// =====================================================================================
// Copyright (c) 2022-2024 Dave Bernazzani (wavemotion-dave)
//
// Copying and distribution of this emulator, it's source code and associated 
// readme files, with or without modification, are permitted in any medium without 
// royalty provided this copyright notice is used and wavemotion-dave (Phoenix-Edition),
// Alekmaul (original port) and Greg Stanton (ProSystem Emulator) are thanked profusely.
//
// A7800DS emulator is offered as-is, without any warranty.
//
// The original GPL license:
//
// 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., 675 Mass Ave, Cambridge, MA 02139, USA.
// =====================================================================================
#ifndef _A7800UTILS_H
#define _A7800UTILS_H

#define A7800_MENUINIT 0x01
#define A7800_MENUSHOW 0x02
#define A7800_PLAYINIT 0x03 
#define A7800_PLAYGAME 0x04 
#define A7800_QUITSTDS 0x05

extern short int emu_state;

typedef enum {
  EMUARM7_INIT_SND = 0x123C,
  EMUARM7_STOP_SND = 0x123D,
  EMUARM7_PLAY_SND = 0x123E,
} FifoMesType;

typedef struct FICtoLoad {
  char filename[255];
  u8 directory;
} FICA7800;

typedef struct {
  unsigned int sndLevel;
  unsigned int m_ScreenRatio; // 0 = original show, 1 = full screen
  unsigned short DS_Pad[16]; // each key mapping
  unsigned int m_DisplayFPS;
} gamecfg;

#define ds_GetTicks() (TIMER0_DATA)

extern gamecfg GameConf;

extern uint video_height;          // Actual video height
extern unsigned short *bufVideo;   // Video buffer


extern void FadeToColor(unsigned char ucSens, unsigned short ucBG, unsigned char ucScr, unsigned char valEnd, unsigned char uWait);

extern unsigned long crc32 (unsigned int crc, const unsigned char *buf, unsigned int len);

extern void vblankIntr();

extern void dsInitScreenMain(void);
extern void dsInitTimer(void);
extern void dsShowScreenEmu(void);
extern void dsShowScreenMain(bool);
extern void dsFreeEmu(void);
extern void VsoundHandler(void);
extern void dsLoadGame(char *filename);
extern unsigned int dsReadPad(void);
extern bool dsWaitOnQuit(void);
extern void dsDisplayFiles(unsigned int NoDebGame,u32 ucSel);
extern unsigned int dsWaitForRom(void);
extern unsigned int dsWaitOnMenu(unsigned int actState);
extern void dsPrintValue(int x, int y, unsigned int isSelect, char *pchStr);
extern void dsInstallSoundEmuFIFO(void);
extern void dsMainLoop(void);
extern int a78Filescmp (const void *c1, const void *c2);
extern void proFindFiles(void);

#endif