Update asmdiff.sh (#40)

port over the pokeemerald asmdiff

1 files changed, 14 insertions, 2 deletions

diff --git a/asmdiff.sh b/asmdiff.sh
index 7c20855..3b92ab5 100755
--- a/asmdiff.sh
+++ b/asmdiff.sh
@@ -1,7 +1,19 @@
 #!/bin/bash
 
-OBJDUMP="$DEVKITARM/bin/arm-none-eabi-objdump -D -bbinary -marmv4t -Mforce-thumb"
-OPTIONS="--start-address=$(($1)) --stop-address=$(($1 + $2))"
+if [[ -d "$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 pmd_red.gba > pmd_red.dump
 diff -u baserom.dump pmd_red.dump