Intel 80C186EC Manual page 54

80C186EC 188EC 80L186EC 188EC
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
SCAS Scan byte word
e
LODS Load byte wd to AL AX
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
54
(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
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
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
data data if w 1
e
data if w 1
e
disp-high
(mod 11)
i
disp-high
(mod 11)
i
80C186EC 80C188EC
Comments
Clock Clock
Cycles Cycles
3 10 3 10
4 16 4 16
3 4 3 4 8 16-bit
3 10 3 10
14 14
22 22
15 15
12 12
10 10
14 14
14 14
8 8n 8 8n
a a
5 22n 5 22n
a a
5 15n 5 15n
a a
6 11n 6 11n
a a
6 9n 6 9n
a a
8 8n 8 8n
a a
8 8n 8 8n
a a
15 19
13 19 17 27
23 31
38 54
14 14
14 14
11 17 11 21
14 14
26 34