Atmel Evaluation Kit AT91SAM9G25-EK AT91SAM9G25-EK Data Sheet

44

SAM9G25 [DATASHEET]

11032C–ATARM–25-Jan-13

The Thumb instruction set is a re-encoded subset of the ARM instruction set. 

The Thumb instruction set is divided into:

z

Branch instructions

z

Data processing instructions

z

Load and Store instructions

z

Load and Store multiple instructions

z

Exception-generating instruction

For further details, see the ARM Technical Reference Manual.

 gives the Thumb instruction mnemonic list.

MOV

Move

MVN

Move Not

ADD

Add

ADC

Add with Carry

SUB

Subtract

SBC

Subtract with Carry

CMP

Compare

CMN

Compare Negated

TST

Test

NEG

Negate

AND

Logical AND

BIC

Bit Clear

EOR

Logical Exclusive OR

ORR

Logical (inclusive) OR

LSL

Logical Shift Left

LSR

Logical Shift Right

ASR

Arithmetic Shift Right

ROR

Rotate Right

MUL

Multiply

BLX

Branch, Link, and Exchange

B

 Branch

BL

Branch and Link

BX

Branch and Exchange

SWI

Software Interrupt

LDR

Load Word

STR

Store Word

LDRH

Load Half Word

STRH

Store Half Word

LDRB

Load Byte

STRB

Store Byte

LDRSH

Load Signed Halfword

LDRSB

Load Signed Byte

LDMIA

Load Multiple

STMIA

Store Multiple

PUSH

Push Register to stack

POP

Pop Register from stack

BCC

Conditional Branch

BKPT

Breakpoint