【正文】 MOV P1,9EHHHF1:ACALL DISP1 MOV A,2BH CJNE A,0,HHF1 MOV 2AH,24H MOV P1,0AEHHHF2:ACALL DISP2 MOV A,2AH CJNE A,0,HHF2 MOV 28H,22H MOV 29H,23H MOV P1,0B3HHHF3:ACALL DISP3 MOV A,28H CJNE A,0,HHF3 MOV 27H,21H MOV P1,0B5HHHF4:ACALL DISP4 MOV A,27H CJNE A,0,HHF4 LJMP HHF0DISP1:MOV A,2BH MOV B,10 DIV AB MOV 30H,B MOV 31H,A MOV A,26H MOV B,10 DIV AB MOV 32H,B MOV 33H,A ACALL DISP RETDISP2:MOV A,2AH MOV B,10 DIV AB MOV 30H,B MOV 31H,A MOV A,26H MOV B,10 DIV AB MOV 32H,B MOV 33H,A ACALL DISP RETDISP3:MOV A,29H MOV B,10 DIV AB MOV 30H,B MOV 31H,A MOV A,28H MOV B,10 DIV AB MOV 32H,B MOV 33H,A ACALL DISP RETDISP4:MOV A,29H MOV B,10 DIV AB MOV 30H,B MOV 31H,A MOV A,27H MOV B,10 DIV AB MOV 32H,B MOV 33H,A ACALL DISP RETDISP5:MOV 2BH,21H MOV 26H,20H ACALL DISP1 RETDISP6:MOV 2AH,24H MOV 26H,23H ACALL DISP2 RETDISP:MOV R2,4 MOV R0,30H MOV R3,08HHHF5:MOV A,R3 MOV P2,A MOV DPTR,TABLE MOV A,R0 MOVC A,A+DPTR MOV P0,A ACALL DELAY MOV A,R3 RR A MOV R3,A INC R0 DJNZ R2,HHF5 RETTABLE:DB 3FH,06H,5BH,4FH,66H DB 6DH,7DH,07H,7FH,6FHDELAY:MOV R4,2FHHHF32:MOV R5,0AH HHF6:DJNZ R5,HHF6 DJNZ R4,HHF32 RETTIME1:PUSH ACC PUSH PSW INC 2DH INC 2EHHHF33:JB ,HHF15HHF16:JNB ,HHF16 INC 2DHHHF15:JB ,HHF17HHF18:JNB ,HHF18 INC 2EHHHF17:MOV A,2DH CJNE A,1,HHF19HHF23:ACALL DISP5 JB ,HHF20HHF21:JNB ,HHF21 MOV A,2EH CJNE A,1,HHF22 INC 20H SJMP HHF23HHF22:MOV 2EH,00H INC 21H SJMP HHF23HHF20:JB ,HHF24HHF25:JNB ,HHF25 MOV A,2EH CJNE A,1,HHF26 DEC 20H SJMP HHF23HHF26:MOV 2EH,00H DEC 21H SJMP HHF23HHF19:MOV 2DH,00H ACALL DISP6 JB ,HHF27HHF28:JNB ,HHF28 MOV A,2EH CJNE A,1,HHF29 INC 23H SJMP HHF19HHF29:MOV 2EH,00H INC 24H SJMP HHF19HHF27:JB ,HHF24HHF30:JNB ,HHF30 MOV A,2EH CJNE A,1,HHF31 DEC 23H SJMP HHF19HHF31:MOV 2EH,00H DEC 24H SJMP HHF19HHF24:JB ,HHF33HHF34:JNB ,HHF34 CLR C MOV A,20H S