#include "bios.h"
#include "io.h"
-#include "hardware/vga.h"
#include "hardware/pic.h"
#include "hardware/ps2.h"
#include "hardware/timer.h"
#include "int32.h"
#include "registers.h"
-/* MACROS *********************************************************************/
-
-//
-// These macros are defined for ease-of-use of some VGA I/O ports
-// whose addresses depend whether we are in Monochrome or Colour mode.
-//
-#define VGA_INSTAT1_READ Bda->CrtBasePort + 6 // VGA_INSTAT1_READ_MONO or VGA_INSTAT1_READ_COLOR
-#define VGA_CRTC_INDEX Bda->CrtBasePort // VGA_CRTC_INDEX_MONO or VGA_CRTC_INDEX_COLOR
-#define VGA_CRTC_DATA Bda->CrtBasePort + 1 // VGA_CRTC_DATA_MONO or VGA_CRTC_DATA_COLOR
-
/* PRIVATE VARIABLES **********************************************************/
PBIOS_DATA_AREA Bda;
static CONSOLE_CURSOR_INFO BiosSavedCursorInfo;
static CONSOLE_SCREEN_BUFFER_INFO BiosSavedBufferInfo;
-/*
- * VGA Register Configurations for BIOS Video Modes
- * The configurations come from DOSBox.
- */
-static VGA_REGISTERS VideoMode_40x25_text =
-{
- /* Miscellaneous Register */
- 0x67,
-
- /* Sequencer Registers */
- {0x00, 0x08, 0x03, 0x00, 0x07},
-
- /* CRTC Registers */
- {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},
-
- /* GC Registers */
- {0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x0E, 0x0F, 0xFF},
-
- /* AC Registers */
- {0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x14, 0x07, 0x38, 0x39, 0x3A, 0x3B,
- 0x3C, 0x3D, 0x3E, 0x3F, 0x0C, 0x00, 0x0F, 0x08, 0x00}
-};
-
-static VGA_REGISTERS VideoMode_80x25_text =
-{
- /* Miscellaneous Register */
- 0x67,
-
- /* Sequencer Registers */
- {0x00, 0x00, 0x03, 0x00, 0x07},
-
- /* CRTC Registers */
- {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},
-
- /* GC Registers */
- {0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x0E, 0x0F, 0xFF},
-
- /* AC Registers */
- {0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x14, 0x07, 0x38, 0x39, 0x3A, 0x3B,
- 0x3C, 0x3D, 0x3E, 0x3F, 0x0C, 0x00, 0x0F, 0x08, 0x00}
-};
-
-static VGA_REGISTERS VideoMode_320x200_4color =
-{
- /* Miscellaneous Register */
- 0x63,
-
- /* Sequencer Registers */
- {0x00, 0x09, 0x03, 0x00, 0x02},
-
- /* CRTC Registers */
- {0x2D, 0x27, 0x28, 0x90, 0x2B, 0x80, 0xBF, 0x1F, 0x00, 0xC1, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x9C, 0x8E, 0x8F, 0x14, 0x00, 0x96, 0xB9, 0xA2,
- 0xFF},
-
- /* GC Registers */
- {0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0x0F, 0x0F, 0xFF},
-
- /* AC Registers */
- {0x00, 0x13, 0x15, 0x17, 0x02, 0x04, 0x06, 0x07, 0x10, 0x11, 0x12, 0x13,
- 0x14, 0x15, 0x16, 0x17, 0x01, 0x00, 0x0F, 0x00, 0x00}
-};
-
-static VGA_REGISTERS VideoMode_640x200_2color =
-{
- /* Miscellaneous Register */
- 0x63,
-
- /* Sequencer Registers */
- {0x00, 0x09, 0x0F, 0x00, 0x02},
-
- /* 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},
-
- /* GC Registers */
- {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0F, 0x0F, 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 VGA_REGISTERS VideoMode_320x200_16color =
-{
- /* Miscellaneous Register */
- 0x63,
-
- /* Sequencer Registers */
- {0x00, 0x09, 0x0F, 0x00, 0x02},
-
- /* 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},
-
- /* GC Registers */
- {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05, 0x0F, 0xFF},
-
- /* AC Registers */
-// {0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x14, 0x07, 0x38, 0x39, 0x3A, 0x3B,
-// 0x3C, 0x3D, 0x3E, 0x3F, 0x01, 0x00, 0x0F, 0x00, 0x00}
- {0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x10, 0x11, 0x12, 0x13,
- 0x14, 0x15, 0x16, 0x17, 0x01, 0x00, 0x0F, 0x00, 0x00}
-};
-
-static VGA_REGISTERS VideoMode_640x200_16color =
-{
- /* Miscellaneous Register */
- 0x63,
-
- /* Sequencer Registers */
- {0x00, 0x01, 0x0F, 0x00, 0x02},
-
- /* 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},
-
- /* GC Registers */
- {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05, 0x0F, 0xFF},
-
- /* AC Registers */
-// {0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x14, 0x07, 0x38, 0x39, 0x3A, 0x3B,
-// 0x3C, 0x3D, 0x3E, 0x3F, 0x01, 0x00, 0x0F, 0x00, 0x00}
- {0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x10, 0x11, 0x12, 0x13,
- 0x14, 0x15, 0x16, 0x17, 0x01, 0x00, 0x0F, 0x00, 0x00}
-};
-
-static VGA_REGISTERS VideoMode_640x350_16color =
-{
- /* Miscellaneous Register */
- 0xA3,
-
- /* Sequencer Registers */
- {0x00, 0x01, 0x0F, 0x00, 0x02},
-
- /* 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},
-
- /* GC Registers */
- {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05, 0x0F, 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 VGA_REGISTERS VideoMode_640x480_2color =
-{
- /* Miscellaneous Register */
- 0xE3,
-
- /* Sequencer Registers */
- {0x00, 0x01, 0x0F, 0x00, 0x02},
-
- /* 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},
-
- /* GC Registers */
- {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05, 0x0F, 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 VGA_REGISTERS VideoMode_640x480_16color =
-{
- /* Miscellaneous Register */
- 0xE3,
-
- /* Sequencer Registers */
- {0x00, 0x01, 0x0F, 0x00, 0x02},
-
- /* 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, 0xE3,
- 0xFF},
-
- /* GC Registers */
- {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05, 0x0F, 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 VGA_REGISTERS VideoMode_320x200_256color =
-{
- /* Miscellaneous Register */
- 0x63,
-
- /* Sequencer Registers */
- {0x00, 0x01, 0x0F, 0x00, 0x0E},
-
- /* CRTC Registers */
- {0x5F, 0x4F, 0x50, 0x82, 0x54, 0x80, 0xBF, 0x1F, 0x00, 0x41, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x9C, 0x8E, 0x8F, 0x28, 0x40, 0x96, 0xB9, 0xA3,
- 0xFF},
-
- /* GC Registers */
- {0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x05, 0x0F, 0xFF},
-
- /* AC Registers */
- {0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B,
- 0x0C, 0x0D, 0x0E, 0x0F, 0x41, 0x00, 0x0F, 0x00, 0x00}
-};
-
-/* See http://wiki.osdev.org/Drawing_In_Protected_Mode#Locating_Video_Memory */
-static PVGA_REGISTERS VideoModes[BIOS_MAX_VIDEO_MODE + 1] =
-{
- &VideoMode_40x25_text, /* Mode 00h */ // 16 color (mono)
- &VideoMode_40x25_text, /* Mode 01h */ // 16 color
- &VideoMode_80x25_text, /* Mode 02h */ // 16 color (mono)
- &VideoMode_80x25_text, /* Mode 03h */ // 16 color
- &VideoMode_320x200_4color, /* Mode 04h */ // CGA 4 color
- &VideoMode_320x200_4color, /* Mode 05h */ // CGA same (m)
- &VideoMode_640x200_2color, /* Mode 06h */ // CGA 640*200 2 color
- NULL, /* Mode 07h */ // MDA monochrome text 80*25
- NULL, /* Mode 08h */ // PCjr
- NULL, /* Mode 09h */ // PCjr
- NULL, /* Mode 0Ah */ // PCjr
- NULL, /* Mode 0Bh */ // Reserved
- NULL, /* Mode 0Ch */ // Reserved
- &VideoMode_320x200_16color, /* Mode 0Dh */ // EGA 320*200 16 color
- &VideoMode_640x200_16color, /* Mode 0Eh */ // EGA 640*200 16 color
- NULL, /* Mode 0Fh */ // EGA 640*350 mono
- &VideoMode_640x350_16color, /* Mode 10h */ // EGA 640*350 HiRes 16 color
- &VideoMode_640x480_2color, /* Mode 11h */ // VGA 640*480 mono
- &VideoMode_640x480_16color, /* Mode 12h */ // VGA
- &VideoMode_320x200_256color, /* Mode 13h */ // VGA
-};
-
-// FIXME: Are they computable with the previous data ??
-// Values taken from DOSBox.
-static WORD VideoModePageSize[BIOS_MAX_VIDEO_MODE + 1] =
-{
- 0x0800, 0x0800, 0x1000, 0x1000,
- 0x4000, 0x4000, 0x4000, 0x1000,
- 0x0000, 0x0000, 0x0000, 0x0000,
- 0x0000, 0x2000, 0x4000, 0x8000,
- 0x8000, 0xA000, 0xA000, 0x2000
-};
-
-/*
- * BIOS Mode Palettes
- *
- * Many people have different versions of those palettes
- * (e.g. DOSBox, http://www.brokenthorn.com/Resources/OSDevVid2.html ,
- * etc...) A choice should be made at some point.
- */
-
-// This is the same as EgaPalette__HiRes
-static CONST COLORREF TextPalette[VGA_MAX_COLORS / 4] =
-{
- RGB(0x00, 0x00, 0x00), RGB(0x00, 0x00, 0xAA), RGB(0x00, 0xAA, 0x00), RGB(0x00, 0xAA, 0xAA),
- RGB(0xAA, 0x00, 0x00), RGB(0xAA, 0x00, 0xAA), RGB(0xAA, 0xAA, 0x00), RGB(0xAA, 0xAA, 0xAA),
- RGB(0x00, 0x00, 0x55), RGB(0x00, 0x00, 0xFF), RGB(0x00, 0xAA, 0x55), RGB(0x00, 0xAA, 0xFF),
- RGB(0xAA, 0x00, 0x55), RGB(0xAA, 0x00, 0xFF), RGB(0xAA, 0xAA, 0x55), RGB(0xAA, 0xAA, 0xFF),
-
- RGB(0x00, 0x55, 0x00), RGB(0x00, 0x55, 0xAA), RGB(0x00, 0xFF, 0x00), RGB(0x00, 0xFF, 0xAA),
- RGB(0xAA, 0x55, 0x00), RGB(0xAA, 0x55, 0xAA), RGB(0xAA, 0xFF, 0x00), RGB(0xAA, 0xFF, 0xAA),
- RGB(0x00, 0x55, 0x55), RGB(0x00, 0x55, 0xFF), RGB(0x00, 0xFF, 0x55), RGB(0x00, 0xFF, 0xFF),
- RGB(0xAA, 0x55, 0x55), RGB(0xAA, 0x55, 0xFF), RGB(0xAA, 0xFF, 0x55), RGB(0xAA, 0xFF, 0xFF),
-
-
- RGB(0x55, 0x00, 0x00), RGB(0x55, 0x00, 0xAA), RGB(0x55, 0xAA, 0x00), RGB(0x55, 0xAA, 0xAA),
- RGB(0xFF, 0x00, 0x00), RGB(0xFF, 0x00, 0xAA), RGB(0xFF, 0xAA, 0x00), RGB(0xFF, 0xAA, 0xAA),
- RGB(0x55, 0x00, 0x55), RGB(0x55, 0x00, 0xFF), RGB(0x55, 0xAA, 0x55), RGB(0x55, 0xAA, 0xFF),
- RGB(0xFF, 0x00, 0x55), RGB(0xFF, 0x00, 0xFF), RGB(0xFF, 0xAA, 0x55), RGB(0xFF, 0xAA, 0xFF),
-
- RGB(0x55, 0x55, 0x00), RGB(0x55, 0x55, 0xAA), RGB(0x55, 0xFF, 0x00), RGB(0x55, 0xFF, 0xAA),
- RGB(0xFF, 0x55, 0x00), RGB(0xFF, 0x55, 0xAA), RGB(0xFF, 0xFF, 0x00), RGB(0xFF, 0xFF, 0xAA),
- RGB(0x55, 0x55, 0x55), RGB(0x55, 0x55, 0xFF), RGB(0x55, 0xFF, 0x55), RGB(0x55, 0xFF, 0xFF),
- RGB(0xFF, 0x55, 0x55), RGB(0xFF, 0x55, 0xFF), RGB(0xFF, 0xFF, 0x55), RGB(0xFF, 0xFF, 0xFF)
-};
-
-// Unused at the moment
-static CONST COLORREF mtext_palette[64] =
-{
- RGB(0x00, 0x00, 0x00), RGB(0x00, 0x00, 0x00), RGB(0x00, 0x00, 0x00), RGB(0x00, 0x00, 0x00),
- RGB(0x00, 0x00, 0x00), RGB(0x00, 0x00, 0x00), RGB(0x00, 0x00, 0x00), RGB(0x00, 0x00, 0x00),
- RGB(0xAA, 0xAA, 0xAA), RGB(0xAA, 0xAA, 0xAA), RGB(0xAA, 0xAA, 0xAA), RGB(0xAA, 0xAA, 0xAA),
- RGB(0xAA, 0xAA, 0xAA), RGB(0xAA, 0xAA, 0xAA), RGB(0xAA, 0xAA, 0xAA), RGB(0xAA, 0xAA, 0xAA),
- RGB(0x00, 0x00, 0x00), RGB(0x00, 0x00, 0x00), RGB(0x00, 0x00, 0x00), RGB(0x00, 0x00, 0x00),
- RGB(0x00, 0x00, 0x00), RGB(0x00, 0x00, 0x00), RGB(0x00, 0x00, 0x00), RGB(0x00, 0x00, 0x00),
- RGB(0xFF, 0xFF, 0xFF), RGB(0xFF, 0xFF, 0xFF), RGB(0xFF, 0xFF, 0xFF), RGB(0xFF, 0xFF, 0xFF),
- RGB(0xFF, 0xFF, 0xFF), RGB(0xFF, 0xFF, 0xFF), RGB(0xFF, 0xFF, 0xFF), RGB(0xFF, 0xFF, 0xFF),
-
- RGB(0x00, 0x00, 0x00), RGB(0x00, 0x00, 0x00), RGB(0x00, 0x00, 0x00), RGB(0x00, 0x00, 0x00),
- RGB(0x00, 0x00, 0x00), RGB(0x00, 0x00, 0x00), RGB(0x00, 0x00, 0x00), RGB(0x00, 0x00, 0x00),
- RGB(0xAA, 0xAA, 0xAA), RGB(0xAA, 0xAA, 0xAA), RGB(0xAA, 0xAA, 0xAA), RGB(0xAA, 0xAA, 0xAA),
- RGB(0xAA, 0xAA, 0xAA), RGB(0xAA, 0xAA, 0xAA), RGB(0xAA, 0xAA, 0xAA), RGB(0xAA, 0xAA, 0xAA),
- RGB(0x00, 0x00, 0x00), RGB(0x00, 0x00, 0x00), RGB(0x00, 0x00, 0x00), RGB(0x00, 0x00, 0x00),
- RGB(0x00, 0x00, 0x00), RGB(0x00, 0x00, 0x00), RGB(0x00, 0x00, 0x00), RGB(0x00, 0x00, 0x00),
- RGB(0xFF, 0xFF, 0xFF), RGB(0xFF, 0xFF, 0xFF), RGB(0xFF, 0xFF, 0xFF), RGB(0xFF, 0xFF, 0xFF),
- RGB(0xFF, 0xFF, 0xFF), RGB(0xFF, 0xFF, 0xFF), RGB(0xFF, 0xFF, 0xFF), RGB(0xFF, 0xFF, 0xFF)
-};
-
-// Unused at the moment
-static CONST COLORREF mtext_s3_palette[64] =
-{
- RGB(0x00, 0x00, 0x00), RGB(0x00, 0x00, 0x00), RGB(0x00, 0x00, 0x00), RGB(0x00, 0x00, 0x00),
- RGB(0x00, 0x00, 0x00), RGB(0x00, 0x00, 0x00), RGB(0x00, 0x00, 0x00), RGB(0x00, 0x00, 0x00),
- RGB(0xAA, 0xAA, 0xAA), RGB(0xAA, 0xAA, 0xAA), RGB(0xAA, 0xAA, 0xAA), RGB(0xAA, 0xAA, 0xAA),
- RGB(0xAA, 0xAA, 0xAA), RGB(0xAA, 0xAA, 0xAA), RGB(0xAA, 0xAA, 0xAA), RGB(0xAA, 0xAA, 0xAA),
- RGB(0xAA, 0xAA, 0xAA), RGB(0xAA, 0xAA, 0xAA), RGB(0xAA, 0xAA, 0xAA), RGB(0xAA, 0xAA, 0xAA),
- RGB(0xAA, 0xAA, 0xAA), RGB(0xAA, 0xAA, 0xAA), RGB(0xAA, 0xAA, 0xAA), RGB(0xAA, 0xAA, 0xAA),
- RGB(0xFF, 0xFF, 0xFF), RGB(0xFF, 0xFF, 0xFF), RGB(0xFF, 0xFF, 0xFF), RGB(0xFF, 0xFF, 0xFF),
- RGB(0xFF, 0xFF, 0xFF), RGB(0xFF, 0xFF, 0xFF), RGB(0xFF, 0xFF, 0xFF), RGB(0xFF, 0xFF, 0xFF),
-
- RGB(0x00, 0x00, 0x00), RGB(0x00, 0x00, 0x00), RGB(0x00, 0x00, 0x00), RGB(0x00, 0x00, 0x00),
- RGB(0x00, 0x00, 0x00), RGB(0x00, 0x00, 0x00), RGB(0x00, 0x00, 0x00), RGB(0x00, 0x00, 0x00),
- RGB(0xAA, 0xAA, 0xAA), RGB(0xAA, 0xAA, 0xAA), RGB(0xAA, 0xAA, 0xAA), RGB(0xAA, 0xAA, 0xAA),
- RGB(0xAA, 0xAA, 0xAA), RGB(0xAA, 0xAA, 0xAA), RGB(0xAA, 0xAA, 0xAA), RGB(0xAA, 0xAA, 0xAA),
- RGB(0xAA, 0xAA, 0xAA), RGB(0xAA, 0xAA, 0xAA), RGB(0xAA, 0xAA, 0xAA), RGB(0xAA, 0xAA, 0xAA),
- RGB(0xAA, 0xAA, 0xAA), RGB(0xAA, 0xAA, 0xAA), RGB(0xAA, 0xAA, 0xAA), RGB(0xAA, 0xAA, 0xAA),
- RGB(0xFF, 0xFF, 0xFF), RGB(0xFF, 0xFF, 0xFF), RGB(0xFF, 0xFF, 0xFF), RGB(0xFF, 0xFF, 0xFF),
- RGB(0xFF, 0xFF, 0xFF), RGB(0xFF, 0xFF, 0xFF), RGB(0xFF, 0xFF, 0xFF), RGB(0xFF, 0xFF, 0xFF)
-};
-
-// Unused at the moment
-static CONST COLORREF CgaPalette[16] =
-{
- RGB(0x00, 0x00, 0x00), RGB(0x00, 0x00, 0xAA), RGB(0x00, 0xAA, 0x00), RGB(0x00, 0xAA, 0xAA),
- RGB(0xAA, 0x00, 0x00), RGB(0xAA, 0x00, 0xAA), RGB(0xAA, 0x55, 0x00), RGB(0xAA, 0xAA, 0xAA),
- RGB(0x55, 0x55, 0x55), RGB(0x55, 0x55, 0xFF), RGB(0x55, 0xFF, 0x55), RGB(0x55, 0xFF, 0xFF),
- RGB(0xFF, 0x55, 0x55), RGB(0xFF, 0x55, 0xFF), RGB(0xFF, 0xFF, 0x55), RGB(0xFF, 0xFF, 0xFF)
-};
-
-// Unused at the moment
-static CONST COLORREF CgaPalette2[VGA_MAX_COLORS / 4] =
-{
- RGB(0x00, 0x00, 0x00), RGB(0x00, 0x00, 0xAA), RGB(0x00, 0xAA, 0x00), RGB(0x00, 0xAA, 0xAA),
- RGB(0xAA, 0x00, 0x00), RGB(0xAA, 0x00, 0xAA), RGB(0xAA, 0x55, 0x00), RGB(0xAA, 0xAA, 0xAA),
- RGB(0x00, 0x00, 0x00), RGB(0x00, 0x00, 0xAA), RGB(0x00, 0xAA, 0x00), RGB(0x00, 0xAA, 0xAA),
- RGB(0xAA, 0x00, 0x00), RGB(0xAA, 0x00, 0xAA), RGB(0xAA, 0x55, 0x00), RGB(0xAA, 0xAA, 0xAA),
- RGB(0x55, 0x55, 0x55), RGB(0x55, 0x55, 0xFF), RGB(0x55, 0xFF, 0x55), RGB(0x55, 0xFF, 0xFF),
- RGB(0xFF, 0x55, 0x55), RGB(0xFF, 0x55, 0xFF), RGB(0xFF, 0xFF, 0x55), RGB(0xFF, 0xFF, 0xFF),
- RGB(0x55, 0x55, 0x55), RGB(0x55, 0x55, 0xFF), RGB(0x55, 0xFF, 0x55), RGB(0x55, 0xFF, 0xFF),
- RGB(0xFF, 0x55, 0x55), RGB(0xFF, 0x55, 0xFF), RGB(0xFF, 0xFF, 0x55), RGB(0xFF, 0xFF, 0xFF),
- RGB(0x00, 0x00, 0x00), RGB(0x00, 0x00, 0xAA), RGB(0x00, 0xAA, 0x00), RGB(0x00, 0xAA, 0xAA),
- RGB(0xAA, 0x00, 0x00), RGB(0xAA, 0x00, 0xAA), RGB(0xAA, 0x55, 0x00), RGB(0xAA, 0xAA, 0xAA),
- RGB(0x00, 0x00, 0x00), RGB(0x00, 0x00, 0xAA), RGB(0x00, 0xAA, 0x00), RGB(0x00, 0xAA, 0xAA),
- RGB(0xAA, 0x00, 0x00), RGB(0xAA, 0x00, 0xAA), RGB(0xAA, 0x55, 0x00), RGB(0xAA, 0xAA, 0xAA),
- RGB(0x55, 0x55, 0x55), RGB(0x55, 0x55, 0xFF), RGB(0x55, 0xFF, 0x55), RGB(0x55, 0xFF, 0xFF),
- RGB(0xFF, 0x55, 0x55), RGB(0xFF, 0x55, 0xFF), RGB(0xFF, 0xFF, 0x55), RGB(0xFF, 0xFF, 0xFF),
- RGB(0x55, 0x55, 0x55), RGB(0x55, 0x55, 0xFF), RGB(0x55, 0xFF, 0x55), RGB(0x55, 0xFF, 0xFF),
- RGB(0xFF, 0x55, 0x55), RGB(0xFF, 0x55, 0xFF), RGB(0xFF, 0xFF, 0x55), RGB(0xFF, 0xFF, 0xFF)
-};
-
-static CONST COLORREF EgaPalette___16ColorFixed_DOSBox[VGA_MAX_COLORS / 4] =
-{
- RGB(0x00, 0x00, 0x00), RGB(0x00, 0x00, 0xAA), RGB(0x00, 0xAA, 0x00), RGB(0x00, 0xAA, 0xAA),
- RGB(0xAA, 0x00, 0x00), RGB(0xAA, 0x00, 0xAA), RGB(0xAA, 0x55, 0x00), RGB(0xAA, 0xAA, 0xAA),
-
- RGB(0x00, 0x00, 0x00), RGB(0x00, 0x00, 0xAA), RGB(0x00, 0xAA, 0x00), RGB(0x00, 0xAA, 0xAA),
- RGB(0xAA, 0x00, 0x00), RGB(0xAA, 0x00, 0xAA), RGB(0xAA, 0x55, 0x00), RGB(0xAA, 0xAA, 0xAA),
-
-
- RGB(0x55, 0x55, 0x55), RGB(0x55, 0x55, 0xFF), RGB(0x55, 0xFF, 0x55), RGB(0x55, 0xFF, 0xFF),
- RGB(0xFF, 0x55, 0x55), RGB(0xFF, 0x55, 0xFF), RGB(0xFF, 0xFF, 0x55), RGB(0xFF, 0xFF, 0xFF),
-
- RGB(0x55, 0x55, 0x55), RGB(0x55, 0x55, 0xFF), RGB(0x55, 0xFF, 0x55), RGB(0x55, 0xFF, 0xFF),
- RGB(0xFF, 0x55, 0x55), RGB(0xFF, 0x55, 0xFF), RGB(0xFF, 0xFF, 0x55), RGB(0xFF, 0xFF, 0xFF),
-
-
-
- RGB(0x00, 0x00, 0x00), RGB(0x00, 0x00, 0xAA), RGB(0x00, 0xAA, 0x00), RGB(0x00, 0xAA, 0xAA),
- RGB(0xAA, 0x00, 0x00), RGB(0xAA, 0x00, 0xAA), RGB(0xAA, 0x55, 0x00), RGB(0xAA, 0xAA, 0xAA),
-
- RGB(0x00, 0x00, 0x00), RGB(0x00, 0x00, 0xAA), RGB(0x00, 0xAA, 0x00), RGB(0x00, 0xAA, 0xAA),
- RGB(0xAA, 0x00, 0x00), RGB(0xAA, 0x00, 0xAA), RGB(0xAA, 0x55, 0x00), RGB(0xAA, 0xAA, 0xAA),
-
-
- RGB(0x55, 0x55, 0x55), RGB(0x55, 0x55, 0xFF), RGB(0x55, 0xFF, 0x55), RGB(0x55, 0xFF, 0xFF),
- RGB(0xFF, 0x55, 0x55), RGB(0xFF, 0x55, 0xFF), RGB(0xFF, 0xFF, 0x55), RGB(0xFF, 0xFF, 0xFF),
-
- RGB(0x55, 0x55, 0x55), RGB(0x55, 0x55, 0xFF), RGB(0x55, 0xFF, 0x55), RGB(0x55, 0xFF, 0xFF),
- RGB(0xFF, 0x55, 0x55), RGB(0xFF, 0x55, 0xFF), RGB(0xFF, 0xFF, 0x55), RGB(0xFF, 0xFF, 0xFF)
-};
-
-// This is the same as TextPalette
-static CONST COLORREF EgaPalette__HiRes[VGA_MAX_COLORS / 4] =
-{
- RGB(0x00, 0x00, 0x00), RGB(0x00, 0x00, 0xAA), RGB(0x00, 0xAA, 0x00), RGB(0x00, 0xAA, 0xAA),
- RGB(0xAA, 0x00, 0x00), RGB(0xAA, 0x00, 0xAA), RGB(0xAA, 0xAA, 0x00), RGB(0xAA, 0xAA, 0xAA),
- RGB(0x00, 0x00, 0x55), RGB(0x00, 0x00, 0xFF), RGB(0x00, 0xAA, 0x55), RGB(0x00, 0xAA, 0xFF),
- RGB(0xAA, 0x00, 0x55), RGB(0xAA, 0x00, 0xFF), RGB(0xAA, 0xAA, 0x55), RGB(0xAA, 0xAA, 0xFF),
-
- RGB(0x00, 0x55, 0x00), RGB(0x00, 0x55, 0xAA), RGB(0x00, 0xFF, 0x00), RGB(0x00, 0xFF, 0xAA),
- RGB(0xAA, 0x55, 0x00), RGB(0xAA, 0x55, 0xAA), RGB(0xAA, 0xFF, 0x00), RGB(0xAA, 0xFF, 0xAA),
- RGB(0x00, 0x55, 0x55), RGB(0x00, 0x55, 0xFF), RGB(0x00, 0xFF, 0x55), RGB(0x00, 0xFF, 0xFF),
- RGB(0xAA, 0x55, 0x55), RGB(0xAA, 0x55, 0xFF), RGB(0xAA, 0xFF, 0x55), RGB(0xAA, 0xFF, 0xFF),
-
-
- RGB(0x55, 0x00, 0x00), RGB(0x55, 0x00, 0xAA), RGB(0x55, 0xAA, 0x00), RGB(0x55, 0xAA, 0xAA),
- RGB(0xFF, 0x00, 0x00), RGB(0xFF, 0x00, 0xAA), RGB(0xFF, 0xAA, 0x00), RGB(0xFF, 0xAA, 0xAA),
- RGB(0x55, 0x00, 0x55), RGB(0x55, 0x00, 0xFF), RGB(0x55, 0xAA, 0x55), RGB(0x55, 0xAA, 0xFF),
- RGB(0xFF, 0x00, 0x55), RGB(0xFF, 0x00, 0xFF), RGB(0xFF, 0xAA, 0x55), RGB(0xFF, 0xAA, 0xFF),
-
- RGB(0x55, 0x55, 0x00), RGB(0x55, 0x55, 0xAA), RGB(0x55, 0xFF, 0x00), RGB(0x55, 0xFF, 0xAA),
- RGB(0xFF, 0x55, 0x00), RGB(0xFF, 0x55, 0xAA), RGB(0xFF, 0xFF, 0x00), RGB(0xFF, 0xFF, 0xAA),
- RGB(0x55, 0x55, 0x55), RGB(0x55, 0x55, 0xFF), RGB(0x55, 0xFF, 0x55), RGB(0x55, 0xFF, 0xFF),
- RGB(0xFF, 0x55, 0x55), RGB(0xFF, 0x55, 0xFF), RGB(0xFF, 0xFF, 0x55), RGB(0xFF, 0xFF, 0xFF)
-};
-
-#define USE_REACTOS_COLORS
-// #define USE_DOSBOX_COLORS
-
-/*
- * Same palette as the default one 'VgaDefaultPalette' in vga.c
- */
-#if defined(USE_REACTOS_COLORS)
-
-// ReactOS colors
-static CONST COLORREF VgaPalette[VGA_MAX_COLORS] =
-{
- RGB(0x00, 0x00, 0x00), RGB(0x00, 0x00, 0xAA), RGB(0x00, 0xAA, 0x00), RGB(0x00, 0xAA, 0xAA),
- RGB(0xAA, 0x00, 0x00), RGB(0xAA, 0x00, 0xAA), RGB(0xAA, 0x55, 0x00), RGB(0xAA, 0xAA, 0xAA),
- RGB(0x55, 0x55, 0x55), RGB(0x55, 0x55, 0xFF), RGB(0x55, 0xFF, 0x55), RGB(0x55, 0xFF, 0xFF),
- RGB(0xFF, 0x55, 0x55), RGB(0xFF, 0x55, 0xFF), RGB(0xFF, 0xFF, 0x55), RGB(0xFF, 0xFF, 0xFF),
- RGB(0x00, 0x00, 0x00), RGB(0x10, 0x10, 0x10), RGB(0x20, 0x20, 0x20), RGB(0x35, 0x35, 0x35),
- RGB(0x45, 0x45, 0x45), RGB(0x55, 0x55, 0x55), RGB(0x65, 0x65, 0x65), RGB(0x75, 0x75, 0x75),
- RGB(0x8A, 0x8A, 0x8A), RGB(0x9A, 0x9A, 0x9A), RGB(0xAA, 0xAA, 0xAA), RGB(0xBA, 0xBA, 0xBA),
- RGB(0xCA, 0xCA, 0xCA), RGB(0xDF, 0xDF, 0xDF), RGB(0xEF, 0xEF, 0xEF), RGB(0xFF, 0xFF, 0xFF),
- RGB(0x00, 0x00, 0xFF), RGB(0x41, 0x00, 0xFF), RGB(0x82, 0x00, 0xFF), RGB(0xBE, 0x00, 0xFF),
- RGB(0xFF, 0x00, 0xFF), RGB(0xFF, 0x00, 0xBE), RGB(0xFF, 0x00, 0x82), RGB(0xFF, 0x00, 0x41),
- RGB(0xFF, 0x00, 0x00), RGB(0xFF, 0x41, 0x00), RGB(0xFF, 0x82, 0x00), RGB(0xFF, 0xBE, 0x00),
- RGB(0xFF, 0xFF, 0x00), RGB(0xBE, 0xFF, 0x00), RGB(0x82, 0xFF, 0x00), RGB(0x41, 0xFF, 0x00),
- RGB(0x00, 0xFF, 0x00), RGB(0x00, 0xFF, 0x41), RGB(0x00, 0xFF, 0x82), RGB(0x00, 0xFF, 0xBE),
- RGB(0x00, 0xFF, 0xFF), RGB(0x00, 0xBE, 0xFF), RGB(0x00, 0x82, 0xFF), RGB(0x00, 0x41, 0xFF),
- RGB(0x82, 0x82, 0xFF), RGB(0x9E, 0x82, 0xFF), RGB(0xBE, 0x82, 0xFF), RGB(0xDF, 0x82, 0xFF),
- RGB(0xFF, 0x82, 0xFF), RGB(0xFF, 0x82, 0xDF), RGB(0xFF, 0x82, 0xBE), RGB(0xFF, 0x82, 0x9E),
- RGB(0xFF, 0x82, 0x82), RGB(0xFF, 0x9E, 0x82), RGB(0xFF, 0xBE, 0x82), RGB(0xFF, 0xDF, 0x82),
- RGB(0xFF, 0xFF, 0x82), RGB(0xDF, 0xFF, 0x82), RGB(0xBE, 0xFF, 0x82), RGB(0x9E, 0xFF, 0x82),
- RGB(0x82, 0xFF, 0x82), RGB(0x82, 0xFF, 0x9E), RGB(0x82, 0xFF, 0xBE), RGB(0x82, 0xFF, 0xDF),
- RGB(0x82, 0xFF, 0xFF), RGB(0x82, 0xDF, 0xFF), RGB(0x82, 0xBE, 0xFF), RGB(0x82, 0x9E, 0xFF),
- RGB(0xBA, 0xBA, 0xFF), RGB(0xCA, 0xBA, 0xFF), RGB(0xDF, 0xBA, 0xFF), RGB(0xEF, 0xBA, 0xFF),
- RGB(0xFF, 0xBA, 0xFF), RGB(0xFF, 0xBA, 0xEF), RGB(0xFF, 0xBA, 0xDF), RGB(0xFF, 0xBA, 0xCA),
- RGB(0xFF, 0xBA, 0xBA), RGB(0xFF, 0xCA, 0xBA), RGB(0xFF, 0xDF, 0xBA), RGB(0xFF, 0xEF, 0xBA),
- RGB(0xFF, 0xFF, 0xBA), RGB(0xEF, 0xFF, 0xBA), RGB(0xDF, 0xFF, 0xBA), RGB(0xCA, 0xFF, 0xBA),
- RGB(0xBA, 0xFF, 0xBA), RGB(0xBA, 0xFF, 0xCA), RGB(0xBA, 0xFF, 0xDF), RGB(0xBA, 0xFF, 0xEF),
- RGB(0xBA, 0xFF, 0xFF), RGB(0xBA, 0xEF, 0xFF), RGB(0xBA, 0xDF, 0xFF), RGB(0xBA, 0xCA, 0xFF),
- RGB(0x00, 0x00, 0x71), RGB(0x1C, 0x00, 0x71), RGB(0x39, 0x00, 0x71), RGB(0x55, 0x00, 0x71),
- RGB(0x71, 0x00, 0x71), RGB(0x71, 0x00, 0x55), RGB(0x71, 0x00, 0x39), RGB(0x71, 0x00, 0x1C),
- RGB(0x71, 0x00, 0x00), RGB(0x71, 0x1C, 0x00), RGB(0x71, 0x39, 0x00), RGB(0x71, 0x55, 0x00),
- RGB(0x71, 0x71, 0x00), RGB(0x55, 0x71, 0x00), RGB(0x39, 0x71, 0x00), RGB(0x1C, 0x71, 0x00),
- RGB(0x00, 0x71, 0x00), RGB(0x00, 0x71, 0x1C), RGB(0x00, 0x71, 0x39), RGB(0x00, 0x71, 0x55),
- RGB(0x00, 0x71, 0x71), RGB(0x00, 0x55, 0x71), RGB(0x00, 0x39, 0x71), RGB(0x00, 0x1C, 0x71),
- RGB(0x39, 0x39, 0x71), RGB(0x45, 0x39, 0x71), RGB(0x55, 0x39, 0x71), RGB(0x61, 0x39, 0x71),
- RGB(0x71, 0x39, 0x71), RGB(0x71, 0x39, 0x61), RGB(0x71, 0x39, 0x55), RGB(0x71, 0x39, 0x45),
- RGB(0x71, 0x39, 0x39), RGB(0x71, 0x45, 0x39), RGB(0x71, 0x55, 0x39), RGB(0x71, 0x61, 0x39),
- RGB(0x71, 0x71, 0x39), RGB(0x61, 0x71, 0x39), RGB(0x55, 0x71, 0x39), RGB(0x45, 0x71, 0x39),
- RGB(0x39, 0x71, 0x39), RGB(0x39, 0x71, 0x45), RGB(0x39, 0x71, 0x55), RGB(0x39, 0x71, 0x61),
- RGB(0x39, 0x71, 0x71), RGB(0x39, 0x61, 0x71), RGB(0x39, 0x55, 0x71), RGB(0x39, 0x45, 0x71),
- RGB(0x51, 0x51, 0x71), RGB(0x59, 0x51, 0x71), RGB(0x61, 0x51, 0x71), RGB(0x69, 0x51, 0x71),
- RGB(0x71, 0x51, 0x71), RGB(0x71, 0x51, 0x69), RGB(0x71, 0x51, 0x61), RGB(0x71, 0x51, 0x59),
- RGB(0x71, 0x51, 0x51), RGB(0x71, 0x59, 0x51), RGB(0x71, 0x61, 0x51), RGB(0x71, 0x69, 0x51),
- RGB(0x71, 0x71, 0x51), RGB(0x69, 0x71, 0x51), RGB(0x61, 0x71, 0x51), RGB(0x59, 0x71, 0x51),
- RGB(0x51, 0x71, 0x51), RGB(0x51, 0x71, 0x59), RGB(0x51, 0x71, 0x61), RGB(0x51, 0x71, 0x69),
- RGB(0x51, 0x71, 0x71), RGB(0x51, 0x69, 0x71), RGB(0x51, 0x61, 0x71), RGB(0x51, 0x59, 0x71),
- RGB(0x00, 0x00, 0x41), RGB(0x10, 0x00, 0x41), RGB(0x20, 0x00, 0x41), RGB(0x31, 0x00, 0x41),
- RGB(0x41, 0x00, 0x41), RGB(0x41, 0x00, 0x31), RGB(0x41, 0x00, 0x20), RGB(0x41, 0x00, 0x10),
- RGB(0x41, 0x00, 0x00), RGB(0x41, 0x10, 0x00), RGB(0x41, 0x20, 0x00), RGB(0x41, 0x31, 0x00),
- RGB(0x41, 0x41, 0x00), RGB(0x31, 0x41, 0x00), RGB(0x20, 0x41, 0x00), RGB(0x10, 0x41, 0x00),
- RGB(0x00, 0x41, 0x00), RGB(0x00, 0x41, 0x10), RGB(0x00, 0x41, 0x20), RGB(0x00, 0x41, 0x31),
- RGB(0x00, 0x41, 0x41), RGB(0x00, 0x31, 0x41), RGB(0x00, 0x20, 0x41), RGB(0x00, 0x10, 0x41),
- RGB(0x20, 0x20, 0x41), RGB(0x28, 0x20, 0x41), RGB(0x31, 0x20, 0x41), RGB(0x39, 0x20, 0x41),
- RGB(0x41, 0x20, 0x41), RGB(0x41, 0x20, 0x39), RGB(0x41, 0x20, 0x31), RGB(0x41, 0x20, 0x28),
- RGB(0x41, 0x20, 0x20), RGB(0x41, 0x28, 0x20), RGB(0x41, 0x31, 0x20), RGB(0x41, 0x39, 0x20),
- RGB(0x41, 0x41, 0x20), RGB(0x39, 0x41, 0x20), RGB(0x31, 0x41, 0x20), RGB(0x28, 0x41, 0x20),
- RGB(0x20, 0x41, 0x20), RGB(0x20, 0x41, 0x28), RGB(0x20, 0x41, 0x31), RGB(0x20, 0x41, 0x39),
- RGB(0x20, 0x41, 0x41), RGB(0x20, 0x39, 0x41), RGB(0x20, 0x31, 0x41), RGB(0x20, 0x28, 0x41),
- RGB(0x2D, 0x2D, 0x41), RGB(0x31, 0x2D, 0x41), RGB(0x35, 0x2D, 0x41), RGB(0x3D, 0x2D, 0x41),
- RGB(0x41, 0x2D, 0x41), RGB(0x41, 0x2D, 0x3D), RGB(0x41, 0x2D, 0x35), RGB(0x41, 0x2D, 0x31),
- RGB(0x41, 0x2D, 0x2D), RGB(0x41, 0x31, 0x2D), RGB(0x41, 0x35, 0x2D), RGB(0x41, 0x3D, 0x2D),
- RGB(0x41, 0x41, 0x2D), RGB(0x3D, 0x41, 0x2D), RGB(0x35, 0x41, 0x2D), RGB(0x31, 0x41, 0x2D),
- RGB(0x2D, 0x41, 0x2D), RGB(0x2D, 0x41, 0x31), RGB(0x2D, 0x41, 0x35), RGB(0x2D, 0x41, 0x3D),
- RGB(0x2D, 0x41, 0x41), RGB(0x2D, 0x3D, 0x41), RGB(0x2D, 0x35, 0x41), RGB(0x2D, 0x31, 0x41),
- RGB(0x00, 0x00, 0x00), RGB(0x00, 0x00, 0x00), RGB(0x00, 0x00, 0x00), RGB(0x00, 0x00, 0x00),
- RGB(0x00, 0x00, 0x00), RGB(0x00, 0x00, 0x00), RGB(0x00, 0x00, 0x00), RGB(0x00, 0x00, 0x00)
-};
-
-#elif defined(USE_DOSBOX_COLORS)
-
-// DOSBox colors
-static CONST COLORREF VgaPalette[VGA_MAX_COLORS] =
-{
- RGB(0x00, 0x00, 0x00), RGB(0x00, 0x00, 0xAA), RGB(0x00, 0xAA, 0x00), RGB(0x00, 0xAA, 0xAA),
- RGB(0xAA, 0x00, 0x00), RGB(0xAA, 0x00, 0xAA), RGB(0xAA, 0x55, 0x00), RGB(0xAA, 0xAA, 0xAA),
- RGB(0x55, 0x55, 0x55), RGB(0x55, 0x55, 0xFF), RGB(0x55, 0xFF, 0x55), RGB(0x55, 0xFF, 0xFF),
- RGB(0xFF, 0x55, 0x55), RGB(0xFF, 0x55, 0xFF), RGB(0xFF, 0xFF, 0x55), RGB(0xFF, 0xFF, 0xFF),
- RGB(0x00, 0x00, 0x00), RGB(0x14, 0x14, 0x14), RGB(0x20, 0x20, 0x20), RGB(0x2C, 0x2C, 0x2C),
- RGB(0x38, 0x38, 0x38), RGB(0x45, 0x45, 0x45), RGB(0x51, 0x51, 0x51), RGB(0x61, 0x61, 0x61),
- RGB(0x71, 0x71, 0x71), RGB(0x82, 0x82, 0x82), RGB(0x92, 0x92, 0x92), RGB(0xA2, 0xA2, 0xA2),
- RGB(0xB6, 0xB6, 0xB6), RGB(0xCB, 0xCB, 0xCB), RGB(0xE3, 0xE3, 0xE3), RGB(0xFF, 0xFF, 0xFF),
- RGB(0x00, 0x00, 0xFF), RGB(0x41, 0x00, 0xFF), RGB(0x7D, 0x00, 0xFF), RGB(0xBE, 0x00, 0xFF),
- RGB(0xFF, 0x00, 0xFF), RGB(0xFF, 0x00, 0xBE), RGB(0xFF, 0x00, 0x7D), RGB(0xFF, 0x00, 0x41),
- RGB(0xFF, 0x00, 0x00), RGB(0xFF, 0x41, 0x00), RGB(0xFF, 0x7D, 0x00), RGB(0xFF, 0xBE, 0x00),
- RGB(0xFF, 0xFF, 0x00), RGB(0xBE, 0xFF, 0x00), RGB(0x7D, 0xFF, 0x00), RGB(0x41, 0xFF, 0x00),
- RGB(0x00, 0xFF, 0x00), RGB(0x00, 0xFF, 0x41), RGB(0x00, 0xFF, 0x7D), RGB(0x00, 0xFF, 0xBE),
- RGB(0x00, 0xFF, 0xFF), RGB(0x00, 0xBE, 0xFF), RGB(0x00, 0x7D, 0xFF), RGB(0x00, 0x41, 0xFF),
- RGB(0x7D, 0x7D, 0xFF), RGB(0x9E, 0x7D, 0xFF), RGB(0xBE, 0x7D, 0xFF), RGB(0xDF, 0x7D, 0xFF),
- RGB(0xFF, 0x7D, 0xFF), RGB(0xFF, 0x7D, 0xDF), RGB(0xFF, 0x7D, 0xBE), RGB(0xFF, 0x7D, 0x9E),
-
- RGB(0xFF, 0x7D, 0x7D), RGB(0xFF, 0x9E, 0x7D), RGB(0xFF, 0xBE, 0x7D), RGB(0xFF, 0xDF, 0x7D),
- RGB(0xFF, 0xFF, 0x7D), RGB(0xDF, 0xFF, 0x7D), RGB(0xBE, 0xFF, 0x7D), RGB(0x9E, 0xFF, 0x7D),
- RGB(0x7D, 0xFF, 0x7D), RGB(0x7D, 0xFF, 0x9E), RGB(0x7D, 0xFF, 0xBE), RGB(0x7D, 0xFF, 0xDF),
- RGB(0x7D, 0xFF, 0xFF), RGB(0x7D, 0xDF, 0xFF), RGB(0x7D, 0xBE, 0xFF), RGB(0x7D, 0x9E, 0xFF),
- RGB(0xB6, 0xB6, 0xFF), RGB(0xC7, 0xB6, 0xFF), RGB(0xDB, 0xB6, 0xFF), RGB(0xEB, 0xB6, 0xFF),
- RGB(0xFF, 0xB6, 0xFF), RGB(0xFF, 0xB6, 0xEB), RGB(0xFF, 0xB6, 0xDB), RGB(0xFF, 0xB6, 0xC7),
- RGB(0xFF, 0xB6, 0xB6), RGB(0xFF, 0xC7, 0xB6), RGB(0xFF, 0xDB, 0xB6), RGB(0xFF, 0xEB, 0xB6),
- RGB(0xFF, 0xFF, 0xB6), RGB(0xEB, 0xFF, 0xB6), RGB(0xDB, 0xFF, 0xB6), RGB(0xC7, 0xFF, 0xB6),
- RGB(0xB6, 0xFF, 0xB6), RGB(0xB6, 0xFF, 0xC7), RGB(0xB6, 0xFF, 0xDB), RGB(0xB6, 0xFF, 0xEB),
- RGB(0xB6, 0xFF, 0xFF), RGB(0xB6, 0xEB, 0xFF), RGB(0xB6, 0xDB, 0xFF), RGB(0xB6, 0xC7, 0xFF),
- RGB(0x00, 0x00, 0x71), RGB(0x1C, 0x00, 0x71), RGB(0x38, 0x00, 0x71), RGB(0x55, 0x00, 0x71),
- RGB(0x71, 0x00, 0x71), RGB(0x71, 0x00, 0x55), RGB(0x71, 0x00, 0x38), RGB(0x71, 0x00, 0x1C),
- RGB(0x71, 0x00, 0x00), RGB(0x71, 0x1C, 0x00), RGB(0x71, 0x38, 0x00), RGB(0x71, 0x55, 0x00),
- RGB(0x71, 0x71, 0x00), RGB(0x55, 0x71, 0x00), RGB(0x38, 0x71, 0x00), RGB(0x1C, 0x71, 0x00),
- RGB(0x00, 0x71, 0x00), RGB(0x00, 0x71, 0x1C), RGB(0x00, 0x71, 0x38), RGB(0x00, 0x71, 0x55),
- RGB(0x00, 0x71, 0x71), RGB(0x00, 0x55, 0x71), RGB(0x00, 0x38, 0x71), RGB(0x00, 0x1C, 0x71),
-
- RGB(0x38, 0x38, 0x71), RGB(0x45, 0x38, 0x71), RGB(0x55, 0x38, 0x71), RGB(0x61, 0x38, 0x71),
- RGB(0x71, 0x38, 0x71), RGB(0x71, 0x38, 0x61), RGB(0x71, 0x38, 0x55), RGB(0x71, 0x38, 0x45),
- RGB(0x71, 0x38, 0x38), RGB(0x71, 0x45, 0x38), RGB(0x71, 0x55, 0x38), RGB(0x71, 0x61, 0x38),
- RGB(0x71, 0x71, 0x38), RGB(0x61, 0x71, 0x38), RGB(0x55, 0x71, 0x38), RGB(0x45, 0x71, 0x38),
- RGB(0x38, 0x71, 0x38), RGB(0x38, 0x71, 0x45), RGB(0x38, 0x71, 0x55), RGB(0x38, 0x71, 0x61),
- RGB(0x38, 0x71, 0x71), RGB(0x38, 0x61, 0x71), RGB(0x38, 0x55, 0x71), RGB(0x38, 0x45, 0x71),
- RGB(0x51, 0x51, 0x71), RGB(0x59, 0x51, 0x71), RGB(0x61, 0x51, 0x71), RGB(0x69, 0x51, 0x71),
- RGB(0x71, 0x51, 0x71), RGB(0x71, 0x51, 0x69), RGB(0x71, 0x51, 0x61), RGB(0x71, 0x51, 0x59),
- RGB(0x71, 0x51, 0x51), RGB(0x71, 0x59, 0x51), RGB(0x71, 0x61, 0x51), RGB(0x71, 0x69, 0x51),
- RGB(0x71, 0x71, 0x51), RGB(0x69, 0x71, 0x51), RGB(0x61, 0x71, 0x51), RGB(0x59, 0x71, 0x51),
- RGB(0x51, 0x71, 0x51), RGB(0x51, 0x71, 0x59), RGB(0x51, 0x71, 0x61), RGB(0x51, 0x71, 0x69),
- RGB(0x51, 0x71, 0x71), RGB(0x51, 0x69, 0x71), RGB(0x51, 0x61, 0x71), RGB(0x51, 0x59, 0x71),
- RGB(0x00, 0x00, 0x41), RGB(0x10, 0x00, 0x41), RGB(0x20, 0x00, 0x41), RGB(0x30, 0x00, 0x41),
- RGB(0x41, 0x00, 0x41), RGB(0x41, 0x00, 0x30), RGB(0x41, 0x00, 0x20), RGB(0x41, 0x00, 0x10),
- RGB(0x41, 0x00, 0x00), RGB(0x41, 0x10, 0x00), RGB(0x41, 0x20, 0x00), RGB(0x41, 0x30, 0x00),
- RGB(0x41, 0x41, 0x00), RGB(0x30, 0x41, 0x00), RGB(0x20, 0x41, 0x00), RGB(0x10, 0x41, 0x00),
-
- RGB(0x00, 0x41, 0x00), RGB(0x00, 0x41, 0x10), RGB(0x00, 0x41, 0x20), RGB(0x00, 0x41, 0x30),
- RGB(0x00, 0x41, 0x41), RGB(0x00, 0x30, 0x41), RGB(0x00, 0x20, 0x41), RGB(0x00, 0x10, 0x41),
- RGB(0x20, 0x20, 0x41), RGB(0x28, 0x20, 0x41), RGB(0x30, 0x20, 0x41), RGB(0x38, 0x20, 0x41),
- RGB(0x41, 0x20, 0x41), RGB(0x41, 0x20, 0x38), RGB(0x41, 0x20, 0x30), RGB(0x41, 0x20, 0x28),
- RGB(0x41, 0x20, 0x20), RGB(0x41, 0x28, 0x20), RGB(0x41, 0x30, 0x20), RGB(0x41, 0x38, 0x20),
- RGB(0x41, 0x41, 0x20), RGB(0x38, 0x41, 0x20), RGB(0x30, 0x41, 0x20), RGB(0x28, 0x41, 0x20),
- RGB(0x20, 0x41, 0x20), RGB(0x20, 0x41, 0x28), RGB(0x20, 0x41, 0x30), RGB(0x20, 0x41, 0x38),
- RGB(0x20, 0x41, 0x41), RGB(0x20, 0x38, 0x41), RGB(0x20, 0x30, 0x41), RGB(0x20, 0x28, 0x41),
- RGB(0x2C, 0x2C, 0x41), RGB(0x30, 0x2C, 0x41), RGB(0x34, 0x2C, 0x41), RGB(0x3C, 0x2C, 0x41),
- RGB(0x41, 0x2C, 0x41), RGB(0x41, 0x2C, 0x3C), RGB(0x41, 0x2C, 0x34), RGB(0x41, 0x2C, 0x30),
- RGB(0x41, 0x2C, 0x2C), RGB(0x41, 0x30, 0x2C), RGB(0x41, 0x34, 0x2C), RGB(0x41, 0x3C, 0x2C),
- RGB(0x41, 0x41, 0x2C), RGB(0x3C, 0x41, 0x2C), RGB(0x34, 0x41, 0x2C), RGB(0x30, 0x41, 0x2C),
- RGB(0x2C, 0x41, 0x2C), RGB(0x2C, 0x41, 0x30), RGB(0x2C, 0x41, 0x34), RGB(0x2C, 0x41, 0x3C),
- RGB(0x2C, 0x41, 0x41), RGB(0x2C, 0x3C, 0x41), RGB(0x2C, 0x34, 0x41), RGB(0x2C, 0x30, 0x41),
- RGB(0x00, 0x00, 0x00), RGB(0x00, 0x00, 0x00), RGB(0x00, 0x00, 0x00), RGB(0x00, 0x00, 0x00),
- RGB(0x00, 0x00, 0x00), RGB(0x00, 0x00, 0x00), RGB(0x00, 0x00, 0x00), RGB(0x00, 0x00, 0x00)
-};
-
-#endif
-
/* PRIVATE FUNCTIONS **********************************************************/
static BOOLEAN BiosKbdBufferPush(WORD Data)
return TRUE;
}
-static VOID BiosReadWindow(LPWORD Buffer, SMALL_RECT Rectangle, BYTE Page)
-{
- 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++)
- {
- /* Read from video memory */
- VgaReadMemory(VideoAddress + (i * Bda->ScreenColumns + j) * sizeof(WORD),
- (LPVOID)&Character,
- sizeof(WORD));
-
- /* Write the data to the buffer in row order */
- Buffer[Counter++] = Character;
- }
- }
-}
-
-static VOID BiosWriteWindow(LPWORD Buffer, SMALL_RECT Rectangle, BYTE Page)
-{
- 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++)
- {
- Character = Buffer[Counter++];
-
- /* Write to video memory */
- VgaWriteMemory(VideoAddress + (i * Bda->ScreenColumns + j) * sizeof(WORD),
- (LPVOID)&Character,
- sizeof(WORD));
- }
- }
-}
-
-static BOOLEAN BiosScrollWindow(INT Direction,
- DWORD Amount,
- SMALL_RECT Rectangle,
- BYTE Page,
- BYTE FillAttribute)
-{
- DWORD i;
- LPWORD WindowData;
- WORD WindowWidth = Rectangle.Right - Rectangle.Left + 1;
- WORD WindowHeight = Rectangle.Bottom - Rectangle.Top + 1;
- DWORD WindowSize = WindowWidth * WindowHeight;
-
- /* Allocate a buffer for the window */
- WindowData = (LPWORD)HeapAlloc(GetProcessHeap(),
- HEAP_ZERO_MEMORY,
- WindowSize * sizeof(WORD));
- if (WindowData == NULL) return FALSE;
-
- /* Read the window data */
- BiosReadWindow(WindowData, Rectangle, Page);
-
- if ((Amount == 0)
- || (((Direction == SCROLL_DIRECTION_UP)
- || (Direction == SCROLL_DIRECTION_DOWN))
- && (Amount >= WindowHeight))
- || (((Direction == SCROLL_DIRECTION_LEFT)
- || (Direction == SCROLL_DIRECTION_RIGHT))
- && (Amount >= WindowWidth)))
- {
- /* Fill the window */
- for (i = 0; i < WindowSize; i++)
- {
- WindowData[i] = MAKEWORD(' ', FillAttribute);
- }
-
- goto Done;
- }
-
- switch (Direction)
- {
- case SCROLL_DIRECTION_UP:
- {
- RtlMoveMemory(WindowData,
- &WindowData[WindowWidth * Amount],
- (WindowSize - WindowWidth * Amount) * sizeof(WORD));
-
- for (i = 0; i < Amount * WindowWidth; i++)
- {
- WindowData[WindowSize - i - 1] = MAKEWORD(' ', FillAttribute);
- }
-
- break;
- }
-
- case SCROLL_DIRECTION_DOWN:
- {
- RtlMoveMemory(&WindowData[WindowWidth * Amount],
- WindowData,
- (WindowSize - WindowWidth * Amount) * sizeof(WORD));
-
- for (i = 0; i < Amount * WindowWidth; i++)
- {
- WindowData[i] = MAKEWORD(' ', FillAttribute);
- }
-
- break;
- }
-
- default:
- {
- // TODO: NOT IMPLEMENTED!
- UNIMPLEMENTED;
- }
- }
-
-Done:
- /* Write back the window data */
- BiosWriteWindow(WindowData, Rectangle, Page);
-
- /* Free the window buffer */
- HeapFree(GetProcessHeap(), 0, WindowData);
-
- return TRUE;
-}
-
-static VOID BiosCopyTextConsoleToVgaMemory(PCOORD ConsoleSize)
-{
- PCHAR_INFO CharBuffer;
- COORD BufferSize = {Bda->ScreenColumns, Bda->ScreenRows + 1};
- COORD Origin = { 0, 0 };
- SMALL_RECT ConRect;
-
- INT i, j;
- INT Counter = 0;
- WORD Character;
- DWORD VideoAddress = TO_LINEAR(TEXT_VIDEO_SEG, Bda->VideoPage * Bda->VideoPageSize);
-
- /* Allocate a temporary buffer for ReadConsoleOutput */
- CharBuffer = HeapAlloc(GetProcessHeap(),
- HEAP_ZERO_MEMORY,
- BufferSize.X * BufferSize.Y
- * sizeof(CHAR_INFO));
- if (CharBuffer == NULL) return;
-
- ConRect.Left = 0;
- ConRect.Top = ConsoleSize->Y - BufferSize.Y;
- ConRect.Right = ConRect.Left + BufferSize.X - 1;
- ConRect.Bottom = ConRect.Top + BufferSize.Y - 1;
-
- /* Read the data from the console into the temporary buffer... */
- ReadConsoleOutputA(BiosConsoleOutput,
- CharBuffer,
- BufferSize,
- Origin,
- &ConRect);
-
- /* ... and copy the temporary buffer into the VGA memory */
- for (i = 0; i < BufferSize.Y; i++)
- {
- for (j = 0; j < BufferSize.X; j++)
- {
- Character = MAKEWORD(CharBuffer[Counter].Char.AsciiChar,
- (BYTE)CharBuffer[Counter].Attributes);
- ++Counter;
-
- /* Write to video memory */
- VgaWriteMemory(VideoAddress + (i * Bda->ScreenColumns + j) * sizeof(WORD),
- (LPVOID)&Character,
- sizeof(WORD));
- }
- }
-
- /* Free the temporary buffer */
- HeapFree(GetProcessHeap(), 0, CharBuffer);
-}
-
-static BOOLEAN VgaSetRegisters(PVGA_REGISTERS Registers)
-{
- INT i;
-
- if (Registers == NULL) return FALSE;
-
- /* Disable interrupts */
- setIF(0);
-
- /*
- * Set the CRT base address according to the selected mode,
- * monochrome or color. The following macros:
- * VGA_INSTAT1_READ, VGA_CRTC_INDEX and VGA_CRTC_DATA are then
- * used to access the correct VGA I/O ports.
- */
- Bda->CrtBasePort = (Registers->Misc & 0x01) ? VGA_CRTC_INDEX_COLOR
- : VGA_CRTC_INDEX_MONO;
-
- /* Write the misc register */
- IOWriteB(VGA_MISC_WRITE, Registers->Misc);
-
- /* Synchronous reset on */
- IOWriteB(VGA_SEQ_INDEX, VGA_SEQ_RESET_REG);
- IOWriteB(VGA_SEQ_DATA , VGA_SEQ_RESET_AR);
-
- /* Write the sequencer registers */
- for (i = 1; i < VGA_SEQ_MAX_REG; i++)
- {
- IOWriteB(VGA_SEQ_INDEX, i);
- IOWriteB(VGA_SEQ_DATA, Registers->Sequencer[i]);
- }
-
- /* Synchronous reset off */
- IOWriteB(VGA_SEQ_INDEX, VGA_SEQ_RESET_REG);
- IOWriteB(VGA_SEQ_DATA , VGA_SEQ_RESET_SR | VGA_SEQ_RESET_AR);
-
- /* Unlock CRTC registers 0-7 */
- IOWriteB(VGA_CRTC_INDEX, VGA_CRTC_END_HORZ_BLANKING_REG);
- IOWriteB(VGA_CRTC_DATA, IOReadB(VGA_CRTC_DATA) | 0x80);
- IOWriteB(VGA_CRTC_INDEX, VGA_CRTC_VERT_RETRACE_END_REG);
- IOWriteB(VGA_CRTC_DATA, IOReadB(VGA_CRTC_DATA) & ~0x80);
- // Make sure they remain unlocked
- Registers->CRT[VGA_CRTC_END_HORZ_BLANKING_REG] |= 0x80;
- Registers->CRT[VGA_CRTC_VERT_RETRACE_END_REG] &= ~0x80;
-
- /* Write the CRTC registers */
- for (i = 0; i < VGA_CRTC_MAX_REG; i++)
- {
- IOWriteB(VGA_CRTC_INDEX, i);
- IOWriteB(VGA_CRTC_DATA, Registers->CRT[i]);
- }
-
- /* Write the GC registers */
- for (i = 0; i < VGA_GC_MAX_REG; i++)
- {
- IOWriteB(VGA_GC_INDEX, i);
- IOWriteB(VGA_GC_DATA, Registers->Graphics[i]);
- }
-
- /* Write the AC registers */
- // DbgPrint("\n");
- for (i = 0; i < VGA_AC_MAX_REG; i++)
- {
- IOReadB(VGA_INSTAT1_READ); // Put the AC register into index state
- IOWriteB(VGA_AC_INDEX, i);
- IOWriteB(VGA_AC_WRITE, Registers->Attribute[i]);
- // DbgPrint("Registers->Attribute[%d] = %d\n", i, Registers->Attribute[i]);
- }
- // DbgPrint("\n");
-
- /* Set the PEL mask */
- IOWriteB(VGA_DAC_MASK, 0xFF);
-
- /* Enable screen and disable palette access */
- IOReadB(VGA_INSTAT1_READ); // Put the AC register into index state
- IOWriteB(VGA_AC_INDEX, 0x20);
-
- /* Enable interrupts */
- setIF(1);
-
- return TRUE;
-}
-
-static VOID VgaSetPalette(const COLORREF* Palette, ULONG Size)
-{
- ULONG i;
-
- // /* Disable screen and enable palette access */
- // IOReadB(VGA_INSTAT1_READ); // Put the AC register into index state
- // IOWriteB(VGA_AC_INDEX, 0x00);
-
- for (i = 0; i < Size; i++)
- {
- IOWriteB(VGA_DAC_WRITE_INDEX, i);
- IOWriteB(VGA_DAC_DATA, VGA_COLOR_TO_DAC(GetRValue(Palette[i])));
- IOWriteB(VGA_DAC_DATA, VGA_COLOR_TO_DAC(GetGValue(Palette[i])));
- IOWriteB(VGA_DAC_DATA, VGA_COLOR_TO_DAC(GetBValue(Palette[i])));
- }
-
- /* The following step might be optional */
- for (i = Size; i < VGA_MAX_COLORS; i++)
- {
- IOWriteB(VGA_DAC_WRITE_INDEX, i);
- IOWriteB(VGA_DAC_DATA, VGA_COLOR_TO_DAC(0x00));
- IOWriteB(VGA_DAC_DATA, VGA_COLOR_TO_DAC(0x00));
- IOWriteB(VGA_DAC_DATA, VGA_COLOR_TO_DAC(0x00));
- }
-
- /* Enable screen and disable palette access */
- // IOReadB(VGA_INSTAT1_READ); // Put the AC register into index state
- // IOWriteB(VGA_AC_INDEX, 0x20);
-}
-
-static VOID VgaChangePalette(BYTE ModeNumber)
-{
- const COLORREF* Palette;
- ULONG Size;
-
- if (ModeNumber >= 0x13)
- {
- /* VGA modes */
- Palette = VgaPalette;
- Size = sizeof(VgaPalette)/sizeof(VgaPalette[0]);
- }
- else if (ModeNumber == 0x10)
- {
- /* EGA HiRes mode */
- Palette = EgaPalette__HiRes;
- Size = sizeof(EgaPalette__HiRes)/sizeof(EgaPalette__HiRes[0]);
- }
- else // if ((ModeNumber == 0x0D) || (ModeNumber == 0x0E))
- {
- /* EGA modes */
- Palette = EgaPalette___16ColorFixed_DOSBox;
- Size = sizeof(EgaPalette___16ColorFixed_DOSBox)/sizeof(EgaPalette___16ColorFixed_DOSBox[0]);
- }
-
- VgaSetPalette(Palette, Size);
-}
-
-static VOID BiosGetCursorPosition(PBYTE Row, PBYTE Column, BYTE Page)
-{
- /* Make sure the selected video page is valid */
- if (Page >= BIOS_MAX_PAGES) return;
-
- /* Get the cursor location */
- *Row = HIBYTE(Bda->CursorPosition[Page]);
- *Column = LOBYTE(Bda->CursorPosition[Page]);
-}
-
-static VOID BiosSetCursorPosition(BYTE Row, BYTE Column, BYTE Page)
-{
- /* Make sure the selected video page is valid */
- if (Page >= BIOS_MAX_PAGES) return;
-
- /* Update the position in the BDA */
- Bda->CursorPosition[Page] = MAKEWORD(Column, Row);
-
- /* Check if this is the current video page */
- if (Page == Bda->VideoPage)
- {
- WORD Offset = Row * Bda->ScreenColumns + Column;
-
- /* Modify the CRTC registers */
- IOWriteB(VGA_CRTC_INDEX, VGA_CRTC_CURSOR_LOC_LOW_REG);
- IOWriteB(VGA_CRTC_DATA , LOBYTE(Offset));
- IOWriteB(VGA_CRTC_INDEX, VGA_CRTC_CURSOR_LOC_HIGH_REG);
- IOWriteB(VGA_CRTC_DATA , HIBYTE(Offset));
- }
-}
-
-BYTE BiosGetVideoMode(VOID)
-{
- return Bda->VideoMode;
-}
-
-static BOOLEAN BiosSetVideoMode(BYTE ModeNumber)
-{
- BYTE Page;
-
- COORD Resolution;
- PVGA_REGISTERS VgaMode = VideoModes[ModeNumber];
-
- DPRINT1("Switching to mode %Xh; VgaMode = 0x%p\n", ModeNumber, VgaMode);
-
- if (!VgaSetRegisters(VgaMode)) return FALSE;
-
- VgaChangePalette(ModeNumber);
-
- /*
- * IBM standard modes do not clear the screen if the
- * high bit of AL is set (EGA or higher only).
- * See Ralf Brown: http://www.ctyme.com/intr/rb-0069.htm
- * for more information.
- */
- if ((ModeNumber & 0x08) == 0) VgaClearMemory();
-
- // Bda->CrtModeControl;
- // Bda->CrtColorPaletteMask;
- // Bda->EGAFlags;
- // Bda->VGAFlags;
-
- /* Update the values in the BDA */
- Bda->VideoMode = ModeNumber;
- Bda->VideoPageSize = VideoModePageSize[ModeNumber];
- Bda->VideoPage = 0;
- Bda->VideoPageOffset = Bda->VideoPage * Bda->VideoPageSize;
-
- /* Set the start address in the CRTC */
- IOWriteB(VGA_CRTC_INDEX, VGA_CRTC_START_ADDR_LOW_REG);
- IOWriteB(VGA_CRTC_DATA , LOBYTE(Bda->VideoPageOffset));
- IOWriteB(VGA_CRTC_INDEX, VGA_CRTC_START_ADDR_HIGH_REG);
- IOWriteB(VGA_CRTC_DATA , HIBYTE(Bda->VideoPageOffset));
-
- /* Get the character height */
- IOWriteB(VGA_CRTC_INDEX, VGA_CRTC_MAX_SCAN_LINE_REG);
- Bda->CharacterHeight = 1 + (IOReadB(VGA_CRTC_DATA) & 0x1F);
-
- Resolution = VgaGetDisplayResolution();
- Bda->ScreenColumns = Resolution.X;
- Bda->ScreenRows = Resolution.Y - 1;
-
- /* Set the cursor position for each page */
- for (Page = 0; Page < BIOS_MAX_PAGES; ++Page)
- BiosSetCursorPosition(0, 0, Page);
-
- return TRUE;
-}
-
-static BOOLEAN BiosSetVideoPage(BYTE PageNumber)
-{
- BYTE Row, Column;
-
- /* 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;
-
- /* Update the values in the BDA */
- Bda->VideoPage = PageNumber;
- Bda->VideoPageOffset = Bda->VideoPage * Bda->VideoPageSize;
-
- /* Set the start address in the CRTC */
- IOWriteB(VGA_CRTC_INDEX, VGA_CRTC_START_ADDR_LOW_REG);
- IOWriteB(VGA_CRTC_DATA , LOBYTE(Bda->VideoPageOffset));
- IOWriteB(VGA_CRTC_INDEX, VGA_CRTC_START_ADDR_HIGH_REG);
- IOWriteB(VGA_CRTC_DATA , HIBYTE(Bda->VideoPageOffset));
-
- /*
- * Get the cursor location (we don't update anything on the BIOS side
- * but we update the cursor location on the VGA side).
- */
- BiosGetCursorPosition(&Row, &Column, PageNumber);
- BiosSetCursorPosition(Row, Column, PageNumber);
-
- return TRUE;
-}
-
-static VOID WINAPI BiosVideoService(LPWORD Stack)
-{
- switch (getAH())
- {
- /* Set Video Mode */
- case 0x00:
- {
- BiosSetVideoMode(getAL());
- break;
- }
-
- /* Set Text-Mode Cursor Shape */
- case 0x01:
- {
- /* Update the BDA */
- Bda->CursorStartLine = getCH();
- Bda->CursorEndLine = getCL();
-
- /* Modify the CRTC registers */
- IOWriteB(VGA_CRTC_INDEX, VGA_CRTC_CURSOR_START_REG);
- IOWriteB(VGA_CRTC_DATA , Bda->CursorStartLine);
- IOWriteB(VGA_CRTC_INDEX, VGA_CRTC_CURSOR_END_REG);
- IOWriteB(VGA_CRTC_DATA , Bda->CursorEndLine);
-
- break;
- }
-
- /* Set Cursor Position */
- case 0x02:
- {
- BiosSetCursorPosition(getDH(), getDL(), getBH());
- break;
- }
-
- /* Get Cursor Position */
- case 0x03:
- {
- /* Make sure the selected video page exists */
- if (getBH() >= BIOS_MAX_PAGES) break;
-
- /* Return the result */
- setAX(0);
- setCX(MAKEWORD(Bda->CursorEndLine, Bda->CursorStartLine));
- setDX(Bda->CursorPosition[getBH()]);
- break;
- }
-
- /* Query Light Pen */
- case 0x04:
- {
- /*
- * On modern BIOSes, this function returns 0
- * so that we can ignore the other registers.
- */
- setAX(0);
- break;
- }
-
- /* Select Active Display Page */
- case 0x05:
- {
- BiosSetVideoPage(getAL());
- break;
- }
-
- /* Scroll Window Up/Down */
- case 0x06:
- case 0x07:
- {
- SMALL_RECT Rectangle = { getCL(), getCH(), getDL(), getDH() };
-
- /* Call the internal function */
- BiosScrollWindow((getAH() == 0x06) ? SCROLL_DIRECTION_UP
- : SCROLL_DIRECTION_DOWN,
- getAL(),
- Rectangle,
- Bda->VideoPage,
- getBH());
-
- break;
- }
-
- /* Read/Write Character From Cursor Position */
- case 0x08:
- case 0x09:
- case 0x0A:
- {
- WORD CharacterData = MAKEWORD(getAL(), getBL());
- BYTE Page = getBH();
- DWORD Offset;
-
- /* Check if the page exists */
- if (Page >= BIOS_MAX_PAGES) break;
-
- /* Find the offset of the character */
- Offset = Page * Bda->VideoPageSize +
- (HIBYTE(Bda->CursorPosition[Page]) * Bda->ScreenColumns +
- LOBYTE(Bda->CursorPosition[Page])) * 2;
-
- if (getAH() == 0x08)
- {
- /* Read from the video memory */
- VgaReadMemory(TO_LINEAR(TEXT_VIDEO_SEG, Offset),
- (LPVOID)&CharacterData,
- sizeof(WORD));
-
- /* Return the character in AX */
- setAX(CharacterData);
- }
- else
- {
- /* Write to video memory */
- VgaWriteMemory(TO_LINEAR(TEXT_VIDEO_SEG, Offset),
- (LPVOID)&CharacterData,
- (getBH() == 0x09) ? sizeof(WORD) : sizeof(BYTE));
- }
-
- break;
- }
-
- /* Teletype Output */
- case 0x0E:
- {
- BiosPrintCharacter(getAL(), getBL(), getBH());
- break;
- }
-
- /* Get Current Video Mode */
- case 0x0F:
- {
- setAX(MAKEWORD(Bda->VideoMode, Bda->ScreenColumns));
- setBX(MAKEWORD(getBL(), Bda->VideoPage));
- break;
- }
-
- /* Palette Control */
- case 0x10:
- {
- switch (getAL())
- {
- /* Set Single Palette Register */
- case 0x00:
- {
- /* Write the index */
- IOReadB(VGA_INSTAT1_READ); // Put the AC register into index state
- IOWriteB(VGA_AC_INDEX, getBL());
-
- /* Write the data */
- IOWriteB(VGA_AC_WRITE, getBH());
-
- /* Enable screen and disable palette access */
- IOReadB(VGA_INSTAT1_READ); // Put the AC register into index state
- IOWriteB(VGA_AC_INDEX, 0x20);
- break;
- }
-
- /* Set Overscan Color */
- case 0x01:
- {
- /* Write the index */
- IOReadB(VGA_INSTAT1_READ); // Put the AC register into index state
- IOWriteB(VGA_AC_INDEX, VGA_AC_OVERSCAN_REG);
-
- /* Write the data */
- IOWriteB(VGA_AC_WRITE, getBH());
-
- /* Enable screen and disable palette access */
- IOReadB(VGA_INSTAT1_READ); // Put the AC register into index state
- IOWriteB(VGA_AC_INDEX, 0x20);
- break;
- }
-
- /* Set All Palette Registers */
- case 0x02:
- {
- INT i;
- LPBYTE Buffer = SEG_OFF_TO_PTR(getES(), getDX());
-
- /* Set the palette registers */
- for (i = 0; i <= VGA_AC_PAL_F_REG; i++)
- {
- /* Write the index */
- IOReadB(VGA_INSTAT1_READ); // Put the AC register into index state
- IOWriteB(VGA_AC_INDEX, i);
-
- /* Write the data */
- IOWriteB(VGA_AC_WRITE, Buffer[i]);
- }
-
- /* Set the overscan register */
- IOWriteB(VGA_AC_INDEX, VGA_AC_OVERSCAN_REG);
- IOWriteB(VGA_AC_WRITE, Buffer[VGA_AC_PAL_F_REG + 1]);
-
- /* Enable screen and disable palette access */
- IOReadB(VGA_INSTAT1_READ); // Put the AC register into index state
- IOWriteB(VGA_AC_INDEX, 0x20);
- break;
- }
-
- /* Get Single Palette Register */
- case 0x07:
- {
- /* Write the index */
- IOReadB(VGA_INSTAT1_READ); // Put the AC register into index state
- IOWriteB(VGA_AC_INDEX, getBL());
-
- /* Read the data */
- setBH(IOReadB(VGA_AC_READ));
-
- /* Enable screen and disable palette access */
- IOReadB(VGA_INSTAT1_READ); // Put the AC register into index state
- IOWriteB(VGA_AC_INDEX, 0x20);
- break;
- }
-
- /* Get Overscan Color */
- case 0x08:
- {
- /* Write the index */
- IOReadB(VGA_INSTAT1_READ); // Put the AC register into index state
- IOWriteB(VGA_AC_INDEX, VGA_AC_OVERSCAN_REG);
-
- /* Read the data */
- setBH(IOReadB(VGA_AC_READ));
-
- /* Enable screen and disable palette access */
- IOReadB(VGA_INSTAT1_READ); // Put the AC register into index state
- IOWriteB(VGA_AC_INDEX, 0x20);
- break;
- }
-
- /* Get All Palette Registers */
- case 0x09:
- {
- INT i;
- LPBYTE Buffer = SEG_OFF_TO_PTR(getES(), getDX());
-
- /* Get the palette registers */
- for (i = 0; i <= VGA_AC_PAL_F_REG; i++)
- {
- /* Write the index */
- IOReadB(VGA_INSTAT1_READ); // Put the AC register into index state
- IOWriteB(VGA_AC_INDEX, i);
-
- /* Read the data */
- Buffer[i] = IOReadB(VGA_AC_READ);
- }
-
- /* Get the overscan register */
- IOWriteB(VGA_AC_INDEX, VGA_AC_OVERSCAN_REG);
- Buffer[VGA_AC_PAL_F_REG + 1] = IOReadB(VGA_AC_READ);
-
- /* Enable screen and disable palette access */
- IOReadB(VGA_INSTAT1_READ); // Put the AC register into index state
- IOWriteB(VGA_AC_INDEX, 0x20);
- break;
- }
-
- /* Set Individual DAC Register */
- case 0x10:
- {
- /* Write the index */
- // Certainly in BL and not in BX as said by Ralf Brown...
- IOWriteB(VGA_DAC_WRITE_INDEX, getBL());
-
- /* Write the data in this order: Red, Green, Blue */
- IOWriteB(VGA_DAC_DATA, getDH());
- IOWriteB(VGA_DAC_DATA, getCH());
- IOWriteB(VGA_DAC_DATA, getCL());
-
- break;
- }
-
- /* Set Block of DAC Registers */
- case 0x12:
- {
- INT i;
- LPBYTE Buffer = SEG_OFF_TO_PTR(getES(), getDX());
-
- /* Write the index */
- // Certainly in BL and not in BX as said by Ralf Brown...
- IOWriteB(VGA_DAC_WRITE_INDEX, getBL());
-
- for (i = 0; i < getCX(); i++)
- {
- /* Write the data in this order: Red, Green, Blue */
- IOWriteB(VGA_DAC_DATA, *Buffer++);
- IOWriteB(VGA_DAC_DATA, *Buffer++);
- IOWriteB(VGA_DAC_DATA, *Buffer++);
- }
-
- break;
- }
-
- /* Get Individual DAC Register */
- case 0x15:
- {
- /* Write the index */
- IOWriteB(VGA_DAC_READ_INDEX, getBL());
-
- /* Read the data in this order: Red, Green, Blue */
- setDH(IOReadB(VGA_DAC_DATA));
- setCH(IOReadB(VGA_DAC_DATA));
- setCL(IOReadB(VGA_DAC_DATA));
-
- break;
- }
-
- /* Get Block of DAC Registers */
- case 0x17:
- {
- INT i;
- LPBYTE Buffer = SEG_OFF_TO_PTR(getES(), getDX());
-
- /* Write the index */
- // Certainly in BL and not in BX as said by Ralf Brown...
- IOWriteB(VGA_DAC_READ_INDEX, getBL());
-
- for (i = 0; i < getCX(); i++)
- {
- /* Write the data in this order: Red, Green, Blue */
- *Buffer++ = IOReadB(VGA_DAC_DATA);
- *Buffer++ = IOReadB(VGA_DAC_DATA);
- *Buffer++ = IOReadB(VGA_DAC_DATA);
- }
-
- break;
- }
-
- default:
- {
- DPRINT1("BIOS Palette Control Sub-command AL = 0x%02X NOT IMPLEMENTED\n",
- getAL());
- break;
- }
- }
-
- break;
- }
-
- /* Scroll Window */
- case 0x12:
- {
- SMALL_RECT Rectangle = { getCL(), getCH(), getDL(), getDH() };
-
- /* Call the internal function */
- BiosScrollWindow(getBL(),
- getAL(),
- Rectangle,
- Bda->VideoPage,
- DEFAULT_ATTRIBUTE);
-
- break;
- }
-
- /* Display combination code */
- case 0x1A:
- {
- switch(getAL())
- {
- case 0x00: /* Get Display combiantion code */
- setAX(MAKEWORD(0x1A, 0x1A));
- setBX(MAKEWORD(0x08, 0x00)); /* 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",
- getAH());
- }
- }
-}
-
static VOID WINAPI BiosEquipmentService(LPWORD Stack)
{
/* Return the equipment list */
return CharacterData;
}
-VOID BiosPrintCharacter(CHAR Character, BYTE Attribute, BYTE Page)
-{
- WORD CharData = MAKEWORD(Character, Attribute);
- BYTE Row, Column;
-
- /* Make sure the page exists */
- if (Page >= BIOS_MAX_PAGES) return;
-
- /* Get the cursor location */
- BiosGetCursorPosition(&Row, &Column, Page);
-
- if (Character == '\a')
- {
- /* Bell control character */
- // NOTE: We may use what the terminal emulator offers to us...
- Beep(800, 200);
- return;
- }
- else if (Character == '\b')
- {
- /* Backspace control character */
- if (Column > 0)
- {
- Column--;
- }
- else if (Row > 0)
- {
- Column = Bda->ScreenColumns - 1;
- Row--;
- }
-
- /* Erase the existing character */
- CharData = MAKEWORD(' ', Attribute);
- EmulatorWriteMemory(&EmulatorContext,
- TO_LINEAR(TEXT_VIDEO_SEG,
- Page * Bda->VideoPageSize +
- (Row * Bda->ScreenColumns + Column) * sizeof(WORD)),
- (LPVOID)&CharData,
- sizeof(WORD));
- }
- else if (Character == '\t')
- {
- /* Horizontal Tabulation control character */
- do
- {
- // Taken from DOSBox
- BiosPrintCharacter(' ', Attribute, Page);
- BiosGetCursorPosition(&Row, &Column, Page);
- } while (Column % 8);
- }
- else if (Character == '\n')
- {
- /* Line Feed control character */
- Row++;
- }
- else if (Character == '\r')
- {
- /* Carriage Return control character */
- Column = 0;
- }
- else
- {
- /* Default character */
-
- /* Write the character */
- EmulatorWriteMemory(&EmulatorContext,
- TO_LINEAR(TEXT_VIDEO_SEG,
- Page * Bda->VideoPageSize +
- (Row * Bda->ScreenColumns + Column) * sizeof(WORD)),
- (LPVOID)&CharData,
- sizeof(WORD));
-
- /* Advance the cursor */
- Column++;
- }
-
- /* Check if it passed the end of the row */
- if (Column >= Bda->ScreenColumns)
- {
- /* Return to the first column and go to the next line */
- Column = 0;
- Row++;
- }
-
- /* Scroll the screen up if needed */
- if (Row > Bda->ScreenRows)
- {
- /* The screen must be scrolled up */
- SMALL_RECT Rectangle = { 0, 0, Bda->ScreenColumns - 1, Bda->ScreenRows };
-
- BiosScrollWindow(SCROLL_DIRECTION_UP,
- 1,
- Rectangle,
- Page,
- DEFAULT_ATTRIBUTE);
-
- Row--;
- }
-
- /* Set the cursor position */
- BiosSetCursorPosition(Row, Column, Page);
-}
-
BOOLEAN BiosInitialize(VOID)
{
- CONSOLE_SCREEN_BUFFER_INFO ConsoleInfo;
-
/* Initialize the BDA */
Bda = (PBIOS_DATA_AREA)SEG_OFF_TO_PTR(BDA_SEGMENT, 0);
Bda->EquipmentList = BIOS_EQUIPMENT_LIST;
InitializeInt32(BIOS_SEGMENT);
/* Register the BIOS 32-bit Interrupts */
- RegisterInt32(BIOS_VIDEO_INTERRUPT , BiosVideoService );
RegisterInt32(BIOS_EQUIPMENT_INTERRUPT, BiosEquipmentService );
RegisterInt32(BIOS_MEMORY_SIZE , BiosGetMemorySize );
RegisterInt32(BIOS_MISC_INTERRUPT , BiosMiscService );
return FALSE;
}
- /* Initialize VGA */
- if (!VgaInitialize(BiosConsoleOutput))
+ /* Initialize the Video BIOS */
+ if (!VidBiosInitialize(BiosConsoleOutput))
{
CloseHandle(BiosConsoleOutput);
CloseHandle(BiosConsoleInput);
return FALSE;
}
- /* Set the default video mode */
- BiosSetVideoMode(BIOS_DEFAULT_VIDEO_MODE);
-
- GetConsoleScreenBufferInfo(BiosConsoleOutput, &ConsoleInfo);
-
- /* Copy console data into VGA memory */
- BiosCopyTextConsoleToVgaMemory(&ConsoleInfo.dwSize);
-
- /* Update the cursor position for the current page */
- BiosSetCursorPosition(ConsoleInfo.dwCursorPosition.Y,
- ConsoleInfo.dwCursorPosition.X,
- Bda->VideoPage);
-
/* Set the console input mode */
SetConsoleMode(BiosConsoleInput, ENABLE_MOUSE_INPUT | ENABLE_PROCESSED_INPUT);
CONSOLE_SCREEN_BUFFER_INFO ConsoleInfo;
PS2Cleanup();
+ VidBiosCleanup();
/* Restore the old screen buffer */
SetConsoleActiveScreenBuffer(BiosConsoleOutput);
projects / reactos.git / blobdiff