【正文】 XTPS_2:MOV A, TIMERSSUBB A, 02HCLR CJNZ PS_3MOV PS2, BUFFAJMP NEXTPS_3:MOV A, TIMERSCLR CSUBB A, 03HJNZ PS_4MOV PS3, BUFFAJMP NEXTPS_4:MOV A, TIMERSCLR CSUBB A, 04JNZ PS_5MOV PS4, BUFFAJMP NEXTPS_5:MOV A, TIMERSCLR CSUBB A, 05JNZ PS_6MOV PS5, BUFFAJMP NEXTPS_6:MOV A, TIMERSCLR CSUBB A, 06HJNZ CH_KEYMOV PS6, BUFFNEXT:LCALL XSCMOV R7, TIMERS 。CJNE R7, 06H ,FULLFULL:JC NEXT9SETB BUF_FULLMOV TIMERS,06HCLR L3NOPCLR LCALL T100MSDSETB NOPAJMP CH_KEYNEXT9:CLR 。CLR L3LCALL T100MSD 。*****功能按鍵比較并且跳轉(zhuǎn)*******KEY_FUN:CLR FLAG1CLR CMOV A, BUFFSUBB A, 03H 。按鍵EN跳轉(zhuǎn)SUBB A, 00HJNZ F1_CAJMP ENF1_C:CLR CMOV A, BUFFSUBB A, 1BHJNZ F2_CAJMP FU1F2_C:CLR CMOV A, BUFFSUBB A, 1AHJNZ F3_CAJMP FU2F3_C:CLR CMOV A, BUFFSUBB A, 19HJNZ F4_CAJMP FU3F4_C:CLR CMOV A, BUFFSUBB A, 18HJZ FU4EXIT8:NOPLJMP CH_KEY。消密碼緩沖MOV TIMERS,00HLCALL INITPS 。關(guān)閉顯示CLR FLAG1AJMP CH_KEYFU1:NOPLCALL XSCJB F_F1, NEXT_F1CLR L1LCALL BPSETB F_F1AJMP CH_KEYNEXT_F1:SETB L1LCALL BPCLR F_F1。查看現(xiàn)在的狀態(tài)以防誤按。報(bào)警限制暫時(shí)不開。 ********按鍵的功能描述*******EN:NOPJB BUF_FULL, GOONAJMP EXITGOON:CLR BUF_FULLJB F_CHANGE, AT_WRON 。LCALL AT_RADELCALL C_PSW 。密碼比較正確，則調(diào)用開鎖子程序LCALL XSDINC TIMERS2MOV R7,TIMERS2 。錯(cuò)誤次數(shù)小3次LCALL XSE 。報(bào)警LCALL XSAEXIT:LCALL INITPSMOV BUFF, 00HCLR FLAG1MOV TIMERS, 00HAJMP CH_KEY 。輸入回車的次數(shù)MOV TIMERS2,00HSETB L3CLR PSW_FLCALL XSBCLR JDQ 。 ******各類子程序****************。 **初始化顯示緩沖區(qū)以及其他緩沖區(qū)*INITPS:PUSH ACCPUSH PSWMOV R7, 06HMOV R1, PS1MOV A, 00HINIT_PS:MOV R1, ADEC R1DJNZ R7, INIT_PSPOP PSWPOP ACCNOPRET INITAT:PUSH ACCPUSH PSWMOV R7,06HMOV R1,AT1MOV A, 00HINIT_AT:MOV R1, ADEC R1DJNZ R7, INIT_ATMOV TIMERS,00H 。POP PSWPOP ACCRET。識(shí)別按鍵子程序,數(shù)據(jù)送A保存MOV R4, 00HLK4:MOV A, R2MOV P0, ANOPMOV A, P0JB ,LONEMOV A, 00HAJMP LKPLONE:JB ,LTWOMOV A, 08HAJMP LKPLTWO:JB ,LTHRMOV A, 10HAJMP LKPLTHR:JB ,NEXTT 。判斷是數(shù)字按鍵還是功能按鍵,為1表示功能鍵CJNE A, 17H, KYKY:JC SET_CH 。假若是功能按鍵則標(biāo)志置為1AJMP CHKE_ENDSET_CH:CLR CMOV A, BUFFSUBB A, 00HJNZ EN_CHSETB FLAG1AJMP CH_ENDEN_CH:MOV A, BUFFSUBB A, 03HJNZ DIGSETB FLAG1AJMP CH_ENDDIG:CLR FLAG1CH_END:NOPCHKE_END:RETT12MS:MOV R7, 18HTM1:MOV R6, 0FFHTM66:DJNZ R6, TM66DJNZ R7, TM1RET。 ******* 鎖定，鳴笛子程序*********LOCK_1M:MOV R4,3CH 。調(diào)用20次BP,報(bào)警2sWARN:LCALL BPDJNZ R5,WARNNOPPOP ACCPOP PSWNOPRETBP:CLR SPK 。***** 顯示子程序 ********。XSA:PUSH ACCPUSH PSWMOV A, TIMERS1MOV DPTR, TABMOVC A, A+DPTRMOV SBUF, A 。送短線JNB TI, $CLR TIMOV SBUF, 0FEH 。送FMOV SBUF, 78HJNB TI, $CLR TIMOV SBUF, 78HJNB TI, $CLR TIMOV SBUF, 11HJNB TI, $CLR TIPOP PSWPOP ACCRET。密碼輸入及修改狀態(tài)XSC:PUSH ACCPUSH PSWLCALL KILLXSSETB RS1 。防止操作數(shù)讀取錯(cuò)誤。密碼輸入錯(cuò)誤的提示XSD:PUSH ACCPUSH PSWMOV SBUF, 98HJNB TI, $CLR TIMOV SBUF, 79HJNB TI, $CLR TIMOV SBUF, 11HJNB TI, $CLR TIMOV SBUF, 79HJNB TI, $CLR TIMOV SBUF, 79HJNB TI, $CLR TIMOV SBUF, 38HJNB TI, $CLR TIPOP PSWPOP ACCRET。******* 24C02讀寫程序******AT_RADE:PUSH PSWPUSH ACCMOV R0,AT1 。8字節(jié)MOV R5,08H 。24C02首地址LCALL READ 。CPU RAM首地址MOV R6,06H 。8 BITMOV R7,00H 。先寫進(jìn)NOPNOPPOP ACCPOP PSWRET。R6:讀的字節(jié)數(shù)，R7:讀的起始地址READ: NOPNOPLCALL START0MOV A,0A0HLCALL WRBLCALL ACKJB F0,RD_FAILMOV A,R7LCALL WRBLCALL CHKJB F0,RD_FAILLCALL START0MOV A,0A1HLCALL WRBLCALL CHKJB F0,RD_FAILRD_N: NOPNOPLCALL RDBMOV R0,ADJNZ R6,GO_ACKLCALL N_ACKRD_FAIL:NOPLCALL STOPMOV A,0FFHRET。寫串行器件 R0:RAM的起始地址,R5:位計(jì)數(shù)器,。START0: NOPNOPSETB SDASETB SCLNOPNOPCLR SDANOPNOPCLR SCLNOPRETSTOP: NONOPCLR SDASETB SCLNOPNOPSETB SDANOPNOPCLR SCLNOPRETACK: NOPNOPCLR SDASETB SCLNOPNOPCLR SCLSETB SDANOPRETN_ACK: NOPNOPSETB SDASETB SCLNOPNOPCLR SCLCLR SDANOPRETCHK: NOPNOPSETB SDANOPNOPSETB SCLNOPNOPMOV C,SDAMOV F0,CCLR SCLNOPNOPRETRDB: NOPNOPSETB SDAMOV R5,8RD_B: NOPNOPCLR SCLNOPNOPSETB SCLNOPNOPMOV C,SDARLC ANOPNOPSETB SDACLR SCLDJNZ R5,RD_BNOPRET。WRB: NOPNOPMOV R5,8WR_B: NOPSETB SDAJC WR_1CLR SDANOPWR_1: SETB SCLNOPNOPCLR SCLNOPCLR SDANOPDJNZ R5,WR_BNOPRE