/* PRIVATE VARIABLES **********************************************************/
-static PBIOS_DATA_AREA Bda;
+PBIOS_DATA_AREA Bda;
static BYTE BiosKeyboardMap[256];
-static HANDLE BiosConsoleInput = INVALID_HANDLE_VALUE;
+static HANDLE BiosConsoleInput = INVALID_HANDLE_VALUE;
static HANDLE BiosConsoleOutput = INVALID_HANDLE_VALUE;
static CONSOLE_SCREEN_BUFFER_INFO BiosSavedBufferInfo;
+/*
+ * VGA Register Configurations for BIOS Video Modes
+ * The configurations come from DosBox.
+ */
static BYTE VideoMode_40x25_text[] =
{
/* Miscellaneous Register */
0x67,
/* Sequencer Registers */
- 0x03, 0x08, 0x03, 0x00, 0x02,
+ 0x00, 0x08, 0x03, 0x00, 0x07,
/* GC Registers */
0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x0E, 0x0F, 0xFF,
/* CRTC Registers */
- 0x2D, 0x27, 0x28, 0x90, 0x2B, 0xA0, 0xBF, 0x1F, 0x00, 0x4F, 0x0E, 0x0F,
+ 0x2D, 0x27, 0x28, 0x90, 0x2B, 0xA0, 0xBF, 0x1F, 0x00, 0x4F, 0x0D, 0x0E,
0x00, 0x00, 0x00, 0x00, 0x9C, 0x8E, 0x8F, 0x14, 0x1F, 0x96, 0xB9, 0xA3,
0xFF,
/* AC Registers */
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x14, 0x07, 0x38, 0x39, 0x3A, 0x3B,
- 0x3C, 0x3D, 0x3E, 0x3F, 0x0C, 0x01, 0x0F, 0x13, 0x00
+ 0x3C, 0x3D, 0x3E, 0x3F, 0x0C, 0x00, 0x0F, 0x08, 0x00
};
static BYTE VideoMode_80x25_text[] =
0x67,
/* Sequencer Registers */
- 0x03, 0x00, 0x03, 0x00, 0x02,
+ 0x00, 0x00, 0x03, 0x00, 0x07,
/* GC Registers */
0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x0E, 0x0F, 0xFF,
/* CRTC Registers */
- 0x5F, 0x4F, 0x50, 0x82, 0x55, 0x81, 0xBF, 0x1F, 0x00, 0x4F, 0x0E, 0x0F,
+ 0x5F, 0x4F, 0x50, 0x82, 0x55, 0x81, 0xBF, 0x1F, 0x00, 0x4F, 0x0D, 0x0E,
0x00, 0x00, 0x00, 0x00, 0x9C, 0x8E, 0x8F, 0x28, 0x1F, 0x96, 0xB9, 0xA3,
0xFF,
/* AC Registers */
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x14, 0x07, 0x38, 0x39, 0x3A, 0x3B,
- 0x3C, 0x3D, 0x3E, 0x3F, 0x0C, 0x01, 0x0F, 0x13, 0x00
+ 0x3C, 0x3D, 0x3E, 0x3F, 0x0C, 0x00, 0x0F, 0x08, 0x00
};
static BYTE VideoMode_320x200_4color[] =
0x63,
/* Sequencer Registers */
- 0x03, 0x09, 0x03, 0x00, 0x02,
+ 0x00, 0x09, 0x00, 0x00, 0x02,
/* GC Registers */
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0x0F, 0x0F, 0xFF,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x0F, 0x0F, 0xFF,
/* CRTC Registers */
0x2D, 0x27, 0x28, 0x90, 0x2B, 0x80, 0xBF, 0x1F, 0x00, 0xC1, 0x00, 0x00,
/* AC Registers */
0x00, 0x13, 0x15, 0x17, 0x02, 0x04, 0x06, 0x07, 0x10, 0x11, 0x12, 0x13,
- 0x14, 0x15, 0x16, 0x17, 0x01, 0x00, 0x03, 0x00, 0x00
+ 0x14, 0x15, 0x16, 0x17, 0x01, 0x00, 0x0F, 0x00, 0x00
+};
+
+static BYTE VideoMode_640x200_2color[] =
+{
+ /* Miscellaneous Register */
+ 0x63,
+
+ /* Sequencer Registers */
+ 0x00, 0x09, 0x0F, 0x00, 0x02,
+
+ /* GC Registers */
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0F, 0x0F, 0xFF,
+
+ /* CRTC Registers */
+ 0x5F, 0x4F, 0x50, 0x82, 0x54, 0x80, 0xBF, 0x1F, 0x00, 0xC1, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x9C, 0x8E, 0x8F, 0x28, 0x00, 0x96, 0xB9, 0xC2,
+ 0xFF,
+
+ /* AC Registers */
+ 0x00, 0x17, 0x17, 0x17, 0x17, 0x17, 0x17, 0x17, 0x17, 0x17, 0x17, 0x17,
+ 0x17, 0x17, 0x17, 0x17, 0x01, 0x00, 0x01, 0x00, 0x00
+};
+
+static BYTE VideoMode_320x200_16color[] =
+{
+ /* Miscellaneous Register */
+ 0x63,
+
+ /* Sequencer Registers */
+ 0x00, 0x09, 0x0F, 0x00, 0x02,
+
+ /* GC Registers */
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05, 0x0F, 0xFF,
+
+ /* CRTC Registers */
+ 0x2D, 0x27, 0x28, 0x90, 0x2B, 0x80, 0xBF, 0x1F, 0x00, 0xC0, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x9C, 0x8E, 0x8F, 0x14, 0x00, 0x96, 0xB9, 0xE3,
+ 0xFF,
+
+ /* AC Registers */
+ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x10, 0x11, 0x12, 0x13,
+ 0x14, 0x15, 0x16, 0x17, 0x01, 0x00, 0x0F, 0x00, 0x00
+};
+
+static BYTE VideoMode_640x200_16color[] =
+{
+ /* Miscellaneous Register */
+ 0x63,
+
+ /* Sequencer Registers */
+ 0x00, 0x01, 0x0F, 0x00, 0x02,
+
+ /* GC Registers */
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05, 0x0F, 0xFF,
+
+ /* CRTC Registers */
+ 0x5F, 0x4F, 0x50, 0x82, 0x54, 0x80, 0xBF, 0x1F, 0x00, 0xC0, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x9C, 0x8E, 0x8F, 0x28, 0x00, 0x96, 0xB9, 0xE3,
+ 0xFF,
+
+ /* AC Registers */
+ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x10, 0x11, 0x12, 0x13,
+ 0x14, 0x15, 0x16, 0x17, 0x01, 0x00, 0x0F, 0x00, 0x00
+};
+
+static BYTE VideoMode_640x350_16color[] =
+{
+ /* Miscellaneous Register */
+ 0xA3,
+
+ /* Sequencer Registers */
+ 0x00, 0x01, 0x0F, 0x00, 0x02,
+
+ /* GC Registers */
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05, 0x0F, 0xFF,
+
+ /* CRTC Registers */
+ 0x5F, 0x4F, 0x50, 0x82, 0x54, 0x80, 0xBF, 0x1F, 0x00, 0x40, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x83, 0x85, 0x5D, 0x28, 0x0F, 0x63, 0xBA, 0xE3,
+ 0xFF,
+
+ /* AC Registers */
+ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x14, 0x07, 0x38, 0x39, 0x3A, 0x3B,
+ 0x3C, 0x3D, 0x3E, 0x3F, 0x01, 0x00, 0x0F, 0x00, 0x00
+};
+
+static BYTE VideoMode_640x480_2color[] =
+{
+ /* Miscellaneous Register */
+ 0xE3,
+
+ /* Sequencer Registers */
+ 0x00, 0x01, 0x0F, 0x00, 0x02,
+
+ /* GC Registers */
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05, 0x0F, 0xFF,
+
+ /* CRTC Registers */
+ 0x5F, 0x4F, 0x50, 0x82, 0x54, 0x80, 0x0B, 0x3E, 0x00, 0x40, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0xEA, 0x8C, 0xDF, 0x28, 0x00, 0xE7, 0x04, 0xC3,
+ 0xFF,
+
+ /* AC Registers */
+ 0x00, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
+ 0x3F, 0x3F, 0x3F, 0x3F, 0x01, 0x00, 0x0F, 0x00, 0x00
};
static BYTE VideoMode_640x480_16color[] =
0xE3,
/* Sequencer Registers */
- 0x03, 0x01, 0x08, 0x00, 0x06,
+ 0x00, 0x01, 0x0F, 0x00, 0x02,
/* GC Registers */
- 0x00, 0x00, 0x00, 0x00, 0x03, 0x00, 0x05, 0x0F, 0xFF,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05, 0x0F, 0xFF,
/* CRTC Registers */
0x5F, 0x4F, 0x50, 0x82, 0x54, 0x80, 0x0B, 0x3E, 0x00, 0x40, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0xEA, 0x0C, 0xDF, 0x28, 0x00, 0xE7, 0x04, 0xE3,
+ 0x00, 0x00, 0x00, 0x00, 0xEA, 0x8C, 0xDF, 0x28, 0x00, 0xE7, 0x04, 0xE3,
0xFF,
/* AC Registers */
0x63,
/* Sequencer Registers */
- 0x03, 0x01, 0x0F, 0x00, 0x0E,
+ 0x00, 0x01, 0x0F, 0x00, 0x0E,
/* GC Registers */
0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x05, 0x0F, 0xFF,
/* CRTC Registers */
0x5F, 0x4F, 0x50, 0x82, 0x54, 0x80, 0xBF, 0x1F, 0x00, 0x41, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x9C, 0x0E, 0x8F, 0x28, 0x40, 0x96, 0xB9, 0xA3,
+ 0x00, 0x00, 0x00, 0x00, 0x9C, 0x8E, 0x8F, 0x28, 0x40, 0x96, 0xB9, 0xA3,
0xFF,
/* AC Registers */
VideoMode_80x25_text, /* Mode 03h */
VideoMode_320x200_4color, /* Mode 04h */
VideoMode_320x200_4color, /* Mode 05h */
- NULL, /* Mode 06h */
+ VideoMode_640x200_2color, /* Mode 06h */
NULL, /* Mode 07h */
NULL, /* Mode 08h */
NULL, /* Mode 09h */
NULL, /* Mode 0Ah */
NULL, /* Mode 0Bh */
NULL, /* Mode 0Ch */
- NULL, /* Mode 0Dh */
- NULL, /* Mode 0Eh */
+ VideoMode_320x200_16color, /* Mode 0Dh */
+ VideoMode_640x200_16color, /* Mode 0Eh */
NULL, /* Mode 0Fh */
- NULL, /* Mode 10h */
- NULL, /* Mode 11h */
+ VideoMode_640x350_16color, /* Mode 10h */
+ VideoMode_640x480_2color, /* Mode 11h */
VideoMode_640x480_16color, /* Mode 12h */
VideoMode_320x200_256color, /* Mode 13h */
};
{
INT i, j;
INT Counter = 0;
+ WORD Character;
DWORD VideoAddress = TO_LINEAR(TEXT_VIDEO_SEG, Page * Bda->VideoPageSize);
for (i = Rectangle.Top; i <= Rectangle.Bottom; i++)
{
for (j = Rectangle.Left; j <= Rectangle.Right; j++)
{
- WORD Character;
-
/* Read from video memory */
VgaReadMemory(VideoAddress + (i * Bda->ScreenColumns + j) * sizeof(WORD),
(LPVOID)&Character,
{
INT i, j;
INT Counter = 0;
+ WORD Character;
DWORD VideoAddress = TO_LINEAR(TEXT_VIDEO_SEG, Page * Bda->VideoPageSize);
for (i = Rectangle.Top; i <= Rectangle.Bottom; i++)
{
for (j = Rectangle.Left; j <= Rectangle.Right; j++)
{
- WORD Character = Buffer[Counter++];
+ Character = Buffer[Counter++];
/* Read from video memory */
VgaWriteMemory(VideoAddress + (i * Bda->ScreenColumns + j) * sizeof(WORD),
Bda->VideoPage = 0;
Bda->VideoPageSize = BIOS_PAGE_SIZE;
Bda->VideoPageOffset = 0;
- Bda->CharacterHeight = 16;
+
+ /* Get the character height */
+ VgaWritePort(VGA_CRTC_INDEX, VGA_CRTC_MAX_SCAN_LINE_REG);
+ Bda->CharacterHeight = 1 + (VgaReadPort(VGA_CRTC_DATA) & 0x1F);
Resolution = VgaGetDisplayResolution();
Bda->ScreenColumns = Resolution.X;
BOOLEAN BiosSetVideoPage(BYTE PageNumber)
{
+ /* Check if the page exists */
if (PageNumber >= BIOS_MAX_PAGES) return FALSE;
+ /* Check if this is the same page */
+ if (PageNumber == Bda->VideoPage) return TRUE;
+
/* Set the values in the BDA */
Bda->VideoPage = PageNumber;
Bda->VideoPageSize = BIOS_PAGE_SIZE;
/* Set the start address in the CRTC */
VgaWritePort(VGA_CRTC_INDEX, VGA_CRTC_CURSOR_LOC_LOW_REG);
- VgaWritePort(VGA_CRTC_DATA, LOBYTE(Bda->VideoPageOffset));
+ VgaWritePort(VGA_CRTC_DATA , LOBYTE(Bda->VideoPageOffset));
VgaWritePort(VGA_CRTC_INDEX, VGA_CRTC_CURSOR_LOC_HIGH_REG);
- VgaWritePort(VGA_CRTC_DATA, HIBYTE(Bda->VideoPageOffset));
+ VgaWritePort(VGA_CRTC_DATA , HIBYTE(Bda->VideoPageOffset));
return TRUE;
}
BiosCode[Offset++] = 0xCF; // iret
}
- /* Get the input and output handles to the real console */
- BiosConsoleInput = CreateFile(TEXT("CONIN$"),
- GENERIC_READ | GENERIC_WRITE,
- FILE_SHARE_READ | FILE_SHARE_WRITE,
- NULL,
- OPEN_EXISTING,
- 0,
- NULL);
-
- BiosConsoleOutput = CreateFile(TEXT("CONOUT$"),
+ /* Get the input handle to the real console, and check for success */
+ BiosConsoleInput = CreateFileW(L"CONIN$",
GENERIC_READ | GENERIC_WRITE,
FILE_SHARE_READ | FILE_SHARE_WRITE,
NULL,
OPEN_EXISTING,
0,
NULL);
+ if (BiosConsoleInput == INVALID_HANDLE_VALUE)
+ {
+ return FALSE;
+ }
- /* Make sure it was successful */
- if ((BiosConsoleInput == INVALID_HANDLE_VALUE)
- || (BiosConsoleOutput == INVALID_HANDLE_VALUE))
+ /* Get the output handle to the real console, and check for success */
+ BiosConsoleOutput = CreateFileW(L"CONOUT$",
+ GENERIC_READ | GENERIC_WRITE,
+ FILE_SHARE_READ | FILE_SHARE_WRITE,
+ NULL,
+ OPEN_EXISTING,
+ 0,
+ NULL);
+ if (BiosConsoleOutput == INVALID_HANDLE_VALUE)
{
+ CloseHandle(BiosConsoleInput);
return FALSE;
}
/* Save the console screen buffer information */
if (!GetConsoleScreenBufferInfo(BiosConsoleOutput, &BiosSavedBufferInfo))
{
+ CloseHandle(BiosConsoleOutput);
+ CloseHandle(BiosConsoleInput);
return FALSE;
}
- /* Store the cursor position */
- Bda->CursorPosition[0] = MAKEWORD(BiosSavedBufferInfo.dwCursorPosition.X,
- BiosSavedBufferInfo.dwCursorPosition.Y);
-
- VgaInitialize(BiosConsoleOutput);
+ /* Initialize VGA */
+ if (!VgaInitialize(BiosConsoleOutput))
+ {
+ CloseHandle(BiosConsoleOutput);
+ CloseHandle(BiosConsoleInput);
+ return FALSE;
+ }
+
+ /* Update the cursor position */
+ BiosSetCursorPosition(BiosSavedBufferInfo.dwCursorPosition.Y,
+ BiosSavedBufferInfo.dwCursorPosition.X,
+ 0);
/* Set the console input mode */
SetConsoleMode(BiosConsoleInput, ENABLE_MOUSE_INPUT | ENABLE_PROCESSED_INPUT);
/* Initialize the PIC */
PicWriteCommand(PIC_MASTER_CMD, PIC_ICW1 | PIC_ICW1_ICW4);
- PicWriteCommand(PIC_SLAVE_CMD, PIC_ICW1 | PIC_ICW1_ICW4);
+ PicWriteCommand(PIC_SLAVE_CMD , PIC_ICW1 | PIC_ICW1_ICW4);
/* Set the interrupt offsets */
PicWriteData(PIC_MASTER_DATA, BIOS_PIC_MASTER_INT);
- PicWriteData(PIC_SLAVE_DATA, BIOS_PIC_SLAVE_INT);
+ PicWriteData(PIC_SLAVE_DATA , BIOS_PIC_SLAVE_INT);
/* Tell the master PIC there is a slave at IRQ 2 */
PicWriteData(PIC_MASTER_DATA, 1 << 2);
- PicWriteData(PIC_SLAVE_DATA, 2);
+ PicWriteData(PIC_SLAVE_DATA , 2);
/* Make sure the PIC is in 8086 mode */
PicWriteData(PIC_MASTER_DATA, PIC_ICW4_8086);
- PicWriteData(PIC_SLAVE_DATA, PIC_ICW4_8086);
+ PicWriteData(PIC_SLAVE_DATA , PIC_ICW4_8086);
/* Clear the masks for both PICs */
PicWriteData(PIC_MASTER_DATA, 0x00);
- PicWriteData(PIC_SLAVE_DATA, 0x00);
+ PicWriteData(PIC_SLAVE_DATA , 0x00);
PitWriteCommand(0x34);
PitWriteData(0, 0x00);
SetConsoleScreenBufferSize(BiosConsoleOutput, BiosSavedBufferInfo.dwSize);
/* Close the console handles */
- if (BiosConsoleInput != INVALID_HANDLE_VALUE) CloseHandle(BiosConsoleInput);
if (BiosConsoleOutput != INVALID_HANDLE_VALUE) CloseHandle(BiosConsoleOutput);
+ if (BiosConsoleInput != INVALID_HANDLE_VALUE) CloseHandle(BiosConsoleInput);
}
WORD BiosPeekCharacter(VOID)
/* Modify the CRTC registers */
VgaWritePort(VGA_CRTC_INDEX, VGA_CRTC_CURSOR_LOC_LOW_REG);
- VgaWritePort(VGA_CRTC_DATA, LOBYTE(Offset));
+ VgaWritePort(VGA_CRTC_DATA , LOBYTE(Offset));
VgaWritePort(VGA_CRTC_INDEX, VGA_CRTC_CURSOR_LOC_HIGH_REG);
- VgaWritePort(VGA_CRTC_DATA, HIBYTE(Offset));
+ VgaWritePort(VGA_CRTC_DATA , HIBYTE(Offset));
}
}
BYTE Page,
BYTE FillAttribute)
{
- INT i;
+ DWORD i;
LPWORD WindowData;
DWORD WindowSize = (Rectangle.Bottom - Rectangle.Top + 1)
* (Rectangle.Right - Rectangle.Left + 1);
DWORD Edx = EmulatorGetRegister(EMULATOR_REG_DX);
DWORD Ebx = EmulatorGetRegister(EMULATOR_REG_BX);
- UNREFERENCED_PARAMETER(Ecx);
-
switch (HIBYTE(Eax))
{
/* Set Video Mode */
case 0x00:
{
BiosSetVideoMode(LOBYTE(Eax));
+ VgaClearMemory();
break;
}
/* Modify the CRTC registers */
VgaWritePort(VGA_CRTC_INDEX, VGA_CRTC_CURSOR_START_REG);
- VgaWritePort(VGA_CRTC_DATA, Bda->CursorStartLine);
+ VgaWritePort(VGA_CRTC_DATA , Bda->CursorStartLine);
VgaWritePort(VGA_CRTC_INDEX, VGA_CRTC_CURSOR_END_REG);
- VgaWritePort(VGA_CRTC_DATA, Bda->CursorEndLine);
+ VgaWritePort(VGA_CRTC_DATA , Bda->CursorEndLine);
break;
}
break;
}
+ /* Query Light Pen */
+ case 0x04:
+ {
+ /*
+ * On modern BIOSes, this function returns 0
+ * so that we can ignore the other registers.
+ */
+ EmulatorSetRegister(EMULATOR_REG_AX, 0);
+ break;
+ }
+
/* Select Active Display Page */
case 0x05:
{
- /* Check if the page exists */
- if (LOBYTE(Eax) >= BIOS_MAX_PAGES) break;
-
- /* Check if this is the same page */
- if (LOBYTE(Eax) == Bda->VideoPage) break;
-
- /* Change the video page */
BiosSetVideoPage(LOBYTE(Eax));
-
break;
}
};
/* Call the internal function */
- BiosScrollWindow((HIBYTE(Eax)== 0x06)
+ BiosScrollWindow((HIBYTE(Eax) == 0x06)
? SCROLL_DIRECTION_UP : SCROLL_DIRECTION_DOWN,
LOBYTE(Eax),
Rectangle,
break;
}
+ /* Display combination code */
+ case 0x1A:
+ {
+ switch(LOBYTE(Eax))
+ {
+ case 0x00: /* Get Display combiantion code */
+ EmulatorSetRegister(EMULATOR_REG_AX, MAKEWORD(0x1A, 0x1A));
+ EmulatorSetRegister(EMULATOR_REG_BX, MAKEWORD(0x08, 0x0)); /* VGA w/ color analog display */
+ break;
+ case 0x01: /* Set Display combination code */
+ DPRINT1("Set Display combination code - Unsupported\n");
+ break;
+ default:
+ break;
+ }
+ break;
+ }
+
default:
{
DPRINT1("BIOS Function INT 10h, AH = 0x%02X NOT IMPLEMENTED\n",
projects / reactos.git / blobdiff