[Round 3] Apply all source related changes for the new INSTALL.md in one commit.

asmdiff.sh

@@ -1,11 +1,19 @@
 #!/bin/bash
 
-OBJDUMP="$DEVKITARM/bin/arm-none-eabi-objdump -D -bbinary -marmv4t -Mforce-thumb"
+if [[ -d "$DEVKITARM/bin/" ]]; then
+    OBJDUMP_BIN="$DEVKITARM/bin/arm-none-eabi-objdump"
+else
+    OBJDUMP_BIN="arm-none-eabi-objdump"
+fi
+
+OBJDUMP="$OBJDUMP_BIN -D -bbinary -marmv4t -Mforce-thumb"
+
 if [ $(($1)) -ge $((0x8000000)) ]; then
     OPTIONS="--adjust-vma=0x8000000 --start-address=$(($1)) --stop-address=$(($1 + $2))"
 else
     OPTIONS="--start-address=$(($1)) --stop-address=$(($1 + $2))"
 fi
+
 $OBJDUMP $OPTIONS baserom.gba > baserom.dump
 $OBJDUMP $OPTIONS pokeemerald.gba > pokeemerald.dump
 diff -u baserom.dump pokeemerald.dump