1 files changed, 29 insertions, 0 deletions
diff --git a/tools/first_diff.py b/tools/first_diff.py
new file mode 100755
index 0000000..c0702c8
--- /dev/null
+++ b/tools/first_diff.py
@@ -0,0 +1,29 @@
+#!/usr/bin/env python3
+
+from __future__ import annotations
+
+import argparse
+import mapfile_parser
+from pathlib import Path
+
+
+def firstDiffMain():
+    parser = argparse.ArgumentParser(description="Find the first difference(s) between the built ROM and the base ROM.")
+
+    parser.add_argument("-c", "--count", type=int, default=5, help="find up to this many instruction difference(s)")
+    parser.add_argument("-v", "--version", help="Which version should be processed", default="jp")
+
+    args = parser.parse_args()
+
+    buildFolder = Path("build")
+
+    BUILTROM = buildFolder / f"animalforest_uncompressed.{args.version}.z64"
+    BUILTMAP = buildFolder / f"animalforest.{args.version}.map"
+
+    EXPECTEDROM = "expected" / BUILTROM
+    EXPECTEDMAP = "expected" / BUILTMAP
+
+    exit(mapfile_parser.frontends.first_diff.doFirstDiff(BUILTMAP, EXPECTEDMAP, BUILTROM, EXPECTEDROM, args.count, mismatchSize=True))
+
+if __name__ == "__main__":
+    firstDiffMain()