Decompile z_map_exp.c (2 non matchings left) (#104)

Also documented the map data table (not decompiled yet however), and added a DungeonItem enum to use with gSaveContext.dungeonItems reads/writes.

data/z_map_data.data.s

@@ -0,0 +1,122 @@
+.include "macro.inc"
+
+# assembler directives
+.set noat      # allow manual use of $at
+.set noreorder # don't insert nops after branches
+.set gp=64     # allow use of 64-bit general purposee registers
+
+.section .data
+
+glabel D_80123A70
+    .incbin "baserom.z64", 0xB9AC10, 0xA0
+
+glabel D_80123B10
+    .incbin "baserom.z64", 0xB9ACB0, 0x10
+
+glabel D_80123B20
+    .incbin "baserom.z64", 0xB9ACC0, 0x280
+
+glabel D_80123DA0
+    .incbin "baserom.z64", 0xB9AF40, 0x14
+
+glabel D_80123DB4
+    .incbin "baserom.z64", 0xB9AF54, 0x8C0
+
+glabel D_80124674
+    .incbin "baserom.z64", 0xB9B814, 0x370
+
+glabel D_801249E4
+    .incbin "baserom.z64", 0xB9BB84, 0x370
+
+glabel D_80124D54
+    .incbin "baserom.z64", 0xB9BEF4, 0xC
+
+glabel D_80124D60
+    .incbin "baserom.z64", 0xB9BF00, 0x14
+
+glabel D_80124D74
+    .incbin "baserom.z64", 0xB9BF14, 0x30
+
+glabel D_80124DA4
+    .incbin "baserom.z64", 0xB9BF44, 0x30
+
+glabel D_80124DD4
+    .incbin "baserom.z64", 0xB9BF74, 0x30
+
+glabel D_80124E04
+    .incbin "baserom.z64", 0xB9BFA4, 0x30
+
+glabel D_80124E34
+    .incbin "baserom.z64", 0xB9BFD4, 0xC0
+
+glabel D_80124EF4
+    .incbin "baserom.z64", 0xB9C094, 0x14
+
+glabel D_80124F08
+    .incbin "baserom.z64", 0xB9C0A8, 0x50
+
+glabel D_80124F58
+    .incbin "baserom.z64", 0xB9C0F8, 0x30
+
+glabel D_80124F88
+    .incbin "baserom.z64", 0xB9C128, 0x30
+
+glabel D_80124FB8
+    .incbin "baserom.z64", 0xB9C158, 0x30
+
+glabel D_80124FE8
+    .incbin "baserom.z64", 0xB9C188, 0x30
+
+glabel D_80125018
+    .incbin "baserom.z64", 0xB9C1B8, 0x28
+
+glabel D_80125040
+    .incbin "baserom.z64", 0xB9C1E0, 0x140
+
+glabel D_80125180
+    .incbin "baserom.z64", 0xB9C320, 0x14
+
+glabel D_80125194
+    .incbin "baserom.z64", 0xB9C334, 0x200
+
+glabel D_80125394
+    .incbin "baserom.z64", 0xB9C534, 0x200
+
+glabel D_80125594
+    .incbin "baserom.z64", 0xB9C734, 0x200
+
+glabel D_80125794
+    .incbin "baserom.z64", 0xB9C934, 0x50
+
+glabel D_801257E4
+    .incbin "baserom.z64", 0xB9C984, 0x14
+
+glabel gMapDataTable
+    .word D_80123A70
+    .word D_80123B10
+    .word D_80123B20
+    .word D_80123DA0
+    .word D_80123DB4
+    .word D_80124674
+    .word D_801249E4
+    .word D_80124D54
+    .word D_80124D60
+    .word D_80124D74
+    .word D_80124DA4
+    .word D_80124DD4
+    .word D_80124E04
+    .word D_80124E34
+    .word D_80124EF4
+    .word D_80124F08
+    .word D_80124F58
+    .word D_80124F88
+    .word D_80124FB8
+    .word D_80124FE8
+    .word D_80125018
+    .word D_80125040
+    .word D_80125180
+    .word D_80125194
+    .word D_80125394
+    .word D_80125594
+    .word D_80125794
+    .word D_801257E4