- [SOURCE_ID_CFA, FETCH_CFA, TOR_CFA, # Store current source on return stack
- FAM_RO_CFA, OPEN_FILE_CFA, DROP_CFA, # Open the file named by this word.
- DUP_CFA, SOURCE_ID_CFA, STORE_CFA, # Mark this as the current source
- DUP_CFA, QUERY_FILE_CFA, # Read line from file
- INTERPRET_CFA,
- INVERT_CFA, ZBRANCH_CFA, -5,
- CLOSE_FILE_CFA, DROP_CFA,
- FROMR_CFA, SOURCE_ID_CFA, STORE_CFA,
+ [LIT_CFA, 0, STATE_CFA, STORE_CFA, # Set mode to interpret
+ FAM_RO_CFA, OPEN_FILE_CFA, DROP_CFA, # Open the 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
+ INTERPRET_CFA, # Interpret line
+ BRANCH_CFA, -14, # Loop
+ SOURCE_ID_VAR_CFA, FETCH_CFA,
+ CLOSE_FILE_CFA, DROP_CFA, # Close file
+ SOURCE_ID_VAR_CFA, STORE_CFA, # Restore input source
+ LIT_CFA, 0, NUMIB_CFA, STORE_CFA, # Zero #IB
+ LIT_CFA, 0, TOIN_CFA, STORE_CFA, # Zero >IN