spc.cpp

/*
 * Snes9x - Portable Super Nintendo Entertainment System (TM) emulator.
 *
 * (c) Copyright 1996 - 2001 Gary Henderson (gary.henderson@ntlworld.com) and
 *                           Jerremy Koot (jkoot@snes9x.com)
 *
 * Super FX C emulator code 
 * (c) Copyright 1997 - 1999 Ivar (ivar@snes9x.com) and
 *                           Gary Henderson.
 * Super FX assembler emulator code (c) Copyright 1998 zsKnight and _Demo_.
 *
 * DSP1 emulator code (c) Copyright 1998 Ivar, _Demo_ and Gary Henderson.
 * C4 asm and some C emulation code (c) Copyright 2000 zsKnight and _Demo_.
 * C4 C code (c) Copyright 2001 Gary Henderson (gary.henderson@ntlworld.com).
 *
 * DOS port code contains the works of other authors. See headers in
 * individual files.
 *
 * Snes9x homepage: http://www.snes9x.com
 *
 * Permission to use, copy, modify and distribute Snes9x in both binary and
 * source form, for non-commercial purposes, is hereby granted without fee,
 * providing that this license information and copyright notice appear with
 * all copies and any derived work.
 *
 * This software is provided 'as-is', without any express or implied
 * warranty. In no event shall the authors be held liable for any damages
 * arising from the use of this software.
 *
 * Snes9x is freeware for PERSONAL USE only. Commercial users should
 * seek permission of the copyright holders first. Commercial use includes
 * charging money for Snes9x or software derived from Snes9x.
 *
 * The copyright holders request that bug fixes and improvements to the code
 * should be forwarded to them so everyone can benefit from the modifications
 * in future versions.
 *
 * Super NES and Super Nintendo Entertainment System are trademarks of
 * Nintendo Co., Limited and its subsidiary companies.
 */
void S9xSPCDump (const char *filename)
{
    FILE *fs;

    bool8 read_only = FALSE;
    char def [PATH_MAX];
    char title [PATH_MAX];
    char drive [_MAX_DRIVE];
    char dir [_MAX_DIR];
    char ext [_MAX_EXT];

    S9xSetSoundMute (TRUE);

#if 0
    _splitpath (Memory.ROMFilename, drive, dir, def, ext);
    strcat (def, ".spc");
    sprintf (title, "%s SPC filename",
		read_only ? "Select load" : "Choose save");
    const char *filename;

    filename = S9xSelectFilename (def, ".", "spc", title);
#endif

    fs = fopen (filename, "wb");
    fputs ("SNES-SPC700 Sound File Data 0.10", fs);
    fseek (fs, 37, SEEK_SET);
    fwrite (&APURegisters.PC, 2, 1, fs);

    fputc (APURegisters.YA.B.A, fs);
    fputc (APURegisters.X, fs);
    fputc (APURegisters.YA.B.Y, fs);
    fputc (APURegisters.P, fs);
    fputc (APURegisters.S - 0x100, fs); // ???
    fseek (fs, 256, SEEK_SET);

    fwrite (IAPU.RAM, 1, 65536, fs);

    fwrite (APU.DSP, 1, 192, fs);
    fwrite (APU.ExtraRAM, 1, 64, fs);

    fclose (fs);

    S9xSetSoundMute (FALSE);
}