单片机设计一个交通灯控制系统，红灯和绿灯停留60秒,黄停灯留5秒,哪里有问题，求帮助 -

ORG 0000H
LJMP START
ORG 0003H
LJMP INT_0
ORG 000BH
LJMP T_0
ORG 001BH
LJMP T_1
ORG 0100H
START: MOV SP, #30H
MOV 40H, #30
MOV 41H, #20
MOV 42H, #25
MOV 43H, #25
MOV TMOD, #11H
MOV TH0, #3CH
MOV TL0, #0B0H
MOV TH1, #3CH
MOV TL1, #0B0H
MOV 60H, #20
MOV 61H, #60
MOV 62H, #10
MOV 63H,#2
CLR 4EH
CLR 4FH
CLR 4DH
SETB EA
SETB EX0
SETB ET0
SETB ET1
SETB PT1
SETB TR0
DISPLAY1:MOV P1, #0EEH ;
MOV R3, 40H
MOV R4, 43H
LOOP1: MOV A, R3
MOV B, #0AH
DIV AB
MOV DPTR,#TAB
MOVC A,@A+DPTR
MOV P2,#0FEH
MOV P0,A
LCALL DELAY;
MOV A, B
MOVC A,@A+DPTR
MOV P2,#0FDH
MOV P0,A
LCALL DELAY
MOV A, R4
MOV B, #0AH
DIV AB
MOV DPTR,#TAB
MOVC A,@A+DPTR
MOV P2,#0FBH
MOV P0,A
LCALL DELAY
MOV A, B
MOVC A,@A+DPTR
MOV P2,#0F7H
MOV P0,A
LCALL DELAY
JNB 4FH,LOOP1
CLR 4FH
DEC R3
DEC R4
CJNE R4,#0FFH,LOOP1
kkk1: MOV P1, #0DEH;
LOOP2: MOV A, R3
MOV B, #0AH
DIV AB
MOV DPTR,#TAB
MOVC A,@A+DPTR
MOV P2,#0FEH
MOV P0,A
LCALL DELAY
MOV P2, #0FBH
MOV P0, A
LCALL DELAY
MOV A, B
MOVC A,@A+DPTR
MOV P2,#0FDH
MOV P0,A
LCALL DELAY
MOV P2, #0F7H
MOV P0, A
LCALL DELAY
JNB 4DH,LOOP2
CLR 4DH
DJNZ 63H,Kkk2
MOV 63H,#2
DEC R3
CJNE R3,#0FFH,Kkk2
LJMP A1
Kkk2:MOV P1,#0FEH;
A2:MOV A, R3
MOV B, #0AH
DIV AB
MOV DPTR,#TAB
MOVC A,@A+DPTR
MOV P2,#0FEH
MOV P0,A
LCALL DELAY
MOV P2, #0FBH
MOV P0, A
LCALL DELAY
MOV A, B
MOVC A,@A+DPTR
MOV P2,#0FDH
MOV P0,A
LCALL DELAY
MOV P2, #0F7H
MOV P0, A
LCALL DELAY
JNB 4DH,A2
CLR 4DH
DJNZ 63H,kkk1
MOV 63H,#2
DEC R3
CJNE R3,#0FFH,Kkk1
A1:MOV P1, #0F5H ;
DISPLAY2:MOV R3, 41H ;
MOV R4, 42H
LOOP3: MOV A, R3
MOV B, #0AH
DIV AB
MOV DPTR,#TAB
MOVC A,@A+DPTR
MOV P2,#0FEH
MOV P0,A
LCALL DELAY
MOV A, B
MOVC A,@A+DPTR
MOV P2,#0FDH
MOV P0,A
LCALL DELAY
MOV A, R4
MOV B, #0AH
DIV AB
MOV DPTR,#TAB
MOVC A,@A+DPTR
MOV P2,#0FBH
MOV P0,A
LCALL DELAY
MOV A, B
MOVC A,@A+DPTR
MOV P2,#0F7H
MOV P0,A
LCALL DELAY
JNB 4FH,LOOP3
CLR 4FH
DEC R3
DEC R4
CJNE R3,#0FFH,LOOP3
KKK5:MOV P1, #0F3H
LOOP4: MOV A, R4 ;
MOV B, #0AH
DIV AB
MOV DPTR,#TAB
MOVC A,@A+DPTR
MOV P2,#0FEH
MOV P0,A
LCALL DELAY
MOV P2, #0FBH
MOV P0, A
LCALL DELAY
MOV A, B
MOVC A,@A+DPTR
MOV P2,#0FDH
MOV P0,A
LCALL DELAY
MOV P2, #0F7H
MOV P0, A
LCALL DELAY
JNB 4DH,LOOP4
CLR 4DH
DJNZ 63H,KKK5
MOV 63H,#2
DEC R4
CJNE R4,#0FFH,A7
LJMP DISPLAY1
A7:MOV P1, #0F7H;
A8: MOV A, R4
MOV B, #0AH
DIV AB
MOV DPTR,#TAB
MOVC A,@A+DPTR
MOV P2,#0FEH
MOV P0,A
LCALL DELAY
MOV P2, #0FBH
MOV P0, A
LCALL DELAY
MOV A, B
MOVC A,@A+DPTR
MOV P2,#0FDH
MOV P0,A
LCALL DELAY
MOV P2, #0F7H
MOV P0, A
LCALL DELAY
JNB 4DH,A8
CLR 4DH
DJNZ 63H,KKK5
MOV 63H,#2
DEC R4
CJNE R4,#0FFH,KKK5
LJMP DISPLAY1
T_0: PUSH Acc
PUSH B
PUSH PSW
MOV TH0,#3CH
MOV TL0,#0B0H
DJNZ 62H,OVER100
MOV 62H,#10
SETB 4DH
OVER100:DJNZ 60H,OVER
MOV 60H,#20
SETB 4FH
OVER: POP PSW
POP B
POP ACC
RETI
T_1: PUSH ACC
PUSH B
PUSH PSW
MOV TH1,#3CH
MOV TL1,#0B0H
DJNZ 61H,OVER1
MOV 61H,#60
SETB 4EH
OVER1: POP PSW
POP B
POP ACC
RETI
INT_0:PUSH ACC
PUSH B
PUSH PSW
MOV A,P1
PUSH ACC
MOV P1,#0F6H
CLR EX0
CLR TR0
LCALL DELAY ;
JB P3.2, OK
LJMP DISPLAY3
OK:LJMP OVER2
DISPLAY3:MOV R5, 40H
MOV R6, 43H
MOV A, R5
MOV B, #0AH
DIV AB
MOV DPTR,#TAB
MOVC A,@A+DPTR
MOV P2,#0FEH
MOV P0,A
LCALL DELAY
MOV A, B
MOVC A,@A+DPTR
MOV P2,#0FDH
MOV P0,A
LCALL DELAY
MOV A, R6
MOV B, #0AH
DIV AB
MOV DPTR,#TAB
MOVC A,@A+DPTR
MOV P2,#0FBH
MOV P0,A
LCALL DELAY
MOV A, B
MOVC A,@A+DPTR
MOV P2,#0F7H
MOV P0,A
LCALL DELAY
MOV A,P2
ANL A,#70H
CJNE A,#70H,DES3
LJMP DISPLAY3
DES3:LCALL DELAY
CJNE A,#70H,DES4
DES4:JNB ACC.4,DES7
JNB ACC.5,ADD1
JNB ACC.6,DEC1
DES7:JNB P2.4,DES7
LJMP DISPLAY5
ADD1:JNB P2.5,ADD1
INC 40H
INC 43H
LJMP DISPLAY3
DEC1:JNB P2.6,DEC1
DEC 40H
DEC 43H
LJMP DISPLAY3
DISPLAY5:SETB TR1
DISPLAY4:MOV R5, 41H
MOV R6, 42H
MOV A, R5
MOV B, #0AH
DIV AB
MOV DPTR,#TAB
MOVC A,@A+DPTR
MOV P2,#0FEH
MOV P0,A
LCALL DELAY
MOV A, B
MOVC A,@A+DPTR
MOV P2,#0FDH
MOV P0,A
LCALL DELAY
MOV A, R6
MOV B, #0AH
DIV AB
MOV DPTR,#TAB
MOVC A,@A+DPTR
MOV P2,#0FBH
MOV P0,A
LCALL DELAY
MOV A, B
MOVC A,@A+DPTR
MOV P2,#0F7H
MOV P0,A
LCALL DELAY
MOV A,P2
ANL A,#70H
CJNE A,#70H,DES5
JNB 4EH,DISPLAY4
LJMP OVER2
DES5: LCALL DELAY
CJNE A,#70H,DES6
DES6: JNB ACC.4,DIS3;
JNB ACC.5,ADD2
JNB ACC.6,DEC2
LJMP DISPLAY4
DIS3:JNB P2.4,DIS3
CLR TR1
MOV TH1,#3CH
MOV TL1,#0B0H
MOV 61H,#60
LJMP DISPLAY3
ADD2:JNB P2.5,ADD2
MOV TH1,#3CH
MOV TL1,#0B0H
MOV 61H,#60
INC 41H
INC 42H
LJMP DISPLAY4
DEC2:JNB P2.6,DEC2
MOV TH1,#3CH
MOV TL1,#0B0H
MOV 61H,#60
DEC 41H
DEC 42H
LJMP DISPLAY4
OVER2:CLR 4EH
CLR TR1
MOV TH1,#3CH
MOV TL1,#0B0H
SETB EX0
SETB TR0
POP ACC
MOV P1,A
POP PSW
POP B
POP ACC
RETI
TAB:DB 3FH ,06H, 5BH ,4FH ,66H, 6DH ,7DH ,07H, 7FH, 6FH
DELAY: MOV R1,#40
D1: MOV R7,#50
DJNZ R7,$
DJNZ R1,D1
RET
END

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