diff --git a/.gitignore b/.gitignore
index e8ed600..793eecc 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,7 +1,7 @@
 # Developer hard-drive dump — not part of the release tree
 /sda4/
 
-# hard drive dump of a production system
+# hard drive dump of a production system (preserved in-repo as ALPHA_1.zip)
 /ALPHA_1/
 
 # Emulator working files (downloaded binaries, game image, captures)
@@ -10,3 +10,4 @@
 /emulator/*.png
 /emulator/dbx_*.txt
 /emulator/screen*.png
+__pycache__/
diff --git a/ALPHA_1.zip b/ALPHA_1.zip
new file mode 100644
index 0000000..3cc4c63
Binary files /dev/null and b/ALPHA_1.zip differ