System controller application program
The operation of a workstation is controlled by a user-written application program that resides in the SLU P system's controller. The application program can be designed to control one or more workstations and needs only to perform the functions required by its workstations.
The functions available to the application program
include:
- Reading and writing to the terminals associated with the workstation
- Editing and verifying the data received from the terminal
- Reading and writing to the controller diskette
- Reading and writing to the host processor
- Editing and verifying data received from the host processor
- Operating offline when the host processor or IMS is unavailable