1 #include <reg52.h>
2 #include <stdio.h>
3 #define uc unsigned char
4 #define uint unsigned int
5
6 uc flag, i, k, flag_t, s[50] = "", j = 0, flag_n = 0;
7 uc code table[] = "I get ";
8
9 void init()
10 {
11 TMOD = 0x20;
12 TH1 = 0xfd;
13 TL1 = 0xfd;
14 TR1 = 1;
15
16 SM0 = 0;
17 SM1 = 1;
18 REN = 1;
19 EA = 1;
20 ES = 1;
21 }
22
23
24 void main()
25 {
26 init();
27 while ( 1 )
28 {
29 if ( flag == 1 )
30 {
31 if ( flag_n != 0 )
32 {
33 TI = 1;
34 printf( "\n" );
35 while ( !TI )
36 ;
37 TI = 0;
38 }
39 for ( i = 0; i < 6; i++ )
40 {
41 SBUF = table[i];
42 while ( !TI )
43 ;
44 TI = 0;
45 }
46 for ( i = 0; s[i] != '#' && i < 50; i++ )
47 {
48 SBUF = s[i];
49 while ( !TI )
50 ;
51 TI = 0;
52 SBUF = 'b';
53 while ( !TI )
54 ;
55 TI = 0;
56 }
57 flag = 0;
58 }
59 if ( flag_t == 1 )
60 {
61 TI = 1;
62 printf( "\nYou transfer %s", s );
63 while ( !TI )
64 ;
65 TI = 0;
66 flag_t = 0;
67 }
68 }
69 }
70
71
72 void ser() interrupt 4
73 {
74 if ( RI )
75 {
76 RI = 0;
77
78 if ( flag == 0 && j != 0 )
79 {
80 flag_n++;
81 for ( j = 0; s[j] != '#' && j < 50; j++ )
82 s[j] = '\0';
83 j = 0;
84 }
85 s[j] = SBUF;
86
87 for ( k = 0; k < 20; k++ )
88 {
89 SBUF = j;
90 while ( !TI )
91 ;
92 TI = 0;
93 }
94
95
96 flag = 1;
97 if ( s[j] == '#' || j == 49 )
98 flag_t = 1;
99 else
100 j++;
101 }
102
103 if ( TI )
104 {
105 }
106 }
