ARM Technical Support Knowledge Articles

Bit-Addressable Registers in Assembly Code

Applies to: A166 Macro Assembler


Information in this article applies to:


Can I address individual bits in the C167 registers using the A166 assembler?


Yes. To access the bits of a particular register, use the DOT (.) notation to access the particular bit. For example:

BSET   R15.12

sets bit 12 of register 15.

Article last edited on: 2011-10-14 08:53:45

Rate this article

Disagree? Move your mouse over the bar and click

Did you find this article helpful? Yes No

How can we improve this article?

Link to this article
Copyright © 2011 ARM Limited. All rights reserved. External (Open), Non-Confidential