Intel 80C188XL, 80C186XL Jump on Above or Equal, Jump on Not Below, Jump on Below or Equal

		INSTRUCTION SET DESCRIPTIONS
	Table C-4. Instruction Set (Continued)
Name	Description	Operation	Flags
			Affected
JAE	Jump on Above or Equal:	if	AF –
JNB	Jump on Not Below:	(CF) = 0	CF –
	JAE disp8	then	DF –
		(IP) ← (IP) + disp8 (sign-ext to 16 bits)	IF –
	JNB disp8
			OF –
	Transfers control to the target location
			PF –
	if the tested condition (CF = 0) is true.
			SF –
	Instruction Operands:
			TF –
	JAE short-label		ZF –
	JNB short-label
JB	Jump on Below:	if	AF –
JNAE	Jump on Not Above or Equal:	(CF) = 1	CF –
	JB disp8	then	DF –
		(IP) ← (IP) + disp8 (sign-ext to 16 bits)	IF –
	JNAE disp8
			OF –
	Transfers control to the target location
			PF –
	if the tested condition (CF = 1) is true.
			SF –
	Instruction Operands:
			TF –
	JB short-label		ZF –
	JNAE short-label
JBE	Jump on Below or Equal:	if	AF –
JNA	Jump on Not Above:	((CF) = 1) or ((ZF) = 1)	CF –
	JBE disp8	then	DF –
		(IP) ← (IP) + disp8 (sign-ext to 16 bits)	IF –
	JNA disp8
			OF –
	Transfers control to the target location
			PF –
	if the tested condition ((C =1) or
			SF –
	(ZF=1)) is true.
			TF –
	Instruction Operands:
			ZF –
	JBE short-label
	JNA short-label
JC	Jump on Carry:	if	AF –
	JC disp8	(CF) = 1	CF –
		then	DF –
	Transfers control to the target location
		(IP) ← (IP) + disp8 (sign-ext to 16 bits)	IF –
	if the tested condition (CF=1) is true.
			OF –
	Instruction Operands:
			PF –
	JC short-label		SF –
			TF –
			ZF –

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

the flag is updated after the instruction is executed

C-21