[程序4] START PRUGBC LDGR0,DATA LEA GR1,0 LEA GR3,48 LOOP1 CPL GR0,WDT,GR1 JP2 LOOP2 STGR3,BTASC,GR1 LEA GR1,1,GR1 LEA GR2,-4,GR1 JN2 LOOP1 (1) LOOP2 LEA GR2,48 LOOP3 CPL GR0,WDT,GR1 JMI NEXT (2) LEA GR2,1,GR2 JMP LOOP3 NEXT (3) LEA GR1,1,GR1 LEA GR2,-4,GR1 JNZLOOP2 LAST (4) ;处理个位数 (5) EXIT C48DC48 WDTDC10000 DC 1000 DC 100 DC 10 BTASC DS 5 DATA DC #FA59H END