public void executeBLTZ(Instruction instruction) { 
		/* -- Branch on less than zero

	Description:
	Branches if the register is less than zero
	Operation:
	if $s < 0 advance_pc (offset << 2)); else advance_pc (4);
	Syntax:
	bltz $s, offset
	Encoding:
	0000 01ss sss0 0000 iiii iiii iiii iiii
		 */ 
	}