?? ex.lst
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C51 COMPILER V8.02 EX 10/16/2008 11:34:30 PAGE 1
C51 COMPILER V8.02, COMPILATION OF MODULE EX
OBJECT MODULE PLACED IN ex.OBJ
COMPILER INVOKED BY: d:\Keil\C51\BIN\C51.EXE ex.c BROWSE DEBUG OBJECTEXTEND
line level source
1 //****************Copyright (c)*************
2 // 成都麟鑫科技有限責任公司
3 // http://www.linxinpro.com
4 //******************************************
5 #include<reg51.h>
6 #define uint unsigned int
7 #define uchar unsigned char
8 uchar code tab1[10]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90};//0~9字形代碼
9 uint counter1=0,counter2=0,counter3=0,counter4=0;time=100; //計數器變量初始化
10 sbit P1_0=P1^0;
11 sbit P1_1=P1^1;
12 sbit P1_2=P1^2;
13 sbit P1_3=P1^3;
14 void delay(uint tx);//延時程序
15 void show(uint tx1,uint tx2,uint tx3,uint tx4);
16 void main()
17 {
18 1 P1_3=1;//初始化數碼管控制位
19 1 P1_2=1;
20 1 P1_1=1;
21 1 P1_0=1;
22 1 EA=1; //開中斷
23 1 IT0=1; //外部中斷0低電平觸發
24 1 EX0=1; //外部中斷0允許
25 1 while(1)
26 1 show(counter1,counter2,counter3,counter4);
27 1 }
28 /*中斷服務程序*/
29 void interrupt0() interrupt 0 using 2
30 {
31 1 counter1++;
32 1 if(counter1>9)
33 1 {
34 2 counter1=0;
35 2 counter2++;
36 2 };
37 1 if(counter2>9)
38 1 {
39 2 counter2=0;
40 2 counter3++;
41 2 };
42 1 if(counter3>9)
43 1 {
44 2 counter3=0;
45 2 counter4++;
46 2 };
47 1 if(counter4>9)
48 1 counter4=0;
49 1 }
50 /*延時子程序*/
51 void delay(uint tx)
52 {
53 1 uint x=tx;
54 1 do
55 1 x--;
C51 COMPILER V8.02 EX 10/16/2008 11:34:30 PAGE 2
56 1 while(x>1);
57 1 }
58 /*顯示計數次數*/
59 void show(uint tx1,uint tx2,uint tx3,uint tx4)
60 {
61 1 P2=tab1[tx1];
62 1 P1_0=0;
63 1 delay(time);
64 1 P1_0=1;
65 1 P2=tab1[tx2];
66 1 P1_1=0;
67 1 delay(time);
68 1 P1_1=1;
69 1 P2=tab1[tx3];
70 1 P1_2=0;
71 1 delay(time);
72 1 P1_2=1;
73 1 P2=tab1[tx4];
74 1 P1_3=0;
75 1 delay(time);
76 1 P1_3=1;
77 1 }
MODULE INFORMATION: STATIC OVERLAYABLE
CODE SIZE = 212 ----
CONSTANT SIZE = 10 ----
XDATA SIZE = ---- ----
PDATA SIZE = ---- ----
DATA SIZE = 10 8
IDATA SIZE = ---- ----
BIT SIZE = ---- ----
END OF MODULE INFORMATION.
C51 COMPILATION COMPLETE. 0 WARNING(S), 0 ERROR(S)
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