Intel 80C186EA User Manual page 358

Name
JL Jump on Less Than:
JNGE Jump on Not Greater Than or Equal:
JL disp8
JNGE disp8
Transfers control to the target location
if the condition tested (SF≠OF) is true.
Instruction Operands:
JL short-label
JNGE short-label
JLE Jump on Less Than or Equal:
JNG Jump on Not Greater Than:
JGE disp8
JNL disp8
Transfers control to the target location
If the condition tested ((SF ≠ OF) or
(ZF=0)) is true.
Instruction Operands:
JGE short-label
JNL short-label
JMP Jump Unconditionally:
JMP target
Transfers control to the target location.
Instruction Operands:
JMP short-label
JMP near-label
JMP far-label
JMP memptr
JMP regptr
JNC Jump on Not Carry:
JNC disp8
Transfers control to the target location
if the tested condition (CF=0) is true.
Instruction Operands:
JNC short-label
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
Table C-4. Instruction Set (Continued)
Description
INSTRUCTION SET DESCRIPTIONS
Operation
if
(SF) ≠ (OF)
then
(IP) ← (IP) + disp8 (sign-ext to 16 bits)
if
((SF) ≠ (OF)) or ((ZF) = 1)
then
(IP) ← (IP) + disp8 (sign-ext to 16 bits)
if
Inter-segment
then
(CS) ← SEG
(IP) ← dest
if
(CF) = 0
then
(IP) ← (IP) + disp8 (sign-ext to 16 bits)
Flags
Affected
AF –
CF –
DF –
IF –
OF –
PF –
SF –
TF –
ZF –
AF –
CF –
DF –
IF –
OF –
PF –
SF –
TF –
ZF –
AF –
CF –
DF –
IF –
OF –
PF –
SF –
TF –
ZF –
AF –
CF –
DF –
IF –
OF –
PF –
SF –
TF –
ZF –
C-23