The LAA (Load and Add) instruction packs two operations into one instruction. While you might not want to use it as a single instruction, it seems well- designed for looping, so withhold your initial judgment. There is an added benefit to learning this one – there are lots of other “LOAD AND …” instructions. Learn this one and you will know others by association. Here is the writeup.
Review an Instruction: LAA (IBM Assembler)
Categories:
Related Posts
z/OS Training at Marist College Enrolling Nowz/OS Training at Marist College Enrolling Now
Marist College through the Institute of Data Center Professionals (IDCP) offers a variety of mainframe-based courses and professional z/OS certificates ...
Two Specialized Load Instructions – LLGTR and LLGTTwo Specialized Load Instructions – LLGTR and LLGT
These are easy to pick up – handy, too, if you want to write 64-bit addressing programs. If you are ...
Review an Instruction: MGRK (With Link!)Review an Instruction: MGRK (With Link!)
Multiply Greek! At least that’s how I remember it. Greek is a good mnemonic for MGRK. Use this instruction to ...
