Intel 80C186EB Manual page 55

INSTRUCTION SET SUMMARY
Function
ARITHMETIC (Continued)
IMUL Integer multiply (signed)
e
Register-Byte
Register-Word
Memory-Byte
Memory-Word
IMUL Integer Immediate multiply
e
(signed)
DIV Divide (unsigned)
e
Register-Byte
Register-Word
Memory-Byte
Memory-Word
IDIV Integer divide (signed)
e
Register-Byte
Register-Word
Memory-Byte
Memory-Word
AAM ASCII adjust for multiply
e
AAD ASCII adjust for divide
e
CBW Convert byte to word
e
CWD Convert word to double word
e
LOGIC
Shift Rotate Instructions
Register Memory by 1
Register Memory by CL
Register Memory by Count
AND And
e
Reg memory and register to either
Immediate to register memory
Immediate to accumulator
TEST And function to flags no result
e
Register memory and register
Immediate data and register memory
Immediate data and accumulator
OR Or
e
Reg memory and register to either
Immediate to register memory
Immediate to accumulator
Shaded areas indicate instructions not available in 8086 8088 microsystems
NOTE
Clock cycles shown for byte transfers For word operations add 4 clock cycles for all memory transfers
80C186EB 80C188EB 80L186EB 80L188EB
(Continued)
Format
1 1 1 1 0 1 1 w mod 1 0 1 r m
0 1 1 0 1 0 s 1 mod reg r m
1 1 1 1 0 1 1 w mod 1 1 0 r m
1 1 1 1 0 1 1 w mod 1 1 1 r m
1 1 0 1 0 1 0 0 0 0 0 0 1 0 1 0
1 1 0 1 0 1 0 1 0 0 0 0 1 0 1 0
1 0 0 1 1 0 0 0
1 0 0 1 1 0 0 1
1 1 0 1 0 0 0 w mod TTT r m
1 1 0 1 0 0 1 w mod TTT r m
1 1 0 0 0 0 0 w mod TTT r m
TTT Instruction
0 0 0 ROL
0 0 1 ROR
0 1 0 RCL
0 1 1 RCR
1 0 0 SHL SAL
1 0 1 SHR
1 1 1 SAR
0 0 1 0 0 0 d w mod reg r m
1 0 0 0 0 0 0 w mod 1 0 0 r m
0 0 1 0 0 1 0 w data data if w
1 0 0 0 0 1 0 w mod reg r m
1 1 1 1 0 1 1 w mod 0 0 0 r m
1 0 1 0 1 0 0 w data data if w
0 0 0 0 1 0 d w mod reg r m
1 0 0 0 0 0 0 w mod 0 0 1 r m
0 0 0 0 1 1 0 w data data if w
80C186EB
Clock
Cycles
25–28
34–37
31–34
40–43
data data if s 0 22–25
e
29–32
29
38
35
44
44–52
53–61
50–58
59–67
19
15
2
4
2 15
5 n 17
a
count 5 n 17
a
3 10
data data if w 1 4 16
e
1 3 4
e
3 10
data data if w 1 4 10
e
1 3 4
e
3 10
data data if w 1 4 16
e
1 3 4
e
80C188EB
Clock Comments
Cycles
25–28
34–37
31–34
40–43
22–25
29–32
29
38
35
44
44–52
53–61
50–58
59–67
19
15
2
4
2 15
n 5 n 17 n
a a a
n 5 n 17 n
a a a
3 10
4 16
3 4 8 16-bit
3 10
4 10
3 4 8 16-bit
3 10
4 16
3 4 8 16-bit
55