/***************************************************************************
 *   Copyright (C) 2007 Ryan Schultz, PCSX-df Team, PCSX team              *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.           *
 ***************************************************************************/

#include "psxcommon.h"
#include "r3000a.h"
#include "psxbios.h"

#include "cheat.h"
#include "ppf.h"

PcsxConfig Config;
boolean NetOpened = FALSE;

int Log = 0;
FILE *emuLog = NULL;

// It is safe if these overflow
u32 rewind_counter=0;
u8 vblank_count_hideafter=0;

// Used for overclocking
u32 PsxClockSpeed = 33868800;

int EmuInit() {
	int ret = psxInit();
	EmuSetPGXPMode(Config.PGXP_Mode);
	return ret;
}

void EmuReset() {
	FreeCheatSearchResults();
	FreeCheatSearchMem();

	psxReset();
}

void EmuShutdown() {
	ClearAllCheats();
	FreeCheatSearchResults();
	FreeCheatSearchMem();

	FreePPFCache();

	psxShutdown();

	CleanupMemSaveStates();
}

void EmuUpdate() {
	// Do not allow hotkeys inside a softcall from HLE BIOS
	if (!Config.HLE || !hleSoftCall)
		SysUpdate();

	ApplyCheats();

	if (vblank_count_hideafter) {
		if (!(--vblank_count_hideafter)) {
			GPU_showScreenPic(NULL);
		}
	}

	if (Config.RewindInterval > 0 && !(++rewind_counter%Config.RewindInterval)) {
		CreateRewindState();
	}
}

void EmuSetPGXPMode(u32 pgxpMode) {
	psxSetPGXPMode(pgxpMode);
}

void __Log(char *fmt, ...) {
	va_list list;
#ifdef LOG_STDOUT
	char tmp[1024];
#endif

	va_start(list, fmt);
#ifndef LOG_STDOUT
	vfprintf(emuLog, fmt, list);
#else
	vsprintf(tmp, fmt, list);
	SysPrintf(tmp);
#endif
	va_end(list);
}