Instruction of the Day: LA

You’ll need to master this instruction if you want to be an expert assembler programmer.  LA can be used to create an address (think pointer if you’re a C programmer) and place it in a register for further processing, or used to address other items in memory directly.  It is often used to load multiple base registers for larger programs.  Here’s the video that discusses it.

Leave a comment

Filed under IBM Mainframe Assembler

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s