add important headers, const ptrs and egg hatch start

include/bg.h

@@ -0,0 +1,43 @@
+#ifndef GUARD_BG_H
+#define GUARD_BG_H
+
+enum
+{
+    BG_CTRL_ATTR_VISIBLE = 1,
+    BG_CTRL_ATTR_CHARBASEINDEX = 2,
+    BG_CTRL_ATTR_MAPBASEINDEX = 3,
+    BG_CTRL_ATTR_SCREENSIZE = 4,
+    BG_CTRL_ATTR_PALETTEMODE = 5,
+    BG_CTRL_ATTR_PRIORITY = 6,
+    BG_CTRL_ATTR_MOSAIC = 7,
+    BG_CTRL_ATTR_WRAPAROUND = 8,
+};
+
+struct BgTemplate
+{
+    u32 bg:2;
+    u32 charBaseIndex:2;
+    u32 mapBaseIndex:5;
+    u32 screenSize:2;
+    u32 paletteMode:1;
+    u32 priority:2;
+    u32 baseTile:10;
+};
+
+void ResetBgsAndClearDma3BusyFlags(u32 leftoverFireRedLeafGreenVariable);
+void InitBgsFromTemplates(u8 bgMode, const struct BgTemplate *templates, u8 numTemplates);
+void SetBgAttribute(u8 bg, u8 attributeId, u8 value);
+u16 GetBgAttribute(u8 bg, u8 attributeId);
+u32 ChangeBgX(u8 bg, u32 value, u8 op);
+u32 GetBgX(u8 bg);
+u32 ChangeBgY(u8 bg, u32 value, u8 op);
+u32 ChangeBgY_ScreenOff(u8 bg, u32 value, u8 op);
+u32 GetBgY(u8 bg);
+void SetBgAffine(u8 bg, u32 srcCenterX, u32 srcCenterY, s16 dispCenterX, s16 dispCenterY, s16 scaleX, s16 scaleY, u16 rotationAngle);
+void SetBgTilemapBuffer(u8 bg, void *tilemap);
+void UnsetBgTilemapBuffer(u8 bg);
+void CopyToBgTilemapBuffer(u8 bg, const void *src, u16 mode, u16 destOffset);
+void CopyBgTilemapBufferToVram(u8 bg);
+u16 LoadBgTiles(u8 bg, const void* src, u16 size, u16 destOffset);
+
+#endif // GUARD_BG_H

include/dma3.h

@@ -6,7 +6,7 @@ extern u8 gDma3RequestCursor;
 
 struct DmaRequestsStruct
 {
- /* 0x00 */ u8 *src;
+ /* 0x00 */ const u8 *src;
  /* 0x04 */ u8 *dest;
  /* 0x08 */ u16 size;
  /* 0x0A */ u16 mode;
@@ -17,7 +17,7 @@ extern struct DmaRequestsStruct gDma3Requests[128];
 
 void ClearDma3Requests(void);
 void ProcessDma3Requests(void);
-int RequestDma3Copy(void *src, void *dest, u16 size, u8 mode);
+int RequestDma3Copy(const void *src, void *dest, u16 size, u8 mode);
 int RequestDma3Fill(s32 value, void *dest, u16 size, u8 mode);
 
 #endif

include/global.h

@@ -639,7 +639,8 @@ struct DaycareMon
     struct MailStruct mail;
     u8 OT_name[OT_NAME_LENGTH + 1];
     u8 monName[11];
-    u8 language;
+    u8 language_maybe : 4;
+    u8 unknown : 4;
     u32 stepsTaken;
 };
 

include/gpu_regs.h

@@ -0,0 +1,12 @@
+#ifndef GUARD_GPU_REGS_H
+#define GUARD_GPU_REGS_H
+
+void SetGpuReg(u8 regOffset, u16 value);
+void SetGpuReg_ForcedBlank(u8 regOffset, u16 value);
+u16 GetGpuReg(u8 regOffset);
+void SetGpuRegBits(u8 regOffset, u16 mask);
+void ClearGpuRegBits(u8 regOffset, u16 mask);
+void EnableInterrupts(u16 mask);
+void DisableInterrupts(u16 mask);
+
+#endif // GUARD_GPU_REGS_H

include/m4a.h

@@ -4,6 +4,7 @@
 #include "gba/m4a_internal.h"
 
 void m4aSoundVSync(void);
+void m4aSoundVSyncOn(void);
 
 void m4aSoundInit(void);
 void m4aSoundMain(void);

include/text.h

@@ -155,7 +155,7 @@ extern u8 gStringVar3[];
 extern u8 gStringVar4[];
 
 void SetFontsPointer(const struct FontInfo *fonts);
-void DeactivateAllTextPrinters (void);
+void DeactivateAllTextPrinters(void);
 u16 PrintTextOnWindow(u8 windowId, u8 fontId, u8 *str, u8 x, u8 y, u8 speed, void (*callback)(struct TextSubPrinter *, u16));
 bool16 AddTextPrinter(struct TextSubPrinter *textSubPrinter, u8 speed, void (*callback)(struct TextSubPrinter *, u16));
 void RunTextPrinters(void);

include/window.h

@@ -30,7 +30,7 @@ struct Window
     u8 *tileData;
 };
 
-bool16 InitWindows(struct WindowTemplate *templates);
+bool16 InitWindows(const struct WindowTemplate *templates);
 u16 AddWindow(const struct WindowTemplate *template);
 int AddWindowWithoutTileMap(struct WindowTemplate *template);
 void RemoveWindow(u8 windowId);