📄 4bit-count.lst
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C51 COMPILER V7.50 4BIT_COUNT 08/07/2007 12:04:08 PAGE 1
C51 COMPILER V7.50, COMPILATION OF MODULE 4BIT_COUNT
OBJECT MODULE PLACED IN .\4BIT-COUNT.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE .\4BIT-COUNT.C DEBUG OBJECTEXTEND
line level source
1 #include <AT89X51.H>
*** WARNING C318 IN LINE 1 OF .\4BIT-COUNT.C: can't open file 'AT89X51.H'
2
3 unsigned char curcount;
4
5 void delay10ms(void)
6 {
7 1 unsigned char i,j;
8 1 for(i=20;i>0;i--)
9 1 for(j=248;j>0;j--);
10 1 }
11
12
13 void main(void)
14 {
15 1 curcount=P3 & 0x0f;
*** ERROR C202 IN LINE 15 OF .\4BIT-COUNT.C: 'P3': undefined identifier
16 1 P1=~curcount;
*** ERROR C202 IN LINE 16 OF .\4BIT-COUNT.C: 'P1': undefined identifier
17 1 while(1)
18 1 {
19 2 if(P3_6==0)
*** ERROR C202 IN LINE 19 OF .\4BIT-COUNT.C: 'P3_6': undefined identifier
20 2 {
21 3 delay10ms();
22 3 if(P3_6==0)
*** ERROR C202 IN LINE 22 OF .\4BIT-COUNT.C: 'P3_6': undefined identifier
23 3 {
24 4 if(curcount>=15)
25 4 {
26 5 curcount=15;
27 5 }
28 4 else
29 4 {
30 5 curcount++;
31 5 }
32 4 P1=~curcount;
*** ERROR C202 IN LINE 32 OF .\4BIT-COUNT.C: 'P1': undefined identifier
33 4 while(P3_6==0);
*** ERROR C202 IN LINE 33 OF .\4BIT-COUNT.C: 'P3_6': undefined identifier
34 4 }
35 3 }
36 2 if(P3_7==0)
*** ERROR C202 IN LINE 36 OF .\4BIT-COUNT.C: 'P3_7': undefined identifier
37 2 {
38 3 delay10ms();
39 3 if(P3_7==0)
*** ERROR C202 IN LINE 39 OF .\4BIT-COUNT.C: 'P3_7': undefined identifier
40 3 {
41 4 if(curcount<=0)
42 4 {
43 5 curcount=0;
44 5 }
45 4 else
46 4 {
C51 COMPILER V7.50 4BIT_COUNT 08/07/2007 12:04:08 PAGE 2
47 5 curcount--;
48 5 }
49 4 P1=~curcount;
*** ERROR C202 IN LINE 49 OF .\4BIT-COUNT.C: 'P1': undefined identifier
50 4 while(P3_7==0);
*** ERROR C202 IN LINE 50 OF .\4BIT-COUNT.C: 'P3_7': undefined identifier
51 4 }
52 3 }
53 2 }
54 1 }
C51 COMPILATION COMPLETE. 1 WARNING(S), 10 ERROR(S)
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