单片机课程设计 模拟时钟.docVIP

单片机课程设计 模拟时钟 实验内容：从键盘上输入时间初值用定时器产生0.1s定时中断对时钟计数器计数，并将数值定时送 数 显 管 显示。 三、流程 定时中断 四： 程序清单：  ORG 0030G CHK00:MOV SP,#60H LCALL LEDP MOV DPTR,#CLOCK MOV R0,DPL MOV R1,DPH MOV DPTR,#00BH MOV A,02H MOVX@DPTR,A INC DOTR MOV A,R0 MOVX @DPTR,R0 CHK0: LCALL LCK0 LCALL PTDS0 MOV TMOD,#01H ORL IE,#82H MOV TL0,#0B7H MOV THO,#3CH MOV 23H,#00H SETB TR0 LOO5: LACLL DIS LCALL PTRS0 SJMP LOO5 PTDS0:MOV R0,#79H MOV A,22H ACALL PTRDS MOV A,21H ACALL PTDS MOV A,20H ACALL PTDSREL PTDS: MOV R1,A ACALL PTDS1 MOV A,R1 SWAP A PTDS1:ANL A,@OFH MOV @R0,A INC R0 REL CLOCK:MOVTLO,#OB7H MOV TH0,#3CH PUSH PSW PUSH ACCSETB OD3H INC 23H MOV A,23H CJNE ,@0AH,DONE MOV 23H,#00H MOV A,22H INC A DA MOV 22H,A CJNE A,#60H,DONE MOV 22H ,00H MOV A,21H INC A DA A MOV 21H,A CJNE A,#60H,DONE MOV 21H,#00H MOV A,20H INC A DA A MOV 20H INC A DA A MOV 20H,A CJNE A,#24H.DONE MOV 20H,#00H DONE:POP ACC POP PSW RET1 ORG OD59H SSEE:SETB RS1 MOV R5,#05H SSE2:MOV 30H,#20H MOV 31H,#7EH MOV R7,#06H SSE1:MOV R1,#0DDH MOV A,30H MOVX@R1,A MOV R0,31H MOV A,@R0 MOV DPTR,#DDFF MOVCA,@A+DPTR MOV R1,#0DCH MOVX@R1,A MOV A,30H RR A MOV 30H,A DEC 31H MOV A ,#0FFH MOVX#R1,A DJNZ R7,SSE1 DJNZ R5,SSE2 CLR RS1 RET DDFF: DB 0C0H,0F9H,0A4H,0B0H,99H,92H,82H,0F8H,80H,90H DB 88H,83H,0C6H,0AIH,86H,8EH,0FFH,0CH,89H,0DEH ORG 038EH X3: MOV R4,A MOV R0,#5H MOV A,@R0 MOV R1,A MOV A,R4 MOV @R1,A CLR A POP DPH POP DPL MOVCA,@A+DPTR INC DPTR CJNE A,01H,X30 dec r1 clr a MOVC A,@A+DPTR X31: MOV @R0,A INC DRTR PUSH DPL PUSH DPH RE1 X30: DEC R1 MOV A,R1 SJMP X31 X2: MOV R6,#50H X0: ACALL XLE JNB ACC.5,XX0 DJNZ R6 ,X0 MOV R6,#20H MOV R0,#50H MOV A,@R0 MOV R7,A MOV A,@R0 MOV R7,A MOV A,#10H MOV @R0,A X1: ACALL XLE JNB ACC.5XXL DJNZ R6,X1 MOV A,R7 MOV A, R7 MOV @R0,A SJMB XX1:MOV R6,A MOV A,R7 MOV @RO,A MOV A,R6 XX0:RET XLE:ACALL DIS ACALL KEY MOV R4,A MOV R1,#48H MOV A ,@R1 MOV R2,A INC R1 MOV A,@R1 MOV R2,A INC R1 MOV A,@R1 MOV R3,04H MOV R4,02H JZ X10 MOV R2,#88H MOV R4,#88H X10:DEC R4 MOV A,#8