diff --git a/file_setup.sh b/file_setup.sh
new file mode 100644
index 0000000000..deba14b72f
--- /dev/null
+++ b/file_setup.sh
@@ -0,0 +1,22 @@
+#!/bin/bash
+
+if [ "$#" -ne "2" ];
+then
+    echo "usage: $0 file_name src_path"
+    echo "e.g. $0 z_actor code"
+    exit 1
+fi
+
+# Split asm file, create base c file, and add it to the list of non-matchings
+tools/split_asm.py -c "src/$2/$1.c" "asm/$1.asm" "asm/non_matchings/$1"
+echo "$1" >> tables/files_with_nonmatching.txt
+
+# Edit linker script to use new .c file
+sed -i "s/asm\/$1.o/src\/${2//\//\\\/}\/$1.o/g" linker_scripts/code_script.txt
+
+# Build with new file
+make build/code.elf
+
+# Copy newly-built .o file to expected/ for use by the diff script
+mkdir -p "expected/build/src/$2/"
+cp "build/src/$2/$1.o" "expected/build/src/$2/$1.o"
\ No newline at end of file
diff --git a/tools/split_asm.py b/tools/split_asm.py
index d966682b47..77d70d1482 100644
--- a/tools/split_asm.py
+++ b/tools/split_asm.py
@@ -40,7 +40,10 @@ if __name__ == '__main__':
             current_file.close()
 
     if args.c_base != None:
+        os.makedirs(os.path.dirname(args.c_base), exist_ok=True)
         with open(args.c_base, 'w') as f:
+            f.write('#include <ultra64.h>\n#include <global.h>\n\n')
+
             for name in file_names:
                 f.write('GLOBAL_ASM("{}")\n\n'.format(name))