21.2-S3-C2410X-052003 Просмотр технического описания (PDF) - Samsung

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21.2-S3-C2410X-052003

32-Bit RISC Microprocessor

Samsung 

Table of Contents (Continued)

Chapter 3 ARM Instruction Set

Instruction Set Summay.......................................................................................................................... 3-1

Format Summary ........................................................................................................................... 3-1

Instruction Summary....................................................................................................................... 3-2

The Condition Field................................................................................................................................. 3-4

Branch and Exchange (BX)..................................................................................................................... 3-5

Instruction Cycle Times .................................................................................................................. 3-5

Assembler Syntax........................................................................................................................... 3-5

Using R15 As An Operand.............................................................................................................. 3-5

Branch and Branch With Link (B, BL)...................................................................................................... 3-7

The Link Bit .................................................................................................................................... 3-7

Instruction Cycle Times .................................................................................................................. 3-7

Assembler Syntax........................................................................................................................... 3-8

Data Processing...................................................................................................................................... 3-9

Cpsr Flags ...................................................................................................................................... 3-11

Shifts.............................................................................................................................................. 3-12

Immediate Operand Rotates........................................................................................................... 3-16

Writing to R15 ................................................................................................................................ 3-16

Using R15 As an Operandy ............................................................................................................ 3-16

TEQ, TST, CMP and CMN Opcodes............................................................................................... 3-16

Instruction Cycle Times .................................................................................................................. 3-16

Assembler Syntax........................................................................................................................... 3-17

Examples ....................................................................................................................................... 3-17

PSR Transfer (MRS, MSR) ..................................................................................................................... 3-18

Operand Restrictions ...................................................................................................................... 3-18

Reserved Bits ................................................................................................................................. 3-20

Examples ....................................................................................................................................... 3-20

Instruction Cycle Times .................................................................................................................. 3-20

Assembly Syntax............................................................................................................................ 3-21

Examples ....................................................................................................................................... 3-21

Multiply and Multiply-Accumulate (MUL, MLA) ........................................................................................ 3-22

CPSR Flags.................................................................................................................................... 3-24

Instruction Cycle Times .................................................................................................................. 3-24

Assembler Syntax........................................................................................................................... 3-24

Examples ....................................................................................................................................... 3-24

Multiply Long and Multiply-Accumulate Long (MULL, MLAL)................................................................... 3-25

Operand Restrictions ...................................................................................................................... 3-26

Cpsr Flags ...................................................................................................................................... 3-26

Instruction Cycle Times .................................................................................................................. 3-26

Assembler Syntax........................................................................................................................... 3-27

Examples ....................................................................................................................................... 3-27

iv

S3C2410X MICROPROCESSOR

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