//
// Copyright 2020 Electronic Arts Inc.
//
// TiberianDawn.DLL and RedAlert.dll and corresponding source code is free
// software: you can redistribute it and/or modify it under the terms of
// the GNU General Public License as published by the Free Software Foundation,
// either version 3 of the License, or (at your option) any later version.
// TiberianDawn.DLL and RedAlert.dll and corresponding source code is distributed
// in the hope that it will be useful, but with permitted additional restrictions
// under Section 7 of the GPL. See the GNU General Public License in LICENSE.TXT
// distributed with this program. You should have received a copy of the
// GNU General Public License along with permitted additional restrictions
// with this program. If not, see https://github.com/electronicarts/CnC_Remastered_Collection
/***************************************************************************
** C O N F I D E N T I A L --- W E S T W O O D S T U D I O S **
***************************************************************************
* *
* Project Name : 32 bit library *
* *
* File Name : VIDEO.H *
* *
* Programmer : Scott K. Bowen *
* *
* Start Date : August 3, 1994 *
* *
* Last Update : August 3, 1994 [SKB] *
* *
*-------------------------------------------------------------------------*
* Functions: *
* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
#ifndef VIDEO_H
#define VIDEO_H
#ifndef WWSTD_H
#include "wwstd.h"
#endif
/*=========================================================================*/
/* The machine can be in one of the following graphic modes. The global */
/* GraphicMode is set to one of these values. */
/*=========================================================================*/
#define CGA_MODE 4 // DOS 320x200 4 color mode
#define TGA_MODE 9 // TANDY 320x200 16 color mode
#define EGA_MODE 13 // DOS 320x200 16 color mode
#define MCGA_MODE 0x13 // DOS 320x200 256 color mode
#define VGA_MODE 0x13 // DOS 320x200 256 color mode
#define EEGA_MODE 14 // DOS 640x400 16 color mode
#define ETGA_MODE 9 // TANDY 640x400 16 color mode
#define HGA_MODE 7 // DOS 768x400 2 color mode
#define TXT_MODE 3 // DOS plain old color text mode
#define VESA_640X400_256 0x100 // VESA 640x400 256 color mode
#define VESA_640X480_256 0x101 // VESA 640x480 256 color mode
#define VESA_800X600_256 0x103 // VESA 800x600 256 color mode
#define VESA_1024X768_256 0x105 // VESA 1024x768 256 color mode
#define VESA_1280X400_256 0x107 // VESA 1280x400 256 color mode
#define VESA_TEXT_80X60 0x108 // VESA 80x60 text mode
#define VESA_TEXT_132X25 0x109 // VESA 132x25 text mode
#define VESA_TEXT_132X60 0x10C // VESA 132x60 text mode
#define RESET_MODE -1
#define UNINITIALIZED_MODE -1
#define VESA_MIN VESA_640X400_256
#define VESA_MAX VESA_TEXT_132X60
/*=========================================================================*/
/* Define the maximum number of bank entries */
/*=========================================================================*/
#define MAX_BANK_ENTRIES ((1280L*1024L)/65536L)
/*=========================================================================*
* VesaInfoType - General info about this VESA implementation *
* (Filled in by VESA BIOS Function 0) *
* *
* Signature - Will always be 'VESA' *
* Version - Version # *
* OEMString - OEM ID string *
* Capabilities - Not defined by VESA yet *
* AvailModes - List of available modes; terminated with -1 (0xffff) *
* TotalMemory - ??? *
* Reserved - Pads structure to 256 bytes total *
*=========================================================================*/
#ifdef NOT_FOR_WIN95
typedef struct {
char Signature[4];
short Version;
REALPTR OEMString;
long Capabilities;
REALPTR AvailModes;
short TotalMemory;
char Reserved[236];
} VesaInfoType;
#endif //NOT_FOR_WIN95
/*=========================================================================*
* VesaModeInfoType - Info about this VESA mode *
* (Filled in by VESA BIOS Function 1) *
* *
* Attributes - bit 0: 1 = mode is supported *
* bit 1: 1 = optional info available *
* bit 2: 1 = std BIOS output funcs valid in this mode *
* bit 3: 0 = monochrome, 1 = color *
* bit 4: 0 = text mode, 1 = graphics *
* WinA_Attributes - bit 0 = win exists, bit 1=readable, bit 2= writable *
* WinB_Attributes - bit 0 = win exists, bit 1=readable, bit 2= writable *
* WinGranularity - smallest address boundary window can be placed upon; *
* size is in KB (ie 64, 32, 4) *
* WinSize - size of windows in KB (ie 64, 32) *
* WinA_Segment - location of Window A in CPU space (usually 0xa000) *
* WinB_Segment - location of Window B in CPU space (usually 0xb000) *
* WinFunc - address of window-setting function (This is provided *
* as an alternative to Int 10 for speed.) *
* BytesPerScanline - # bytes per scan line *
* *
* Optional info (available if bit 1 of Attributes is set): *
* *
* XRes - X-resolution *
* YRes - Y-resolution *
* XCharSize - Horizontal size of char cell *
* YCharSize - Vertical size of char cell *
* NumPlanes - # of memory planes (???) *
* BitsPerPixel - # bites per pixel *
* NumBanks - # of banks (ie planes) *
* MemoryModel - 00h = Text mode *
* 01h = CGA mode *
* 02h = Hercules *
* 03h = 4 plane planar mode *
* 04h = packed pixel mode (1 byte/pixel) *
* 05h = non-chain 4, 256-color mode *
* 06-0Fh = *
* 10-FFh = OEM-specific *
* BankSize - Bank size in KB *
*=========================================================================*/
#ifdef NOT_FOR_WIN95
typedef struct {
short Attributes;
char WinA_Attributes;
char WinB_Attributes;
short WinGranularity;
short WinSize;
short WinA_Segment;
short WinB_Segment;
REALPTR WinFunc;
short BytesPerScanline;
short XRes;
short YRes;
char XCharSize;
char YCharSize;
char NumPlanes;
char BitsPerPixel;
char NumBanks;
char MemoryModel;
char BankSize;
char NumInputPages;
char Reserved;
char RedMaskSize;
char RedFieldPosition;
char GreenMaskSize;
char GreenFieldPosition;
char BlueMaskSize;
char BlueFieldPosition;
char RsvdMaskSize;
char RsvdFieldPosition;
char DirectColorModeInfo;
char pad[216];
} VesaModeInfoType;
extern REALPTR VesaFunc;
#endif //NOT_FOR_WIN95
extern "C" {
extern int GraphicMode;
extern long XRes;
extern long YRes;
extern long BankTable [];
extern unsigned long RMVesaVector ;
extern unsigned long RMVesaRegs ;
}
/*=========================================================================*/
/* The following prototypes are for the file: VIDEO.CPP */
/*=========================================================================*/
extern "C" int Set_Video_Mode(int mode);
int Get_Video_Mode(void);
void Update_Video_Mode (void) ;
void Vesa_Info(void);
void Vesa_Set_Window(long grain_num);
int Get_Original_Video_Mode(void);
void Set_Original_Video_Mode(int mode);
/*=========================================================================*/
/* The following prototypes are for the file: INITDLAY.CPP */
/*=========================================================================*/
extern VOID Init_Delay(VOID);
extern BOOL VertBlank;
/*=========================================================================*/
/* The following prototypes are for the file: VERTBLNK.ASM */
/*=========================================================================*/
extern "C" {
extern WORD Get_Vert_Blank(VOID);
extern VOID Wait_Vert_Blank(BOOL blank);
}
/*=========================================================================*/
#endif // VIDEO_H