Wonder mail and some boss dialogues (#36)

* more wonder mail and main menu work

* Lots of things.. doc'ing, decomping, and other things

* continue decomping boss scenes

* up to Suicune

* up to Mewtwo dialogue

* up to Raquaza

* fix spelling error on Rayquaza and decomp a few more

* up to groudon

* divide > shift

4 files changed, 69 insertions, 4 deletions

diff --git a/include/code_8041D5C.h b/include/code_8041D5C.h
index e0cf614..712aa2f 100644
--- a/include/code_8041D5C.h
+++ b/include/code_8041D5C.h
@@ -6,17 +6,39 @@ struct subStruct_8048524
     u8 fill0[0x6];
     u8 unk6;
     u8 unk7;
-    u8 fill8[0xAC - 0x8];
+    u8 fill8[0xE - 0x8];
+    s16 unkE; // HP??
+    s16 unk10;
+    u8 fill12[0x46 - 0x12];
+    u8 unk46;
+    u8 fill47[0xA4 - 0x47];
+    u8 unkA4;
+    u8 fillA5[0xAC - 0xA5];
     u8 unkAC;
-    u8 fillAD[0x112 - 0xAD];
+    u8 fillAD[0xFB - 0xAD];
+    u8 unkFB;
+    u8 fillFC[0x112 - 0xFC];
     u8 unk112;
     u8 fill113[0x13C - 0x113];
     u32 unk13C;
+    u8 fill140[0x15C - 0x140];
+    u8 unk15C;
+    u8 unk15D;
+    u8 unk15E;
+    u8 unk15F;
+    u8 fill160[0x174 - 0x160];
+    u32 unk174;
 };
 
 struct unkDungeon_8041D5C
 {
-    u8 padding[0x70];
+    u8 fill0[4];
+    s16 unk4;
+    s16 unk6;
+    u32 unk8;
+    s32 unkC;
+    s32 unk10;
+    u8 fill14[0x70 - 0x14];
     struct subStruct_8048524 *unk70;
 };
 
diff --git a/include/gUnknown_203B418.h b/include/gUnknown_203B418.h
new file mode 100644
index 0000000..a3e287a
--- /dev/null
+++ b/include/gUnknown_203B418.h
@@ -0,0 +1,36 @@
+#include "code_8041D5C.h"
+
+struct unkStruct_203B418
+{
+    u8 unk0;
+    u8 unk1;
+    u8 unk2;
+    u8 unk3;
+    u8 unk4;
+    u8 fill5[2];
+    u8 unk7;
+    u8 fill8[0x11 - 8];
+    u8 unk11;
+    u8 fill12[0xE23C - 0x12];
+    s16 unkE23C;
+    s16 unkE23E;
+    u8 fillE240[0xE265 - 0xE240];
+    u8 unkE265;
+    u8 fillE266[0xE26B - 0xE266];
+    u8 unkE26B;
+    u8 unkE26C;
+    u8 fillE26D[0x1356C - 0xE26D];
+    u8 unk1356C;
+    u8 fill1356D[0x1358C - 0x1356D];
+    struct unkDungeon_8041D5C *unk1358C[0x10];
+    u8 fill135CC[0x181FC - 0x135CC];
+    u32 unk181FC;
+    u32 unk18200;
+    u32 unk18204;
+    u8 unk18208[3];
+    u8 unk1820B;
+    u32 unk1820C;
+    u32 unk18210;
+    u8 padding2[3];
+    u8 unk18217;
+};
diff --git a/include/gba/io_reg.h b/include/gba/io_reg.h
index 2453645..e50b580 100644
--- a/include/gba/io_reg.h
+++ b/include/gba/io_reg.h
@@ -597,6 +597,9 @@
 // BLDALPHA
 #define BLDALPHA_BLEND(target1, target2) (((target2) << 8) | (target1))
 
+// There is one time that we need to reverse the OR to match in PMD
+#define BLDALPHA_BLEND1(target1, target2) ((target1) | ((target2) << 8))
+
 // SOUNDCNT_H
 #define SOUND_CGB_MIX_QUARTER 0x0000
 #define SOUND_CGB_MIX_HALF    0x0001
diff --git a/include/main_menu.h b/include/main_menu.h
index 824cee4..db92f83 100644
--- a/include/main_menu.h
+++ b/include/main_menu.h
@@ -4,12 +4,16 @@
 enum MainMenuScreens
 {
     MENU_MAIN_SCREEN = 1,
+    MENU_NEW_GAME = 3,
+    MENU_AWAITING_RESCUE = 6,
     MENU_CONTINUE = 7,
     MENU_DELETE_SAVE_PROMPT,
     MENU_ADVENTURE_LOG = 10,
     MENU_FRIEND_RESCUE,
     MENU_TRADE_ITEMS,
     MENU_WONDER_MAIL,
+    MENU_DUAL_SLOT,
+    MENU_WIRELESS_COMMS,
     MENU_DEBUG = 16,
     MENU_COMMUNICATION_1 = 19,
     MENU_COMMUNICATION_2,
@@ -39,7 +43,7 @@ struct MainMenu
     /* 0x8 */ s32 lastMenu;
     u8 padding[0x20];
     /* 0x2C */ struct MainMenuSub sub;
-    u32 unk30;
+    u8 unk30;
     u32 unk34;
     s16 unk38;
     u8 unk3A;