#include mc30p6080.inc

Num1 EQU 0x20
Num2 EQU 0x21
Num3 EQU 0x23

   	org 0x00
   	goto main

   	org 0x08

inte:
   	nop	
   	retie

main:
   	movai 30
   	movra Num1
   	movai 31
   	movra Num2

    CALL  SUB
   	movar Num3
   	movra Num1
   	movai 32
   	movra Num2

   	CALL  SUB
   	movar Num3
   	movai 40



SUB:
   	movar  Num1
   	rsubar Num2
   	jbset  STATUS，0
   	goto   x_big

y_big:
   	movar Num2
   	movra Num3
   	goto  theend

x_big:
   	movar Num1
   	movra Num3

theend:
    return

    end