Review an Instruction: LTGR (IBM Assembler)

Assembly language won’t make much sense until you get a grip on the USING directive and the associated terms: Domain ...

Multiply Greek! At least that’s how I remember it. Greek is a good mnemonic for MGRK. Use this instruction to ...

Perhaps you’re like me, and as a fledgling assembler programmer, you learned the Shift and Round Decimal instruction (SRP) from ...