📄 44键盘.lst
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C51 COMPILER V8.02 44键盘 10/09/2008 16:33:39 PAGE 1
C51 COMPILER V8.02, COMPILATION OF MODULE 44键盘
OBJECT MODULE PLACED IN 44键盘.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE 44键盘.c BROWSE DEBUG OBJECTEXTEND
line level source
1 #include <AT89X51.H>
2 unsigned char code table[]={0x3f,0x06,0x5b,0x4f,
3 0x66,0x6d,0x7d,0x07,
4 0x7f,0x6f,0x77,0x7c,
5 0x39,0x5e,0x79,0x71};
6 unsigned char temp;
7 unsigned char key;
8 unsigned char i,j;
9
10
11 void main(void)
12 {
13 1 while(1)
14 1 {
15 2 P3=0xff;
16 2 P3_4=0;
17 2 temp=P3;
18 2 temp=temp & 0x0f;
19 2 if (temp!=0x0f)
20 2 {
21 3 for(i=50;i>0;i--)
22 3 for(j=200;j>0;j--);
23 3 temp=P3;
24 3 temp=temp & 0x0f;
25 3 if (temp!=0x0f)
26 3 {
27 4 temp=P3;
28 4 temp=temp & 0x0f;
29 4 switch(temp)
30 4 {
31 5 case 0x0e:
32 5 key=0;
33 5 break;
34 5 case 0x0d:
35 5 key=1;
36 5 break;
37 5 case 0x0b:
38 5 key=2;
39 5 break;
40 5 case 0x07:
41 5 key=3;
42 5 break;
43 5 }
44 4 temp=P3;
45 4 P1_0=~P1_0;
46 4 P2=table[key];
47 4 temp=temp & 0x0f;
48 4 while(temp!=0x0f)
49 4 {
50 5 temp=P3;
51 5 temp=temp & 0x0f;
52 5 }
53 4 }
54 3 }
55 2
C51 COMPILER V8.02 44键盘 10/09/2008 16:33:39 PAGE 2
56 2 P3=0xff;
57 2 P3_5=0;
58 2 temp=P3;
59 2 temp=temp & 0x0f;
60 2 if (temp!=0x0f)
61 2 {
62 3 for(i=50;i>0;i--)
63 3 for(j=200;j>0;j--);
64 3 temp=P3;
65 3 temp=temp & 0x0f;
66 3 if (temp!=0x0f)
67 3 {
68 4 temp=P3;
69 4 temp=temp & 0x0f;
70 4 switch(temp)
71 4 {
72 5 case 0x0e:
73 5 key=4;
74 5 break;
75 5 case 0x0d:
76 5 key=5;
77 5 break;
78 5 case 0x0b:
79 5 key=6;
80 5 break;
81 5 case 0x07:
82 5 key=7;
83 5 break;
84 5 }
85 4 temp=P3;
86 4 P1_0=~P1_0;
87 4 P2=table[key];
88 4 temp=temp & 0x0f;
89 4 while(temp!=0x0f)
90 4 {
91 5 temp=P3;
92 5 temp=temp & 0x0f;
93 5 }
94 4 }
95 3 }
96 2
97 2 P3=0xff;
98 2 P3_6=0;
99 2 temp=P3;
100 2 temp=temp & 0x0f;
101 2 if (temp!=0x0f)
102 2 {
103 3 for(i=50;i>0;i--)
104 3 for(j=200;j>0;j--);
105 3 temp=P3;
106 3 temp=temp & 0x0f;
107 3 if (temp!=0x0f)
108 3 {
109 4 temp=P3;
110 4 temp=temp & 0x0f;
111 4 switch(temp)
112 4 {
113 5 case 0x0e:
114 5 key=8;
115 5 break;
116 5 case 0x0d:
117 5 key=9;
C51 COMPILER V8.02 44键盘 10/09/2008 16:33:39 PAGE 3
118 5 break;
119 5 case 0x0b:
120 5 key=10;
121 5 break;
122 5 case 0x07:
123 5 key=11;
124 5 break;
125 5 }
126 4 temp=P3;
127 4 P1_0=~P1_0;
128 4 P2=table[key];
129 4 temp=temp & 0x0f;
130 4 while(temp!=0x0f)
131 4 {
132 5 temp=P3;
133 5 temp=temp & 0x0f;
134 5 }
135 4 }
136 3 }
137 2
138 2 P3=0xff;
139 2 P3_7=0;
140 2 temp=P3;
141 2 temp=temp & 0x0f;
142 2 if (temp!=0x0f)
143 2 {
144 3 for(i=50;i>0;i--)
145 3 for(j=200;j>0;j--);
146 3 temp=P3;
147 3 temp=temp & 0x0f;
148 3 if (temp!=0x0f)
149 3 {
150 4 temp=P3;
151 4 temp=temp & 0x0f;
152 4 switch(temp)
153 4 {
154 5 case 0x0e:
155 5 key=12;
156 5 break;
157 5 case 0x0d:
158 5 key=13;
159 5 break;
160 5 case 0x0b:
161 5 key=14;
162 5 break;
163 5 case 0x07:
164 5 key=15;
165 5 break;
166 5 }
167 4 temp=P3;
168 4 P1_0=~P1_0;
169 4 P2=table[key];
170 4 temp=temp & 0x0f;
171 4 while(temp!=0x0f)
172 4 {
173 5 temp=P3;
174 5 temp=temp & 0x0f;
175 5 }
176 4 }
177 3 }
178 2 }
179 1 }
C51 COMPILER V8.02 44键盘 10/09/2008 16:33:39 PAGE 4
MODULE INFORMATION: STATIC OVERLAYABLE
CODE SIZE = 454 ----
CONSTANT SIZE = 16 ----
XDATA SIZE = ---- ----
PDATA SIZE = ---- ----
DATA SIZE = 4 ----
IDATA SIZE = ---- ----
BIT SIZE = ---- ----
END OF MODULE INFORMATION.
C51 COMPILATION COMPLETE. 0 WARNING(S), 0 ERROR(S)
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