diff --git a/src/emu/bus/gamegear/gear2gear.c b/src/emu/bus/gamegear/gear2gear.c new file mode 100644 index 00000000000..fe4975b5394 --- /dev/null +++ b/src/emu/bus/gamegear/gear2gear.c @@ -0,0 +1,120 @@ +/********************************************************************** + + Sega Game Gear "Gear to Gear Port" emulation + + Copyright MESS Team. + Visit http://mamedev.org for licensing and usage restrictions. + +**********************************************************************/ + +#include "gear2gear.h" +// slot devices +#include "smsctrladp.h" + + + +//************************************************************************** +// GLOBAL VARIABLES +//************************************************************************** + +const device_type GG_GEAR2GEAR_PORT = &device_creator; + + + +//************************************************************************** +// CARD INTERFACE +//************************************************************************** + +//------------------------------------------------- +// device_gg_gear2gear_port_interface - constructor +//------------------------------------------------- + +device_gg_gear2gear_port_interface::device_gg_gear2gear_port_interface(const machine_config &mconfig, device_t &device) + : device_slot_card_interface(mconfig,device) +{ + m_port = dynamic_cast(device.owner()); +} + + +//------------------------------------------------- +// ~device_gg_gear2gear_port_interface - destructor +//------------------------------------------------- + +device_gg_gear2gear_port_interface::~device_gg_gear2gear_port_interface() +{ +} + + + +//************************************************************************** +// LIVE DEVICE +//************************************************************************** + +//------------------------------------------------- +// gg_gear2gear_port_device - constructor +//------------------------------------------------- + +gg_gear2gear_port_device::gg_gear2gear_port_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) : + device_t(mconfig, GG_GEAR2GEAR_PORT, "Gear to Gear Port", tag, owner, clock, "gg_gear2gear_port", __FILE__), + device_slot_interface(mconfig, *this), + m_th_pin_handler(*this), + m_pixel_handler(*this) +{ +} + + +//------------------------------------------------- +// gg_gear2gear_port_device - destructor +//------------------------------------------------- + +gg_gear2gear_port_device::~gg_gear2gear_port_device() +{ +} + + +//------------------------------------------------- +// device_start - device-specific startup +//------------------------------------------------- + +void gg_gear2gear_port_device::device_start() +{ + m_device = dynamic_cast(get_card_device()); + + m_th_pin_handler.resolve_safe(); + m_pixel_handler.resolve_safe(0); +} + + +UINT8 gg_gear2gear_port_device::port_r() +{ + UINT8 data = 0xff; + if (m_device) + data = m_device->peripheral_r(); + return data; +} + +void gg_gear2gear_port_device::port_w( UINT8 data ) +{ + if (m_device) + m_device->peripheral_w(data); +} + + +void gg_gear2gear_port_device::th_pin_w(int state) +{ + m_th_pin_handler(state); +} + +UINT32 gg_gear2gear_port_device::pixel_r() +{ + return m_pixel_handler(); +} + + +//------------------------------------------------- +// SLOT_INTERFACE( gg_gear2gear_port_devices ) +//------------------------------------------------- + +SLOT_INTERFACE_START( gg_gear2gear_port_devices ) + SLOT_INTERFACE("smsctrladp", SMS_CTRL_ADAPTOR) +SLOT_INTERFACE_END diff --git a/src/emu/bus/gamegear/gear2gear.h b/src/emu/bus/gamegear/gear2gear.h new file mode 100644 index 00000000000..901d91c4b80 --- /dev/null +++ b/src/emu/bus/gamegear/gear2gear.h @@ -0,0 +1,123 @@ +/********************************************************************** + + Sega Game Gear "Gear to Gear Port" emulation + + Copyright MESS Team. + Visit http://mamedev.org for licensing and usage restrictions. + +********************************************************************** + + +**********************************************************************/ + +#pragma once + +#ifndef __GG_GEAR2GEAR_PORT__ +#define __GG_GEAR2GEAR_PORT__ + +#include "emu.h" + + + +//************************************************************************** +// INTERFACE CONFIGURATION MACROS +//************************************************************************** + +#define MCFG_GG_GEAR2GEAR_PORT_ADD(_tag, _slot_intf, _def_slot) \ + MCFG_DEVICE_ADD(_tag, GG_GEAR2GEAR_PORT, 0) \ + MCFG_DEVICE_SLOT_INTERFACE(_slot_intf, _def_slot, false) +#define MCFG_GG_GEAR2GEAR_PORT_MODIFY(_tag) \ + MCFG_DEVICE_MODIFY(_tag) + + +#define MCFG_GG_GEAR2GEAR_PORT_TH_INPUT_HANDLER(_devcb) \ + devcb = &gg_gear2gear_port_device::set_th_input_handler(*device, DEVCB_##_devcb); + + +#define MCFG_GG_GEAR2GEAR_PORT_PIXEL_HANDLER(_devcb) \ + devcb = &gg_gear2gear_port_device::set_pixel_handler(*device, DEVCB_##_devcb); + + + +//************************************************************************** +// TYPE DEFINITIONS +//************************************************************************** + +// ======================> gg_gear2gear_port_device + +class device_gg_gear2gear_port_interface; + +class gg_gear2gear_port_device : public device_t, + public device_slot_interface +{ +public: + // construction/destruction + gg_gear2gear_port_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + virtual ~gg_gear2gear_port_device(); + + // static configuration helpers + template static devcb_base &set_th_input_handler(device_t &device, _Object object) { return downcast(device).m_th_pin_handler.set_callback(object); } + + template static devcb_base &set_pixel_handler(device_t &device, _Object object) { return downcast(device).m_pixel_handler.set_callback(object); } + + // Currently, only the support for SMS Controller Adaptor is emulated, + // for when SMS Compatibility mode is enabled. In that mode, the 10 + // pins of the Gear to Gear Port follows the same numbering of a SMS + // Control port. + + // Data returned by the port_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 - Vcc (no data) + // bit 5 - pin 6 - TL (Button 1/Light Phaser Trigger) + // bit 6 - pin 7 - TH (Light Phaser sensor) + // pin 8 - GND + // bit 7 - pin 9 - TR (Button 2) + // pin 10 - Not connected + // + UINT8 port_r(); + void port_w( UINT8 data ); + + void th_pin_w(int state); + UINT32 pixel_r(); + +//protected: + // device-level overrides + virtual void device_start(); + + device_gg_gear2gear_port_interface *m_device; + +private: + devcb_write_line m_th_pin_handler; + devcb_read32 m_pixel_handler; +}; + + +// ======================> device_gg_gear2gear_port_interface + +// class representing interface-specific live sms_expansion card +class device_gg_gear2gear_port_interface : public device_slot_card_interface +{ +public: + // construction/destruction + device_gg_gear2gear_port_interface(const machine_config &mconfig, device_t &device); + virtual ~device_gg_gear2gear_port_interface(); + + virtual UINT8 peripheral_r() { return 0xff; }; + virtual void peripheral_w(UINT8 data) { }; + +protected: + gg_gear2gear_port_device *m_port; +}; + + +// device type definition +extern const device_type GG_GEAR2GEAR_PORT; + + +SLOT_INTERFACE_EXTERN( gg_gear2gear_port_devices ); + + +#endif diff --git a/src/emu/bus/gamegear/smsctrladp.c b/src/emu/bus/gamegear/smsctrladp.c new file mode 100644 index 00000000000..a2f8ca60c07 --- /dev/null +++ b/src/emu/bus/gamegear/smsctrladp.c @@ -0,0 +1,95 @@ +/********************************************************************** + + Sega Game Gear "Gear to Gear Port SMS Controller Adaptor" emulation + Also known as "Master Link" cable. + + Copyright MESS Team. + Visit http://mamedev.org for licensing and usage restrictions. + +**********************************************************************/ + +#include "smsctrladp.h" + + + +//************************************************************************** +// DEVICE DEFINITIONS +//************************************************************************** + +const device_type SMS_CTRL_ADAPTOR = &device_creator; + + +//************************************************************************** +// LIVE DEVICE +//************************************************************************** + +//------------------------------------------------- +// sms_ctrl_adaptor_device - constructor +//------------------------------------------------- + +sms_ctrl_adaptor_device::sms_ctrl_adaptor_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) : + device_t(mconfig, SMS_CTRL_ADAPTOR, "SMS Controller Adaptor", tag, owner, clock, "sms_ctrl_adaptor", __FILE__), + device_gg_gear2gear_port_interface(mconfig, *this), + m_subctrl_port(*this, "ctrl") +{ +} + + +//------------------------------------------------- +// device_start - device-specific startup +//------------------------------------------------- + +void sms_ctrl_adaptor_device::device_start() +{ + m_subctrl_port->device_start(); +} + + +//------------------------------------------------- +// sms_peripheral_r - rapid fire read +//------------------------------------------------- + +UINT8 sms_ctrl_adaptor_device::peripheral_r() +{ + return m_subctrl_port->port_r(); +} + + +//------------------------------------------------- +// sms_peripheral_w - rapid fire write +//------------------------------------------------- + +void sms_ctrl_adaptor_device::peripheral_w(UINT8 data) +{ + m_subctrl_port->port_w(data); +} + + +//------------------------------------------------- +// machine_config_additions - device-specific +// machine configurations +//------------------------------------------------- + +WRITE_LINE_MEMBER( sms_ctrl_adaptor_device::th_pin_w ) +{ + m_port->th_pin_w(state); +} + + +READ32_MEMBER( sms_ctrl_adaptor_device::pixel_r ) +{ + return m_port->pixel_r(); +} + + +static MACHINE_CONFIG_FRAGMENT( sms_adp_slot ) + MCFG_SMS_CONTROL_PORT_ADD("ctrl", sms_control_port_devices, "joypad") + MCFG_SMS_CONTROL_PORT_TH_INPUT_HANDLER(WRITELINE(sms_ctrl_adaptor_device, th_pin_w)) + MCFG_SMS_CONTROL_PORT_PIXEL_HANDLER(READ32(sms_ctrl_adaptor_device, pixel_r)) +MACHINE_CONFIG_END + + +machine_config_constructor sms_ctrl_adaptor_device::device_mconfig_additions() const +{ + return MACHINE_CONFIG_NAME( sms_adp_slot ); +} diff --git a/src/emu/bus/gamegear/smsctrladp.h b/src/emu/bus/gamegear/smsctrladp.h new file mode 100644 index 00000000000..3547253ded8 --- /dev/null +++ b/src/emu/bus/gamegear/smsctrladp.h @@ -0,0 +1,57 @@ +/********************************************************************** + + Sega Game Gear "Gear to Gear Port SMS Controller Adaptor" emulation + Also known as "Master Link" cable. + + Copyright MESS Team. + Visit http://mamedev.org for licensing and usage restrictions. + +**********************************************************************/ + +#pragma once + +#ifndef __SMS_CTRL_ADAPTOR__ +#define __SMS_CTRL_ADAPTOR__ + + +#include "emu.h" +#include "gear2gear.h" +#include "../sms_ctrl/smsctrl.h" + + + +//************************************************************************** +// TYPE DEFINITIONS +//************************************************************************** + +// ======================> sms_ctrl_adaptor_device + +class sms_ctrl_adaptor_device : public device_t, + public device_gg_gear2gear_port_interface +{ +public: + // construction/destruction + sms_ctrl_adaptor_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + + DECLARE_WRITE_LINE_MEMBER(th_pin_w); + DECLARE_READ32_MEMBER(pixel_r); + +protected: + // device-level overrides + virtual void device_start(); + virtual machine_config_constructor device_mconfig_additions() const; + + // device_gg_gear2gear_port_interface overrides + virtual UINT8 peripheral_r(); + virtual void peripheral_w(UINT8 data); + +private: + required_device m_subctrl_port; +}; + + +// device type definition +extern const device_type SMS_CTRL_ADAPTOR; + + +#endif