【正文】
POP PSW POP ACC RETISEND164: MOV BUFF_164,08 。發(fā)送數(shù)據(jù)到74164 PUSH ACCSND164_LP:CLR CLK164 RLC A MOV DAT164,C SETB CLK164 DJNZ BUFF_164,SND164_LP POP ACC RET BIN_BCD:MOV B,10 DIV AB RETTABLE:DB 0C0H,0F9H,0A4H,0B0H,99H,92H,82H,0F8H,80H,90H END