/********************************************************************** Atari Video Computer System controller port emulation Copyright MESS Team. Visit http://mamedev.org for licensing and usage restrictions. ********************************************************************** **********************************************************************/ #pragma once #ifndef __VCS_CONTROL_PORT__ #define __VCS_CONTROL_PORT__ #include "emu.h" //************************************************************************** // INTERFACE CONFIGURATION MACROS //************************************************************************** #define MCFG_VCS_CONTROL_PORT_ADD(_tag, _slot_intf, _def_slot) \ MCFG_DEVICE_ADD(_tag, VCS_CONTROL_PORT, 0) \ MCFG_DEVICE_SLOT_INTERFACE(_slot_intf, _def_slot, false) #define MCFG_VCS_CONTROL_PORT_TRIGGER_HANDLER(_devcb) \ devcb = &vcs_control_port_device::set_trigger_handler(*device, DEVCB2_##_devcb); //************************************************************************** // TYPE DEFINITIONS //************************************************************************** // ======================> vcs_control_port_device class device_vcs_control_port_interface; class vcs_control_port_device : public device_t, public device_slot_interface { public: // construction/destruction vcs_control_port_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); virtual ~vcs_control_port_device(); // static configuration helpers template static devcb2_base &set_trigger_handler(device_t &device, _Object object) { return downcast(device).m_trigger_handler.set_callback(object); } // computer interface // Data returned by the joy_r methods: // bit 0 - pin 1 - Up // bit 1 - pin 2 - Down // bit 2 - pin 3 - Left // bit 3 - pin 4 - Right // bit 4 - pin 5 - // bit 5 - pin 6 - Button // pin 7 - +5V // pin 8 - GND // bit 6 - pin 9 - // UINT8 joy_r(); DECLARE_READ8_MEMBER( joy_r ); UINT8 pot_x_r(); DECLARE_READ8_MEMBER( pot_x_r ); UINT8 pot_y_r(); DECLARE_READ8_MEMBER( pot_y_r ); void joy_w( UINT8 data ); DECLARE_WRITE8_MEMBER( joy_w ); bool exists(); bool has_pot_x(); bool has_pot_y(); void trigger_w(int state); protected: // device-level overrides virtual void device_start(); device_vcs_control_port_interface *m_device; private: devcb2_write_line m_trigger_handler; }; // ======================> device_vcs_control_port_interface // class representing interface-specific live vcs_expansion card class device_vcs_control_port_interface : public device_slot_card_interface { public: // construction/destruction device_vcs_control_port_interface(const machine_config &mconfig, device_t &device); virtual ~device_vcs_control_port_interface(); virtual UINT8 vcs_joy_r() { return 0xff; }; virtual UINT8 vcs_pot_x_r() { return 0xff; }; virtual UINT8 vcs_pot_y_r() { return 0xff; }; virtual void vcs_joy_w(UINT8 data) { }; virtual bool has_pot_x() { return false; } virtual bool has_pot_y() { return false; } protected: vcs_control_port_device *m_port; }; // device type definition extern const device_type VCS_CONTROL_PORT; // slot devices #include "machine/vcs_joy.h" #include "machine/vcs_lightpen.h" #include "machine/vcs_paddles.h" #include "machine/vcs_joybooster.h" #include "machine/vcs_wheel.h" #include "machine/vcs_keypad.h" SLOT_INTERFACE_EXTERN( vcs_control_port_devices ); #endif