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103 lines
2.3 KiB
C++
Executable File
103 lines
2.3 KiB
C++
Executable File
/*
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* xpram_windows.cpp - XPRAM handling, Windows specific stuff
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*
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* Basilisk II (C) 1997-2008 Christian Bauer
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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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "sysdeps.h"
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#define WIN32_LEAN_AND_MEAN
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#include <windows.h>
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#include <string>
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using std::string;
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#include "xpram.h"
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// XPRAM file name and path
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#if POWERPC_ROM
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const char XPRAM_FILE_NAME[] = "SheepShaver_nvram.dat";
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#else
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const char XPRAM_FILE_NAME[] = "BasiliskII_xpram.dat";
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#endif
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static string xpram_path;
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/*
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* Construct XPRAM path
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*/
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static void build_xpram_path(void)
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{
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xpram_path.clear();
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int pwd_len = GetCurrentDirectory(0, NULL);
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char *pwd = new char[pwd_len];
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if (GetCurrentDirectory(pwd_len, pwd) == pwd_len - 1)
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xpram_path = string(pwd) + '\\';
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delete[] pwd;
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xpram_path += XPRAM_FILE_NAME;
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}
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/*
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* Load XPRAM from settings file
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*/
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void LoadXPRAM(const char *vmdir)
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{
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// Construct XPRAM path
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build_xpram_path();
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// Load XPRAM from settings file
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HANDLE fh = CreateFile(xpram_path.c_str(), GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0);
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if (fh != INVALID_HANDLE_VALUE) {
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DWORD bytesRead;
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ReadFile(fh, XPRAM, XPRAM_SIZE, &bytesRead, NULL);
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CloseHandle(fh);
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}
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}
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/*
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* Save XPRAM to settings file
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*/
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void SaveXPRAM(void)
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{
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HANDLE fh = CreateFile(xpram_path.c_str(), GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, 0);
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if (fh != INVALID_HANDLE_VALUE) {
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DWORD bytesWritten;
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WriteFile(fh, XPRAM, XPRAM_SIZE, &bytesWritten, NULL);
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CloseHandle(fh);
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}
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}
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/*
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* Delete PRAM file
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*/
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void ZapPRAM(void)
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{
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// Construct PRAM path
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build_xpram_path();
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// Delete file
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DeleteFile(xpram_path.c_str());
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}
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