##### Synopsis

    #include <in430.h>
    unsigned short _BIS_SR(unsigned short mask);

##### Description

_BIS_SR sets the bits specified in mask in the MSP430 status register (i.e. it bitwise ors mask into the status register).

_BIS_SR returns the value of the MSP430 status register before the update.

_BIS_SR is an intrinsic function and produces inline code.

##### Portability

_BIS_SR can be used on any MSP430 device.