MOV A,AD_NUM_BCD_H_0 ANL A,#0F0H SWAP A MOV B,#10 MUL AB.功能,为什么是这样写,为什么乘以10mov a,AD_NUM_BCD_H_0anl a,#0F0Hswap amov b,#10mul abmov r0,amov a,AD_NUM_BCD_H_0anl a,#0FHadd a,r0mov r0,amov a,AD_NUM_BCD_H_1anl a,#0F0Hswap amov
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![MOV A,AD_NUM_BCD_H_0 ANL A,#0F0H SWAP A MOV B,#10 MUL AB.功能,为什么是这样写,为什么乘以10mov a,AD_NUM_BCD_H_0anl a,#0F0Hswap amov b,#10mul abmov r0,amov a,AD_NUM_BCD_H_0anl a,#0FHadd a,r0mov r0,amov a,AD_NUM_BCD_H_1anl a,#0F0Hswap amov](/uploads/image/z/11225384-8-4.jpg?t=MOV+A%2CAD_NUM_BCD_H_0+ANL+A%2C%230F0H+SWAP+A+MOV+B%2C%2310+MUL+AB.%E5%8A%9F%E8%83%BD%2C%E4%B8%BA%E4%BB%80%E4%B9%88%E6%98%AF%E8%BF%99%E6%A0%B7%E5%86%99%2C%E4%B8%BA%E4%BB%80%E4%B9%88%E4%B9%98%E4%BB%A510mov+a%2CAD_NUM_BCD_H_0anl+a%2C%230F0Hswap+amov+b%2C%2310mul+abmov+r0%2Camov+a%2CAD_NUM_BCD_H_0anl+a%2C%230FHadd+a%2Cr0mov+r0%2Camov+a%2CAD_NUM_BCD_H_1anl+a%2C%230F0Hswap+amov)
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