static CONST DWORD MemoryBase[] = { 0xA0000, 0xA0000, 0xB0000, 0xB8000 };
static CONST DWORD MemoryLimit[] = { 0xAFFFF, 0xAFFFF, 0xB7FFF, 0xBFFFF };
+/*
+ * Activate this line if you want to use the real
+ * RegisterConsoleVDM API of ReactOS/Windows.
+ */
+// #define USE_REAL_REGISTERCONSOLEVDM
+
#define USE_REACTOS_COLORS
// #define USE_DOSBOX_COLORS
/* Graphics mode */
static HANDLE GraphicsConsoleBuffer = NULL;
static HANDLE ConsoleMutex = NULL;
-static BOOLEAN DoubleVision = FALSE;
+/* DoubleVision support */
+static BOOLEAN DoubleWidth = FALSE;
+static BOOLEAN DoubleHeight = FALSE;
/*
* VGA Hardware
#include <ntddvdeo.h>
-typedef
-BOOL
-(WINAPI *pRegisterConsoleVDM)
-(
- BOOL IsDosVDM_flag,
- HANDLE EventHandle_1,
- HANDLE EventHandle_2,
- HANDLE EventHandle_3,
- int Unused1,
- PVOID returned_val_1,
- PVOID *returned_val_2,
- PVOID lpUnknownBuffer,
- DWORD theUnknownBufferLength,
- COORD theVDMBufferSize,
- PCHAR *lpVDMBuffer
-);
-
-#if 0
-BOOL
-WINAPI
-RegisterConsoleVDM
-(
- BOOL IsDosVDM_flag,
- HANDLE EventHandle_1,
- HANDLE EventHandle_2,
- HANDLE EventHandle_3,
- int Unused1,
- PVOID returned_val_1,
- PVOID *returned_val_2,
- PVOID lpUnknownBuffer,
- DWORD theUnknownBufferLength,
- COORD theVDMBufferSize,
- PVOID *lpVDMBuffer
-);
-
-HMODULE hKernel32 = NULL;
-pRegisterConsoleVDM RegisterConsoleVDM = NULL;
-#endif
+#ifdef USE_REAL_REGISTERCONSOLEVDM
+
+#define __RegisterConsoleVDM RegisterConsoleVDM
+#define __InvalidateConsoleDIBits InvalidateConsoleDIBits
+
+#else
/*
* This private buffer, per-console, is used by
BOOL
WINAPI
-__RegisterConsoleVDM(BOOL IsDosVDM_flag,
- HANDLE EventHandle_1,
- HANDLE EventHandle_2,
- HANDLE EventHandle_3,
- int Unused1,
- PVOID returned_val_1,
- PVOID *returned_val_2,
- PVOID lpUnknownBuffer,
- DWORD theUnknownBufferLength,
- COORD theVDMBufferSize,
- PCHAR *lpVDMBuffer)
+__RegisterConsoleVDM(IN DWORD dwRegisterFlags,
+ IN HANDLE hStartHardwareEvent,
+ IN HANDLE hEndHardwareEvent,
+ IN HANDLE hErrorHardwareEvent,
+ IN DWORD dwUnusedVar,
+ OUT LPDWORD lpVideoStateLength,
+ OUT PVOID* lpVideoState, // PVIDEO_HARDWARE_STATE_HEADER*
+ IN PVOID lpUnusedBuffer,
+ IN DWORD dwUnusedBufferLength,
+ IN COORD dwVDMBufferSize,
+ OUT PVOID* lpVDMBuffer)
{
- UNREFERENCED_PARAMETER(EventHandle_3);
- UNREFERENCED_PARAMETER(Unused1);
- UNREFERENCED_PARAMETER(returned_val_1);
- UNREFERENCED_PARAMETER(returned_val_2);
- UNREFERENCED_PARAMETER(lpUnknownBuffer);
- UNREFERENCED_PARAMETER(theUnknownBufferLength);
+ UNREFERENCED_PARAMETER(hErrorHardwareEvent);
+ UNREFERENCED_PARAMETER(dwUnusedVar);
+ UNREFERENCED_PARAMETER(lpVideoStateLength);
+ UNREFERENCED_PARAMETER(lpVideoState);
+ UNREFERENCED_PARAMETER(lpUnusedBuffer);
+ UNREFERENCED_PARAMETER(dwUnusedBufferLength);
SetLastError(0);
- DPRINT1("__RegisterConsoleVDM(%d)\n", IsDosVDM_flag);
+ DPRINT1("__RegisterConsoleVDM(%d)\n", dwRegisterFlags);
if (lpVDMBuffer == NULL) return FALSE;
- if (IsDosVDM_flag)
+ if (dwRegisterFlags != 0)
{
- // if (EventHandle_1 == NULL || EventHandle_2 == NULL) return FALSE;
+ // if (hStartHardwareEvent == NULL || hEndHardwareEvent == NULL) return FALSE;
if (VDMBuffer != NULL) return FALSE;
- VDMBufferSize = theVDMBufferSize;
+ VDMBufferSize = dwVDMBufferSize;
/* HACK: Cache -- to be removed in the real implementation */
CharBuff = HeapAlloc(GetProcessHeap(),
HEAP_ZERO_MEMORY,
- theVDMBufferSize.X * theVDMBufferSize.Y
- * sizeof(CHAR_INFO));
+ VDMBufferSize.X * VDMBufferSize.Y
+ * sizeof(CHAR_INFO));
ASSERT(CharBuff);
VDMBuffer = HeapAlloc(GetProcessHeap(),
HEAP_ZERO_MEMORY,
- theVDMBufferSize.X * theVDMBufferSize.Y
- * sizeof(CHAR_CELL));
- *lpVDMBuffer = (PCHAR)VDMBuffer;
+ VDMBufferSize.X * VDMBufferSize.Y
+ * sizeof(CHAR_CELL));
+ *lpVDMBuffer = VDMBuffer;
return (VDMBuffer != NULL);
}
else
return InvalidateConsoleDIBits(hConsoleOutput, lpRect);
}
+#endif
+
/* PRIVATE FUNCTIONS **********************************************************/
static inline DWORD VgaGetAddressSize(VOID);
ULONG Length = 0;
PVIDEO_HARDWARE_STATE_HEADER State;
+#ifdef USE_REAL_REGISTERCONSOLEVDM
+ PCHAR_INFO CharBuff = NULL;
+#endif
SHORT i, j;
DWORD AddressSize, ScanlineSize;
DWORD Address = 0;
/*
* Windows 2k3 winsrv.dll calls NtVdmControl(VdmQueryVdmProcess == 14, &ConsoleHandle);
* in the two following APIs:
- * SrvRegisterConsoleVDM (corresponding win32 API: RegisterConsoleVDM)
+ * SrvRegisterConsoleVDM (corresponding Win32 API: RegisterConsoleVDM)
* SrvVDMConsoleOperation (corresponding Win32 API: )
* to check whether the current process is a VDM process, and fails otherwise with the
* error 0xC0000022 ().
NULL,
0,
TextResolution,
- (PCHAR*)&TextFramebuffer);
+ (PVOID*)&TextFramebuffer);
if (!Success)
{
DisplayMessage(L"RegisterConsoleVDM failed with error %d\n", GetLastError());
return FALSE;
}
+#ifdef USE_REAL_REGISTERCONSOLEVDM
+ CharBuff = HeapAlloc(GetProcessHeap(),
+ HEAP_ZERO_MEMORY,
+ TextResolution.X * TextResolution.Y
+ * sizeof(CHAR_INFO));
+ ASSERT(CharBuff);
+#endif
+
/*
* Resize the console
*/
Address += ScanlineSize;
}
+#ifdef USE_REAL_REGISTERCONSOLEVDM
+ if (CharBuff) HeapFree(GetProcessHeap(), 0, CharBuff);
+#endif
+
VgaUpdateCursorPosition();
return TRUE;
return Result;
}
+static VOID VgaSetActiveScreenBuffer(HANDLE ScreenBuffer)
+{
+ /* Set the active buffer */
+ SetConsoleActiveScreenBuffer(ScreenBuffer);
+
+ /* Reinitialize the VDM menu */
+ DestroyVdmMenu();
+ CreateVdmMenu(ScreenBuffer);
+}
+
static BOOL VgaEnterGraphicsMode(PCOORD Resolution)
{
DWORD i;
LONG Height = Resolution->Y;
/* Use DoubleVision mode if the resolution is too small */
- if (Width < VGA_MINIMUM_WIDTH && Height < VGA_MINIMUM_HEIGHT)
- {
- DoubleVision = TRUE;
- Width *= 2;
- Height *= 2;
- }
- else
- {
- DoubleVision = FALSE;
- }
+ DoubleWidth = (Width < VGA_MINIMUM_WIDTH);
+ if (DoubleWidth) Width *= 2;
+ DoubleHeight = (Height < VGA_MINIMUM_HEIGHT);
+ if (DoubleHeight) Height *= 2;
/* Fill the bitmap info header */
- ZeroMemory(&BitmapInfo->bmiHeader, sizeof(BITMAPINFOHEADER));
- BitmapInfo->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
+ RtlZeroMemory(&BitmapInfo->bmiHeader, sizeof(BitmapInfo->bmiHeader));
+ BitmapInfo->bmiHeader.biSize = sizeof(BitmapInfo->bmiHeader);
BitmapInfo->bmiHeader.biWidth = Width;
BitmapInfo->bmiHeader.biHeight = Height;
BitmapInfo->bmiHeader.biBitCount = 8;
ConsoleMutex = GraphicsBufferInfo.hMutex;
/* Clear the framebuffer */
- ZeroMemory(ConsoleFramebuffer, BitmapInfo->bmiHeader.biSizeImage);
+ RtlZeroMemory(ConsoleFramebuffer, BitmapInfo->bmiHeader.biSizeImage);
/* Set the active buffer */
- SetConsoleActiveScreenBuffer(GraphicsConsoleBuffer);
+ VgaSetActiveScreenBuffer(GraphicsConsoleBuffer);
/* Set the graphics mode palette */
SetConsolePalette(GraphicsConsoleBuffer,
ReleaseMutex(ConsoleMutex);
/* Switch back to the default console text buffer */
- // SetConsoleActiveScreenBuffer(TextConsoleBuffer);
+ // VgaSetActiveScreenBuffer(TextConsoleBuffer);
/* Cleanup the video data */
CloseHandle(ConsoleMutex);
ConsoleFramebuffer = NULL;
CloseHandle(GraphicsConsoleBuffer);
GraphicsConsoleBuffer = NULL;
- DoubleVision = FALSE;
+
+ DoubleWidth = FALSE;
+ DoubleHeight = FALSE;
}
static BOOL VgaEnterTextMode(PCOORD Resolution)
DPRINT1("VgaEnterTextMode\n");
/* Switch to the text buffer */
- SetConsoleActiveScreenBuffer(TextConsoleBuffer);
+ VgaSetActiveScreenBuffer(TextConsoleBuffer);
/* Adjust the text framebuffer if we changed the resolution */
if (TextResolution.X != Resolution->X ||
/* Enter new text mode */
if (!VgaEnterTextMode(&Resolution))
{
- DisplayMessage(L"An unexpected VGA error occurred while switching into text mode.");
+ DisplayMessage(L"An unexpected VGA error occurred while switching into text mode. Error: %u", GetLastError());
EmulatorTerminate();
return;
}
/* Enter graphics mode */
if (!VgaEnterGraphicsMode(&Resolution))
{
- DisplayMessage(L"An unexpected VGA error occurred while switching into graphics mode.");
+ DisplayMessage(L"An unexpected VGA error occurred while switching into graphics mode. Error: %u", GetLastError());
EmulatorTerminate();
return;
}
}
/* Take into account DoubleVision mode when checking for pixel updates */
- if (DoubleVision)
+ if (DoubleWidth && DoubleHeight)
{
/* Now check if the resulting pixel data has changed */
- if (GraphicsBuffer[(i * Resolution.X * 4) + (j * 2)] != PixelData)
+ if (GraphicsBuffer[(i * 2 * Resolution.X * 2) + (j * 2)] != PixelData)
{
/* Yes, write the new value */
- GraphicsBuffer[(i * Resolution.X * 4) + (j * 2)] = PixelData;
- GraphicsBuffer[(i * Resolution.X * 4) + (j * 2 + 1)] = PixelData;
+ GraphicsBuffer[(i * 2 * Resolution.X * 2) + (j * 2)] = PixelData;
+ GraphicsBuffer[(i * 2 * Resolution.X * 2) + (j * 2 + 1)] = PixelData;
GraphicsBuffer[((i * 2 + 1) * Resolution.X * 2) + (j * 2)] = PixelData;
GraphicsBuffer[((i * 2 + 1) * Resolution.X * 2) + (j * 2 + 1)] = PixelData;
VgaMarkForUpdate(i, j);
}
}
- else
+ else if (DoubleWidth && !DoubleHeight)
+ {
+ /* Now check if the resulting pixel data has changed */
+ if (GraphicsBuffer[(i * Resolution.X * 2) + (j * 2)] != PixelData)
+ {
+ /* Yes, write the new value */
+ GraphicsBuffer[(i * Resolution.X * 2) + (j * 2)] = PixelData;
+ GraphicsBuffer[(i * Resolution.X * 2) + (j * 2 + 1)] = PixelData;
+
+ /* Mark the specified pixel as changed */
+ VgaMarkForUpdate(i, j);
+ }
+ }
+ else if (!DoubleWidth && DoubleHeight)
+ {
+ /* Now check if the resulting pixel data has changed */
+ if (GraphicsBuffer[(i * 2 * Resolution.X) + j] != PixelData)
+ {
+ /* Yes, write the new value */
+ GraphicsBuffer[(i * 2 * Resolution.X) + j] = PixelData;
+ GraphicsBuffer[((i * 2 + 1) * Resolution.X) + j] = PixelData;
+
+ /* Mark the specified pixel as changed */
+ VgaMarkForUpdate(i, j);
+ }
+ }
+ else // if (!DoubleWidth && !DoubleHeight)
{
/* Now check if the resulting pixel data has changed */
if (GraphicsBuffer[i * Resolution.X + j] != PixelData)
ConsoleBufferHandle = GraphicsConsoleBuffer;
/* In DoubleVision mode, scale the update rectangle */
- if (DoubleVision)
+ if (DoubleWidth)
{
UpdateRectangle.Left *= 2;
- UpdateRectangle.Top *= 2;
- UpdateRectangle.Right = UpdateRectangle.Right * 2 + 1;
+ UpdateRectangle.Right = UpdateRectangle.Right * 2 + 1;
+ }
+ if (DoubleHeight)
+ {
+ UpdateRectangle.Top *= 2;
UpdateRectangle.Bottom = UpdateRectangle.Bottom * 2 + 1;
}
}
VOID VgaClearMemory(VOID)
{
- ZeroMemory(VgaMemory, sizeof(VgaMemory));
+ RtlZeroMemory(VgaMemory, sizeof(VgaMemory));
}
VOID VgaResetPalette(VOID)
PaletteChanged = TRUE;
}
+VOID VgaWriteFont(UINT FontNumber, CONST UCHAR *FontData, UINT Height)
+{
+ UINT i, j;
+ PUCHAR FontMemory = (PUCHAR)&VgaMemory[VGA_BANK_SIZE * VGA_FONT_BANK + (FontNumber * VGA_FONT_SIZE)];
+ ASSERT(Height <= VGA_MAX_FONT_HEIGHT);
+ for (i = 0 ; i < VGA_FONT_CHARACTERS; i++)
+ {
+ /* Write the character */
+ for (j = 0; j < Height; j++)
+ {
+ FontMemory[i * VGA_MAX_FONT_HEIGHT + j] = FontData[i * Height + j];
+ }
+
+ /* Clear the unused part */
+ for (j = Height; j < VGA_MAX_FONT_HEIGHT; j++)
+ {
+ FontMemory[i * VGA_MAX_FONT_HEIGHT + j] = 0;
+ }
+ }
+}
+
+VOID ScreenEventHandler(PWINDOW_BUFFER_SIZE_RECORD ScreenEvent)
+{
+ DPRINT1("Screen events not handled\n");
+}
BOOL VgaAttachToConsole(VOID)
{
NULL,
0,
dummySize,
- (PCHAR*)&dummyPtr);
+ &dummyPtr);
TextFramebuffer = NULL;
SMALL_RECT ConRect;
/* Restore the old screen buffer */
- SetConsoleActiveScreenBuffer(TextConsoleBuffer);
+ VgaSetActiveScreenBuffer(TextConsoleBuffer);
/* Restore the original console size */
ConRect.Left = 0;
/***/ VgaResetPalette(); /***/
/* Switch to the text buffer */
- SetConsoleActiveScreenBuffer(TextConsoleBuffer);
+ VgaSetActiveScreenBuffer(TextConsoleBuffer);
/* Clear the VGA memory */
VgaClearMemory();
CloseHandle(AnotherEvent);
CloseHandle(EndEvent);
CloseHandle(StartEvent);
-
-#if 0
- RegisterConsoleVDM = NULL;
- FreeLibrary(hKernel32);
-#endif
}
/* EOF */