/* kernel32.cpp : FritzOS C++ Kernel				   Copyright (C) 2002 Tom Fritz	*********************************************************		THE MAIN C++ CODE OF FRITZOS	********************************************************* * This program is a part of the FritzOS kernel, and may be freely * copied under the terms of the GNU General Public License (GPL), * version 2, or at your option any later version.      For more info, look at the COPYING file.*/#include "../include/fstdio.h"		// need printf, setcolor, and freeze#include "../include/keys.h"		// need getch for getting keys fromt he keyboard#include "../include/detect.h"		// For detecting color or mono video cards#include "../include/error.h"		// Need panic#include "msgs.h"			// Messages// Define the FritzOS version, so all I have to do is change this when it prints the version#define FOSVERSIONFULL		0#define FOSVERSIONDOT		7// Main Function of FritzOS:extern "C" void start();	// NOTE: I use the "EXTERN" directive so this can be called in the ASM 				//  module...other wise...this function's name is mangled.// Function for detecting the video card before FritzOS is loaded:extern "C" void CheckVid();	// NOTE: I use the extern "C" directive so this can be called in the ASM 				//  module...other wise...this function's name is mangled.// For getting the character pressedUCHAR ch;////////////////////////////////////////////////////////////////////////////////////////////////////////////////// FritzOS Main Kernel:extern void start()				// Got here from kernelasm.asm{	// ... the GDT was loaded before here	// Put back the default color, LoadingGDTMsg changed it to blue:	setcolor( WHITE_BLACK );	// Tell about FritzOS...	Print( "FritzOS Version %d.%d Booted.\n", FOSVERSIONFULL,		FOSVERSIONDOT );	Print( "Copyright (C) 2002 Tom Fritz\n" );	// Me	Print( "FritzOS comes with ABSOLUTELY NO WARRANTY; for details look in the COPYING file.\n" );	Print( "(The COPYING file should be with the downloaded source code of FritzOS)\n" );	Print( "This is free software, and you are welcome to redistribute it\n" );	Print( "under certain conditions; look at the COPYING file for details.\n" );	// Test Key Handeling:	// Let User Know that we are testing the keys:	// Change Color To Green On Black:	setcolor( GREEN_BLACK );	Print( "Testing Key Handing ( Polling ) press numbers, letters and symbols, and F1-3 to test \the panic function:\t" );	// Set Typing Color To MAGENTA_BLACK	setcolor( MAGENTA_BLACK );	while ( TRUE )	{		ch = getch();	// Get the key		// F1 Pressed, panic level 1		if ( ch == KF1 )			panic( "Test Key F1", 0 );		// F1 Pressed, panic level 2		else if ( ch == KF2 )			panic( "Test Key F2", 1 );		// F1 Pressed, panic level 3		else if ( ch == KF3 )			panic( "Test Key F3", 2 );		// Backspace pressed, blank the current character:		else if ( ch == BACKSPACE )			// Put a blank character:			Print( "\b \b" );		// Just a normal character:		else			putch( ch );		// Just Echo it.	}	Freeze();}//************************************************************************************************************//// Check if FritzOS is on a computer with a video color or mono card -- FritzOS needs a color card.void CheckVid(){	// Let user know that we are...	Print( "Detecting Color Video Card:\t" );	if ( DetectVidCard() == COLORCARD )	{		// There's a color card..ok...go on to FritzOS and print a message:		setcolor( BLUE_BLACK );		// Blue on black text		Print( "[OK]\n" );		setcolor( WHITE_BLACK );	// return default color		return;	}	// There's not a color card, a mono card...let user know and wait for a key to reboot.	else if ( DetectVidCard() == MONOCARD )	{		setcolor( RED_BLACK );		// Red on black text		Print( "[NO]\n" );		setcolor( WHITE_BLACK );	// return default color		Print( "Sorry, FritzOS can only be used on color video cards. You are using a\n" );		Print( "mono video card.\n\tPlease Press A Key To Reboot:\t" );		// wait for a key to reboot:		getch();		// Reboot:		reboot();		// If couldn't reboot, let user know:		Print( "Sorry, FritzOS could not reboot your computer. Please turn it off and then back on."			);		Freeze();			// Nothing to do, Freeze.	}}// End of kernel32.cpp