Instruction of the Day: MVO dwoolbright 9 years ago MVO is an old instruction that has fallen out of use, replaced by SRP. Still, you will see it in older programs. This video will get you up to speed on this “odd” instruction. You will also find the code from the video here. Share this: RelatedWriting Reentrant Assembler CodeJune 16, 2020In "IBM Mainframe Assembler"A New Assembler Book: MineAugust 20, 2021In "IBM Mainframe Assembler"Help Me Write The Worst Program EverJanuary 5, 2020In "IBM Mainframe Assembler"