Transcription of Instruction Set Nomenclature - Microchip Technology
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Instruction Set Nomenclature - Microchip Technology
AVR Microcontrollers AVR Instruction Set Manual OTHERI nstruction Set NomenclatureStatus Register (SREG)SREGS tatus RegisterCCarry FlagZZero FlagNNegative FlagVTwo s complement overflow indicatorSN V, for signed testsHHalf Carry FlagTTransfer bit used by BLD and BST instructionsIGlobal Interrupt Enable/Disable FlagRegisters and OperandsRd:Destination (and source) register in the Register FileRr:Source register in the Register FileR:Result after Instruction is executedK:Constant datak:Constant addressb:Bit in the Register File or I/O Register (3-bit)s:Bit in the Status Register (3-bit)X,Y,Z:Indirect Address Register (X=R27:R26, Y=R29:R28, andZ=R31:R30)A:I/O location addressq:Displacement for direct addressing (6-bit)Atmel-0856L-AVR- Instruction -Set-M anual_Other-11/2016 Table of ContentsInstruction Set , RAMPY, and Program and Data Addressing Direct, Single Register Direct - Two Registers, Rd and Indirect with Indirect with Indirect
AVR Microcontrollers AVR Instruction Set Manual OTHER Instruction Set Nomenclature Status Register (SREG) SREG Status Register C Carry Flag Z Zero Flag
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