【正文】 頁 MOV 33H,A ACALL DISP RET DISP4: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 RET DISP5:MOV 2BH,21H MOV 26H,20H ACALL DISP1 RET DISP6:MOV 2AH,24H MOV 26H,23H ACALL DISP2 RET DISP:MOV R2,4 MOV R0,30H MOV R3,08H HHF5: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 RET TABLE:DB 3FH,06H,5BH,4FH,66H DB 6DH,7DH,07H,7FH,6FH DELAY:MOV R4,2FH HHF32:MOV R5,0AH HHF6:DJNZ R5,HHF6 DJNZ R4,HHF32 RET TIME1:PUSH ACC PUSH PSW INC 2DH INC 2EH HHF33:JB ,HHF15 第 21 頁 HHF16:JNB ,HHF16 INC 2DH HHF15:JB ,HHF17 HHF18:JNB ,HHF18 INC 2EH HHF17:MOV A,2DH CJNE A,1,HHF19 HHF23:ACALL DISP5 JB ,HHF20 HHF21:JNB ,HHF21 MOV A,2EH CJNE A,1,HHF22 INC 20H SJMP HHF23 HHF22:MOV 2EH,00H INC 21H SJMP HHF23 HHF20:JB ,HHF24 HHF25:JNB ,HHF25 MOV A,2EH CJNE A,1,HHF26 DEC 20H SJMP HHF23 HHF26:MOV 2EH,00H DEC 21H SJMP HHF23 HHF19:MOV 2DH,00H ACALL DISP6 JB ,HHF27 HHF28:JNB ,HHF28 MOV A,2EH CJNE A,1,HHF29 INC 23H SJMP HHF19 HHF29:MOV 2EH,00H INC 24H SJMP HHF19 HHF27:JB ,HHF24 HHF30:JNB ,HHF30 MOV A,2EH CJNE A,1,HHF31 DEC 23H SJMP HHF19 HHF31:MOV 2EH,00H DEC 24H SJMP HHF19 HHF24:JB ,HHF33 HHF34:JNB ,HHF34 CLR C MOV A,20H SUBB A,24H MOV 25H,A CLR C 第 22 頁 MOV A,23H SUBB A,21H MOV 22H,A MOV 26H,20H MOV 27H,21H MOV 28H,22H MOV 29H,23H MOV 2AH,24H MOV 2BH,25H MOV 2DH,00H MOV 2EH,00H POP PSW POP ACC RETI TIME2:PUSH ACC PUSH PSW MOV TH0,3CH MOV TL0,0B0H DJNZ R7,HHF7 MOV R7,20 DEC 26H DEC 27H DEC 28H DEC 29H DEC 2AH DEC 2BH HHF7:POP PSW POP ACC RETI TSH:PUSH ACC PUSH PSW MOV P2,00H HHF14:INC 2CH MOV A,2CH CJNE A,1,HHF8 MOV P1,0B3H SJMP HHF11 HHF8:CJNE A,2,HHF9 MOV P1,0B6H SJMP HHF11 HHF9:CJNE A,3,HHF10 MOV P1,9BH HHF10:MOV 2CH,00H HHF11:JNB ,HHF13 SJMP HHF12 HHF13:JB ,HHF14 SJMP HHF13 HHF12:JB ,HHF11 HHF35:JNB ,HHF35 MOV 2CH,00H POP PSW POP ACC RETI END ORG 0000H LJMP MAIN 第 23 頁 ORG 0003H LJMP TIME1 ORG 000BH LJMP TIME2 ORG 0013H LJMP TSH ORG 0030H MAIN:MOV SP,40H MOV P2,00H MOV P1,0FFH MOV 20H,08H MOV 21H,02H MOV 22H,00H MOV 23H,12H MOV 24H,02H MOV 25H,00H CLR C MOV A,20H SUBB A,24H MOV 25H,A CLR C MOV A,23H SUBB A,21H MOV 22H,A MOV 26H,00H MOV 27H,00H MOV 28H,00H MOV 29H,00H MOV 2AH,00H MOV 2BH,00H MOV 2CH,00H MOV 2DH,00H MOV 2EH,00H MOV 30H,00H MOV 31H,00H MOV 32H,00H MOV 33H,00H MOV TCON,00H MOV IE,87H MOV TMOD,01H MOV TH0,3CH MOV TL0,0B0H MOV R7,20 SETB TR0 HHF0:MOV 26H,20H MOV 2BH,25H MOV P1,9EH HHF1:ACALL DISP1 MOV A,2BH CJNE A,0,HHF1 MOV 2AH,24H 第 24 頁 MOV P1,0AEH HHF2:ACALL DISP2 MOV A,2AH CJNE A,0,HHF2 MOV 28H,22H MOV 29H,23H MOV