Texas Instruments MSP430x1xx User Manual
Page 364

Instruction Set Overview
B-14
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
N: Not
affected
Z: Not
affected
C: Not
affected
V: 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
Start an A/D- conversion
ASOC
.equ
1
; Start of conversion bit
ACTL
.equ
114h
; ADC control register
BIS
#ASOC,&ACTL
; Start A/D-conversion
Example
The three MSBs of RAM byte TOM are set.
BIS.B
#0E0h,TOM
; set the 3 MSBs in RAM location TOM
Example
Port pins P0 and P1 are set to high.
P0OUT
.equ
011h
P0
.equ
01h
P1
.equ
02h
BIS.B
#P0+P1,&P0OUT