// Sync'd with 1.25.0.4 source #include "StdAfx.h" #include "RGBMonitor.h" #include "Memory.h" // MemGetMainPtr() MemGetAuxPtr() #include "Interface.h" #include "YamlHelper.h" // RGB videocards types static RGB_Videocard_e g_RGBVideocard = RGB_Videocard_e::Apple; static int g_nTextFBMode = 0; // F/B Text static int g_nRegularTextFG = 15; // Default TEXT color static int g_nRegularTextBG = 0; // Default TEXT background color const int HIRES_COLUMN_SUBUNIT_SIZE = 16; const int HIRES_COLUMN_UNIT_SIZE = (HIRES_COLUMN_SUBUNIT_SIZE)*2; const int HIRES_NUMBER_COLUMNS = (1<<5); // 5 bits const int SRCOFFS_LORES = 0; // 0 const int SRCOFFS_HIRES = (SRCOFFS_LORES + 16); // 16 const int SRCOFFS_DHIRES = (SRCOFFS_HIRES + (HIRES_NUMBER_COLUMNS*HIRES_COLUMN_UNIT_SIZE)); // 1040 const int SRCOFFS_TOTAL = (SRCOFFS_DHIRES + 2560); // 3600 const int MAX_SOURCE_Y = 256; static LPBYTE g_aSourceStartofLine[ MAX_SOURCE_Y ]; #define SETSOURCEPIXEL(x,y,c) g_aSourceStartofLine[(y)][(x)] = (c) // TC: Tried to remove HiresToPalIndex[] translation table, so get purple bars when hires data is: 0x80 0x80... // . V_CreateLookup_HiResHalfPixel_Authentic() uses both ColorMapping (CM_xxx) indices and Color_Palette_Index_e (HGR_xxx)! #define DO_OPT_PALETTE 0 enum Color_Palette_Index_e { // hires (don't change order) - For tv emulation HGR Video Mode #if DO_OPT_PALETTE HGR_VIOLET // HCOLOR=2 VIOLET , 2800: 01 00 55 2A , HGR_BLUE // HCOLOR=6 BLUE , 3000: 81 00 D5 AA , HGR_GREEN // HCOLOR=1 GREEN , 2400: 02 00 2A 55 , HGR_ORANGE // HCOLOR=5 ORANGE , 2C00: 82 00 AA D5 , HGR_BLACK , HGR_WHITE #else HGR_BLACK , HGR_WHITE , HGR_BLUE // HCOLOR=6 BLUE , 3000: 81 00 D5 AA , HGR_ORANGE // HCOLOR=5 ORANGE , 2C00: 82 00 AA D5 , HGR_GREEN // HCOLOR=1 GREEN , 2400: 02 00 2A 55 , HGR_VIOLET // HCOLOR=2 VIOLET , 2800: 01 00 55 2A #endif // TV emu , HGR_GREY1 , HGR_GREY2 , HGR_YELLOW , HGR_AQUA , HGR_PURPLE , HGR_PINK // lores & dhires , BLACK , DEEP_RED , DARK_BLUE , MAGENTA , DARK_GREEN , DARK_GRAY , BLUE , LIGHT_BLUE , BROWN , ORANGE , LIGHT_GRAY , PINK , GREEN , YELLOW , AQUA , WHITE }; // __ Map HGR color index to Palette index enum ColorMapping { CM_Violet , CM_Blue , CM_Green , CM_Orange , CM_Black , CM_White , NUM_COLOR_MAPPING }; const BYTE HiresToPalIndex[ NUM_COLOR_MAPPING ] = { HGR_VIOLET , HGR_BLUE , HGR_GREEN , HGR_ORANGE , HGR_BLACK , HGR_WHITE }; const BYTE LoresResColors[16] = { BLACK, DEEP_RED, DARK_BLUE, MAGENTA, DARK_GREEN,DARK_GRAY,BLUE, LIGHT_BLUE, BROWN, ORANGE, LIGHT_GRAY,PINK, GREEN, YELLOW, AQUA, WHITE }; const BYTE DoubleHiresPalIndex[16] = { BLACK, DARK_BLUE, DARK_GREEN,BLUE, BROWN, LIGHT_GRAY,GREEN, AQUA, DEEP_RED,MAGENTA, DARK_GRAY, LIGHT_BLUE, ORANGE, PINK, YELLOW, WHITE }; static RGBQUAD* g_pPaletteRGB; static RGBQUAD PaletteRGB_NTSC[] = { // hires #if DO_OPT_PALETTE SETRGBCOLOR(/*MAGENTA, */ 0xC7,0x34,0xFF), // FD Linards Tweaked 0xFF,0x00,0xFF -> 0xC7,0x34,0xFF SETRGBCOLOR(/*BLUE, */ 0x0D,0xA1,0xFF), // FC Linards Tweaked 0x00,0x00,0xFF -> 0x0D,0xA1,0xFF SETRGBCOLOR(/*GREEN, */ 0x38,0xCB,0x00), // FA Linards Tweaked 0x00,0xFF,0x00 -> 0x38,0xCB,0x00 SETRGBCOLOR(/*ORANGE, */ 0xF2,0x5E,0x00), // 0xFF,0x80,0x00 -> Linards Tweaked 0xF2,0x5E,0x00 SETRGBCOLOR(/*HGR_BLACK, */ 0x00,0x00,0x00), // For TV emulation HGR Video Mode SETRGBCOLOR(/*HGR_WHITE, */ 0xFF,0xFF,0xFF), #else // Note: this is a placeholder. This palette is overwritten by VideoInitializeOriginal() SETRGBCOLOR(/*HGR_BLACK, */ 0x00,0x00,0x00), // For TV emulation HGR Video Mode SETRGBCOLOR(/*HGR_WHITE, */ 0xFF,0xFF,0xFF), SETRGBCOLOR(/*BLUE, */ 0x0D,0xA1,0xFF), // FC Linards Tweaked 0x00,0x00,0xFF -> 0x0D,0xA1,0xFF SETRGBCOLOR(/*ORANGE, */ 0xF2,0x5E,0x00), // 0xFF,0x80,0x00 -> Linards Tweaked 0xF2,0x5E,0x00 SETRGBCOLOR(/*GREEN, */ 0x38,0xCB,0x00), // FA Linards Tweaked 0x00,0xFF,0x00 -> 0x38,0xCB,0x00 SETRGBCOLOR(/*MAGENTA, */ 0xC7,0x34,0xFF), // FD Linards Tweaked 0xFF,0x00,0xFF -> 0xC7,0x34,0xFF #endif // TV emu SETRGBCOLOR(/*HGR_GREY1, */ 0x80,0x80,0x80), SETRGBCOLOR(/*HGR_GREY2, */ 0x80,0x80,0x80), SETRGBCOLOR(/*HGR_YELLOW,*/ 0x9E,0x9E,0x00), // 0xD0,0xB0,0x10 -> 0x9E,0x9E,0x00 SETRGBCOLOR(/*HGR_AQUA, */ 0x00,0xCD,0x4A), // 0x20,0xB0,0xB0 -> 0x00,0xCD,0x4A SETRGBCOLOR(/*HGR_PURPLE,*/ 0x61,0x61,0xFF), // 0x60,0x50,0xE0 -> 0x61,0x61,0xFF SETRGBCOLOR(/*HGR_PINK, */ 0xFF,0x32,0xB5), // 0xD0,0x40,0xA0 -> 0xFF,0x32,0xB5 // lores & dhires // Note: this is a placeholder. This palette is overwritten by VideoInitializeOriginal() SETRGBCOLOR(/*BLACK,*/ 0x00,0x00,0x00), // 0 SETRGBCOLOR(/*DEEP_RED,*/ 0x9D,0x09,0x66), // 0xD0,0x00,0x30 -> Linards Tweaked 0x9D,0x09,0x66 SETRGBCOLOR(/*DARK_BLUE,*/ 0x2A,0x2A,0xE5), // 4 // Linards Tweaked 0x00,0x00,0x80 -> 0x2A,0x2A,0xE5 SETRGBCOLOR(/*MAGENTA,*/ 0xC7,0x34,0xFF), // FD Linards Tweaked 0xFF,0x00,0xFF -> 0xC7,0x34,0xFF SETRGBCOLOR(/*DARK_GREEN,*/ 0x00,0x80,0x00), // 2 // not used SETRGBCOLOR(/*DARK_GRAY,*/ 0x80,0x80,0x80), // F8 SETRGBCOLOR(/*BLUE,*/ 0x0D,0xA1,0xFF), // FC Linards Tweaked 0x00,0x00,0xFF -> 0x0D,0xA1,0xFF SETRGBCOLOR(/*LIGHT_BLUE,*/ 0xAA,0xAA,0xFF), // 0x60,0xA0,0xFF -> Linards Tweaked 0xAA,0xAA,0xFF SETRGBCOLOR(/*BROWN,*/ 0x55,0x55,0x00), // 0x80,0x50,0x00 -> Linards Tweaked 0x55,0x55,0x00 SETRGBCOLOR(/*ORANGE,*/ 0xF2,0x5E,0x00), // 0xFF,0x80,0x00 -> Linards Tweaked 0xF2,0x5E,0x00 SETRGBCOLOR(/*LIGHT_GRAY,*/ 0xC0,0xC0,0xC0), // 7 // GR: COLOR=10 SETRGBCOLOR(/*PINK,*/ 0xFF,0x89,0xE5), // 0xFF,0x90,0x80 -> Linards Tweaked 0xFF,0x89,0xE5 SETRGBCOLOR(/*GREEN,*/ 0x38,0xCB,0x00), // FA Linards Tweaked 0x00,0xFF,0x00 -> 0x38,0xCB,0x00 SETRGBCOLOR(/*YELLOW,*/ 0xD5,0xD5,0x1A), // FB Linards Tweaked 0xFF,0xFF,0x00 -> 0xD5,0xD5,0x1A SETRGBCOLOR(/*AQUA,*/ 0x62,0xF6,0x99), // 0x40,0xFF,0x90 -> Linards Tweaked 0x62,0xF6,0x99 SETRGBCOLOR(/*WHITE,*/ 0xFF,0xFF,0xFF), }; // Le Chat Mauve Feline's palette // extracted from a white-balanced RGB video capture static RGBQUAD PaletteRGB_Feline[] = { SETRGBCOLOR(/*HGR_BLACK, */ 0x00,0x00,0x00), SETRGBCOLOR(/*HGR_WHITE, */ 0xFF,0xFF,0xFF), SETRGBCOLOR(/*BLUE, */ 0x00,0x8A,0xB5), SETRGBCOLOR(/*ORANGE, */ 0xFF,0x72,0x47), SETRGBCOLOR(/*GREEN, */ 0x6F,0xE6,0x2C), SETRGBCOLOR(/*MAGENTA, */ 0xAA,0x1A,0xD1), // TV emu SETRGBCOLOR(/*HGR_GREY1, */ 0x80,0x80,0x80), SETRGBCOLOR(/*HGR_GREY2, */ 0x80,0x80,0x80), SETRGBCOLOR(/*HGR_YELLOW,*/ 0x9E,0x9E,0x00), SETRGBCOLOR(/*HGR_AQUA, */ 0x00,0xCD,0x4A), SETRGBCOLOR(/*HGR_PURPLE,*/ 0x61,0x61,0xFF), SETRGBCOLOR(/*HGR_PINK, */ 0xFF,0x32,0xB5), // Feline SETRGBCOLOR(/*BLACK,*/ 0x00,0x00,0x00), SETRGBCOLOR(/*DEEP_RED,*/ 0xAC,0x12,0x4C), SETRGBCOLOR(/*DARK_BLUE,*/ 0x00,0x07,0x83), SETRGBCOLOR(/*MAGENTA,*/ 0xAA,0x1A,0xD1), SETRGBCOLOR(/*DARK_GREEN,*/ 0x00,0x83,0x2F), SETRGBCOLOR(/*DARK_GRAY,*/ 0x9F,0x97,0x7E), SETRGBCOLOR(/*BLUE,*/ 0x00,0x8A,0xB5), SETRGBCOLOR(/*LIGHT_BLUE,*/ 0x9F,0x9E,0xFF), SETRGBCOLOR(/*BROWN,*/ 0x7A,0x5F,0x00), SETRGBCOLOR(/*ORANGE,*/ 0xFF,0x72,0x47), SETRGBCOLOR(/*LIGHT_GRAY,*/ 0x78,0x68,0x7F), SETRGBCOLOR(/*PINK,*/ 0xFF,0x7A,0xCF), SETRGBCOLOR(/*GREEN,*/ 0x6F,0xE6,0x2C), SETRGBCOLOR(/*YELLOW,*/ 0xFF,0xF6,0x7B), SETRGBCOLOR(/*AQUA,*/ 0x6C,0xEE,0xB2), SETRGBCOLOR(/*WHITE,*/ 0xFF,0xFF,0xFF), }; //=========================================================================== static void V_CreateLookup_DoubleHires () { #define OFFSET 3 #define SIZE 10 for (int column = 0; column < 256; column++) { int coloffs = SIZE * column; for (unsigned byteval = 0; byteval < 256; byteval++) { int color[SIZE]; memset(color, 0, sizeof(color)); unsigned pattern = MAKEWORD(byteval,column); int pixel; for (pixel = 1; pixel < 15; pixel++) { if (pattern & (1 << pixel)) { int pixelcolor = 1 << ((pixel-OFFSET) & 3); if ((pixel >= OFFSET+2) && (pixel < SIZE+OFFSET+2) && (pattern & (0x7 << (pixel-4)))) color[pixel-(OFFSET+2)] |= pixelcolor; if ((pixel >= OFFSET+1) && (pixel < SIZE+OFFSET+1) && (pattern & (0xF << (pixel-4)))) color[pixel-(OFFSET+1)] |= pixelcolor; if ((pixel >= OFFSET+0) && (pixel < SIZE+OFFSET+0)) color[pixel-(OFFSET+0)] |= pixelcolor; if ((pixel >= OFFSET-1) && (pixel < SIZE+OFFSET-1) && (pattern & (0xF << (pixel+1)))) color[pixel-(OFFSET-1)] |= pixelcolor; if ((pixel >= OFFSET-2) && (pixel < SIZE+OFFSET-2) && (pattern & (0x7 << (pixel+2)))) color[pixel-(OFFSET-2)] |= pixelcolor; } } #if 0 if (g_eVideoType == VT_COLOR_TEXT_OPTIMIZED) { // Activate for fringe reduction on white HGR text - drawback: loss of color mix patterns in HGR Video Mode. for (pixel = 0; pixel < 13; pixel++) { if ((pattern & (0xF << pixel)) == (unsigned)(0xF << pixel)) for (int pos = pixel; pos < pixel + 4; pos++) if (pos >= OFFSET && pos < SIZE+OFFSET) color[pos-OFFSET] = 15; } } #endif int y = byteval; for (int x = 0; x < SIZE; x++) { SETSOURCEPIXEL(SRCOFFS_DHIRES+coloffs+x,y ,DoubleHiresPalIndex[ color[x] ]); } } } #undef SIZE #undef OFFSET } //=========================================================================== void V_CreateLookup_Lores() { for (int color = 0; color < 16; color++) for (int x = 0; x < 16; x++) for (int y = 0; y < 16; y++) SETSOURCEPIXEL(SRCOFFS_LORES+x,(color << 4)+y,LoresResColors[color]); } //=========================================================================== // Lookup Table: // y (0-255) * 32 columns of 32 bytes // . each column is: high-bit (prev byte) & 2 pixels from previous byte & 2 pixels from next byte // . each 32-byte unit is 2 * 16-byte sub-units: 16 bytes for even video byte & 16 bytes for odd video byte // . where 16 bytes represent the 7 Apple pixels, expanded to 14 pixels // currHighBit=0: {14 pixels + 2 pad} * 2 // currHighBit=1: {1 pixel + 14 pixels + 1 pad} * 2 // . and each byte is an index into the colour palette void V_CreateLookup_HiResHalfPixel_Authentic(VideoType_e videoType) { // high-bit & 2-bits from previous byte, 2-bits from next byte = 2^5 = 32 total permutations for (int iColumn = 0; iColumn < HIRES_NUMBER_COLUMNS; iColumn++) { const int offsetx = iColumn * HIRES_COLUMN_UNIT_SIZE; // every column is 32 bytes wide const int prevHighBit = (iColumn >= 16) ? 1 : 0; int aPixels[11]; // c2 c3 b6 b5 b4 b3 b2 b1 b0 c0 c1 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 for (unsigned int iByte = 0; iByte < 256; iByte++) { // Convert raw pixel iByte value to binary and stuff into bit array of pixels on off for (int iPixel = 2, nBitMask = 1; iPixel < 9; iPixel++) { aPixels[iPixel] = ((iByte & nBitMask) != 0); nBitMask <<= 1; } const int currHighBit = (iByte >> 7) & 1; const int y = iByte; // Fixup missing pixels that normally have been scan-line shifted -- Apple "half-pixel" -- but crosses video byte boundaries. // NB. Setup first byte in each 16-byte sub-unit if( currHighBit ) { if ( aPixels[1] ) // prev pixel on? { if (aPixels[2] || aPixels[0]) // White if pixel from previous byte and first pixel of this byte is on { SETSOURCEPIXEL(SRCOFFS_HIRES+offsetx+0 ,y , HGR_WHITE ); SETSOURCEPIXEL(SRCOFFS_HIRES+offsetx+HIRES_COLUMN_SUBUNIT_SIZE,y , HGR_WHITE ); } else { if ( !prevHighBit ) // GH#616 { // colour the half-pixel black (was orange - not good for Nox Archaist, eg. 2000:00 40 E0; 2000:00 40 9E) SETSOURCEPIXEL(SRCOFFS_HIRES+offsetx+0 ,y , HGR_BLACK ); } else { SETSOURCEPIXEL(SRCOFFS_HIRES+offsetx+0 ,y , HGR_ORANGE ); // left half of orange pixels } SETSOURCEPIXEL(SRCOFFS_HIRES+offsetx+HIRES_COLUMN_SUBUNIT_SIZE,y , HGR_BLUE ); // right half of blue pixels 4, 11, 18, ... } } else if ( aPixels[0] ) // prev prev pixel on { if ( aPixels[2] ) { if ((videoType == VT_COLOR_IDEALIZED) || ( !aPixels[3] )) { SETSOURCEPIXEL(SRCOFFS_HIRES+offsetx+0 ,y , HGR_BLUE ); // 2000:D5 AA D5 SETSOURCEPIXEL(SRCOFFS_HIRES+offsetx+HIRES_COLUMN_SUBUNIT_SIZE,y , HGR_ORANGE ); // 2000: AA D5 } } } } // int x = currHighBit; for (int odd = 0; odd < 2; odd++) // even then odd sub-units { if (odd) x = HIRES_COLUMN_SUBUNIT_SIZE + currHighBit; for (int iPixel = 2; iPixel < 9; iPixel++) { int color = CM_Black; if (aPixels[iPixel]) // pixel on { color = CM_White; if (aPixels[iPixel-1] || aPixels[iPixel+1]) // adjacent pixels are always white color = CM_White; else color = ((odd ^ (iPixel&1)) << 1) | currHighBit; // map raw color to our hi-res colors } else if (aPixels[iPixel-1] && aPixels[iPixel+1]) // IF prev_pixel && next_pixel THEN { // Activate fringe reduction on white HGR text - drawback: loss of color mix patterns in HGR video mode. if ( (videoType == VT_COLOR_IDEALIZED) // Fill in colors in between white pixels || !(aPixels[iPixel-2] && aPixels[iPixel+2]) ) // VT_COLOR_TEXT_OPTIMIZED -> Don't fill in colors in between white { color = ((odd ^ !(iPixel&1)) << 1) | currHighBit; // No white HGR text optimization } } // Each HGR 7M pixel is a left 14M & right 14M DHGR pixel SETSOURCEPIXEL(SRCOFFS_HIRES+offsetx+x ,y ,HiresToPalIndex[color]); // Color for left 14M pixel SETSOURCEPIXEL(SRCOFFS_HIRES+offsetx+x+1,y ,HiresToPalIndex[color]); // Color for right 14M pixel x += 2; } } // even/odd sub-units } // iByte } // iColumn } //=========================================================================== // For AppleWin 1.25 "tv emulation" HGR Video Mode const UINT FRAMEBUFFER_W = 560; const UINT FRAMEBUFFER_H = 384; const UINT HGR_MATRIX_YOFFSET = 2; static BYTE hgrpixelmatrix[FRAMEBUFFER_W][FRAMEBUFFER_H/2 + 2 * HGR_MATRIX_YOFFSET]; // 2 extra scan lines on top & bottom static BYTE colormixbuffer[6]; // 6 hires colours static WORD colormixmap[6][6][6]; // top x middle x bottom BYTE MixColors(BYTE c1, BYTE c2) { #define COMBINATION(c1,c2,ref1,ref2) (((c1)==(ref1)&&(c2)==(ref2)) || ((c1)==(ref2)&&(c2)==(ref1))) if (c1 == c2) return c1; if (COMBINATION(c1,c2,HGR_BLUE,HGR_ORANGE)) return HGR_GREY1; else if (COMBINATION(c1,c2,HGR_GREEN,HGR_VIOLET)) return HGR_GREY2; else if (COMBINATION(c1,c2,HGR_ORANGE,HGR_GREEN)) return HGR_YELLOW; else if (COMBINATION(c1,c2,HGR_BLUE,HGR_GREEN)) return HGR_AQUA; else if (COMBINATION(c1,c2,HGR_BLUE,HGR_VIOLET)) return HGR_PURPLE; else if (COMBINATION(c1,c2,HGR_ORANGE,HGR_VIOLET)) return HGR_PINK; else return WHITE; // visible failure indicator #undef COMBINATION } static void CreateColorMixMap(void) { const int FROM_NEIGHBOUR = 0x00; const int MIX_THRESHOLD = HGR_BLUE; // (skip) bottom 2 HGR colors for (int t=0; t<6; t++) // Color_Palette_Index_e::HGR_BLACK(0) ... Color_Palette_Index_e::HGR_VIOLET(5) { for (int m=0; m<6; m++) { for (int b=0; b<6; b++) { 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 = GetVideo().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 = GetVideo().IsVideoStyle(VS_HALF_SCANLINES); const UINT frameBufferWidth = GetVideo().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) = OPAQUE_BLACK; } else { _ASSERT( colormixbuffer[h] < (sizeof(PaletteRGB_NTSC)/sizeof(PaletteRGB_NTSC[0])) ); const RGBQUAD& rRGB = g_pPaletteRGB[ colormixbuffer[h] ]; *(pDst+nBytes) = *reinterpret_cast(&rRGB); } 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; const bool bIsHalfScanLines = GetVideo().IsVideoStyle(VS_HALF_SCANLINES); const UINT frameBufferWidth = GetVideo().GetFrameBufferWidth(); while (h--) { if (bIsHalfScanLines && !(h & 1)) { // 50% Half Scan Line clears every odd scanline (and SHIFT+PrintScreen saves only the even rows) std::fill(pDst, pDst + w, OPAQUE_BLACK); } else { for (int nBytes=0; nBytes(&rRGB); } } pDst -= frameBufferWidth; } } //=========================================================================== #define HIRES_COLUMN_OFFSET (((byteval1 & 0xE0) << 2) | ((byteval3 & 0x03) << 5)) // (prevHighBit | last 2 pixels | next 2 pixels) * 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 (GetVideo().GetVideoMode() & VF_DHIRES) // ie. VF_DHIRES=1, VF_HIRES=1, VF_80COL=0 - NTSC.cpp refers to this as "DoubleHires40" { byteval1 &= 0x7f; byteval2 &= 0x7f; byteval3 &= 0x7f; } if (GetVideo().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 } //=========================================================================== // RGB videocards HGR void UpdateHiResRGBCell(int x, int y, uint16_t addr, bgra_t* pVideoAddress) { const int xpixel = x * 14; int xoffset = x & 1; // offset to start of the 2 bytes addr -= xoffset; uint8_t* pMain = MemGetMainPtr(addr); // We need all 28 bits because each pixel needs a three bit evaluation uint8_t byteval1 = (x < 2 ? 0 : *(pMain - 1)); uint8_t byteval2 = *pMain; uint8_t byteval3 = *(pMain + 1); uint8_t byteval4 = (x >= 38 ? 0 : *(pMain + 2)); // all 28 bits chained DWORD dwordval = (byteval1 & 0x7F) | ((byteval2 & 0x7F) << 7) | ((byteval3 & 0x7F) << 14) | ((byteval4 & 0x7F) << 21); // Extraction of 14 color pixels UINT32 colors[14]; int color = 0; DWORD dwordval_tmp = dwordval; dwordval_tmp = dwordval_tmp >> 7; bool offset = (byteval2 & 0x80) ? true : false; for (int i = 0; i < 14; i++) { if (i == 7) offset = (byteval3 & 0x80) ? true : false; color = dwordval_tmp & 0x3; // Two cases because AppleWin's palette is in a strange order if (offset) colors[i] = *reinterpret_cast(&g_pPaletteRGB[1 + color]); else colors[i] = *reinterpret_cast(&g_pPaletteRGB[6 - color]); if (i%2) dwordval_tmp >>= 2; } // Black and White UINT32 bw[2]; bw[0] = *reinterpret_cast(&g_pPaletteRGB[0]); bw[1] = *reinterpret_cast(&g_pPaletteRGB[1]); DWORD mask = 0x01C0; // 00|000001 1|1000000 DWORD chck1 = 0x0140; // 00|000001 0|1000000 DWORD chck2 = 0x0080; // 00|000000 1|0000000 // HIRES render in RGB works on a pixel-basis (1-bit data in framebuffer) // The pixel can be 'color', if it makes a 101 or 010 pattern with the two neighbour bits // In all other cases, it's black if 0 and white if 1 // The value of 'color' is defined on a 2-bits basis UINT32* pDst = (UINT32*)pVideoAddress; if (xoffset) { // Second byte of the 14 pixels block dwordval = dwordval >> 7; xoffset = 7; } for (int i = xoffset; i < xoffset+7; i++) { if (((dwordval & mask) == chck1) || ((dwordval & mask) == chck2)) { // Color pixel *(pDst) = colors[i]; *(pDst + 1) = *(pDst); pDst += 2; } else { // B&W pixel *(pDst) = bw[(dwordval & chck2 ? 1 : 0)]; *(pDst + 1) = *(pDst); pDst += 2; } // Next pixel dwordval = dwordval >> 1; } const bool bIsHalfScanLines = GetVideo().IsVideoStyle(VS_HALF_SCANLINES); // Second line UINT32* pSrc = (UINT32*)pVideoAddress; pDst = pSrc - GetVideo().GetFrameBufferWidth(); if (bIsHalfScanLines) { // Scanlines std::fill(pDst, pDst + 14, OPAQUE_BLACK); } else { for (int i = 0; i < 14; i++) *(pDst + i) = *(pSrc + i); } } static bool g_dhgrLastCellIsColor = true; static int g_dhgrLastBit = 0; void UpdateDHiResCellRGB(int x, int y, uint16_t addr, bgra_t* pVideoAddress, bool isMixMode, bool isBit7Inversed) { const int xpixel = x * 14; int xoffset = x & 1; // offset to start of the 2 bytes addr -= xoffset; uint8_t* pAux = MemGetAuxPtr(addr); uint8_t* pMain = MemGetMainPtr(addr); // We need all 28 bits because one 4-bits pixel overlaps two 14-bits cells uint8_t byteval1 = *pAux; uint8_t byteval2 = *pMain; uint8_t byteval3 = *(pAux + 1); uint8_t byteval4 = *(pMain + 1); // all 28 bits chained DWORD dwordval = (byteval1 & 0x7F) | ((byteval2 & 0x7F) << 7) | ((byteval3 & 0x7F) << 14) | ((byteval4 & 0x7F) << 21); // Extraction of 7 color pixels and 7x4 bits int bits[7]; UINT32 colors[7]; int color = 0; DWORD dwordval_tmp = dwordval; for (int i = 0; i < 7; i++) { bits[i] = dwordval_tmp & 0xF; color = ((bits[i] & 7) << 1) | ((bits[i] & 8) >> 3); // DHGR colors are rotated 1 bit to the right colors[i] = *reinterpret_cast(&g_pPaletteRGB[12 + color]); dwordval_tmp >>= 4; } UINT32 bw[2]; bw[0] = *reinterpret_cast(&g_pPaletteRGB[12 + 0]); bw[1] = *reinterpret_cast(&g_pPaletteRGB[12 + 15]); if (isBit7Inversed) { // Invert mixed mode detection byteval1 = ~byteval1; byteval2 = ~byteval2; byteval3 = ~byteval3; byteval4 = ~byteval4; } // RGB DHGR is quite a mess: // Color mode is a real 140x192 RGB mode with no color fringe (ref. patent US4631692, "THE 140x192 VIDEO MODE") // BW mode is a real 560x192 monochrome mode // Mixed mode seems easy but has a few traps since it's based on 4-bits cells coded into 7-bits bytes: // - Bit 7 of each byte defines the mode of the following 7 bits (BW or Color); // - BW pixels are 1 bit wide, color pixels are usually 4 bits wide; // - A color pixel can be less than 4 bits wide if it crosses a byte boundary and falls into a BW byte; // - If a 4-bit cell of BW bits crosses a byte boundary and falls into a Color byte, then the last BW bit is repeated until the next color pixel starts. // // (Tested on Le Chat Mauve IIc adapter, which was made under patent of Video-7) UINT32* pDst = (UINT32*)pVideoAddress; if (xoffset == 0) // First cell { if ((byteval1 & 0x80) || !isMixMode) { // Color // Color cell 0 *(pDst++) = colors[0]; *(pDst++) = colors[0]; *(pDst++) = colors[0]; *(pDst++) = colors[0]; // Color cell 1 *(pDst++) = colors[1]; *(pDst++) = colors[1]; *(pDst++) = colors[1]; dwordval >>= 7; g_dhgrLastCellIsColor = true; } else { // BW for (int i = 0; i < 7; i++) { g_dhgrLastBit = dwordval & 1; *(pDst++) = bw[g_dhgrLastBit]; dwordval >>= 1; } g_dhgrLastCellIsColor = false; } if ((byteval2 & 0x80) || !isMixMode) { // Remaining of color cell 1 if (g_dhgrLastCellIsColor) { *(pDst++) = colors[1]; } else { // Repeat last BW bit once *(pDst++) = bw[g_dhgrLastBit]; } // Color cell 2 *(pDst++) = colors[2]; *(pDst++) = colors[2]; *(pDst++) = colors[2]; *(pDst++) = colors[2]; // Color cell 3 *(pDst++) = colors[3]; *(pDst++) = colors[3]; g_dhgrLastCellIsColor = true; } else { for (int i = 0; i < 7; i++) { g_dhgrLastBit = dwordval & 1; *(pDst++) = bw[g_dhgrLastBit]; dwordval >>= 1; } g_dhgrLastCellIsColor = false; } } else // Second cell { dwordval >>= 14; if ((byteval3 & 0x80) || !isMixMode) { // Remaining of color cell 3 if (g_dhgrLastCellIsColor) { *(pDst++) = colors[3]; *(pDst++) = colors[3]; } else { // Repeat last BW bit twice *(pDst++) = bw[g_dhgrLastBit]; *(pDst++) = bw[g_dhgrLastBit]; } // Color cell 4 *(pDst++) = colors[4]; *(pDst++) = colors[4]; *(pDst++) = colors[4]; *(pDst++) = colors[4]; // Color cell 5 *(pDst++) = colors[5]; dwordval >>= 7; g_dhgrLastCellIsColor = true; } else { for (int i = 0; i < 7; i++) { g_dhgrLastBit = dwordval & 1; *(pDst++) = bw[g_dhgrLastBit]; dwordval >>= 1; } g_dhgrLastCellIsColor = false; } if ((byteval4 & 0x80) || !isMixMode) { // Remaining of color cell 5 if (g_dhgrLastCellIsColor) { *(pDst++) = colors[5]; *(pDst++) = colors[5]; *(pDst++) = colors[5]; } else { // Repeat last BW bit three times *(pDst++) = bw[g_dhgrLastBit]; *(pDst++) = bw[g_dhgrLastBit]; *(pDst++) = bw[g_dhgrLastBit]; } // Color cell 6 *(pDst++) = colors[6]; *(pDst++) = colors[6]; *(pDst++) = colors[6]; *(pDst++) = colors[6]; g_dhgrLastCellIsColor = true; } else { for (int i = 0; i < 7; i++) { g_dhgrLastBit = dwordval & 1; *(pDst++) = bw[g_dhgrLastBit]; dwordval >>= 1; } g_dhgrLastCellIsColor = false; } } const bool bIsHalfScanLines = GetVideo().IsVideoStyle(VS_HALF_SCANLINES); // Second line UINT32* pSrc = (UINT32*)pVideoAddress ; pDst = pSrc - GetVideo().GetFrameBufferWidth(); if (bIsHalfScanLines) { // Scanlines std::fill(pDst, pDst + 14, OPAQUE_BLACK); } else { for (int i = 0; i < 14; i++) *(pDst + i) = *(pSrc + i); } } #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; if (!RGB_IsMacLCCardDLGR()) // "Apple IIe Card for Macintosh LC" has a bug in its DLGR implementation (GH#1258) 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); } } //=========================================================================== // Color TEXT (some RGB cards only) // Default BG and FG are usually defined by hardware switches, defaults to black/white void UpdateText40ColorCell(int x, int y, uint16_t addr, bgra_t* pVideoAddress, uint8_t bits, uint8_t character) { uint8_t foreground = g_nRegularTextFG; uint8_t background = g_nRegularTextBG; if (g_nTextFBMode) { const BYTE val = *MemGetAuxPtr(addr); // RGB cards with F/B text use their own AUX memory! foreground = val >> 4; background = val & 0x0F; } else if (g_RGBVideocard == RGB_Videocard_e::Video7_SL7 && character < 0x80) { // in regular 40COL mode, the SL7 videocard renders inverse characters as B&W foreground = 15; background = 0; } UpdateDuochromeCell(2, 14, pVideoAddress, bits, foreground, background); } void UpdateText80ColorCell(int x, int y, uint16_t addr, bgra_t* pVideoAddress, uint8_t bits, uint8_t character) { if (g_RGBVideocard == RGB_Videocard_e::Video7_SL7 && character < 0x80) { // in all 80COL modes, the SL7 videocard renders inverse characters as B&W UpdateDuochromeCell(2, 7, pVideoAddress, bits, 15, 0); } else { UpdateDuochromeCell(2, 7, pVideoAddress, bits, g_nRegularTextFG, g_nRegularTextBG); } } //=========================================================================== // Duochrome HGR (some RGB cards only) void UpdateHiResDuochromeCell(int x, int y, uint16_t addr, bgra_t* pVideoAddress) { BYTE bits = *MemGetMainPtr(addr); BYTE val = *MemGetAuxPtr(addr); const uint8_t foreground = val >> 4; const uint8_t background = val & 0x0F; UpdateDuochromeCell(2, 14, pVideoAddress, bits, foreground, background); } //=========================================================================== // Writes a duochrome cell // 7 bits define a foreground/background pattern // Used on many RGB cards but activated differently, depending on the card. // Can be used in TEXT or HGR mode. The foreground & background colors could be fixed by hardware switches or data lying in AUX. void UpdateDuochromeCell(int h, int w, bgra_t* pVideoAddress, uint8_t bits, uint8_t foreground, uint8_t background) { UINT32* pDst = (UINT32*)pVideoAddress; const bool bIsHalfScanLines = GetVideo().IsVideoStyle(VS_HALF_SCANLINES); const UINT frameBufferWidth = GetVideo().GetFrameBufferWidth(); RGBQUAD colors[2]; // use LoRes palette background += 12; foreground += 12; // get bg/fg colors colors[0] = g_pPaletteRGB[background]; colors[1] = g_pPaletteRGB[foreground]; int nbits = bits; int doublepixels = (w == 14); // Double pixel (HiRes or Text40) while (h--) { bits = nbits; if (bIsHalfScanLines && !(h & 1)) { // 50% Half Scan Line clears every odd scanline (and SHIFT+PrintScreen saves only the even rows) std::fill(pDst, pDst + w, OPAQUE_BLACK); } else { for (int nBytes = 0; nBytes < w; nBytes += (doublepixels?2:1)) { int bit = (bits & 1); bits >>= 1; const RGBQUAD& rRGB = colors[bit]; *(pDst + nBytes) = *reinterpret_cast(&rRGB); if (doublepixels) { *(pDst + nBytes + 1) = *reinterpret_cast(&rRGB); } } } pDst -= frameBufferWidth; } } //=========================================================================== static LPBYTE g_pSourcePixels = NULL; static void V_CreateDIBSections(void) { if (!g_pSourcePixels) // NB. Will be non-zero after a VM restart (GH#809) 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 memset(g_pSourcePixels, 0, SRCOFFS_TOTAL*MAX_SOURCE_Y); V_CreateLookup_Lores(); V_CreateLookup_HiResHalfPixel_Authentic(VT_COLOR_IDEALIZED); V_CreateLookup_DoubleHires(); CreateColorMixMap(); } void VideoInitializeOriginal(baseColors_t pBaseNtscColors) { // CREATE THE SOURCE IMAGE AND DRAW INTO THE SOURCE BIT BUFFER V_CreateDIBSections(); // Replace the default palette with true NTSC-generated colors memcpy(&PaletteRGB_NTSC[BLACK], *pBaseNtscColors, sizeof(RGBQUAD) * kNumBaseColors); PaletteRGB_NTSC[HGR_BLUE] = PaletteRGB_NTSC[BLUE]; PaletteRGB_NTSC[HGR_ORANGE] = PaletteRGB_NTSC[ORANGE]; PaletteRGB_NTSC[HGR_GREEN] = PaletteRGB_NTSC[GREEN]; PaletteRGB_NTSC[HGR_VIOLET] = PaletteRGB_NTSC[MAGENTA]; } //=========================================================================== // RGB videocards may use a different palette thant the NTSC-generated one void VideoSwitchVideocardPalette(RGB_Videocard_e videocard, VideoType_e type) { g_pPaletteRGB = PaletteRGB_NTSC; if (type==VideoType_e::VT_COLOR_VIDEOCARD_RGB && videocard == RGB_Videocard_e::LeChatMauve_Feline) { g_pPaletteRGB = PaletteRGB_Feline; } } //=========================================================================== static UINT g_rgbFlags = 0; static UINT g_rgbMode = 0; static WORD g_rgbPrevAN3Addr = 0; static bool g_rgbInvertBit7 = false; static bool g_rgbMacLCCardDLGR = false; // TODO: Persist to save-state // 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) != 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) // From Video7 patent and Le Chat Mauve manuals (under patent of Video7), no precondition is needed. // In Prince of Persia, in the game demo, the RGB card switches to BW DHIRES after the HGR animation with Jaffar. // It's actually the same on real hardware (tested on IIc RGB adapter). if (address == 0x5F && g_rgbPrevAN3Addr == 0x5E) { g_rgbFlags = (g_rgbFlags << 1) & 3; g_rgbFlags |= ((GetVideo().GetVideoMode() & VF_80COL) ? 0 : 1); // clock in !80COL g_rgbMode = g_rgbFlags; // latch F2,F1 } g_rgbPrevAN3Addr = address; } bool RGB_Is140Mode(void) // Extended 80-Column Text/AppleColor Card's Mode 2 { // Feline falls back to this mode instead of 160 return g_rgbMode == 0 || (g_RGBVideocard == RGB_Videocard_e::LeChatMauve_Feline && g_rgbMode == 1); } bool RGB_Is160Mode(void) // Extended 80-Column Text/AppleColor Card: N/A { // Unsupported by Feline return g_rgbMode == 1 && (g_RGBVideocard != RGB_Videocard_e::LeChatMauve_Feline); } 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; } bool RGB_IsMacLCCardDLGR(void) { return g_rgbMacLCCardDLGR; } void RGB_ResetState(void) { g_rgbFlags = 0; g_rgbMode = 0; g_rgbPrevAN3Addr = 0; } void RGB_SetInvertBit7(bool state) { g_rgbInvertBit7 = state; } void RGB_SetMacLCCardDLGR(bool state) { g_rgbMacLCCardDLGR = 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, false); // unused (todo: remove next time the parent card's version changes) 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::runtime_error("Card: Expected key: " 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) { yamlLoadHelper.LoadBool(SS_YAML_KEY_RGB_80COL_CHANGED); // Obsolete (so just consume) g_rgbInvertBit7 = yamlLoadHelper.LoadBool(SS_YAML_KEY_RGB_INVERT_BIT7); } yamlLoadHelper.PopMap(); } RGB_Videocard_e RGB_GetVideocard(void) { return g_RGBVideocard; } void RGB_SetVideocard(RGB_Videocard_e videocard, int text_foreground, int text_background) { g_RGBVideocard = videocard; // black & white text RGB_SetRegularTextFG(15); RGB_SetRegularTextBG(0); if (videocard == RGB_Videocard_e::Video7_SL7 && (text_foreground == 6 || text_foreground == 9 || text_foreground == 12 || text_foreground == 15)) { // SL7: Only Blue, Amber (Orange), Green, White are supported by hardware switches RGB_SetRegularTextFG(text_foreground); RGB_SetRegularTextBG(0); } } void RGB_SetRegularTextFG(int color) { g_nRegularTextFG = color; } void RGB_SetRegularTextBG(int color) { g_nRegularTextBG = color; } void RGB_EnableTextFB() { g_nTextFBMode = 1; } void RGB_DisableTextFB() { g_nTextFBMode = 0; } int RGB_IsTextFB() { return g_nTextFBMode; }