1 //============================================================================
2 //
3 // SSSS tt lll lll
4 // SS SS tt ll ll
5 // SS tttttt eeee ll ll aaaa
6 // SSSS tt ee ee ll ll aa
7 // SS tt eeeeee ll ll aaaaa -- "An Atari 2600 VCS Emulator"
8 // SS SS tt ee ll ll aa aa
9 // SSSS ttt eeeee llll llll aaaaa
10 //
11 // Copyright (c) 1995-2021 by Bradford W. Mott, Stephen Anthony
12 // and the Stella Team
13 //
14 // See the file "License.txt" for information on usage and redistribution of
15 // this file, and for a DISCLAIMER OF ALL WARRANTIES.
16 //============================================================================
17
18 #include "Event.hxx"
19 #include "MindLink.hxx"
20
21 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
MindLink(Jack jack,const Event & event,const System & system)22 MindLink::MindLink(Jack jack, const Event& event, const System& system)
23 : Controller(jack, event, system, Controller::Type::MindLink)
24 {
25 }
26
27 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
update()28 void MindLink::update()
29 {
30 setPin(DigitalPin::One, true);
31 setPin(DigitalPin::Two, true);
32 setPin(DigitalPin::Three, true);
33 setPin(DigitalPin::Four, true);
34
35 if(!myMouseEnabled)
36 return;
37
38 myMindlinkPos = BSPF::clamp((myMindlinkPos & ~CALIBRATE_FLAG) +
39 myEvent.get(Event::MouseAxisXMove) * MOUSE_SENSITIVITY,
40 MIN_POS, MAX_POS);
41
42 if(myEvent.get(Event::MouseButtonLeftValue) ||
43 myEvent.get(Event::MouseButtonRightValue))
44 myMindlinkPos = CALIBRATE_FLAG; // flag starts game & calibates
45
46 myMindlinkShift = 1; // start transfer with least significant bit
47 nextMindlinkBit();
48 }
49
50 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
nextMindlinkBit()51 void MindLink::nextMindlinkBit()
52 {
53 if(getPin(DigitalPin::One))
54 {
55 setPin(DigitalPin::Three, false);
56 setPin(DigitalPin::Four, false);
57 if(myMindlinkPos & myMindlinkShift)
58 setPin(DigitalPin::Four, true);
59 myMindlinkShift <<= 1; // next bit
60 }
61 }
62
63 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
setMouseControl(Controller::Type xtype,int xid,Controller::Type ytype,int yid)64 bool MindLink::setMouseControl(
65 Controller::Type xtype, int xid, Controller::Type ytype, int yid)
66 {
67 // Currently, the mindlink takes full control of the mouse, but only ever
68 // uses the x-axis, and both mouse buttons for the single mindlink button
69 // As well, there's no separate setting for x and y axis, so any
70 // combination of Controller and id is valid
71 myMouseEnabled = (xtype == myType || ytype == myType) &&
72 (xid != -1 || yid != -1);
73 return true;
74 }
75
76