/********************************************************************** Atari Video Computer System controller port emulation Copyright MESS Team. Visit http://mamedev.org for licensing and usage restrictions. **********************************************************************/ #include "machine/vcsctrl.h" //************************************************************************** // GLOBAL VARIABLES //************************************************************************** const device_type VCS_CONTROL_PORT = &device_creator; //************************************************************************** // CARD INTERFACE //************************************************************************** //------------------------------------------------- // device_vcs_control_port_interface - constructor //------------------------------------------------- device_vcs_control_port_interface::device_vcs_control_port_interface(const machine_config &mconfig, device_t &device) : device_slot_card_interface(mconfig,device) { m_port = dynamic_cast(device.owner()); } //------------------------------------------------- // ~device_vcs_control_port_interface - destructor //------------------------------------------------- device_vcs_control_port_interface::~device_vcs_control_port_interface() { } //************************************************************************** // LIVE DEVICE //************************************************************************** //------------------------------------------------- // vcs_control_port_device - constructor //------------------------------------------------- vcs_control_port_device::vcs_control_port_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) : device_t(mconfig, VCS_CONTROL_PORT, "Atari VCS control port", tag, owner, clock), device_slot_interface(mconfig, *this), m_trigger_handler(*this) { } //------------------------------------------------- // vcs_control_port_device - destructor //------------------------------------------------- vcs_control_port_device::~vcs_control_port_device() { } //------------------------------------------------- // device_start - device-specific startup //------------------------------------------------- void vcs_control_port_device::device_start() { m_device = dynamic_cast(get_card_device()); m_trigger_handler.resolve_safe(); } UINT8 vcs_control_port_device::joy_r() { UINT8 data = 0xff; if (exists()) data = m_device->vcs_joy_r(); return data; } READ8_MEMBER( vcs_control_port_device::joy_r ) { return joy_r(); } UINT8 vcs_control_port_device::pot_x_r() { UINT8 data = 0xff; if (exists()) data = m_device->vcs_pot_x_r(); return data; } READ8_MEMBER( vcs_control_port_device::pot_x_r ) { return pot_x_r(); } UINT8 vcs_control_port_device::pot_y_r() { UINT8 data = 0xff; if (exists()) data = m_device->vcs_pot_y_r(); return data; } READ8_MEMBER( vcs_control_port_device::pot_y_r ) { return pot_y_r(); } void vcs_control_port_device::joy_w( UINT8 data ) { if ( exists() ) m_device->vcs_joy_w( data ); } WRITE8_MEMBER( vcs_control_port_device::joy_w ) { joy_w(data); } bool vcs_control_port_device::exists() { return m_device != NULL; } bool vcs_control_port_device::has_pot_x() { return exists() && m_device->has_pot_x(); } bool vcs_control_port_device::has_pot_y() { return exists() && m_device->has_pot_y(); } void vcs_control_port_device::trigger_w(int state) { m_trigger_handler(state); } //------------------------------------------------- // SLOT_INTERFACE( vcs_control_port_devices ) //------------------------------------------------- SLOT_INTERFACE_START( vcs_control_port_devices ) SLOT_INTERFACE("joy", VCS_JOYSTICK) SLOT_INTERFACE("pad", VCS_PADDLES) SLOT_INTERFACE("lp", VCS_LIGHTPEN) SLOT_INTERFACE("joybstr", VCS_JOYSTICK_BOOSTER) SLOT_INTERFACE("wheel", VCS_WHEEL) SLOT_INTERFACE("keypad", VCS_KEYPAD) SLOT_INTERFACE_END