Setup:
1. Connect PCIF to PC and TI74.
2. Run PCIFFAST.EXE or PCIF.EXE
3. Turn on TI74 


Device 14= PC printer
Device 45= PC screen
  LIST "45,P=Y",10-100 will display lines 1--100 one screen at a time.
     Press and hold <enter> on TI74 to stop list scrolling.
     Press again to continue list.
Device 100= program storage on PC hard drive
Device 101= data storage on PC hard drive

To exit PCIF program press <ESC> on PC, then disconnect TI74.