ARM Technical Support Knowledge Articles


Applies to: C51 C Compiler


Information in this article applies to:


I'm currently working on an interrupt service routine that has a challenging timing requirement. After compiling the routine and looking at the assembly listing I noticed that the complier chose a different CJNE instruction than I would have.

I was wondering if there was an easy way to modify the assembled code by changing a few of the assembly lines without having to re-write the whole routine in assmebly?


You can write your code in C, then use the SRC directive to have the compiler generate an assembly module for your C code. You may modify the generated assembly file and include that in your project. Note that once you modify this file, you should not regenerate it with the C file because that would overwrite your changes.


Article last edited on: 2005-09-22 11:35:43

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