124 lines
3.0 KiB
C
124 lines
3.0 KiB
C
/*
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Copyright (C) 1997-2005 ZSNES Team ( zsKnight, _Demo_, pagefault, Nach )
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http://www.zsnes.com
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http://sourceforge.net/projects/zsnes
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later
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version.
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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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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., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifdef __LINUX__
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#include "gblhdr.h"
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#define DIR_SLASH "/"
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#else
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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 <zlib.h>
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#define DIR_SLASH "\\"
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#endif
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extern unsigned char ComboHeader[23], ComboBlHeader[23], GUIRAdd, GUIFName[256];
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extern unsigned char GUICName[256], GUIsmallscreenon, ScreenScale, TimeChecker;
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extern unsigned char GUIScreenScale, ShowTimer, ReCalib, cfgdontsave;
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extern unsigned char CombinDataGlob[3300];
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extern unsigned int PHnumGUIsave, smallscreenon, SnowTimer, NumSnow;
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extern unsigned int CalibXmin, CalibXmax, CalibYmin, CalibYmax, NumComboGlob;
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extern unsigned int CalibXmin209, CalibXmax209, CalibYmin209, CalibYmax209;
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unsigned char CalcCfgChecksum()
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{
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unsigned char *ptr = &GUIRAdd, i = 0;
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unsigned short chksum = 0;
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for (; i < 100 ; i++, ptr++) { chksum += *ptr; }
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chksum ^= 0xB2ED; // xor bx,1011001011101101b
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i = (chksum & 0x800) >> 8;
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chksum &= 0xF7FF; // and bh,0F7h
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if (chksum & 0x10) { chksum |= 0x800; }
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chksum &= 0xFFEF; // and bl,0EFh
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if (i) { chksum |= 0x10; }
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i = (chksum >> 8);
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return (((chksum & 0xFF) ^ i) | 0x80);
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}
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void GUIRestoreVars()
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{
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unsigned char read_cfg_vars(const char *);
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FILE *cfg_fp;
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read_cfg_vars(GUIFName);
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smallscreenon = (unsigned int)GUIsmallscreenon;
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ScreenScale = GUIScreenScale;
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if (TimeChecker == CalcCfgChecksum());
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{
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ShowTimer = 1;
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NumSnow = 200;
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SnowTimer = 0;
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}
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if (ReCalib)
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{
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ReCalib = 0;
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CalibXmin = CalibXmax = CalibYmin = CalibYmax = 0;
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CalibXmin209 = CalibXmax209 = CalibYmin209 = CalibYmax209 = 0;
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}
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NumComboGlob = 0;
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if ((cfg_fp = fopen(GUICName, "rb")))
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{
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fread(ComboBlHeader, 1, 23, cfg_fp);
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if (ComboBlHeader[22])
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{
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NumComboGlob = ComboBlHeader[22];
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fread(CombinDataGlob, 1, (NumComboGlob << 6)+2*NumComboGlob, cfg_fp);
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}
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fclose(cfg_fp);
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}
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}
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void ExecGUISaveVars()
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{
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unsigned char write_cfg_vars(const char *);
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FILE *cfg_fp;
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if (ShowTimer == 1) { TimeChecker = CalcCfgChecksum(); }
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if (!cfgdontsave)
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{
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write_cfg_vars(GUIFName);
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}
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if (NumComboGlob && (cfg_fp = fopen(GUICName, "wb")))
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{
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ComboHeader[22] = NumComboGlob;
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fwrite(ComboHeader, 1, 23, cfg_fp);
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fwrite(CombinDataGlob, 1, (NumComboGlob << 6)+2*NumComboGlob, cfg_fp);
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fclose(cfg_fp);
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}
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}
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