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(MESS) vidbrain: devcb2. (nw)

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This commit is contained in:
Curt Coder 2014-03-15 21:04:28 +00:00
parent f2230d052c
commit 13d9941586
3 changed files with 73 additions and 145 deletions
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72
src/emu/bus/vidbrain/exp.c
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@ -37,24 +37,15 @@ const device_type VIDEOBRAIN_EXPANSION_SLOT = &device_creator<videobrain_expansi
// device_videobrain_expansion_card_interface - constructor // device_videobrain_expansion_card_interface - constructor
//------------------------------------------------- //-------------------------------------------------
device_videobrain_expansion_card_interface::device_videobrain_expansion_card_interface(const machine_config &mconfig, device_t &device) device_videobrain_expansion_card_interface::device_videobrain_expansion_card_interface(const machine_config &mconfig, device_t &device) :
: device_slot_card_interface(mconfig, device), device_slot_card_interface(mconfig, device),
m_rom_mask(0), m_rom_mask(0),
m_ram_mask(0) m_ram_mask(0)
{ {
m_slot = dynamic_cast<videobrain_expansion_slot_device *>(device.owner()); m_slot = dynamic_cast<videobrain_expansion_slot_device *>(device.owner());
} }
//-------------------------------------------------
// ~device_videobrain_expansion_card_interface - destructor
//-------------------------------------------------
device_videobrain_expansion_card_interface::~device_videobrain_expansion_card_interface()
{
}
//------------------------------------------------- //-------------------------------------------------
// videobrain_roml_pointer - get low ROM pointer // videobrain_roml_pointer - get low ROM pointer
//------------------------------------------------- //-------------------------------------------------
@ -99,48 +90,14 @@ UINT8* device_videobrain_expansion_card_interface::videobrain_ram_pointer(runnin
//------------------------------------------------- //-------------------------------------------------
videobrain_expansion_slot_device::videobrain_expansion_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) : videobrain_expansion_slot_device::videobrain_expansion_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) :
device_t(mconfig, VIDEOBRAIN_EXPANSION_SLOT, "VideoBrain expansion port", tag, owner, clock, "videobrain_expansion_slot", __FILE__), device_t(mconfig, VIDEOBRAIN_EXPANSION_SLOT, "VideoBrain expansion port", tag, owner, clock, "videobrain_expansion_slot", __FILE__),
device_slot_interface(mconfig, *this), device_slot_interface(mconfig, *this),
device_image_interface(mconfig, *this) device_image_interface(mconfig, *this),
m_write_extres(*this)
{ {
} }
//-------------------------------------------------
// videobrain_expansion_slot_device - destructor
//-------------------------------------------------
videobrain_expansion_slot_device::~videobrain_expansion_slot_device()
{
}
//-------------------------------------------------
// device_config_complete - perform any
// operations now that the configuration is
// complete
//-------------------------------------------------
void videobrain_expansion_slot_device::device_config_complete()
{
// inherit a copy of the static data
const videobrain_expansion_slot_interface *intf = reinterpret_cast<const videobrain_expansion_slot_interface *>(static_config());
if (intf != NULL)
{
*static_cast<videobrain_expansion_slot_interface *>(this) = *intf;
}
// or initialize to defaults if none provided
else
{
memset(&m_out_extres_cb, 0, sizeof(m_out_extres_cb));
}
// set brief and instance name
update_names();
}
//------------------------------------------------- //-------------------------------------------------
// device_start - device-specific startup // device_start - device-specific startup
//------------------------------------------------- //-------------------------------------------------
@ -150,7 +107,7 @@ void videobrain_expansion_slot_device::device_start()
m_cart = dynamic_cast<device_videobrain_expansion_card_interface *>(get_card_device()); m_cart = dynamic_cast<device_videobrain_expansion_card_interface *>(get_card_device());
// resolve callbacks // resolve callbacks
m_out_extres_func.resolve(m_out_extres_cb, *this); m_write_extres.resolve_safe();
} }
@ -236,17 +193,6 @@ void videobrain_expansion_slot_device::bo_w(address_space &space, offs_t offset,
} }
READ8_MEMBER( videobrain_expansion_slot_device::cs1_r ) { return bo_r(space, offset + 0x1000, 0, 1); }
WRITE8_MEMBER( videobrain_expansion_slot_device::cs1_w ) { bo_w(space, offset + 0x1000, data, 0, 1); }
READ8_MEMBER( videobrain_expansion_slot_device::cs2_r ) { return bo_r(space, offset + 0x1800, 1, 0); }
WRITE8_MEMBER( videobrain_expansion_slot_device::cs2_w ) { bo_w(space, offset + 0x1800, data, 1, 0); }
READ8_MEMBER( videobrain_expansion_slot_device::unmap_r ) { return bo_r(space, offset + 0x3000, 1, 0); }
WRITE8_MEMBER( videobrain_expansion_slot_device::unmap_w ) { bo_w(space, offset + 0x3000, data, 1, 0); }
WRITE_LINE_MEMBER( videobrain_expansion_slot_device::extres_w ) { m_out_extres_func(state); }
//------------------------------------------------- //-------------------------------------------------
// SLOT_INTERFACE_START( vidbrain_expansion_cards ) // SLOT_INTERFACE_START( vidbrain_expansion_cards )
//------------------------------------------------- //-------------------------------------------------

134
src/emu/bus/vidbrain/exp.h
View File

@ -58,85 +58,21 @@
// INTERFACE CONFIGURATION MACROS // INTERFACE CONFIGURATION MACROS
//************************************************************************** //**************************************************************************
#define VIDEOBRAIN_EXPANSION_INTERFACE(_name) \ #define MCFG_VIDEOBRAIN_EXPANSION_SLOT_ADD(_tag, _slot_intf, _def_slot) \
const videobrain_expansion_slot_interface (_name) =
#define MCFG_VIDEOBRAIN_EXPANSION_SLOT_ADD(_tag, _config, _slot_intf, _def_slot) \
MCFG_DEVICE_ADD(_tag, VIDEOBRAIN_EXPANSION_SLOT, 0) \ MCFG_DEVICE_ADD(_tag, VIDEOBRAIN_EXPANSION_SLOT, 0) \
MCFG_DEVICE_CONFIG(_config) \
MCFG_DEVICE_SLOT_INTERFACE(_slot_intf, _def_slot, false) MCFG_DEVICE_SLOT_INTERFACE(_slot_intf, _def_slot, false)
#define MCFG_VIDEOBRAIN_EXPANSION_SLOT_EXTRES_CALLBACK(_write) \
devcb = &videobrain_expansion_slot_device::set_extres_wr_callback(*device, DEVCB2_##_write);
//************************************************************************** //**************************************************************************
// TYPE DEFINITIONS // TYPE DEFINITIONS
//************************************************************************** //**************************************************************************
// ======================> videobrain_expansion_slot_interface class videobrain_expansion_slot_device;
struct videobrain_expansion_slot_interface
{
devcb_write_line m_out_extres_cb;
};
// ======================> videobrain_expansion_slot_device
class device_videobrain_expansion_card_interface;
class videobrain_expansion_slot_device : public device_t,
public videobrain_expansion_slot_interface,
public device_slot_interface,
public device_image_interface
{
public:
// construction/destruction
videobrain_expansion_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
virtual ~videobrain_expansion_slot_device();
// computer interface
UINT8 bo_r(address_space &space, offs_t offset, int cs1, int cs2);
void bo_w(address_space &space, offs_t offset, UINT8 data, int cs1, int cs2);
DECLARE_READ8_MEMBER( cs1_r );
DECLARE_WRITE8_MEMBER( cs1_w );
DECLARE_READ8_MEMBER( cs2_r );
DECLARE_WRITE8_MEMBER( cs2_w );
DECLARE_READ8_MEMBER( unmap_r );
DECLARE_WRITE8_MEMBER( unmap_w );
// cartridge interface
DECLARE_WRITE_LINE_MEMBER( extres_w );
protected:
// device-level overrides
virtual void device_config_complete();
virtual void device_start();
// image-level overrides
virtual bool call_load();
virtual bool call_softlist_load(software_list_device &swlist, const char *swname, const rom_entry *start_entry);
virtual iodevice_t image_type() const { return IO_CARTSLOT; }
virtual bool is_readable() const { return 1; }
virtual bool is_writeable() const { return 0; }
virtual bool is_creatable() const { return 0; }
virtual bool must_be_loaded() const { return 0; }
virtual bool is_reset_on_load() const { return 1; }
virtual const char *image_interface() const { return "vidbrain_cart"; }
virtual const char *file_extensions() const { return "bin"; }
virtual const option_guide *create_option_guide() const { return NULL; }
// slot interface overrides
virtual void get_default_card_software(astring &result);
devcb_resolved_write_line m_out_extres_func;
device_videobrain_expansion_card_interface *m_cart;
};
// ======================> device_videobrain_expansion_card_interface // ======================> device_videobrain_expansion_card_interface
@ -147,7 +83,7 @@ class device_videobrain_expansion_card_interface : public device_slot_card_inter
public: public:
// construction/destruction // construction/destruction
device_videobrain_expansion_card_interface(const machine_config &mconfig, device_t &device); device_videobrain_expansion_card_interface(const machine_config &mconfig, device_t &device);
virtual ~device_videobrain_expansion_card_interface(); virtual ~device_videobrain_expansion_card_interface() { }
protected: protected:
// initialization // initialization
@ -169,6 +105,62 @@ protected:
}; };
// ======================> videobrain_expansion_slot_device
class videobrain_expansion_slot_device : public device_t,
public device_slot_interface,
public device_image_interface
{
public:
// construction/destruction
videobrain_expansion_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
virtual ~videobrain_expansion_slot_device() { }
template<class _Object> static devcb2_base &set_extres_wr_callback(device_t &device, _Object object) { return downcast<videobrain_expansion_slot_device &>(device).m_write_extres.set_callback(object); }
// computer interface
UINT8 bo_r(address_space &space, offs_t offset, int cs1, int cs2);
void bo_w(address_space &space, offs_t offset, UINT8 data, int cs1, int cs2);
DECLARE_READ8_MEMBER( cs1_r ) { return bo_r(space, offset + 0x1000, 0, 1); }
DECLARE_WRITE8_MEMBER( cs1_w ) { bo_w(space, offset + 0x1000, data, 0, 1); }
DECLARE_READ8_MEMBER( cs2_r ) { return bo_r(space, offset + 0x1800, 1, 0); }
DECLARE_WRITE8_MEMBER( cs2_w ) { bo_w(space, offset + 0x1800, data, 1, 0); }
DECLARE_READ8_MEMBER( unmap_r ) { return bo_r(space, offset + 0x3000, 1, 0); }
DECLARE_WRITE8_MEMBER( unmap_w ) { bo_w(space, offset + 0x3000, data, 1, 0); }
// cartridge interface
DECLARE_WRITE_LINE_MEMBER( extres_w ) { m_write_extres(state); }
protected:
// device-level overrides
virtual void device_config_complete() { update_names(); }
virtual void device_start();
// image-level overrides
virtual bool call_load();
virtual bool call_softlist_load(software_list_device &swlist, const char *swname, const rom_entry *start_entry);
virtual iodevice_t image_type() const { return IO_CARTSLOT; }
virtual bool is_readable() const { return 1; }
virtual bool is_writeable() const { return 0; }
virtual bool is_creatable() const { return 0; }
virtual bool must_be_loaded() const { return 0; }
virtual bool is_reset_on_load() const { return 1; }
virtual const char *image_interface() const { return "vidbrain_cart"; }
virtual const char *file_extensions() const { return "bin"; }
virtual const option_guide *create_option_guide() const { return NULL; }
// slot interface overrides
virtual void get_default_card_software(astring &result);
devcb2_write_line m_write_extres;
device_videobrain_expansion_card_interface *m_cart;
};
// device type definition // device type definition
extern const device_type VIDEOBRAIN_EXPANSION_SLOT; extern const device_type VIDEOBRAIN_EXPANSION_SLOT;

12
src/mess/drivers/vidbrain.c
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@ -466,16 +466,6 @@ static UV201_INTERFACE( uv_intf )
}; };
//-------------------------------------------------
// VIDEOBRAIN_EXPANSION_INTERFACE( expansion_intf )
//-------------------------------------------------
static VIDEOBRAIN_EXPANSION_INTERFACE( expansion_intf )
{
DEVCB_NULL
};
//************************************************************************** //**************************************************************************
// MACHINE INITIALIZATION // MACHINE INITIALIZATION
@ -583,7 +573,7 @@ static MACHINE_CONFIG_START( vidbrain, vidbrain_state )
MCFG_F3853_ADD(F3853_TAG, XTAL_4MHz/2, smi_intf) MCFG_F3853_ADD(F3853_TAG, XTAL_4MHz/2, smi_intf)
// cartridge // cartridge
MCFG_VIDEOBRAIN_EXPANSION_SLOT_ADD(VIDEOBRAIN_EXPANSION_SLOT_TAG, expansion_intf, vidbrain_expansion_cards, NULL) MCFG_VIDEOBRAIN_EXPANSION_SLOT_ADD(VIDEOBRAIN_EXPANSION_SLOT_TAG, vidbrain_expansion_cards, NULL)
// software lists // software lists
MCFG_SOFTWARE_LIST_ADD("cart_list", "vidbrain") MCFG_SOFTWARE_LIST_ADD("cart_list", "vidbrain")