80C286_08 Datasheet, PDF (56/60 Pages) Intersil Corporation – High Performance Microprocessor with Memory Management and Protection

80C286
80C286 Instruction Set Summary (Continued)
FUNCTION
FORMAT
Register - Byte
Register - Word
Memory - Byte
Memory - Word
IMUL = Integer Multiply
(Signed)
Register - Byte
Register - Word
Memory - Byte
1111011w mod 101
r/m
Memory - Word
IMUL = Interger Immediate 011010s1 mod reg data
Multiply (Signed)
r/m
DIV = Divide (Unsigned) 1111011w mod 110
r/m
Register - Byte
Register - Word
Memory - Byte
Memory - Word
IDIV = Integer Divide 1111011w mod 111
(Signed)
r/m
Register - Byte
Register - Word
Memory - Byte
Memory - Word
AAM = ASCII Adjust for 11010100 00001010
Multiply
CLOCK COUNT
COMMENTS
REAL PRO-
ADDRES TECTED
S
VIRTUAL
MODE ADDRESS
MODE
REAL PRO-
ADDRES TECTED
S
VIRTUAL
MODE ADDRESS
MODE
13
13
21
21
16
16
2
9
(Note 59) (Note 59)
24
24
2
9
(Note 59) (Note 59)
13
13
21
21
16
16
2
9
(Note 59) (Note 59)
24
24
2
9
(Note 59) (Note 59)
data if s = 21, 24 21, 24
2
9
0
(Note 59) (Note 59)
14
14
6
6
22
22
6
6
17
17
2, 6
6, 9
(Note 59) (Note 59)
25
25
2, 6
6, 9
(Note 59) (Note 59)
17
17
6
6
25
25
6
6
20
20
2, 6
6, 9
(Note 59) (Note 59)
28
28
2, 6
6, 9
(Note 59) (Note 59)
16
16
56