It’s been a few weeks since I’ve posted. Life intervenes occasionally. This post is for a Multiply (Fullword) instruction which has an RXY-a instruction format providing a long displacement. This instruction is well worth a look, if you consistently reach for (M) when multiplying fullwords. You can find the short article for MFY here.
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Review an Instruction: LB (IBM Assembler)Review an Instruction: LB (IBM Assembler)
We continue to investigate various load operations that are available (of which there are many). Load Byte (LB) is easy ...