【正文】 V TL2,0ECHMOV RCAP2H,0FFHMOV RCAP2L,0ECHMOV SCON,50HMOV PCON,00HORL T2CON,04HMOV TMOD,00000001B ；定時器0初始化MOV TH0,00HMOV TL0,00HMOV IE,10000010B ；開中斷clr TR0MOV 43H,10MOV 44H,10MOV 45H,0MOV 46H,0MOV 47H,0WAIT: mov r2,2fhlpp: lcall DEALYYLCAll KEY_DEALDJNZ R2,lpplcall adc0804mov a,p0mov adc_read,aLCALL ADC_TEMPmov a,adc_BCDmov b,100div abmov a,bmov b,10div abmov 41h,a mov 42h,b lcall disp jb tr0,lp2 lcall t_control lcall alarmlp2: mov a,adc_bcd MOV SBUF,A jnb ti,$ clr ti lJMP WAITt_control: mov r1,45h cjne r1,00,t4 mov a,00h ljmp t5t4: mov a,00h mov b,100t3: add a,b djnz r1,t3t5: push acc mov a,46h mov b,10 mul ab mov r1,a pop acc add a,r1 add a,47h cjne a,adc_bcd,$+1 jc t1 clr out_si rett1: setb out_si retalarm: mov a,adc_bcd cjne a,80,$+1 jc t2 clr led_alarm rett2: setb led_alarm retINTT0: CLR EA PUSH ACC PUSH PSW SETB RS0 CLR RS1 INC DISP_flash MOV A,DISP_flash CJNE A,03H,$+1 JC INT0_RET MOV DISP_flash,00H cpl flashINT0_RET: MOV TH0,00H MOV TL0,00H POP PSW POP ACC SETB EA RETIADC_TEMP: MOV A,ADC_READ push acc mov b,05 div ab mov b,a pop acc add a,b mov adc_bcd,a retadc0804: mov dptr,0feffh clr MOVX @DPTR,a setb LCALL DEALY clr MOVX a,@DPTR mov adc_read,a setb retDEALY: MOV R7,0AHDEALY1: MOV R6,0FFHDEALY2: DJNZ R6,DEALY2 DJNZ R7,DEALY1 RETDISP: jnb flash,l1 setb flash1 mov a,flash_bit add a,40h push acc mov r1,a mov a,@r1 push acc mov @r1,10L1: MOV DPTR,PTMB MOV R0,40H MOV R6,08Hl4: MOV A,@R0 MOVC A,@A+DPTR MOV R7,08HL2: CLR NOP RLC A MOV ,C SETB DJNZ R7,L2 INC R0 DJNZ R6,L4 jnb flash1,l3 pop acc mov r2,a pop acc mov r1,a mov a,r2 mov @r1,a clr flash1l3: RETDEALYY: MOV R7,0AHDEALY11: MOV R6,0FFHDEALY22: DJNZ R6,DEALY22 DJNZ R7,DEALY11 RETKEY_DEAL: MOV A,P1 CPL A ANL A,3FH JNZ KEY1KEY0: CLR KEY_TOUCHKEY2: RETKEY1: JB KEY_TOUCH,KEY2 LCALL DEALYY MOV A,P1 SETB KEY_TOUCH JNB ,SK1 JNB ,SK2 JNB ,SK3 JNB ,SK4 JNB ,SK5 JNB ,SK6 LJMP KEY0SK1: setb tr0 mov flash_bit,07h RETSK2: dec flash_bit mov a,flash_bit cjne a,05h,$+1 jc pp4 ljmp pp5pp4: mov flash_bit,07hpp5: RETSK3: mov a,flash_bit add a,40h mov r0,a inc @r0 mov a,@r0 cjne a,0ah,pp2 mov @r0,00hpp2: RETSK4: mov a,flash_bit add a,40h mov r0,a dec @r0 mov a,@r0 cjne a,0ffh,pp3 mov @r0,09hpp3: RETSK5: clr tr0 clr flash mov flash_bit,0ffh RETSK6: RETPTMB:DB 0C0H,0CFH,0A4H,0B0H,99H,92H DB 82H,0F8H,80H,90H,0ffhend42