/* Name: Performance scale
Description: This example uses a timer to play a tone
Level, playback is controlled by K1.
*/
#include
#define uchar unsigned char
#define uint unsigned int
Sbit K1=P1^0;
Sbit SPK=P3^4;
Uint i=0; //note index
//14 notes placed in the timing register under mode 2
(TH0, TL0)
Uchar code HI_LIST[]={0,226,229,232,233,236,238,240,241,242,244,245,246,247,248};
Uchar code LO_LIST[]={0,4,13,10,20,3,8,6,2,23,5,26,1,4,3};
/ / Timer 0 interrupt function
Void T0_INT() interrupt 1
{
TL0=LO_LIST[i];
TH0=HI_LIST[i];
SPK=~SPK;
}
//delay
Void DelayMS(uint ms)
{
Uchar t;
While(ms--) for(t=0;t<120;t++);
} 
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