1794 lines
57 KiB
C++
1794 lines
57 KiB
C++
/*
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AppleWin : An Apple //e emulator for Windows
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Copyright (C) 1994-1996, Michael O'Brien
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Copyright (C) 1999-2001, Oliver Schmidt
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Copyright (C) 2002-2005, Tom Charlesworth
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Copyright (C) 2006-2010, Tom Charlesworth, Michael Pohoreski, Nick Westgate
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AppleWin 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 2 of the License, or
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(at your option) any later version.
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AppleWin 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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You should have received a copy of the GNU General Public License
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along with AppleWin; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/* Description: Emulation of video modes
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*
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* Author: Various
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*/
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#include "StdAfx.h"
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#include "AppleWin.h"
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#include "CPU.h"
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#include "Frame.h"
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#include "Keyboard.h"
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#include "Memory.h"
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#include "Registry.h"
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#include "Video.h"
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#include "NTSC.h"
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#include "..\resource\resource.h"
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#include "Configuration\PropertySheet.h"
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#include "Debugger\Debugger_Color.h" // For NUM_DEBUG_COLORS
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#define HALF_PIXEL_SOLID 1
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#define HALF_PIXEL_BLEED 0
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#define HALF_DIM_SUPPORT 0
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/*
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Reference: Technote TN-IIGS-063 "Master Color Values"
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Note:The IIGS colors do NOT map correctly to _accurate_ //e colors.
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Color LO HI DHR Master Color R,G,B HGR
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Name # # # Value Bytes
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-----------------------------------------------------------------------
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Black 0 0,4 0 $0000 (0,0,0) -> (00,00,00) Windows
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(Magenta) Deep Red 1 1 $0D03 (D,0,3) -> (D0,00,30) Custom
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Dark Blue 2 8 $0009 (0,0,9) -> (00,00,80) Windows
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(Violet) Purple 3 2 9 $0D2D (D,2,D) -> (FF,00,FF) Windows 55 2A
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Dark Green 4 4 $0072 (0,7,2) -> (00,80,00) Windows
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(Gray 1) Dark Gray 5 5 $0555 (5,5,5) -> (80,80,80) Windows
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(Blue) Medium Blue 6 6 C $022F (2,2,F) -> (00,00,FF) Windows D5 AA
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(Cyan) Light Blue 7 D $06AF (6,A,F) -> (60,A0,FF) Custom
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Brown 8 2 $0850 (8,5,0) -> (80,50,00) Custom
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Orange 9 5 3 $0F60 (F,6,0) -> (FF,80,00) Custom AA D5 (modified to match better with the other Hi-Res Colors)
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(Gray 2) Light Gray A A $0AAA (A,A,A) -> (C0,C0,C0) Windows
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Pink B B $0F98 (F,9,8) -> (FF,90,80) Custom
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(Green) Light Green C 1 6 $01D0 (1,D,0) -> (00,FF,00) Windows 2A 55
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Yellow D 7 $0FF0 (F,F,0) -> (FF,FF,00) Windows
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(Aqua) Aquamarine E E $04F9 (4,F,9) -> (40,FF,90) Custom
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White F 3,7 F $0FFF (F,F,F) -> (FF,FF,FF) Windows
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Legend:
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LO: Lo-Res
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HI: Hi-Res
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DHR: Double Hi-Res
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*/
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#define FLASH_80_COL 1 // Bug #7238
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#define HALF_SHIFT_DITHER 0
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enum Color_Palette_Index_e
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{
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// The first 10 are the DEFAULT Windows colors (as it reserves 20 colors)
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BLACK = 0x00 // 0x00,0x00,0x00
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, DARK_RED = 0x01 // 0x80,0x00,0x00
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, DARK_GREEN = 0x02 // 0x00,0x80,0x00 (Half Green)
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, DARK_YELLOW = 0x03 // 0x80,0x80,0x00
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, DARK_BLUE = 0x04 // 0x00,0x00,0x80 (Half Blue)
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, DARK_MAGENTA = 0x05 // 0x80,0x00,0x80
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, DARK_CYAN = 0x06 // 0x00,0x80,0x80
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, LIGHT_GRAY = 0x07 // 0xC0,0xC0,0xC0
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, MONEY_GREEN = 0x08 // 0xC0,0xDC,0xC0 // not used
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, SKY_BLUE = 0x09 // 0xA6,0xCA,0xF0 // not used
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// Really need to have Quarter Green and Quarter Blue for Hi-Res
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// OUR CUSTOM COLORS -- the extra colors HGR mode can display
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// , DEEP_BLUE // Breaks TV Emulation Reference Test !?!? // Breaks the dam palette -- black monochrome TEXT output bug *sigh*
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, DEEP_RED
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, LIGHT_BLUE
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, BROWN
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, ORANGE
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, PINK
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, AQUA
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// CUSTOM HGR COLORS (don't change order) - For tv emulation HGR Video Mode
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, HGR_BLACK
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, HGR_WHITE
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, HGR_BLUE // HCOLOR=6 BLUE , 3000: 81 00 D5 AA
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, HGR_ORANGE // HCOLOR=5 ORANGE , 2C00: 82 00 AA D5
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, HGR_GREEN // HCOLOR=1 GREEN , 2400: 02 00 2A 55
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, HGR_VIOLET // HCOLOR=2 VIOLET , 2800: 01 00 55 2A
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, HGR_GREY1
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, HGR_GREY2
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, HGR_YELLOW
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, HGR_AQUA
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, HGR_PURPLE
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, HGR_PINK
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// MONOCHROME
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, MONOCHROME_CUSTOM // 100% luminance
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, MONOCHROME_CUSTOM_50 // 50% luminance
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, MONOCHROME_AMBER
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, MONOCHROME_GREEN
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, DEBUG_COLORS_START
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, DEBUG_COLORS_END = DEBUG_COLORS_START + NUM_DEBUG_COLORS
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, NUM_COLOR_PALETTE
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// The last 10 are the DEFAULT Windows colors (as it reserves 20 colors)
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, CREAM = 0xF6
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, MEDIUM_GRAY = 0xF7
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, DARK_GRAY = 0xF8
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, RED = 0xF9
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, GREEN = 0xFA
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, YELLOW = 0xFB
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, BLUE = 0xFC
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, MAGENTA = 0xFD
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, CYAN = 0xFE
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, WHITE = 0xFF
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};
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// __ Map HGR color index to Palette index
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enum ColorMapping
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{
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CM_Violet
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, CM_Blue
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, CM_Green
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, CM_Orange
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, CM_Black // Used
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, CM_White // Used
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, NUM_COLOR_MAPPING
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};
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const BYTE HiresToPalIndex[ NUM_COLOR_MAPPING ] =
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{
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HGR_VIOLET
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, HGR_BLUE
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, HGR_GREEN
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, HGR_ORANGE
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, HGR_BLACK
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, HGR_WHITE
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};
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const BYTE LoresResColors[16] = {
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BLACK, DEEP_RED, DARK_BLUE, MAGENTA,
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DARK_GREEN,DARK_GRAY,BLUE, LIGHT_BLUE,
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BROWN, ORANGE, LIGHT_GRAY,PINK,
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GREEN, YELLOW, AQUA, HGR_WHITE
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};
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const BYTE DoubleHiresPalIndex[16] = {
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BLACK, DARK_BLUE, DARK_GREEN,BLUE,
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BROWN, LIGHT_GRAY, GREEN, AQUA,
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DEEP_RED,MAGENTA, DARK_GRAY, LIGHT_BLUE,
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ORANGE, PINK, YELLOW, HGR_WHITE
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};
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const int SRCOFFS_40COL = 0; // 0
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const int SRCOFFS_IIPLUS = (SRCOFFS_40COL + 256); // 256
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const int SRCOFFS_80COL = (SRCOFFS_IIPLUS + 256); // 512
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const int SRCOFFS_LORES = (SRCOFFS_80COL + 128); // 640
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const int SRCOFFS_HIRES = (SRCOFFS_LORES + 16); // 656
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const int SRCOFFS_DHIRES = (SRCOFFS_HIRES + 512); // 1168
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const int SRCOFFS_TOTAL = (SRCOFFS_DHIRES + 2560); // 3278
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#define SW_80COL (g_uVideoMode & VF_80COL)
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#define SW_DHIRES (g_uVideoMode & VF_DHIRES)
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#define SW_HIRES (g_uVideoMode & VF_HIRES)
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#define SW_80STORE (g_uVideoMode & VF_80STORE)
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#define SW_MIXED (g_uVideoMode & VF_MIXED)
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#define SW_PAGE2 (g_uVideoMode & VF_PAGE2)
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#define SW_TEXT (g_uVideoMode & VF_TEXT)
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#define SETSOURCEPIXEL(x,y,c) g_aSourceStartofLine[(y)][(x)] = (c)
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#define SETFRAMECOLOR(i,r,g,b) g_pFramebufferinfo->bmiColors[i].rgbRed = r; \
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g_pFramebufferinfo->bmiColors[i].rgbGreen = g; \
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g_pFramebufferinfo->bmiColors[i].rgbBlue = b; \
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g_pFramebufferinfo->bmiColors[i].rgbReserved = PC_NOCOLLAPSE;
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#define HGR_MATRIX_YOFFSET 2 // For tv emulation HGR Video Mode
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// Globals (Public)
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uint8_t *g_pFramebufferbits = NULL; // last drawn frame
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int g_nAltCharSetOffset = 0; // alternate character set
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// Globals (Private)
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// video scanner constants
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int const kHBurstClock = 53; // clock when Color Burst starts
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int const kHBurstClocks = 4; // clocks per Color Burst duration
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int const kHClock0State = 0x18; // H[543210] = 011000
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int const kHClocks = 65; // clocks per horizontal scan (including HBL)
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int const kHPEClock = 40; // clock when HPE (horizontal preset enable) goes low
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int const kHPresetClock = 41; // clock when H state presets
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int const kHSyncClock = 49; // clock when HSync starts
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int const kHSyncClocks = 4; // clocks per HSync duration
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int const kNTSCScanLines = 262; // total scan lines including VBL (NTSC)
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int const kNTSCVSyncLine = 224; // line when VSync starts (NTSC)
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int const kPALScanLines = 312; // total scan lines including VBL (PAL)
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int const kPALVSyncLine = 264; // line when VSync starts (PAL)
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int const kVLine0State = 0x100; // V[543210CBA] = 100000000
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int const kVPresetLine = 256; // line when V state presets
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int const kVSyncLines = 4; // lines per VSync duration
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static COLORREF customcolors[256]; // MONOCHROME is last custom color
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static HBITMAP g_hDeviceBitmap;
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static HDC g_hDeviceDC;
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static LPBITMAPINFO g_pFramebufferinfo = NULL;
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static LPBYTE g_aFrameBufferOffset[FRAMEBUFFER_H]; // array of pointers to start of each scanline
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static LPBYTE g_pHiresBank1;
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static LPBYTE g_pHiresBank0;
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HBITMAP g_hLogoBitmap;
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static HPALETTE g_hPalette;
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static HBITMAP g_hSourceBitmap;
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static LPBYTE g_pSourcePixels;
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static LPBITMAPINFO g_pSourceHeader;
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const int MAX_SOURCE_Y = 512;
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static LPBYTE g_aSourceStartofLine[ MAX_SOURCE_Y ];
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static LPBYTE g_pTextBank1; // Aux
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static LPBYTE g_pTextBank0; // Main
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static /*bool*/ UINT g_VideoForceFullRedraw = 1;
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static LPBYTE framebufferaddr = (LPBYTE)0;
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static LONG g_nFrameBufferPitch = 0;
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COLORREF g_nMonochromeRGB = RGB(0xC0,0xC0,0xC0);
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static BOOL rebuiltsource = 0;
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static LPBYTE vidlastmem = NULL;
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uint32_t g_uVideoMode = VF_TEXT; // Current Video Mode (this is the last set one as it may change mid-scan line!)
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DWORD g_eVideoType = VT_COLOR_TVEMU;
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DWORD g_uHalfScanLines = 1; // drop 50% scan lines for a more authentic look
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static bool bVideoScannerNTSC = true; // NTSC video scanning (or PAL)
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//-------------------------------------
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// NOTE: KEEP IN SYNC: VideoType_e g_aVideoChoices g_apVideoModeDesc
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TCHAR g_aVideoChoices[] =
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TEXT("Monochrome (Custom Luminance)\0")
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TEXT("Color (Standard)\0")
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TEXT("Color (Text Optimized)\0")
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TEXT("Color (TV emulation)\0")
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TEXT("Monochrome (Amber)\0")
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TEXT("Monochrome (Green)\0")
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TEXT("Monochrome (White)\0")
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;
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// AppleWin 1.19.4 VT_COLOR_AUTHENTIC -> VT_COLOR_HALFPIXEL -> VT_COLOR_STANDARD "Color Half-Pixel Authentic
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// NOTE: KEEP IN SYNC: VideoType_e g_aVideoChoices g_apVideoModeDesc
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// The window title will be set to this.
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char *g_apVideoModeDesc[ NUM_VIDEO_MODES ] =
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{
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"Monochrome (Custom)"
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, "Standard"
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, "Text Optimized"
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, "TV"
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, "Amber"
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, "Green"
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, "White"
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};
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// Prototypes (Private) _____________________________________________
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// Monochrome Half-Pixel Support
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void V_CreateLookup_MonoHiResHalfPixel_Real ();
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bool g_bDisplayPrintScreenFileName = false;
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bool g_bShowPrintScreenWarningDialog = true;
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void Util_MakeScreenShotFileName( char *pFinalFileName_ );
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bool Util_TestScreenShotFileName( const char *pFileName );
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// true = 280x192
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// false = 560x384
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void Video_SaveScreenShot( const char *pScreenShotFileName );
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void Video_MakeScreenShot( FILE *pFile );
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int GetMonochromeIndex();
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void V_CreateIdentityPalette ();
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void videoCreateDIBSection();
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//===========================================================================
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void CreateFrameOffsetTable (LPBYTE addr, LONG pitch)
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{
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if ((framebufferaddr == addr) && (g_nFrameBufferPitch == pitch))
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return;
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framebufferaddr = addr;
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g_nFrameBufferPitch = pitch;
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// CREATE THE OFFSET TABLE FOR EACH SCAN LINE IN THE FRAME BUFFER
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for (int y = 0; y < FRAMEBUFFER_H; y++)
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g_aFrameBufferOffset[y] = framebufferaddr + g_nFrameBufferPitch*((FRAMEBUFFER_H-1)-y);
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}
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//===========================================================================
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void VideoInitialize ()
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{
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// RESET THE VIDEO MODE SWITCHES AND THE CHARACTER SET OFFSET
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VideoResetState();
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// CREATE A BUFFER FOR AN IMAGE OF THE LAST DRAWN MEMORY
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vidlastmem = (LPBYTE)VirtualAlloc(NULL,0x10000,MEM_COMMIT,PAGE_READWRITE);
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ZeroMemory(vidlastmem,0x10000);
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// LOAD THE LOGO
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// g_hLogoBitmap = (HBITMAP)LoadImage(g_hInstance, MAKEINTRESOURCE(IDB_APPLEWIN), IMAGE_BITMAP, 560, 384, LR_CREATEDIBSECTION);
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g_hLogoBitmap = LoadBitmap( g_hInstance, MAKEINTRESOURCE(IDB_APPLEWIN) );
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// CREATE A BITMAPINFO STRUCTURE FOR THE FRAME BUFFER
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g_pFramebufferinfo = (LPBITMAPINFO)VirtualAlloc(
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NULL,
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sizeof(BITMAPINFOHEADER) + 256*sizeof(RGBQUAD),
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MEM_COMMIT,
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PAGE_READWRITE);
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ZeroMemory(g_pFramebufferinfo,sizeof(BITMAPINFOHEADER)+256*sizeof(RGBQUAD));
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g_pFramebufferinfo->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
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g_pFramebufferinfo->bmiHeader.biWidth = FRAMEBUFFER_W;
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g_pFramebufferinfo->bmiHeader.biHeight = FRAMEBUFFER_H;
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g_pFramebufferinfo->bmiHeader.biPlanes = 1;
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g_pFramebufferinfo->bmiHeader.biBitCount = 32;
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g_pFramebufferinfo->bmiHeader.biCompression = BI_RGB;
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g_pFramebufferinfo->bmiHeader.biClrUsed = 0;
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videoCreateDIBSection();
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}
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//===========================================================================
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void V_CreateIdentityPalette ()
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{
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SETFRAMECOLOR(BLACK, 0x00,0x00,0x00); // 0
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SETFRAMECOLOR(DARK_RED, 0x80,0x00,0x00); // 1 // not used
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SETFRAMECOLOR(DARK_GREEN, 0x00,0x80,0x00); // 2 // not used
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SETFRAMECOLOR(DARK_YELLOW, 0x80,0x80,0x00); // 3
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SETFRAMECOLOR(DARK_BLUE, 0x00,0x00,0x80); // 4 // not used
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SETFRAMECOLOR(DARK_MAGENTA,0x80,0x00,0x80); // 5
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SETFRAMECOLOR(DARK_CYAN, 0x00,0x80,0x80); // 6
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SETFRAMECOLOR(LIGHT_GRAY, 0xC0,0xC0,0xC0); // 7 // GR: COLOR=10
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SETFRAMECOLOR(MONEY_GREEN, 0xC0,0xDC,0xC0); // 8 // not used
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SETFRAMECOLOR(SKY_BLUE, 0xA6,0xCA,0xF0); // 9 // not used
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// SET FRAME BUFFER TABLE ENTRIES TO CUSTOM COLORS
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// SETFRAMECOLOR(DARK_RED, 0x9D,0x09,0x66); // 1 // Linards Tweaked 0x80,0x00,0x00 -> 0x9D,0x09,0x66
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// SETFRAMECOLOR(DARK_GREEN, 0x00,0x76,0x1A); // 2 // Linards Tweaked 0x00,0x80,0x00 -> 0x00,0x76,0x1A
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// SETFRAMECOLOR(DARK_BLUE, 0x2A,0x2A,0xE5); // 4 // Linards Tweaked 0x00,0x00,0x80 -> 0x2A,0x2A,0xE5
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SETFRAMECOLOR(DEEP_RED, 0x9D,0x09,0x66); // 0xD0,0x00,0x30 -> Linards Tweaked 0x9D,0x09,0x66
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SETFRAMECOLOR(LIGHT_BLUE,0xAA,0xAA,0xFF); // 0x60,0xA0,0xFF -> Linards Tweaked 0xAA,0xAA,0xFF
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SETFRAMECOLOR(BROWN, 0x55,0x55,0x00); // 0x80,0x50,0x00 -> Linards Tweaked 0x55,0x55,0x00
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SETFRAMECOLOR(ORANGE, 0xF2,0x5E,0x00); // 0xFF,0x80,0x00 -> Linards Tweaked 0xF2,0x5E,0x00
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SETFRAMECOLOR(PINK, 0xFF,0x89,0xE5); // 0xFF,0x90,0x80 -> Linards Tweaked 0xFF,0x89,0xE5
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SETFRAMECOLOR(AQUA, 0x62,0xF6,0x99); // 0x40,0xFF,0x90 -> Linards Tweaked 0x62,0xF6,0x99
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SETFRAMECOLOR(HGR_BLACK, 0x00,0x00,0x00); // For TV emulation HGR Video Mode
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SETFRAMECOLOR(HGR_WHITE, 0xFF,0xFF,0xFE); // BUG: PALETTE COLLAPSE! NOT white!? Win32 collapses the palette if you have duplicate colors!
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// 20 207 253 = 0x14 0xCF 0xFD
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SETFRAMECOLOR(HGR_BLUE, 24, 115, 229); // HCOLOR=6 BLUE 3000: 81 00 D5 AA // 0x00,0x80,0xFF -> Linards Tweaked 0x0D,0xA1,0xFF
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SETFRAMECOLOR(HGR_ORANGE, 247, 64, 30); // HCOLOR=5 ORANGE 2C00: 82 00 AA D5 // 0xF0,0x50,0x00 -> Linards Tweaked 0xF2,0x5E,0x00
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SETFRAMECOLOR(HGR_GREEN, 27, 211, 79); // HCOLOR=1 GREEN 2400: 02 00 2A 55 // 0x20,0xC0,0x00 -> Linards Tweaked 0x38,0xCB,0x00
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SETFRAMECOLOR(HGR_VIOLET, 227, 20, 255); // HCOLOR=2 VIOLET 2800: 01 00 55 2A // 0xA0,0x00,0xFF -> Linards Tweaked 0xC7,0x34,0xFF
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SETFRAMECOLOR(HGR_GREY1, 0x80,0x80,0x80);
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SETFRAMECOLOR(HGR_GREY2, 0x80,0x80,0x80);
|
|
SETFRAMECOLOR(HGR_YELLOW, 0x9E,0x9E,0x00); // 0xD0,0xB0,0x10 -> 0x9E,0x9E,0x00
|
|
SETFRAMECOLOR(HGR_AQUA, 0x00,0xCD,0x4A); // 0x20,0xB0,0xB0 -> 0x00,0xCD,0x4A
|
|
SETFRAMECOLOR(HGR_PURPLE, 0x61,0x61,0xFF); // 0x60,0x50,0xE0 -> 0x61,0x61,0xFF
|
|
SETFRAMECOLOR(HGR_PINK, 0xFF,0x32,0xB5); // 0xD0,0x40,0xA0 -> 0xFF,0x32,0xB5
|
|
|
|
SETFRAMECOLOR( MONOCHROME_CUSTOM
|
|
, GetRValue(g_nMonochromeRGB)
|
|
, GetGValue(g_nMonochromeRGB)
|
|
, GetBValue(g_nMonochromeRGB)
|
|
);
|
|
|
|
SETFRAMECOLOR( MONOCHROME_CUSTOM_50
|
|
, ((GetRValue(g_nMonochromeRGB)/2) & 0xFF)
|
|
, ((GetGValue(g_nMonochromeRGB)/2) & 0xFF)
|
|
, ((GetBValue(g_nMonochromeRGB)/2) & 0xFF)
|
|
);
|
|
|
|
SETFRAMECOLOR( MONOCHROME_AMBER , 0xFF,0x80,0x01); // Used for Monochrome Hi-Res graphics not text!
|
|
SETFRAMECOLOR( MONOCHROME_GREEN , 0x00,0xC0,0x01); // Used for Monochrome Hi-Res graphics not text!
|
|
// BUG PALETTE COLLAPSE: WTF?? Soon as we set 0xFF,0xFF,0xFF we lose text colors?!?!
|
|
// Windows is collapsing the palette!!!
|
|
//SETFRAMECOLOR( MONOCHROME_WHITE , 0xFE,0xFE,0xFE); // Used for Monochrome Hi-Res graphics not text!
|
|
|
|
SETFRAMECOLOR(CREAM, 0xFF,0xFB,0xF0); // F6
|
|
SETFRAMECOLOR(MEDIUM_GRAY, 0xA0,0xA0,0xA4); // F7
|
|
SETFRAMECOLOR(DARK_GRAY, 0x80,0x80,0x80); // F8
|
|
SETFRAMECOLOR(RED, 0xFF,0x00,0x00); // F9
|
|
SETFRAMECOLOR(GREEN, 0x38,0xCB,0x00); // FA Linards Tweaked 0x00,0xFF,0x00 -> 0x38,0xCB,0x00
|
|
SETFRAMECOLOR(YELLOW, 0xD5,0xD5,0x1A); // FB Linards Tweaked 0xFF,0xFF,0x00 -> 0xD5,0xD5,0x1A
|
|
SETFRAMECOLOR(BLUE, 0x0D,0xA1,0xFF); // FC Linards Tweaked 0x00,0x00,0xFF -> 0x0D,0xA1,0xFF
|
|
SETFRAMECOLOR(MAGENTA, 0xC7,0x34,0xFF); // FD Linards Tweaked 0xFF,0x00,0xFF -> 0xC7,0x34,0xFF
|
|
SETFRAMECOLOR(CYAN, 0x00,0xFF,0xFF); // FE
|
|
SETFRAMECOLOR(WHITE, 0xFF,0xFF,0xFF); // FF
|
|
}
|
|
|
|
#if 0
|
|
/*
|
|
aPixel[i]
|
|
A 9|8 7 6 5 4 3 2|1 0
|
|
Z W|b b b b b b b|X Y
|
|
----+-------------+----
|
|
prev| existing |next
|
|
bits| hi-res byte |bits
|
|
|
|
Legend:
|
|
XYZW = iColumn in binary
|
|
b = Bytes in binary
|
|
*/
|
|
// aPixel[] = 48bbbbbbbb12, where b = iByte in binary, # is bit-n of column
|
|
aPixels[ 0] = iColumn & 4; // previous byte, 2nd last pixel
|
|
aPixels[ 1] = iColumn & 8; // previous byte, last pixel
|
|
aPixels[ 9] = iColumn & 1; // next byte, first pixel
|
|
aPixels[10] = iColumn & 2; // next byte, second pixel
|
|
|
|
// Convert raw pixel Byte value to binary and stuff into bit array of pixels on off
|
|
int nBitMask = 1;
|
|
int iPixel;
|
|
for (iPixel = 2; iPixel < 9; iPixel++)
|
|
{
|
|
aPixels[iPixel] = ((iByte & nBitMask) != 0);
|
|
nBitMask <<= 1;
|
|
}
|
|
|
|
int hibit = (iByte >> 7) & 1; // ((iByte & 0x80) != 0);
|
|
int x = 0;
|
|
int y = iByte << 1;
|
|
|
|
/*
|
|
Color Reference Tests:
|
|
|
|
2000:D5 AA D5 AA D5 AA // blue blue blue
|
|
2400:AA D5 2A 55 55 2A //+ red green violet
|
|
// //= grey aqua violet
|
|
|
|
2C00:AA D5 AA D5 2A 55 // red red green
|
|
3000:2A 55 55 2A 55 2A //+ green violet violet
|
|
// //= yellow pink grey
|
|
|
|
Test cases
|
|
==========
|
|
81 blue
|
|
2000:D5 AA D5 AA
|
|
82 orange
|
|
2800:AA D5 AA D5
|
|
FF white bleed "thru"
|
|
3000:7F 80 7F 80
|
|
3800:FF 80 FF 80
|
|
2028:80 7F 80 7F
|
|
2828:80 FF 80 FF
|
|
Edge Case for Half Luminance !
|
|
2000:C4 00 // Green HalfLumBlue
|
|
2400:C4 80 // Green Green
|
|
Edge Case for Color Bleed !
|
|
2000:40 00
|
|
2400:40 80
|
|
|
|
// Test Patterns
|
|
// 81 blue
|
|
// 2000:D5 AA D5 AA -> 2001:AA D5 should not have black gap, should be blue
|
|
// 82 orange
|
|
// 2800:AA D5 AA D5
|
|
// Game: Elite -- Loading Logo
|
|
// 2444:BB F7 -> 2000:BB F7 // Should not have orange in-between gap -- Elite "Firebird" Logo
|
|
// -> 2400:00 BB F7 // Should not have blue in-between gap )
|
|
// 21D0:C0 00 -> HalfLumBlue
|
|
// 25D0:C0 D0 88 -> Blue black orange black orange
|
|
// 29D0:C0 90 88 -> Blue black orange
|
|
// Game: Ultima 4 -- Ultima 4 Logo - bottom half of screen has a "mini-game" / demo -- far right has tree and blue border
|
|
// 2176:2A AB green black_gap white blue_border // Should have black gap between green and white
|
|
// Game: Gumball
|
|
// 218E:AA 97 => 2000: A9 87 orange_white // Should have no gap between orange and white
|
|
// 229A:AB A9 87 -> 2000: 00 A9 87 white orange black blue_white // Should have no gap between blue and white
|
|
// 2001:BB F7 white blue white (Gumball Intermission)
|
|
// Torture Half-Pixel HGR Tests: This is a real bitch to solve -- we really need to check:
|
|
// if (hibit_prev_byte && !aPixels[iPixel-3] && aPixels[iPixel-2] && !aPixels[iPixel] && hibit_this_byte) then set first half-pixel of this byte to either blue or orange
|
|
// 2000:A9 87 halfblack blue black black orange black orange black
|
|
// 2400:BB F7 halfblack white white black white white white halfblack
|
|
// or
|
|
// 2000:A0 83 orange should "bleed" thru
|
|
// 2400:B0 83 should have black gap
|
|
SETSOURCEPIXEL(SRCOFFS_HIRES+offsetx+x+0 ,y , DARK_BLUE ); // Gumball: 229A: AB A9 87
|
|
SETSOURCEPIXEL(SRCOFFS_HIRES+offsetx+x+16,y , BROWN ); // half luminance red Elite: 2444: BB F7
|
|
SETSOURCEPIXEL(SRCOFFS_HIRES+offsetx+x+16,y+1, BROWN ); // half luminance red Gumball: 218E: AA 97
|
|
SETSOURCEPIXEL(SRCOFFS_HIRES+offsetx+x+0 ,y , HGR_BLUE ); // 2000:D5 AA D5
|
|
SETSOURCEPIXEL(SRCOFFS_HIRES+offsetx+x+16,y , HGR_ORANGE ); // 2000: AA D5
|
|
// Test Pattern: Ultima 4 Logo - Castle
|
|
// 3AC8: 36 5B 6D 36
|
|
Address Binary -> Displayed
|
|
2000:01 0---0001 -> 1 0 0 0 column 1
|
|
2400:81 1---0001 -> 1 0 0 0 half-pixel shift right
|
|
2800:02 1---0010 -> 0 1 0 0 column 2
|
|
|
|
2000:02 column 2
|
|
2400:82 half-pixel shift right
|
|
2800:04 column 3
|
|
|
|
2000:03 0---0011 -> 1 1 0 0 column 1 & 2
|
|
2400:83 1---0011 -> 1 1 0 0 half-pixel shift right
|
|
2800:06 1---0110 -> 0 1 1 0 column 2 & 3
|
|
|
|
@reference: see Beagle Bro's Disk: "Silicon Salad", File: DOUBLE HI-RES
|
|
Fortunately double-hires is supported via pixel doubling, so we can do half-pixel shifts ;-)
|
|
// Games
|
|
Archon Logo
|
|
Gumball (at Machine)
|
|
// Applesoft
|
|
HGR:HCOLOR=5:HPLOT 0,0 TO 279,0
|
|
|
|
// Blue
|
|
// Orange
|
|
CALL-151
|
|
C050 C052 C057
|
|
2000:D0 80 00
|
|
2800:80 D0 00
|
|
*/
|
|
#endif
|
|
|
|
// google: CreateDIBPatternBrushPt
|
|
// http://209.85.141.104/search?q=cache:mB3htrQGW8kJ:bookfire.net/wince/wince-programming-ms-press2/source/prowice/ch02e.htm
|
|
|
|
struct BRUSHBMP
|
|
{
|
|
BITMAPINFOHEADER bmi;
|
|
COLORREF dwPal[2];
|
|
BYTE bBits[64];
|
|
};
|
|
|
|
//===========================================================================
|
|
|
|
static void CreateLookup_TextCommon(HDC hDstDC, DWORD rop)
|
|
{
|
|
HBITMAP hCharBitmap[4];
|
|
HDC hSrcDC = CreateCompatibleDC(hDstDC);
|
|
|
|
hCharBitmap[0] = LoadBitmap(g_hInstance,TEXT("CHARSET40"));
|
|
hCharBitmap[1] = LoadBitmap(g_hInstance,TEXT("CHARSET82"));
|
|
hCharBitmap[2] = LoadBitmap(g_hInstance,TEXT("CHARSET8C")); // FIXME: Pravets 8M probably has the same charset as Pravets 8C
|
|
hCharBitmap[3] = LoadBitmap(g_hInstance,TEXT("CHARSET8C"));
|
|
SelectObject(hSrcDC, hCharBitmap[g_nCharsetType]);
|
|
|
|
// TODO: Update with APPLE_FONT_Y_ values
|
|
BitBlt( hDstDC, SRCOFFS_40COL ,0,256,512,hSrcDC,0, 0,rop);
|
|
BitBlt( hDstDC, SRCOFFS_IIPLUS,0,256,256,hSrcDC,0,512,rop); // Chars for Apple ][
|
|
StretchBlt(hDstDC, SRCOFFS_80COL ,0,128,512,hSrcDC,0, 0,256,512,rop); // Chars for 80 col mode
|
|
|
|
DeleteDC(hSrcDC);
|
|
for (UINT i=0; i<4; i++)
|
|
DeleteObject(hCharBitmap[i]);
|
|
}
|
|
|
|
//===========================================================================
|
|
|
|
static inline int GetOriginal2EOffset(BYTE ch)
|
|
{
|
|
// No mousetext for original IIe
|
|
return !IsOriginal2E() || !g_nAltCharSetOffset || (ch<0x40) || (ch>0x5F) ? 0 : -g_nAltCharSetOffset;
|
|
}
|
|
|
|
//===========================================================================
|
|
#define ROL_NIB(x) ( (((x)<<1)&0xF) | (((x)>>3)&1) )
|
|
|
|
//
|
|
// ----- ALL GLOBALLY ACCESSIBLE FUNCTIONS ARE BELOW THIS LINE -----
|
|
//
|
|
|
|
//===========================================================================
|
|
BOOL VideoApparentlyDirty ()
|
|
{
|
|
if (SW_MIXED || g_VideoForceFullRedraw)
|
|
return 1;
|
|
|
|
DWORD address = (SW_HIRES && !SW_TEXT)
|
|
? (0x20 << (SW_PAGE2 ? 1 : 0))
|
|
: (0x04 << (SW_PAGE2 ? 1 : 0));
|
|
DWORD length = (SW_HIRES && !SW_TEXT) ? 0x20 : 0x4;
|
|
while (length--)
|
|
if (*(memdirty+(address++)) & 2)
|
|
return 1;
|
|
|
|
//
|
|
|
|
// Scan visible text page for any flashing chars
|
|
if((SW_TEXT || SW_MIXED) && (g_nAltCharSetOffset == 0))
|
|
{
|
|
BYTE* pTextBank0 = MemGetMainPtr(0x400 << (SW_PAGE2 ? 1 : 0));
|
|
BYTE* pTextBank1 = MemGetAuxPtr (0x400 << (SW_PAGE2 ? 1 : 0));
|
|
const bool b80Col = SW_80COL;
|
|
|
|
// Scan 8 long-lines of 120 chars (at 128 char offsets):
|
|
// . Skip 8-char holes in TEXT
|
|
for(UINT y=0; y<8; y++)
|
|
{
|
|
for(UINT x=0; x<40*3; x++)
|
|
{
|
|
BYTE ch = pTextBank0[y*128+x];
|
|
if((ch >= 0x40) && (ch <= 0x7F))
|
|
return 1;
|
|
|
|
if (b80Col)
|
|
{
|
|
ch = pTextBank1[y*128+x];
|
|
if((ch >= 0x40) && (ch <= 0x7F))
|
|
return 1;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
//===========================================================================
|
|
void VideoBenchmark () {
|
|
Sleep(500);
|
|
|
|
// PREPARE TWO DIFFERENT FRAME BUFFERS, EACH OF WHICH HAVE HALF OF THE
|
|
// BYTES SET TO 0x14 AND THE OTHER HALF SET TO 0xAA
|
|
int loop;
|
|
LPDWORD mem32 = (LPDWORD)mem;
|
|
for (loop = 4096; loop < 6144; loop++)
|
|
*(mem32+loop) = ((loop & 1) ^ ((loop & 0x40) >> 6)) ? 0x14141414
|
|
: 0xAAAAAAAA;
|
|
for (loop = 6144; loop < 8192; loop++)
|
|
*(mem32+loop) = ((loop & 1) ^ ((loop & 0x40) >> 6)) ? 0xAAAAAAAA
|
|
: 0x14141414;
|
|
|
|
// SEE HOW MANY TEXT FRAMES PER SECOND WE CAN PRODUCE WITH NOTHING ELSE
|
|
// GOING ON, CHANGING HALF OF THE BYTES IN THE VIDEO BUFFER EACH FRAME TO
|
|
// SIMULATE THE ACTIVITY OF AN AVERAGE GAME
|
|
DWORD totaltextfps = 0;
|
|
|
|
g_uVideoMode = VF_TEXT;
|
|
FillMemory(mem+0x400,0x400,0x14);
|
|
VideoRedrawScreen();
|
|
DWORD milliseconds = GetTickCount();
|
|
while (GetTickCount() == milliseconds) ;
|
|
milliseconds = GetTickCount();
|
|
DWORD cycle = 0;
|
|
do {
|
|
if (cycle & 1)
|
|
FillMemory(mem+0x400,0x400,0x14);
|
|
else
|
|
CopyMemory(mem+0x400,mem+((cycle & 2) ? 0x4000 : 0x6000),0x400);
|
|
VideoRefreshScreen(0);
|
|
if (cycle++ >= 3)
|
|
cycle = 0;
|
|
totaltextfps++;
|
|
} while (GetTickCount() - milliseconds < 1000);
|
|
|
|
// SEE HOW MANY HIRES FRAMES PER SECOND WE CAN PRODUCE WITH NOTHING ELSE
|
|
// GOING ON, CHANGING HALF OF THE BYTES IN THE VIDEO BUFFER EACH FRAME TO
|
|
// SIMULATE THE ACTIVITY OF AN AVERAGE GAME
|
|
DWORD totalhiresfps = 0;
|
|
g_uVideoMode = VF_HIRES;
|
|
FillMemory(mem+0x2000,0x2000,0x14);
|
|
VideoRedrawScreen();
|
|
milliseconds = GetTickCount();
|
|
while (GetTickCount() == milliseconds) ;
|
|
milliseconds = GetTickCount();
|
|
cycle = 0;
|
|
do {
|
|
if (cycle & 1)
|
|
FillMemory(mem+0x2000,0x2000,0x14);
|
|
else
|
|
CopyMemory(mem+0x2000,mem+((cycle & 2) ? 0x4000 : 0x6000),0x2000);
|
|
VideoRefreshScreen(0);
|
|
if (cycle++ >= 3)
|
|
cycle = 0;
|
|
totalhiresfps++;
|
|
} while (GetTickCount() - milliseconds < 1000);
|
|
|
|
// DETERMINE HOW MANY 65C02 CLOCK CYCLES WE CAN EMULATE PER SECOND WITH
|
|
// NOTHING ELSE GOING ON
|
|
CpuSetupBenchmark();
|
|
DWORD totalmhz10 = 0;
|
|
milliseconds = GetTickCount();
|
|
while (GetTickCount() == milliseconds) ;
|
|
milliseconds = GetTickCount();
|
|
cycle = 0;
|
|
do {
|
|
CpuExecute(100000);
|
|
totalmhz10++;
|
|
} while (GetTickCount() - milliseconds < 1000);
|
|
|
|
// IF THE PROGRAM COUNTER IS NOT IN THE EXPECTED RANGE AT THE END OF THE
|
|
// CPU BENCHMARK, REPORT AN ERROR AND OPTIONALLY TRACK IT DOWN
|
|
if ((regs.pc < 0x300) || (regs.pc > 0x400))
|
|
if (MessageBox(g_hFrameWindow,
|
|
TEXT("The emulator has detected a problem while running ")
|
|
TEXT("the CPU benchmark. Would you like to gather more ")
|
|
TEXT("information?"),
|
|
TEXT("Benchmarks"),
|
|
MB_ICONQUESTION | MB_YESNO | MB_SETFOREGROUND) == IDYES) {
|
|
BOOL error = 0;
|
|
WORD lastpc = 0x300;
|
|
int loop = 0;
|
|
while ((loop < 10000) && !error) {
|
|
CpuSetupBenchmark();
|
|
CpuExecute(loop);
|
|
if ((regs.pc < 0x300) || (regs.pc > 0x400))
|
|
error = 1;
|
|
else {
|
|
lastpc = regs.pc;
|
|
++loop;
|
|
}
|
|
}
|
|
if (error) {
|
|
TCHAR outstr[256];
|
|
wsprintf(outstr,
|
|
TEXT("The emulator experienced an error %u clock cycles ")
|
|
TEXT("into the CPU benchmark. Prior to the error, the ")
|
|
TEXT("program counter was at $%04X. After the error, it ")
|
|
TEXT("had jumped to $%04X."),
|
|
(unsigned)loop,
|
|
(unsigned)lastpc,
|
|
(unsigned)regs.pc);
|
|
MessageBox(g_hFrameWindow,
|
|
outstr,
|
|
TEXT("Benchmarks"),
|
|
MB_ICONINFORMATION | MB_SETFOREGROUND);
|
|
}
|
|
else
|
|
MessageBox(g_hFrameWindow,
|
|
TEXT("The emulator was unable to locate the exact ")
|
|
TEXT("point of the error. This probably means that ")
|
|
TEXT("the problem is external to the emulator, ")
|
|
TEXT("happening asynchronously, such as a problem in ")
|
|
TEXT("a timer interrupt handler."),
|
|
TEXT("Benchmarks"),
|
|
MB_ICONINFORMATION | MB_SETFOREGROUND);
|
|
}
|
|
|
|
// DO A REALISTIC TEST OF HOW MANY FRAMES PER SECOND WE CAN PRODUCE
|
|
// WITH FULL EMULATION OF THE CPU, JOYSTICK, AND DISK HAPPENING AT
|
|
// THE SAME TIME
|
|
DWORD realisticfps = 0;
|
|
FillMemory(mem+0x2000,0x2000,0xAA);
|
|
VideoRedrawScreen();
|
|
milliseconds = GetTickCount();
|
|
while (GetTickCount() == milliseconds) ;
|
|
milliseconds = GetTickCount();
|
|
cycle = 0;
|
|
do {
|
|
if (realisticfps < 10) {
|
|
int cycles = 100000;
|
|
while (cycles > 0) {
|
|
DWORD executedcycles = CpuExecute(103);
|
|
cycles -= executedcycles;
|
|
DiskUpdatePosition(executedcycles);
|
|
JoyUpdateButtonLatch(executedcycles);
|
|
}
|
|
}
|
|
if (cycle & 1)
|
|
FillMemory(mem+0x2000,0x2000,0xAA);
|
|
else
|
|
CopyMemory(mem+0x2000,mem+((cycle & 2) ? 0x4000 : 0x6000),0x2000);
|
|
VideoRedrawScreen(); // VideoRefreshScreen();
|
|
if (cycle++ >= 3)
|
|
cycle = 0;
|
|
realisticfps++;
|
|
} while (GetTickCount() - milliseconds < 1000);
|
|
|
|
// DISPLAY THE RESULTS
|
|
VideoDisplayLogo();
|
|
TCHAR outstr[256];
|
|
wsprintf(outstr,
|
|
TEXT("Pure Video FPS:\t%u hires, %u text\n")
|
|
TEXT("Pure CPU MHz:\t%u.%u%s\n\n")
|
|
TEXT("EXPECTED AVERAGE VIDEO GAME\n")
|
|
TEXT("PERFORMANCE: %u FPS"),
|
|
(unsigned)totalhiresfps,
|
|
(unsigned)totaltextfps,
|
|
(unsigned)(totalmhz10/10),
|
|
(unsigned)(totalmhz10 % 10),
|
|
(LPCTSTR)(IS_APPLE2 ? TEXT(" (6502)") : TEXT("")),
|
|
(unsigned)realisticfps);
|
|
MessageBox(g_hFrameWindow,
|
|
outstr,
|
|
TEXT("Benchmarks"),
|
|
MB_ICONINFORMATION | MB_SETFOREGROUND);
|
|
}
|
|
|
|
//===========================================================================
|
|
BYTE VideoCheckMode (WORD, WORD address, BYTE, BYTE, ULONG uExecutedCycles)
|
|
{
|
|
address &= 0xFF;
|
|
if (address == 0x7F)
|
|
return MemReadFloatingBus(SW_DHIRES != 0, uExecutedCycles);
|
|
else {
|
|
BOOL result = 0;
|
|
switch (address) {
|
|
case 0x1A: result = SW_TEXT; break;
|
|
case 0x1B: result = SW_MIXED; break;
|
|
case 0x1D: result = SW_HIRES; break;
|
|
case 0x1E: result = g_nAltCharSetOffset; break;
|
|
case 0x1F: result = SW_80COL; break;
|
|
case 0x7F: result = SW_DHIRES; break;
|
|
}
|
|
return KeybGetKeycode() | (result ? 0x80 : 0);
|
|
}
|
|
}
|
|
|
|
//===========================================================================
|
|
|
|
/*
|
|
// Drol expects = 80
|
|
68DE A5 02 LDX #02
|
|
68E0 AD 50 C0 LDA TXTCLR
|
|
68E3 C9 80 CMP #80
|
|
68E5 D0 F7 BNE $68DE
|
|
|
|
6957 A5 02 LDX #02
|
|
6959 AD 50 C0 LDA TXTCLR
|
|
695C C9 80 CMP #80
|
|
695E D0 F7 BNE $68DE
|
|
|
|
69D3 A5 02 LDX #02
|
|
69D5 AD 50 C0 LDA TXTCLR
|
|
69D8 C9 80 CMP #80
|
|
69DA D0 F7 BNE $68DE
|
|
|
|
// Karateka expects < 80
|
|
07DE AD 19 C0 LDA RDVBLBAR
|
|
07E1 30 FB BMI $7DE
|
|
|
|
77A1 AD 19 C0 LDA RDVBLBAR
|
|
77A4 30 FB BMI $7DE
|
|
|
|
// Gumball expects non-zero low-nibble on VBL
|
|
BBB5 A5 60 LDA $60
|
|
BBB7 4D 50 C0 EOR TXTCLR
|
|
BBBA 85 60 STA $60
|
|
BBBC 29 0F AND #$0F
|
|
BBBE F0 F5 BEQ $BBB5
|
|
BBC0 C9 0F CMP #$0F
|
|
BBC2 F0 F1 BEQ $BBB5
|
|
|
|
// Diversi-Dial (DD4.DSK or DIAL.DSK)
|
|
F822 LDA RDVBLBAR
|
|
F825 EOR #$3C
|
|
BMI $F82A
|
|
RTS
|
|
F82A LDA $F825+1
|
|
EOR #$80
|
|
STA $F825+1
|
|
BMI $F86A
|
|
...
|
|
F86A RTS
|
|
|
|
*/
|
|
|
|
BYTE VideoCheckVbl ( ULONG uExecutedCycles )
|
|
{
|
|
bool bVblBar = VideoGetVbl(uExecutedCycles);
|
|
// NTSC: It is tempting to replace with
|
|
// bool bVblBar = NTSC_VideoIsVbl();
|
|
// But this breaks "ANSI STORY" intro center fade
|
|
|
|
BYTE r = KeybGetKeycode();
|
|
return (r & ~0x80) | (bVblBar ? 0x80 : 0);
|
|
}
|
|
|
|
// This is called from PageConfig
|
|
//===========================================================================
|
|
void VideoChooseMonochromeColor ()
|
|
{
|
|
CHOOSECOLOR cc;
|
|
ZeroMemory(&cc,sizeof(CHOOSECOLOR));
|
|
cc.lStructSize = sizeof(CHOOSECOLOR);
|
|
cc.hwndOwner = g_hFrameWindow;
|
|
cc.rgbResult = g_nMonochromeRGB;
|
|
cc.lpCustColors = customcolors + 1;
|
|
cc.Flags = CC_RGBINIT | CC_SOLIDCOLOR;
|
|
if (ChooseColor(&cc))
|
|
{
|
|
g_nMonochromeRGB = cc.rgbResult;
|
|
VideoReinitialize();
|
|
if ((g_nAppMode != MODE_LOGO) && (g_nAppMode != MODE_DEBUG))
|
|
{
|
|
VideoRedrawScreen();
|
|
}
|
|
Config_Save_Video();
|
|
}
|
|
}
|
|
|
|
//===========================================================================
|
|
void VideoDestroy () {
|
|
|
|
// DESTROY BUFFERS
|
|
VirtualFree(g_pFramebufferinfo,0,MEM_RELEASE);
|
|
VirtualFree(g_pSourceHeader ,0,MEM_RELEASE);
|
|
VirtualFree(vidlastmem ,0,MEM_RELEASE);
|
|
g_pFramebufferinfo = NULL;
|
|
g_pSourceHeader = NULL;
|
|
vidlastmem = NULL;
|
|
|
|
// DESTROY FRAME BUFFER
|
|
DeleteDC(g_hDeviceDC);
|
|
DeleteObject(g_hDeviceBitmap);
|
|
g_hDeviceDC = (HDC)0;
|
|
g_hDeviceBitmap = (HBITMAP)0;
|
|
|
|
// DESTROY SOURCE IMAGE
|
|
DeleteObject(g_hSourceBitmap);
|
|
g_hSourceBitmap = (HBITMAP)0;
|
|
|
|
// DESTROY LOGO
|
|
if (g_hLogoBitmap) {
|
|
DeleteObject(g_hLogoBitmap);
|
|
g_hLogoBitmap = (HBITMAP)0;
|
|
}
|
|
|
|
// DESTROY PALETTE
|
|
if (g_hPalette) {
|
|
DeleteObject(g_hPalette);
|
|
g_hPalette = (HPALETTE)0;
|
|
}
|
|
}
|
|
|
|
//===========================================================================
|
|
|
|
void VideoDrawLogoBitmap(HDC hDstDC, int xoff, int yoff, int srcw, int srch, int scale)
|
|
{
|
|
HDC hSrcDC = CreateCompatibleDC( hDstDC );
|
|
SelectObject( hSrcDC, g_hLogoBitmap );
|
|
StretchBlt(
|
|
hDstDC, // hdcDest
|
|
xoff, yoff, // nXDest, nYDest
|
|
scale * srcw, scale * srch, // nWidth, nHeight
|
|
hSrcDC, // hdcSrc
|
|
0, 0, // nXSrc, nYSrc
|
|
srcw, srch,
|
|
SRCCOPY // dwRop
|
|
);
|
|
|
|
DeleteObject( hSrcDC );
|
|
}
|
|
|
|
//===========================================================================
|
|
void VideoDisplayLogo ()
|
|
{
|
|
int xoff = 0, yoff = 0, scale = 0;
|
|
HDC hFrameDC = FrameGetDC();
|
|
|
|
// DRAW THE LOGO
|
|
// HBRUSH brush = CreateSolidBrush(PALETTERGB(0x70,0x30,0xE0));
|
|
// SelectObject(hFrameDC, brush);
|
|
|
|
SelectObject(hFrameDC, GetStockObject(NULL_PEN));
|
|
|
|
int nViewportCX, nViewportCY;
|
|
GetViewportCXCY(nViewportCX, nViewportCY);
|
|
Rectangle(hFrameDC, 0, 0, nViewportCX+1, nViewportCY+1);
|
|
|
|
if (g_hLogoBitmap)
|
|
{
|
|
BITMAP bm;
|
|
if (GetObject(g_hLogoBitmap, sizeof(bm), &bm))
|
|
{
|
|
scale = nViewportCX / bm.bmWidth;
|
|
if (nViewportCY / bm.bmHeight < scale)
|
|
scale = nViewportCY / bm.bmHeight;
|
|
|
|
if (scale > 0)
|
|
{
|
|
if (nViewportCX > bm.bmWidth)
|
|
xoff = (nViewportCX - (scale * bm.bmWidth)) / 2;
|
|
if (nViewportCY > bm.bmHeight)
|
|
yoff = (nViewportCY - (scale * bm.bmHeight)) / 2;
|
|
|
|
if( g_bIsFullScreen )
|
|
{
|
|
yoff = 0;
|
|
}
|
|
|
|
VideoDrawLogoBitmap( hFrameDC, xoff, yoff, bm.bmWidth, bm.bmHeight, scale );
|
|
}
|
|
}
|
|
}
|
|
|
|
// DRAW THE VERSION NUMBER
|
|
TCHAR sFontName[] = TEXT("Arial");
|
|
HFONT font = CreateFont(-20,0,0,0,FW_NORMAL,0,0,0,ANSI_CHARSET,
|
|
OUT_DEFAULT_PRECIS,CLIP_DEFAULT_PRECIS,DEFAULT_QUALITY,
|
|
VARIABLE_PITCH | 4 | FF_SWISS,
|
|
sFontName );
|
|
SelectObject(hFrameDC,font);
|
|
SetTextAlign(hFrameDC,TA_RIGHT | TA_TOP);
|
|
SetBkMode(hFrameDC,TRANSPARENT);
|
|
|
|
char szVersion[ 64 ] = "";
|
|
sprintf( szVersion, "Version %s", VERSIONSTRING );
|
|
|
|
#define DRAWVERSION(x,y,c) \
|
|
SetTextColor(hFrameDC,c); \
|
|
TextOut(hFrameDC, \
|
|
scale*540+x+xoff,scale*358+y+yoff, \
|
|
szVersion, \
|
|
strlen(szVersion));
|
|
|
|
if (GetDeviceCaps(hFrameDC,PLANES) * GetDeviceCaps(hFrameDC,BITSPIXEL) <= 4) {
|
|
DRAWVERSION( 2, 2,RGB(0x00,0x00,0x00));
|
|
DRAWVERSION( 1, 1,RGB(0x00,0x00,0x00));
|
|
DRAWVERSION( 0, 0,RGB(0xFF,0x00,0xFF));
|
|
} else {
|
|
DRAWVERSION( 1, 1,PALETTERGB(0x30,0x30,0x70));
|
|
DRAWVERSION(-1,-1,PALETTERGB(0xC0,0x70,0xE0));
|
|
DRAWVERSION( 0, 0,PALETTERGB(0x70,0x30,0xE0));
|
|
}
|
|
|
|
#if _DEBUG
|
|
sprintf( szVersion, "DEBUG" );
|
|
DRAWVERSION( 2, -358*scale,RGB(0x00,0x00,0x00));
|
|
DRAWVERSION( 1, -357*scale,RGB(0x00,0x00,0x00));
|
|
DRAWVERSION( 0, -356*scale,RGB(0xFF,0x00,0xFF));
|
|
#endif
|
|
|
|
// NTSC Alpha Version
|
|
DeleteObject(font);
|
|
/*
|
|
font = CreateFontA(
|
|
-48,0,0,0,FW_NORMAL,0,0,0,ANSI_CHARSET,
|
|
OUT_DEFAULT_PRECIS,CLIP_DEFAULT_PRECIS,DEFAULT_QUALITY,
|
|
VARIABLE_PITCH | 4 | FF_SWISS,
|
|
sFontName)
|
|
);
|
|
*/
|
|
PLOGFONT pLogFont = (PLOGFONT) LocalAlloc(LPTR, sizeof(LOGFONT));
|
|
int angle = 33 * 10; // 3600 = 360 degrees
|
|
pLogFont->lfHeight = -48;
|
|
pLogFont->lfWeight = FW_NORMAL;
|
|
pLogFont->lfEscapement = angle;
|
|
pLogFont->lfOrientation = angle;
|
|
SetTextAlign(hFrameDC,TA_BASELINE);
|
|
|
|
font = CreateFontIndirect( pLogFont );
|
|
HGDIOBJ hFontPrev = SelectObject(hFrameDC, font);
|
|
|
|
SelectObject(hFrameDC,font);
|
|
sprintf( szVersion, "NTSC Alpha v14 HorzClock" );
|
|
xoff = -nViewportCX + nViewportCX/6;
|
|
yoff = +nViewportCY/16;
|
|
DRAWVERSION( 0, 0,RGB(0x00,0x00,0x00));
|
|
DRAWVERSION( 1, 1,RGB(0x00,0x00,0x00));
|
|
DRAWVERSION( 2, 2,RGB(0xFF,0x00,0xFF));
|
|
|
|
LocalFree((LOCALHANDLE)pLogFont);
|
|
SelectObject(hFrameDC,hFontPrev);
|
|
// NTSC END
|
|
|
|
#undef DRAWVERSION
|
|
|
|
FrameReleaseDC();
|
|
// DeleteObject(brush);
|
|
DeleteObject(font);
|
|
}
|
|
|
|
//===========================================================================
|
|
|
|
void VideoRedrawScreen ()
|
|
{
|
|
g_VideoForceFullRedraw = 1;
|
|
|
|
VideoRefreshScreen( g_uVideoMode );
|
|
}
|
|
|
|
//===========================================================================
|
|
int _Video_SetupBanks( bool bBank2 )
|
|
{
|
|
g_pHiresBank1 = MemGetAuxPtr (0x2000 << (int)bBank2);
|
|
g_pHiresBank0 = MemGetMainPtr(0x2000 << (int)bBank2);
|
|
g_pTextBank1 = MemGetAuxPtr (0x400 << (int)bBank2);
|
|
g_pTextBank0 = MemGetMainPtr(0x400 << (int)bBank2);
|
|
|
|
return bBank2 ? VF_PAGE2 : 0;
|
|
}
|
|
|
|
//===========================================================================
|
|
|
|
// NB. Can get "big" 1000+ms times: these occur during disk loading when the emulator is at full-speed.
|
|
|
|
//#define DEBUG_REFRESH_TIMINGS
|
|
|
|
#if defined(_DEBUG) && defined(DEBUG_REFRESH_TIMINGS)
|
|
static void DebugRefresh(char uDebugFlag)
|
|
{
|
|
static DWORD uLastRefreshTime = 0;
|
|
|
|
const DWORD dwEmuTime_ms = CpuGetEmulationTime_ms();
|
|
const DWORD uTimeBetweenRefreshes = uLastRefreshTime ? dwEmuTime_ms - uLastRefreshTime : 0;
|
|
uLastRefreshTime = dwEmuTime_ms;
|
|
|
|
if (!uTimeBetweenRefreshes)
|
|
return; // 1st time in func
|
|
|
|
char szStr[100];
|
|
sprintf(szStr, "Time between refreshes = %d ms %c\n", uTimeBetweenRefreshes, (uDebugFlag==0)?' ':uDebugFlag);
|
|
OutputDebugString(szStr);
|
|
}
|
|
#endif
|
|
|
|
void VideoRefreshScreen ( int bVideoModeFlags )
|
|
{
|
|
#if defined(_DEBUG) && defined(DEBUG_REFRESH_TIMINGS)
|
|
DebugRefresh(0);
|
|
#endif
|
|
|
|
if( bVideoModeFlags )
|
|
{
|
|
NTSC_SetVideoMode( bVideoModeFlags );
|
|
NTSC_VideoUpdateCycles( VIDEO_SCANNER_6502_CYCLES );
|
|
}
|
|
|
|
// NTSC_BEGIN
|
|
LPBYTE pDstFrameBufferBits = 0;
|
|
LONG pitch = 0;
|
|
HDC hFrameDC = FrameGetVideoDC(&pDstFrameBufferBits,&pitch);
|
|
|
|
#if 1 // Keep Aspect Ratio
|
|
// Need to clear full screen logo to black
|
|
#define W g_nViewportCX
|
|
#define H g_nViewportCY
|
|
#else // Stretch
|
|
// Stretch - doesn't preserve 1:1 aspect ratio
|
|
#define W g_bIsFullScreen ? g_nDDFullScreenW : g_nViewportCX
|
|
#define H g_bIsFullScreen ? g_nDDFullScreenH : g_nViewportCY
|
|
#endif
|
|
|
|
if (hFrameDC)
|
|
{
|
|
StretchBlt(
|
|
hFrameDC,
|
|
0, 0,
|
|
W, // dst
|
|
H, // dst
|
|
g_hDeviceDC,
|
|
0, 0,
|
|
FRAMEBUFFER_W, FRAMEBUFFER_H, // src // NOT 560, 384
|
|
SRCCOPY );
|
|
GdiFlush();
|
|
}
|
|
|
|
FrameReleaseVideoDC();
|
|
|
|
if (g_VideoForceFullRedraw)
|
|
--g_VideoForceFullRedraw;
|
|
// NTSC_END
|
|
}
|
|
|
|
//===========================================================================
|
|
void VideoReinitialize ()
|
|
{
|
|
NTSC_VideoInitAppleType();
|
|
NTSC_SetVideoStyle();
|
|
}
|
|
|
|
|
|
//===========================================================================
|
|
void VideoResetState ()
|
|
{
|
|
g_nAltCharSetOffset = 0;
|
|
g_uVideoMode = VF_TEXT;
|
|
g_VideoForceFullRedraw = 1;
|
|
}
|
|
|
|
|
|
//===========================================================================
|
|
|
|
BYTE VideoSetMode (WORD, WORD address, BYTE write, BYTE, ULONG uExecutedCycles)
|
|
{
|
|
address &= 0xFF;
|
|
|
|
// DWORD oldpage2 = SW_PAGE2;
|
|
// int oldvalue = g_nAltCharSetOffset+(int)(g_uVideoMode & ~(VF_80STORE | VF_PAGE2));
|
|
|
|
switch (address)
|
|
{
|
|
case 0x00: g_uVideoMode &= ~VF_80STORE; ; break;
|
|
case 0x01: g_uVideoMode |= VF_80STORE; ; break;
|
|
case 0x0C: if (!IS_APPLE2){g_uVideoMode &= ~VF_80COL; NTSC_SetVideoTextMode(40);}; break;
|
|
case 0x0D: if (!IS_APPLE2){g_uVideoMode |= VF_80COL; NTSC_SetVideoTextMode(80);}; break;
|
|
case 0x0E: if (!IS_APPLE2) g_nAltCharSetOffset = 0; break; // Alternate char set off
|
|
case 0x0F: if (!IS_APPLE2) g_nAltCharSetOffset = 256; break; // Alternate char set on
|
|
case 0x50: g_uVideoMode &= ~VF_TEXT; break;
|
|
case 0x51: g_uVideoMode |= VF_TEXT; break;
|
|
case 0x52: g_uVideoMode &= ~VF_MIXED; break;
|
|
case 0x53: g_uVideoMode |= VF_MIXED; break;
|
|
case 0x54: g_uVideoMode &= ~VF_PAGE2; break;
|
|
case 0x55: g_uVideoMode |= VF_PAGE2; break;
|
|
case 0x56: g_uVideoMode &= ~VF_HIRES; break;
|
|
case 0x57: g_uVideoMode |= VF_HIRES; break;
|
|
case 0x5E: if (!IS_APPLE2) g_uVideoMode |= VF_DHIRES; break;
|
|
case 0x5F: if (!IS_APPLE2) g_uVideoMode &= ~VF_DHIRES; break;
|
|
}
|
|
|
|
// Apple IIe, Techical Nodtes, #3: Double High-Resolution Graphics
|
|
// 80STORE must be OFF to display page 2
|
|
if (SW_80STORE)
|
|
g_uVideoMode &= ~VF_PAGE2;
|
|
|
|
// NTSC_BEGIN
|
|
NTSC_SetVideoMode( g_uVideoMode );
|
|
// NTSC_END
|
|
|
|
#if 0 // NTSC_CLEANUP: Is this still needed??
|
|
|
|
if (oldvalue != g_nAltCharSetOffset+(int)(g_uVideoMode & ~(VF_80STORE | VF_PAGE2)))
|
|
g_VideoForceFullRedraw = 1; // Defer video redraw until VideoEndOfVideoFrame()
|
|
|
|
if (oldpage2 != SW_PAGE2)
|
|
{
|
|
// /g_bVideoUpdatedThisFrame/ is used to limit the video update to once per 60Hz frame (CPU clk=1MHz):
|
|
// . this easily supports the common double-buffered "flip-immediate" case (eg. Airheart flips at a max of ~15Hz, Skyfox/Boulderdash at a max of ~11Hz)
|
|
// . crucially this prevents tight-loop page flipping (GH#129,GH#204) from max'ing out an x86 CPU core (and not providing realtime emulation)
|
|
// NB. Deferring the update by just setting /g_VideoForceFullRedraw/ is not an option, since this doesn't provide "flip-immediate"
|
|
//
|
|
// Ultimately this isn't the correct solution, and proper cycle-accurate video rendering should be done, but this is a much bigger job!
|
|
// TODO: Is MemReadFloatingBus() still accurate now that we have proper per cycle video rendering??
|
|
|
|
if (!g_bVideoUpdatedThisFrame)
|
|
{
|
|
VideoRedrawScreen(); // VideoRefreshScreen();
|
|
g_bVideoUpdatedThisFrame = true;
|
|
}
|
|
}
|
|
#endif // NTSC_CLEANUP
|
|
return MemReadFloatingBus(uExecutedCycles);
|
|
}
|
|
|
|
//===========================================================================
|
|
|
|
bool VideoGetSW80COL(void)
|
|
{
|
|
return SW_80COL ? true : false;
|
|
}
|
|
|
|
bool VideoGetSWDHIRES(void)
|
|
{
|
|
return SW_DHIRES ? true : false;
|
|
}
|
|
|
|
bool VideoGetSWHIRES(void)
|
|
{
|
|
return SW_HIRES ? true : false;
|
|
}
|
|
|
|
bool VideoGetSW80STORE(void)
|
|
{
|
|
return SW_80STORE ? true : false;
|
|
}
|
|
|
|
bool VideoGetSWMIXED(void)
|
|
{
|
|
return SW_MIXED ? true : false;
|
|
}
|
|
|
|
bool VideoGetSWPAGE2(void)
|
|
{
|
|
return SW_PAGE2 ? true : false;
|
|
}
|
|
|
|
bool VideoGetSWTEXT(void)
|
|
{
|
|
return SW_TEXT ? true : false;
|
|
}
|
|
|
|
bool VideoGetSWAltCharSet(void)
|
|
{
|
|
return g_nAltCharSetOffset == 0;
|
|
}
|
|
|
|
//===========================================================================
|
|
|
|
void VideoSetForceFullRedraw(void)
|
|
{
|
|
g_VideoForceFullRedraw = 1;
|
|
}
|
|
|
|
//===========================================================================
|
|
|
|
DWORD VideoGetSnapshot(SS_IO_Video* pSS)
|
|
{
|
|
pSS->bAltCharSet = !(g_nAltCharSetOffset == 0);
|
|
pSS->dwVidMode = g_uVideoMode;
|
|
return 0;
|
|
}
|
|
|
|
//===========================================================================
|
|
|
|
DWORD VideoSetSnapshot(SS_IO_Video* pSS)
|
|
{
|
|
g_nAltCharSetOffset = !pSS->bAltCharSet ? 0 : 256;
|
|
g_uVideoMode = pSS->dwVidMode;
|
|
return 0;
|
|
}
|
|
|
|
//===========================================================================
|
|
//
|
|
// References to Jim Sather's books are given as eg:
|
|
// UTAIIe:5-7,P3 (Understanding the Apple IIe, chapter 5, page 7, Paragraph 3)
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//
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WORD VideoGetScannerAddress(bool* pbVblBar_OUT, const DWORD uExecutedCycles)
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{
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// get video scanner position
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//
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int nCycles = CpuGetCyclesThisVideoFrame(uExecutedCycles);
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// machine state switches
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//
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int nHires = (SW_HIRES && !SW_TEXT) ? 1 : 0;
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int nPage2 = SW_PAGE2 ? 1 : 0;
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int n80Store = SW_80STORE ? 1 : 0;
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// calculate video parameters according to display standard
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//
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int nScanLines = bVideoScannerNTSC ? kNTSCScanLines : kPALScanLines;
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int nVSyncLine = bVideoScannerNTSC ? kNTSCVSyncLine : kPALVSyncLine;
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int nScanCycles = nScanLines * kHClocks;
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// calculate horizontal scanning state
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//
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int nHClock = (nCycles + kHPEClock) % kHClocks; // which horizontal scanning clock
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int nHState = kHClock0State + nHClock; // H state bits
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if (nHClock >= kHPresetClock) // check for horizontal preset
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{
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nHState -= 1; // correct for state preset (two 0 states)
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}
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int h_0 = (nHState >> 0) & 1; // get horizontal state bits
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int h_1 = (nHState >> 1) & 1;
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int h_2 = (nHState >> 2) & 1;
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int h_3 = (nHState >> 3) & 1;
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int h_4 = (nHState >> 4) & 1;
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int h_5 = (nHState >> 5) & 1;
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// calculate vertical scanning state
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//
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int nVLine = nCycles / kHClocks; // which vertical scanning line
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int nVState = kVLine0State + nVLine; // V state bits
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if ((nVLine >= kVPresetLine)) // check for previous vertical state preset
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{
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nVState -= nScanLines; // compensate for preset
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}
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int v_A = (nVState >> 0) & 1; // get vertical state bits
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int v_B = (nVState >> 1) & 1;
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int v_C = (nVState >> 2) & 1;
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int v_0 = (nVState >> 3) & 1;
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int v_1 = (nVState >> 4) & 1;
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int v_2 = (nVState >> 5) & 1;
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int v_3 = (nVState >> 6) & 1;
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int v_4 = (nVState >> 7) & 1;
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int v_5 = (nVState >> 8) & 1;
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// calculate scanning memory address
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//
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if (nHires && SW_MIXED && v_4 && v_2) // HIRES TIME signal (UTAIIe:5-7,P3)
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{
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nHires = 0; // address is in text memory for mixed hires
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}
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int nAddend0 = 0x0D; // 1 1 0 1
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int nAddend1 = (h_5 << 2) | (h_4 << 1) | (h_3 << 0);
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int nAddend2 = (v_4 << 3) | (v_3 << 2) | (v_4 << 1) | (v_3 << 0);
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int nSum = (nAddend0 + nAddend1 + nAddend2) & 0x0F; // SUM (UTAIIe:5-9)
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int nAddress = 0; // build address from video scanner equations (UTAIIe:5-8,T5.1)
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nAddress |= h_0 << 0; // a0
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nAddress |= h_1 << 1; // a1
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nAddress |= h_2 << 2; // a2
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nAddress |= nSum << 3; // a3 - a6
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nAddress |= v_0 << 7; // a7
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nAddress |= v_1 << 8; // a8
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nAddress |= v_2 << 9; // a9
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int p2a = !(nPage2 && !n80Store);
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int p2b = nPage2 && !n80Store;
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if (nHires) // hires?
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{
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// Y: insert hires-only address bits
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//
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nAddress |= v_A << 10; // a10
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nAddress |= v_B << 11; // a11
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nAddress |= v_C << 12; // a12
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nAddress |= p2a << 13; // a13
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nAddress |= p2b << 14; // a14
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}
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else
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{
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// N: insert text-only address bits
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//
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nAddress |= p2a << 10; // a10
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nAddress |= p2b << 11; // a11
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// Apple ][ (not //e) and HBL?
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//
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if (IS_APPLE2 && // Apple II only (UTAIIe:I-4,#5)
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!h_5 && (!h_4 || !h_3)) // HBL (UTAIIe:8-10,F8.5)
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{
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nAddress |= 1 << 12; // Y: a12 (add $1000 to address!)
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}
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}
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// update VBL' state
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//
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if (pbVblBar_OUT != NULL)
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{
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*pbVblBar_OUT = !v_4 || !v_3; // VBL' = (v_4 & v_3)' (UTAIIe:5-10,#3)
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}
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return static_cast<WORD>(nAddress);
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}
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//===========================================================================
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// Derived from VideoGetScannerAddress()
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bool VideoGetVbl(const DWORD uExecutedCycles)
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{
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// get video scanner position
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//
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int nCycles = CpuGetCyclesThisVideoFrame(uExecutedCycles);
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// calculate video parameters according to display standard
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//
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int nScanLines = bVideoScannerNTSC ? kNTSCScanLines : kPALScanLines;
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// calculate vertical scanning state
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//
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int nVLine = nCycles / kHClocks; // which vertical scanning line
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int nVState = kVLine0State + nVLine; // V state bits
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if ((nVLine >= kVPresetLine)) // check for previous vertical state preset
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{
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nVState -= nScanLines; // compensate for preset
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}
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int v_3 = (nVState >> 6) & 1;
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int v_4 = (nVState >> 7) & 1;
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// update VBL' state
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//
|
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if (v_4 & v_3) // VBL?
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{
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return false; // Y: VBL' is false
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}
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else
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{
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return true; // N: VBL' is true
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}
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}
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//===========================================================================
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#define SCREENSHOT_BMP 1
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#define SCREENSHOT_TGA 0
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// alias for nSuffixScreenShotFileName
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static int g_nLastScreenShot = 0;
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const int nMaxScreenShot = 999999999;
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static int g_iScreenshotType;
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static char *g_pLastDiskImageName = NULL;
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//const int nMaxScreenShot = 2;
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//===========================================================================
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void Video_ResetScreenshotCounter( char *pImageName )
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{
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g_nLastScreenShot = 0;
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g_pLastDiskImageName = pImageName;
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}
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//===========================================================================
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void Util_MakeScreenShotFileName( char *pFinalFileName_ )
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{
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char sPrefixScreenShotFileName[ 256 ] = "AppleWin_ScreenShot";
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// TODO: g_sScreenshotDir
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char *pPrefixFileName = g_pLastDiskImageName ? g_pLastDiskImageName : sPrefixScreenShotFileName;
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#if SCREENSHOT_BMP
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sprintf( pFinalFileName_, "%s_%09d.bmp", pPrefixFileName, g_nLastScreenShot );
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#endif
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#if SCREENSHOT_TGA
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sprintf( pFinalFileName_, "%s%09d.tga", pPrefixFileName, g_nLastScreenShot );
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#endif
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}
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// Returns TRUE if file exists, else FALSE
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//===========================================================================
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bool Util_TestScreenShotFileName( const char *pFileName )
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|
{
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|
bool bFileExists = false;
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|
FILE *pFile = fopen( pFileName, "rt" );
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if (pFile)
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{
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fclose( pFile );
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bFileExists = true;
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}
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return bFileExists;
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}
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//===========================================================================
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void Video_TakeScreenShot( int iScreenShotType )
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|
{
|
|
char sScreenShotFileName[ MAX_PATH ];
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|
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g_iScreenshotType = iScreenShotType;
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|
|
// find last screenshot filename so we don't overwrite the existing user ones
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bool bExists = true;
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while( bExists )
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{
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if (g_nLastScreenShot > nMaxScreenShot) // Holy Crap! User has maxed the number of screenshots!?
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|
{
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sprintf( sScreenShotFileName, "You have more then %d screenshot filenames! They will no longer be saved.\n\nEither move some of your screenshots or increase the maximum in video.cpp\n", nMaxScreenShot );
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MessageBox( g_hFrameWindow, sScreenShotFileName, "Warning", MB_OK );
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g_nLastScreenShot = 0;
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return;
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}
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|
|
Util_MakeScreenShotFileName( sScreenShotFileName );
|
|
bExists = Util_TestScreenShotFileName( sScreenShotFileName );
|
|
if( !bExists )
|
|
{
|
|
break;
|
|
}
|
|
g_nLastScreenShot++;
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|
}
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|
|
|
Video_SaveScreenShot( sScreenShotFileName );
|
|
g_nLastScreenShot++;
|
|
}
|
|
|
|
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typedef char int8;
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typedef short int16;
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typedef int int32;
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typedef unsigned char u8;
|
|
typedef signed short s16;
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|
|
/// turn of MSVC struct member padding
|
|
#pragma pack(push,1)
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|
|
struct bgra_t
|
|
{
|
|
u8 b;
|
|
u8 g;
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|
u8 r;
|
|
u8 a; // reserved on Win32
|
|
};
|
|
|
|
struct WinBmpHeader_t
|
|
{
|
|
// BITMAPFILEHEADER // Addr Size
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|
char nCookie[2] ; // 0x00 0x02 BM
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|
int32 nSizeFile ; // 0x02 0x04 0 = ignore
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int16 nReserved1 ; // 0x06 0x02
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int16 nReserved2 ; // 0x08 0x02
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|
int32 nOffsetData ; // 0x0A 0x04
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|
// == 0x0D (14)
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|
// BITMAPINFOHEADER
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|
int32 nStructSize ; // 0x0E 0x04 biSize
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int32 nWidthPixels ; // 0x12 0x04 biWidth
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|
int32 nHeightPixels ; // 0x16 0x04 biHeight
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|
int16 nPlanes ; // 0x1A 0x02 biPlanes
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|
int16 nBitsPerPixel ; // 0x1C 0x02 biBitCount
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|
int32 nCompression ; // 0x1E 0x04 biCompression 0 = BI_RGB
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|
int32 nSizeImage ; // 0x22 0x04 0 = ignore
|
|
int32 nXPelsPerMeter ; // 0x26 0x04
|
|
int32 nYPelsPerMeter ; // 0x2A 0x04
|
|
int32 nPaletteColors ; // 0x2E 0x04
|
|
int32 nImportantColors; // 0x32 0x04
|
|
// == 0x28 (40)
|
|
|
|
// RGBQUAD
|
|
// pixelmap
|
|
};
|
|
#pragma pack(pop)
|
|
|
|
WinBmpHeader_t g_tBmpHeader;
|
|
|
|
#if SCREENSHOT_TGA
|
|
enum TargaImageType_e
|
|
{
|
|
TARGA_RGB = 2
|
|
};
|
|
|
|
struct TargaHeader_t
|
|
{ // Addr Bytes
|
|
u8 nIdBytes ; // 00 01 size of ID field that follows 18 byte header (0 usually)
|
|
u8 bHasPalette ; // 01 01
|
|
u8 iImageType ; // 02 01 type of image 0=none,1=indexed,2=rgb,3=grey,+8=rle packed
|
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|
|
s16 iPaletteFirstColor ; // 03 02
|
|
s16 nPaletteColors ; // 05 02
|
|
u8 nPaletteBitsPerEntry ; // 07 01 number of bits per palette entry 15,16,24,32
|
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|
|
s16 nOriginX ; // 08 02 image x origin
|
|
s16 nOriginY ; // 0A 02 image y origin
|
|
s16 nWidthPixels ; // 0C 02
|
|
s16 nHeightPixels ; // 0E 02
|
|
u8 nBitsPerPixel ; // 10 01 image bits per pixel 8,16,24,32
|
|
u8 iDescriptor ; // 11 01 image descriptor bits (vh flip bits)
|
|
|
|
// pixel data...
|
|
u8 aPixelData[1] ; // rgb
|
|
};
|
|
|
|
TargaHeader_t g_tTargaHeader;
|
|
#endif // SCREENSHOT_TGA
|
|
|
|
//===========================================================================
|
|
void Video_MakeScreenShot(FILE *pFile)
|
|
{
|
|
#if SCREENSHOT_BMP
|
|
g_tBmpHeader.nCookie[ 0 ] = 'B'; // 0x42
|
|
g_tBmpHeader.nCookie[ 1 ] = 'M'; // 0x4d
|
|
g_tBmpHeader.nSizeFile = 0;
|
|
g_tBmpHeader.nReserved1 = 0;
|
|
g_tBmpHeader.nReserved2 = 0;
|
|
g_tBmpHeader.nOffsetData = sizeof(WinBmpHeader_t) + (256 * sizeof(bgra_t));
|
|
g_tBmpHeader.nStructSize = 0x28; // sizeof( WinBmpHeader_t );
|
|
g_tBmpHeader.nWidthPixels = g_iScreenshotType ? FRAMEBUFFER_W/2 :FRAMEBUFFER_W;
|
|
g_tBmpHeader.nHeightPixels = g_iScreenshotType ? FRAMEBUFFER_H/2 : FRAMEBUFFER_H;
|
|
g_tBmpHeader.nPlanes = 1;
|
|
g_tBmpHeader.nBitsPerPixel = 8;
|
|
g_tBmpHeader.nCompression = BI_RGB;
|
|
g_tBmpHeader.nSizeImage = 0;
|
|
g_tBmpHeader.nXPelsPerMeter = 0;
|
|
g_tBmpHeader.nYPelsPerMeter = 0;
|
|
g_tBmpHeader.nPaletteColors = 256;
|
|
g_tBmpHeader.nImportantColors = 0;
|
|
|
|
// char sText[256];
|
|
// sprintf( sText, "sizeof: BITMAPFILEHEADER = %d\n", sizeof(BITMAPFILEHEADER) ); // = 14
|
|
// MessageBox( g_hFrameWindow, sText, "Info 1", MB_OK );
|
|
// sprintf( sText, "sizeof: BITMAPINFOHEADER = %d\n", sizeof(BITMAPINFOHEADER) ); // = 40
|
|
// MessageBox( g_hFrameWindow, sText, "Info 2", MB_OK );
|
|
|
|
char sIfSizeZeroOrUnknown_BadWinBmpHeaderPackingSize[ sizeof( WinBmpHeader_t ) == (14 + 40) ];
|
|
sIfSizeZeroOrUnknown_BadWinBmpHeaderPackingSize;
|
|
|
|
// Write Header
|
|
int nLen;
|
|
fwrite( &g_tBmpHeader, sizeof( g_tBmpHeader ), 1, pFile );
|
|
|
|
// Write Palette Data
|
|
u8 *pSrc = ((u8*)g_pFramebufferinfo) + sizeof(BITMAPINFOHEADER);
|
|
nLen = g_tBmpHeader.nPaletteColors * sizeof(bgra_t); // RGBQUAD
|
|
fwrite( pSrc, nLen, 1, pFile );
|
|
pSrc += nLen;
|
|
|
|
// Write Pixel Data
|
|
// No need to use GetDibBits() since we already have http://msdn.microsoft.com/en-us/library/ms532334.aspx
|
|
// @reference: "Storing an Image" http://msdn.microsoft.com/en-us/library/ms532340(VS.85).aspx
|
|
pSrc = ((uint8_t*)g_pFramebufferbits);
|
|
nLen = g_tBmpHeader.nWidthPixels * g_tBmpHeader.nHeightPixels * g_tBmpHeader.nBitsPerPixel / 8;
|
|
|
|
if( g_iScreenshotType == SCREENSHOT_280x192 )
|
|
{
|
|
pSrc += FRAMEBUFFER_W; // Start on odd scanline (otherwise for 50% scanline mode get an all black image!)
|
|
|
|
u8 aScanLine[ 280 ];
|
|
u8 *pDst;
|
|
|
|
// 50% Half Scan Line clears every odd scanline.
|
|
// SHIFT+PrintScreen saves only the even rows.
|
|
// NOTE: Keep in sync with _Video_RedrawScreen() & Video_MakeScreenShot()
|
|
for( int y = 0; y < FRAMEBUFFER_H/2; y++ )
|
|
{
|
|
pDst = aScanLine;
|
|
for( int x = 0; x < FRAMEBUFFER_W/2; x++ )
|
|
{
|
|
*pDst++ = pSrc[1]; // correction for left edge loss of scaled scanline [Bill Buckel, B#18928]
|
|
pSrc += 2; // skip odd pixels
|
|
}
|
|
fwrite( aScanLine, FRAMEBUFFER_W/2, 1, pFile );
|
|
pSrc += FRAMEBUFFER_W; // scan lines doubled - skip odd ones
|
|
}
|
|
}
|
|
else
|
|
{
|
|
fwrite( pSrc, nLen, 1, pFile );
|
|
}
|
|
#endif // SCREENSHOT_BMP
|
|
|
|
#if SCREENSHOT_TGA
|
|
TargaHeader_t *pHeader = &g_tTargaHeader;
|
|
memset( (void*)pHeader, 0, sizeof( TargaHeader_t ) );
|
|
|
|
pHeader->iImageType = TARGA_RGB;
|
|
pHeader->nWidthPixels = FRAMEBUFFER_W;
|
|
pHeader->nHeightPixels = FRAMEBUFFER_H;
|
|
pHeader->nBitsPerPixel = 24;
|
|
#endif // SCREENSHOT_TGA
|
|
|
|
}
|
|
|
|
//===========================================================================
|
|
void Video_SaveScreenShot( const char *pScreenShotFileName )
|
|
{
|
|
FILE *pFile = fopen( pScreenShotFileName, "wb" );
|
|
if( pFile )
|
|
{
|
|
Video_MakeScreenShot( pFile );
|
|
fclose( pFile );
|
|
}
|
|
|
|
if( g_bDisplayPrintScreenFileName )
|
|
{
|
|
MessageBox( g_hFrameWindow, pScreenShotFileName, "Screen Captured", MB_OK );
|
|
}
|
|
}
|
|
|
|
//===========================================================================
|
|
|
|
void Config_Load_Video()
|
|
{
|
|
REGLOAD(TEXT(REGVALUE_VIDEO_MODE ),&g_eVideoType);
|
|
REGLOAD(TEXT(REGVALUE_VIDEO_HALF_SCAN_LINES),&g_uHalfScanLines);
|
|
REGLOAD(TEXT(REGVALUE_VIDEO_MONO_COLOR ),&g_nMonochromeRGB);
|
|
|
|
if (g_eVideoType >= NUM_VIDEO_MODES)
|
|
g_eVideoType = VT_COLOR_STANDARD; // Old default: VT_COLOR_TVEMU
|
|
}
|
|
|
|
void Config_Save_Video()
|
|
{
|
|
REGSAVE(TEXT(REGVALUE_VIDEO_MODE ),g_eVideoType);
|
|
REGSAVE(TEXT(REGVALUE_VIDEO_HALF_SCAN_LINES),g_uHalfScanLines);
|
|
REGSAVE(TEXT(REGVALUE_VIDEO_MONO_COLOR ),g_nMonochromeRGB);
|
|
}
|
|
|
|
// ____________________________________________________________________
|
|
|
|
//===========================================================================
|
|
void videoCreateDIBSection()
|
|
{
|
|
// CREATE THE DEVICE CONTEXT
|
|
HWND window = GetDesktopWindow();
|
|
HDC dc = GetDC(window);
|
|
if (g_hDeviceDC)
|
|
{
|
|
DeleteDC(g_hDeviceDC);
|
|
}
|
|
g_hDeviceDC = CreateCompatibleDC(dc);
|
|
|
|
// CREATE THE FRAME BUFFER DIB SECTION
|
|
if (g_hDeviceBitmap)
|
|
DeleteObject(g_hDeviceBitmap);
|
|
g_hDeviceBitmap = CreateDIBSection(
|
|
dc,
|
|
g_pFramebufferinfo,
|
|
DIB_RGB_COLORS,
|
|
(LPVOID *)&g_pFramebufferbits,0,0
|
|
);
|
|
SelectObject(g_hDeviceDC,g_hDeviceBitmap);
|
|
|
|
// CREATE THE OFFSET TABLE FOR EACH SCAN LINE IN THE FRAME BUFFER
|
|
// DRAW THE SOURCE IMAGE INTO THE SOURCE BIT BUFFER
|
|
ZeroMemory( g_pFramebufferbits, FRAMEBUFFER_W*FRAMEBUFFER_H*4 );
|
|
|
|
NTSC_VideoInit( g_pFramebufferbits );
|
|
}
|