RSTPSW - turn off bits in switch word.

Alternate Entry Name: RSTSWH

Usage:

#include <os_funcs.h>
newval = rstpsw( bits );

Where:

unsigned bits;
is a word containing the bits to be turned off in the first switch word. The bits that are on in "bits" will be turned off in the first switch word.
unsigned newval;
is the new value of the switch word.

Description:

"rstpsw" turns off specified bits in the first Program Switch Word (PSW). Numbering left to right, bits 0 through 17 of the first switch word should normally be left alone, since they are used by supplied GCOS-8 software.

See Also:

expl c lib setpsw

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