/*****************************************************************************

   This file is part of Virtual VCS, the Atari 2600 Emulator
   ===================================================

   Copyright 1996 Alex Hornby. For contributions see the file CREDITS.
   Modified 1996 Daniel Boris

   This software is distributed under the terms of the GNU General Public
   License. This is free software with ABSOLUTELY NO WARRANTY.

   See the file COPYING for Details.

   $Id: main.c,v 1.13 1996/03/21 16:36:01 alex Exp $
******************************************************************************/

/*
   The main program body.
*/

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

#include "types.h"
#include "display.h"
#include "keyboard.h"
#include "files.h"
#include "config.h"
#include "vmachine.h"
#include "string.h"

#define STICK 	0x01
#define PADDLE 	0x02
#define KEYPAD  0x03

struct resource {
	int rr;
	int debug;
	char bank;
	char pad_sens;
	char sc;
	char autoconfig;
	char left;
	char right;
	char swap;
} app_data;


/* The mainloop from cpu.c */
extern void mainloop ();

/* The main entry point */
void main(int argc, char **argv)
{
	int i;
	char file[50];
	char attr[50],val[50];
	char *p;

	clrscr();
	printf("                         Virtural VCS  ver 0.60\n");
	printf("                      copyright 1996 by Daniel Boris\n");
	printf("                ported from X2600 copyright 1996 by Alex Hornby\n");
	printf("      This software is released under the terms of the GNU Public License\n");
	printf("\nVirtual VCS starting...\n");
	if (argc < 2) {
		printf("\nUse: vcs [file] [options]");
		printf("  -bank=#: Set bank select mode\n");
		printf("  -debug:  Start in debug mode\n");
		printf("  -r=#: Set frame rate\n");
		printf("  -left=(STICK,PADDLE,KEYPAD): Set left controller\n");
		printf("  -right=(STICK,PADDLE,KEYPAD): Set right controller\n");
		printf("  -sens=#: Set mouse sensitivity for paddle emulation\n");
		printf("  -auto: Autoconfigure from config file\n");
		printf("  -swap: Swap left and right joystick keys\n");
		exit(0);
	}

	app_data.rr=1;
	app_data.debug=0;
	app_data.bank=0;
	app_data.pad_sens=5;
	app_data.sc=0;
	app_data.left=STICK;
	app_data.right=STICK;
	paddle1.pos=0;
	paddle1.val=0;
	app_data.autoconfig=0;
	app_data.swap=0;

	if (argc > 1) {
		for(i=1; i<argc; i++) {
			if (argv[i][0] != 45) 	{
				strcpy(file,argv[i]);
			}
			else
			{
				p=strtok(argv[i],"=");
				strcpy(attr,p);
				p=strtok(NULL,"=");
				strcpy(val,p);
				if (!strcmpi(attr,"-swap")) {
					app_data.swap=1;
				}
				if (!strcmpi(attr,"-auto")) {
					app_data.autoconfig=1;
				}
				if (!strcmpi(attr,"-sens")) {
					sscanf(val,"%d",&app_data.pad_sens);
				}
				if (!strcmpi(attr,"-left")) {
					if (!strcmpi(val,"stick")) app_data.left=STICK;
					if (!strcmpi(val,"paddle")) app_data.left=PADDLE;
					if (!strcmpi(val,"keypad")) app_data.left=KEYPAD;
				}
				if (!strcmpi(attr,"-right")) {
					if (!strcmpi(val,"stick")) app_data.right=STICK;
					if (!strcmpi(val,"paddle")) app_data.right=PADDLE;
					if (!strcmpi(val,"keypad")) app_data.right=KEYPAD;
				}
				if (!strcmpi(attr,"-bank")) {
					if (!strcmpi(val,"F6")) app_data.bank=1;
					if (!strcmpi(val,"F8")) app_data.bank=2;
					if (!strcmpi(val,"E0")) app_data.bank=4;
					if (!strcmpi(val,"FA")) app_data.bank=3;
					if (!strcmpi(val,"F6SC")) {
						app_data.bank=1;
						app_data.sc=1;
					}
				}
				if (!strcmpi(attr,"-debug")) {
					app_data.debug=1;
				}
				if (!strcmpi(attr,"-r")) {
					sscanf(val,"%d",&app_data.rr);
				}
			}
		}
	}

	/* load image */
	loadCart(file);

	printf("\n\nPress any key to start.\n");
	while(!kbhit()){};
	getch();

	/* start cpu */
	mainloop();

	/* Thats it folk's */
	exit(0);
}