Intel 80C186EA Preliminary Information page 48

80C186EA 80C188EA 80L186EA 80L188EA
INSTRUCTION SET SUMMARY
Function
CONTROL TRANSFER (Continued)
RET Return from CALL
e
Within segment
Within seg adding immed to SP
Intersegment
Intersegment adding immediate to SP
JE JZ Jump on equal zero
e
JL JNGE Jump on less not greater or equal
e
JLE JNG Jump on less or equal not greater
e
JB JNAE Jump on below not above or equal
e
JBE JNA Jump on below or equal not above
e
JP JPE Jump on parity parity even
e
JO Jump on overflow
e
JS Jump on sign
e
JNE JNZ Jump on not equal not zero
e
JNL JGE Jump on not less greater or equal
e
JNLE JG Jump on not less or equal greater
e
JNB JAE Jump on not below above or equal
e
JNBE JA Jump on not below or equal above
e
JNP JPO Jump on not par par odd
e
JNO Jump on not overflow
e
JNS Jump on not sign
e
JCXZ Jump on CX zero
e
LOOP Loop CX times
e
LOOPZ LOOPE Loop while zero equal
e
LOOPNZ LOOPNE Loop while not zero equal
e
ENTER Enter Procedure
e
L 0
e
L 1
e
L 1
l
LEAVE Leave Procedure
e
INT Interrupt
e
Type specified
Type 3
INTO Interrupt on overflow
e
IRET Interrupt return
e
BOUND Detect value out of range
e
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
48
(Continued)
Format
1 1 0 0 0 0 1 1
1 1 0 0 0 0 1 0 data-low data-high
1 1 0 0 1 0 1 1
1 1 0 0 1 0 1 0 data-low data-high
0 1 1 1 0 1 0 0 disp
0 1 1 1 1 1 0 0 disp
0 1 1 1 1 1 1 0 disp
0 1 1 1 0 0 1 0 disp
0 1 1 1 0 1 1 0 disp
0 1 1 1 1 0 1 0 disp
0 1 1 1 0 0 0 0 disp
0 1 1 1 1 0 0 0 disp
0 1 1 1 0 1 0 1 disp
0 1 1 1 1 1 0 1 disp
0 1 1 1 1 1 1 1 disp
0 1 1 1 0 0 1 1 disp
0 1 1 1 0 1 1 1 disp
0 1 1 1 1 0 1 1 disp
0 1 1 1 0 0 0 1 disp
0 1 1 1 1 0 0 1 disp
1 1 1 0 0 0 1 1 disp
1 1 1 0 0 0 1 0 disp
1 1 1 0 0 0 0 1 disp
1 1 1 0 0 0 0 0 disp
1 1 0 0 1 0 0 0 data-low data-high
1 1 0 0 1 0 0 1
1 1 0 0 1 1 0 1 type
1 1 0 0 1 1 0 0
1 1 0 0 1 1 1 0
1 1 0 0 1 1 1 1
0 1 1 0 0 0 1 0 mod reg r m
80C186EA 80C188EA
Clock Clock
Cycles Cycles
16 20
18 22
22 30
25 33
4 13 4 13
4 13 4 13
4 13 4 13
4 13 4 13
4 13 4 13
4 13 4 13
4 13 4 13
4 13 4 13
4 13 4 13
4 13 4 13
4 13 4 13
4 13 4 13
4 13 4 13
4 13 4 13
4 13 4 13
4 13 4 13
5 15 5 15
6 16 6 16
taken LOOP
6 16 6 16
6 16 6 16
L
15 19
25 29
22 16(n 1) 26 20(n 1)
a b a b
8 8
47 47
45 45 if INT taken
48 4 48 4
28 28
33–35 33–35
Comments
JMP not
taken JMP
taken
LOOP not
taken
if INT not
taken
48