Texas Instruments MSP430x4xx - Manual (Page 60)

Instruction Set
3-26 RISC 16−Bit CPU
BIS[.W] Set bits in destination
BIS.B Set bits in destination
Syntax BIS src,dst or BIS.W src,dst
BIS.B src,dst
Operation src .OR. dst −> dst
Description The source operand and the destination operand are logically ORed. The
result is placed into the destination. The source operand is not affected.
Status Bits Status bits are not affected.
Mode Bits OSCOFF, CPUOFF, and GIE are not affected.
Example The six LSBs of the RAM word TOM are set.
BIS #003Fh,TOM; set the six LSBs in RAM location TOM
Example The three MSBs of RAM byte TOM are set.
BIS.B #0E0h,TOM ; set the 3 MSBs in RAM location TOM