外部中断次数DISTANCE EQU 68H ;
行车距离MS100 EQU 67H 。

26、SEC EQU 66HMIN EQU 65HHOUR EQU 64HLEDSL EQU 63H ;
时分钞显示缓冲区LEDSH EQU 62HLEDML EQU 61HLEDMH EQU 60HLEDHL EQU 5FHLEDHH EQU 5EHLEDDANJIAL EQU 5DH ;
总额 ， 单价显示缓冲区LEDDANJIAH EQU 5CHLINE_ EQU 5BHLEDCOUNT1 EQU 5AHLEDCOUNT2 EQU 59HLEDCOUNT3 EQU 58HLEDDANJIA2L EQU 57H ;
路程 ， 单价显示缓冲区LEDDANJIA2H EQU 56HLINE_ EQU 55H 。

27、LINE_ EQU 54HLEDDISTANCEL EQU 53HLEDDISTANCEH EQU 52HLEDDAY_PL EQU 51H ;
中途 ， 晚上 ， 白天显示缓冲区LEDDAY_PH EQU 50HLEDNIG_PL EQU 4FHLEDNIG_PH EQU 4EHLEDW_PL EQU 4DHLEDW_PH EQU 4CHS1 BIT P1.0S2 BIT P1.1S3 BIT P1.2S4 BIT P1.3S11 EQU 4BHS22 EQU 4AHS33 EQU 49HS44 EQU 48HM1 EQU 47HH1 EQU 46HM2 EQU 45HH2 EQU 44HPRICE 。

28、 EQU 43HORG 0000HAJMPMAINORG 0003HAJMPTOORG 000BHAJMPTOTIMEORG 001BHAJMPTOSTARTORG 0030HMAIN: MOV SP,#70HMOV TMOD, #11HMOV TH0, #3CHMOV TL0, #0B0HMOV TH1, #3CHMOV TL1, #0B0HMOV 22H, #0AHSETB EASETB TR0SETB EX0SETB IT0SETB ET0SETB ET1MOV R7,#34MOV R0,#69HLOOPL:MOV R0,#0DEC R0DJNZR7,LOOPLMOV COUNTL, # 。

29、00H ;
起步价MOV COUNTH, #05HMOV DAY_PRICE,#25H ;
白天价格初始化MOV NIGHT_PRICE,#30H ;
晚上价格初始化MOV MIDWAY_PRICE,#10H ;
中途等待初始化MOV START_PRICE, #50H ;
起步价初始化MOV S11, #0MOV S22, #0MOV S33, #0MOV S44, #0MOV DISTANCE, #02HMOV HOUR, #12HKEY_MAIN: SETB TR0ACALL HMS_DISACALL T100MSDACALL T100MSDACALL T100MSDJB S1, KEY 。

30、_MAINACALL T10MSDJB S1, KEY_MAINJNB S1,$SJMP WAI1WA1:JB S1, K1ACALL T10MSDJB S1, K1WAIT1:JNB S1, WAIT1MOV R0, #LEDDANJIALMOV R2, #6CLR AMOV COUNTL,AMOV COUNTH,AMOV M100, AMOV DISTANCE,ABK1: MOV R0, ADEC R0DJNZ R2, BK1MOV PRICE,DAY_PRICE;
起动初始化MOV COUNTL, #00H;
起步价MOV COUNTH, #05HLCALL CP_DIS;
总金额和单价 。

31、显示K1: JB S2, K2ACALL T10MSDJB S2, K2WAIT2: JNB S2, WAIT2INC S22MOV A, S22CJNE A, #1, NEXT1LCALL PA_DISLJMP KEY_DJNEXT1:CJNE A, #2, NEXT2CLR TR0LCALL HMS_DISLJMP KEY_SJNEXT2:CJNE A, #3, K2MOV S22, #0K2: JB S3, K3ACALL T10MSDJB S3, K3WAIT3:JNB S3, WAIT3INC S33MOV A, S33CJNE A, #1, NXT1LCALL DP_DISNXT1 。

32、: CJNE A, #2, NXT2CLR CMOV A, M2SUBB A, M1MOV M1, AMOV A, H2SUBB A, H1MOV H1, ANXT2: CJNE A, #3, K3MOV S33, #0LCALL CP_DISK3: JB S4, BK_KEY_MAINACALL T10MSDJB S4, BK_KEY_MAINWAIT4:JNB S4, WAIT4INC S44MOV A, S44CJNE A, #1, NT1MOV PRICE,DAY_PRICELCALL CP_DISNT1:CJNE A, #2, NT2MOV PRICE,NIGHT_PRICELCAL 。

33、L CP_DISNT2:CJNE A, #3, NT3MOV PRICE,MIDWAY_PRICESETB TR1LCALL CP_DISNT3:CJNE A, #4, BK_KEY_MAINMOV S44, #0LJMP KEY_MAINBK_KEY_MAIN: LJMP WA1KEY_DJ:JB S1, KY1ACALL T10MSDJB S1, KY1WAIT5:JNB S1, WAIT5INC S11MOV A, S11CJNE A, #1, NEXT11LJMP DAY_PNEXT11: CJNE A, #2,NEXT12LCALL NIG_PNEXT12:CJNE A, #3, K 。

34、Y1LCALL MID_PMOV S11, #0LJMP KEY_MAINKY1:JB S2, KY2ACALL T10MSDJB S2, KY2WAIT6:JNB S2, WAIT6INC S22MOV A, S22CJNE A, #1, NEXT13LCALL PA_DISLJMP KEY_DJNEXT13:CJNE A, #2, NEXT14CLR TR0LCALL HMS_DISLCALL KEY_SJNEXT14:CJNE A, #3, KY2MOV S22, #0LJMP KEY_MAINKY2:AJMP KEY_DJKEY_SJ:JB S1, KEY1ACALL T10MSDJB 。

35、 S1, KEY1WAIT7:JNB S1, WAIT7INC S11MOV A, S11CJNE A, #1,NEXT21LCALL HOU_TNEXT21:CJNE A, #2,NEXT22LCALL MIN_TNEXT22: CJNE A, #3,KEY1MOV S11, #0LJMP KEY_MAINKEY1: JB S2, KEY2ACALL T10MSDJB S2, KEY2WAIT8:JNB S2, WAIT8INC S22MOV A, S22CJNE A, #1, NEXT23LCALL PA_DISLJMP KEY_DJNEXT23:CJNE A, #2, NEXT24CLR 。

36、 TR0LCALL HMS_DISNEXT24:CJNE A, #3, KEY2MOV S22,#0LCALL KEY_SJLJMP KEY_MAINKEY2:AJMP KEY_SJDAY_P:SETB F0 LCALL T100MSDLCALL T100MSDMOV LEDDAY_PL, #0AHMOV LEDDAY_PH, #0AHLCALL PA_DIS1LCALL T100MSDLCALL T100MSDLCALL PA_DISLP1: JB S3, KEY11MOV A, #1ADD A, DAY_PRICEDA AMOV DAY_PRICE,AMOV A, DAY_PRICECJN 。

37、E A, #99H, KEY11MOV DAY_PRICE, #0KEY11: JB S4, KEY12LCALL T10MSDJB S4, KEY12MOV A,DAY_PRICEADD A, #99HDA AMOV DAY_PRICE,ACJNE A, #00H, KEY12MOV A, #99HKEY12: JB S1, KEY13ACALL T10MSDJB S1, KEY13WAIT11: JNB S1, WAIT11INC S11MOV A, S11CJNE A, #1,NEXT31LCALL DAY_PNEXT31:CJNE A, #2,NEXT32LCALL NIG_PNEXT 。

38、32:CJNE A, #3,NEXT33LCALL MID_PNEXT33:CJNE A, #4, KEY13MOV S11, #0KEY13:JB S2, KEY14LCALL T10MSDJB S2, KEY14WAIT12:JNB S2, WAIT12LJMP KEY_MAINKEY14:AJMP DAY_PNIG_P:SETB F0 ;
调用定时延时标志位LCALL T100MSDLCALL T100MSDMOV LEDNIG_PL, #0AHMOV LEDNIG_PH, #0AHLCALL PA_DIS1LCALL T100MSDLCALL T100MSDLCALL PA_DISJB。

39、S3, KEY21LCALL T10MSDJB S3, KEY21MOV A, #1ADD A, NIGHT_PRICEDA AMOV NIGHT_PRICE,ACJNE A, #99H,KEY21MOV NIGHT_PRICE,#0KEY21:JB S4, KEY22LCALL T10MSDJB S4, KEY22MOV A, NIGHT_PRICEADD A, #99HDA AMOV NIGHT_PRICE,ACJNE A, #00H, KEY22MOV NIGHT_PRICE,#99HKEY22:JB S1, KEY23ACALL T10MSDJB S1, KEY23WAIT15:JNB 。

40、 S1, WAIT15INC S11MOV A, S11CJNE A, #1,NEXT41LCALL DAY_PNEXT41:CJNE A, #2,NEXT42LCALL NIG_PNEXT42:CJNE A, #3,NEXT43LCALL MID_PNEXT43:CJNE A, #4, KEY23MOV S11, #0LJMP KEY_DJKEY23:JB S2, KEY24LCALL T10MSDJB S2, KEY24WAIT30:JNB S2, WAIT30LJMP KEY_MAINKEY24: AJMP NIG_PMID_P: SETB F0 ;

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标题：多功能|多功能出租车计价器毕业设计( 五 )