219 lines
9.0 KiB
C++
219 lines
9.0 KiB
C++
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/*
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** Command & Conquer Red Alert(tm)
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** Copyright 2025 Electronic Arts Inc.
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**
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** This program is free software: you can redistribute it and/or modify
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** it under the terms of the GNU General Public License as published by
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** the Free Software Foundation, either version 3 of the License, or
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** (at your option) any later version.
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**
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** This program is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** GNU General Public License for more details.
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**
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** You should have received a copy of the GNU General Public License
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** along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/***************************************************************************
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** 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 **
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***************************************************************************
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* *
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* Project Name : 32 bit library *
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* *
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* File Name : VIDEO.H *
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* *
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* Programmer : Scott K. Bowen *
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* *
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* Start Date : August 3, 1994 *
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* *
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* Last Update : August 3, 1994 [SKB] *
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* *
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*-------------------------------------------------------------------------*
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* Functions: *
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* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
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#ifndef VIDEO_H
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#define VIDEO_H
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#ifndef WWSTD_H
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#include "wwstd.h"
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#endif
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/*=========================================================================*/
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/* The machine can be in one of the following graphic modes. The global */
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/* GraphicMode is set to one of these values. */
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/*=========================================================================*/
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#define CGA_MODE 4 // DOS 320x200 4 color mode
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#define TGA_MODE 9 // TANDY 320x200 16 color mode
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#define EGA_MODE 13 // DOS 320x200 16 color mode
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#define MCGA_MODE 0x13 // DOS 320x200 256 color mode
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#define VGA_MODE 0x13 // DOS 320x200 256 color mode
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#define EEGA_MODE 14 // DOS 640x400 16 color mode
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#define ETGA_MODE 9 // TANDY 640x400 16 color mode
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#define HGA_MODE 7 // DOS 768x400 2 color mode
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#define TXT_MODE 3 // DOS plain old color text mode
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#define VESA_640X400_256 0x100 // VESA 640x400 256 color mode
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#define VESA_640X480_256 0x101 // VESA 640x480 256 color mode
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#define VESA_800X600_256 0x103 // VESA 800x600 256 color mode
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#define VESA_1024X768_256 0x105 // VESA 1024x768 256 color mode
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#define VESA_1280X400_256 0x107 // VESA 1280x400 256 color mode
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#define VESA_TEXT_80X60 0x108 // VESA 80x60 text mode
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#define VESA_TEXT_132X25 0x109 // VESA 132x25 text mode
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#define VESA_TEXT_132X60 0x10C // VESA 132x60 text mode
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#define RESET_MODE -1
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#define UNINITIALIZED_MODE -1
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#define VESA_MIN VESA_640X400_256
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#define VESA_MAX VESA_TEXT_132X60
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/*=========================================================================*/
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/* Define the maximum number of bank entries */
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/*=========================================================================*/
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#define MAX_BANK_ENTRIES ((1280L*1024L)/65536L)
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/*=========================================================================*
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* VesaInfoType - General info about this VESA implementation *
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* (Filled in by VESA BIOS Function 0) *
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* *
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* Signature - Will always be 'VESA' *
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* Version - Version # *
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* OEMString - OEM ID string *
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* Capabilities - Not defined by VESA yet *
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* AvailModes - List of available modes; terminated with -1 (0xffff) *
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* TotalMemory - ??? *
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* Reserved - Pads structure to 256 bytes total *
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*=========================================================================*/
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#ifdef NOT_FOR_WIN95
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typedef struct {
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char Signature[4];
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short Version;
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REALPTR OEMString;
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long Capabilities;
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REALPTR AvailModes;
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short TotalMemory;
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char Reserved[236];
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} VesaInfoType;
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#endif //NOT_FOR_WIN95
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/*=========================================================================*
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* VesaModeInfoType - Info about this VESA mode *
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* (Filled in by VESA BIOS Function 1) *
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* *
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* Attributes - bit 0: 1 = mode is supported *
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* bit 1: 1 = optional info available *
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* bit 2: 1 = std BIOS output funcs valid in this mode *
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* bit 3: 0 = monochrome, 1 = color *
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* bit 4: 0 = text mode, 1 = graphics *
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* WinA_Attributes - bit 0 = win exists, bit 1=readable, bit 2= writable *
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* WinB_Attributes - bit 0 = win exists, bit 1=readable, bit 2= writable *
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* WinGranularity - smallest address boundary window can be placed upon; *
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* size is in KB (ie 64, 32, 4) *
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* WinSize - size of windows in KB (ie 64, 32) *
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* WinA_Segment - location of Window A in CPU space (usually 0xa000) *
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* WinB_Segment - location of Window B in CPU space (usually 0xb000) *
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* WinFunc - address of window-setting function (This is provided *
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* as an alternative to Int 10 for speed.) *
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* BytesPerScanline - # bytes per scan line *
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* *
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* Optional info (available if bit 1 of Attributes is set): *
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* *
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* XRes - X-resolution *
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* YRes - Y-resolution *
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* XCharSize - Horizontal size of char cell *
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* YCharSize - Vertical size of char cell *
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* NumPlanes - # of memory planes (???) *
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* BitsPerPixel - # bites per pixel *
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* NumBanks - # of banks (ie planes) *
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* MemoryModel - 00h = Text mode *
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* 01h = CGA mode *
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* 02h = Hercules *
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* 03h = 4 plane planar mode *
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* 04h = packed pixel mode (1 byte/pixel) *
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* 05h = non-chain 4, 256-color mode *
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* 06-0Fh = *
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* 10-FFh = OEM-specific *
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* BankSize - Bank size in KB *
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*=========================================================================*/
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#ifdef NOT_FOR_WIN95
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typedef struct {
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short Attributes;
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char WinA_Attributes;
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char WinB_Attributes;
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short WinGranularity;
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short WinSize;
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short WinA_Segment;
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short WinB_Segment;
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REALPTR WinFunc;
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short BytesPerScanline;
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short XRes;
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short YRes;
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char XCharSize;
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char YCharSize;
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char NumPlanes;
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char BitsPerPixel;
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char NumBanks;
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char MemoryModel;
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char BankSize;
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char NumInputPages;
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char Reserved;
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char RedMaskSize;
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char RedFieldPosition;
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char GreenMaskSize;
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char GreenFieldPosition;
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char BlueMaskSize;
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char BlueFieldPosition;
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char RsvdMaskSize;
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char RsvdFieldPosition;
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char DirectColorModeInfo;
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char pad[216];
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} VesaModeInfoType;
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extern REALPTR VesaFunc;
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#endif //NOT_FOR_WIN95
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extern "C" {
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extern int GraphicMode;
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extern long XRes;
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extern long YRes;
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extern long BankTable [];
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extern unsigned long RMVesaVector ;
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extern unsigned long RMVesaRegs ;
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}
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/*=========================================================================*/
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/* The following prototypes are for the file: VIDEO.CPP */
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/*=========================================================================*/
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extern "C" int Set_Video_Mode(int mode);
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int Get_Video_Mode(void);
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void Update_Video_Mode (void) ;
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void Vesa_Info(void);
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void Vesa_Set_Window(long grain_num);
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int Get_Original_Video_Mode(void);
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void Set_Original_Video_Mode(int mode);
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/*=========================================================================*/
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/* The following prototypes are for the file: INITDLAY.CPP */
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/*=========================================================================*/
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extern VOID Init_Delay(VOID);
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extern BOOL VertBlank;
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/*=========================================================================*/
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/* The following prototypes are for the file: VERTBLNK.ASM */
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/*=========================================================================*/
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extern "C" {
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extern WORD Get_Vert_Blank(VOID);
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extern VOID Wait_Vert_Blank(BOOL blank);
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}
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/*=========================================================================*/
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#endif // VIDEO_H
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