dos2unix

svn path=/trunk/externals/zexy/; revision=8977

1 files changed, 127 insertions, 127 deletions

diff --git a/src/winNT_portio.c b/src/winNT_portio.c
index f06b997..83fe89e 100644
--- a/src/winNT_portio.c
+++ b/src/winNT_portio.c
@@ -1,127 +1,127 @@
-/*

- * this is a wrapper for the cor port i/o functions for WinNT/2000/XP.

- * this is to be replaced by some functions that are platform/interface

- * specific to access the data lines.

- * for now, this is only for parport access, but in future there will be a way

- * to plug this on the usb bus.

- * if the interface changes, only this file has to be adopted for the target system

- */

-#if defined __WIN32__ && defined Z_WANT_LPT

-

-#include <stdio.h>

-#include <windows.h>

-

-int read_parport(int port);

-void write_parport(int port, int value);

-int open_port(int port);

-

-static BOOL bPrivException = FALSE;

-

-int read_parport(int port)

-{

-	// byte = _inp((unsigned short)port);

-	unsigned char value;

-#ifdef _MSC_VER

-	__asm mov edx,port

-	__asm in al,dx

-	__asm mov value,al

-#else

-    // hmm, i should read some documentation about inline assembler

-    post("lpt: cannot read from parport (recompile!)");

-        return 0;

-#endif

-	return (int)value;

-}

-

-void write_parport(int port, int invalue)

-{

-  // _outp((unsigned short)port, value);

-  BYTE value = (BYTE)invalue;

-#ifdef _MSC_VER

-  __asm mov edx,port

-  __asm mov al,value

-  __asm out dx,al

-#else

-    // hmm, i should read some documentation about inline assembler

-    // and probably about assembler in general...

-    post("lpt: cannot write to parport (recompile!)");

-    /*

-    asm(

-        "mov %%edx,%0\n"

-        "mov %%al,%1\n"

-        "out %%dx,%%al\n"

-        :

-        : "a"(port),"b"(value)

-        );

-    */

-#endif

-}

-

-static LONG WINAPI HandlerExceptionFilter ( EXCEPTION_POINTERS *pExPtrs )

-{

-

-	if (pExPtrs->ExceptionRecord->ExceptionCode == EXCEPTION_PRIV_INSTRUCTION)

-	{

-		pExPtrs->ContextRecord->Eip ++; // Skip the OUT or IN instruction that caused the exception

-		bPrivException = TRUE;

-		return EXCEPTION_CONTINUE_EXECUTION;

-	}

-	else

-		return EXCEPTION_CONTINUE_SEARCH;

-}

-

-static BOOL StartUpIoPorts(UINT PortToAccess, BOOL bShowMessageBox, HWND hParentWnd)

-{

-	HANDLE hUserPort;

-

-	hUserPort = CreateFile("\\\\.\\UserPort", GENERIC_READ, 0, NULL,OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);

-	CloseHandle(hUserPort); // Activate the driver

-	Sleep(100); // We must make a process switch

-

-	SetUnhandledExceptionFilter(HandlerExceptionFilter);

-	

-	bPrivException = FALSE;

-	read_parport(PortToAccess);  // Try to access the given port address

-

-	if (bPrivException)

-	{

-		if (bShowMessageBox)

-		{

-#if 0

-    		MessageBox(hParentWnd,"Privileged instruction exception has occured!\r\n\r\n"

-								  "To use this external under Windows NT, 2000 or XP\r\n"

-								  "you need to install the driver 'UserPort.sys' and grant\r\n"

-								  "access to the ports used by this program.\r\n\r\n"

-								  "See the file README for further information!\r\n", NULL, MB_OK);

-#endif

-		}

-		return FALSE;

-	}

-	return TRUE;

-}

-	/* check if we are running NT/2k/XP */

-static int IsWinNT(void)

-{

-	OSVERSIONINFO OSVersionInfo;

-	OSVersionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);

-

-	GetVersionEx(&OSVersionInfo);

-

-	return OSVersionInfo.dwPlatformId == VER_PLATFORM_WIN32_NT;

-}

-

-	/* open parport */

-int open_port(int port)

-{

-	if(IsWinNT())	/* we are under NT and need kernel driver */

-	{

-		if(StartUpIoPorts(port, 1, 0))

-			return(0);

-		return(-1);

-	}

-	else	/* no need to use kernel driver */

-	{

-		return(0);

-	}

-}

-#endif /* __WIN32__ & Z_WANT_LPT */

+/*
+ * this is a wrapper for the cor port i/o functions for WinNT/2000/XP.
+ * this is to be replaced by some functions that are platform/interface
+ * specific to access the data lines.
+ * for now, this is only for parport access, but in future there will be a way
+ * to plug this on the usb bus.
+ * if the interface changes, only this file has to be adopted for the target system
+ */
+#if defined __WIN32__ && defined Z_WANT_LPT
+
+#include <stdio.h>
+#include <windows.h>
+
+int read_parport(int port);
+void write_parport(int port, int value);
+int open_port(int port);
+
+static BOOL bPrivException = FALSE;
+
+int read_parport(int port)
+{
+	// byte = _inp((unsigned short)port);
+	unsigned char value;
+#ifdef _MSC_VER
+	__asm mov edx,port
+	__asm in al,dx
+	__asm mov value,al
+#else
+    // hmm, i should read some documentation about inline assembler
+    post("lpt: cannot read from parport (recompile!)");
+        return 0;
+#endif
+	return (int)value;
+}
+
+void write_parport(int port, int invalue)
+{
+  // _outp((unsigned short)port, value);
+  BYTE value = (BYTE)invalue;
+#ifdef _MSC_VER
+  __asm mov edx,port
+  __asm mov al,value
+  __asm out dx,al
+#else
+    // hmm, i should read some documentation about inline assembler
+    // and probably about assembler in general...
+    post("lpt: cannot write to parport (recompile!)");
+    /*
+    asm(
+        "mov %%edx,%0\n"
+        "mov %%al,%1\n"
+        "out %%dx,%%al\n"
+        :
+        : "a"(port),"b"(value)
+        );
+    */
+#endif
+}
+
+static LONG WINAPI HandlerExceptionFilter ( EXCEPTION_POINTERS *pExPtrs )
+{
+
+	if (pExPtrs->ExceptionRecord->ExceptionCode == EXCEPTION_PRIV_INSTRUCTION)
+	{
+		pExPtrs->ContextRecord->Eip ++; // Skip the OUT or IN instruction that caused the exception
+		bPrivException = TRUE;
+		return EXCEPTION_CONTINUE_EXECUTION;
+	}
+	else
+		return EXCEPTION_CONTINUE_SEARCH;
+}
+
+static BOOL StartUpIoPorts(UINT PortToAccess, BOOL bShowMessageBox, HWND hParentWnd)
+{
+	HANDLE hUserPort;
+
+	hUserPort = CreateFile("\\\\.\\UserPort", GENERIC_READ, 0, NULL,OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
+	CloseHandle(hUserPort); // Activate the driver
+	Sleep(100); // We must make a process switch
+
+	SetUnhandledExceptionFilter(HandlerExceptionFilter);
+	
+	bPrivException = FALSE;
+	read_parport(PortToAccess);  // Try to access the given port address
+
+	if (bPrivException)
+	{
+		if (bShowMessageBox)
+		{
+#if 0
+    		MessageBox(hParentWnd,"Privileged instruction exception has occured!\r\n\r\n"
+								  "To use this external under Windows NT, 2000 or XP\r\n"
+								  "you need to install the driver 'UserPort.sys' and grant\r\n"
+								  "access to the ports used by this program.\r\n\r\n"
+								  "See the file README for further information!\r\n", NULL, MB_OK);
+#endif
+		}
+		return FALSE;
+	}
+	return TRUE;
+}
+	/* check if we are running NT/2k/XP */
+static int IsWinNT(void)
+{
+	OSVERSIONINFO OSVersionInfo;
+	OSVersionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
+
+	GetVersionEx(&OSVersionInfo);
+
+	return OSVersionInfo.dwPlatformId == VER_PLATFORM_WIN32_NT;
+}
+
+	/* open parport */
+int open_port(int port)
+{
+	if(IsWinNT())	/* we are under NT and need kernel driver */
+	{
+		if(StartUpIoPorts(port, 1, 0))
+			return(0);
+		return(-1);
+	}
+	else	/* no need to use kernel driver */
+	{
+		return(0);
+	}
+}
+#endif /* __WIN32__ & Z_WANT_LPT */