Miscellaneous instructions
Name	Description	Code	Operation	operands	operand size
nop	No operation	nop
ud2	Undefined instruction	ud2	Raise invalid opcode exception
xlat	Table lookup translation	xlatb	al = ds:[(e)bx + unsigned al]
		xlat [s_reg:bx] xlat [s_reg:ebx]	al = [s_reg:bx + unsigned al] al = [s_reg:ebx + unsigned al]	mem	byte
lea	Load effective address	lea dest,source	dest = address of source	reg, mem	word,byte dword,byte
lds	Load far pointer using DS	lds dest,source	ds:dest = source	reg,mem	word,dword dword,fword
les	Load far pointer using ES	les dest,source	es:dest = source
lfs	Load far pointer using FS	lfs dest,source	fs:dest = source
lgs	Load far pointer using GS	lgs dest,source	gs:dest = source
lss	Load far pointer using SS	lss dest,source	ss:dest = source
cpuid	Processor Identification	cpuid	eax,ebx,ecx,edx = processor identification and feature information according to initial value in eax
pause	Improves the performance of ˇ°spin-wait loops.ˇ±	pause	Gives hint to processor that improves performance of spin-wait loops.
enter	High-level procedure entry	enter size,level	Create a nested stack frame for a procedure	const,const	byte,0-31
leave	High-level procedure exit	leave	SET SP to BP, then pop BP SET ESP to EBP, then pop EBP