Arm VERSION 1.2 Manual de usuario descargar pdf (Pagina 116)

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101

ARM Instruction Reference

4.2 ARM memory access instructions

This section contains the following subsections:

• LDR and STR, words and unsigned bytes on page 4-7

Load register and store register, 32-bit word or 8-bit unsigned byte.

• LDR and STR, halfwords and signed bytes on page 4-12

Load register, signed 8-bit bytes and signed and unsigned 16-bit halfwords.

Store register, 16-bit halfwords.

• LDR and STR, doublewords on page 4-15

Load two consecutive registers and store two consecutive registers.

• LDM and STM on page 4-18

Load and store multiple registers.

• PLD on page 4-20

Cache preload.

• SWP on page 4-22

Swap data between registers and memory.

There is also an

LDR

pseudo-instruction (see LDR ARM pseudo-instruction on

page 4-82). This pseudo-instruction sometimes assembles to an

LDR

instruction, and

sometimes to a

MOV

MVN

instruction.

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Arm VERSION 1.2 Manual de usuario Pagina 116

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