//kernel.c
//08/13/03 Josh Holtrop
//Holtrop's Operating System

#include "k_defines.h"
#include "functions.h"
#include "video.h"
#include "mm.h"

void isr(dword num);
void k_init();

#include "mm.c"
#include "functions.c"
#include "video.c"

dword timer = 0;

void k_init()
{
	remap_pics(0x20, 0x28);
	//set timer : 2e9c = 100hz
	outportb(0x43, 0x34);
	outportb(0x40, 0x9c); //lsb
	outportb(0x40, 0x2e); //msb
	enable_ints();
	video_init((ModeInfoBlock *) 0x90306);
	int a;
	for (a=0;a<768;a+=10)
	{
		video_horiz(a, 2, 1021, 0);
		video_vert(a, 2, 765, 0x0000FFFF);
	}
	video_rect(10, 10, 100, 100, 0x00FFFFFF);
	video_rectf(11, 11, 99, 99, 0x00FFFF00);
}

void isr(dword num)
{
	if (num == 0x20)
	{
		timer++;
		video_rect(20,20,600,600,timer);
		(*(char*)0xB8000)++;
		*(char*)0xB8001 = 7;
		eoi();
	}
	//if (num == 0x21)
	//	restart();
}