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Texas Instruments MSP50C614 User Manual

Page 275

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Individual Instruction Descriptions

4-183

Assembly Language Instructions

4.14.85

XORB

Logical XOR Byte

Syntax

[label]

name

dest, src

Clock,

clk

Word,

w

With RPT,

clk

Class

XORB

A

n, imm8

1

1

N/R

2a

Execution

A

n

A

n XOR imm8

(for two operands)

PC

PC + 1

Flags Affected

dest is An:

OF, SF, ZF, CF are set accordingly

Opcode

Instructions

16

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

0

XORB A

n, imm8

0

0

1

0

1

1

0

A

n

imm8

Description

Bitwise logical XOR lower 8 bits of A

n and dest byte. Result is stored in

accumulator A

n. Upper 8 bits of accumulator An is not affected.

See Also

XOR, XORS, AND, ANDS, OR, ORS, ORB, NOTAC, NOTACS

Example 4.14.86.1

XORB A2, 0x45

XOR 0x45 to accumulator A2 (byte mode). Upper 8 bits of A2 is unchanged.