X"91" function 13

Sets the run-time switches

Syntax:
call x"91" using result
                 function-code
                 parameter
Parameters:
Using call prototype (see Library Routines - Key) Picture (32-bit systems)
result cblt-x1-compx pic x comp-x.
function-code cblt-x1-compx pic x comp-x.
parameter cblt-x1-compx occurs 26 pic x comp-x occurs 26
On Entry:
function-code Value 13
parameter Each byte represents one of the switch letters and each bit in a byte is the state to set the numeric switch for that letter. For example, parameter(1) bit 0 represents switch A (or A0), bit 5 of parameter(19) represents switch S5.
On Exit:
result Set to zero if the call was successful, nonzero otherwise.
Comments:

To update one switch without affecting the others, you should read the switches with Function 14, update parameter, and then call this function.

See Also: