基于單片機(jī)at89c51的乒乓球程序課程設(shè)計(jì)報(bào)告(參考版)
2025-06-30 23:02本頁(yè)面
【正文】 **************鬧鐘設(shè)置顯示****************DXS: MOV XT_D,0FFH MOV A,XT RL A MOV XT,A CJNE XT,0FEH,Y1 MOV A,DH MOV B,10 DIV AB MOV SJ,A LCALL XS_SJ MOV XT_D,XT SJMP Y4Y1: CJNE XT,0FDH,Y2 MOV A,DH MOV B,10 DIV AB MOV SJ,B LCALL XS_SJ MOV XT_D,XT SJMP Y4Y2: CJNE XT,0FBH,Y3 MOV A,DF MOV B,10 DIV AB MOV SJ,A LCALL XS_SJ MOV XT_D,XT SJMP Y4Y3: CJNE XT,0F7H,Y4 MOV A,DF MOV B,10 DIV AB MOV SJ,B LCALL XS_SJ MOV XT_D,XT MOV XT,7FHY4: RET。************定時(shí)按鍵操作***********DCZ: CJNE DQZ,1,S5 INC DF SJMP FHRS5: CJNE DQZ,2,S6 CJNE DF,0,LLA MOV DF,60LLA: DEC DF SJMP FHRS6: CJNE DQZ,3,S7 INC DH SJMP FHRS7: CJNE DQZ,4,FHR CJNE DH,0,PL3 MOV DH,24PL3: DEC DHFHR: RET。***********按鍵掃描*************8AJ_SM: MOV ZAQZ,ZQZ MOV ZQZ,DQZ LCALL DM MOV A,DQZ JZ KSR CJNE A,ZQZ,KS2 CJNE ZAQZ,0,KS SJMP KS1KS: INC LJ CJNE LJ,200,KSRKS1: JNB NZ,KKS LCALL DCZ SJMP KS2KKS: LCALL CZKS2: MOV LJ,0KSR: RETDM: MOV A,AN ORL A,0E0H CPL A JZ RK1 JB K0,RK2 MOV DQZ,1 SJMP RKRRK1: MOV DQZ,0 SJMP RKRRK2: JB K1,RK3 MOV DQZ,2RK3: JB K2,RK4 MOV DQZ,3RK4: JB K3,RKR MOV DQZ,4RKR: RET。**************判斷時(shí)分秒鐘********PD: MOV A,SZ CJNE A,6000,L1 MOV SZ,0 INC FZL1: CJNE FZ,60,L2 MOV FZ,0 INC HZL2: CJNE HZ,24,FH1 MOV HZ,0FH1: RET。************T0中斷**************** T0ZD: MOV TH0,3CH MOV TL0,0B0H INC SZ CPL ZS SETB ZDBS RETI 。**************主程序*********************MAIN: LCALL CSHA1: CJNE FZ,00,SS CLR ZDBSSS: JB K4,SS1 JNB K4,$ CPL NZSS1: SJMP A1。按鈕4，時(shí)鐘減 K4 BIT 。按鈕2，分鐘減 K2 BIT 。秒針指示 K0 BIT 。按鍵 XT_D EQU P3。鬧鐘標(biāo)志及指示 ZDBS BIT 。連擊累加 XT EQU R5。之前值 ZAQZ EQU R3。數(shù)碼管顯示端口 DQZ EQU R0。定時(shí)分鐘 SJ EQU 21H。時(shí)鐘 DH EQU R6。計(jì)時(shí)計(jì)數(shù) FZ EQU R2。 單片機(jī)應(yīng)用技術(shù)教程楊美仙. 單片機(jī)的發(fā)展及其應(yīng)用[J]. 科技信息(學(xué)術(shù)研
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