mirror of https://github.com/stella-emu/stella.git
82 lines
2.6 KiB
C++
82 lines
2.6 KiB
C++
//============================================================================
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//
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// SSSS tt lll lll
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// SS SS tt ll ll
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// SS tttttt eeee ll ll aaaa
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// SSSS tt ee ee ll ll aa
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// SS tt eeeeee ll ll aaaaa -- "An Atari 2600 VCS Emulator"
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// SS SS tt ee ll ll aa aa
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// SSSS ttt eeeee llll llll aaaaa
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//
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// Copyright (c) 1995-2020 by Bradford W. Mott, Stephen Anthony
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// and the Stella Team
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//
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// See the file "License.txt" for information on usage and redistribution of
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// this file, and for a DISCLAIMER OF ALL WARRANTIES.
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//============================================================================
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#include "Event.hxx"
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#include "MindLink.hxx"
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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MindLink::MindLink(Jack jack, const Event& event, const System& system)
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: Controller(jack, event, system, Controller::Type::MindLink)
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{
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setPin(DigitalPin::One, true);
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setPin(DigitalPin::Two, true);
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setPin(DigitalPin::Three, true);
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setPin(DigitalPin::Four, true);
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}
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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void MindLink::update()
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{
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setPin(DigitalPin::One, true);
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setPin(DigitalPin::Two, true);
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setPin(DigitalPin::Three, true);
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setPin(DigitalPin::Four, true);
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if(!myMouseEnabled)
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return;
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myMindlinkPos = (myMindlinkPos & 0x3fffffff) +
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(myEvent.get(Event::MouseAxisXMove) << 3);
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if(myMindlinkPos < 0x2800)
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myMindlinkPos = 0x2800;
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if(myMindlinkPos >= 0x3800)
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myMindlinkPos = 0x3800;
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myMindlinkShift = 1;
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nextMindlinkBit();
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if(myEvent.get(Event::MouseButtonLeftValue) ||
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myEvent.get(Event::MouseButtonRightValue))
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myMindlinkPos |= 0x4000; // this bit starts a game
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}
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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void MindLink::nextMindlinkBit()
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{
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if(getPin(DigitalPin::One))
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{
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setPin(DigitalPin::Three, false);
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setPin(DigitalPin::Four, false);
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if(myMindlinkPos & myMindlinkShift)
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setPin(DigitalPin::Four, true);
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myMindlinkShift <<= 1;
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}
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}
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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bool MindLink::setMouseControl(
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Controller::Type xtype, int xid, Controller::Type ytype, int yid)
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{
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// Currently, the mindlink takes full control of the mouse, but only ever
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// uses the x-axis, and both mouse buttons for the single mindlink button
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// As well, there's no separate setting for x and y axis, so any
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// combination of Controller and id is valid
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myMouseEnabled = (xtype == myType || ytype == myType) &&
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(xid != -1 || yid != -1);
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return true;
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}
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