1074 lines
33 KiB
C++
1074 lines
33 KiB
C++
/*
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AppleWin : An Apple //e emulator for Windows
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Copyright (C) 2010-2011, William S Simms
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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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#include "StdAfx.h"
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#include "cs.h"
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#include "wsvideo.h"
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//#include <math.h>
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//#include <stdio.h>
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//#include <stdlib.h>
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//#include <stdint.h> // uint8_t
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// Defines
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#define PI 3.1415926535898f
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#define RAD_45 PI*0.25f
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#define RAD_90 PI*0.5f
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#define RAD_360 PI*2.f
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#define DEG_TO_RAD(x) (PI*(x)/180.f) // 2PI=360, PI=180,PI/2=90,PI/4=45
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#ifndef CHROMA_BLUR
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#define CHROMA_BLUR 1 // Default: 1; 1 = blur along ~8 pixels; 0 = sharper
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#endif
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#ifndef CHROMA_FILTER
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#define CHROMA_FILTER 1 // If no chroma blur; 0 = use chroma as-is, 1 = soft chroma blur, strong color fringes 2 = more blur, muted chroma fringe
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#endif
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#if CHROMA_BLUR
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#define CYCLESTART (PI/4.f) // PI/4 = 45 degrees
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#else // sharpness is higher, less color bleed
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#if CHROMA_FILTER == 2
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#define CYCLESTART (PI/4.f) // PI/4 = 45 degrees // c = signal_prefilter(z);
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#else
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// #define CYCLESTART DEG_TO_RAD(90) // (PI*0.5) // PI/2 = 90 degrees // HGR: Great, GR: fail on brown
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#define CYCLESTART DEG_TO_RAD(115.f) // GR perfect match of slow method
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#endif
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#endif
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#define HGR_TEST_PATTERN 0
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// from Frame.h (Must keep in sync!)
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#define FRAMEBUFFER_W 600
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#define FRAMEBUFFER_H 420
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// Data
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int wsVideoCharSet = 0;
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int wsVideoMixed = 0;
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int wsHiresPage = 1;
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int wsTextPage = 1;
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// Understanding the Apple II, Timing Generation and the Video Scanner, Pg 3-11
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// Vertical Scanning
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// Horizontal Scanning
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// "There are exactly 17030 (65 x 262) 6502 cycles in every television scan of an American Apple."
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#define VIDEO_SCANNER_MAX_HORZ 65 // TODO: use Video.cpp: kHClocks
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#define VIDEO_SCANNER_MAX_VERT 262 // TODO: use Video.cpp: kNTSCScanLines
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#define VIDEO_SCANNER_HORZ_START 25 // first displayable horz scanner index
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#define VIDEO_SCANNER_Y_MIXED 160 // num scanlins for mixed graphics + text
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#define VIDEO_SCANNER_Y_DISPLAY 192 // max displayable scanlines
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static unsigned g_nVideoClockVert = 0; // 9-bit: VC VB VA V5 V4 V3 V2 V1 V0 = 0 .. 262
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static unsigned g_nVideoClockHorz = 0; // 6-bit: H5 H4 H3 H2 H1 H0 = 0 .. 64, 25 >= visible
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uint16_t g_aHorzClockMemAddress[VIDEO_SCANNER_MAX_HORZ]; // MSVC2010
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unsigned char * wsLines[384];
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unsigned wsFlashidx = 0;
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unsigned wsFlashmask = 0;
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static unsigned grbits[16];
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static uint16_t g_aPixelDoubleMaskHGR[128]; // hgrbits -> g_aPixelDoubleMaskHGR: 7-bit mono 280 pixels to 560 pixel doubling
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#define UpdateVideoAddressTXT() g_aHorzClockMemAddress[ g_nVideoClockHorz ] = ad = (g_aClockVertOffsetsTXT[g_nVideoClockVert/8] + g_pHorzClockOffset [g_nVideoClockVert/64][g_nVideoClockHorz] + (wsTextPage * 0x400))
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#define UpdateVideoAddressHGR() g_aHorzClockMemAddress[ g_nVideoClockHorz ] = ad = (g_aClockVertOffsetsHGR[g_nVideoClockVert ] + APPLE_IIE_HORZ_CLOCK_OFFSET[g_nVideoClockVert/64][g_nVideoClockHorz] + (wsHiresPage * 0x2000)) // BUG? g_pHorzClockOffset
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static unsigned char *vbp0;
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static int g_nLastColumnPixelNTSC;
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static int g_nColorBurstPixels;
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#define INITIAL_COLOR_PHASE 0
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static int g_nColorPhaseNTSC = INITIAL_COLOR_PHASE;
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static int g_nSignalBitsNTSC = 0;
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#define NTSC_NUM_PHASES 4
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#define NTSC_NUM_SEQUENCES 4096
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enum ColorChannel
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{ // Win32 DIB: BGRA format
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_B = 0,
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_G = 1,
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_R = 2,
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_A = 3,
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NUM_COLOR_CHANNELS = 4
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};
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static unsigned char NTSCMono [NTSC_NUM_SEQUENCES][NUM_COLOR_CHANNELS];
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static unsigned char NTSCColor [NTSC_NUM_PHASES][NTSC_NUM_SEQUENCES][NUM_COLOR_CHANNELS];
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static unsigned char NTSCMonoTV [NTSC_NUM_SEQUENCES][NUM_COLOR_CHANNELS];
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static unsigned char NTSCColorTV[NTSC_NUM_PHASES][NTSC_NUM_SEQUENCES][NUM_COLOR_CHANNELS];
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#define NUM_SIGZEROS 2
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#define NUM_SIGPOLES 2
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#define SIGGAIN 7.614490548f
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#define NUM_LUMZEROS 2
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#define NUM_LUMPOLES 2
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//#define LUMGAIN 1.062635655e+01
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//#define LUMCOEF1 -0.3412038399
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//#define LUMCOEF2 0.9647813115
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#define LUMGAIN 13.71331570f
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#define LUMCOEF1 -0.3961075449f
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#define LUMCOEF2 1.1044202472f
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#define NUM_CHRZEROS 2
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#define NUM_CHRPOLES 2
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#define CHRGAIN 7.438011255f
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// Tables
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static unsigned g_aClockVertOffsetsHGR[ VIDEO_SCANNER_MAX_VERT ] =
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{
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0x0000,0x0400,0x0800,0x0C00,0x1000,0x1400,0x1800,0x1C00,0x0080,0x0480,0x0880,0x0C80,0x1080,0x1480,0x1880,0x1C80,
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0x0100,0x0500,0x0900,0x0D00,0x1100,0x1500,0x1900,0x1D00,0x0180,0x0580,0x0980,0x0D80,0x1180,0x1580,0x1980,0x1D80,
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0x0200,0x0600,0x0A00,0x0E00,0x1200,0x1600,0x1A00,0x1E00,0x0280,0x0680,0x0A80,0x0E80,0x1280,0x1680,0x1A80,0x1E80,
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0x0300,0x0700,0x0B00,0x0F00,0x1300,0x1700,0x1B00,0x1F00,0x0380,0x0780,0x0B80,0x0F80,0x1380,0x1780,0x1B80,0x1F80,
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0x0000,0x0400,0x0800,0x0C00,0x1000,0x1400,0x1800,0x1C00,0x0080,0x0480,0x0880,0x0C80,0x1080,0x1480,0x1880,0x1C80,
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0x0100,0x0500,0x0900,0x0D00,0x1100,0x1500,0x1900,0x1D00,0x0180,0x0580,0x0980,0x0D80,0x1180,0x1580,0x1980,0x1D80,
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0x0200,0x0600,0x0A00,0x0E00,0x1200,0x1600,0x1A00,0x1E00,0x0280,0x0680,0x0A80,0x0E80,0x1280,0x1680,0x1A80,0x1E80,
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0x0300,0x0700,0x0B00,0x0F00,0x1300,0x1700,0x1B00,0x1F00,0x0380,0x0780,0x0B80,0x0F80,0x1380,0x1780,0x1B80,0x1F80,
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0x0000,0x0400,0x0800,0x0C00,0x1000,0x1400,0x1800,0x1C00,0x0080,0x0480,0x0880,0x0C80,0x1080,0x1480,0x1880,0x1C80,
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0x0100,0x0500,0x0900,0x0D00,0x1100,0x1500,0x1900,0x1D00,0x0180,0x0580,0x0980,0x0D80,0x1180,0x1580,0x1980,0x1D80,
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0x0200,0x0600,0x0A00,0x0E00,0x1200,0x1600,0x1A00,0x1E00,0x0280,0x0680,0x0A80,0x0E80,0x1280,0x1680,0x1A80,0x1E80,
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0x0300,0x0700,0x0B00,0x0F00,0x1300,0x1700,0x1B00,0x1F00,0x0380,0x0780,0x0B80,0x0F80,0x1380,0x1780,0x1B80,0x1F80,
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0x0000,0x0400,0x0800,0x0C00,0x1000,0x1400,0x1800,0x1C00,0x0080,0x0480,0x0880,0x0C80,0x1080,0x1480,0x1880,0x1C80,
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0x0100,0x0500,0x0900,0x0D00,0x1100,0x1500,0x1900,0x1D00,0x0180,0x0580,0x0980,0x0D80,0x1180,0x1580,0x1980,0x1D80,
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0x0200,0x0600,0x0A00,0x0E00,0x1200,0x1600,0x1A00,0x1E00,0x0280,0x0680,0x0A80,0x0E80,0x1280,0x1680,0x1A80,0x1E80,
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0x0300,0x0700,0x0B00,0x0F00,0x1300,0x1700,0x1B00,0x1F00,0x0380,0x0780,0x0B80,0x0F80,0x1380,0x1780,0x1B80,0x1F80,
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0x0B80,0x0F80,0x1380,0x1780,0x1B80,0x1F80
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};
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static unsigned g_aClockVertOffsetsTXT[33] =
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{
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0x0000,0x0080,0x0100,0x0180,0x0200,0x0280,0x0300,0x0380,
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0x0000,0x0080,0x0100,0x0180,0x0200,0x0280,0x0300,0x0380,
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0x0000,0x0080,0x0100,0x0180,0x0200,0x0280,0x0300,0x0380,
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0x0000,0x0080,0x0100,0x0180,0x0200,0x0280,0x0300,0x0380,0x380
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};
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static unsigned APPLE_IIP_HORZ_CLOCK_OFFSET[5][VIDEO_SCANNER_MAX_HORZ] =
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{
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{0x1068,0x1068,0x1069,0x106A,0x106B,0x106C,0x106D,0x106E,0x106F,
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0x1070,0x1071,0x1072,0x1073,0x1074,0x1075,0x1076,0x1077,
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0x1078,0x1079,0x107A,0x107B,0x107C,0x107D,0x107E,0x107F,
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0x0000,0x0001,0x0002,0x0003,0x0004,0x0005,0x0006,0x0007,
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0x0008,0x0009,0x000A,0x000B,0x000C,0x000D,0x000E,0x000F,
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0x0010,0x0011,0x0012,0x0013,0x0014,0x0015,0x0016,0x0017,
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0x0018,0x0019,0x001A,0x001B,0x001C,0x001D,0x001E,0x001F,
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0x0020,0x0021,0x0022,0x0023,0x0024,0x0025,0x0026,0x0027},
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{0x1010,0x1010,0x1011,0x1012,0x1013,0x1014,0x1015,0x1016,0x1017,
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0x1018,0x1019,0x101A,0x101B,0x101C,0x101D,0x101E,0x101F,
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0x1020,0x1021,0x1022,0x1023,0x1024,0x1025,0x1026,0x1027,
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0x0028,0x0029,0x002A,0x002B,0x002C,0x002D,0x002E,0x002F,
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0x0030,0x0031,0x0032,0x0033,0x0034,0x0035,0x0036,0x0037,
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0x0038,0x0039,0x003A,0x003B,0x003C,0x003D,0x003E,0x003F,
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0x0040,0x0041,0x0042,0x0043,0x0044,0x0045,0x0046,0x0047,
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0x0048,0x0049,0x004A,0x004B,0x004C,0x004D,0x004E,0x004F},
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{0x1038,0x1038,0x1039,0x103A,0x103B,0x103C,0x103D,0x103E,0x103F,
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0x1040,0x1041,0x1042,0x1043,0x1044,0x1045,0x1046,0x1047,
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0x1048,0x1049,0x104A,0x104B,0x104C,0x104D,0x104E,0x104F,
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0x0050,0x0051,0x0052,0x0053,0x0054,0x0055,0x0056,0x0057,
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0x0058,0x0059,0x005A,0x005B,0x005C,0x005D,0x005E,0x005F,
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0x0060,0x0061,0x0062,0x0063,0x0064,0x0065,0x0066,0x0067,
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0x0068,0x0069,0x006A,0x006B,0x006C,0x006D,0x006E,0x006F,
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0x0070,0x0071,0x0072,0x0073,0x0074,0x0075,0x0076,0x0077},
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{0x1060,0x1060,0x1061,0x1062,0x1063,0x1064,0x1065,0x1066,0x1067,
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0x1068,0x1069,0x106A,0x106B,0x106C,0x106D,0x106E,0x106F,
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0x1070,0x1071,0x1072,0x1073,0x1074,0x1075,0x1076,0x1077,
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0x0078,0x0079,0x007A,0x007B,0x007C,0x007D,0x007E,0x007F,
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0x0000,0x0001,0x0002,0x0003,0x0004,0x0005,0x0006,0x0007,
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0x0008,0x0009,0x000A,0x000B,0x000C,0x000D,0x000E,0x000F,
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0x0010,0x0011,0x0012,0x0013,0x0014,0x0015,0x0016,0x0017,
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0x0018,0x0019,0x001A,0x001B,0x001C,0x001D,0x001E,0x001F},
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{0x1060,0x1060,0x1061,0x1062,0x1063,0x1064,0x1065,0x1066,0x1067,
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0x1068,0x1069,0x106A,0x106B,0x106C,0x106D,0x106E,0x106F,
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0x1070,0x1071,0x1072,0x1073,0x1074,0x1075,0x1076,0x1077,
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0x0078,0x0079,0x007A,0x007B,0x007C,0x007D,0x007E,0x007F,
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0x0000,0x0001,0x0002,0x0003,0x0004,0x0005,0x0006,0x0007,
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0x0008,0x0009,0x000A,0x000B,0x000C,0x000D,0x000E,0x000F,
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0x0010,0x0011,0x0012,0x0013,0x0014,0x0015,0x0016,0x0017,
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0x0018,0x0019,0x001A,0x001B,0x001C,0x001D,0x001E,0x001F}
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};
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static unsigned APPLE_IIE_HORZ_CLOCK_OFFSET[5][VIDEO_SCANNER_MAX_HORZ] =
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{
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{0x0068,0x0068,0x0069,0x006A,0x006B,0x006C,0x006D,0x006E,0x106F,
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0x0070,0x0071,0x0072,0x0073,0x0074,0x0075,0x0076,0x0077,
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0x0078,0x0079,0x007A,0x007B,0x007C,0x007D,0x007E,0x007F,
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0x0000,0x0001,0x0002,0x0003,0x0004,0x0005,0x0006,0x0007,
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0x0008,0x0009,0x000A,0x000B,0x000C,0x000D,0x000E,0x000F,
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0x0010,0x0011,0x0012,0x0013,0x0014,0x0015,0x0016,0x0017,
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0x0018,0x0019,0x001A,0x001B,0x001C,0x001D,0x001E,0x001F,
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0x0020,0x0021,0x0022,0x0023,0x0024,0x0025,0x0026,0x0027},
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{0x0010,0x0010,0x0011,0x0012,0x0013,0x0014,0x0015,0x0016,0x0017,
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0x0018,0x0019,0x001A,0x001B,0x001C,0x001D,0x001E,0x001F,
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0x0020,0x0021,0x0022,0x0023,0x0024,0x0025,0x0026,0x0027,
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0x0028,0x0029,0x002A,0x002B,0x002C,0x002D,0x002E,0x002F,
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0x0030,0x0031,0x0032,0x0033,0x0034,0x0035,0x0036,0x0037,
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0x0038,0x0039,0x003A,0x003B,0x003C,0x003D,0x003E,0x003F,
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0x0040,0x0041,0x0042,0x0043,0x0044,0x0045,0x0046,0x0047,
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0x0048,0x0049,0x004A,0x004B,0x004C,0x004D,0x004E,0x004F},
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{0x0038,0x0038,0x0039,0x003A,0x003B,0x003C,0x003D,0x003E,0x003F,
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0x0040,0x0041,0x0042,0x0043,0x0044,0x0045,0x0046,0x0047,
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0x0048,0x0049,0x004A,0x004B,0x004C,0x004D,0x004E,0x004F,
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0x0050,0x0051,0x0052,0x0053,0x0054,0x0055,0x0056,0x0057,
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0x0058,0x0059,0x005A,0x005B,0x005C,0x005D,0x005E,0x005F,
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0x0060,0x0061,0x0062,0x0063,0x0064,0x0065,0x0066,0x0067,
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0x0068,0x0069,0x006A,0x006B,0x006C,0x006D,0x006E,0x006F,
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0x0070,0x0071,0x0072,0x0073,0x0074,0x0075,0x0076,0x0077},
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{0x0060,0x0060,0x0061,0x0062,0x0063,0x0064,0x0065,0x0066,0x0067,
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0x0068,0x0069,0x006A,0x006B,0x006C,0x006D,0x006E,0x006F,
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0x0070,0x0071,0x0072,0x0073,0x0074,0x0075,0x0076,0x0077,
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0x0078,0x0079,0x007A,0x007B,0x007C,0x007D,0x007E,0x007F,
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0x0000,0x0001,0x0002,0x0003,0x0004,0x0005,0x0006,0x0007,
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0x0008,0x0009,0x000A,0x000B,0x000C,0x000D,0x000E,0x000F,
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0x0010,0x0011,0x0012,0x0013,0x0014,0x0015,0x0016,0x0017,
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0x0018,0x0019,0x001A,0x001B,0x001C,0x001D,0x001E,0x001F},
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{0x0060,0x0060,0x0061,0x0062,0x0063,0x0064,0x0065,0x0066,0x0067,
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0x0068,0x0069,0x006A,0x006B,0x006C,0x006D,0x006E,0x006F,
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0x0070,0x0071,0x0072,0x0073,0x0074,0x0075,0x0076,0x0077,
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0x0078,0x0079,0x007A,0x007B,0x007C,0x007D,0x007E,0x007F,
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0x0000,0x0001,0x0002,0x0003,0x0004,0x0005,0x0006,0x0007,
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0x0008,0x0009,0x000A,0x000B,0x000C,0x000D,0x000E,0x000F,
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|
0x0010,0x0011,0x0012,0x0013,0x0014,0x0015,0x0016,0x0017,
|
|
0x0018,0x0019,0x001A,0x001B,0x001C,0x001D,0x001E,0x001F}
|
|
};
|
|
|
|
static unsigned (*g_pHorzClockOffset)[VIDEO_SCANNER_MAX_HORZ] = 0;
|
|
|
|
|
|
// Prototypes
|
|
// prototype from CPU.h
|
|
//unsigned char CpuRead(unsigned short addr, unsigned long uExecutedCycles);
|
|
// prototypes from Memory.h
|
|
//unsigned char * MemGetAuxPtr (unsigned short);
|
|
//unsigned char * MemGetMainPtr (unsigned short);
|
|
static void init_chroma_phase_table();
|
|
void updateColorPhase();
|
|
void updateVideoHorzEOL();
|
|
|
|
inline float clampZeroOne( const float & x )
|
|
{
|
|
if (x < 0.f) return 0.f;
|
|
if (x > 1.f) return 1.f;
|
|
/* ...... */ return x;
|
|
}
|
|
|
|
inline void updateColorPhase()
|
|
{
|
|
g_nColorPhaseNTSC++;
|
|
g_nColorPhaseNTSC &= 3;
|
|
}
|
|
|
|
void wsVideoInitModel (int model)
|
|
{
|
|
// anything other than low bit set means not II/II+
|
|
if (model & 0xFFFE)
|
|
g_pHorzClockOffset = APPLE_IIE_HORZ_CLOCK_OFFSET;
|
|
else
|
|
g_pHorzClockOffset = APPLE_IIP_HORZ_CLOCK_OFFSET;
|
|
}
|
|
|
|
static void init_video_tables (void)
|
|
{
|
|
/*
|
|
Convert 7-bit monochrome luminance to 14-bit double pixel luminance
|
|
Chroma will be applied later based on the color phase in ntscColorDoublePixel( luminanceBit )
|
|
0x001 -> 0x0003
|
|
0x002 -> 0x000C
|
|
0x004 -> 0x0030
|
|
0x008 -> 0x00C0
|
|
0x100 -> 0x4000
|
|
*/
|
|
for (uint8_t byte = 0; byte < 0x80; byte++ ) // Optimization: hgrbits second 128 entries are mirror of first 128
|
|
for (uint8_t bits = 0; bits < 7; bits++ ) // high bit = half pixel shift; pre-optimization: bits < 8
|
|
if (byte & (1 << bits)) // pow2 mask
|
|
g_aPixelDoubleMaskHGR[byte] |= 3 << (bits*2);
|
|
|
|
for ( uint16_t color = 0; color < 16; color++ )
|
|
grbits[ color ] = (color << 12) | (color << 8) | (color << 4) | (color << 0);
|
|
}
|
|
|
|
// sadly float64 precision is needed
|
|
#define real double
|
|
|
|
static real signal_prefilter (real z)
|
|
{
|
|
static real xv[NUM_SIGZEROS + 1] = { 0,0,0 };
|
|
static real yv[NUM_SIGPOLES + 1] = { 0,0,0 };
|
|
|
|
xv[0] = xv[1];
|
|
xv[1] = xv[2];
|
|
xv[2] = z / SIGGAIN;
|
|
yv[0] = yv[1];
|
|
yv[1] = yv[2];
|
|
yv[2] = xv[0] + xv[2] + (2.f * xv[1]) + (-0.2718798058f * yv[0]) + (0.7465656072f * yv[1]);
|
|
|
|
return yv[2];
|
|
}
|
|
|
|
static real luma0_filter (real z)
|
|
{
|
|
static real xv[NUM_LUMZEROS + 1];
|
|
static real yv[NUM_LUMPOLES + 1];
|
|
|
|
xv[0] = xv[1];
|
|
xv[1] = xv[2];
|
|
xv[2] = z / LUMGAIN;
|
|
yv[0] = yv[1];
|
|
yv[1] = yv[2];
|
|
yv[2] = xv[0] + xv[2] + (2.f * xv[1]) + (LUMCOEF1 * yv[0]) + (LUMCOEF2 * yv[1]);
|
|
|
|
return yv[2];
|
|
}
|
|
|
|
static real luma1_filter (real z)
|
|
{
|
|
static real xv[NUM_LUMZEROS + 1];
|
|
static real yv[NUM_LUMPOLES + 1];
|
|
|
|
xv[0] = xv[1];
|
|
xv[1] = xv[2];
|
|
xv[2] = z / LUMGAIN;
|
|
yv[0] = yv[1];
|
|
yv[1] = yv[2];
|
|
yv[2] = xv[0] + xv[2] + (2 * xv[1]) + (LUMCOEF1 * yv[0]) + (LUMCOEF2 * yv[1]);
|
|
|
|
return yv[2];
|
|
}
|
|
|
|
static real chroma_filter (real z)
|
|
{
|
|
static real xv[NUM_CHRZEROS + 1];
|
|
static real yv[NUM_CHRPOLES + 1];
|
|
|
|
xv[0] = xv[1];
|
|
xv[1] = xv[2];
|
|
xv[2] = z / CHRGAIN;
|
|
yv[0] = yv[1];
|
|
yv[1] = yv[2];
|
|
yv[2] = xv[2] - xv[0] + (-0.7318893645f * yv[0]) + (1.2336442711f * yv[1]);
|
|
|
|
return yv[2];
|
|
}
|
|
|
|
// Build the 4 phase chroma lookup table
|
|
// The YI'Q' colors are hard-coded
|
|
static void init_chroma_phase_table (void)
|
|
{
|
|
int phase,s,t,n;
|
|
real z,y0,y1,c,i,q;
|
|
real phi,zz;
|
|
float brightness;
|
|
double r64,g64,b64;
|
|
float r32,g32,b32;
|
|
|
|
for (phase = 0; phase < 4; ++phase)
|
|
{
|
|
phi = (phase * RAD_90) + CYCLESTART;
|
|
for (s = 0; s < NTSC_NUM_SEQUENCES; ++s)
|
|
{
|
|
t = s;
|
|
y0 = y1 = c = i = q = 0.0;
|
|
|
|
for (n = 0; n < 12; ++n)
|
|
{
|
|
z = (real)(0 != (t & 0x800));
|
|
t = t << 1;
|
|
|
|
for(int k = 0; k < 2; k++ )
|
|
{
|
|
#if CHROMA_BLUR
|
|
//z = z * 1.25;
|
|
zz = signal_prefilter(z);
|
|
c = chroma_filter(zz); // "Mostly" correct _if_ CYCLESTART = PI/4 = 45 degrees
|
|
y0 = luma0_filter(zz);
|
|
y1 = luma1_filter(zz - c);
|
|
#else // CHROMA_BLUR
|
|
y0 = y0 + (z - y0) / 4.0;
|
|
y1 = y0; // fix TV mode
|
|
|
|
#if CHROMA_FILTER == 0
|
|
c = z; // sharper; "Mostly" correct _if_ CYCLESTART = 115 degrees
|
|
#endif // CHROMA_FILTER
|
|
#if CHROMA_FILTER == 1 // soft chroma blur, strong color fringes
|
|
// NOTE: This has incorrect colors! Chroma is (115-45)=70 degrees out of phase! violet <-> orange, green <-> blue
|
|
c = (z - y0); // Original -- smoother, white is solid, brighter; other colors
|
|
// ->
|
|
// c = (z - (y0 + (z-y0)/4))
|
|
// c = z - y0 - (z-y0)/4
|
|
// c = z - y0 - z/4 + y0/4
|
|
// c = z-z/4 - y0+y0/4; // Which is clearly wrong, unless CYCLESTART DEG_TO_RAD(115)
|
|
// This mode looks the most accurate for white, has better color fringes
|
|
#endif
|
|
#if CHROMA_FILTER == 2 // more blur, muted chroma fringe
|
|
// White has too much ringing, and the color fringes are muted
|
|
c = signal_prefilter(z); // "Mostly" correct _if_ CYCLESTART = PI/4 = 45 degrees
|
|
#endif
|
|
#endif // CHROMA_BLUR
|
|
c = c * 2.f;
|
|
i = i + (c * cos(phi) - i) / 8.f;
|
|
q = q + (c * sin(phi) - q) / 8.f;
|
|
|
|
phi += RAD_45; //(PI / 4);
|
|
if (fabs((RAD_360) - phi) < 0.001)
|
|
phi = phi - RAD_360; // 2 * PI;
|
|
} // k
|
|
} // samples
|
|
|
|
brightness = clampZeroOne( (float)z );
|
|
NTSCMono[s][_B] = (uint8_t)(brightness * 255);
|
|
NTSCMono[s][_G] = (uint8_t)(brightness * 255);
|
|
NTSCMono[s][_R] = (uint8_t)(brightness * 255);
|
|
NTSCMono[s][_A] = 255;
|
|
|
|
brightness = clampZeroOne( (float)y1);
|
|
NTSCMonoTV[s][_B] = (uint8_t)(brightness * 255);
|
|
NTSCMonoTV[s][_G] = (uint8_t)(brightness * 255);
|
|
NTSCMonoTV[s][_R] = (uint8_t)(brightness * 255);
|
|
NTSCMonoTV[s][_A] = 255;
|
|
|
|
/*
|
|
YI'V' to RGB
|
|
|
|
[r g b] = [y i v][ 1 1 1 ]
|
|
[0.956 -0.272 -1.105]
|
|
[0.621 -0.647 1.702]
|
|
|
|
[r] [1 0.956 0.621][y]
|
|
[g] = [1 -0.272 -0.647][i]
|
|
[b] [1 -1.105 1.702][v]
|
|
*/
|
|
#define I_TO_R 0.956f
|
|
#define I_TO_G -0.272f
|
|
#define I_TO_B -1.105f
|
|
|
|
#define Q_TO_R 0.621f
|
|
#define Q_TO_G -0.647f
|
|
#define Q_TO_B 1.702f
|
|
|
|
r64 = y0 + (I_TO_R * i) + (Q_TO_R * q);
|
|
g64 = y0 + (I_TO_G * i) + (Q_TO_G * q);
|
|
b64 = y0 + (I_TO_B * i) + (Q_TO_B * q);
|
|
|
|
b32 = clampZeroOne( (float)b64);
|
|
g32 = clampZeroOne( (float)g64);
|
|
r32 = clampZeroOne( (float)r64);
|
|
|
|
NTSCColor[phase][s][_B] = (uint8_t)(b32 * 255);
|
|
NTSCColor[phase][s][_G] = (uint8_t)(g32 * 255);
|
|
NTSCColor[phase][s][_R] = (uint8_t)(r32 * 255);
|
|
NTSCColor[phase][s][_A] = 255;
|
|
|
|
r64 = y1 + (I_TO_R * i) + (Q_TO_R * q);
|
|
g64 = y1 + (I_TO_G * i) + (Q_TO_G * q);
|
|
b64 = y1 + (I_TO_B * i) + (Q_TO_B * q);
|
|
|
|
b32 = clampZeroOne( (float)b64 );
|
|
g32 = clampZeroOne( (float)g64 );
|
|
r32 = clampZeroOne( (float)r64 );
|
|
|
|
NTSCColorTV[phase][s][_B] = (uint8_t)(b32 * 255);
|
|
NTSCColorTV[phase][s][_G] = (uint8_t)(g32 * 255);
|
|
NTSCColorTV[phase][s][_R] = (uint8_t)(r32 * 255);
|
|
NTSCColorTV[phase][s][_A] = 255;
|
|
}
|
|
}
|
|
}
|
|
|
|
void wsVideoInit ()
|
|
{
|
|
make_csbits();
|
|
init_video_tables();
|
|
init_chroma_phase_table();
|
|
|
|
vbp0 = wsLines[0];
|
|
|
|
#if HGR_TEST_PATTERN
|
|
// Michael -- Init HGR to almost all-possible-combinations
|
|
// CALL-151
|
|
// C050 C053 C057
|
|
unsigned char b = 0;
|
|
unsigned char *main, *aux;
|
|
|
|
for( unsigned page = 0; page < 2; page++ )
|
|
{
|
|
for( unsigned w = 0; w < 2; w++ ) // 16 cols
|
|
{
|
|
for( unsigned z = 0; z < 2; z++ ) // 8 cols
|
|
{
|
|
b = 0; // 4 columns * 64 rows
|
|
for( unsigned x = 0; x < 4; x++ ) // 4 cols
|
|
{
|
|
for( unsigned y = 0; y < 64; y++ ) // 1 col
|
|
{
|
|
unsigned y2 = y*2;
|
|
ad = 0x2000 + (y2&7)*0x400 + ((y2/8)&7)*0x80 + (y2/64)*0x28 + 2*x + 10*z + 20*w;
|
|
ad += 0x2000*page;
|
|
main = MemGetMainPtr(ad);
|
|
aux = MemGetAuxPtr (ad);
|
|
main[0] = b; main[1] = w + page*0x80;
|
|
aux [0] = z; aux [1] = 0;
|
|
|
|
y2 = y*2 + 1;
|
|
ad = 0x2000 + (y2&7)*0x400 + ((y2/8)&7)*0x80 + (y2/64)*0x28 + 2*x + 10*z + 20*w;
|
|
ad += 0x2000*page;
|
|
main = MemGetMainPtr(ad);
|
|
aux = MemGetAuxPtr (ad);
|
|
main[0] = 0; main[1] = w + page*0x80;
|
|
aux [0] = b; aux [1] = 0;
|
|
|
|
b++;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
|
|
}
|
|
|
|
#define SINGLEPIXEL(signal,table) \
|
|
do { \
|
|
unsigned int *cp, *mp; \
|
|
g_nSignalBitsNTSC = ((g_nSignalBitsNTSC << 1) | signal) & 0xFFF; \
|
|
cp = (unsigned int *)(&(table[g_nSignalBitsNTSC][0])); \
|
|
*((unsigned int *)vbp0) = *cp; \
|
|
mp = (unsigned int *)(vbp0 - 4 * FRAMEBUFFER_W); \
|
|
*mp = ((*cp & 0x00fcfcfc) >> 2) + 0xff000000; \
|
|
vbp0 += 4; \
|
|
} while(0)
|
|
|
|
#define SINGLETVPIXEL(signal,table) \
|
|
do { \
|
|
unsigned int ntscp, prevp, betwp; \
|
|
unsigned int *prevlin, *between; \
|
|
g_nSignalBitsNTSC = ((g_nSignalBitsNTSC << 1) | signal) & 0xFFF; \
|
|
prevlin = (unsigned int *)(vbp0 + 8 * FRAMEBUFFER_W); \
|
|
between = (unsigned int *)(vbp0 + 4 * FRAMEBUFFER_W); \
|
|
ntscp = *(unsigned int *)(&(table[g_nSignalBitsNTSC][0])); /* raw current NTSC color */ \
|
|
prevp = *prevlin; \
|
|
betwp = ntscp - ((ntscp & 0x00fcfcfc) >> 2); \
|
|
*between = betwp | 0xff000000; \
|
|
*((unsigned int *)vbp0) = ntscp; \
|
|
vbp0 += 4; \
|
|
} while(0)
|
|
|
|
#define DOUBLEPIXEL(signal,table) \
|
|
do { \
|
|
unsigned int *cp, *mp; \
|
|
g_nSignalBitsNTSC = ((g_nSignalBitsNTSC << 1) | signal) & 0xFFF; \
|
|
cp = (unsigned int *)(&(table[g_nSignalBitsNTSC][0])); \
|
|
mp = (unsigned int *)(vbp0 - 4 * FRAMEBUFFER_W); \
|
|
*((unsigned int *)vbp0) = *mp = *cp; \
|
|
vbp0 += 4; \
|
|
} while(0)
|
|
|
|
#define DOUBLETVPIXEL(signal,table) \
|
|
do { \
|
|
unsigned int ntscp, prevp, betwp; \
|
|
unsigned int *prevlin, *between; \
|
|
g_nSignalBitsNTSC = ((g_nSignalBitsNTSC << 1) | signal) & 0xFFF; \
|
|
prevlin = (unsigned int *)(vbp0 + 8 * FRAMEBUFFER_W); \
|
|
between = (unsigned int *)(vbp0 + 4 * FRAMEBUFFER_W); \
|
|
ntscp = *(unsigned int *)(&(table[g_nSignalBitsNTSC][0])); /* raw current NTSC color */ \
|
|
prevp = *prevlin; \
|
|
betwp = ((ntscp & 0x00fefefe) >> 1) + ((prevp & 0x00fefefe) >> 1); \
|
|
*between = betwp | 0xff000000; \
|
|
*((unsigned int *)vbp0) = ntscp; \
|
|
vbp0 += 4; \
|
|
} while(0)
|
|
|
|
static void ntscMonoSinglePixel (int compositeSignal)
|
|
{
|
|
SINGLEPIXEL(compositeSignal, NTSCMono);
|
|
}
|
|
|
|
static void ntscMonoDoublePixel (int compositeSignal)
|
|
{
|
|
DOUBLEPIXEL(compositeSignal, NTSCMono);
|
|
}
|
|
|
|
static void ntscColorSinglePixel (int compositeSignal)
|
|
{
|
|
SINGLEPIXEL(compositeSignal, NTSCColor[g_nColorPhaseNTSC]);
|
|
updateColorPhase();
|
|
}
|
|
|
|
static void ntscColorDoublePixel (int compositeSignal)
|
|
{
|
|
DOUBLEPIXEL(compositeSignal, NTSCColor[g_nColorPhaseNTSC]);
|
|
updateColorPhase();
|
|
}
|
|
|
|
|
|
static void ntscMonoTVSinglePixel (int compositeSignal)
|
|
{
|
|
SINGLETVPIXEL(compositeSignal, NTSCMonoTV);
|
|
}
|
|
|
|
static void ntscMonoTVDoublePixel (int compositeSignal)
|
|
{
|
|
DOUBLETVPIXEL(compositeSignal, NTSCMonoTV);
|
|
}
|
|
|
|
static void ntscColorTVSinglePixel (int compositeSignal)
|
|
{
|
|
SINGLETVPIXEL(compositeSignal, NTSCColorTV[g_nColorPhaseNTSC]);
|
|
updateColorPhase();
|
|
}
|
|
|
|
static void ntscColorTVDoublePixel (int compositeSignal)
|
|
{
|
|
DOUBLETVPIXEL(compositeSignal, NTSCColorTV[g_nColorPhaseNTSC]);
|
|
updateColorPhase();
|
|
}
|
|
|
|
static void (*ntscMonoPixel)(int) = ntscMonoSinglePixel;
|
|
static void (*ntscColorPixel)(int) = ntscColorSinglePixel;
|
|
|
|
void wsVideoStyle (int v, int s)
|
|
{
|
|
switch (v)
|
|
{
|
|
case 0:
|
|
if (s) {
|
|
ntscMonoPixel = ntscMonoTVSinglePixel;
|
|
ntscColorPixel = ntscColorTVSinglePixel;
|
|
}
|
|
else {
|
|
ntscMonoPixel = ntscMonoTVDoublePixel;
|
|
ntscColorPixel = ntscColorTVDoublePixel;
|
|
}
|
|
break;
|
|
case 1:
|
|
default:
|
|
if (s) {
|
|
ntscMonoPixel = ntscMonoSinglePixel;
|
|
ntscColorPixel = ntscColorSinglePixel;
|
|
}
|
|
else {
|
|
ntscMonoPixel = ntscMonoDoublePixel;
|
|
ntscColorPixel = ntscColorDoublePixel;
|
|
}
|
|
break;
|
|
case 2:
|
|
if (s) {
|
|
ntscMonoPixel = ntscColorPixel = ntscMonoTVSinglePixel;
|
|
}
|
|
else {
|
|
ntscMonoPixel = ntscColorPixel = ntscMonoTVDoublePixel;
|
|
}
|
|
break;
|
|
case 3:
|
|
if (s) {
|
|
ntscMonoPixel = ntscColorPixel = ntscMonoSinglePixel;
|
|
}
|
|
else {
|
|
ntscMonoPixel = ntscColorPixel = ntscMonoDoublePixel;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
int wsVideoIsVbl ()
|
|
{
|
|
return (g_nVideoClockVert >= VIDEO_SCANNER_Y_DISPLAY) && (g_nVideoClockVert < VIDEO_SCANNER_MAX_VERT);
|
|
}
|
|
|
|
unsigned char wsVideoByte (unsigned long cycle)
|
|
{
|
|
(void)cycle; // MSVC2010
|
|
unsigned char * mem;
|
|
mem = MemGetMainPtr(g_aHorzClockMemAddress[ g_nVideoClockHorz ]);
|
|
return mem[0];
|
|
}
|
|
|
|
#define VIDEO_DRAW_BITS() do { \
|
|
/* printf( "VIDEO_DRAW_BITS: bt: %04X\n", bt ); */ \
|
|
if (g_nColorBurstPixels < 2) \
|
|
{ \
|
|
/* #1 of 7 */ \
|
|
ntscMonoPixel(bt & 1); bt >>= 1; \
|
|
ntscMonoPixel(bt & 1); bt >>= 1; \
|
|
/* #2 of 7 */ \
|
|
ntscMonoPixel(bt & 1); bt >>= 1; \
|
|
ntscMonoPixel(bt & 1); bt >>= 1; \
|
|
/* #3 of 7 */ \
|
|
ntscMonoPixel(bt & 1); bt >>= 1; \
|
|
ntscMonoPixel(bt & 1); bt >>= 1; \
|
|
/* #4 of 7 */ \
|
|
ntscMonoPixel(bt & 1); bt >>= 1; \
|
|
ntscMonoPixel(bt & 1); bt >>= 1; \
|
|
/* #5 of 7 */ \
|
|
ntscMonoPixel(bt & 1); bt >>= 1; \
|
|
ntscMonoPixel(bt & 1); bt >>= 1; \
|
|
/* #6 of 7 */ \
|
|
ntscMonoPixel(bt & 1); bt >>= 1; \
|
|
ntscMonoPixel(bt & 1); bt >>= 1; \
|
|
/* #7 of 7 */ \
|
|
ntscMonoPixel(bt & 1); bt >>= 1; \
|
|
ntscMonoPixel(bt & 1); g_nLastColumnPixelNTSC = bt & 1; bt >>= 1;\
|
|
} \
|
|
else \
|
|
{ \
|
|
/* #1 of 7 */ \
|
|
ntscColorPixel(bt & 1); bt >>= 1; \
|
|
ntscColorPixel(bt & 1); bt >>= 1; \
|
|
/* #2 of 7 */ \
|
|
ntscColorPixel(bt & 1); bt >>= 1; \
|
|
ntscColorPixel(bt & 1); bt >>= 1; \
|
|
/* #3 of 7 */ \
|
|
ntscColorPixel(bt & 1); bt >>= 1; \
|
|
ntscColorPixel(bt & 1); bt >>= 1; \
|
|
/* #4 of 7 */ \
|
|
ntscColorPixel(bt & 1); bt >>= 1; \
|
|
ntscColorPixel(bt & 1); bt >>= 1; \
|
|
/* #5 of 7 */ \
|
|
ntscColorPixel(bt & 1); bt >>= 1; \
|
|
ntscColorPixel(bt & 1); bt >>= 1; \
|
|
/* #6 of 7 */ \
|
|
ntscColorPixel(bt & 1); bt >>= 1; \
|
|
ntscColorPixel(bt & 1); bt >>= 1; \
|
|
/* #7 of 7 */ \
|
|
ntscColorPixel(bt & 1); bt >>= 1; \
|
|
ntscColorPixel(bt & 1); g_nLastColumnPixelNTSC = bt & 1; bt >>= 1;\
|
|
} \
|
|
} while(0)
|
|
|
|
inline
|
|
void updateVideoHorzEOL()
|
|
{
|
|
if (VIDEO_SCANNER_MAX_HORZ == ++g_nVideoClockHorz)
|
|
{
|
|
g_nVideoClockHorz = 0;
|
|
if (g_nVideoClockVert < VIDEO_SCANNER_Y_DISPLAY)
|
|
{
|
|
//VIDEO_DRAW_ENDLINE();
|
|
if (g_nColorBurstPixels < 2)
|
|
{
|
|
ntscMonoPixel(g_nLastColumnPixelNTSC);
|
|
ntscMonoPixel(0);
|
|
ntscMonoPixel(0);
|
|
ntscMonoPixel(0);
|
|
}
|
|
else
|
|
{
|
|
ntscColorPixel(g_nLastColumnPixelNTSC);
|
|
ntscColorPixel(0);
|
|
ntscColorPixel(0);
|
|
ntscColorPixel(0);
|
|
}
|
|
}
|
|
|
|
if (++g_nVideoClockVert == VIDEO_SCANNER_MAX_VERT)
|
|
{
|
|
g_nVideoClockVert = 0;
|
|
if (++wsFlashidx == 16)
|
|
{
|
|
wsFlashidx = 0;
|
|
wsFlashmask ^= 0xffff;
|
|
}
|
|
}
|
|
|
|
if (g_nVideoClockVert < VIDEO_SCANNER_Y_DISPLAY)
|
|
{
|
|
vbp0 = wsLines[2*g_nVideoClockVert];
|
|
g_nColorPhaseNTSC = INITIAL_COLOR_PHASE;
|
|
g_nLastColumnPixelNTSC = 0;
|
|
g_nSignalBitsNTSC = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
void wsUpdateVideoText40 (long ticks)
|
|
{
|
|
unsigned ad, bt;
|
|
|
|
for (; ticks; --ticks)
|
|
{
|
|
UpdateVideoAddressTXT();
|
|
|
|
if (g_nVideoClockHorz < 16 && g_nVideoClockHorz >= 12)
|
|
{
|
|
if (g_nColorBurstPixels > 0)
|
|
g_nColorBurstPixels -= 1;
|
|
}
|
|
else if (g_nVideoClockVert < VIDEO_SCANNER_Y_DISPLAY)
|
|
{
|
|
if (g_nVideoClockHorz >= VIDEO_SCANNER_HORZ_START)
|
|
{
|
|
unsigned char * main = MemGetMainPtr(ad);
|
|
|
|
bt = g_aPixelDoubleMaskHGR[(csbits[wsVideoCharSet][main[0]][g_nVideoClockVert & 7]) & 0x7F]; // Optimization: hgrbits second 128 entries are mirror of first 128
|
|
if (0 == wsVideoCharSet && 0x40 == (main[0] & 0xC0))
|
|
bt ^= wsFlashmask;
|
|
VIDEO_DRAW_BITS();
|
|
}
|
|
}
|
|
updateVideoHorzEOL();
|
|
}
|
|
}
|
|
|
|
void wsUpdateVideoText80 (long ticks)
|
|
{
|
|
unsigned int ad, bt, mbt, abt;
|
|
|
|
for (; ticks; --ticks)
|
|
{
|
|
UpdateVideoAddressTXT();
|
|
|
|
if (g_nVideoClockHorz < 16 && g_nVideoClockHorz >= 12)
|
|
{
|
|
if (g_nColorBurstPixels > 0)
|
|
g_nColorBurstPixels -= 1;
|
|
}
|
|
else if (g_nVideoClockVert < VIDEO_SCANNER_Y_DISPLAY)
|
|
{
|
|
if (g_nVideoClockHorz >= VIDEO_SCANNER_HORZ_START)
|
|
{
|
|
unsigned char * aux = MemGetAuxPtr(ad);
|
|
unsigned char * main = MemGetMainPtr(ad);
|
|
|
|
mbt = csbits[wsVideoCharSet][main[0]][g_nVideoClockVert & 7];
|
|
if (0 == wsVideoCharSet && 0x40 == (main[0] & 0xC0)) mbt ^= wsFlashmask;
|
|
|
|
abt = csbits[wsVideoCharSet][aux[0]][g_nVideoClockVert & 7];
|
|
if (0 == wsVideoCharSet && 0x40 == (aux[0] & 0xC0)) abt ^= wsFlashmask;
|
|
|
|
bt = (mbt << 7) | abt;
|
|
VIDEO_DRAW_BITS();
|
|
}
|
|
}
|
|
updateVideoHorzEOL();
|
|
}
|
|
}
|
|
|
|
void wsUpdateVideo7MLores (long ticks)
|
|
{
|
|
unsigned ad, bt;
|
|
|
|
if (wsVideoMixed && g_nVideoClockVert >= VIDEO_SCANNER_Y_MIXED)
|
|
{
|
|
g_pFuncVideoText(ticks);
|
|
return;
|
|
}
|
|
|
|
for (; ticks; --ticks)
|
|
{
|
|
UpdateVideoAddressTXT();
|
|
|
|
if (g_nVideoClockVert < VIDEO_SCANNER_Y_DISPLAY)
|
|
{
|
|
if (g_nVideoClockHorz < 16 && g_nVideoClockHorz >= 12)
|
|
{
|
|
g_nColorBurstPixels = 1024;
|
|
}
|
|
else if (g_nVideoClockHorz >= VIDEO_SCANNER_HORZ_START)
|
|
{
|
|
unsigned char * main = MemGetMainPtr(ad);
|
|
bt = g_aPixelDoubleMaskHGR[(0xFF & grbits[(main[0] >> (g_nVideoClockVert & 4)) & 0xF] >> ((1 - (g_nVideoClockHorz & 1)) * 2)) & 0x7F]; // Optimization: hgrbits
|
|
VIDEO_DRAW_BITS();
|
|
}
|
|
}
|
|
updateVideoHorzEOL();
|
|
}
|
|
}
|
|
|
|
void wsUpdateVideoLores (long ticks)
|
|
{
|
|
unsigned ad, bt;
|
|
|
|
if (wsVideoMixed && g_nVideoClockVert >= VIDEO_SCANNER_Y_MIXED)
|
|
{
|
|
g_pFuncVideoText(ticks);
|
|
return;
|
|
}
|
|
|
|
for (; ticks; --ticks)
|
|
{
|
|
UpdateVideoAddressTXT();
|
|
|
|
if (g_nVideoClockVert < VIDEO_SCANNER_Y_DISPLAY)
|
|
{
|
|
if ((g_nVideoClockHorz < 16) && (g_nVideoClockHorz >= 12))
|
|
{
|
|
g_nColorBurstPixels = 1024;
|
|
}
|
|
else if (g_nVideoClockHorz >= VIDEO_SCANNER_HORZ_START)
|
|
{
|
|
unsigned char * main = MemGetMainPtr(ad);
|
|
bt = grbits[(main[0] >> (g_nVideoClockVert & 4)) & 0xF] >> ((1 - (g_nVideoClockHorz & 1)) * 2);
|
|
VIDEO_DRAW_BITS();
|
|
}
|
|
}
|
|
updateVideoHorzEOL();
|
|
}
|
|
}
|
|
|
|
void wsUpdateVideoDblLores (long ticks)
|
|
{
|
|
unsigned ad, bt, abt, mbt;
|
|
|
|
if (wsVideoMixed && g_nVideoClockVert >= VIDEO_SCANNER_Y_MIXED)
|
|
{
|
|
g_pFuncVideoText(ticks);
|
|
return;
|
|
}
|
|
|
|
for (; ticks; --ticks)
|
|
{
|
|
UpdateVideoAddressTXT();
|
|
|
|
if (g_nVideoClockVert < VIDEO_SCANNER_Y_DISPLAY)
|
|
{
|
|
if ((g_nVideoClockHorz < 16) && (g_nVideoClockHorz >= 12))
|
|
{
|
|
g_nColorBurstPixels = 1024;
|
|
}
|
|
else if (g_nVideoClockHorz >= VIDEO_SCANNER_HORZ_START)
|
|
{
|
|
unsigned char * aux = MemGetAuxPtr(ad);
|
|
unsigned char * main = MemGetMainPtr(ad);
|
|
|
|
abt = grbits[(aux [0] >> (g_nVideoClockVert & 4)) & 0xF] >> (((1 - (g_nVideoClockHorz & 1)) * 2) + 3);
|
|
mbt = grbits[(main[0] >> (g_nVideoClockVert & 4)) & 0xF] >> (((1 - (g_nVideoClockHorz & 1)) * 2) + 3);
|
|
bt = (mbt << 7) | (abt & 0x7f);
|
|
|
|
VIDEO_DRAW_BITS();
|
|
g_nLastColumnPixelNTSC = bt & 1;
|
|
}
|
|
}
|
|
updateVideoHorzEOL();
|
|
}
|
|
}
|
|
|
|
void wsUpdateVideoDblHires (long ticks)
|
|
{
|
|
unsigned ad, bt;
|
|
|
|
if (wsVideoMixed && g_nVideoClockVert >= VIDEO_SCANNER_Y_MIXED)
|
|
{
|
|
g_pFuncVideoText(ticks);
|
|
return;
|
|
}
|
|
|
|
for (; ticks; --ticks)
|
|
{
|
|
UpdateVideoAddressHGR();
|
|
|
|
if (g_nVideoClockVert < VIDEO_SCANNER_Y_DISPLAY)
|
|
{
|
|
if ((g_nVideoClockHorz < 16) && (g_nVideoClockHorz >= 12))
|
|
{
|
|
g_nColorBurstPixels = 1024;
|
|
}
|
|
else if (g_nVideoClockHorz >= VIDEO_SCANNER_HORZ_START)
|
|
{
|
|
unsigned char * aux = MemGetAuxPtr(ad);
|
|
unsigned char * main = MemGetMainPtr(ad);
|
|
|
|
bt = ((main[0] & 0x7f) << 7) | (aux[0] & 0x7f);
|
|
bt = (bt << 1) | g_nLastColumnPixelNTSC;
|
|
VIDEO_DRAW_BITS();
|
|
g_nLastColumnPixelNTSC = bt & 1;
|
|
}
|
|
}
|
|
updateVideoHorzEOL();
|
|
}
|
|
}
|
|
|
|
void wsUpdateVideoHires (long ticks)
|
|
{
|
|
unsigned ad, bt;
|
|
|
|
if (wsVideoMixed && g_nVideoClockVert >= VIDEO_SCANNER_Y_MIXED)
|
|
{
|
|
g_pFuncVideoText(ticks);
|
|
return;
|
|
}
|
|
|
|
for (; ticks; --ticks)
|
|
{
|
|
UpdateVideoAddressHGR();
|
|
|
|
if (g_nVideoClockVert < VIDEO_SCANNER_Y_DISPLAY)
|
|
{
|
|
if ((g_nVideoClockHorz < 16) && (g_nVideoClockHorz >= 12))
|
|
{
|
|
g_nColorBurstPixels = 1024;
|
|
}
|
|
else if (g_nVideoClockHorz >= VIDEO_SCANNER_HORZ_START)
|
|
{
|
|
unsigned char * main = MemGetMainPtr(ad);
|
|
|
|
bt = g_aPixelDoubleMaskHGR[main[0] & 0x7F]; // Optimization: hgrbits second 128 entries are mirror of first 128
|
|
if (main[0] & 0x80)
|
|
bt = (bt << 1) | g_nLastColumnPixelNTSC;
|
|
VIDEO_DRAW_BITS();
|
|
}
|
|
}
|
|
updateVideoHorzEOL();
|
|
}
|
|
}
|
|
|
|
void wsUpdateVideoHires0 (long ticks)
|
|
{
|
|
unsigned ad, bt;
|
|
|
|
if (wsVideoMixed && g_nVideoClockVert >= VIDEO_SCANNER_Y_MIXED)
|
|
{
|
|
g_pFuncVideoText(ticks);
|
|
return;
|
|
}
|
|
|
|
for (; ticks; --ticks)
|
|
{
|
|
UpdateVideoAddressHGR();
|
|
|
|
if (g_nVideoClockVert < VIDEO_SCANNER_Y_DISPLAY)
|
|
{
|
|
if ((g_nVideoClockHorz < 16) && (g_nVideoClockHorz >= 12))
|
|
{
|
|
g_nColorBurstPixels = 1024;
|
|
}
|
|
else if (g_nVideoClockHorz >= VIDEO_SCANNER_HORZ_START)
|
|
{
|
|
unsigned char * main = MemGetMainPtr(ad);
|
|
bt = g_aPixelDoubleMaskHGR[main[0] & 0x7F]; // Optimization: hgrbits second 128 entries are mirror of first 128
|
|
VIDEO_DRAW_BITS();
|
|
}
|
|
}
|
|
updateVideoHorzEOL();
|
|
}
|
|
}
|
|
|
|
void (* g_pFuncVideoText )(long) = wsUpdateVideoText40;
|
|
void (* g_pFuncVideoUpdate)(long) = wsUpdateVideoText40;
|