Intel 80C186EA, User Manual

Page: 359 / 417

INSTRUCTION SET DESCRIPTIONS
C-24
JNE
JNZ Jump on Not Equal:
Jump on Not Zero:
JNE disp8
JNZ disp8
Transfers control to the target location
if the tested condition (ZF = 0) is true.
Instruction Operands:
JNE short-label
JNZ short-label
if
(ZF) = 0
then
(IP)
←
(IP) + disp8 (sign-ext to 16 bits)
AF –
CF –
DF –
IF –
OF –
PF –
SF –
TF –
ZF –
JNO Jump on Not Overflow:
JNO disp8
Transfers control to the target location
if the tested condition (OF = 0) is true.
Instruction Operands:
JNO short-label
if
(OF) = 0
then
(IP)
←
(IP) + disp8 (sign-ext to 16 bits)
AF –
CF –
DF –
IF –
OF –
PF –
SF –
TF –
ZF –
JNS Jump on Not Sign:
JNS
disp8
Transfers control to the target location
if the tested condition (SF = 0) is true.
Instruction Operands:
JNS short-label
if
(SF) = 0
then
(IP)
←
(IP) + disp8 (sign-ext to 16 bits)
AF –
CF –
DF –
IF –
OF –
PF –
SF –
TF –
ZF –
JNP
JPO Jump on Not Parity:
Jump on Parity Odd:
JNO disp8
JPO
disp8
Transfers control to the target location
if the tested condition (PF=0) is true.
Instruction Operands:
JNO short-label
JPO short-label
if
(PF) = 0
then
(IP)
←
(IP) + disp8 (sign-ext to 16 bits)
AF –
CF –
DF –
IF –
OF –
PF –
SF –
TF –
ZF –
Table C-4. Instruction Set (Continued)
Name Description Operation
Flags
Affected
NOTE: The three symbols used in the Flags Affected column are defined as follows:
– the contents of the flag remain unchanged after the instruction is executed
? the contents of the flag is undefined after the instruction is executed
ü
the flag is updated after the instruction is executed