M80C286 데이터 시트보기 (PDF) - Intel

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M80C286

HIGH PERFORMANCE CHMOS MICROPROCESSOR WITH MEMORY MANAGEMENT AND PROTECTION

Intel 

M80C286

M80C286 INSTRUCTION SET SUMMARY (Continued)

FUNCTION

FORMAT

CONTROL TRANSFER

CALL eCall

Direct within segment

Register memory

indirect within segment

11101000

disp-low

1 1 1 1 1 1 1 1 mod 0 1 0 r m

disp-high

Direct intersegment

10011010

segment offset

Protected Mode Only (Direct intersegment)

Via call gate to same privilege level

Via call gate to different privilege level no parameters

Via call gate to different privilege level x parameters

Via TSS

Via task gate

segment selector

Indirect intersegment

1 1 1 1 1 1 1 1 mod 0 1 1 r m (modi11)

Protected Mode Only (Indirect intersegment)

Via call gate to same privilege level

Via call gate to different privilege level no parameters

Via call gate to different privilege level x parameters

Via TSS

Via task gate

JMPeUnconditional jump

Short long

11101011

disp-low

Direct within segment

11101001

disp-low

disp-high

Register memory indirect within segment 1 1 1 1 1 1 1 1 mod 1 0 0 r m

Direct intersegment

11101010

segment offset

Protected Mode Only (Direct intersegment)

Via call gate to same privilege level

Via TSS

Via task gate

segment selector

Indirect intersegment

1 1 1 1 1 1 1 1 mod 1 0 1 r m

Protected Mode Only (Indirect intersegment)

Via call gate to same privilege level

Via TSS

Via task gate

RETeReturn from CALL

(mod i 11)

Within segment

11000011

Within seg adding immed to SP

11000010

data-low

data-high

Intersegment

11001011

Intersegment adding immediate to SP

11001010

data-low

data-high

Protected Mode Only (RET)

To different privilege level

CLOCK COUNT

Real

Address

Mode

Protected

Virtual

Address

Mode

COMMENTS

Real

Address

Mode

Protected

Virtual

Address

Mode

7am

7am

2

7 am 11am 7am 11am

28

18

8 9 18

13am

26am

16am

41am

82am

86 a4xam

177am

182am

29am

44am

83 am

90a4x am

180am

185am

7am

7am

7am

7a m

7 am 11am 7am 11am

11am

23am

15am

38am

175am

180am

26am

41am

178am

183am

11am

11am

15am

15am

11am

11am

25am

55am

2

11 12 18

8 11 12 18

8 11 12 18

8 11 12 18

8 11 12 18

8 11 12 18

2

8 9 11 12 18

8 9 11 12 18

8 9 11 12 18

8 9 11 12 18

8 9 11 12 18

8 9 11 12 18

18

18

2

9 18

11 12 18

8 11 12 18

8 11 12 18

8 11 12 18

2

8 9 11 12 18

8 9 11 12 18

8 9 11 12 18

8 9 11 12 18

2

8 9 18

2

8 9 18

2

8 9 11 12 18

2

8 9 11 12 18

9 11 12 18

56

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