mirror of
https://github.com/holub/mame
synced 2025-05-04 21:43:05 +03:00
127 lines
3.5 KiB
C++
127 lines
3.5 KiB
C++
/**********************************************************************
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Sega Master System controller port emulation
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Copyright MESS Team.
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Visit http://mamedev.org for licensing and usage restrictions.
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**********************************************************************
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**********************************************************************/
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#pragma once
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#ifndef __SMS_CONTROL_PORT__
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#define __SMS_CONTROL_PORT__
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#include "emu.h"
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//**************************************************************************
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// INTERFACE CONFIGURATION MACROS
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//**************************************************************************
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#define MCFG_SMS_CONTROL_PORT_ADD(_tag, _slot_intf, _def_slot) \
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MCFG_DEVICE_ADD(_tag, SMS_CONTROL_PORT, 0) \
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MCFG_DEVICE_SLOT_INTERFACE(_slot_intf, _def_slot, false)
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#define MCFG_SMS_CONTROL_PORT_MODIFY(_tag) \
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MCFG_DEVICE_MODIFY(_tag)
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#define MCFG_SMS_CONTROL_PORT_TH_INPUT_HANDLER(_devcb) \
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devcb = &sms_control_port_device::set_th_input_handler(*device, DEVCB2_##_devcb);
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#define MCFG_SMS_CONTROL_PORT_PIXEL_HANDLER(_devcb) \
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devcb = &sms_control_port_device::set_pixel_handler(*device, DEVCB2_##_devcb);
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//**************************************************************************
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// TYPE DEFINITIONS
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//**************************************************************************
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// ======================> sms_control_port_device
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class device_sms_control_port_interface;
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class sms_control_port_device : public device_t,
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public device_slot_interface
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{
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public:
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// construction/destruction
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sms_control_port_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
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virtual ~sms_control_port_device();
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// static configuration helpers
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template<class _Object> static devcb2_base &set_th_input_handler(device_t &device, _Object object) { return downcast<sms_control_port_device &>(device).m_th_pin_handler.set_callback(object); }
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template<class _Object> static devcb2_base &set_pixel_handler(device_t &device, _Object object) { return downcast<sms_control_port_device &>(device).m_pixel_handler.set_callback(object); }
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// Physical DE-9 connector interface
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// Data returned by the port_r methods:
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// bit 0 - pin 1 - Up
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// bit 1 - pin 2 - Down
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// bit 2 - pin 3 - Left
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// bit 3 - pin 4 - Right
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// bit 4 - pin 5 - Vcc (no data)
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// bit 5 - pin 6 - TL (Button 1/Light Phaser Trigger)
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// bit 6 - pin 7 - TH (Light Phaser sensor)
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// pin 8 - GND
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// bit 7 - pin 9 - TR (Button 2)
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//
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UINT8 port_r();
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void port_w( UINT8 data );
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void th_pin_w(int state);
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UINT32 pixel_r();
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//protected:
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// device-level overrides
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virtual void device_start();
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device_sms_control_port_interface *m_device;
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private:
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devcb2_write_line m_th_pin_handler;
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devcb2_read32 m_pixel_handler;
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};
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// ======================> device_sms_control_port_interface
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// class representing interface-specific live sms_expansion card
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class device_sms_control_port_interface : public device_slot_card_interface
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{
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public:
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// construction/destruction
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device_sms_control_port_interface(const machine_config &mconfig, device_t &device);
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virtual ~device_sms_control_port_interface();
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virtual UINT8 peripheral_r() { return 0xff; };
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virtual void peripheral_w(UINT8 data) { };
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protected:
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sms_control_port_device *m_port;
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};
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// device type definition
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extern const device_type SMS_CONTROL_PORT;
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// slot devices
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#include "machine/sms_joypad.h"
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#include "machine/sms_lphaser.h"
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#include "machine/sms_paddle.h"
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#include "machine/sms_sports.h"
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#include "machine/sms_rfu.h"
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SLOT_INTERFACE_EXTERN( sms_control_port_devices );
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#endif
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