Texas Instruments MSP430x1xx User Manual

Page 364

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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

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