// license:BSD-3-Clause // copyright-holders:R. Belmont /********************************************************************* Apple II analog joysticks *********************************************************************/ #include "emu.h" #include "bus/a2gameio/joystick.h" namespace { // ======================> apple2_joystick_device class apple2_joystick_device : public device_t, public device_a2gameio_interface { public: // construction/destruction apple2_joystick_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock); protected: // device-level overrides virtual ioport_constructor device_input_ports() const override; virtual void device_start() override; // device_a2gameio_interface overrides virtual u8 pdl0_r() override; virtual u8 pdl1_r() override; virtual u8 pdl2_r() override; virtual u8 pdl3_r() override; virtual DECLARE_READ_LINE_MEMBER(sw0_r) override; virtual DECLARE_READ_LINE_MEMBER(sw1_r) override; virtual DECLARE_READ_LINE_MEMBER(sw2_r) override; virtual DECLARE_READ_LINE_MEMBER(sw3_r) override; private: // input ports required_ioport_array<2> m_joy_x; required_ioport_array<2> m_joy_y; required_ioport m_buttons; }; //************************************************************************** // PARAMETERS //************************************************************************** #define JOYSTICK_DELTA 80 #define JOYSTICK_SENSITIVITY 50 #define JOYSTICK_AUTOCENTER 80 //************************************************************************** // INPUT PORTS //************************************************************************** static INPUT_PORTS_START( apple2_joystick ) PORT_START("joystick_1_x") /* Joystick 1 X Axis */ PORT_BIT( 0xff, 0x80, IPT_AD_STICK_X) PORT_NAME("P1 Joystick X") PORT_SENSITIVITY(JOYSTICK_SENSITIVITY) PORT_KEYDELTA(JOYSTICK_DELTA) PORT_CENTERDELTA(JOYSTICK_AUTOCENTER) PORT_MINMAX(0,0xff) PORT_PLAYER(1) PORT_START("joystick_1_y") /* Joystick 1 Y Axis */ PORT_BIT( 0xff, 0x80, IPT_AD_STICK_Y) PORT_NAME("P1 Joystick Y") PORT_SENSITIVITY(JOYSTICK_SENSITIVITY) PORT_KEYDELTA(JOYSTICK_DELTA) PORT_CENTERDELTA(JOYSTICK_AUTOCENTER) PORT_MINMAX(0,0xff) PORT_PLAYER(1) PORT_START("joystick_2_x") /* Joystick 2 X Axis */ PORT_BIT( 0xff, 0x80, IPT_AD_STICK_X) PORT_NAME("P2 Joystick X") PORT_SENSITIVITY(JOYSTICK_SENSITIVITY) PORT_KEYDELTA(JOYSTICK_DELTA) PORT_CENTERDELTA(JOYSTICK_AUTOCENTER) PORT_MINMAX(0,0xff) PORT_PLAYER(2) PORT_START("joystick_2_y") /* Joystick 2 Y Axis */ PORT_BIT( 0xff, 0x80, IPT_AD_STICK_Y) PORT_NAME("P2 Joystick Y") PORT_SENSITIVITY(JOYSTICK_SENSITIVITY) PORT_KEYDELTA(JOYSTICK_DELTA) PORT_CENTERDELTA(JOYSTICK_AUTOCENTER) PORT_MINMAX(0,0xff) PORT_PLAYER(2) PORT_START("joystick_buttons") PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_BUTTON1) PORT_PLAYER(1) PORT_CODE(KEYCODE_0_PAD) PORT_CODE(JOYCODE_BUTTON1) PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_BUTTON2) PORT_PLAYER(1) PORT_CODE(KEYCODE_ENTER_PAD)PORT_CODE(JOYCODE_BUTTON2) PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_BUTTON1) PORT_PLAYER(2) PORT_CODE(JOYCODE_BUTTON1) PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_BUTTON2) PORT_PLAYER(2) PORT_CODE(JOYCODE_BUTTON2) INPUT_PORTS_END //************************************************************************** // DEVICE IMPLEMENTATION //************************************************************************** apple2_joystick_device::apple2_joystick_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock) : device_t(mconfig, APPLE2_JOYSTICK, tag, owner, clock) , device_a2gameio_interface(mconfig, *this) , m_joy_x(*this, "joystick_%u_x", 1U) , m_joy_y(*this, "joystick_%u_y", 1U) , m_buttons(*this, "joystick_buttons") { } ioport_constructor apple2_joystick_device::device_input_ports() const { return INPUT_PORTS_NAME(apple2_joystick); } void apple2_joystick_device::device_start() { } u8 apple2_joystick_device::pdl0_r() { return m_joy_x[0]->read(); } u8 apple2_joystick_device::pdl1_r() { return m_joy_y[0]->read(); } u8 apple2_joystick_device::pdl2_r() { return m_joy_x[1]->read(); } u8 apple2_joystick_device::pdl3_r() { return m_joy_y[1]->read(); } READ_LINE_MEMBER(apple2_joystick_device::sw0_r) { return BIT(m_buttons->read(), 4); } READ_LINE_MEMBER(apple2_joystick_device::sw1_r) { return BIT(m_buttons->read(), 5); } READ_LINE_MEMBER(apple2_joystick_device::sw2_r) { return BIT(m_buttons->read(), 6); } READ_LINE_MEMBER(apple2_joystick_device::sw3_r) { return BIT(m_buttons->read(), 7); } } // anonymous namespace //************************************************************************** // GLOBAL VARIABLES //************************************************************************** // device type definition DEFINE_DEVICE_TYPE_PRIVATE(APPLE2_JOYSTICK, device_a2gameio_interface, apple2_joystick_device, "a2joy", "Apple II analog joysticks")