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1、ORG0000HLJMPSTARTSTART:MOV40H,#56MOV41H,#59MOV42H,#23MOVP0,#0FFHSTART1:MOVP1,#0FFHMOVP2,#0MOVR7,#0BHLCALLDISPLAYLJMPINTT0LJMPSTART1INTT0:MOVA,40HADDA,#1HMOV40H,ASUBBA,#60JZADDMMLJMPSTART1ADDMM:MOV40H,#0HMOVA,41HADDA,#1HMOV41H,ASUBBA,#60JZADDHHLJMPSTART1ADDHH:MO
2、V41H,#0HMOVA,42HADDA,#1HMOV42H,ASUBBA,#24JZHOURLJMPSTART1HOUR:MOV40H,#0HMOV41H,#0HMOV42H,#0HLJMPSTART1DISPLAY:MOVA,40H;往52.53.54.55输就显出了，七段码AJMPXIANMIN:MOVA,41HAJMPXIANHOR:MOVA,42HAJMPXIANXIAN:MOVB,#10DIVABMOV60H,AMOVA,BMOVDPTR,#TABMOVCA,@A+DPTRCLRTIMOVSBUF,AJN
3、BTI,$CLRTIMOVA,60HMOVCA,@A+DPTRCLRTIMOVSBUF,AJNBTI,$CLRTILCALLDELAYJNBP1.4,MINJNBP1.5,HORRETTAB:DB0FCH,60H,0DAH,0F2H,66HDB0B6H,0BEH,0E0H,0FEH,0F6HDELAY:MOVR2,#10D1:MOVR3,#200D2:MOVR4,#250DJNZR4,$DJNZR3,D2DJNZR2,D1RETEND
