diff options
Diffstat (limited to 'src/devices/bus/a2gameio/joystick.cpp')
-rw-r--r-- | src/devices/bus/a2gameio/joystick.cpp | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/src/devices/bus/a2gameio/joystick.cpp b/src/devices/bus/a2gameio/joystick.cpp new file mode 100644 index 00000000000..02f256c8303 --- /dev/null +++ b/src/devices/bus/a2gameio/joystick.cpp @@ -0,0 +1,133 @@ +// license:BSD-3-Clause +// copyright-holders:R. Belmont +/********************************************************************* + + Apple II analog joysticks + +*********************************************************************/ + +#include "emu.h" +#include "bus/a2gameio/joystick.h" + +//************************************************************************** +// GLOBAL VARIABLES +//************************************************************************** + +// device type definition +DEFINE_DEVICE_TYPE(APPLE2_JOYSTICK, apple2_joystick_device, "a2joy", "Apple II analog joysticks") + +//************************************************************************** +// 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_CODE_DEC(KEYCODE_4_PAD) PORT_CODE_INC(KEYCODE_6_PAD) + PORT_CODE_DEC(JOYCODE_X_LEFT_SWITCH) PORT_CODE_INC(JOYCODE_X_RIGHT_SWITCH) + + 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_CODE_DEC(KEYCODE_8_PAD) PORT_CODE_INC(KEYCODE_2_PAD) + PORT_CODE_DEC(JOYCODE_Y_UP_SWITCH) PORT_CODE_INC(JOYCODE_Y_DOWN_SWITCH) + + 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_CODE_DEC(JOYCODE_X_LEFT_SWITCH) PORT_CODE_INC(JOYCODE_X_RIGHT_SWITCH) + + 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_CODE_DEC(JOYCODE_Y_UP_SWITCH) PORT_CODE_INC(JOYCODE_Y_DOWN_SWITCH) + + 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_x[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); +} |