【正文】 OV P2,7FHJB ,KILCJNE R5,00H,L4MOV R4,00HINC R5MOV R3,4HKIL:LJMP KENDL4:LJMP CENDK20:JB ,K30K21:MOV P2,0EFHJB ,K22LJMP DYUK22:MOV P2,0DFHJB ,K23MOV 25H,3HLJMP OPRK23:MOV P2,0BFHJB ,K24MOV 25H,6HLJMP OPRK24:MOV P2,7FHJB ,cctvMOV 25H,9HLJMP OPRcctv:ljmp kendK30:JB ,K40K31: MOV P2,0EFHJB ,K32MOV 25H,0HLJMP OPRK32:MOV P2,0DFHJB ,K33MOV 25H,2HLJMP OPRK33:MOV P2,0BFHJB ,K34MOV 25H,5HLJMP OPRK34:MOV P2,7FHJB ,KENDMOV 25H,8HLJMP OPRK40:JB ,KENDK41: MOV P2,0EFHJB ,K42INC 27HLJMP KENDK42:MOV P2,0DFHJB ,K43MOV 25H,1HLJMP OPRK43:MOV P2,0BFHJB ,K44MOV 25H,4HLJMP OPRK44:MOV P2,7FHJB ,KENDMOV 25H,7HLJMP OPROPR: 。鍵值存儲 INC R4CJNE R5,00H,CHANGCJNE R4,2H,KBKZHI:MOV A,20HMOV B,0AHMUL ABMOV 20H,25HADD A,20HCJNE R5,00H,CZHMOV 23H,ALJMP KENDCZH: MOV 24H,ALJMP KENDKEND:MOV P2,0FHMOV A,P2ANL A,0FHCJNE A,0FH,KENDRETCHANG: CJNE R4,2H,HONG AJMP ZHIHONG:JNC CENDINC R5MOV 20H,25HMOV 24H,25HLJMP CENDKBK:JNC CENDMOV 20H,25HMOV 23H,25HLJMP CENDDYU: 。結(jié)果計(jì)算MOV R5,00HMOV R4,00HMOV 25H,00HCJNE R3,1H,SMOV A,23HADD A,24HMOV 23H,ASJMP CENDS:CJNE R3,2H,S1CLR CMOV A,23HCJNE A,00H,JIANFAMOV 23H,0EHSJMP CENDJIANFA:SUBB A,24HMOV 23H,ASJMP CENDS1:CJNE R3,3H,S2MOV A,23HMOV B,24HMOV A,23HMUL ABMOV R6,BCJNE R6,00H,CHENGMOV 23H,ASJMP CENDS2:CJNE R3,4,CENDMOV A,24HCJNE A,00H,ZYMOV A,00HSJMP CENDZY:MOV A,23HMOV B,24HDIV ABMOV 23H,ACEND:MOV P2,0FHMOV A,P2ANL A,0FHCJNE A,0FH,CENDRETCHENG:MOV R3,BMOV B,64HDIV ABMOV 36H,AMOV A,BMOV B,0AHDIV ABMOV 35H,AMOV 34H,BMOV DPTR,TABLEXIAN:MOV A,34HADD A,6HMOV B,0AHDIV ABMOV 25H,AMOV 34H,BMOV A,BMOVC A,@A+DPTRMOV DISPBUF,AMOV A,35HADD A,5HADD A,25HMOV B,0AHDIV ABMOV 25H,AMOV 35H,BMOV A,BMOVC A,@A+DPTRMOV DISPBUF+1,AMOV A,36HADD A,2HADD A,25HMOV B,0AHDIV ABADD A,37HMOV 37H,AMOVC A,@A+DPTRMOV DISPBUF+3,AMOV 36H,BMOV A,BMOVC A,@A+DPTRMOV DISPBUF+2,ADJNZ R6,XIANMOV 26H,1HAJMP CENDCONV: 。數(shù)碼管顯示數(shù)據(jù)轉(zhuǎn)換子程序 CJNE R5,02H,BEIMOV A,24HAJMP JINGBEI:MOV A,23HJING:MOV B,64HDIV ABMOV DPTR,TABLEMOVC A,@A+DPTRMOV DISPBUF+2,AMOV A,BMOV B,0AHDIV ABMOVC A,@A+DPTRMOV DISPBUF+1,AMOV A,BMOVC A,@A+DPTRMOV DISPBUF,ARET。數(shù)碼管動態(tài)顯示子程序DISPSCAN:MOV R0,DISPBUF MOV R2,4HMOV A,1HSC:PUSH ACCMOV A,@R0MOV P1,APOP ACCMOV P0,ALCALL DELAY1RL AINC R0DJNZ R2,SCMOV P0,1HRETDEL12: MOV R6,1EHDEL2:MOV R7,64HDEL1:DJNZ R7,DEL1DJNZ R6,DEL2RETDELAY1: MOV R6,70D2:MOV R7,100DJNZ R7,$DJNZ R6,D2RET 。字符表TABLE:DB 0C0H,0F9H,0A4H,0B0H,99HDB 92H,82H,0F8H,80H,90HDB 88H,83H,0C6H,0A1H,86HDB 8EHEND