1 1 9.40.3 Instruction syntax 1 ------------------------- 1 1 The assembler syntax closely follows the syntax outlined in Enterprise 1 Systems Architecture/390 Principles of Operation (SA22-7201) and the 1 z/Architecture Principles of Operation (SA22-7832). 1 1 Each instruction has two major parts, the instruction mnemonic and 1 the instruction operands. The instruction format varies. 1
1 · s390 Register Register Naming · s390 Mnemonics Instruction Mnemonics · s390 Operands Instruction Operands · s390 Formats Instruction Formats · s390 Aliases Instruction Aliases · s390 Operand Modifier Instruction Operand Modifier · s390 Instruction Marker Instruction Marker · s390 Literal Pool Entries Literal Pool Entries 1