80C88 datasheet(32/39 Pages) RENESAS

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80C88

FN2949 Rev.5.00

Page 32 of 39

Sep 28, 2017

AAS = ASCll Adjust for

Subtract

0 0 1 1 1 1 1 1

DAS = Decimal Adjust for

Subtract

0 0 1 0 1 1 1 1

MUL = Multiply (Unsigned)

1 1 1 1 0 1 1 w

mod 1 0 0 r/m

IMUL = Integer Multiply

(Signed)

1 1 1 1 0 1 1 w

mod 1 0 1 r/m

AAM = ASCll Adjust for

Multiply

1 1 0 1 0 1 0 0

0 0 0 0 1 0 1 0

DlV = Divide (Unsigned)

1 1 1 1 0 1 1 w

mod 1 1 0 r/m

IDlV = Integer Divide

(Signed)

1 1 1 1 0 1 1 w

mod 1 1 1 r/m

AAD = ASClI Adjust for

Divide

1 1 0 1 0 1 0 1

0 0 0 0 1 0 1 0

CBW = Convert Byte to

Word

1 0 0 1 1 0 0 0

CWD = Convert Word to

Double Word

1 0 0 1 1 0 0 1

LOGIC

NOT = Invert

1 1 1 1 0 1 1 w

mod 0 1 0 r/m

SHL/SAL = Shift

Logical/Arithmetic Left

1 1 0 1 0 0 v w

mod 1 0 0 r/m

SHR = Shift Logical Right

1 1 0 1 0 0 v w

mod 1 0 1 r/m

SAR = Shift Arithmetic

Right

1 1 0 1 0 0 v w

mod 1 1 1 r/m

ROL = Rotate Left

1 1 0 1 0 0 v w

mod 0 0 0 r/m

ROR = Rotate Right

1 1 0 1 0 0 v w

mod 0 0 1 r/m

RCL = Rotate Through

Carry Flag Left

1 1 0 1 0 0 v w

mod 0 1 0 r/m

RCR = Rotate Through

Carry Right

1 1 0 1 0 0 v w

mod 0 1 1 r/m

AND = And:

Reg./Memory and

0 0 1 0 0 0 0 d w

mod reg r/m

Immediate to

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

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

Instruction Set Summary (Continued)

MNEMONIC AND

DESCRIPTION

INSTRUCTION CODE

7 6 5 4 3 2 1 0

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