OXYGENHUB
◆ main openmsx / src / input / CircuitDesignerRDDongle.cc
1.5 KiB · C++ · last changed chore(): initial commit 1 month ago source blame history raw
1 
#include "CircuitDesignerRDDongle.hh"
2
3 
#include "serialize.hh"
4 
#include "serialize_meta.hh"
5
6 
/*
7 
 The circuit designer RD dongle is a simple dongle that is used to protect the software.
8 
 It needs to be plugged in Joystick port B, when it's not plugged in the software will
9 
 add a reset command to the BLOAD hook which will reset the MSX.
10
11 
     Pin 1 = Up
12 
     Pin 6 = Button A
13 
     Pin 7 = Button B
14
15 
     Output  Input
16 
     pin|pin|Pin (Up)
17 
     7 | 6 | 1
18 
     -----------------
19 
     0 | 0 | 0
20 
     0 | 1 | 1
21 
     1 | 0 | 0
22 
     1 | 1 | 0
23 
*/
24
25 
namespace openmsx {
26
27 
// Pluggable
28 
zstring_view CircuitDesignerRDDongle::getName() const
29 
{
30 
	return "circuit-designer-rd-dongle";
31 
}
32
33 
zstring_view CircuitDesignerRDDongle::getDescription() const
34 
{
35 
	return "Circuit Designer RD dongle";
36 
}
37
38 
void CircuitDesignerRDDongle::plugHelper(
39 
	Connector& /*connector*/, EmuTime /*time*/)
40 
{
41 
}
42
43 
void CircuitDesignerRDDongle::unplugHelper(EmuTime /*time*/)
44 
{
45 
}
46
47
48 
// JoystickDevice
49 
uint8_t CircuitDesignerRDDongle::read(EmuTime /*time*/)
50 
{
51 
	return status;
52 
}
53
54 
void CircuitDesignerRDDongle::write(uint8_t value, EmuTime /*time*/)
55 
{
56 
	if (!(value & WR_PIN7) && (value & WR_PIN6)) {
57 
		status |=  JOY_UP;
58 
	} else {
59 
		status &= ~JOY_UP;
60 
	}
61 
}
62
63 
template<typename Archive>
64 
void CircuitDesignerRDDongle::serialize(Archive& /*ar*/, unsigned /*version*/)
65 
{
66 
	// no need to serialize 'status', port will anyway be re-written
67 
	// on de-serialize
68 
}
69 
INSTANTIATE_SERIALIZE_METHODS(CircuitDesignerRDDongle);
70 
REGISTER_POLYMORPHIC_INITIALIZER(Pluggable, CircuitDesignerRDDongle, "CircuitDesignerRDDongle");
71
72 
} // namespace openmsx