#include <time.h>
#include <stdio.h>
#include <stdlib.h>

#define LINES 15
#define WIDTH  719
#define LENGTH 347
#define DELTA  16
#define TIME 150


main(int argc,char *argv[])
{
void move(),draw();
int printf(),rand(void);
void randomize(),newline();

long now;
int xx[LINES],yy[LINES],xxx[LINES],yyy[LINES];
int i,j,flag,xdel1,ydel1,xdel2,ydel2;
int x1,y1,x2,y2;

srand(time(&now) %37);/* initialize seed for random number generator */


x1 = (int)(WIDTH*(float)rand()/32768.);
y1 = (int)(LENGTH*(float)rand()/32768.);
x2 = (int)(WIDTH*(float)rand()/32768.);
y2 = (int)(LENGTH*(float)rand()/32768.);
randomize(&xdel1);randomize(&ydel1);randomize(&xdel2);randomize(&ydel2);

flag=0;

for (j=0;j < TIME; j++){
for (i=0;i < LINES;i++){
	if (flag){move(xx[i],yy[i],0);draw(xxx[i],yyy[i]);}
newline(&x1,&y1,&xdel1,&ydel1);newline(&x2,&y2,&xdel2,&ydel2);
xx[i]=x1;yy[i]=y1;xxx[i]=x2;yyy[i]=y2;
	move(xx[i],yy[i],1);draw(xxx[i],yyy[i]);
}
flag=1;
}
exit(0);


}
void randomize(int *x) /* changes input to random number from
		-DELTA/2 to +DELTA/2 */
{
int rand(void);
*x=(int)((float)rand()*DELTA/32768.)-DELTA/2;
}



void newline(int *x, int *y, int *xdel, int *ydel)
{
int xx,yy,xxx,yyy;
void randomize();

top:	xx=*x;yy=*y;
xx=xx+*xdel;yy=yy+*ydel;
if (xx >= WIDTH){goto newdel;}
if (yy >= LENGTH){goto newdel;}
if (yy <= 0){goto newdel;}
if (xx <= 0){goto newdel;}
*x=xx;*y=yy;
goto out;

newdel:	randomize(xdel);randomize(ydel);
if(*xdel == 0 || *ydel == 0){goto newdel;}
goto top;

out:
}


void move(int row,int column,int color)
{
void __int__();
	_AH = 0x23;
	_AL = (char)color;
	_DX = column;
	_CX = row;
	__int__(0x10);
}

void draw(int row,int column)
{
void __int__();
	_AH = 0x24;
	_DX = column;
	_CX = row;
	__int__(0x10);
}