Cleanup of main.c

src/main.c

@@ -132,7 +132,7 @@ void AgbMain()
     InitMapMusic();
     ClearDma3Requests();
     ResetBgs();
-    InitHeap(gHeap, 0x1C000);
+    InitHeap(gHeap, HEAP_SIZE);
     SetDefaultFontsPointer();
 
     gSoftResetDisabled = FALSE;
@@ -162,7 +162,7 @@ void AgbMain()
             DoSoftReset();
         }
 
-        if (sub_80582E0() == 1)
+        if (Overworld_SendKeysToLinkIsRunning() == TRUE)
         {
             gLinkTransferringData = TRUE;
             UpdateLinkAndCallCallbacks();
@@ -173,7 +173,7 @@ void AgbMain()
             gLinkTransferringData = FALSE;
             UpdateLinkAndCallCallbacks();
 
-            if (sub_8058274() == 1)
+            if (Overworld_RecvKeysFromLinkIsRunning() == 1)
             {
                 gMain.newKeys = 0;
                 ClearSpriteCopyRequests();
@@ -293,16 +293,16 @@ static void ReadKeys(void)
     gMain.heldKeys = gMain.heldKeysRaw;
 
     // Remap L to A if the L=A option is enabled.
-    if (gSaveBlock2Ptr->optionsButtonMode == 2)
+    if (gSaveBlock2Ptr->optionsButtonMode == OPTIONS_BUTTON_MODE_L_EQUALS_A)
     {
-        if (gMain.newKeys & L_BUTTON)
+        if (JOY_NEW(L_BUTTON))
             gMain.newKeys |= A_BUTTON;
 
-        if (gMain.heldKeys & L_BUTTON)
+        if (JOY_HELD(L_BUTTON))
             gMain.heldKeys |= A_BUTTON;
     }
 
-    if (gMain.newKeys & gMain.watchedKeysMask)
+    if (JOY_NEW(gMain.watchedKeysMask))
         gMain.watchedKeysPressed = TRUE;
 }
 
@@ -323,7 +323,7 @@ void InitIntrHandlers(void)
 
     REG_IME = 1;
 
-    EnableInterrupts(0x1);
+    EnableInterrupts(INTR_FLAG_VBLANK);
 }
 
 void SetVBlankCallback(IntrCallback callback)