IRETSW - clear/read bits in the program switch word.

Usage:

i = iretsw(j)

Where:

i

is an integer value with the new value of the switch word.

j

is an integer value with a 1 bit corresponding to each bit to be turned off in the program switch word.

Description:

IRETSW is used to turn off bits in the program switch word. An argument of zero will leave the switch word unaffected, and may be used to just read the current word.

See Also:

expl f77 lib isetsw

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