1 // license:BSD-3-Clause
2 // copyright-holders:Carl
3 /*************************************************************************
4 *
5 * pc_joy.h
6 *
7 * joystick port
8 *
9 *************************************************************************/
10
11 #ifndef MAME_BUS_PC_JOY_PC_JOY_H
12 #define MAME_BUS_PC_JOY_PC_JOY_H
13
14 #pragma once
15
16
17 void pc_joysticks(device_slot_interface &device);
18
19 class device_pc_joy_interface : public device_interface
20 {
21 public:
22 virtual ~device_pc_joy_interface();
23
x1(int delta)24 virtual uint8_t x1(int delta) { return 0; }
x2(int delta)25 virtual uint8_t x2(int delta) { return 0; }
y1(int delta)26 virtual uint8_t y1(int delta) { return 0; }
y2(int delta)27 virtual uint8_t y2(int delta) { return 0; }
btn()28 virtual uint8_t btn() { return 0xf; }
port_write()29 virtual void port_write() { }
30
31 protected:
32 device_pc_joy_interface(const machine_config &mconfig, device_t &device);
33 };
34
35 class pc_joy_device : public device_t, public device_single_card_slot_interface<device_pc_joy_interface>
36 {
37 public:
38 pc_joy_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock = 0);
39
40 uint8_t joy_port_r();
41 void joy_port_w(uint8_t data);
42
43 protected:
device_start()44 virtual void device_start() override { m_stime = machine().time(); }
45 virtual void device_config_complete() override;
46
47 private:
48 attotime m_stime;
49 device_pc_joy_interface *m_dev;
50 };
51
DECLARE_DEVICE_TYPE(PC_JOY,pc_joy_device)52 DECLARE_DEVICE_TYPE(PC_JOY, pc_joy_device)
53
54 class pc_basic_joy_device : public device_t,
55 public device_pc_joy_interface
56 {
57 public:
58 pc_basic_joy_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock = 0);
59 virtual ioport_constructor device_input_ports() const override;
60
61 virtual uint8_t x1(int delta) override { return (m_x1->read() > delta); }
62 virtual uint8_t x2(int delta) override { return (m_x2->read() > delta); }
63 virtual uint8_t y1(int delta) override { return (m_y1->read() > delta); }
64 virtual uint8_t y2(int delta) override { return (m_y2->read() > delta); }
65 virtual uint8_t btn() override { return m_btn->read(); }
66
67 protected:
68 virtual void device_start() override { }
69
70 private:
71 required_ioport m_btn;
72 required_ioport m_x1;
73 required_ioport m_y1;
74 required_ioport m_x2;
75 required_ioport m_y2;
76 };
77
78 #endif // MAME_BUS_PC_JOY_PC_JOY_H
79