Undo PokeCodec's PRs

This commit undoes most of PokeCodec's PRs after the debate in chat. Some
harmless or completely superseded PRs have been left alone, as there is not
much benefit in attempting to undo them.

Reverts #1104, #1108, #1115, #1118, #1119, #1124, #1126, #1127, #1132, #1136,
#1137, #1139, #1140, #1144, #1148, #1149, #1150, #1153, #1155, #1177, #1179,
#1180, #1181, #1182 and #1183.

src/scrcmd.c

@@ -788,8 +788,8 @@ bool8 ScrCmd_warphole(struct ScriptContext *ctx)
 {
     u8 mapGroup = ScriptReadByte(ctx);
     u8 mapNum = ScriptReadByte(ctx);
-    s16 x;
-    s16 y;
+    u16 x;
+    u16 y;
 
     PlayerGetDestCoords(&x, &y);
     if (mapGroup == 0xFF && mapNum == 0xFF)
@@ -1325,9 +1325,9 @@ bool8 ScrCmd_closemessage(struct ScriptContext *ctx)
 
 static bool8 WaitForAorBPress(void)
 {
-    if (JOY_NEW(A_BUTTON))
+    if (gMain.newKeys & A_BUTTON)
         return TRUE;
-    if (JOY_NEW(B_BUTTON))
+    if (gMain.newKeys & B_BUTTON)
         return TRUE;
     return FALSE;
 }