From e813acfeabecaac338cbd22f772c916246dee058 Mon Sep 17 00:00:00 2001
From: gbeauche <>
Date: Mon, 29 Nov 2004 22:43:22 +0000
Subject: [PATCH] native win32 XPRAM handling for both Basilisk II and
 SheepShaver

---
 BasiliskII/src/Windows/xpram_windows.cpp | 102 +++++++++++++++++++++++
 1 file changed, 102 insertions(+)
 create mode 100755 BasiliskII/src/Windows/xpram_windows.cpp

diff --git a/BasiliskII/src/Windows/xpram_windows.cpp b/BasiliskII/src/Windows/xpram_windows.cpp
new file mode 100755
index 00000000..6d20d904
--- /dev/null
+++ b/BasiliskII/src/Windows/xpram_windows.cpp
@@ -0,0 +1,102 @@
+/*
+ *  xpram_windows.cpp - XPRAM handling, Windows specific stuff
+ *
+ *  Basilisk II (C) 1997-2004 Christian Bauer
+ *
+ *  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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include "sysdeps.h"
+
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
+
+#include <string>
+using std::string;
+
+#include "xpram.h"
+
+
+// XPRAM file name and path
+#if POWERPC_ROM
+const char XPRAM_FILE_NAME[] = "SheepShaver_nvram.dat";
+#else
+const char XPRAM_FILE_NAME[] = "BasiliskII_xpram.dat";
+#endif
+static string xpram_path;
+
+
+/*
+ *  Construct XPRAM path
+ */
+
+static void build_xpram_path(void)
+{
+	xpram_path.clear();
+	int pwd_len = GetCurrentDirectory(0, NULL);
+	char *pwd = new char[pwd_len];
+	if (GetCurrentDirectory(pwd_len, pwd) == pwd_len - 1)
+		xpram_path = string(pwd) + '\\';
+	delete[] pwd;
+	xpram_path += XPRAM_FILE_NAME;
+}
+
+
+/*
+ *  Load XPRAM from settings file
+ */
+
+void LoadXPRAM(void)
+{
+	// Construct XPRAM path
+	build_xpram_path();
+
+	// Load XPRAM from settings file
+	HANDLE fh = CreateFile(xpram_path.c_str(), GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0);
+	if (fh != INVALID_HANDLE_VALUE) {
+		DWORD bytesRead;
+		ReadFile(fh, XPRAM, XPRAM_SIZE, &bytesRead, NULL);
+		CloseHandle(fh);
+	}
+}
+
+
+/*
+ *  Save XPRAM to settings file
+ */
+
+void SaveXPRAM(void)
+{
+	HANDLE fh = CreateFile(xpram_path.c_str(), GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, 0);
+	if (fh != INVALID_HANDLE_VALUE) {
+		DWORD bytesWritten;
+		WriteFile(fh, XPRAM, XPRAM_SIZE, &bytesWritten, NULL);
+		CloseHandle(fh);
+	}
+}
+
+
+/*
+ *  Delete PRAM file
+ */
+
+void ZapPRAM(void)
+{
+	// Construct PRAM path
+	build_xpram_path();
+
+	// Delete file
+	DeleteFile(xpram_path.c_str());
+}