Сборка Часть1 / avmis_labs / лабы / 3. таймер / TIMER

#include <dos.h>
#include <stdlib.h>
#include <stdio.h>
#include <graphics.h>
#include <time.h>
#include <conio.h>
#include <math.h>

#define TIMEINT 8
#define N 100

void interrupt (*oldtime)(...);
void interrupt  newtime(...);

static int resmas[N];
static int ny;
static int yc;
static int counter;


int main()
{
	unsigned oldtic = 65535;
	unsigned newtic = 16412;
	int g_driver, g_mode;
	int errorcode;
	int x;

	clrscr();
	printf("Please wait");

	outportb(0x43,0x36);
	outportb(0x40,(char)newtic);
	outportb(0x40,(char)(newtic>>8));

	ny = -1;
	counter = 4;

	oldtime=getvect(TIMEINT);
	setvect(TIMEINT,newtime);

	randomize();
	int tmp1, tmp2;
	for (x=0,ny=0; ny<N; x++)
	{
	       yc=(int)(0.5*(x%100)+100*sin(x/5)*random(2)+150);
	}

	setvect(TIMEINT,oldtime);

	outportb(0x43,0x36);
	outportb(0x40,(char)oldtic);
	outportb(0x40,(char)(oldtic>>8));


	g_driver = 3;   /* EGA, 16 colors */
	g_mode = 1;  	/* Rezhim 640*350 */
	initgraph(&g_driver, &g_mode, "");

	errorcode = graphresult();
	if(errorcode != grOk)
	{
		printf("\nGraphics error: %s\n", grapherrormsg(errorcode));
		printf("Press any key to halt:");
		getch();
		exit(1);
	}

	setcolor(9);
	rectangle(15,40,624,330);
	setcolor(11);
	for(ny=0; ny<N; ny++)
	{
		circle(22+ny*6, 330-resmas[ny]*1,2);
		line(22+ny*6, 330, 22+ny*6, 333-resmas[ny]*1);
	}

	setcolor(12);
	settextstyle(0, 0, 1);
	outtextxy(260, 340, "Press any key to continue ...");
	getch();
	closegraph();

	return 0;
}


void interrupt newtime(...)
{
	counter--;
	if(counter<=0)
	{
		(*oldtime)();
		counter = 4;
	}
	else outportb(0x20,0x20);

	if(ny>=0 && ny<N) resmas[ny++]=yc;
}