Intel 8086-1 User Manual
Page 28
8086
Table 2 Instruction Set Summary
(Continued)
Mnemonic and
Instruction Code
Description
LOGIC
7 6 5 4 3 2 1 0
7 6 5 4 3 2 1 0
7 6 5 4 3 2 1 0
7 6 5 4 3 2 1 0
NOT
e
Invert
1 1 1 1 0 1 1 w
mod 0 1 0 r m
SHL SAL
e
Shift Logical Arithmetic Left
1 1 0 1 0 0 v w
mod 1 0 0 r m
SHR
e
Shift Logical Right
1 1 0 1 0 0 v w
mod 1 0 1 r m
SAR
e
Shift Arithmetic Right
1 1 0 1 0 0 v w
mod 1 1 1 r m
ROL
e
Rotate Left
1 1 0 1 0 0 v w
mod 0 0 0 r m
ROR
e
Rotate Right
1 1 0 1 0 0 v w
mod 0 0 1 r m
RCL
e
Rotate Through Carry Flag Left
1 1 0 1 0 0 v w
mod 0 1 0 r m
RCR
e
Rotate Through Carry Right
1 1 0 1 0 0 v w
mod 0 1 1 r m
AND
e
And
Reg Memory and Register to Either
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
data if w
e
1
Immediate to Accumulator
0 0 1 0 0 1 0 w
data
data if w
e
1
TEST
e
And Function to Flags No Result
Register Memory and Register
1 0 0 0 0 1 0 w
mod reg r m
Immediate Data and Register Memory
1 1 1 1 0 1 1 w
mod 0 0 0 r m
data
data if w
e
1
Immediate Data and Accumulator
1 0 1 0 1 0 0 w
data
data if w
e
1
OR
e
Or
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
data if w
e
1
Immediate to Accumulator
0 0 0 0 1 1 0 w
data
data if w
e
1
XOR
e
Exclusive or
Reg Memory and Register to Either
0 0 1 1 0 0 d w
mod reg r m
Immediate to Register Memory
1 0 0 0 0 0 0 w
mod 1 1 0 r m
data
data if w
e
1
Immediate to Accumulator
0 0 1 1 0 1 0 w
data
data if w
e
1
STRING MANIPULATION
REP
e
Repeat
1 1 1 1 0 0 1 z
MOVS
e
Move Byte Word
1 0 1 0 0 1 0 w
CMPS
e
Compare Byte Word
1 0 1 0 0 1 1 w
SCAS
e
Scan Byte Word
1 0 1 0 1 1 1 w
LODS
e
Load Byte Wd to AL AX
1 0 1 0 1 1 0 w
STOS
e
Stor Byte Wd from AL A
1 0 1 0 1 0 1 w
CONTROL TRANSFER
CALL
e
Call
Direct within Segment
1 1 1 0 1 0 0 0
disp-low
disp-high
Indirect within Segment
1 1 1 1 1 1 1 1
mod 0 1 0 r m
Direct Intersegment
1 0 0 1 1 0 1 0
offset-low
offset-high
seg-low
seg-high
Indirect Intersegment
1 1 1 1 1 1 1 1
mod 0 1 1 r m
Mnemonics
Intel 1978
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