80C286 datasheet(56/65 Pages) RENESAS

56 / 65 page

80C286

FN2947 Rev.3.00

Page 56 of 65

January 28, 2008

AAD = ASCII Adjust for

Divide

11010101 00001010

CBW = Convert Byte to

Word

10011000

CWD = Convert Word to

Double Word

10011001

LOGIC

Shift/Rotate Instructions

1101000w mod TTT

r/m

2, 7

(Note 59)

2, 7

(Note 59)

1101001w mod TTT

r/m

5+n, 8+n

(Note 59)

5+n, 8+n

(Note 59)

mod TTT

r/m

count

5+n, 8+n

(Note 59)

5+n, 8+n

(Note 59)

TTT

Instruction

000

ROL

001

ROR

010

RCL

011

RCR

100

SHL/SAL

101

SHR

111

SAR

AND = And

Reg/Memory and Register

Either

001000dw mod

reg

r/m

2, 7

(Note 59)

2, 7

(Note 59)

Immediate

Regis-

ter/Memory

1000000w mod

100

r/m

data

data if w =

3, 7

(Note 59)

3, 7

(Note 59)

Immediate to Accumulator 0010010w data

data if w =

TEST = And Function to Flags, No Result

ister

1000010w mod

reg

r/m

2, 6

(Note 59)

2, 6

(Note 59)

80C286 Instruction Set Summary (Continued)

FUNCTION

FORMAT

CLOCK COUNT

COMMENTS

REAL

ADDRES

MODE

PRO-

TECTED

VIRTUAL

ADDRESS

MODE

REAL

ADDRES

MODE

PRO-

TECTED

VIRTUAL

ADDRESS

MODE

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