isCOBOL Evolve : Appendices : Library Routines : CBL_WRITE_SCR_N_CHAR
CBL_WRITE_SCR_N_CHAR
The CBL_WRITE_SCR_N_CHAR library routine writes a specified character to a string of positions on the screen.
This routine is implemented for compatibility with other COBOLs in order to facilitate migrations. Using this routine in new programs is not suggested; you should use DISPLAY and ACCEPT verbs instead.
Syntax:
 CALL "CBL_WRITE_SCR_N_CHAR" USING screenPosition 
                                   character
                                   stringLength
                            GIVING returnCode
Parameters:
screenPosition
Group Item
Group item defined as follows:
 
01  screenPosition.
    03  rowNumber      PIC X COMP-X.
    03  columnNumber   PIC X COMP-X.
 
It specifies the screen position at which to start writing. The top left corner is row 0, column 0.
character
PIC X COMP-X
Specifies the character to write to the screen.
stringLength
PIC XX COMP-X
On entry, contains the length of the character string.
Return code:
returnCode can be any numeric data item and provides additional information:
1
Operation successful.
0
Operation failed.