69 lines
2.1 KiB
C++
69 lines
2.1 KiB
C++
/*
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epple2
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Copyright (C) 2008 by Christopher A. Mosher <cmosher01@gmail.com>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY, without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef PICTUREGENERATOR_H
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#define PICTUREGENERATOR_H
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#include "applentsc.h"
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class AnalogTV;
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class VideoMode;
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class PictureGenerator
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{
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private:
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AnalogTV& display;
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VideoMode& mode;
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unsigned char latchGraphics;
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bool d7;
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unsigned char latchText;
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unsigned int hpos;
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unsigned int line;
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bool lasthires;
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static const signed char lutCB[];
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signed char testsig[AppleNTSC::SIGNAL_LEN];
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signed char* itestsig;
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signed char* itestsiglim;
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void shiftLoRes();
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void shiftHiRes();
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void shiftText();
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bool getTextBit();
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bool getHiResBit();
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bool getLoResBit(const bool odd, const bool vc);
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void loadGraphics(const unsigned char value);
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void loadText(const int value);
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bool shiftLatch(const int t, const int cycle, const bool isText, const bool isHiRes);
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signed char* writeVideoSignal(const bool shift, const bool showLastHiRes, const int firstBlankedCycle, const int cycle, const int hcycle, const bool bit, const bool lineVis, const bool hVis, signed char* is);
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signed char vbl(const int hcycle);
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signed char hbl(const int hcycle);
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const unsigned int VISIBLE_X_OFFSET;
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const int& revision;
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public:
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PictureGenerator(AnalogTV& display, VideoMode& mode, const int& revision);
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~PictureGenerator();
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void powerOn();
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void tick(const int t, const unsigned char c);
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};
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#endif
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