TMS320F datasheet(293/389 Pages) TI

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Exclusive OR With Accumulator

XOR

7-193

Assembly Language Instructions

Status Bits

None

Description

With direct or indirect addressing, the low half of the accumulator value is

exclusive ORed with the content of the addressed data memory location, and

the result replaces the low half of the accumulator value; the upper half of the

accumulator value is unaffected. With immediate addressing, the long imme-

diate constant is shifted and zero filled on both ends and exclusive ORed with

the entire content of the accumulator. The carry bit (C) is unaffected by XOR.

Words

Addressing mode

Direct or indirect

Long immediate

Cycles for a Single XOR Instruction (Using Direct and Indirect Addressing)

Program

Operand

ROM

DARAM

SARAM

External

DARAM

1+p

SARAM

1, 2†

1+p

External

1+d

2+d+p

† If the operand and the code are in the same SARAM block

Cycles for a Repeat (RPT) Execution of an XOR Instruction (Using Direct

and Indirect Addressing)

Program

Operand

ROM

DARAM

SARAM

External

DARAM

n+p

SARAM

n, n+1†

n+p

External

n+nd

n+1+p+nd

† If the operand and the code are in the same SARAM block

Cycles for a Single XOR Instruction (Using Long Immediate Addressing)

ROM

DARAM

SARAM

External

2+2p

Cycles

TMS320F Datasheet(PDF) 293 Page - Texas Instruments

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