MAME SVN History

199869 Revisions

r25372 Thursday 19th September, 2013 at 10:18:21 UTC by smf
Moved the adaptec mode sense handling into the ACB4070 device [smf]

[src/emu/machine]	scsihle.c scsihle.h
[src/mess/machine]	acb4070.c acb4070.h

trunk/src/emu/machine/scsihle.c
r25371	r25372
61	61
62	62	#define FORMAT_UNIT_TIMEOUT 5
63	63
64		struct adaptec_sense_t
65		{
66		// parameter list
67		UINT8 reserved1[3];
68		UINT8 length;
69
70		// descriptor list
71		UINT8 density;
72		UINT8 reserved2[4];
73		UINT8 block_size[3];
74
75		// drive parameter list
76		UINT8 format_code;
77		UINT8 cylinder_count[2];
78		UINT8 head_count;
79		UINT8 reduced_write[2];
80		UINT8 write_precomp[2];
81		UINT8 landing_zone;
82		UINT8 step_pulse_code;
83		UINT8 bit_flags;
84		UINT8 sectors_per_track;
85		};
86
87	64	/*
88	65	LOGLEVEL
89	66	0 no logging,
r25371	r25372
172	149	if(IS_COMMAND(SCSI_CMD_FORMAT_UNIT) && (data_idx==0))
173	150	{
174	151	scsi_change_phase(SCSI_PHASE_STATUS);
175		}
176		break;
177	152	}
	153	break;
178	154	}
	155	}
179	156
180	157	void scsihle_device::scsibus_exec_command()
181	158	{
r25371	r25372
448	425
449	426	if(data_idx == 0 && bytes_left == 0)
450	427	{
451		check_process_dataout();
452	428	scsi_change_phase(SCSI_PHASE_STATUS);
453	429	}
454	430	else
r25371	r25372
512	488	}
513	489	}
514	490
515		void scsihle_device::check_process_dataout()
516		{
517		int capacity=0;
518		int tracks;
519		adaptec_sense_t *sense;
520
521		LOG(1,"SCSIBUS:check_process_dataout cmd=%02X\n",command[0]);
522
523		switch (command[0])
524		{
525		case SCSI_CMD_MODE_SELECT:
526		sense=(adaptec_sense_t *)buffer;
527		tracks=(sense->cylinder_count[0]<<8)+sense->cylinder_count[1];
528		capacity=(tracks * sense->head_count * 17);
529		LOG(1,"Tracks=%d, Heads=%d sec/track=%d\n",tracks,sense->head_count,sense->sectors_per_track);
530		LOG(1,"Setting disk capacity to %d blocks\n",capacity);
531		dump_data_bytes(0x16);
532		break;
533		}
534		}
535
536	491	// get the length of a SCSI command based on it's command byte type
537	492	int scsihle_device::get_scsi_cmd_len(int cbyte)
538	493	{

trunk/src/emu/machine/scsihle.h
r25371	r25372
41	41	void scsibus_read_data();
42	42	void scsibus_write_data();
43	43	void scsibus_exec_command();
44		void check_process_dataout();
45	44	void dump_command_bytes();
46	45	void dump_data_bytes(int count);
47	46	void dump_bytes(UINT8 *buff, int count);

trunk/src/mess/machine/acb4070.c
r25371	r25372
33	33	m_transfer_length = TRANSFERLENGTH_DATA_BUFFER;
34	34	break;
35	35
	36	case SCSI_CMD_MODE_SELECT:
	37	m_phase = SCSI_PHASE_DATAOUT;
	38	m_transfer_length = SCSILengthFromUINT8( &command[ 4 ] );
	39	break;
	40
36	41	default:
37	42	scsihd_device::ExecCommand();
38	43	break;
39	44	}
40	45	}
	46
	47	void acb4070_device::WriteData( UINT8 *data, int dataLength )
	48	{
	49	switch( command[ 0 ] )
	50	{
	51	case SCSI_CMD_MODE_SELECT:
	52	adaptec_sense_t sense=(adaptec_sense_t ) data;
	53	int tracks=(sense->cylinder_count[0]<<8)+sense->cylinder_count[1];
	54	int capacity=(tracks * sense->head_count * 17);
	55	logerror("Tracks=%d, Heads=%d sec/track=%d\n",tracks,sense->head_count,sense->sectors_per_track);
	56	logerror("Setting disk capacity to %d blocks\n",capacity);
	57	break;
	58	}
	59	}

trunk/src/mess/machine/acb4070.h
r25371	r25372
12	12	acb4070_device(const machine_config &mconfig, const char tag, device_t owner, UINT32 clock);
13	13
14	14	virtual void ExecCommand();
	15	virtual void WriteData( UINT8 *data, int dataLength );
	16
	17	private:
	18	struct adaptec_sense_t
	19	{
	20	// parameter list
	21	UINT8 reserved1[3];
	22	UINT8 length;
	23
	24	// descriptor list
	25	UINT8 density;
	26	UINT8 reserved2[4];
	27	UINT8 block_size[3];
	28
	29	// drive parameter list
	30	UINT8 format_code;
	31	UINT8 cylinder_count[2];
	32	UINT8 head_count;
	33	UINT8 reduced_write[2];
	34	UINT8 write_precomp[2];
	35	UINT8 landing_zone;
	36	UINT8 step_pulse_code;
	37	UINT8 bit_flags;
	38	UINT8 sectors_per_track;
	39	};
15	40	};
16	41
17	42	// device type definition

199869 Revisions