人机交换接口

ORG 0000H LJMP START ORG 0003H RETI ORG 000BH LJMP INTT0 ORG 0013H RETI ORG 001BH LJMP INTT1 ORG 0023H RETI ORG 002BH RETI START: MOV R0, #70H MOV R7, #0BH MOV 20H, #00H CLEARDISP: MOV @R0, #00H INC R0 DJNZ R7,CLEARDISP MOV 7AH,#0AH MOV TMOD,#11H MOV TL0, #0B0H MOV TH0, #3CH MOV TL1, #0B0H MOV TH1, #3CH SETB EA SETB ET0 SETB TR0 MOV R4,#14H START1: LCALL DISPLAY JNB P3.2,SETMM1 SJMP START1 SETMM1: LJMP SETMM INTT0: PUSH ACC PUSH PSW CLR ET0 CLR TR0 MOV A,#0B7H ADD A,TL0 MOV TL0,A MOV A,#3CH ADD A,TH0 MOV TH0,A SETB TR0 DJNZ R4, OUTT0 ADDSS: MOV R4,#14H MOV R0,#71H ACALL ADD1 MOV A,R3 CLR C CJNE A,#60H,ADDMM ADDMM: JC OUTT0 ACALL CLR0 MOV R0,#77H ACALL ADD1 MOV A,R3 CLR C CJNE A,#60H,ADDHH ADDHH: JC OUTT0 ACALL CLR0 MOV R0,#79H ACALL ADD1 MOV A,R3 CLR C CJNE A,#24H,HOUR HOUR: JC OUTT0 ACALL CLR0 OUTT0: MOV 72H,76H MOV 73H,77H MOV 74H,78H MOV 75H,79H POP PSW POP ACC SETB ET0 RETI INTT1: PUSH ACC PUSH PSW MOV TL1, #0B0H MOV TH1, #3CH DJNZ R2,INTT1OUT MOV R2,#06H CPL 02H JB 02H,FLASH1 MOV 72H,76H MOV 73H,77H MOV 74H,78H MOV 75H,79H INTT1OUT: POP PSW POP ACC RETI FLASH1: JB 01H,FLASH2 MOV 72H,7AH MOV 73H,7AH MOV 74H,78H MOV 75H,79H AJMP INTT1OUT FLASH2: MOV 72H,76H MOV 73H,77H MOV 74H,7AH MOV 75H,7AH AJMP INTT1OUT ADD1: MOV A,@R0 DEC R0 SWAP A ORL A,@R0 ADD A,#01H DA A MOV R3,A ANL A,#0FH MOV @R0,A MOV A,R3 INC R0 SWAP A ANL A,#0FH MOV @R0,A RET CLR0: CLR A MOV @R0,A DEC R0 MOV @R0,A RET SETMM: CLR ET0 CLR TR0 LCALL DL1S JB P3.2,CLOSEDIS MOV R2,#06H SETB ET1 SETB TR1 SET2: JNB P3.2,SET1 SETB 00H SET4: JB P3.2,SET3 LCALL DL05S JNB P3.2,SETHH MOV R0,#77H LCALL ADD1 MOV A,R3 CLR C CJNE A,#60H,HHH HHH: JC SET4 LCALL CLR0 CLR C AJMP SET4 CLOSEDIS: SETB ET0 SETB TR0 CLOSE: JB P3.2,CLOSE LCALL DISPLAY JB P3.2,CLOSE WAITH: JNB P3.2,WAITH LJMP START1 SETHH: CLR 00H SETHH1: JNB P3.2,SET5 SETB 01H SET6: JB P3.2,SET7 LCALL DL05S JNB P3.2,SETOUT MOV R0,#79H LCALL ADD1 MOV A,R3 CLR C CJNE A,#24H,HOUU HOUU: JC SET6 LCALL CLR0 AJMP SET6 SETOUT: JNB P3.2,SETOUT1 LCALL DISPLAY JNB P3.2,SETOUT CLR 01H CLR 00H CLR 02H CLR TR1 CLR ET1 SETB TR0 SETB ET0 LJMP START1 SET1: LCALL DISPLAY AJMP SET2 SET3: LCALL DISPLAY AJMP SET4 SET5: LCALL DISPLAY AJMP SETHH1 SET7: LCALL DISPLAY AJMP SET6 SETOUT1: LCALL DISPLAY AJMP SETOUT DISPLAY: MOV R1,#70H MOV R5,#0BFH PLAY: MOV A,R5 MOV P2,A MOV A,@R1 MOV DPTR,#TAB MOVC A,@A+DPTR MOV P0,A LCALL DL1MS INC R1 MOV A,R5 JNB ACC.1,ENDOUT RR A MOV R5,A AJMP PLAY ENDOUT: SETB P2.1 MOV P0,#0FFH RET TAB: DB 28H,7EHH,0A2H,62H,74H,61H,21H,7AH,20H,60H DL1MS: MOV R6,#14H DL1: MOV R7,#19H DL2: DJNZ R7,DL2 DJNZ R6,DL1 RET DS20MS: ACALL DISPLAY ACALL DISPLAY ACALL DISPLAY RET DL1S: LCALL DL05S LCALL DL05S RET DL05S: MOV R3,#20H DL05S1: LCALL DISPLAY DJNZ R3,DL05S1 RET END