X:     .LONG      10
Y:     .BLKL      1

Arg:   .LONG      2
       .ADDRESS   X
       .ADDRESS   Y

A = 4
B = 8
 
       .ENTRY   Proc, ^M<R3>
       ADDL3    #16, @A(AP), R3
       MULL3    #2, R3, @B(AP)
       RET

       .ENTRY   Main, 0
       CALLG    Arg, Proc
       PUSHAL   Y
       PUSHAL   X
       CALLS    #2, Proc
       $EXIT_S
       .END     Main