M80C186 查看數據表（PDF） - Intel
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M80C186 Datasheet PDF : 59 Pages
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M80C186
INSTRUCTION SET SUMMARY (Continued)
Function
ARITHMETIC (Continued)
IMUL e Integer multiply (signed)
Register-Byte
Register-Word
Memory-Byte
Memory-Word
IMUL e Integer Immediate multiply
(signed)
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
data
data if se0
DIV e Divide (unsigned)
Register-Byte
Register-Word
Memory-Byte
Memory-Word
IDIV e Integer divide (signed)
Register-Byte
Register-Word
Memory-Byte
Memory-Word
AAM e ASCII adjust for multiply
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
11010100 00001010
AAD e ASCII adjust for divide
11010101 00001010
CBW e Convert byte to word
10011000
CWD e Convert word to double word 1 0 0 1 1 0 0 1
LOGIC
Shift Rotate Instructions
Register Memory by 1
1 1 0 1 0 0 0 w mod TTT r m
Register Memory by CL
1 1 0 1 0 0 1 w mod TTT r m
Register Memory by Count
1 1 0 0 0 0 0 w mod TTT r m
count
AND e And
Reg memory and register to either
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
Immediate to register memory
1 0 0 0 0 0 0 w mod 1 0 0 r m
data
Immediate to accumulator
0010010w
data
data if we1
TESTeAnd function to flags no result
Register memory and register
1000010w
mod reg r m
Immediate data and register memory 1 1 1 1 0 1 1 w mod 0 0 0 r m
data
Immediate data and accumulator
1010100w
data
data if we1
OReOr
Reg memory and register to either
0 0 0 0 1 0 d w mod reg r m
Immediate to register memory
1 0 0 0 0 0 0 w mod 0 0 1 r m
data
Immediate to accumulator
0000110w
data
data if we1
Shaded areas indicate instructions not available in M8086 M8088 microsystems
data if we1
data if we1
data if we1
56
Clock
Cycles
Comments
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
5an 17an
5an 17an
3 10
4 16
34
3 10
4 10
34
3 10
4 16
34
8 16-bit
8 16-bit
8 16-bit
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