bfmdm01_device: converted to devcb2 (nw)

src/mame/drivers/bfm_sc2.c

@@ -237,6 +237,7 @@ public:
 	int m_e2data_to_read;
 	UINT8 m_codec_data[256];
 	void e2ram_init(nvram_device &nvram, void *data, size_t size);
+	DECLARE_WRITE_LINE_MEMBER(bfmdm01_busy);
 	DECLARE_WRITE8_MEMBER(bankswitch_w);
 	DECLARE_WRITE8_MEMBER(reel12_vid_w);
 	DECLARE_WRITE8_MEMBER(reel12_w);
@@ -2605,17 +2606,11 @@ WRITE8_MEMBER(bfm_sc2_state::sc3_expansion_w)
 }
 #endif
 
-static void bfmdm01_busy(running_machine &machine, int state)
+WRITE_LINE_MEMBER(bfm_sc2_state::bfmdm01_busy)
 {
-	bfm_sc2_state *drvstate = machine.driver_data<bfm_sc2_state>();
+	Scorpion2_SetSwitchState(4,4, state?0:1);
-	drvstate->Scorpion2_SetSwitchState(4,4, state?0:1);
 }
 
-static const bfmdm01_interface dm01_interface =
-{
-	bfmdm01_busy
-};
-
 /* machine init (called only once) */
 MACHINE_RESET_MEMBER(bfm_sc2_state,awp_init)
 {
@@ -3772,7 +3767,8 @@ static MACHINE_CONFIG_START( scorpion2_dm01, bfm_sc2_state )
 
 	/* video hardware */
 	MCFG_DEFAULT_LAYOUT(layout_sc2_dmd)
-	MCFG_DM01_ADD("dm01", dm01_interface)
+	MCFG_DEVICE_ADD("dm01", BF_DM01, 0)
+	MCFG_BF_DM01_BUSY_CB(WRITELINE(bfm_sc2_state, bfmdm01_busy))
 	MCFG_CPU_ADD("matrix", M6809, 2000000 )             /* matrix board 6809 CPU at 2 Mhz ?? I don't know the exact freq.*/
 	MCFG_CPU_PROGRAM_MAP(bfm_dm01_memmap)
 	MCFG_CPU_PERIODIC_INT_DRIVER(bfm_sc2_state, nmi_line_assert, 1500 )          /* generate 1500 NMI's per second ?? what is the exact freq?? */

src/mame/drivers/bfm_sc4h.c

@@ -698,18 +698,11 @@ WRITE8_MEMBER(sc4_state::m68307_duart_output_w)
 }
 
 /* default dmd */
-static void bfmdm01_busy(running_machine &machine, int state)
+WRITE_LINE_MEMBER(sc4_state::bfmdm01_busy)
 {
 	// Must tie back to inputs somehow!
 }
 
-static const bfmdm01_interface dm01_interface =
-{
-	bfmdm01_busy
-};
-
-
-
 MACHINE_CONFIG_START( sc4, sc4_state )
 	MCFG_CPU_ADD("maincpu", M68307, 16000000)    // 68307! (EC000 core)
 	MCFG_CPU_PROGRAM_MAP(sc4_map)
@@ -765,7 +758,8 @@ MACHINE_CONFIG_DERIVED_CLASS( sc4dmd, sc4, sc4_state )
 	/* video hardware */
 
 	MCFG_DEFAULT_LAYOUT(layout_sc4_dmd)
-	MCFG_DM01_ADD("dm01", dm01_interface)
+	MCFG_DEVICE_ADD("dm01", BF_DM01, 0)
+	MCFG_BF_DM01_BUSY_CB(WRITELINE(sc4_state, bfmdm01_busy))
 	MCFG_CPU_ADD("matrix", M6809, 2000000 )             /* matrix board 6809 CPU at 2 Mhz ?? I don't know the exact freq.*/
 	MCFG_CPU_PROGRAM_MAP(bfm_dm01_memmap)
 	MCFG_CPU_PERIODIC_INT_DRIVER(sc4_state, nmi_line_assert, 1500 )          /* generate 1500 NMI's per second ?? what is the exact freq?? */

src/mame/includes/bfm_sc45.h

@@ -101,6 +101,8 @@ public:
 	UINT8 read_input_matrix(running_machine &machine, int row);
 
 
+	DECLARE_WRITE_LINE_MEMBER(bfmdm01_busy);
+	
 	DECLARE_READ16_MEMBER(sc4_mem_r);
 	DECLARE_WRITE16_MEMBER(sc4_mem_w);
 

src/mame/video/bfm_dm01.c

@@ -59,7 +59,8 @@ bfmdm01_device::bfmdm01_device(const machine_config &mconfig, const char *tag, d
 	m_control(0),
 	m_xcounter(0),
 	m_busy(0),
-	m_comdata(0)
+	m_comdata(0),
+	m_busy_cb(*this)
 {
 	for (int i = 0; i < 65; i++)
 	m_segbuffer[i] = 0;
@@ -68,31 +69,14 @@ bfmdm01_device::bfmdm01_device(const machine_config &mconfig, const char *tag, d
 	m_scanline[i] = 0;
 }
 
-//-------------------------------------------------
-//  device_config_complete - perform any
-//  operations now that the configuration is
-//  complete
-//-------------------------------------------------
-
-void bfmdm01_device::device_config_complete()
-{
-	// inherit a copy of the static data
-	const bfmdm01_interface *intf = reinterpret_cast<const bfmdm01_interface *>(static_config());
-	if (intf != NULL)
-		*static_cast<bfmdm01_interface *>(this) = *intf;
-
-	// or initialize to defaults if none provided
-	else
-	{
-	}
-}
-
 //-------------------------------------------------
 //  device_start - device-specific startup
 //-------------------------------------------------
 
 void bfmdm01_device::device_start()
 {
+	m_busy_cb.resolve_safe();
+	
 	save_item(NAME(m_data_avail));
 	save_item(NAME(m_control));
 	save_item(NAME(m_xcounter));
@@ -117,7 +101,7 @@ void bfmdm01_device::device_reset()
 	m_xcounter = 0;
 	m_data_avail = 0;
 	
-	m_busy_func(machine(), m_busy);
+	m_busy_cb(m_busy);
 }
 
 ///////////////////////////////////////////////////////////////////////////
@@ -161,7 +145,7 @@ WRITE8_MEMBER( bfmdm01_device::control_w )
 		if ( data & 8 )   m_busy = 0;
 		else              m_busy = 1;
 
-		m_busy_func(machine(), m_busy);
+		m_busy_cb(m_busy);
 	}
 }
 

src/mame/video/bfm_dm01.h

@@ -8,18 +8,17 @@
 
 #define DM_BYTESPERROW 9
 
-struct bfmdm01_interface
+#define MCFG_BF_DM01_BUSY_CB(_devcb) \
-{
+	devcb = &bfmdm01_device::set_busy_callback(*device, DEVCB2_##_devcb);
-	void (*m_busy_func)(running_machine &machine, int state);
-};
 
-class bfmdm01_device : public device_t,
+class bfmdm01_device : public device_t
-								public bfmdm01_interface
 {
 public:
 	bfmdm01_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
 	~bfmdm01_device() {}
 	
+	template<class _Object> static devcb2_base &set_busy_callback(device_t &device, _Object object) { return downcast<bfmdm01_device &>(device).m_busy_cb.set_callback(object); }
+
 	DECLARE_READ8_MEMBER( control_r );
 	DECLARE_WRITE8_MEMBER( control_w );
 	DECLARE_READ8_MEMBER( mux_r );
@@ -32,10 +31,8 @@ public:
 	void writedata(UINT8 data);
 	int busy(void);
 
-
 protected:
 	// device-level overrides
-	virtual void device_config_complete();
 	virtual void device_start();
 	virtual void device_reset();
 
@@ -50,17 +47,13 @@ private:
 	UINT8 m_scanline[DM_BYTESPERROW];
 	UINT8 m_comdata;
 	
-	int read_data(void);
+	devcb2_write_line m_busy_cb;
 
+	int read_data(void);
 };
 
 extern const device_type BF_DM01;
 
 ADDRESS_MAP_EXTERN( bfm_dm01_memmap,8 );
 
-
-#define MCFG_DM01_ADD(_tag, _interface) \
-	MCFG_DEVICE_ADD(_tag, BF_DM01, 0) \
-	MCFG_DEVICE_CONFIG(_interface)
-
 #endif