- SOURCE_ID_CFA, FETCH_CFA, SWAP_CFA, # Store current source on stack
- SOURCE_ID_CFA, STORE_CFA, # Mark this as the current source
- SOURCE_ID_CFA, FETCH_CFA, QUERY_FILE_CFA, # Read line from file
+ SOURCE_ID_VAR_CFA, FETCH_CFA, SWAP_CFA, # Store current source on stack
+ SOURCE_ID_VAR_CFA, STORE_CFA, # Mark this as the current source
+ SOURCE_ID_VAR_CFA, FETCH_CFA, QUERY_FILE_CFA, # Read line from file
+ EOF_FLAG_CFA, FETCH_CFA,
+ NUMFIB_CFA, FETCH_CFA, ZE_CFA, AND_CFA, # Test for EOF and empty line
+ INVERT_CFA, ZBRANCH_CFA, 4, # Break out if EOF