demo.tm

* Standard prelude:
  0:     LD  6,0(0) 	load maxaddress form location 0
  1:     ST  0,0(0) 	clear location 0
* End of standard prelude
  2:    LDA  0,1(7) 	save return address in ac
  4:   HALT  0,0,0 		program end

  5:     ST  0,-1(6) 	start function code section(save return address)
  6:    LDC  0,1(0) 	ac = 1
* One instruction's place is reserved here
  8:    LDC  0,2(0) 	ac = 2
  9:    OUT  0,0,0 		output(ac);

  7:    JEQ  0,2(7) 	jump to the end of if_stmt

 10:    LDC  0,3(0) 	ac = 3;
 11:    OUT  0,0,0 		output(ac);

 12:     LD  7,-1(6) 	end function code section(jmp to return address)

  3:    LDA  7,1(7) 	jump to main