diff --git a/patch_roms.sh b/patch_roms.sh
index 540ab96..6923983 100755
--- a/patch_roms.sh
+++ b/patch_roms.sh
@@ -55,8 +55,16 @@ fi
 echo "$([ $DRY_RUN -eq 1 ] && echo '[DRY RUN] ')Processing patches..."
 echo
 
+# Initialize counters
+total_patches=0
+existing_roms=0
+new_patches=0
+failed_patches=0
+
 # Find all .bps files and extract week numbers
 while IFS= read -r patch_file; do
+    ((total_patches++))
+    
     # Extract week number from filename
     if [[ $patch_file =~ Week([0-9]+)\.bps$ ]]; then
         week_num="${BASH_REMATCH[1]}"
@@ -64,10 +72,18 @@ while IFS= read -r patch_file; do
         padded_week=$(printf "Week%03d.smc" "$week_num")
         output_file="$OUTPUT_DIR/$padded_week"
         
+        # Check if ROM already exists
+        if [ -f "$output_file" ]; then
+            echo "Skipping $padded_week (already exists)"
+            ((existing_roms++))
+            continue
+        fi
+        
         if [ $DRY_RUN -eq 1 ]; then
             echo "[DRY RUN] Would patch: $patch_file"
             echo "[DRY RUN] Would create: $output_file"
             echo
+            ((new_patches++))
         else
             echo "Patching: $patch_file -> $padded_week"
             
@@ -77,15 +93,28 @@ while IFS= read -r patch_file; do
             # Check if patching was successful
             if [ $? -eq 0 ]; then
                 echo "Successfully created $padded_week"
+                ((new_patches++))
             else
                 echo "Error patching $patch_file"
+                ((failed_patches++))
             fi
             echo
         fi
     else
         echo "Warning: Could not extract week number from filename: $patch_file"
+        ((failed_patches++))
     fi
 done < <(find "$PATCHES_DIR" -type f -name "Week*.bps" | sort -V)
 
-total_files=$(find "$PATCHES_DIR" -type f -name "Week*.bps" | wc -l)
-echo "$([ $DRY_RUN -eq 1 ] && echo '[DRY RUN] ')Would create $total_files patched ROMs in $OUTPUT_DIR"
+# Print summary
+echo
+echo "$([ $DRY_RUN -eq 1 ] && echo '[DRY RUN] ')Summary:"
+echo "Total patches found: $total_patches"
+echo "Already patched ROMs: $existing_roms"
+echo "New ROMs to create: $new_patches"
+if [ $failed_patches -gt 0 ]; then
+    echo "Failed patches: $failed_patches"
+fi
+echo
+echo "ROM status in $OUTPUT_DIR:"
+echo "Total ROMs after operation: $(($existing_roms + $new_patches))"