--- ----initial------- MOVLA 00H IODIR PA IODIR PB IODIR PC MOVAM PA MOVAM BSR MOVAM STATUS MOVAM TMR0 MOVAM TMR1 MOVAM TMR2 -------end initial----- -------------乘法运算------------ 乘数->10H 被乘数->11h 结果(积)->12H 14H 15H 16H 17H(中间运算) --------------------------------- MOVLA 05H 乘数