Intel 80C186EB Manual page 56

80C186EB 80C188EB 80L186EB 80L188EB
INSTRUCTION SET SUMMARY
Function
LOGIC (Continued)
XOR Exclusive or
e
Reg memory and register to either
Immediate to register memory
Immediate to accumulator
NOT Invert register memory
e
STRING MANIPULATION
MOVS Move byte word
e
CMPS Compare byte word
e
Scan byte word
SCAS
e
Load byte wd to AL AX
LODS
e
STOS Store byte wd from AL AX
e
INS Input byte wd from DX port
e
OUTS Output byte wd to DX port
e
Repeated by count in CX (REP REPE REPZ REPNE REPNZ)
MOVS Move string
e
CMPS Compare string
e
SCAS Scan string
e
LODS Load string
e
STOS Store string
e
INS Input string
e
OUTS Output string
e
CONTROL TRANSFER
CALL Call
e
Direct within segment
Register memory
indirect within segment
Direct intersegment
Indirect intersegment
JMP Unconditional jump
e
Short long
Direct within segment
Register memory
indirect within segment
Direct intersegment
Indirect intersegment
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
56
(Continued)
Format
0 0 1 1 0 0 d w mod reg r m
1 0 0 0 0 0 0 w mod 1 1 0 r m
0 0 1 1 0 1 0 w data data if w
1 1 1 1 0 1 1 w mod 0 1 0 r m
1 0 1 0 0 1 0 w
1 0 1 0 0 1 1 w
1 0 1 0 1 1 1 w
1 0 1 0 1 1 0 w
1 0 1 0 1 0 1 w
0 1 1 0 1 1 0 w
0 1 1 0 1 1 1 w
1 1 1 1 0 0 1 0 1 0 1 0 0 1 0 w
1 1 1 1 0 0 1 z 1 0 1 0 0 1 1 w
1 1 1 1 0 0 1 z 1 0 1 0 1 1 1 w
1 1 1 1 0 0 1 0 1 0 1 0 1 1 0 w
1 1 1 1 0 0 1 0 1 0 1 0 1 0 1 w
1 1 1 1 0 0 1 0 0 1 1 0 1 1 0 w
1 1 1 1 0 0 1 0 0 1 1 0 1 1 1 w
1 1 1 0 1 0 0 0 disp-low
1 1 1 1 1 1 1 1 mod 0 1 0 r m
1 0 0 1 1 0 1 0 segment offset
segment selector
1 1 1 1 1 1 1 1 mod 0 1 1 r m (mod
1 1 1 0 1 0 1 1 disp-low
1 1 1 0 1 0 0 1 disp-low
1 1 1 1 1 1 1 1 mod 1 0 0 r m
1 1 1 0 1 0 1 0 segment offset
segment selector
1 1 1 1 1 1 1 1 mod 1 0 1 r m (mod
80C186EB
Clock
Cycles
3 10
data data if w 1 4 16
e
1 3 4
e
3 10
8
5
a
5
a
6
a
6
8
8
disp-high
13 19
11)
i
disp-high
11 17
11)
i
80C188EB
Clock Comments
Cycles
3 10
4 16
3 4 8 16-bit
3 10
14 14
22 22
15 15
12 12
10 10
14 14
14 14
8n 8 8n
a a
22n 5 22n
a
15n 5 15n
a
11n 6 11n
a
9n 6 9n
a a
8n 8 8n
a a
8n 8 8n
a a
15 19
17 27
23 31
38 54
14 14
14 14
11 21
14 14
26 34