Data Movement

Name	Description	Code	Operation	operands	operand size
Data Movement
mov	Move (copy)	mov dest,source	dest = source	reg, reg reg, mem men, reg reg, const mem, const s_reg, reg s_reg, mem reg, s_reg mem, s_reg c_reg, reg reg, c_reg	byte, byte word, word dword, dword
xchg	Exchange (swap)	xchg op1,op2	op1 = op2, op2 = op1	reg, reg reg, mem mem, reg	byte, byte word, word dword, dword
Stack instructions
push	Push onto stack	push source	DEC SP, [SP] = Source	mem reg s_reg const	word dword
pop	Pop from stack	pop dest	Dest = [SP], INC SP	mem reg s_reg	word dword
pusha	Push all general registers	pusha pushaw pushad	push AX, CX, DX, BX, SP, BP, SI, DI
popa	Pop all general registers	popa popaw popad	pop DI, SI, BP, SP, BX, DX, CX, AX