求单片机程序要求数码管显示时间1-60显示一秒响一次

求单片机程序要求数码管显示时间1-60显示一秒响一次

Count EQU 40H
TimeCount EQU 42H
BEEP EQU P3.7
;**********************************************************
ORG 0000H
JMP MAIN
ORG 000BH
JMP TIMER0
ORG 0030H
;**********************************************************
MAIN:
MOV SP,#60H
MOV TMOD,#01
SETB EA
SETB ET0
SETB TR0
MOV TH0,#4CH ;50ms定时
MOV TL0,#00H
MOV Count,#00
LOOP:
MOV A,Count
MOV B,#10
DIV AB
MOV DPTR,#TABLE
MOVC A,@A+DPTR
MOV P0,A
SETB P2.7
CLR P2.6
CALL DELAY2MS
MOV A,B
MOVC A,@A+DPTR
MOV P0,A
SETB P2.6
CLR P2.7
CALL DELAY2MS
SETB P2.7
SETB P2.6
JMP LOOP
;**********************************************************
TIMER0:
PUSH ACC
MOV TH0,#4CH
MOV TL0,#00H
INC TimeCount
MOV A,TimeCount
CJNE A,#20,T_END
MOV TimeCount,#00H
INC Count
MOV A,Count

CALL FENGM
CJNE A,#61,T_END
MOV Count,#00H
T_END:
POP ACC
RETI
;**********************************************************
DELAY2MS:
MOV R6,#04
DEL1:
MOV R7,#248
DJNZ R7,$
DJNZ R6,DEL1
RET

FENGM:
MOV R6,#50
BL2: CALL DEX1
CPL BEEP
DJNZ R6,BL2
MOV R5,#15
CALL DELAY_BL
RET
DEX1: MOV R7,#90
DE2: NOP
DJNZ R7,DE2
RET
;-------------------------------------------
DELAY_BL:
MOV R6,#10
DL1: MOV R7,#30
DJNZ R7,$
DJNZ R6,DL1
DJNZ R5,DELAY_BL
RET
DELAY:
MOV R7,#02H
DEL11:
MOV R6,#10
DEL21:
MOV R5,#50
DEL31:
NOP
NOP
DJNZ R5,DEL31
DJNZ R6,DEL21
DJNZ R7,DEL11
RET

;**********************************************************
TABLE:
DB 0C0H,0F9H,0A4H,0B0H,99H,92H,82H,0F8H
DB 80H ,90H,88H,83H,0C6H,0A1H,86H,8EH
;**********************************************************
END

电路图贴上来，至少显示部分与单片机的接口，复位电路。