#include
#include
#define?DAC0832?XBYTE[0xfeff]
#define?uchar?unsigned?char

uchar??num?=?0;
uchar??tl?=?0xe0;
uchar??th?=?0xff;
uchar??interrupt_flagl?=?0x00;

uchar?code?sin[256]?=?{??0x7f0x820x850x880x8b0x8f0x920x950x980x9b0x9e0xa10xa40xa70xaa
						?0xad0xb00xb30xb60xb80xbb0xbe0xc10xc30xc60xc80xcb0xcd0xd0
						?0xd20xd50xd70xd90xdb0xdd0xe00xe20xe40xe50xe70xe90xeb0xec
						?0xee0xef0xf10xf20xf40xf50xf60xf70xf80xf90xfa0xfb0xfb0xfc0xfd0xfd
						?0xfe0xfe0xfe0xfe0xfe0xfe0xfe0xfe0xfe0xfe0xfe0xfd0xfd0xfc0xfb0xfb
						?0xfa0xf90xf80xf70xf60xf50xf40xf20xf10xef0xee0xec0xeb0xe90xe7
						?0xe50xe40xe20xe00xdd0xdb0xd90xd70xd50xd20xd00xcd0xcb0xc80xc60xc3
						?0xc10xbe0xbb0xb80xb60xb30xb00xad0xaa0xa70xa40xa10x9e0x9b0x980x95
						?0x920x8f0x8b0x880x850x820x7f0x7c0x790x760x730x6f0x6c0x690x660x63
						?0x600x5d0x5a0x570x540x510x4e0x4b0x480x460x430x400x3d0x3b0x380x36
						?0x330x310x2e0x2c0x290x270x250x230x210x1e0x1c0x1a0x190x170x150x13
						?0x120x100x0f0x0d0x0c0x0a0x090x080x070x060x050x040x030x030x020x010x010x000x00
						?0x000x000x000x000x000x000x000x000x000x010x010x020x030x030x040x05
						?0x060x070x080x090x0a0x0c0x0d0x0f0x100x120x130x150x170x190x1a0x1c
						?0x1e0x210x230x250x270x290x2c0x2e0x310x330x360x380x3b0x3d0x400x430x46
						?0x480x4b0x4e0x510x540x570x5a0x5d0x600x630x660x690x6c0x6f0x730x76
						?0x790x7c
						?
					};

void?case1（void）
{
	tl?-=?0x05;

	if（tl?<=?0xb0）
	{
		tl?=?0xe0;
	}
}
	?
void?case2（void）
{
	tl?+=?0x05;

	if（tl?>=?0xff）
	{
		tl?=?0xe0;
	}
}

void?case3（void）
{
??	interrupt_flagl=?interrupt_flagl?+?0x01;

	if（interrupt_flagl?>?0x04）
	{
		interrupt_flagl?=?0x01;
	}
}

int0_key（）?interrupt?0
{
	if（P2?==?0xdf）
	{
		case1（）;
	}
	else?if（P2?==?0xbf）
	{
		case2（）;	
	}
	else?if（P2?==?0x7f）
	{
		case3（）;
	}
}

timer0_int（void）?interrupt?1
{
	TR0?=?0;
	if（interrupt_flagl?==?0x01）
	{
		if（num?		{
			DAC0832?=?0x00;
		}
		else?if（（num?>=?64）?&&?（num?<=?128））	
		{
			DAC0832?=?0x85;
		}
		else?if（（num?>?128）?&&（num?<=?255））
		{
			DAC0832?=?0;
		}
		else?if（num?>255）
		{
			num?=0;
		}
	}
	else?if（interrupt_flagl?==?0x02）
	{
	??if（?num?<=?85）
	??{
	???	DAC0832??=?num;
	??
	??}
	??else?if（num?>?85?&&?num?	??{
	??	DAC0832?=?85;

	??}
	??else?if（（num?>=?170）?&&（num?	??{
		?DAC0832?=?255?-?num;
	??
	??}
	??else?if（num?>=?255）
	??{
	??	num?=?0;
	??}
	}

	else?if（interrupt_flagl?==?0x03）
	{
	???if（?num?<=?0x128）
	???{
	???		DAC0832?=?num;
	???}
	???else?if（（num?>=?0x128）?&&?（num?	???{
			DAC0832?=?255?-?num;
	???}
	???else?if（num?>=?255）
	???{
			num?=?0;
	???}
	}

	else?if（interrupt_flagl?==?0x0

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

?????文件???????6363??2012-11-11?17:47??簡易波形發生器\wave2

?????文件?????119132??2012-11-15?07:54??簡易波形發生器\wave2.DSN

?????文件????????792??2012-11-15?08:00??簡易波形發生器\wave2.PWI

?????文件???????2732??2012-11-05?22:09??簡易波形發生器\wavesource2.hex

?????文件???????3289??2012-11-11?17:47??簡易波形發生器\程序.c

?????目錄??????????0??2012-11-15?08:00??簡易波形發生器

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

???????????????132308????????????????????6