?? 查詢式鍵盤.lst
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C51 COMPILER V7.06 查裚式鍵盤 06/01/2007 14:42:42 PAGE 1
C51 COMPILER V7.06, COMPILATION OF MODULE 查裚式鍵盤
OBJECT MODULE PLACED IN 查詢式鍵盤.OBJ
COMPILER INVOKED BY: D:\keil c51\C51\BIN\C51.EXE 查詢式鍵盤.c BROWSE DEBUG OBJECTEXTEND
stmt level source
1 #include<reg51.h>
2 unsigned char i=0;
3
4 void delay(void);
5 void display(void);
6
7 void main(void)
8 {
9 1 if(P1==0x00){i=0;}
10 1 else if(P1==0x01){i=1;}
11 1 else if(P1==0x02){i=2;}
12 1 else if(P1==0x04){i=3;}
13 1 else if(P1==0x08){i=4;}
14 1 else if(P1==0x10){i=5;}
15 1 else if(P1==0x20){i=6;}
16 1 else if(P1==0x40){i=7;}
17 1 else if(P1==0x80){i=8;}
18 1 else;
19 1 display();
20 1 }
21
22 void delay(void)
23 {
24 1 unsigned int uiTemp1 ;
25 1 unsigned int uiTemp2 ;
26 1 unsigned char ucTemp ;
27 1 for (uiTemp1 = 0 ; uiTemp1 < 300 ; uiTemp1++)
28 1 {
29 2 for (uiTemp2 = 0 ; uiTemp2 <700 ; uiTemp2++)
30 2 {
31 3 ucTemp++ ;
32 3 }
33 2 }
34 1 }
35
36 void display(void)
37 {
38 1 P2=0xff;
39 1 if(i==0){P2=0xff;}
40 1 else if(i==1){P2=0xfe;}
41 1 else if(i==2){P2=0xfd;}
42 1 else if(i==3){P2=0xfc;}
43 1 else if(i==4){P2=0xfb;}
44 1 else if(i==5){P2=0xfa;}
45 1 else if(i==6){P2=0xf9;}
46 1 else if(i==7){P2=0xf8;}
47 1 else if(i==8){P2=0xf7;}
48 1 else;
49 1 delay();
50 1 }
MODULE INFORMATION: STATIC OVERLAYABLE
CODE SIZE = 213 ----
CONSTANT SIZE = ---- ----
C51 COMPILER V7.06 查裚式鍵盤 06/01/2007 14:42:42 PAGE 2
XDATA SIZE = ---- ----
PDATA SIZE = ---- ----
DATA SIZE = 1 1
IDATA SIZE = ---- ----
BIT SIZE = ---- ----
END OF MODULE INFORMATION.
C51 COMPILATION COMPLETE. 0 WARNING(S), 0 ERROR(S)
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