public void executeBGTZ(Instruction instruction) { 
		/* -- Branch on greater than zero

	Description:
	Branches if the register is greater than zero
	Operation:
	if $s > 0 advance_pc (offset << 2)); else advance_pc (4);
	Syntax:
	bgtz $s, offset
	Encoding:
	0001 11ss sss0 0000 iiii iiii iiii iiii
		 */ 
	}