3 files changed, 113 insertions, 0 deletions
diff --git a/include/fieldmap.h b/include/fieldmap.h
new file mode 100644
index 000000000..1abef38da
--- /dev/null
+++ b/include/fieldmap.h
@@ -0,0 +1,37 @@
+#ifndef GUARD_FIELDMAP_H
+#define GUARD_FIELDMAP_H
+
+typedef void (*TilesetCB)(void);
+
+struct Tileset
+{
+    bool8 isCompressed;
+    bool8 isSecondary;
+    void *tiles;
+    void *palettes;
+    void *metatiles;
+    void *metatileAttributes;
+    TilesetCB callback;
+};
+
+struct MapData
+{
+    u32 width;
+    u32 height;
+    void *border;
+    void *map;
+    struct Tileset *primaryTileset;
+    struct Tileset *secondaryTileset;
+};
+
+struct MapHeader
+{
+    struct MapData *mapData;
+    void *events;
+    u8 *mapScripts;
+    // TODO: rest of struct
+};
+
+extern struct MapHeader gMapHeader;
+
+#endif // GUARD_FIELDMAP_H
diff --git a/include/global.h b/include/global.h
index e7e828aec..6fb9e2604 100644
--- a/include/global.h
+++ b/include/global.h
@@ -72,6 +72,39 @@ struct SecretBaseRecord
     u8 partyEVs[6];
 };
 
+struct WarpData
+{
+    s8 mapGroup;
+    s8 mapNum;
+    u8 warpId;
+    s16 x, y;
+};
+
+struct RamScriptData
+{
+    u8 magic;
+    u8 mapGroup;
+    u8 mapNum;
+    u8 objectId;
+    u8 script[995];
+};
+
+struct RamScript
+{
+    u32 checksum;
+    struct RamScriptData data;
+};
+
+struct SaveBlock1
+{
+    struct Coords16 pos;
+    struct WarpData location;
+    u8 filler[0x3684];
+    struct RamScript ramScript;
+};
+
+extern struct SaveBlock1 gSaveBlock1;
+
 struct Time
 {
     s16 days;
diff --git a/include/script.h b/include/script.h
new file mode 100644
index 000000000..d38d176f1
--- /dev/null
+++ b/include/script.h
@@ -0,0 +1,43 @@
+#ifndef GUARD_SCRIPT_H
+#define GUARD_SCRIPT_H
+
+struct ScriptContext;
+
+typedef bool8 (*ScrCmdFunc)(struct ScriptContext *);
+
+struct ScriptContext
+{
+    u8 stackDepth;
+    u8 mode;
+    u8 comparisonResult;
+    u8 (*nativePtr)(void);
+    u8 *scriptPtr;
+    u8 *stack[20];
+    ScrCmdFunc *cmdTable;
+    ScrCmdFunc *cmdTableEnd;
+    u32 data[4];
+};
+
+void script_env_init(struct ScriptContext *ctx, void *cmdTable, void *cmdTableEnd);
+u8 script_setup_bytecode_script(struct ScriptContext *ctx, void *ptr);
+void script_setup_asm_script(struct ScriptContext *ctx, void *ptr);
+void script_stop(struct ScriptContext *ctx);
+u8 sub_80653EC(struct ScriptContext *ctx);
+u8 script_stack_push(struct ScriptContext *ctx, u8 *ptr);
+u8 *script_stack_pop(struct ScriptContext *ctx);
+void script_jump(struct ScriptContext *ctx, u8 *ptr);
+void script_call(struct ScriptContext *ctx, u8 *ptr);
+void script_return(struct ScriptContext *ctx);
+u16 script_read_halfword(struct ScriptContext *ctx);
+u32 script_read_word(struct ScriptContext *ctx);
+void script_env_2_enable(void);
+void script_env_2_disable(void);
+bool8 script_env_2_is_enabled(void);
+void script_env_1_init(void);
+bool8 script_env_2_run_current_script(void);
+void script_env_1_execute_new_script(u8 *ptr);
+void sub_80655F0(void);
+void script_env_2_enable_and_set_ctx_running();
+void script_env_2_execute_new_script(u8 *ptr);
+
+#endif // GUARD_SCRIPT_H