[aandrejevic] 59460: [NTVDM] Implement the IOCTL command in VDM DOS. Rewrite the BIOS video pages support to use only one console buffer (not yet complete). Fix the BIOS video mode table and severa...
13 Jul
2013
13 Jul
'13
1:58 a.m.
Author: aandrejevic
Date: Sat Jul 13 01:56:36 2013
New Revision: 59460
URL: http://svn.reactos.org/svn/reactos?rev=59460&view=rev
Log:
[NTVDM]
Implement the IOCTL command in VDM DOS.
Rewrite the BIOS video pages support to use only one console buffer (not yet complete).
Fix the BIOS video mode table and several bugs in video functions.
Modified:
branches/ntvdm/subsystems/ntvdm/bios.c
branches/ntvdm/subsystems/ntvdm/bios.h
branches/ntvdm/subsystems/ntvdm/dos.c
Modified: branches/ntvdm/subsystems/ntvdm/bios.c
URL:
http://svn.reactos.org/svn/reactos/branches/ntvdm/subsystems/ntvdm/bios.c?r…
==============================================================================
--- branches/ntvdm/subsystems/ntvdm/bios.c [iso-8859-1] (original)
+++ branches/ntvdm/subsystems/ntvdm/bios.c [iso-8859-1] Sat Jul 13 01:56:36 2013
@@ -26,58 +26,46 @@
static HANDLE BiosConsoleOutput = INVALID_HANDLE_VALUE;
static BYTE CurrentVideoMode = BIOS_DEFAULT_VIDEO_MODE;
static BYTE CurrentVideoPage = 0;
-static HANDLE ConsoleBuffers[BIOS_MAX_PAGES] = { NULL };
-static LPVOID ConsoleFramebuffers[BIOS_MAX_PAGES] = { NULL };
-static HANDLE ConsoleMutexes[BIOS_MAX_PAGES] = { NULL };
+static COORD BiosCursorPositions[BIOS_MAX_PAGES];
+static HANDLE BiosGraphicsOutput = NULL;
+static LPVOID ConsoleFramebuffer = NULL;
+static HANDLE ConsoleMutex = NULL;
static BOOLEAN VideoNeedsUpdate = TRUE;
static SMALL_RECT UpdateRectangle = { 0, 0, 0, 0 };
static CONSOLE_SCREEN_BUFFER_INFO BiosSavedBufferInfo;
static VIDEO_MODE VideoModes[] =
{
- /* Width | Height | Text | Colors | Gray | Pages | Segment */
+ /* Width | Height | Text | Bpp | Gray | Pages | Segment */
{ 40, 25, TRUE, 16, TRUE, 8, 0xB800}, /* Mode 00h */
{ 40, 25, TRUE, 16, FALSE, 8, 0xB800}, /* Mode 01h */
{ 80, 25, TRUE, 16, TRUE, 8, 0xB800}, /* Mode 02h */
{ 80, 25, TRUE, 16, FALSE, 8, 0xB800}, /* Mode 03h */
- { 320, 200, FALSE, 4, FALSE, 4, 0xB800}, /* Mode 04h */
- { 320, 200, FALSE, 4, TRUE, 4, 0xB800}, /* Mode 05h */
- { 640, 200, FALSE, 2, FALSE, 2, 0xB800}, /* Mode 06h */
- { 80, 25, TRUE, 3, FALSE, 1, 0xB000}, /* Mode 07h */
+ { 320, 200, FALSE, 2, FALSE, 1, 0xB800}, /* Mode 04h */
+ { 320, 200, FALSE, 2, TRUE, 1, 0xB800}, /* Mode 05h */
+ { 640, 200, FALSE, 1, FALSE, 1, 0xB800}, /* Mode 06h */
+ { 80, 25, TRUE, 8, FALSE, 1, 0xB000}, /* Mode 07h */
{ 0, 0, FALSE, 0, FALSE, 0, 0x0000}, /* Mode 08h - not used
*/
{ 0, 0, FALSE, 0, FALSE, 0, 0x0000}, /* Mode 09h - not used
*/
{ 0, 0, FALSE, 0, FALSE, 0, 0x0000}, /* Mode 0Ah - not used
*/
{ 0, 0, FALSE, 0, FALSE, 0, 0x0000}, /* Mode 0Bh - not used
*/
{ 0, 0, FALSE, 0, FALSE, 0, 0x0000}, /* Mode 0Ch - not used
*/
- { 320, 200, FALSE, 16, FALSE, 8, 0xA000}, /* Mode 0Dh */
- { 640, 200, FALSE, 16, FALSE, 4, 0xA000}, /* Mode 0Eh */
- { 640, 350, FALSE, 3, FALSE, 2, 0xA000}, /* Mode 0Fh */
- { 640, 350, FALSE, 4, FALSE, 2, 0xA000}, /* Mode 10h */
- { 640, 480, FALSE, 2, FALSE, 1, 0xA000}, /* Mode 11h */
- { 640, 480, FALSE, 16, FALSE, 1, 0xA000}, /* Mode 12h */
- { 640, 480, FALSE, 256, FALSE, 1, 0xA000} /* Mode 13h */
+ { 320, 200, FALSE, 4, FALSE, 1, 0xA000}, /* Mode 0Dh */
+ { 640, 200, FALSE, 4, FALSE, 1, 0xA000}, /* Mode 0Eh */
+ { 640, 350, FALSE, 1, FALSE, 1, 0xA000}, /* Mode 0Fh */
+ { 640, 350, FALSE, 4, FALSE, 1, 0xA000}, /* Mode 10h */
+ { 640, 480, FALSE, 1, FALSE, 1, 0xA000}, /* Mode 11h */
+ { 640, 480, FALSE, 4, FALSE, 1, 0xA000}, /* Mode 12h */
+ { 320, 200, FALSE, 8, FALSE, 1, 0xA000} /* Mode 13h */
};
/* PRIVATE FUNCTIONS **********************************************************/
-
-static INT BiosColorNumberToBits(DWORD Colors)
-{
- INT i;
-
- /* Find the index of the highest-order bit */
- for (i = 31; i >= 0; i--) if (Colors & (1 << i)) break;
-
- /* Special case for zero */
- if (i == 0) i = 32;
-
- return i;
-}
static DWORD BiosGetVideoPageSize()
{
INT i;
DWORD BufferSize = VideoModes[CurrentVideoMode].Width
* VideoModes[CurrentVideoMode].Height
- * BiosColorNumberToBits(VideoModes[CurrentVideoMode].Colors)
+ * VideoModes[CurrentVideoMode].Bpp
/ 8;
for (i = 0; i < 32; i++) if ((1 << i) >= BufferSize) break;
@@ -87,16 +75,15 @@
static BYTE BiosVideoAddressToPage(ULONG Address)
{
- return (Address - (VideoModes[CurrentVideoMode].Segment << 4))
+ return (Address - BiosGetVideoMemoryStart())
/ BiosGetVideoPageSize();
}
static COORD BiosVideoAddressToCoord(ULONG Address)
{
COORD Result = {0, 0};
- INT BitsPerPixel;
- BYTE PageStart = BiosVideoAddressToPage(Address) * BiosGetVideoPageSize();
- DWORD Offset = Address - (VideoModes[CurrentVideoMode].Segment << 4) -
PageStart;
+ DWORD PageStart = BiosVideoAddressToPage(Address) * BiosGetVideoPageSize();
+ DWORD Offset = Address - BiosGetVideoMemoryStart() - PageStart;
if (VideoModes[CurrentVideoMode].Text)
{
@@ -105,11 +92,9 @@
}
else
{
- BitsPerPixel = BiosColorNumberToBits(VideoModes[CurrentVideoMode].Colors);
-
- Result.X = ((Offset * 8) / BitsPerPixel)
+ Result.X = ((Offset * 8) / VideoModes[CurrentVideoMode].Bpp)
% VideoModes[CurrentVideoMode].Width;
- Result.Y = ((Offset * 8) / BitsPerPixel)
+ Result.Y = ((Offset * 8) / VideoModes[CurrentVideoMode].Bpp)
/ VideoModes[CurrentVideoMode].Width;
}
@@ -157,127 +142,166 @@
return TRUE;
}
-/* PUBLIC FUNCTIONS ***********************************************************/
-
-BYTE BiosGetVideoMode()
-{
- return CurrentVideoMode;
-}
-
-BOOLEAN BiosSetVideoMode(BYTE ModeNumber)
+static BOOLEAN BiosCreateGraphicsBuffer(BYTE ModeNumber)
{
INT i;
- COORD Coord;
CONSOLE_GRAPHICS_BUFFER_INFO GraphicsBufferInfo;
LPBITMAPINFO BitmapInfo;
LPWORD PaletteIndex;
+ /* Allocate a bitmap info structure */
+ BitmapInfo = (LPBITMAPINFO)HeapAlloc(GetProcessHeap(),
+ HEAP_ZERO_MEMORY,
+ sizeof(BITMAPINFOHEADER)
+ + (1 << VideoModes[ModeNumber].Bpp)
+ * sizeof(WORD));
+ if (BitmapInfo == NULL) return FALSE;
+
+ /* Fill the bitmap info header */
+ ZeroMemory(&BitmapInfo->bmiHeader, sizeof(BITMAPINFOHEADER));
+ BitmapInfo->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
+ BitmapInfo->bmiHeader.biWidth = VideoModes[ModeNumber].Width;
+ BitmapInfo->bmiHeader.biHeight = VideoModes[ModeNumber].Height;
+ BitmapInfo->bmiHeader.biPlanes = 1;
+ BitmapInfo->bmiHeader.biCompression = BI_RGB;
+ BitmapInfo->bmiHeader.biBitCount = VideoModes[ModeNumber].Bpp;
+
+ /* Calculate the image size */
+ BitmapInfo->bmiHeader.biSizeImage = BitmapInfo->bmiHeader.biWidth
+ * BitmapInfo->bmiHeader.biHeight
+ * (BitmapInfo->bmiHeader.biBitCount >>
3);
+
+ /* Fill the palette data */
+ PaletteIndex = (LPWORD)((ULONG_PTR)BitmapInfo + sizeof(BITMAPINFOHEADER));
+ for (i = 0; i < (1 << VideoModes[ModeNumber].Bpp); i++)
+ {
+ PaletteIndex[i] = i;
+ }
+
+ /* Fill the console graphics buffer info */
+ GraphicsBufferInfo.dwBitMapInfoLength = sizeof(BITMAPINFOHEADER)
+ + (1 << VideoModes[ModeNumber].Bpp)
+ * sizeof(WORD);
+ GraphicsBufferInfo.lpBitMapInfo = BitmapInfo;
+ GraphicsBufferInfo.dwUsage = DIB_PAL_COLORS;
+
+ /* Create the buffer */
+ BiosGraphicsOutput = CreateConsoleScreenBuffer(GENERIC_READ | GENERIC_WRITE,
+ FILE_SHARE_READ | FILE_SHARE_WRITE,
+ NULL,
+ CONSOLE_GRAPHICS_BUFFER,
+ &GraphicsBufferInfo);
+
+ /* Save the framebuffer address and mutex */
+ ConsoleFramebuffer = GraphicsBufferInfo.lpBitMap;
+ ConsoleMutex = GraphicsBufferInfo.hMutex;
+
+ /* Free the bitmap information */
+ HeapFree(GetProcessHeap(), 0, BitmapInfo);
+
+ return TRUE;
+}
+
+static VOID BiosDestroyGraphicsBuffer()
+{
+ CloseHandle(ConsoleMutex);
+ CloseHandle(BiosGraphicsOutput);
+}
+
+/* PUBLIC FUNCTIONS ***********************************************************/
+
+BYTE BiosGetVideoMode()
+{
+ return CurrentVideoMode;
+}
+
+BOOLEAN BiosSetVideoMode(BYTE ModeNumber)
+{
+ COORD Coord;
+
/* Make sure this is a valid video mode */
if (ModeNumber > BIOS_MAX_VIDEO_MODE) return FALSE;
if (VideoModes[ModeNumber].Pages == 0) return FALSE;
- /* Free the current buffers */
- for (i = 0; i < VideoModes[CurrentVideoMode].Pages; i++)
- {
- if (ConsoleBuffers[i] != NULL) CloseHandle(ConsoleBuffers[i]);
- if (!VideoModes[CurrentVideoMode].Text) CloseHandle(ConsoleMutexes[i]);
- }
-
- if (VideoModes[ModeNumber].Text)
- {
- /* Page 0 is CONOUT$ */
- ConsoleBuffers[0] = CreateFile(TEXT("CONOUT$"),
- GENERIC_READ | GENERIC_WRITE,
- FILE_SHARE_READ | FILE_SHARE_WRITE,
- NULL,
- OPEN_EXISTING,
- 0,
- NULL);
-
- /* Set the current page to page 0 */
- CurrentVideoPage = 0;
-
- /* Create console buffers for other pages */
- for (i = 1; i < VideoModes[ModeNumber].Pages; i++)
- {
- ConsoleBuffers[i] = CreateConsoleScreenBuffer(GENERIC_READ | GENERIC_WRITE,
- FILE_SHARE_READ |
FILE_SHARE_WRITE,
- NULL,
- CONSOLE_TEXTMODE_BUFFER,
- NULL);
- }
-
- /* Set the size for the buffers */
- for (i = 0; i < VideoModes[ModeNumber].Pages; i++)
- {
- Coord.X = VideoModes[ModeNumber].Width;
- Coord.Y = VideoModes[ModeNumber].Height;
-
- SetConsoleScreenBufferSize(ConsoleBuffers[i], Coord);
- }
- }
- else
- {
- /* Allocate a bitmap info structure */
- BitmapInfo = (LPBITMAPINFO)HeapAlloc(GetProcessHeap(),
- HEAP_ZERO_MEMORY,
- sizeof(BITMAPINFOHEADER)
- + VideoModes[ModeNumber].Colors
- * sizeof(WORD));
- if (BitmapInfo == NULL) return FALSE;
-
- /* Fill the bitmap info header */
- ZeroMemory(&BitmapInfo->bmiHeader, sizeof(BITMAPINFOHEADER));
- BitmapInfo->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
- BitmapInfo->bmiHeader.biWidth = VideoModes[ModeNumber].Width;
- BitmapInfo->bmiHeader.biHeight = VideoModes[ModeNumber].Height;
- BitmapInfo->bmiHeader.biPlanes = 1;
- BitmapInfo->bmiHeader.biCompression = BI_RGB;
- BitmapInfo->bmiHeader.biBitCount =
BiosColorNumberToBits(VideoModes[ModeNumber].Colors);
-
- /* Calculate the image size */
- BitmapInfo->bmiHeader.biSizeImage = BitmapInfo->bmiHeader.biWidth
- * BitmapInfo->bmiHeader.biHeight
- * (BitmapInfo->bmiHeader.biBitCount
>> 3);
-
- /* Fill the palette data */
- PaletteIndex = (LPWORD)((ULONG_PTR)BitmapInfo + sizeof(BITMAPINFOHEADER));
- for (i = 0; i < VideoModes[ModeNumber].Colors; i++)
- {
- PaletteIndex[i] = i;
- }
-
- /* Create a console buffer for each page */
- for (i = 0; i < VideoModes[ModeNumber].Pages; i++)
- {
- /* Fill the console graphics buffer info */
- GraphicsBufferInfo.dwBitMapInfoLength = sizeof(BITMAPINFOHEADER)
- + VideoModes[ModeNumber].Colors
- * sizeof(WORD);
- GraphicsBufferInfo.lpBitMapInfo = BitmapInfo;
- GraphicsBufferInfo.dwUsage = DIB_PAL_COLORS;
-
- /* Create the buffer */
- ConsoleBuffers[i] = CreateConsoleScreenBuffer(GENERIC_READ | GENERIC_WRITE,
- FILE_SHARE_READ |
FILE_SHARE_WRITE,
- NULL,
- CONSOLE_GRAPHICS_BUFFER,
- &GraphicsBufferInfo);
-
- /* Save the framebuffer address and mutex */
- ConsoleFramebuffers[i] = GraphicsBufferInfo.lpBitMap;
- ConsoleMutexes[i] = GraphicsBufferInfo.hMutex;
- }
-
- /* Free the bitmap information */
- HeapFree(GetProcessHeap(), 0, BitmapInfo);
- }
-
- /* Set the active page console buffer */
- SetConsoleActiveScreenBuffer(ConsoleBuffers[CurrentVideoPage]);
-
- /* Update the mode number */
+ /* Set the new video mode size */
+ Coord.X = VideoModes[ModeNumber].Width;
+ Coord.Y = VideoModes[ModeNumber].Height;
+
+ if (VideoModes[ModeNumber].Text && VideoModes[CurrentVideoMode].Text)
+ {
+ /* Switching from text mode to another text mode */
+
+ /* Resize the text buffer */
+ SetConsoleScreenBufferSize(BiosConsoleOutput, Coord);
+ }
+ else if (VideoModes[ModeNumber].Text && !VideoModes[CurrentVideoMode].Text)
+ {
+ /* Switching from graphics mode to text mode */
+
+ /* Resize the text buffer */
+ SetConsoleScreenBufferSize(BiosConsoleOutput, Coord);
+
+ /* Change the active screen buffer to the text buffer */
+ SetConsoleActiveScreenBuffer(BiosConsoleOutput);
+
+ /* Cleanup the graphics buffer */
+ BiosDestroyGraphicsBuffer();
+ }
+ else if (!VideoModes[ModeNumber].Text && VideoModes[CurrentVideoMode].Text)
+ {
+ /* Switching from text mode to graphics mode */
+ if (!BiosCreateGraphicsBuffer(ModeNumber)) return FALSE;
+
+ SetConsoleActiveScreenBuffer(BiosGraphicsOutput);
+ }
+ else if (!VideoModes[ModeNumber].Text && !VideoModes[CurrentVideoMode].Text)
+ {
+ /* Switching from graphics mode to another graphics mode */
+
+ /* Temporarily switch to the text mode buffer */
+ SetConsoleActiveScreenBuffer(BiosConsoleOutput);
+
+ /* Cleanup the current graphics mode buffer */
+ BiosDestroyGraphicsBuffer();
+
+ /* Create a new graphics mode buffer */
+ if (!BiosCreateGraphicsBuffer(ModeNumber)) return FALSE;
+
+ /* Switch to it */
+ SetConsoleActiveScreenBuffer(BiosGraphicsOutput);
+ }
+
+ /* Set the video mode */
CurrentVideoMode = ModeNumber;
+
+ return TRUE;
+}
+
+BOOLEAN BiosSetVideoPage(BYTE PageNumber)
+{
+ ULONG PageStart;
+ CONSOLE_SCREEN_BUFFER_INFO BufferInfo;
+
+ /* Make sure this is a valid page number */
+ if (PageNumber >= VideoModes[CurrentVideoMode].Pages) return FALSE;
+
+ /* Save the current console buffer in the video memory */
+ PageStart = BiosGetVideoMemoryStart() + CurrentVideoPage * BiosGetVideoPageSize();
+ BiosUpdateVideoMemory(PageStart, PageStart + BiosGetVideoPageSize());
+
+ /* Save the cursor */
+ if (!GetConsoleScreenBufferInfo(BiosConsoleOutput, &BufferInfo)) return FALSE;
+ BiosCursorPositions[CurrentVideoPage] = BufferInfo.dwCursorPosition;
+
+ /* Set the page */
+ CurrentVideoPage = PageNumber;
+
+ /* Update the console */
+ PageStart = BiosGetVideoMemoryStart() + CurrentVideoPage * BiosGetVideoPageSize();
+ BiosUpdateConsole(PageStart, PageStart + BiosGetVideoPageSize());
+
+ /* Set the cursor */
+ SetConsoleCursorPosition(BiosConsoleOutput, BiosCursorPositions[PageNumber]);
return TRUE;
}
@@ -296,8 +320,7 @@
if (!VideoNeedsUpdate) return;
/* Redraw the screen */
- InvalidateConsoleDIBits(ConsoleBuffers[CurrentVideoPage],
- &UpdateRectangle);
+ InvalidateConsoleDIBits(BiosGraphicsOutput, &UpdateRectangle);
/* Clear the update flag */
VideoNeedsUpdate = FALSE;
@@ -363,6 +386,10 @@
{
return FALSE;
}
+
+ /* Store the cursor position */
+ ZeroMemory(&BiosCursorPositions, sizeof(BiosCursorPositions));
+ BiosCursorPositions[0] = BiosSavedBufferInfo.dwCursorPosition;
/* Set the default video mode */
BiosSetVideoMode(BIOS_DEFAULT_VIDEO_MODE);
@@ -399,20 +426,14 @@
VOID BiosCleanup()
{
- INT i;
-
/* Restore the old screen buffer */
SetConsoleActiveScreenBuffer(BiosConsoleOutput);
/* Restore the screen buffer size */
SetConsoleScreenBufferSize(BiosConsoleOutput, BiosSavedBufferInfo.dwSize);
- /* Free the buffers */
- for (i = 0; i < VideoModes[CurrentVideoMode].Pages; i++)
- {
- if (ConsoleBuffers[i] != NULL) CloseHandle(ConsoleBuffers[i]);
- if (!VideoModes[CurrentVideoMode].Text) CloseHandle(ConsoleMutexes[i]);
- }
+ /* Free the graphics buffer */
+ if (!VideoModes[CurrentVideoMode].Text) BiosDestroyGraphicsBuffer();
/* Close the console handles */
if (BiosConsoleInput != INVALID_HANDLE_VALUE) CloseHandle(BiosConsoleInput);
@@ -423,7 +444,6 @@
{
ULONG i;
COORD Coordinates;
- BYTE Page;
COORD Origin = { 0, 0 };
COORD UnitSize = { 1, 1 };
CHAR_INFO Character;
@@ -440,11 +460,8 @@
/* Get the coordinates */
Coordinates = BiosVideoAddressToCoord(i);
- /* Get the page number */
- Page = BiosVideoAddressToPage(i);
-
- /* Make sure the page is valid */
- if (Page >= VideoModes[CurrentVideoMode].Pages) continue;
+ /* Make sure this is the current page */
+ if (BiosVideoAddressToPage(i) != CurrentVideoPage) continue;
/* Fill the rectangle structure */
Rect.Left = Coordinates.X;
@@ -457,7 +474,7 @@
Character.Attributes = *((PBYTE)((ULONG_PTR)BaseAddress + i + 1));
/* Write the character */
- WriteConsoleOutputA(ConsoleBuffers[Page],
+ WriteConsoleOutputA(BiosConsoleOutput,
&Character,
UnitSize,
Origin,
@@ -467,16 +484,16 @@
else
{
/* Wait for the mutex object */
- WaitForSingleObject(ConsoleMutexes[CurrentVideoPage], INFINITE);
+ WaitForSingleObject(ConsoleMutex, INFINITE);
/* Copy the data to the framebuffer */
- RtlCopyMemory((LPVOID)((ULONG_PTR)ConsoleFramebuffers[CurrentVideoPage]
+ RtlCopyMemory((LPVOID)((ULONG_PTR)ConsoleFramebuffer
+ StartAddress - BiosGetVideoMemoryStart()),
(LPVOID)((ULONG_PTR)BaseAddress + StartAddress),
EndAddress - StartAddress);
/* Release the mutex */
- ReleaseMutex(ConsoleMutexes[CurrentVideoPage]);
+ ReleaseMutex(ConsoleMutex);
/* Check if this is the first time the rectangle is updated */
if (!VideoNeedsUpdate)
@@ -507,7 +524,6 @@
{
ULONG i;
COORD Coordinates;
- BYTE Page;
WORD Attribute;
DWORD CharsWritten;
@@ -519,17 +535,14 @@
/* Get the coordinates */
Coordinates = BiosVideoAddressToCoord(i);
- /* Get the page number */
- Page = BiosVideoAddressToPage(i);
-
- /* Make sure the page is valid */
- if (Page >= VideoModes[CurrentVideoMode].Pages) continue;
+ /* Make sure this is the current page */
+ if (BiosVideoAddressToPage(i) != CurrentVideoPage) continue;
/* Check if this is a character byte or an attribute byte */
- if ((i - (VideoModes[CurrentVideoMode].Segment << 4)) % 2 == 0)
+ if ((i - BiosGetVideoMemoryStart()) % 2 == 0)
{
/* This is a regular character */
- ReadConsoleOutputCharacterA(ConsoleBuffers[Page],
+ ReadConsoleOutputCharacterA(BiosConsoleOutput,
(LPSTR)((ULONG_PTR)BaseAddress + i),
sizeof(CHAR),
Coordinates,
@@ -538,7 +551,7 @@
else
{
/* This is an attribute */
- ReadConsoleOutputAttribute(ConsoleBuffers[Page],
+ ReadConsoleOutputAttribute(BiosConsoleOutput,
&Attribute,
sizeof(CHAR),
Coordinates,
@@ -551,16 +564,16 @@
else
{
/* Wait for the mutex object */
- WaitForSingleObject(ConsoleMutexes[CurrentVideoPage], INFINITE);
+ WaitForSingleObject(ConsoleMutex, INFINITE);
/* Copy the data to the emulator memory */
RtlCopyMemory((LPVOID)((ULONG_PTR)BaseAddress + StartAddress),
- (LPVOID)((ULONG_PTR)ConsoleFramebuffers[CurrentVideoPage]
+ (LPVOID)((ULONG_PTR)ConsoleFramebuffer
+ StartAddress - BiosGetVideoMemoryStart()),
EndAddress - StartAddress);
/* Release the mutex */
- ReleaseMutex(ConsoleMutexes[CurrentVideoPage]);
+ ReleaseMutex(ConsoleMutex);
}
}
@@ -627,6 +640,7 @@
DWORD Edx = EmulatorGetRegister(EMULATOR_REG_DX);
DWORD Ebx = EmulatorGetRegister(EMULATOR_REG_BX);
+ // TODO: Add support for multiple pages!
switch (HIBYTE(Eax))
{
/* Set Video Mode */
@@ -648,7 +662,7 @@
/* Set the cursor */
CursorInfo.dwSize = (CursorHeight * 100) / CONSOLE_FONT_HEIGHT;
CursorInfo.bVisible = !Invisible;
- SetConsoleCursorInfo(ConsoleBuffers[CurrentVideoPage], &CursorInfo);
+ SetConsoleCursorInfo(BiosConsoleOutput, &CursorInfo);
break;
}
@@ -662,7 +676,15 @@
Position.X = LOBYTE(Edx);
Position.Y = HIBYTE(Edx);
- SetConsoleCursorPosition(ConsoleBuffers[HIBYTE(Ebx)], Position);
+ BiosCursorPositions[HIBYTE(Ebx)] = Position;
+
+ /* Check if this is the current video page */
+ if (HIBYTE(Ebx) == CurrentVideoPage)
+ {
+ /* Yes, change the actual cursor */
+ SetConsoleCursorPosition(BiosConsoleOutput, Position);
+ }
+
break;
}
@@ -675,9 +697,7 @@
if (HIBYTE(Ebx) >= VideoModes[CurrentVideoMode].Pages) break;
/* Retrieve the data */
- GetConsoleCursorInfo(ConsoleBuffers[HIBYTE(Ebx)], &CursorInfo);
- GetConsoleScreenBufferInfo(ConsoleBuffers[HIBYTE(Ebx)],
- &ScreenBufferInfo);
+ GetConsoleCursorInfo(BiosConsoleOutput, &CursorInfo);
/* Find the first line */
StartLine = 32 - ((CursorInfo.dwSize * 32) / 100);
@@ -686,8 +706,8 @@
EmulatorSetRegister(EMULATOR_REG_AX, 0);
EmulatorSetRegister(EMULATOR_REG_CX, (StartLine << 8) | 0x1F);
EmulatorSetRegister(EMULATOR_REG_DX,
- LOWORD(ScreenBufferInfo.dwCursorPosition.Y) << 8
- || LOWORD(ScreenBufferInfo.dwCursorPosition.X));
+ (LOBYTE(BiosCursorPositions[HIBYTE(Ebx)].Y) << 8)
+ | LOBYTE(BiosCursorPositions[HIBYTE(Ebx)].X));
break;
}
@@ -701,14 +721,7 @@
if (LOBYTE(Eax) == CurrentVideoPage) break;
/* Change the video page */
- CurrentVideoPage = LOBYTE(Eax);
-
- /* Set the active page console buffer */
- SetConsoleActiveScreenBuffer(ConsoleBuffers[CurrentVideoPage]);
-
- /* Restore the cursor to (0, 0) */
- Position.X = Position.Y = 0;
- SetConsoleCursorPosition(BiosConsoleOutput, Position);
+ BiosSetVideoPage(LOBYTE(Eax));
break;
}
@@ -724,10 +737,11 @@
Character.Char.UnicodeChar = L' ';
Character.Attributes = HIBYTE(Ebx);
Position.X = Rect.Left;
+
if (HIBYTE(Eax) == 0x06) Position.Y = Rect.Top - LOBYTE(Eax);
else Position.Y = Rect.Top + LOBYTE(Eax);
- ScrollConsoleScreenBuffer(ConsoleBuffers[CurrentVideoPage],
+ ScrollConsoleScreenBuffer(BiosConsoleOutput,
&Rect,
&Rect,
Position,
@@ -743,25 +757,32 @@
/* Make sure the selected video page exists */
if (HIBYTE(Ebx) >= VideoModes[CurrentVideoMode].Pages) break;
- /* Get the cursor position */
- GetConsoleScreenBufferInfo(ConsoleBuffers[HIBYTE(Ebx)],
- &ScreenBufferInfo);
-
- /* Read at cursor position */
- Rect.Left = ScreenBufferInfo.dwCursorPosition.X;
- Rect.Top = ScreenBufferInfo.dwCursorPosition.Y;
+ if (HIBYTE(Ebx) == CurrentVideoPage)
+ {
+ /* Get the cursor position */
+ GetConsoleScreenBufferInfo(BiosConsoleOutput,
+ &ScreenBufferInfo);
+
+ /* Read at cursor position */
+ Rect.Left = ScreenBufferInfo.dwCursorPosition.X;
+ Rect.Top = ScreenBufferInfo.dwCursorPosition.Y;
- /* Read the console output */
- ReadConsoleOutput(ConsoleBuffers[HIBYTE(Ebx)],
- &Character,
- BufferSize,
- Origin,
- &Rect);
-
- /* Return the result */
- EmulatorSetRegister(EMULATOR_REG_AX,
- (LOBYTE(Character.Attributes) << 8)
- | Character.Char.AsciiChar);
+ /* Read the console output */
+ ReadConsoleOutput(BiosConsoleOutput,
+ &Character,
+ BufferSize,
+ Origin,
+ &Rect);
+
+ /* Return the result */
+ EmulatorSetRegister(EMULATOR_REG_AX,
+ (LOBYTE(Character.Attributes) << 8)
+ | Character.Char.AsciiChar);
+ }
+ else
+ {
+ // TODO: NOT IMPLEMENTED
+ }
break;
}
@@ -774,23 +795,30 @@
/* Make sure the selected video page exists */
if (HIBYTE(Ebx) >= VideoModes[CurrentVideoMode].Pages) break;
- /* Get the cursor position */
- GetConsoleScreenBufferInfo(ConsoleBuffers[HIBYTE(Ebx)],
- &ScreenBufferInfo);
-
- /* Write the attribute to the output */
- FillConsoleOutputAttribute(ConsoleBuffers[HIBYTE(Ebx)],
- LOBYTE(Ebx),
- LOWORD(Ecx),
- ScreenBufferInfo.dwCursorPosition,
- &CharsWritten);
-
- /* Write the character to the output */
- FillConsoleOutputCharacterA(ConsoleBuffers[HIBYTE(Ebx)],
- LOBYTE(Eax),
- LOWORD(Ecx),
- ScreenBufferInfo.dwCursorPosition,
- &CharsWritten);
+ if (HIBYTE(Ebx) == CurrentVideoPage)
+ {
+ /* Get the cursor position */
+ GetConsoleScreenBufferInfo(BiosConsoleOutput,
+ &ScreenBufferInfo);
+
+ /* Write the attribute to the output */
+ FillConsoleOutputAttribute(BiosConsoleOutput,
+ LOBYTE(Ebx),
+ LOWORD(Ecx),
+ ScreenBufferInfo.dwCursorPosition,
+ &CharsWritten);
+
+ /* Write the character to the output */
+ FillConsoleOutputCharacterA(BiosConsoleOutput,
+ LOBYTE(Eax),
+ LOWORD(Ecx),
+ ScreenBufferInfo.dwCursorPosition,
+ &CharsWritten);
+ }
+ else
+ {
+ // TODO: NOT IMPLEMENTED
+ }
break;
}
@@ -803,16 +831,22 @@
/* Make sure the selected video page exists */
if (HIBYTE(Ebx) >= VideoModes[CurrentVideoMode].Pages) break;
- /* Get the cursor position */
- GetConsoleScreenBufferInfo(ConsoleBuffers[HIBYTE(Ebx)],
- &ScreenBufferInfo);
-
- /* Write the character to the output */
- FillConsoleOutputCharacterA(ConsoleBuffers[HIBYTE(Ebx)],
- LOBYTE(Eax),
- LOWORD(Ecx),
- ScreenBufferInfo.dwCursorPosition,
- &CharsWritten);
+ if (HIBYTE(Ebx) == CurrentVideoPage)
+ {
+ /* Get the cursor position */
+ GetConsoleScreenBufferInfo(BiosConsoleOutput, &ScreenBufferInfo);
+
+ /* Write the character to the output */
+ FillConsoleOutputCharacterA(BiosConsoleOutput,
+ LOBYTE(Eax),
+ LOWORD(Ecx),
+ ScreenBufferInfo.dwCursorPosition,
+ &CharsWritten);
+ }
+ else
+ {
+ // TODO: NOT IMPLEMENTED
+ }
break;
}
@@ -827,10 +861,10 @@
if (HIBYTE(Ebx) >= VideoModes[CurrentVideoMode].Pages) break;
/* Set the attribute */
- SetConsoleTextAttribute(ConsoleBuffers[HIBYTE(Ebx)], LOBYTE(Ebx));
+ SetConsoleTextAttribute(BiosConsoleOutput, LOBYTE(Ebx));
/* Write the character */
- WriteConsoleA(ConsoleBuffers[HIBYTE(Ebx)],
+ WriteConsoleA(BiosConsoleOutput,
&Character,
sizeof(CHAR),
&NumWritten,
Modified: branches/ntvdm/subsystems/ntvdm/bios.h
URL:
http://svn.reactos.org/svn/reactos/branches/ntvdm/subsystems/ntvdm/bios.h?r…
==============================================================================
--- branches/ntvdm/subsystems/ntvdm/bios.h [iso-8859-1] (original)
+++ branches/ntvdm/subsystems/ntvdm/bios.h [iso-8859-1] Sat Jul 13 01:56:36 2013
@@ -38,7 +38,7 @@
DWORD Width;
DWORD Height;
BOOLEAN Text;
- DWORD Colors;
+ BYTE Bpp;
BOOLEAN Gray;
BYTE Pages;
WORD Segment;
Modified: branches/ntvdm/subsystems/ntvdm/dos.c
URL:
http://svn.reactos.org/svn/reactos/branches/ntvdm/subsystems/ntvdm/dos.c?re…
==============================================================================
--- branches/ntvdm/subsystems/ntvdm/dos.c [iso-8859-1] (original)
+++ branches/ntvdm/subsystems/ntvdm/dos.c [iso-8859-1] Sat Jul 13 01:56:36 2013
@@ -906,6 +906,56 @@
DosWriteFile(DOS_OUTPUT_HANDLE, &Character, sizeof(CHAR), &BytesWritten);
}
+VOID DosHandleIoctl(BYTE ControlCode, WORD FileHandle)
+{
+ HANDLE Handle = DosGetRealHandle(FileHandle);
+
+ if (Handle == INVALID_HANDLE_VALUE)
+ {
+ /* Doesn't exist */
+ EmulatorSetFlag(EMULATOR_FLAG_CF);
+ EmulatorSetRegister(EMULATOR_REG_AX, ERROR_FILE_NOT_FOUND);
+ }
+
+ switch (ControlCode)
+ {
+ /* Get Device Information */
+ case 0x00:
+ {
+ WORD InfoWord = 0;
+
+ if (Handle == DosSystemFileTable[0])
+ {
+ /* Console input */
+ InfoWord |= 1 << 0;
+ }
+ else if (Handle == DosSystemFileTable[1])
+ {
+ /* Console output */
+ InfoWord |= 1 << 1;
+ }
+
+ /* It is a character device */
+ InfoWord |= 1 << 7;
+
+ /* Return the device information word */
+ EmulatorClearFlag(EMULATOR_FLAG_CF);
+ EmulatorSetRegister(EMULATOR_REG_DX, InfoWord);
+
+ break;
+ }
+
+ /* Unsupported control code */
+ default:
+ {
+ DPRINT1("Unsupported IOCTL: 0x%02X\n", ControlCode);
+
+ EmulatorSetFlag(EMULATOR_FLAG_CF);
+ EmulatorSetRegister(EMULATOR_REG_AX, ERROR_INVALID_PARAMETER);
+ }
+ }
+}
+
VOID DosInt20h(WORD CodeSegment)
{
/* This is the exit interrupt */
@@ -1326,6 +1376,14 @@
break;
}
+ /* IOCTL */
+ case 0x44:
+ {
+ DosHandleIoctl(LOBYTE(Eax), LOWORD(Ebx));
+
+ break;
+ }
+
/* Allocate Memory */
case 0x48:
{
4086
days inactive
4086
days old
0 comments
1 participants
participants (1)
-
aandrejevic＠svn.reactos.org