/*****************************************************************************
  Filename:	    native.c
  Version:	    0.01
  Description:  calculate  measure  value
  Returns：     result
  Revision History:	 
  EQH－01,  屈宵軍  09/25/04, - Original release
*****************************************************************************/
#include<tms320.h>
#include<math.h>
char  STR1[]="L1";
char  STR2[]="L2";
char  STR3[]="L3";
char  STR4[]="V";
char  STR6[]="A";
typedef  unsigned char  Uchar;
void Linehv(Uchar length);
void point(void);
void Linexy(Uchar endx,Uchar endy);
void Fill_data(void);
extern uint col,row,xy;
extern Uchar Wrbyte;

void Draw_Line(void)
 { 
//    Rollscreen(1);
    Fill_data();  
	col=0;
	row=0;
	xy = 1;		    	/*方向標志。定為水平方向	*/
	Linehv(192);		/*畫一條橫線(0,0)-(191,0)	*/
	col=0;
	row=40;
	xy = 1;
	Wrbyte=0;
	Linehv(192);		/*畫一條橫線(0,15)-(191,15)	*/
	col=0;
	row=63;
	xy = 1;
	Wrbyte=0;
	Linehv(192);		/*畫一條橫線(0,32)-(191,32)	*/
/********************************************************************/	
	col=0;
	row=0;
	xy = 0;		    	/*方向標志。定為垂直方向	*/
	Wrbyte=0;
	Linehv(63);		    /*畫一條豎線(0,1)-(0,31)	*/
/*********************************************************************/
	col=63;
	row=0;
	xy = 0;		    	/*方向標志。定為垂直方向	*/
	Wrbyte=0;
	Linehv(63);		    /*畫一條豎線(0,1)-(0,31)	*/	

	col=127;
	row=0;
	xy = 0;		    	/*方向標志。定為垂直方向	*/
	Wrbyte=0;
	Linehv(63);		    /*畫一條豎線(0,1)-(0,31)	*/	
	col=191;
	row=0;
	xy = 0;
	Wrbyte=0;
	Linehv(63);		   /*畫一條豎線(191,1)-(191,31)	*/
	col=0;			   /*設定斜線的起點坐標		*/
	row=63;
   
//	Linexy(44,31);		/*畫一段斜線(0,63)-(44,31)	*/
//	col=44;
	row=31;
//	Linexy(190,62);		/*繼續畫斜線(44,31)-(191,63)	*/
	
}	
	
	
	
	
	
/****************************************/
/*畫線。只提供X或Y方向的，不支持斜線	*/
/****************************************/
void Linehv(Uchar length)
	{
		Uchar xs,ys;
		if (xy){ys = col;
			for (xs=0;xs<length;xs++){
					col = ys + xs;
					point();}
				}
		else	{xs = row;
			for (ys=0;ys<length;ys++){
					row = xs + ys;
					point();}
				}
}

/****************************************/
/*	畫點				*/
/****************************************/

void point(void)
	{
		Uchar	x1,y1,x,y;
		x1=col;
		y1=row;
		row=y1>>3;		/*取Y方向分頁地址	*/
		Rddata();
		y=y1&0x07;		/*字節內位置計算	*/
		x=0x01;
 		x=x<<y;			/*移入所畫點		*/
		Wrdata(Wrbyte|x);	/*畫上屏幕		*/
		col=x1;			/*恢復xy坐標		*/
		row=y1;
	}


void Fill_data(void)
{
  col=51;
  row=0;
  Putstr(STR1,2);
  col=51;
  row=2;
  Putstr(STR2,2);
  col=51;
  row=4;
  Putstr(STR3,2);
  col=85;
  row=6;
  Putstr(STR4,1);






}