CS80C88 datasheet(29/32 Pages) INTERSIL

29 / 32 page

3-29

Immediate to Register/Memory

1 0 0 0 0 0 s w

mod 0 1 0 r/m

data

data if s:w = 01

Immediate to Accumulator

0 0 0 1 0 1 0 w

data

data if w = 1

INC = Increment:

1 1 1 1 1 1 1 w

mod 0 0 0 r/m

0 1 0 0 0 reg

AAA = ASCll Adjust for Add

0 0 1 1 0 1 1 1

DAA = Decimal Adjust for Add

0 0 1 0 0 1 1 1

SUB = Subtract:

0 0 1 0 1 0 d w

mod reg r/m

Immediate from Register/Memory

1 0 0 0 0 0 s w

mod 1 0 1 r/m

data

data if s:w = 01

Immediate from Accumulator

0 0 1 0 1 1 0 w

data

data if w = 1

SBB = Subtract with Borrow

0 0 0 1 1 0 d w

mod reg r/m

Immediate from Register/Memory

1 0 0 0 0 0 s w

mod 0 1 1 r/m

data

data if s:w = 01

Immediate from Accumulator

0 0 0 1 1 1 0 w

data

data if w = 1

DEC = Decrement:

1 1 1 1 1 1 1 w

mod 0 0 1 r/m

0 1 0 0 1 reg

NEG = Change Sign

1 1 1 1 0 1 1 w

mod 0 1 1 r/m

CMP = Compare:

0 0 1 1 1 0 d w

mod reg r/m

Immediate with Register/Memory

1 0 0 0 0 0 s w

mod 1 1 1 r/m

data

data if s:w = 01

Immediate with Accumulator

0 0 1 1 1 1 0 w

data

data if w = 1

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

Instruction Set Summary (Continued)

MNEMONIC AND DESCRIPTION

INSTRUCTION CODE

7 6 5 4 3 2 1 0

80C88

CS80C88 데이터시트(PDF) 29 Page - Intersil Corporation

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