE is in charge of it.$"
 
-gUnknown_841935B:: @ 841935B
+gText_RegionMap_AreaDesc_PowerPlant::
-	@ Power Plant
 	.string "A power plant that was abandoned\n"
 	.string "years ago, though some of the\n"
 	.string "machines still work. It is infested\n"
 	.string "with electric POKéMON.$"
 
-gUnknown_84193D5:: @ 84193D5
+gText_RegionMap_AreaDesc_MtEmber::
-	@ Mt. Ember
 	.string "Supposedly an inactive volcano.\n"
 	.string "However, there are persistent\n"
 	.string "reports that the peak blazes\n"
 	.string "with fire at night.$"
 
-gUnknown_8419444:: @ 8419444
+gText_RegionMap_AreaDesc_BerryForest::
-	@ Berry Forest
 	.string "A forest on a small islet off the\n"
 	.string "coast of THREE ISLAND. BERRIES\n"
 	.string "grow wildly in profusion, quickly\n"
 	.string "replenishing those that fall off.$"
 
-gUnknown_84194C9:: @ 84194C9
+gText_RegionMap_AreaDesc_IcefallCave::
-	@ Icefall Cave
 	.string "A cave which is covered by water\n"
 	.string "and ice on FOUR ISLAND.\n"
 	.string "It seems like the end of the cave\n"
 	.string "is connected to the ocean.$"
 
-gUnknown_841953F:: @ 841953F
+gText_RegionMap_AreaDesc_LostCave::
-	@ Lost Cave
 	.string "A bewildering cave off the coast\n"
 	.string "of RESORT GORGEOUS.\n"
 	.string "Some curious thrill seekers have\n"
 	.string "never emerged from it.$"
 
-gUnknown_84195AC:: @ 84195AC
+gText_RegionMap_AreaDesc_TanobyRuins::
-	@ Tanoby Ruins
 	.string "An ancient ruin that is rumored to\n"
 	.string "be home to a peculiar POKéMON.\n"
 	.string "However, so far, the POKéMON\n"
 	.string "remains an unconfirmed rumor.$"
 
-gUnknown_8419629:: @ 8419629
+gText_RegionMap_AreaDesc_AlteringCave::
-	@ Altering Cave
 	.string "This island has been known by this\n"
 	.string "name since the distant past.\n"
 	.string "No one today knows where it got\n"
 	.string "this name, however.$"
 
-gUnknown_841969D:: @ 841969D
+gText_RegionMap_AreaDesc_PatternBush::
-	@ Pattern Bush
 	.string "A lush and bush-like area. \n"
 	.string "In it are patterns where no grass\n"
 	.string "grows. Some study it in the belief\n"
 	.string "that a secret is concealed.$"
 
-gUnknown_841971A:: @ 841971A
+gText_RegionMap_AreaDesc_DottedHole::
-	@ Dotted Hole
 	.string "A mysterious, just-discovered\n"
 	.string "ruin from an ancient time.\n"
 	.string "It got its name from the six dots\n"

include/map_preview_screen.h

@@ -49,6 +49,6 @@ void sub_80F85BC(u16 a0);
 u16 sub_80F856C(u8 id);
 bool8 sub_80F8110(u8 mapsec, bool8 forceFirstTime);
 bool32 sub_80F83B0(void);
-const struct MapPreviewScreen * sub_80F8544(u8 mapsec);
+const struct MapPreviewScreen * GetDungeonMapPreviewScreenInfo(u8 mapsec);
 
 #endif //GUARD_MAP_PREVIEW_SCREEN_H

include/region_map.h

@@ -24,6 +24,20 @@ enum {
     MAPSECTYPE_CITY_CANTFLY,
 };
 
+enum {
+    MAPPERM_0,
+    MAPPERM_1,
+    MAPPERM_2,
+    MAPPERM_3
+};
+
+enum {
+    REGIONMAP_KANTO,
+    REGIONMAP_SEVII123,
+    REGIONMAP_SEVII45,
+    REGIONMAP_SEVII67
+};
+
 // Exported RAM declarations
 
 // Exported ROM declarations

include/strings.h

@@ -1004,33 +1004,33 @@ extern const u8 gText_LinkBattles[];
 extern const u8 gText_LinkCableBattles[];
 
 // region_map
-extern const u8 gUnknown_8418EB5[];
+extern const u8 gText_RegionMap_DPadMove[];
-extern const u8 gUnknown_8418E8B[];
+extern const u8 gText_RegionMap_Space[];
-extern const u8 gUnknown_8418E8D[];
+extern const u8 gText_RegionMap_AButtonGuide[];
-extern const u8 gUnknown_8418E95[];
+extern const u8 gText_RegionMap_AButtonCancel[];
-extern const u8 gUnknown_8418E9E[];
+extern const u8 gText_RegionMap_AButtonCancel2[];
-extern const u8 gUnknown_8418EA7[];
+extern const u8 gText_RegionMap_AButtonSwitch[];
-extern const u8 gUnknown_8418EB0[];
+extern const u8 gText_RegionMap_AButtonOK[];
-extern const u8 gUnknown_8418EBC[];
+extern const u8 gText_RegionMap_UpDownPick[];
-extern const u8 gUnknown_8418EC3[];
+extern const u8 gText_RegionMap_NoData[];
-extern const u8 gUnknown_8418ECB[];
+extern const u8 gText_RegionMap_AreaDesc_ViridianForest[];
-extern const u8 gUnknown_8418F3A[];
+extern const u8 gText_RegionMap_AreaDesc_MtMoon[];
-extern const u8 gUnknown_8418FB8[];
+extern const u8 gText_RegionMap_AreaDesc_DiglettsCave[];
-extern const u8 gUnknown_841901C[];
+extern const u8 gText_RegionMap_AreaDesc_VictoryRoad[];
-extern const u8 gUnknown_841908E[];
+extern const u8 gText_RegionMap_AreaDesc_PokemonMansion[];
-extern const u8 gUnknown_8419103[];
+extern const u8 gText_RegionMap_AreaDesc_SafariZone[];
-extern const u8 gUnknown_841917D[];
+extern const u8 gText_RegionMap_AreaDesc_RockTunnel[];
-extern const u8 gUnknown_8419201[];
+extern const u8 gText_RegionMap_AreaDesc_SeafoamIslands[];
-extern const u8 gUnknown_841926D[];
+extern const u8 gText_RegionMap_AreaDesc_PokemonTower[];
-extern const u8 gUnknown_84192E2[];
+extern const u8 gText_RegionMap_AreaDesc_CeruleanCave[];
-extern const u8 gUnknown_841935B[];
+extern const u8 gText_RegionMap_AreaDesc_PowerPlant[];
-extern const u8 gUnknown_84193D5[];
+extern const u8 gText_RegionMap_AreaDesc_MtEmber[];
-extern const u8 gUnknown_8419444[];
+extern const u8 gText_RegionMap_AreaDesc_BerryForest[];
-extern const u8 gUnknown_84194C9[];
+extern const u8 gText_RegionMap_AreaDesc_IcefallCave[];
-extern const u8 gUnknown_841953F[];
+extern const u8 gText_RegionMap_AreaDesc_LostCave[];
-extern const u8 gUnknown_84195AC[];
+extern const u8 gText_RegionMap_AreaDesc_TanobyRuins[];
-extern const u8 gUnknown_8419629[];
+extern const u8 gText_RegionMap_AreaDesc_AlteringCave[];
-extern const u8 gUnknown_841969D[];
+extern const u8 gText_RegionMap_AreaDesc_PatternBush[];
-extern const u8 gUnknown_841971A[];
+extern const u8 gText_RegionMap_AreaDesc_DottedHole[];
 
 #endif //GUARD_STRINGS_H

src/map_preview_screen.c

@@ -552,7 +552,7 @@ static void sub_80F83D0(u8 taskId)
     }
 }
 
-const struct MapPreviewScreen * sub_80F8544(u8 mapsec)
+const struct MapPreviewScreen * GetDungeonMapPreviewScreenInfo(u8 mapsec)
 {
     u8 idx;