Previous

199869 Revisions

Next

r20492 Saturday 26th January, 2013 at 15:21:29 UTC by Robbbert
(MESS) IP20 removed tags fwiw (nw)

[src/mess/drivers]

ip20.c

trunk/src/mess/drivers/ip20.c

r20491	r20492
48	48	public:
49	49	ip20_state(const machine_config &mconfig, device_type type, const char *tag)
50	50	: driver_device(mconfig, type, tag),
51		m_wd33c93(*this, "scsi:wd33c93"){ }
	51	m_wd33c93(*this, "scsi:wd33c93"),
	52	m_scc(*this, "scc"),
	53	m_eeprom(*this, "eeprom")
	54	{ }
52	55
53		required_device<wd33c93_device> m_wd33c93;
54
55	56	HPC_t m_HPC;
56	57	RTC_t m_RTC;
57	58	DECLARE_READ32_MEMBER(hpc_r);
r20491	r20492
63	64	virtual void video_start();
64	65	UINT32 screen_update_ip204415(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
65	66	TIMER_CALLBACK_MEMBER(ip20_timer);
	67	required_device<wd33c93_device> m_wd33c93;
	68	required_device<scc8530_t> m_scc;
	69	required_device<eeprom_device> m_eeprom;
66	70	};
67	71
68	72
r20491	r20492
115	119
116	120	READ32_MEMBER(ip20_state::hpc_r)
117	121	{
118		scc8530_t *scc;
119	122	offset <<= 2;
120	123	if( offset >= 0x0e00 && offset <= 0x0e7c )
121	124	{
r20491	r20492
156	159	return m_HPC.nMiscStatus;
157	160	case 0x01bc:
158	161	//      verboselog(machine, 2, "HPC CPU Serial EEPROM Read\n" );
159		return ( (machine().device<eeprom_device>("eeprom")->read_bit() << 4 ) );
	162	return m_eeprom->read_bit() << 4;
160	163	case 0x01c4:
161	164	verboselog(machine(), 2, "HPC Local IO Register 0 Mask Read: %08x (%08x)\n", m_HPC.nLocalIOReg0Mask, mem_mask );
162	165	return m_HPC.nLocalIOReg0Mask;
r20491	r20492
172	175	case 0x0d00:
173	176	verboselog(machine(), 2, "HPC DUART0 Channel B Control Read\n" );
174	177	//      return 0x00000004;
175		return 0x7c; //scc->reg_r(space, 0);
	178	return 0x7c; //m_scc->reg_r(space, 0);
176	179	case 0x0d04:
177	180	verboselog(machine(), 2, "HPC DUART0 Channel B Data Read\n" );
178	181	//      return 0;
179		scc = machine().device<scc8530_t>("scc");
180		return scc->reg_r(space, 2);
	182	return m_scc->reg_r(space, 2);
181	183	case 0x0d08:
182	184	verboselog(machine(), 2, "HPC DUART0 Channel A Control Read (%08x)\n", mem_mask  );
183	185	//      return 0x40;
184		return 0x7c; //scc->reg_r(space, 1);
	186	return 0x7c; //m_scc->reg_r(space, 1);
185	187	case 0x0d0c:
186	188	verboselog(machine(), 2, "HPC DUART0 Channel A Data Read\n" );
187	189	//      return 0;
188		scc = machine().device<scc8530_t>("scc");
189		return scc->reg_r(space, 3);
	190	return m_scc->reg_r(space, 3);
190	191	case 0x0d10:
191	192	//      verboselog(machine, 2, "HPC DUART1 Channel B Control Read\n" );
192	193	return 0x00000004;
r20491	r20492
230	231
231	232	WRITE32_MEMBER(ip20_state::hpc_w)
232	233	{
233		scc8530_t *scc;
234		eeprom_device *eeprom;
235		eeprom = machine().device<eeprom_device>("eeprom");
236	234	offset <<= 2;
237	235	if( offset >= 0x0e00 && offset <= 0x0e7c )
238	236	{
r20491	r20492
345	343	{
346	344	verboselog(machine(), 2, "    CPU board LED on\n" );
347	345	}
348		eeprom->write_bit((data & 0x00000008) ? 1 : 0 );
349		eeprom->set_cs_line((data & 0x00000002) ? ASSERT_LINE : CLEAR_LINE );
350		eeprom->set_clock_line((data & 0x00000004) ? CLEAR_LINE : ASSERT_LINE );
	346	m_eeprom->write_bit((data & 0x00000008) ? 1 : 0 );
	347	m_eeprom->set_cs_line((data & 0x00000002) ? ASSERT_LINE : CLEAR_LINE );
	348	m_eeprom->set_clock_line((data & 0x00000004) ? CLEAR_LINE : ASSERT_LINE );
351	349	break;
352	350	case 0x01c4:
353	351	verboselog(machine(), 2, "HPC Local IO Register 0 Mask Write: %08x (%08x)\n", data, mem_mask );
r20491	r20492
367	365	break;
368	366	case 0x0d00:
369	367	verboselog(machine(), 2, "HPC DUART0 Channel B Control Write: %08x (%08x)\n", data, mem_mask );
370		scc = machine().device<scc8530_t>("scc");
371		scc->reg_w(space, 0, data);
	368	m_scc->reg_w(space, 0, data);
372	369	break;
373	370	case 0x0d04:
374	371	verboselog(machine(), 2, "HPC DUART0 Channel B Data Write: %08x (%08x)\n", data, mem_mask );
375		scc = machine().device<scc8530_t>("scc");
376		scc->reg_w(space, 2, data);
	372	m_scc->reg_w(space, 2, data);
377	373	break;
378	374	case 0x0d08:
379	375	verboselog(machine(), 2, "HPC DUART0 Channel A Control Write: %08x (%08x)\n", data, mem_mask );
380		scc = machine().device<scc8530_t>("scc");
381		scc->reg_w(space, 1, data);
	376	m_scc->reg_w(space, 1, data);
382	377	break;
383	378	case 0x0d0c:
384	379	verboselog(machine(), 2, "HPC DUART0 Channel A Data Write: %08x (%08x)\n", data, mem_mask );
385		scc = machine().device<scc8530_t>("scc");
386		scc->reg_w(space, 3, data);
	380	m_scc->reg_w(space, 3, data);
387	381	break;
388	382	case 0x0d10:
389	383	if( ( data & 0x000000ff ) >= 0x00000020 )

Previous

199869 Revisions

Next

---

© 1997-2024 The MAME Team