MAME SVN History

199869 Revisions

r18698 Thursday 25th October, 2012 at 11:21:16 UTC by smf
started thinking about how multi-endpoint devices will work, using a hierarchy has too many limitations (nw)

[src/emu/machine]

scsibus.c scsidev.c scsidev.h

trunk/src/emu/machine/scsidev.c
r18697	r18698
151	151
152	152	data_out = ( data_out & ~mask ) \| ( data & mask );
153	153
154		scsibus_device m_scsibus = downcast<scsibus_device >( owner() );
155	154	m_scsibus->scsi_update();
156	155	}

trunk/src/emu/machine/scsidev.h
r18697	r18698
25	25	#define SCSI_MASK_RST ( 0x2000000 )
26	26	#define SCSI_MASK_ALL ( 0x3ffffff )
27	27
	28	class scsibus_device;
	29
28	30	// base handler
29	31	class scsidev_device : public device_t
30	32	{
	33	friend class scsibus_device;
	34
31	35	public:
32	36	// construction/destruction
33	37	scsidev_device(const machine_config &mconfig, device_type type, const char name, const char tag, device_t *owner, UINT32 clock);
34	38
35		virtual void scsi_in( UINT32 data, UINT32 mask ) = 0;
	39	protected:
	40	// device-level overrides
	41	virtual void device_start();
	42
36	43	void scsi_out( UINT32 data, UINT32 mask );
37	44
	45	private:
	46	virtual void scsi_in( UINT32 data, UINT32 mask ) = 0;
	47
38	48	UINT32 data_out;
39
40		protected:
41		// device-level overrides
42		virtual void device_start();
	49	scsibus_device *m_scsibus;
43	50	};
44	51
45	52	#endif

trunk/src/emu/machine/scsibus.c
r18697	r18698
46	46	if( scsidev != NULL )
47	47	{
48	48	devices[ deviceCount++ ] = scsidev;
	49	scsidev->m_scsibus = this;
49	50	}
50	51	}
51	52

199869 Revisions