//HJSMSY-V1.0单片机开发板测试程序
//---------------------------------------------
// <<电脑钟>>
//---------------------------------------------
//=======主函数==================================
ORG 0000H
LJMP MAIN
ORG 000BH
LJMP T00
// ORG 001BH
// LJMP T11
ORG 0030H
//=======程序初始化=============================
MAIN:
MOV TMOD,#11H
MOV TH0,#3CH
MOV TL0,#0B0H
MOV TH1,#0F0H
MOV TL1,#0B0H
SETB EA
SETB ET0
// SETB ET1
SETB TR0
// SETB TR1
CLR P3.4
MOV R7,#00H ;秒值
MOV 30H,#00H ;秒个位值
MOV 31H,#00H ;秒十位值
MOV 32H,#00H ;分个位
MOV 33H,#00H ;分十位
MOV 34H,#00H ;时个位
MOV 35H,#00H ;时十位
MOV 44H,#00H ;秒表毫秒十位
MOV 45H,#00H ;秒表秒毫秒百位
MOV 46H,#00H ;秒表秒个位
MOV 47H,#00H ;秒表秒十位
MOV 48H,#00H ;秒表分个位
MOV 49H,#00H ;秒表分十位
MOV P2,#0F0H ;P2口按键初始化
MOV 40H,#01H ;数码管休眠值 /流水灯/秒表开关数
MOV 41H,#08H ;流水灯循环值
MOV 42H,#00H ;秒表暂停
// ACALL T11
//-----------------------------------------------
MAIN1:
MOV P0,#0FFH
MOV P1,#0FFH
MOV R0,40H
CJNE R0,#01H,ACL1
ACALL MAIN2 ;时钟显示
ACL1:CJNE R0,#02H,ACL2
ACALL MAIN3 ;秒表
ACL2:CJNE R0,#03H,ACL3
ACALL LED ;流水灯
ACL3:ACALL KEY ;按键扫描
// ACALL BAO ;定时报警
LJMP MAIN1
//=======报警子程序============================
BAO:MOV R4,33H
CJNE R4,#03H,YY1
CLR P3.2
ACALL KEY
LJMP YY2
YY1:CJNE R4,#05H,YY2
SETB P3.2
ACALL KEY
YY2:RET
//======时钟扫描子程序=======================
MAIN2:
MOV A,30H
MOV DPTR,#TAB
MOVC A,@A+DPTR
MOV P0,A
CLR P1.0
ACALL DELAY
MOV A,31H
MOV DPTR,#TAB
MOVC A,@A+ DPTR
MOV P0,A
CLR P1.1
SETB P1.0
ACALL DELAY
MOV A,32H
MOV DPTR,#TAB
MOVC A,@A+DPTR
MOV P0,A
CLR P1.2
SETB P1.1
ACALL DELAY
MOV A,33H
MOV DPTR,#TAB
MOVC A,@A+DPTR
MOV P0,A
CLR P1.3
SETB P1.2
ACALL DELAY
MOV A,34H
MOV DPTR,#TAB
MOVC A,@A+DPTR
MOV P0,A
CLR P1.4
SETB P1.3
ACALL DELAY
MOV A,35H
MOV DPTR,#TAB
MOVC A,@A+DPTR
MOV P0,A
CLR P1.5
SETB P1.4
ACALL DELAY
MOV P0,#7FH
MOV P1,#0EBH
ACALL DELAY
MOV P1,#0FFH
RET
//========秒表扫描子程序=========================
MAIN3:
MOV A,44H
MOV DPTR,#TAB
MOVC A,@A+DPTR
MOV P0,A
CLR P1.0
ACALL DELAY
MOV A,45H
MOV DPTR,#TAB
MOVC A,@A+ DPTR
MOV P0,A
CLR P1.1
SETB P1.0
ACALL DELAY
MOV A,46H
MOV DPTR,#TAB
MOVC A,@A+DPTR
MOV P0,A
CLR P1.2
SETB P1.1
ACALL DELAY
MOV A,47H
MOV DPTR,#TAB
MOVC A,@A+DPTR
MOV P0,A
CLR P1.3
SETB P1.2
ACALL DELAY
MOV A,48H
MOV DPTR,#TAB
MOVC A,@A+DPTR
MOV P0,A
CLR P1.4
SETB P1.3
ACALL DELAY
MOV A,49H
MOV DPTR,#TAB
MOVC A,@A+DPTR
MOV P0,A
CLR P1.5
SETB P1.4
ACALL DELAY
MOV P0,#7FH
MOV P1,#0EBH
ACALL DELAY
MOV P1,#0FFH
RET
//=======定时器T0中断服务========================
T00:MOV TH0,#0D8H
MOV TL0,#0F0H
INC R7
CJNE R7,#64H,AA
MOV R7,#00H
//-------时钟跑值--------------------------------
TK1:INC 30H ;每秒钟秒个位增一
MOV R6,30H
CJNE R6,#0AH,AA
MOV 30H,#00H
TK2:INC 31H
MOV R6,31H
CJNE R6,#06H,AA
MOV 31H,#00H
TK3:INC 32H
MOV R6,32H
CJNE R6,#0AH,AA
MOV 32H,#00H
TK4:INC 33H
MOV R6,33H
CJNE R6,#06H,AA
本文关键字：单片机 综合-其它，单片机-工控设备 - 综合-其它
