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 - <h4 class="subsection">9.41.3 Instruction syntax</h4>
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 - <p>The assembler syntax closely follows the syntax outlined in
 - Enterprise Systems Architecture/390 Principles of Operation (SA22-7201)
 - and the z/Architecture Principles of Operation (SA22-7832).
 - </p>
 - <p>Each instruction has two major parts, the instruction mnemonic
 - and the instruction operands. The instruction format varies.
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