《单片机时钟程序》word版.docx

;Keilsuvison编译软件：ORG 0000HJMP MAINORG 000BHJMP TIMERORG 0030HMAIN:MOV SP,#57HMOV A,#00HMOV 40H,AMOV 41H,AMOV 42H,AMOV R0,AMOV R1,AMOV R2,AMOV R3,AMOV R4,AMOV R5,AMOV R6,AMOV 44H,#60MOV 45H,#60MOV 46H,#24MOV TMOD,#01HMOV TL0,#0B0HMOV TH0,#3CHSETB ET0SETB EASETB TR0JMP $TIMER:PUSH ACCPUSH PSWMOV TL0,#0B0HMOV TH0,#3CHINC R0MOV A,R0CJNE A,#20,RETURNMOV R0,#00HMOV A,40HDA AMOV 40H,AINC 40HCLR ACMOV A,40HDA AMOV R1,ADJNZ 44H,RETURNMOV 40H,#00HCLR ACMOV A,40HDA AMOV R1,AMOV 44H,#60MOV A,41HCLR ACDA AMOV 41H,AINC 41HCLR ACMOV A,41HDA AMOV R2,ADJNZ 45H,RETURNMOV 41H,#00HCLR ACMOV A,41HDA AMOV R1,AMOV 45H,#60MOV A,42HCLR ACDA AMOV 42H,AINC 42HCLR ACMOV A,42HDA AMOV R3,ADJNZ 46H,RETURNMOV 46H,#24MOV 42H,#00HCLR ACMOV A,42HDA AMOV R1,ARETURN:MOV DPTR,#TABLEMOV A,R1ANL A,#0X0FMOVC A,A+DPTRMOV P2,#0X01MOV P0,ACALL DELAYMOV A,R1SWAP AANL A,#0X0FMOVC A,A+DPTRMOV P2,#0X02MOV P0,ACALL DELAYMOV P2,#0X04MOV P0,#0X37CALL DELAYMOV A,R2ANL A,#0X0FMOVC A,A+DPTRMOV P2,#0X08MOV P0,ACALL DELAYMOV A,R2SWAP AANL A,#0X0FMOVC A,A+DPTRMOV P2,#0X10MOV P0,ACALL DELAYMOV P2,#0X20MOV P0,#0X37CALL DELAYMOV A,R3ANL A,#0X0FMOVC A,A+DPTRMOV P2,#0X40MOV P0,ACALL DELAYMOV A,R3SWAP AANL A,#0X0FMOVC A,A+DPTRMOV P2,#0X80MOV P0,ACALL DELAYPOP PSWPOP ACCRETIDELAY:MOV R5,#5MOV R6,#100DJNZ R6,$D