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And a, ir, Operation, Description – Zilog EZ80F916 User Manual

Page 110: Condition bits affected attributes

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eZ80

®

CPU

User Manual

UM007715-0415

CPU Instruction Set

101

AND A, ir

Logical AND

Operation

A  A AND ir

Description

The ir operand is any of the 8-bit registers IXH, IXL, IYH, or IYL. The ir operand is bit-

wise ANDed with the contents of the accumulator, A. The result is stored in the accumula-

tor.

Condition Bits Affected

Attributes

S

Set if result is negative; reset otherwise.

Z

Set if result is 0; reset otherwise.

H

Set.

P/V

Set if parity is even; reset otherwise.

N

Reset.

C

Reset.

Mnemonic

Operand

ADL Mode

Cycle

Opcode (hex)

AND

A,IXH

X

2

DD, A4

AND

A,IXL

X

2

DD, A5

AND

A,IYH

X

2

FD, A4

AND

A,IYL

X

2

FD, A5

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