Passing Parameters
	ä How do we pass parameters? ä Can push parameters onto the stack before calling to pass parameters, the subprogram can then reference the stack for the parameters ä They can be discarded from the stack using the following variant of the RET operation ä RET nn ä Where nn is the number added to the SP  just after the return address is popped off ä By Value ä Push the value ä By Reference ä Push the address, the called routine must also assume the parameter will be accessed indirectly