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And a, (ix/y+d), Operation, Description – Zilog EZ80F916 User Manual

Page 111: Condition bits affected attributes

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eZ80

®

CPU

User Manual

UM007715-0415

CPU Instruction Set

102

AND A, (IX/Y+d)

Logical AND

Operation

A  A AND (IX/Y+d)

Description

The (IX/Y+d) operand is the 8-bit value stored in the memory location specified by the

contents of the Index Register, IX or IY, added to the two’s-complement displacement d.

This 8-bit value is bitwise ANDed with the contents of the accumulator, A. The result is

stored in the accumulator.

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,(IX+d)

X

4

DD, A6, dd

AND.S

A,(IX+d)

1

5

52, DD, A6, dd

AND.L

A,(IX+d)

0

5

49, DD, A6, dd

AND

A,(IY+d)

X

4

FD, A6, dd

AND.S

A,(IY+d)

1

5

52, FD, A6, dd

AND.L

A,(IY+d)

0

5

49, FD, A6, dd

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