#include
#define uchar unsigned char
#define uint unsigned int
UINT J = 0;
UINT NUM = 0;
Uchar SL, SH, ML, MH, HL, HH;
Uchar code x [13] = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', ': ', 0x0d, 0x0a};
/ / -------------------------------------------------------------------------------------------- --------------------------------------------
Void Time0_INT () Interrupt 1 Using 1
{
TH0 = (65536-40000) / 256;
TL0 = (65536-40000)% 256;
Num ;
IF (NUM> 50)
{
Num = 0; SL ;
IF (SL> 9)
{
SL = 0; SH ;
IF (SH> 5)
{
SH = 0; ml ;
IF (ml> 9)
{
ML = 0; MH ;
IF (MH> 5)
{
MH = 0; HL ;
IF (HL> 9)
{
HL = 0; HH ;
IF (hh> 5)
HH = 0;
}
}
}
}
}
SBUF = x [hh];
While (ti == 0);
Ti = 0;
SBUF = x [HL];
While (ti == 0);
Ti = 0;
SBUF = x [10];
While (ti == 0);
Ti = 0;
SBUF = x [MH];
While (ti == 0);
Ti = 0;
SBUF = x [ml];
While (ti == 0);
Ti = 0;
SBUF = x [10];
While (ti == 0);
Ti = 0;
SBUF = x [sh];
While (ti == 0);
Ti = 0;
SBUF = x [sl];
While (ti == 0);
Ti = 0;
SBUF = x [11];
While (ti == 0);
Ti = 0;
SBUF = x [12];
While (ti == 0);
Ti = 0;
}
}
/ / -------------------------------------------------------------------------------------------- -------------------------------------------------- ----
Main ()
{
TMOD = 0x21;
TH0 = (65536-40000) / 256; // 20ms interrupt cycle, a total of 3000 times, showing 1 minute
TL0 = (65536-40000)% 256;
TL1 = 0xFD;
TH1 = 0xFD;
SCON = 0xD8;
PCON = 0x00;
EA = 1;
ET0 = 1;
Tr0 = 1;
TR1 = 1;
While (1);
}
