152 lines
3.3 KiB
C
152 lines
3.3 KiB
C
/* FCE Ultra - NES/Famicom Emulator
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*
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* Copyright notice for this file:
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* Copyright (C) 2002 Xodnizel
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdarg.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#ifdef _WIN32
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#include <direct.h>
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#else
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#include <unistd.h>
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#endif
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#include "fceu-types.h"
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#include "fceu.h"
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#include "general.h"
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#include "state.h"
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#include "driver.h"
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#include "md5.h"
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static char BaseDirectory[2048];
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static char FileBase[2048];
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static char FileExt[2048]; /* Includes the . character, as in ".nes" */
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static char FileBaseDirectory[2048];
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void FCEUI_SetBaseDirectory(char *dir)
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{
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strncpy(BaseDirectory, dir, 2047);
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BaseDirectory[2047] = 0;
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}
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static char *odirs[FCEUIOD__COUNT] = { 0, 0, 0, 0, 0, 0 }; // odirs, odors. ^_^
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void FCEUI_SetDirOverride(int which, char *n)
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{
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odirs[which] = n;
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/* Rebuild cache of present states/movies. */
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if (GameInfo)
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{
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if (which == FCEUIOD_STATE)
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FCEUSS_CheckStates();
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}
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}
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char *FCEU_MakeFName(int type, int id1, char *cd1)
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{
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struct stat tmpstat;
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char tmp[2048] = {0};
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char *ret = 0;
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switch (type)
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{
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case FCEUMKF_GGROM:
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sprintf(tmp, "%s"PSS "gg.rom", BaseDirectory);
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break;
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case FCEUMKF_FDSROM:
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sprintf(tmp, "%s"PSS "disksys.rom", BaseDirectory);
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break;
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case FCEUMKF_PALETTE:
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if (odirs[FCEUIOD_MISC])
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sprintf(tmp, "%s"PSS "%s.pal", odirs[FCEUIOD_MISC], FileBase);
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else
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sprintf(tmp, "%s"PSS "gameinfo"PSS "%s.pal", BaseDirectory, FileBase);
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break;
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default:
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break;
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}
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ret = (char*)malloc(strlen(tmp) * sizeof(char));
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strncpy(ret, tmp, strlen(tmp));
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return(ret);
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}
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void GetFileBase(const char *f)
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{
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const char *tp1, *tp3;
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#if PSS_STYLE == 4
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tp1 = ((char*)strrchr(f, ':'));
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#elif PSS_STYLE == 1
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tp1 = ((char*)strrchr(f, '/'));
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#else
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tp1 = ((char*)strrchr(f, '\\'));
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#if PSS_STYLE != 3
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tp3 = ((char*)strrchr(f, '/'));
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if (tp1 < tp3) tp1 = tp3;
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#endif
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#endif
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if (!tp1)
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{
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tp1 = f;
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strcpy(FileBaseDirectory, ".");
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}
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else
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{
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memcpy(FileBaseDirectory, f, tp1 - f);
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FileBaseDirectory[tp1 - f] = 0;
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tp1++;
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}
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if (((tp3 = strrchr(f, '.')) != NULL) && (tp3 > tp1))
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{
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memcpy(FileBase, tp1, tp3 - tp1);
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FileBase[tp3 - tp1] = 0;
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strcpy(FileExt, tp3);
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}
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else
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{
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strcpy(FileBase, tp1);
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FileExt[0] = 0;
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}
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}
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uint32 uppow2(uint32 n)
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{
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int x;
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for (x = 31; x >= 0; x--)
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if (n & (1 << x))
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{
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if ((1 << x) != n)
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return(1 << (x + 1));
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break;
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}
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return n;
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}
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