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Adc a, n, Operation, Description – Zilog EZ80F916 User Manual

Page 91: Condition bits affected attributes

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eZ80

®

CPU

User Manual

UM007715-0415

CPU Instruction Set

82

ADC A, n

ADD with Carry

Operation

A  A+

n

+C

Description

The 8-bit immediate value n and the Carry Flag (C) are added to the contents of the accu-

mulator, 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 if carry from bit 3; reset otherwise.

P/V

Set if overflow; reset otherwise.

N

Reset.

C

Set if carry from bit 7; reset otherwise.

Mnemonic

Operand

ADL Mode

Cycle

Opcode (hex)

ADC

A,n

X

2

CE, nn

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