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889
Spec Number
518055
HS-80C86RH
JMP = Unconditional Jump:
Direct Within Segment
1 1 1 0 1 0 0 1
disp-low
disp-high
Direct Within Segment-Short
1 1 1 0 1 0 1 1
disp
Indirect Within Segment
1 1 1 1 1 1 1 1
mod 1 0 0 r/m
Direct Intersegment
1 1 1 0 1 0 1 0
offset-low
offset-high
Direct Intersegment
1 1 1 0 1 0 1 0
offset-low
offset-high
seg-low
seg-high
Indirect Intersegment
1 1 1 1 1 1 1 1
mod 1 0 1 r/m
RET = Return from CALL:
Within Segment
1 1 0 0 0 0 1 1
Within Seg Adding lmmed to SP
1 1 0 0 0 0 1 0
data-low
data-high
Intersegment
1 1 0 0 1 0 1 1
Intersegment Adding Immediate to SP
1 1 0 0 1 0 1 0
data-low
data-high
JE/JZ =
Jump on Equal/Zero
0 1 1 1 0 1 0 0
disp
JL/JNGE =
Jump on Less/Not Greater or Equal
0 1 1 1 1 1 0 0
disp
JLE/JNG =
Jump on Less or Equal/ Not Greater
0 1 1 1 1 1 1 0
disp
JB/JNAE =
Jump on Below/Not Above or Equal
0 1 1 1 0 0 1 0
disp
JBE/JNA =
Jump on Below or Equal/Not Above
0 1 1 1 0 1 1 0
disp
JP/JPE =
Jump on Parity/Parity Even
0 1 1 1 1 0 1 0
disp
JO =
Jump on Overtlow
0 1 1 1 0 0 0 0
disp
JS =
Jump on Sign
0 1 1 1 1 0 0 0
disp
JNE/JNZ =
Jump on Not Equal/Not Zero
0 1 1 1 0 1 0 1
disp
JNL/JGE =
Jump on Not Less/Greater or Equal
0 1 1 1 1 1 0 1
disp
JNLE/JG =
Jump on Not Less or Equal/Greater
0 1 1 1 1 1 1 1
disp
JNB/JAE =
Jump on Not Below/Above or Equal
0 1 1 1 0 0 1 1
disp
JNBE/JA =
Jump on Not Below or Equal/Above
0 1 1 1 0 1 1 1
disp
JNP/JPO =
Jump on Not Par/Par Odd
0 1 1 1 1 0 1 1
disp
JNO =
Jump on Not Overflow
0 1 1 1 0 0 0 1
disp
JNS =
Jump on Not Sign
0 1 1 1 1 0 0 1
disp
LOOP =
Loop CX Times
1 1 1 0 0 0 1 0
disp
LOOPZ/LOOPE =
Loop While Zero/Equal
1 1 1 0 0 0 0 1
disp
LOOPNZ/LOOPNE =
Loop While Not Zero/Equal
1 1 1 0 0 0 0 0
disp
JCXZ =
Jump on CX Zero
1 1 1 0 0 0 1 1
disp
INT =
Interrupt
Type Specified
1 1 0 0 1 1 0 1
type
Type 3
1 1 0 0 1 1 0 0
INTO =
Interrupt on Overflow
1 1 0 0 1 1 1 0
IRET =
Interrupt Return
1 1 0 0 1 1 1 1
Instruction Set Summary
(Continued)
MNEMONIC AND DESCRIPTION
INSTRUCTION CODE
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