Arm VERSION 1.2 Manuel d'utilisateur télécharger pdf (Page 19)

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101

Writing ARM and Thumb Assembly Language

Single register load and store instructions

These instructions load or store the value of a single register from or to memory. They

can load or store a 32-bit word or an 8-bit unsigned byte. In ARM architecture v4 and

above they can also load or store a 16-bit unsigned halfword, or load and sign extend a

16-bit halfword or an 8-bit byte.

Multiple register load and store instructions

These instructions load or store any subset of the general-purpose registers from or to

memory. Refer to Load and store multiple register instructions on page 2-39 for a

detailed description of these instructions.

Status register access instructions

These instructions move the contents of the CPSR or an SPSR to or from a

general-purpose register.

Semaphore instructions

These instructions load and alter a memory semaphore.

Coprocessor instructions

These instructions support a general way to extend the ARM architecture.

1 2 ... 14 15 16 17 18 19 20 21 22 23 24 ... 359 360

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Arm VERSION 1.2 Manuel d'utilisateur Page 19

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