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I’m still working my way alphabetically (ususally) through the instruction set, picking instructions you should learn. We are in the ...
Review an Instruction: LAY (IBM Assembler – HLASM)Review an Instruction: LAY (IBM Assembler – HLASM)
I’ve updated the article about LAY to include how to decrement a register with LAY. If you haven’t seen this ...
Debugging An S0C9 AbendDebugging An S0C9 Abend
Learn what causes and S0C9 abend and how to fix it. Watch this video and experiment with this code. ...