Screen Definition File

SUNDB86x Only

The SUNDB86x series of compilers and runtimes interface with the various DOS based systems through a screen definition file (SUNSCRN.DEF). SUNSCRN.DEF translates the various PL/B screen list controls into sequences with which the terminal performs the desired function. SUNSCRN.DEF is distributed already set up for an IBM-PC or work alike and for most installations does not need to be modified.

The Sunbelt supplied programs and any generated programs, first search the current subdirectory for this file. If not found, the root (\) subdirectory is searched. If still unsuccessful in locating the file, the programs then utilize the screen definitions that the compiler was using during compilation of the program. This allows compiled programs to execute without a screen definition file so long as the definitions and drive logging (see SETDRIVE) are identical to the system on which the program was originally compiled. The TESTCRT program allows generation, modification and testing of the screen definition file.

See Also: Compiler and Runtime Options