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r21501 Friday 1st March, 2013 at 01:26:03 UTC by R. Belmont
nscsi_hd: Added 6-byte WRITE, logging of unknown commands, and some Apple-specific SCSI tweaks. [R. Belmont]

[src/emu/machine]

nscsi_hd.c

trunk/src/emu/machine/nscsi_hd.c

r21500	r21501
72	72
73	73	void nscsi_harddisk_device::scsi_command()
74	74	{
	75	#if 0
	76	if (scsi_cmdbuf[0] != SC_READ)
	77	{
	78	logerror("%s: ", tag());
	79	for (int i = 0; i < 6; i++)
	80	{
	81	logerror("%02x ", scsi_cmdbuf[i]);
	82	}
	83	logerror("\n");
	84	}
	85	#endif
	86
75	87	switch(scsi_cmdbuf[0]) {
76	88	case SC_TEST_UNIT_READY:
77	89	logerror("%s: command TEST UNIT READY\n", tag());
r21500	r21501
91	103	scsi_status_complete(SS_GOOD);
92	104	break;
93	105
	106	case SC_WRITE:
	107	lba = ((scsi_cmdbuf[1] & 0x1f)<<16) | (scsi_cmdbuf[2]<<8) | scsi_cmdbuf[3];
	108	blocks = scsi_cmdbuf[4];
	109	if(!blocks)
	110	blocks = 256;
	111
	112	logerror("%s: command WRITE start=%08x blocks=%04x\n",
	113	tag(), lba, blocks);
	114
	115	scsi_data_out(2, blocks*bytes_per_sector);
	116	scsi_status_complete(SS_GOOD);
	117	break;
	118
94	119	case SC_INQUIRY: {
95	120	int lun = get_lun(scsi_cmdbuf[1] >> 5);
96	121	logerror("%s: command INQUIRY lun=%d EVPD=%d page=%d alloc=%02x link=%02x\n",
r21500	r21501
109	134	scsi_cmdbuf[0] = 0x00; // device is direct-access (e.g. hard disk)
110	135	scsi_cmdbuf[1] = 0x00; // media is not removable
111	136	scsi_cmdbuf[2] = 0x05; // device complies with SPC-3 standard
112		scsi_cmdbuf[3] = 0x02; // response data format = SPC-3 standard
	137	scsi_cmdbuf[3] = 0x01; // response data format = CCS
113	138	// Apple HD SC setup utility needs to see this
114	139	strcpy((char *)&scsi_cmdbuf[8], " SEAGATE");
115		strcpy((char *)&scsi_cmdbuf[16], "          ST225N");
116		strcpy((char *)&scsi_cmdbuf[32], "1.0");
117		if(size > 148)
118		size = 148;
	140	strcpy((char *)&scsi_cmdbuf[15], "          ST225N");
	141	strcpy((char *)&scsi_cmdbuf[31], "1.00");
	142	scsi_cmdbuf[36] = 0x00;   // # of extents high
	143	scsi_cmdbuf[37] = 0x08;   // # of extents low
	144	scsi_cmdbuf[38] = 0x00; // group 0 commands 0-1f
	145	scsi_cmdbuf[39] = 0x99; // commands 0,3,4,7
	146	scsi_cmdbuf[40] = 0xa0; // commands 8, a
	147	scsi_cmdbuf[41] = 0x27; // commands 12,15,16,17
	148	scsi_cmdbuf[42] = 0x34; // commands 1a,1b,1d
	149	scsi_cmdbuf[43] = 0x01; // group 1 commands 20-3f
	150	scsi_cmdbuf[44] = 0x04;
	151	scsi_cmdbuf[45] = 0xa0;
	152	scsi_cmdbuf[46] = 0x01;
	153	scsi_cmdbuf[47] = 0x18;
	154	scsi_cmdbuf[48] = 0x07; // group 7 commands e0-ff
	155	scsi_cmdbuf[49] = 0x00;
	156	scsi_cmdbuf[50] = 0xa0; // commands 8, a
	157	scsi_cmdbuf[51] = 0x00;
	158	scsi_cmdbuf[52] = 0x00;
	159	scsi_cmdbuf[53] = 0xff;   // end of list
	160	if(size > 54)
	161	size = 54;
119	162	scsi_data_in(0, size);
120	163	break;
121	164	}
r21500	r21501
218	261	break;
219	262	}
220	263
	264	case 0x30: { // Apple firmware ID page
	265	scsi_cmdbuf[pos++] = 0xb0; // cPS, page id
	266	scsi_cmdbuf[pos++] = 0x16; // Page length
	267	scsi_cmdbuf[pos++] = 'A';
	268	scsi_cmdbuf[pos++] = 'P';
	269	scsi_cmdbuf[pos++] = 'P';
	270	scsi_cmdbuf[pos++] = 'L';
	271	scsi_cmdbuf[pos++] = 'E';
	272	scsi_cmdbuf[pos++] = ' ';
	273	scsi_cmdbuf[pos++] = 'C';
	274	scsi_cmdbuf[pos++] = 'O';
	275	scsi_cmdbuf[pos++] = 'M';
	276	scsi_cmdbuf[pos++] = 'P';
	277	scsi_cmdbuf[pos++] = 'U';
	278	scsi_cmdbuf[pos++] = 'T';
	279	scsi_cmdbuf[pos++] = 'E';
	280	scsi_cmdbuf[pos++] = 'R';
	281	scsi_cmdbuf[pos++] = ',';
	282	scsi_cmdbuf[pos++] = ' ';
	283	scsi_cmdbuf[pos++] = 'I';
	284	scsi_cmdbuf[pos++] = 'N';
	285	scsi_cmdbuf[pos++] = 'C';
	286	scsi_cmdbuf[pos++] = ' ';
	287	scsi_cmdbuf[pos++] = ' ';
	288	scsi_cmdbuf[pos++] = ' ';
	289	break;
	290	}
	291
221	292	default:
222	293	logerror("%s: mode sense page %02x unhandled\n", tag(), page);
223	294	break;
r21500	r21501
280	351	break;
281	352
282	353	default:
	354	logerror("%s: command %02x ***UNKNOWN***\n", tag(), scsi_cmdbuf[0]);
283	355	nscsi_full_device::scsi_command();
284	356	break;
285	357	}

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