#define?IMR?0
#define?TIM?0x24
#define?PRD?0x25
#define?TCR?0x26
#define?PMST?0x1d

int?con_buf=0i;
float?buf[128];		/*??save?out?wave?buffer?*/

float?y0;
float?y1=0.30901699;
float?y2=0.58778525;
const?float?aa=1.90211304;
const?float?bb=-1.;

????????????????????????
main（）
{
	const?int?flag?=?1;
	int?*dest;
??	for（i=0;i<128;i++）
??		buf[i]=0;
??dest?=?（int?*）IMR;
??*dest?=?0;

??dest?=?（int?*）PMST;
??*dest?=?0x1020;	/*?interrupt?vector?at?0x1000?*/
??
??dest?=?（int?*）TCR;
??*dest?=?0x0010;	/*?stop?timer0?*/

??dest?=?（int?*）PRD;
??*dest?=?2499;		/*?TINT0?frequecy?=?100MHz/2500?=?40KHz?*/

??dest?=?（int?*）IMR;
??*dest?=?0x0008;	/*?enable?timer0?TINT0??*/?

??dest?=?（int?*）TCR;
??*dest?=?0x0030;	/*?reload?timer0?*/
??*dest?=?0x0000;	/*?start?timer0?*/

??asm?（“?rsbx?intm“）;

??while?（?flag?）
??{
??}

}

void?interrupt?tint（）
{
??	y0?=?aa*y1?+?bb*y2;
	y2?=?y1;
	y1?=?y0;?
	buf[con_buf]=y0;
	con_buf++;
	if（con_buf?==?128）
	????con_buf=0;????????????/*?set?breakpoint?to?show?wave?*/
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件????????349??2009-04-13?12:51??timer.cmd

?????文件???????1058??2009-04-13?23:48??timer.c

?????文件???????1177??2009-04-13?23:46??vec_table.asm

?????文件?????177494??2001-05-08?13:18??rts.lib

-----------?---------??----------?-----??----

???????????????180078????????????????????4