Texas Instruments MSP430x1xx User Manual

Page 352

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Instruction Set Overview

B-2

B.1 Instruction Set Overview

The following list gives an overview of the instruction set.

Status Bits

V N Z C

* ADC[.W];ADC.B

dst

dst + C –> dst

*

*

*

*

ADD[.W];ADD.B

src,dst

src + dst –> dst

*

*

*

*

ADDC[.W];ADDC.B src,dst

src + dst + C –> dst

*

*

*

*

AND[.W];AND.B

src,dst

src .and. dst –> dst

0 *

*

*

BIC[.W];BIC.B

src,dst

.not.src .and. dst –> dst

– –

– –

BIS[.W];BIS.B

src,dst

src .or. dst –> dst

– –

– –

BIT[.W];BIT.B

src,dst

src .and. dst

0 *

*

*

* BR

dst

Branch to .......

– –

– –

CALL

dst

PC+2 –> stack, dst –> PC

– –

– –

* CLR[.W];CLR.B

dst

Clear destination

– –

– –

* CLRC

Clear carry bit

– –

– 0

* CLRN

Clear negative bit

– 0

– –

* CLRZ

Clear zero bit

– –

0 –

CMP[.W];CMP.B

src,dst

dst – src

*

*

*

*

* DADC[.W];DADC.B dst

dst + C –> dst (decimal)

*

*

*

*

DADD[.W];DADD.B src,dst

src + dst + C –> dst (decimal) *

*

*

*

* DEC[.W];DEC.B

dst

dst – 1 –> dst

*

*

*

*

* DECD[.W];DECD.B dst

dst – 2 –> dst

*

*

*

*

* DINT

Disable interrupt

– –

– –

* EINT

Enable interrupt

– –

– –

* INC[.W];INC.B

dst

Increment destination,
dst +1 –> dst

*

*

*

*

* INCD[.W];INCD.B

dst

Double-Increment destination,
dst+2–>dst

*

*

*

*

* INV[.W];INV.B

dst

Invert destination

*

*

*

*

JC/JHS

Label

Jump to Label if
Carry-bit is set

– –

– –

JEQ/JZ

Label

Jump to Label if
Zero-bit is set

– –

– –

JGE

Label

Jump to Label if
(N .XOR. V) = 0

– –

– –

JL

Label

Jump to Label if
(N .XOR. V) = 1

– –

– –

JMP

Label

Jump to Label unconditionally – –

– –

JN

Label

Jump to Label if
Negative-bit is set

– – –

JNC/JLO

Label

Jump to Label if
Carry-bit is reset

– –

– –

JNE/JNZ

Label

Jump to Label if
Zero-bit is reset

– –

– –

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