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r14729 Friday 9th March, 2012 at 15:33:46 UTC by Miodrag Milanović
dir works on cd's now (no whatsnew)

[src/emu/machine]	scsicd.c
[src/mess/machine]	isa_ide_cd.c

src/emu/machine/scsicd.c

r14728	r14729
607	607	// indicate max volume
608	608	data[9] = data[11] = data[13] = data[15] = 0xff;
609	609	break;
	610	case 0x2a:   // Page capabilities
	611	data[0] = 0x2a;
	612	data[1] = 0x14;   // page length
	613	data[2] = 0x00; data[3] = 0x00; // CD-R only
	614	data[4] = 0x01; // can play audio
	615	data[5] = 0;
	616	data[6] = 0;
	617	data[7] = 0;
	618	data[8] = 0x02; data[9] = 0xc0; // 4x speed
	619	data[10] = 0;
	620	data[11] = 2; // two volumen levels
	621	data[12] = 0x00; data[13] = 0x00; // buffer
	622	data[14] = 0x02; data[15] = 0xc0; // 4x read speed
	623	data[16] = 0;
	624	data[17] = 0;
	625	data[18] = 0;
	626	data[19] = 0;
	627	data[20] = 0;
	628	data[21] = 0;
	629	break;
610	630
611	631	default:
612	632	logerror("SCSICD: MODE SENSE unknown page %x\n", command[2] & 0x3f);

src/mess/machine/isa_ide_cd.c

r14728	r14729
47	47	int reg, data;
48	48	if (mem_mask == 0x0000ffff)   // word-wide command read
49	49	{
50		logerror("ATAPI: packet read = %04x\n", m_atapi_data[m_atapi_data_ptr]);
	50	//logerror("ATAPI: packet read = %02x%02x\n", m_atapi_data[m_atapi_data_ptr+1],m_atapi_data[m_atapi_data_ptr]);
51	51
52	52	// assert IRQ and drop DRQ
53	53	if (m_atapi_data_ptr == 0 && m_atapi_data_len == 0)
r14728	r14729
78	78	}
79	79	else
80	80	{
81		logerror("ATAPI: dropping DRQ\n");
	81	//logerror("ATAPI: dropping DRQ\n");
82	82	atapi_regs[ATAPI_REG_CMDSTATUS] = 0;
83		atapi_regs[ATAPI_REG_INTREASON] = ATAPI_INTREASON_IO;
	83	atapi_regs[ATAPI_REG_INTREASON] = ATAPI_INTREASON_IO | ATAPI_INTREASON_COMMAND;
84	84	}
85	85
86	86	atapi_regs[ATAPI_REG_COUNTLOW] = m_atapi_xferlen & 0xff;
r14728	r14729
102	102	if( m_atapi_xferlen == 0 )
103	103	{
104	104	atapi_regs[ATAPI_REG_CMDSTATUS] = 0;
105		atapi_regs[ATAPI_REG_INTREASON] = ATAPI_INTREASON_IO;
	105	atapi_regs[ATAPI_REG_INTREASON] = ATAPI_INTREASON_IO | ATAPI_INTREASON_COMMAND;
106	106	atapi_irq(this, ASSERT_LINE);
107	107	}
108	108	}
r14728	r14729
129	129	}
130	130	if (m_cur_drive==1) return 0x00;
131	131	data = atapi_regs[reg];
132		logerror("ATAPI: reg %d = %x (offset %x mask %x) [read]\n", reg, data, offset, mem_mask);
	132	//logerror("ATAPI: reg %d = %x (offset %x mask %x) [%08x][read]\n", reg, data, offset, mem_mask,cpu_get_pc(machine().device("maincpu")));
133	133	data <<= shift;
134	134	}
135	135	return data;
r14728	r14729
147	147
148	148	if (m_atapi_cdata_wait)
149	149	{
150		logerror("ATAPI: waiting, ptr %d wait %d\n", m_atapi_data_ptr, m_atapi_cdata_wait);
	150	//logerror("ATAPI: waiting, ptr %d wait %d\n", m_atapi_data_ptr, m_atapi_cdata_wait);
151	151	if (m_atapi_data_ptr == m_atapi_cdata_wait)
152	152	{
153	153	// send it to the device
r14728	r14729
274	274	if (reg==6) m_cur_drive = (data & 0x10) >> 4;
275	275	if (m_cur_drive==1) return;
276	276	atapi_regs[reg] = data;
277		logerror("ATAPI: reg %d = %x (offset %x mask %x)\n", reg, data, offset, mem_mask);
	277	//logerror("ATAPI: reg %d = %x (offset %x mask %x)\n", reg, data, offset, mem_mask);
278	278
279	279	if (reg == ATAPI_REG_CMDSTATUS)
280	280	{

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