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Updates for DHGR MIX (#633): . Support new switch -rgb-card-invert-bit7 to invert bit7 for Dragon Wars. - Reverted DHGR MIX mode and AN2 off to invert bit7
861 lines
27 KiB
C++
861 lines
27 KiB
C++
// Sync'd with 1.25.0.4 source
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#include "StdAfx.h"
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#include "Frame.h"
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#include "Memory.h" // MemGetMainPtr() MemGetAuxPtr()
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#include "Video.h"
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#include "RGBMonitor.h"
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#include "YamlHelper.h"
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const int HIRES_COLUMN_SUBUNIT_SIZE = 16;
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const int HIRES_COLUMN_UNIT_SIZE = (HIRES_COLUMN_SUBUNIT_SIZE)*2;
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const int HIRES_NUMBER_COLUMNS = (1<<5); // 5 bits
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const int SRCOFFS_LORES = 0; // 0
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const int SRCOFFS_HIRES = (SRCOFFS_LORES + 16); // 16
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const int SRCOFFS_DHIRES = (SRCOFFS_HIRES + (HIRES_NUMBER_COLUMNS*HIRES_COLUMN_UNIT_SIZE)); // 1040
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const int SRCOFFS_TOTAL = (SRCOFFS_DHIRES + 2560); // 3600
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const int MAX_SOURCE_Y = 256;
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static LPBYTE g_aSourceStartofLine[ MAX_SOURCE_Y ];
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#define SETSOURCEPIXEL(x,y,c) g_aSourceStartofLine[(y)][(x)] = (c)
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// TC: Tried to remove HiresToPalIndex[] translation table, so get purple bars when hires data is: 0x80 0x80...
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// . V_CreateLookup_HiResHalfPixel_Authentic() uses both ColorMapping (CM_xxx) indices and Color_Palette_Index_e (HGR_xxx)!
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#define DO_OPT_PALETTE 0
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enum Color_Palette_Index_e
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{
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// hires (don't change order) - For tv emulation HGR Video Mode
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#if DO_OPT_PALETTE
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HGR_VIOLET // HCOLOR=2 VIOLET , 2800: 01 00 55 2A
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, HGR_BLUE // HCOLOR=6 BLUE , 3000: 81 00 D5 AA
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, HGR_GREEN // HCOLOR=1 GREEN , 2400: 02 00 2A 55
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, HGR_ORANGE // HCOLOR=5 ORANGE , 2C00: 82 00 AA D5
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, HGR_BLACK
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, HGR_WHITE
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#else
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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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#endif
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// TV emu
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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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// lores & dhires
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, BLACK
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, DEEP_RED
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, DARK_BLUE
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, MAGENTA
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, DARK_GREEN
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, DARK_GRAY
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, BLUE
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, LIGHT_BLUE
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, BROWN
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, ORANGE
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, LIGHT_GRAY
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, PINK
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, GREEN
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, YELLOW
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, AQUA
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, WHITE
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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
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, CM_White
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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, 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, WHITE
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};
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#define SETRGBCOLOR(r,g,b) {b,g,r,0}
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static RGBQUAD PalIndex2RGB[] =
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{
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// hires
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#if DO_OPT_PALETTE
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SETRGBCOLOR(/*MAGENTA, */ 0xC7,0x34,0xFF), // FD Linards Tweaked 0xFF,0x00,0xFF -> 0xC7,0x34,0xFF
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SETRGBCOLOR(/*BLUE, */ 0x0D,0xA1,0xFF), // FC Linards Tweaked 0x00,0x00,0xFF -> 0x0D,0xA1,0xFF
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SETRGBCOLOR(/*GREEN, */ 0x38,0xCB,0x00), // FA Linards Tweaked 0x00,0xFF,0x00 -> 0x38,0xCB,0x00
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SETRGBCOLOR(/*ORANGE, */ 0xF2,0x5E,0x00), // 0xFF,0x80,0x00 -> Linards Tweaked 0xF2,0x5E,0x00
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SETRGBCOLOR(/*HGR_BLACK, */ 0x00,0x00,0x00), // For TV emulation HGR Video Mode
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SETRGBCOLOR(/*HGR_WHITE, */ 0xFF,0xFF,0xFF),
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#else
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SETRGBCOLOR(/*HGR_BLACK, */ 0x00,0x00,0x00), // For TV emulation HGR Video Mode
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SETRGBCOLOR(/*HGR_WHITE, */ 0xFF,0xFF,0xFF),
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SETRGBCOLOR(/*BLUE, */ 0x0D,0xA1,0xFF), // FC Linards Tweaked 0x00,0x00,0xFF -> 0x0D,0xA1,0xFF
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SETRGBCOLOR(/*ORANGE, */ 0xF2,0x5E,0x00), // 0xFF,0x80,0x00 -> Linards Tweaked 0xF2,0x5E,0x00
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SETRGBCOLOR(/*GREEN, */ 0x38,0xCB,0x00), // FA Linards Tweaked 0x00,0xFF,0x00 -> 0x38,0xCB,0x00
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SETRGBCOLOR(/*MAGENTA, */ 0xC7,0x34,0xFF), // FD Linards Tweaked 0xFF,0x00,0xFF -> 0xC7,0x34,0xFF
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#endif
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// TV emu
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SETRGBCOLOR(/*HGR_GREY1, */ 0x80,0x80,0x80),
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SETRGBCOLOR(/*HGR_GREY2, */ 0x80,0x80,0x80),
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SETRGBCOLOR(/*HGR_YELLOW,*/ 0x9E,0x9E,0x00), // 0xD0,0xB0,0x10 -> 0x9E,0x9E,0x00
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SETRGBCOLOR(/*HGR_AQUA, */ 0x00,0xCD,0x4A), // 0x20,0xB0,0xB0 -> 0x00,0xCD,0x4A
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SETRGBCOLOR(/*HGR_PURPLE,*/ 0x61,0x61,0xFF), // 0x60,0x50,0xE0 -> 0x61,0x61,0xFF
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SETRGBCOLOR(/*HGR_PINK, */ 0xFF,0x32,0xB5), // 0xD0,0x40,0xA0 -> 0xFF,0x32,0xB5
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// lores & dhires
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SETRGBCOLOR(/*BLACK,*/ 0x00,0x00,0x00), // 0
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SETRGBCOLOR(/*DEEP_RED,*/ 0x9D,0x09,0x66), // 0xD0,0x00,0x30 -> Linards Tweaked 0x9D,0x09,0x66
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SETRGBCOLOR(/*DARK_BLUE,*/ 0x2A,0x2A,0xE5), // 4 // Linards Tweaked 0x00,0x00,0x80 -> 0x2A,0x2A,0xE5
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SETRGBCOLOR(/*MAGENTA,*/ 0xC7,0x34,0xFF), // FD Linards Tweaked 0xFF,0x00,0xFF -> 0xC7,0x34,0xFF
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SETRGBCOLOR(/*DARK_GREEN,*/ 0x00,0x80,0x00), // 2 // not used
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SETRGBCOLOR(/*DARK_GRAY,*/ 0x80,0x80,0x80), // F8
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SETRGBCOLOR(/*BLUE,*/ 0x0D,0xA1,0xFF), // FC Linards Tweaked 0x00,0x00,0xFF -> 0x0D,0xA1,0xFF
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SETRGBCOLOR(/*LIGHT_BLUE,*/ 0xAA,0xAA,0xFF), // 0x60,0xA0,0xFF -> Linards Tweaked 0xAA,0xAA,0xFF
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SETRGBCOLOR(/*BROWN,*/ 0x55,0x55,0x00), // 0x80,0x50,0x00 -> Linards Tweaked 0x55,0x55,0x00
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SETRGBCOLOR(/*ORANGE,*/ 0xF2,0x5E,0x00), // 0xFF,0x80,0x00 -> Linards Tweaked 0xF2,0x5E,0x00
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SETRGBCOLOR(/*LIGHT_GRAY,*/ 0xC0,0xC0,0xC0), // 7 // GR: COLOR=10
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SETRGBCOLOR(/*PINK,*/ 0xFF,0x89,0xE5), // 0xFF,0x90,0x80 -> Linards Tweaked 0xFF,0x89,0xE5
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SETRGBCOLOR(/*GREEN,*/ 0x38,0xCB,0x00), // FA Linards Tweaked 0x00,0xFF,0x00 -> 0x38,0xCB,0x00
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SETRGBCOLOR(/*YELLOW,*/ 0xD5,0xD5,0x1A), // FB Linards Tweaked 0xFF,0xFF,0x00 -> 0xD5,0xD5,0x1A
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SETRGBCOLOR(/*AQUA,*/ 0x62,0xF6,0x99), // 0x40,0xFF,0x90 -> Linards Tweaked 0x62,0xF6,0x99
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SETRGBCOLOR(/*WHITE,*/ 0xFF,0xFF,0xFF),
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};
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//===========================================================================
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static void V_CreateLookup_DoubleHires ()
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{
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#define OFFSET 3
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#define SIZE 10
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for (int column = 0; column < 256; column++) {
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int coloffs = SIZE * column;
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for (unsigned byteval = 0; byteval < 256; byteval++) {
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int color[SIZE];
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ZeroMemory(color,sizeof(color));
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unsigned pattern = MAKEWORD(byteval,column);
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int pixel;
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for (pixel = 1; pixel < 15; pixel++) {
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if (pattern & (1 << pixel)) {
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int pixelcolor = 1 << ((pixel-OFFSET) & 3);
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if ((pixel >= OFFSET+2) && (pixel < SIZE+OFFSET+2) && (pattern & (0x7 << (pixel-4))))
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color[pixel-(OFFSET+2)] |= pixelcolor;
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if ((pixel >= OFFSET+1) && (pixel < SIZE+OFFSET+1) && (pattern & (0xF << (pixel-4))))
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color[pixel-(OFFSET+1)] |= pixelcolor;
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if ((pixel >= OFFSET+0) && (pixel < SIZE+OFFSET+0))
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color[pixel-(OFFSET+0)] |= pixelcolor;
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if ((pixel >= OFFSET-1) && (pixel < SIZE+OFFSET-1) && (pattern & (0xF << (pixel+1))))
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color[pixel-(OFFSET-1)] |= pixelcolor;
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if ((pixel >= OFFSET-2) && (pixel < SIZE+OFFSET-2) && (pattern & (0x7 << (pixel+2))))
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color[pixel-(OFFSET-2)] |= pixelcolor;
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}
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}
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#if 0
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if (g_eVideoType == VT_COLOR_TEXT_OPTIMIZED)
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{
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// Activate for fringe reduction on white HGR text - drawback: loss of color mix patterns in HGR Video Mode.
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for (pixel = 0; pixel < 13; pixel++)
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{
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if ((pattern & (0xF << pixel)) == (unsigned)(0xF << pixel))
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for (int pos = pixel; pos < pixel + 4; pos++)
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if (pos >= OFFSET && pos < SIZE+OFFSET)
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color[pos-OFFSET] = 15;
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}
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}
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#endif
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int y = byteval;
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for (int x = 0; x < SIZE; x++) {
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SETSOURCEPIXEL(SRCOFFS_DHIRES+coloffs+x,y ,DoubleHiresPalIndex[ color[x] ]);
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}
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}
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}
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#undef SIZE
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#undef OFFSET
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}
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//===========================================================================
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void V_CreateLookup_Lores()
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{
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for (int color = 0; color < 16; color++)
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for (int x = 0; x < 16; x++)
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for (int y = 0; y < 16; y++)
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SETSOURCEPIXEL(SRCOFFS_LORES+x,(color << 4)+y,LoresResColors[color]);
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}
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//===========================================================================
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// Lookup Table:
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// y (0-255) * 32 columns of 32 bytes
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// . each column is: high-bit (prev byte) & 2 pixels from previous byte & 2 pixels from next byte
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// . each 32-byte unit is 2 * 16-byte sub-units: 16 bytes for even video byte & 16 bytes for odd video byte
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// . where 16 bytes represent the 7 Apple pixels, expanded to 14 pixels
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// currHighBit=0: {14 pixels + 2 pad} * 2
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// currHighBit=1: {1 pixel + 14 pixels + 1 pad} * 2
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// . and each byte is an index into the colour palette
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void V_CreateLookup_HiResHalfPixel_Authentic(VideoType_e videoType)
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{
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// high-bit & 2-bits from previous byte, 2-bits from next byte = 2^5 = 32 total permutations
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for (int iColumn = 0; iColumn < HIRES_NUMBER_COLUMNS; iColumn++)
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{
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const int offsetx = iColumn * HIRES_COLUMN_UNIT_SIZE; // every column is 32 bytes wide
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const int prevHighBit = (iColumn >= 16) ? 1 : 0;
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int aPixels[11]; // c2 c3 b6 b5 b4 b3 b2 b1 b0 c0 c1
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aPixels[ 0] = iColumn & 4; // previous byte, 2nd last pixel
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aPixels[ 1] = iColumn & 8; // previous byte, last pixel
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aPixels[ 9] = iColumn & 1; // next byte, first pixel
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aPixels[10] = iColumn & 2; // next byte, second pixel
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for (unsigned int iByte = 0; iByte < 256; iByte++)
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{
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// Convert raw pixel iByte value to binary and stuff into bit array of pixels on off
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for (int iPixel = 2, nBitMask = 1; iPixel < 9; iPixel++)
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{
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aPixels[iPixel] = ((iByte & nBitMask) != 0);
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nBitMask <<= 1;
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}
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const int currHighBit = (iByte >> 7) & 1;
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const int y = iByte;
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// Fixup missing pixels that normally have been scan-line shifted -- Apple "half-pixel" -- but crosses video byte boundaries.
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// NB. Setup first byte in each 16-byte sub-unit
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if( currHighBit )
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{
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if ( aPixels[1] ) // prev pixel on?
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{
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if (aPixels[2] || aPixels[0]) // White if pixel from previous byte and first pixel of this byte is on
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{
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SETSOURCEPIXEL(SRCOFFS_HIRES+offsetx+0 ,y , HGR_WHITE );
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SETSOURCEPIXEL(SRCOFFS_HIRES+offsetx+HIRES_COLUMN_SUBUNIT_SIZE,y , HGR_WHITE );
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}
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else
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{
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if ( !prevHighBit ) // GH#616
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{
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// colour the half-pixel black (was orange - not good for Nox Archaist, eg. 2000:00 40 E0; 2000:00 40 9E)
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SETSOURCEPIXEL(SRCOFFS_HIRES+offsetx+0 ,y , HGR_BLACK );
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}
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else
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{
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SETSOURCEPIXEL(SRCOFFS_HIRES+offsetx+0 ,y , HGR_ORANGE ); // left half of orange pixels
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}
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SETSOURCEPIXEL(SRCOFFS_HIRES+offsetx+HIRES_COLUMN_SUBUNIT_SIZE,y , HGR_BLUE ); // right half of blue pixels 4, 11, 18, ...
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}
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}
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else if ( aPixels[0] ) // prev prev pixel on
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{
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if ( aPixels[2] )
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{
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if ((videoType == VT_COLOR_MONITOR_RGB) || ( !aPixels[3] ))
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{
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SETSOURCEPIXEL(SRCOFFS_HIRES+offsetx+0 ,y , HGR_BLUE ); // 2000:D5 AA D5
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SETSOURCEPIXEL(SRCOFFS_HIRES+offsetx+HIRES_COLUMN_SUBUNIT_SIZE,y , HGR_ORANGE ); // 2000: AA D5
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}
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}
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}
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}
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//
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int x = currHighBit;
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for (int odd = 0; odd < 2; odd++) // even then odd sub-units
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{
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if (odd)
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x = HIRES_COLUMN_SUBUNIT_SIZE + currHighBit;
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for (int iPixel = 2; iPixel < 9; iPixel++)
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{
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int color = CM_Black;
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if (aPixels[iPixel]) // pixel on
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{
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color = CM_White;
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if (aPixels[iPixel-1] || aPixels[iPixel+1]) // adjacent pixels are always white
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color = CM_White;
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else
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color = ((odd ^ (iPixel&1)) << 1) | currHighBit; // map raw color to our hi-res colors
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}
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else if (aPixels[iPixel-1] && aPixels[iPixel+1]) // IF prev_pixel && next_pixel THEN
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{
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// Activate fringe reduction on white HGR text - drawback: loss of color mix patterns in HGR video mode.
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if (
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(videoType == VT_COLOR_MONITOR_RGB) // Fill in colors in between white pixels
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|| !(aPixels[iPixel-2] && aPixels[iPixel+2]) ) // VT_COLOR_TEXT_OPTIMIZED -> Don't fill in colors in between white
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{
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color = ((odd ^ !(iPixel&1)) << 1) | currHighBit; // No white HGR text optimization
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}
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}
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// Each HGR 7M pixel is a left 14M & right 14M DHGR pixel
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SETSOURCEPIXEL(SRCOFFS_HIRES+offsetx+x ,y ,HiresToPalIndex[color]); // Color for left 14M pixel
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SETSOURCEPIXEL(SRCOFFS_HIRES+offsetx+x+1,y ,HiresToPalIndex[color]); // Color for right 14M pixel
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x += 2;
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}
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} // even/odd sub-units
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} // iByte
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} // iColumn
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}
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//===========================================================================
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// For AppleWin 1.25 "tv emulation" HGR Video Mode
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const UINT FRAMEBUFFER_W = 560;
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const UINT FRAMEBUFFER_H = 384;
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const UINT HGR_MATRIX_YOFFSET = 2;
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static BYTE hgrpixelmatrix[FRAMEBUFFER_W][FRAMEBUFFER_H/2 + 2 * HGR_MATRIX_YOFFSET]; // 2 extra scan lines on top & bottom
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static BYTE colormixbuffer[6]; // 6 hires colours
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static WORD colormixmap[6][6][6]; // top x middle x bottom
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BYTE MixColors(BYTE c1, BYTE c2)
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{
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#define COMBINATION(c1,c2,ref1,ref2) (((c1)==(ref1)&&(c2)==(ref2)) || ((c1)==(ref2)&&(c2)==(ref1)))
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if (c1 == c2)
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return c1;
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if (COMBINATION(c1,c2,HGR_BLUE,HGR_ORANGE))
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return HGR_GREY1;
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else if (COMBINATION(c1,c2,HGR_GREEN,HGR_VIOLET))
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return HGR_GREY2;
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else if (COMBINATION(c1,c2,HGR_ORANGE,HGR_GREEN))
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return HGR_YELLOW;
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else if (COMBINATION(c1,c2,HGR_BLUE,HGR_GREEN))
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return HGR_AQUA;
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else if (COMBINATION(c1,c2,HGR_BLUE,HGR_VIOLET))
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return HGR_PURPLE;
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else if (COMBINATION(c1,c2,HGR_ORANGE,HGR_VIOLET))
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return HGR_PINK;
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else
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return WHITE; // visible failure indicator
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#undef COMBINATION
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}
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static void CreateColorMixMap(void)
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{
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const int FROM_NEIGHBOUR = 0x00;
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const int MIX_THRESHOLD = HGR_BLUE; // (skip) bottom 2 HGR colors
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for (int t=0; t<6; t++) // Color_Palette_Index_e::HGR_BLACK(0) ... Color_Palette_Index_e::HGR_VIOLET(5)
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{
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for (int m=0; m<6; m++)
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{
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for (int b=0; b<6; b++)
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{
|
|
BYTE cTop = t;
|
|
BYTE cMid = m;
|
|
BYTE cBot = b;
|
|
|
|
WORD mixTop, mixBot;
|
|
|
|
if (cMid < MIX_THRESHOLD)
|
|
{
|
|
mixTop = mixBot = cMid;
|
|
}
|
|
else
|
|
{
|
|
if (cTop < MIX_THRESHOLD)
|
|
mixTop = FROM_NEIGHBOUR;
|
|
else
|
|
mixTop = MixColors(cMid,cTop);
|
|
|
|
if (cBot < MIX_THRESHOLD)
|
|
mixBot = FROM_NEIGHBOUR;
|
|
else
|
|
mixBot = MixColors(cMid,cBot);
|
|
|
|
if (mixTop == FROM_NEIGHBOUR && mixBot != FROM_NEIGHBOUR)
|
|
mixTop = mixBot;
|
|
else if (mixBot == FROM_NEIGHBOUR && mixTop != FROM_NEIGHBOUR)
|
|
mixBot = mixTop;
|
|
else if (mixBot == FROM_NEIGHBOUR && mixTop == FROM_NEIGHBOUR)
|
|
mixBot = mixTop = cMid;
|
|
}
|
|
|
|
colormixmap[t][m][b] = (mixTop << 8) | mixBot;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void MixColorsVertical(int matx, int maty, bool isSWMIXED)
|
|
{
|
|
int bot1idx, bot2idx;
|
|
|
|
if (isSWMIXED && maty > 159)
|
|
{
|
|
if (maty < 161)
|
|
{
|
|
bot1idx = hgrpixelmatrix[matx][maty+1] & 0x0F;
|
|
bot2idx = 0;
|
|
}
|
|
else
|
|
{
|
|
bot1idx = bot2idx = 0;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
bot1idx = hgrpixelmatrix[matx][maty+1] & 0x0F;
|
|
bot2idx = hgrpixelmatrix[matx][maty+2] & 0x0F;
|
|
}
|
|
|
|
WORD twoHalfPixel = colormixmap[hgrpixelmatrix[matx][maty-2] & 0x0F]
|
|
[hgrpixelmatrix[matx][maty-1] & 0x0F]
|
|
[hgrpixelmatrix[matx][maty ] & 0x0F];
|
|
colormixbuffer[0] = (twoHalfPixel & 0xFF00) >> 8;
|
|
colormixbuffer[1] = (twoHalfPixel & 0x00FF);
|
|
|
|
twoHalfPixel = colormixmap[hgrpixelmatrix[matx][maty-1] & 0x0F]
|
|
[hgrpixelmatrix[matx][maty ] & 0x0F]
|
|
[bot1idx];
|
|
colormixbuffer[2] = (twoHalfPixel & 0xFF00) >> 8;
|
|
colormixbuffer[3] = (twoHalfPixel & 0x00FF);
|
|
|
|
twoHalfPixel = colormixmap[hgrpixelmatrix[matx][maty ] & 0x0F]
|
|
[bot1idx]
|
|
[bot2idx];
|
|
colormixbuffer[4] = (twoHalfPixel & 0xFF00) >> 8;
|
|
colormixbuffer[5] = (twoHalfPixel & 0x00FF);
|
|
}
|
|
|
|
static void CopyMixedSource(int x, int y, int sx, int sy, bgra_t *pVideoAddress)
|
|
{
|
|
const BYTE* const pSrc = g_aSourceStartofLine[ sy ] + sx;
|
|
|
|
const int matx = x*14;
|
|
const int maty = HGR_MATRIX_YOFFSET + y;
|
|
const bool isSWMIXED = VideoGetSWMIXED();
|
|
|
|
// transfer 14 pixels (i.e. the visible part of an apple hgr-byte) from row to pixelmatrix
|
|
for (int nBytes=13; nBytes>=0; nBytes--)
|
|
{
|
|
hgrpixelmatrix[matx+nBytes][maty] = *(pSrc+nBytes);
|
|
}
|
|
|
|
const bool bIsHalfScanLines = IsVideoStyle(VS_HALF_SCANLINES);
|
|
const UINT frameBufferWidth = GetFrameBufferWidth();
|
|
|
|
for (int nBytes=13; nBytes>=0; nBytes--)
|
|
{
|
|
// color mixing between adjacent scanlines at current x position
|
|
MixColorsVertical(matx+nBytes, maty, isSWMIXED); //Post: colormixbuffer[]
|
|
|
|
UINT32* pDst = (UINT32*) pVideoAddress;
|
|
|
|
for (int h=HGR_MATRIX_YOFFSET; h<=HGR_MATRIX_YOFFSET+1; h++)
|
|
{
|
|
if (bIsHalfScanLines && (h & 1))
|
|
{
|
|
// 50% Half Scan Line clears every odd scanline (and SHIFT+PrintScreen saves only the even rows)
|
|
*(pDst+nBytes) = 0;
|
|
}
|
|
else
|
|
{
|
|
_ASSERT( colormixbuffer[h] < (sizeof(PalIndex2RGB)/sizeof(PalIndex2RGB[0])) );
|
|
const RGBQUAD& rRGB = PalIndex2RGB[ colormixbuffer[h] ];
|
|
const UINT32 rgb = (((UINT32)rRGB.rgbRed)<<16) | (((UINT32)rRGB.rgbGreen)<<8) | ((UINT32)rRGB.rgbBlue);
|
|
*(pDst+nBytes) = rgb;
|
|
}
|
|
|
|
pDst -= frameBufferWidth;
|
|
}
|
|
}
|
|
}
|
|
|
|
//===========================================================================
|
|
|
|
// Pre: nSrcAdjustment: for 160-color images, src is +1 compared to dst
|
|
static void CopySource(int w, int h, int sx, int sy, bgra_t *pVideoAddress, const int nSrcAdjustment = 0)
|
|
{
|
|
UINT32* pDst = (UINT32*) pVideoAddress;
|
|
const BYTE* const pSrc = g_aSourceStartofLine[ sy ] + sx;
|
|
|
|
while (h--)
|
|
{
|
|
int nBytes = w;
|
|
while (nBytes)
|
|
{
|
|
--nBytes;
|
|
|
|
if (IsVideoStyle(VS_HALF_SCANLINES) && !(h & 1))
|
|
{
|
|
// 50% Half Scan Line clears every odd scanline (and SHIFT+PrintScreen saves only the even rows)
|
|
*(pDst+nBytes) = 0;
|
|
}
|
|
else
|
|
{
|
|
_ASSERT( *(pSrc+nBytes+nSrcAdjustment) < (sizeof(PalIndex2RGB)/sizeof(PalIndex2RGB[0])) );
|
|
const RGBQUAD& rRGB = PalIndex2RGB[ *(pSrc+nBytes+nSrcAdjustment) ];
|
|
const UINT32 rgb = (((UINT32)rRGB.rgbRed)<<16) | (((UINT32)rRGB.rgbGreen)<<8) | ((UINT32)rRGB.rgbBlue);
|
|
*(pDst+nBytes) = rgb;
|
|
}
|
|
}
|
|
|
|
pDst -= GetFrameBufferWidth();
|
|
}
|
|
}
|
|
|
|
//===========================================================================
|
|
|
|
#define HIRES_COLUMN_OFFSET (((byteval1 & 0xE0) << 2) | ((byteval3 & 0x03) << 5)) // (prevHighBit | last 2 pixels | next 2 pixesl) * HIRES_COLUMN_UNIT_SIZE
|
|
|
|
void UpdateHiResCell (int x, int y, uint16_t addr, bgra_t *pVideoAddress)
|
|
{
|
|
uint8_t *pMain = MemGetMainPtr(addr);
|
|
BYTE byteval1 = (x > 0) ? *(pMain-1) : 0;
|
|
BYTE byteval2 = *(pMain);
|
|
BYTE byteval3 = (x < 39) ? *(pMain+1) : 0;
|
|
|
|
if (IsVideoStyle(VS_COLOR_VERTICAL_BLEND))
|
|
{
|
|
CopyMixedSource(x, y, SRCOFFS_HIRES+HIRES_COLUMN_OFFSET+((x & 1)*HIRES_COLUMN_SUBUNIT_SIZE), (int)byteval2, pVideoAddress);
|
|
}
|
|
else
|
|
{
|
|
CopySource(14,2, SRCOFFS_HIRES+HIRES_COLUMN_OFFSET+((x & 1)*HIRES_COLUMN_SUBUNIT_SIZE), (int)byteval2, pVideoAddress);
|
|
}
|
|
}
|
|
|
|
//===========================================================================
|
|
|
|
#define COLOR ((xpixel + PIXEL) & 3)
|
|
#define VALUE (dwordval >> (4 + PIXEL - COLOR))
|
|
|
|
void UpdateDHiResCell (int x, int y, uint16_t addr, bgra_t *pVideoAddress, bool updateAux, bool updateMain)
|
|
{
|
|
const int xpixel = x*14;
|
|
|
|
uint8_t *pAux = MemGetAuxPtr(addr);
|
|
uint8_t *pMain = MemGetMainPtr(addr);
|
|
|
|
BYTE byteval1 = (x > 0) ? *(pMain-1) : 0;
|
|
BYTE byteval2 = *pAux;
|
|
BYTE byteval3 = *pMain;
|
|
BYTE byteval4 = (x < 39) ? *(pAux+1) : 0;
|
|
|
|
DWORD dwordval = (byteval1 & 0x70) | ((byteval2 & 0x7F) << 7) |
|
|
((byteval3 & 0x7F) << 14) | ((byteval4 & 0x07) << 21);
|
|
|
|
#define PIXEL 0
|
|
if (updateAux)
|
|
{
|
|
CopySource(7,2, SRCOFFS_DHIRES+10*HIBYTE(VALUE)+COLOR, LOBYTE(VALUE), pVideoAddress);
|
|
pVideoAddress += 7;
|
|
}
|
|
#undef PIXEL
|
|
|
|
#define PIXEL 7
|
|
if (updateMain)
|
|
{
|
|
CopySource(7,2, SRCOFFS_DHIRES+10*HIBYTE(VALUE)+COLOR, LOBYTE(VALUE), pVideoAddress);
|
|
}
|
|
#undef PIXEL
|
|
}
|
|
|
|
#if 1
|
|
// Squash the 640 pixel image into 560 pixels
|
|
int UpdateDHiRes160Cell (int x, int y, uint16_t addr, bgra_t *pVideoAddress)
|
|
{
|
|
const int xpixel = x*16;
|
|
|
|
uint8_t *pAux = MemGetAuxPtr(addr);
|
|
uint8_t *pMain = MemGetMainPtr(addr);
|
|
|
|
BYTE byteval1 = (x > 0) ? *(pMain-1) : 0;
|
|
BYTE byteval2 = *pAux;
|
|
BYTE byteval3 = *pMain;
|
|
BYTE byteval4 = (x < 39) ? *(pAux+1) : 0;
|
|
|
|
DWORD dwordval = (byteval1 & 0xF8) | ((byteval2 & 0xFF) << 8) |
|
|
((byteval3 & 0xFF) << 16) | ((byteval4 & 0x1F) << 24);
|
|
dwordval <<= 2;
|
|
|
|
#define PIXEL 0
|
|
CopySource(7,2, SRCOFFS_DHIRES+10*HIBYTE(VALUE)+COLOR, LOBYTE(VALUE), pVideoAddress, 1);
|
|
pVideoAddress += 7;
|
|
#undef PIXEL
|
|
|
|
#define PIXEL 8
|
|
CopySource(7,2, SRCOFFS_DHIRES+10*HIBYTE(VALUE)+COLOR, LOBYTE(VALUE), pVideoAddress, 1);
|
|
#undef PIXEL
|
|
|
|
return 7*2;
|
|
}
|
|
#else
|
|
// Left align the 640 pixel image, losing the right-hand 80 pixels
|
|
int UpdateDHiRes160Cell (int x, int y, uint16_t addr, bgra_t *pVideoAddress)
|
|
{
|
|
const int xpixel = x*16;
|
|
if (xpixel >= 560) // clip to our 560px display (losing 80 pixels)
|
|
return 0;
|
|
|
|
uint8_t *pAux = MemGetAuxPtr(addr);
|
|
uint8_t *pMain = MemGetMainPtr(addr);
|
|
|
|
BYTE byteval1 = (x > 0) ? *(pMain-1) : 0;
|
|
BYTE byteval2 = *pAux;
|
|
BYTE byteval3 = *pMain;
|
|
BYTE byteval4 = (x < 39) ? *(pAux+1) : 0;
|
|
|
|
DWORD dwordval = (byteval1 & 0xFC) | ((byteval2 & 0xFF) << 8) | // NB. Needs more bits than above squashed version, to avoid vertical black lines
|
|
((byteval3 & 0xFF) << 16) | ((byteval4 & 0x3F) << 24);
|
|
dwordval <<= 2;
|
|
|
|
#define PIXEL 0
|
|
CopySource(8,2, SRCOFFS_DHIRES+10*HIBYTE(VALUE)+COLOR, LOBYTE(VALUE), pVideoAddress);
|
|
pVideoAddress += 8;
|
|
#undef PIXEL
|
|
|
|
#define PIXEL 8
|
|
CopySource(8,2, SRCOFFS_DHIRES+10*HIBYTE(VALUE)+COLOR, LOBYTE(VALUE), pVideoAddress);
|
|
#undef PIXEL
|
|
|
|
return 8*2;
|
|
}
|
|
#endif
|
|
|
|
//===========================================================================
|
|
|
|
// Tested with Deater's Cycle-Counting Megademo
|
|
void UpdateLoResCell (int x, int y, uint16_t addr, bgra_t *pVideoAddress)
|
|
{
|
|
const BYTE val = *MemGetMainPtr(addr);
|
|
|
|
if ((y & 4) == 0)
|
|
{
|
|
CopySource(14,2, SRCOFFS_LORES+((x & 1) << 1), ((val & 0xF) << 4), pVideoAddress);
|
|
}
|
|
else
|
|
{
|
|
CopySource(14,2, SRCOFFS_LORES+((x & 1) << 1), (val & 0xF0), pVideoAddress);
|
|
}
|
|
}
|
|
|
|
//===========================================================================
|
|
|
|
#define ROL_NIB(x) ( (((x)<<1)&0xF) | (((x)>>3)&1) )
|
|
|
|
// Tested with FT's Ansi Story
|
|
void UpdateDLoResCell (int x, int y, uint16_t addr, bgra_t *pVideoAddress)
|
|
{
|
|
BYTE auxval = *MemGetAuxPtr(addr);
|
|
const BYTE mainval = *MemGetMainPtr(addr);
|
|
|
|
const BYTE auxval_h = auxval >> 4;
|
|
const BYTE auxval_l = auxval & 0xF;
|
|
auxval = (ROL_NIB(auxval_h)<<4) | ROL_NIB(auxval_l);
|
|
|
|
if ((y & 4) == 0)
|
|
{
|
|
CopySource(7,2, SRCOFFS_LORES+((x & 1) << 1), ((auxval & 0xF) << 4), pVideoAddress);
|
|
CopySource(7,2, SRCOFFS_LORES+((x & 1) << 1), ((mainval & 0xF) << 4), pVideoAddress+7);
|
|
}
|
|
else
|
|
{
|
|
CopySource(7,2, SRCOFFS_LORES+((x & 1) << 1), (auxval & 0xF0), pVideoAddress);
|
|
CopySource(7,2, SRCOFFS_LORES+((x & 1) << 1), (mainval & 0xF0), pVideoAddress+7);
|
|
}
|
|
}
|
|
|
|
//===========================================================================
|
|
|
|
static LPBYTE g_pSourcePixels = NULL;
|
|
|
|
static void V_CreateDIBSections(void)
|
|
{
|
|
g_pSourcePixels = new BYTE[SRCOFFS_TOTAL * MAX_SOURCE_Y];
|
|
|
|
// CREATE THE OFFSET TABLE FOR EACH SCAN LINE IN THE SOURCE IMAGE
|
|
for (int y = 0; y < MAX_SOURCE_Y; y++)
|
|
g_aSourceStartofLine[ y ] = g_pSourcePixels + SRCOFFS_TOTAL*((MAX_SOURCE_Y-1) - y);
|
|
|
|
// DRAW THE SOURCE IMAGE INTO THE SOURCE BIT BUFFER
|
|
ZeroMemory(g_pSourcePixels, SRCOFFS_TOTAL*MAX_SOURCE_Y);
|
|
|
|
V_CreateLookup_Lores();
|
|
V_CreateLookup_HiResHalfPixel_Authentic(VT_COLOR_MONITOR_RGB);
|
|
V_CreateLookup_DoubleHires();
|
|
|
|
CreateColorMixMap();
|
|
}
|
|
|
|
void VideoInitializeOriginal(baseColors_t pBaseNtscColors)
|
|
{
|
|
// CREATE THE SOURCE IMAGE AND DRAW INTO THE SOURCE BIT BUFFER
|
|
V_CreateDIBSections();
|
|
|
|
memcpy(&PalIndex2RGB[BLACK], *pBaseNtscColors, sizeof(RGBQUAD)*kNumBaseColors);
|
|
PalIndex2RGB[HGR_BLUE] = PalIndex2RGB[BLUE];
|
|
PalIndex2RGB[HGR_ORANGE] = PalIndex2RGB[ORANGE];
|
|
PalIndex2RGB[HGR_GREEN] = PalIndex2RGB[GREEN];
|
|
PalIndex2RGB[HGR_VIOLET] = PalIndex2RGB[MAGENTA];
|
|
}
|
|
|
|
//===========================================================================
|
|
|
|
static UINT g_rgbFlags = 0;
|
|
static UINT g_rgbMode = 0;
|
|
static WORD g_rgbPrevAN3Addr = 0;
|
|
static bool g_rgbSet80COL = false;
|
|
static bool g_rgbInvertBit7 = false;
|
|
|
|
// Video7 RGB card:
|
|
// . Clock in the !80COL state to define the 2 flags: F2, F1
|
|
// . Clocking done by toggling AN3
|
|
// . NB. There's a final 5th AN3 transition to set DHGR mode
|
|
void RGB_SetVideoMode(WORD address)
|
|
{
|
|
if ((address&~1) == 0x0C) // 0x0C or 0x0D? (80COL)
|
|
{
|
|
g_rgbSet80COL = true;
|
|
return;
|
|
}
|
|
|
|
if ((address&~1) != 0x5E) // 0x5E or 0x5F? (DHIRES)
|
|
return;
|
|
|
|
// Precondition before toggling AN3:
|
|
// . Video7 manual: set 80STORE, but "King's Quest 1"(*) will re-enable RGB card's MIX mode with only VF_TEXT & VF_HIRES set!
|
|
// . "Extended 80-Column Text/AppleColor Card" manual: TEXT off($C050), MIXED off($C052), HIRES on($C057)
|
|
// . (*) "King's Quest 1" - see routine at 0x5FD7 (trigger by pressing TAB twice)
|
|
// . Apple II desktop sets DHGR B&W mode with HIRES off! (GH#631)
|
|
// Maybe there is no video-mode precondition?
|
|
// . After setting 80COL on/off then need a 0x5E->0x5F toggle. So if we see a 0x5F then reset (GH#633)
|
|
if ((g_uVideoMode & VF_MIXED) || (g_rgbSet80COL && address == 0x5F))
|
|
{
|
|
g_rgbMode = 0;
|
|
g_rgbPrevAN3Addr = 0;
|
|
g_rgbSet80COL = false;
|
|
return;
|
|
}
|
|
|
|
if (address == 0x5F && g_rgbPrevAN3Addr == 0x5E) // Check for AN3 clock transition
|
|
{
|
|
g_rgbFlags = (g_rgbFlags<<1) & 3;
|
|
g_rgbFlags |= ((g_uVideoMode & VF_80COL) ? 0 : 1); // clock in !80COL
|
|
g_rgbMode = g_rgbFlags; // latch F2,F1
|
|
}
|
|
|
|
g_rgbPrevAN3Addr = address;
|
|
g_rgbSet80COL = false;
|
|
}
|
|
|
|
bool RGB_Is140Mode(void) // Extended 80-Column Text/AppleColor Card's Mode 2
|
|
{
|
|
return g_rgbMode == 0;
|
|
}
|
|
|
|
bool RGB_Is160Mode(void) // Extended 80-Column Text/AppleColor Card: N/A
|
|
{
|
|
return g_rgbMode == 1;
|
|
}
|
|
|
|
bool RGB_IsMixMode(void) // Extended 80-Column Text/AppleColor Card's Mode 3
|
|
{
|
|
return g_rgbMode == 2;
|
|
}
|
|
|
|
bool RGB_Is560Mode(void) // Extended 80-Column Text/AppleColor Card's Mode 1
|
|
{
|
|
return g_rgbMode == 3;
|
|
}
|
|
|
|
bool RGB_IsMixModeInvertBit7(void)
|
|
{
|
|
return RGB_IsMixMode() && g_rgbInvertBit7;
|
|
}
|
|
|
|
void RGB_ResetState(void)
|
|
{
|
|
g_rgbFlags = 0;
|
|
g_rgbMode = 0;
|
|
g_rgbPrevAN3Addr = 0;
|
|
}
|
|
|
|
void RGB_SetInvertBit7(bool state)
|
|
{
|
|
g_rgbInvertBit7 = state;
|
|
}
|
|
|
|
//===========================================================================
|
|
|
|
#define SS_YAML_KEY_RGB_CARD "AppleColor RGB Adaptor"
|
|
// NB. No version - this is determined by the parent card
|
|
|
|
#define SS_YAML_KEY_RGB_FLAGS "RGB mode flags"
|
|
#define SS_YAML_KEY_RGB_MODE "RGB mode"
|
|
#define SS_YAML_KEY_RGB_PREVIOUS_AN3 "Previous AN3"
|
|
#define SS_YAML_KEY_RGB_80COL_CHANGED "80COL changed"
|
|
#define SS_YAML_KEY_RGB_INVERT_BIT7 "Invert bit7"
|
|
|
|
void RGB_SaveSnapshot(YamlSaveHelper& yamlSaveHelper)
|
|
{
|
|
YamlSaveHelper::Label label(yamlSaveHelper, "%s:\n", SS_YAML_KEY_RGB_CARD);
|
|
|
|
yamlSaveHelper.SaveHexUint8(SS_YAML_KEY_RGB_FLAGS, g_rgbFlags);
|
|
yamlSaveHelper.SaveHexUint8(SS_YAML_KEY_RGB_MODE, g_rgbMode);
|
|
yamlSaveHelper.SaveHexUint8(SS_YAML_KEY_RGB_PREVIOUS_AN3, g_rgbPrevAN3Addr);
|
|
yamlSaveHelper.SaveBool(SS_YAML_KEY_RGB_80COL_CHANGED, g_rgbSet80COL);
|
|
yamlSaveHelper.SaveBool(SS_YAML_KEY_RGB_INVERT_BIT7, g_rgbInvertBit7);
|
|
}
|
|
|
|
void RGB_LoadSnapshot(YamlLoadHelper& yamlLoadHelper, UINT cardVersion)
|
|
{
|
|
if (!yamlLoadHelper.GetSubMap(SS_YAML_KEY_RGB_CARD))
|
|
throw std::string("Card: Expected key: ") + std::string(SS_YAML_KEY_RGB_CARD);
|
|
|
|
g_rgbFlags = yamlLoadHelper.LoadUint(SS_YAML_KEY_RGB_FLAGS);
|
|
g_rgbMode = yamlLoadHelper.LoadUint(SS_YAML_KEY_RGB_MODE);
|
|
g_rgbPrevAN3Addr = yamlLoadHelper.LoadUint(SS_YAML_KEY_RGB_PREVIOUS_AN3);
|
|
|
|
if (cardVersion >= 3)
|
|
{
|
|
g_rgbSet80COL = yamlLoadHelper.LoadBool(SS_YAML_KEY_RGB_80COL_CHANGED);
|
|
g_rgbInvertBit7 = yamlLoadHelper.LoadBool(SS_YAML_KEY_RGB_INVERT_BIT7);
|
|
}
|
|
|
|
yamlLoadHelper.PopMap();
|
|
}
|