CS80C88 datasheet(28/32 Pages) INTERSIL

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Instruction Set Summary

MNEMONIC AND DESCRIPTION

INSTRUCTION CODE

7 6 5 4 3 2 1 0

DATA TRANSFER

MOV = MOVE:

1 0 0 0 1 0 d w

mod reg r/m

Immediate to Register/Memory

1 1 0 0 0 1 1 w

mod 0 0 0 r/m

data

data if w 1

Immediate to Register

1 0 1 1 w reg

data

data if w 1

Memory to Accumulator

1 0 1 0 0 0 0 w

addr-low

addr-high

Accumulator to Memory

1 0 1 0 0 0 1 w

addr-low

addr-high

1 0 0 0 1 1 1 0

mod 0 reg r/m

Segment Register to Register/Memory

1 0 0 0 1 1 0 0

mod 0 reg r/m

PUSH = Push:

1 1 1 1 1 1 1 1

mod 1 1 0 r/m

0 1 0 1 0 reg

Segment Register

0 0 0 reg 1 1 0

POP = Pop:

1 0 0 0 1 1 1 1

mod 0 0 0 r/m

0 1 0 1 1 reg

Segment Register

0 0 0 reg 1 1 1

XCHG = Exchange:

1 0 0 0 0 1 1 w

mod reg r/m

1 0 0 1 0 reg

IN = Input from:

Fixed Port

1 1 1 0 0 1 0 w

port

Variable Port

1 1 1 0 1 1 0 w

OUT = Output to:

Fixed Port

1 1 1 0 0 1 1 w

port

Variable Port

1 1 1 0 1 1 1 w

XLAT = Translate Byte to AL

1 1 0 1 0 1 1 1

LEA = Load EA to Register2

1 0 0 0 1 1 0 1

mod reg r/m

LDS = Load Pointer to DS

1 1 0 0 0 1 0 1

mod reg r/m

LES = Load Pointer to ES

1 1 0 0 0 1 0 0

mod reg r/m

LAHF = Load AH with Flags

1 0 0 1 1 1 1 1

SAHF = Store AH into Flags

1 0 0 1 1 1 1 0

PUSHF = Push Flags

1 0 0 1 1 1 0 0

POPF = Pop Flags

1 0 0 1 1 1 0 1

ARITHMETIC

ADD = Add:

0 0 0 0 0 0 d w

mod reg r/m

Immediate to Register/Memory

1 0 0 0 0 0 s w

mod 0 0 0 r/m

data

data if s:w = 01

Immediate to Accumulator

0 0 0 0 0 1 0 w

data

data if w = 1

ADC = Add with Carry:

0 0 0 1 0 0 d w

mod reg r/m

80C88

CS80C88 Datasheet(PDF) 28 Page - Intersil Corporation

CS80C88 Datasheet(HTML) 28 Page - Intersil Corporation

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