CS80C88 datasheet(30/32 Pages) INTERSIL

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3-30

RCR = Rotate Through Carry Right

1 1 0 1 0 0 v w

mod 0 1 1 r/m

AND = And:

Reg./Memory and Register to Either

0 0 1 0 0 0 0 d w

mod reg r/m

Immediate to Register/Memory

1 0 0 0 0 0 0 w

mod 1 0 0 r/m

data

data if w = 1

Immediate to Accumulator

0 0 1 0 0 1 0 w

data

data if w = 1

TEST = And Function to Flags, No Result:

1 0 0 0 0 1 0 w

mod reg r/m

Immediate Data and Register/Memory

1 1 1 1 0 1 1 w

mod 0 0 0 r/m

data

data if w = 1

Immediate Data and Accumulator

1 0 1 0 1 0 0 w

data

data if w = 1

OR = Or:

0 0 0 0 1 0 d w

mod reg r/m

Immediate to Register/Memory

1 0 0 0 0 0 0 w

mod 1 0 1 r/m

data

data if w = 1

Immediate to Accumulator

0 0 0 0 1 1 0 w

data

data if w = 1

XOR = Exclusive or:

0 0 1 1 0 0 d w

mod reg r/m

Immediate to Register/Memory

1 0 0 0 0 0 0 w

mod 1 1 0 r/m

data

data if w = 1

Immediate to Accumulator

0 0 1 1 0 1 0 w

data

data if w = 1

STRING MANIPULATION

REP = Repeat

1 1 1 1 0 0 1 z

MOVS = Move Byte/Word

1 0 1 0 0 1 0 w

CMPS = Compare Byte/Word

1 0 1 0 0 1 1 w

SCAS = Scan Byte/Word

1 0 1 0 1 1 1 w

LODS = Load Byte/Word to AL/AX

1 0 1 0 1 1 0 w

STOS = Stor Byte/Word from AL/A

1 0 1 0 1 0 1 w

CONTROL TRANSFER

CALL = Call:

Direct Within Segment

1 1 1 0 1 0 0 0

disp-low

disp-high

Indirect Within Segment

1 1 1 1 1 1 1 1

mod 0 1 0 r/m

Direct Intersegment

1 0 0 1 1 0 1 0

offset-low

offset-high

seg-low

seg-high

Indirect Intersegment

1 1 1 1 1 1 1 1

mod 0 1 1 r/m

JMP = Unconditional Jump:

Direct Within Segment

1 1 1 0 1 0 0 1

disp-low

disp-high

Direct Within Segment-Short

1 1 1 0 1 0 1 1

disp

Indirect Within Segment

1 1 1 1 1 1 1 1

mod 1 0 0 r/m

Direct Intersegment

1 1 1 0 1 0 1 0

offset-low

offset-high

seg-low

seg-high

Indirect Intersegment

1 1 1 1 1 1 1 1

mod 1 0 1 r/m

RET = Return from CALL:

Within Segment

1 1 0 0 0 0 1 1

Within Seg Adding lmmed to SP

1 1 0 0 0 0 1 0

data-low

data-high

Instruction Set Summary (Continued)

MNEMONIC AND DESCRIPTION

INSTRUCTION CODE

7 6 5 4 3 2 1 0

80C88

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