Previous

199869 Revisions

Next

r21788 Sunday 10th March, 2013 at 18:24:39 UTC by Fabio Priuli
(MESS) snes: more accurate mapping of the seta DSP chip for snesnew. nw

[src/mess/drivers]	snes.c
[src/mess/machine]	sns_upd.c

trunk/src/mess/drivers/snes.c

r21787	r21788
2215	2215	else if (m_slotcart->get_type() == SNES_OBC1
2216	2216	&& (offset < 0x400000 && (offset & 0xffff) >= 0x6000 && (offset & 0xffff) < 0x8000))
2217	2217	return m_slotcart->m_cart->chip_read(space, offset);
	2218	else if ((m_slotcart->get_type() == SNES_ST010 /*|| m_slotcart->get_type() == SNES_ST011*/) // why does this break moritash?
	2219	&& (offset >= 0x600000 && offset < 0x680000 && (offset & 0xffff) < 0x4000))
	2220	return m_slotcart->m_cart->chip_read(space, offset);
2218	2221	else if ((m_slotcart->get_type() == SNES_ST010 || m_slotcart->get_type() == SNES_ST011)
2219		&& (offset >= 0x680000 && offset < 0x700000 && (offset & 0xffff) < 0x1000))
	2222	&& (offset >= 0x680000 && offset < 0x700000 && (offset & 0xffff) < 0x8000))
2220	2223	return m_slotcart->m_cart->chip_read(space, offset);
2221		else if ((m_slotcart->get_type() == SNES_ST010 /*|| m_slotcart->get_type() == SNES_ST011*/) // why does this freeze moritash?
2222		&& (offset == 0x600000 || offset == 0x600001))
2223		return m_slotcart->m_cart->chip_read(space, offset);
2224	2224	else if (m_slotcart->get_type() == SNES_SRTC
2225	2225	&& (offset < 0x400000 && (offset & 0xffff) == 0x2800))
2226	2226	return m_slotcart->m_cart->chip_read(space, offset & 0xffff);
r21787	r21788
2280	2280	&& (offset < 0x400000 && (offset & 0xffff) >= 0x6000 && (offset & 0xffff) < 0x8000))
2281	2281	return m_slotcart->m_cart->chip_read(space, offset);
2282	2282	else if ((m_slotcart->get_type() == SNES_ST010 || m_slotcart->get_type() == SNES_ST011)
2283		&& (offset >= 0x680000 && offset < 0x700000 && (offset & 0xffff) < 0x1000))
	2283	&& (offset >= 0x600000 && offset < 0x680000 && (offset & 0xffff) < 0x4000))
2284	2284	return m_slotcart->m_cart->chip_read(space, offset);
2285	2285	else if ((m_slotcart->get_type() == SNES_ST010 || m_slotcart->get_type() == SNES_ST011)
2286		&& (offset == 0x600000 || offset == 0x600001))
	2286	&& (offset >= 0x680000 && offset < 0x700000 && (offset & 0xffff) < 0x8000))
2287	2287	return m_slotcart->m_cart->chip_read(space, offset);
2288	2288	else if (m_slotcart->get_type() == SNES_SRTC
2289	2289	&& (offset < 0x400000 && (offset & 0xffff) == 0x2800))
r21787	r21788
2350	2350	&& (offset < 0x400000 && (offset & 0xffff) >= 0x6000 && (offset & 0xffff) < 0x8000))
2351	2351	m_slotcart->m_cart->chip_write(space, offset, data);
2352	2352	else if ((m_slotcart->get_type() == SNES_ST010 || m_slotcart->get_type() == SNES_ST011)
2353		&& (offset >= 0x680000 && offset < 0x700000 && (offset & 0xffff) < 0x1000))
	2353	&& (offset >= 0x600000 && offset < 0x680000 && (offset & 0xffff) < 0x4000))
2354	2354	m_slotcart->m_cart->chip_write(space, offset, data);
2355	2355	else if ((m_slotcart->get_type() == SNES_ST010 || m_slotcart->get_type() == SNES_ST011)
2356		&& (offset == 0x600000 || offset == 0x600001))
	2356	&& (offset >= 0x680000 && offset < 0x700000 && (offset & 0xffff) < 0x8000))
2357	2357	m_slotcart->m_cart->chip_write(space, offset, data);
2358	2358	else if (m_slotcart->get_type() == SNES_SRTC
2359	2359	&& (offset < 0x400000 && (offset & 0xffff) == 0x2801))
r21787	r21788
2425	2425	&& (offset < 0x400000 && (offset & 0xffff) >= 0x6000 && (offset & 0xffff) < 0x8000))
2426	2426	return m_slotcart->m_cart->chip_write(space, offset, data);
2427	2427	else if ((m_slotcart->get_type() == SNES_ST010 || m_slotcart->get_type() == SNES_ST011)
2428		&& (offset >= 0x680000 && offset < 0x700000 && (offset & 0xffff) < 0x1000))
	2428	&& (offset >= 0x600000 && offset < 0x680000 && (offset & 0xffff) < 0x4000))
2429	2429	m_slotcart->m_cart->chip_write(space, offset, data);
2430	2430	else if ((m_slotcart->get_type() == SNES_ST010 || m_slotcart->get_type() == SNES_ST011)
2431		&& (offset == 0x600000 || offset == 0x600001))
	2431	&& (offset >= 0x680000 && offset < 0x700000 && (offset & 0xffff) < 0x8000))
2432	2432	m_slotcart->m_cart->chip_write(space, offset, data);
2433	2433	else if (m_slotcart->get_type() == SNES_SRTC
2434	2434	&& (offset < 0x400000 && (offset & 0xffff) == 0x2801))

trunk/src/mess/machine/sns_upd.c

r21787	r21788
214	214
215	215	READ8_MEMBER( sns_rom_setadsp_device::chip_read )
216	216	{
217		if (offset >= 0x680000 && offset < 0x700000 && (offset & 0xffff) < 0x1000)
	217	if (offset >= 0x600000 && offset < 0x680000 && (offset & 0xffff) < 0x4000)
	218	m_upd96050->snesdsp_read((offset & 0x01) ? FALSE : TRUE);
	219
	220	if (offset >= 0x680000 && offset < 0x700000 && (offset & 0xffff) < 0x8000)
218	221	{
219	222	UINT16 address = offset & 0xffff;
220	223	UINT16 temp = m_upd96050->dataram_r(address/2);
r21787	r21788
223	226	else
224	227	return temp & 0xff;
225	228	}
226		if (offset == 0x600000 || offset == 0x600001)
227		return (offset & 1) ? m_upd96050->snesdsp_read(FALSE) : m_upd96050->snesdsp_read(TRUE);
228	229
229	230	return 0xff;
230	231	}
r21787	r21788
232	233
233	234	WRITE8_MEMBER( sns_rom_setadsp_device::chip_write )
234	235	{
235		if (offset >= 0x680000 && offset < 0x700000 && (offset & 0xffff) < 0x1000)
	236	if (offset >= 0x600000 && offset < 0x680000 && (offset & 0xffff) < 0x4000)
236	237	{
	238	m_upd96050->snesdsp_write((offset & 0x01) ? FALSE : TRUE, data);
	239	return;
	240	}
	241
	242	if (offset >= 0x680000 && offset < 0x700000 && (offset & 0xffff) < 0x8000)
	243	{
237	244	UINT16 address = offset & 0xffff;
238	245	UINT16 temp = m_upd96050->dataram_r(address/2);
239	246
r21787	r21788
251	258	m_upd96050->dataram_w(address/2, temp);
252	259	return;
253	260	}
254		if (offset == 0x600000)
255		m_upd96050->snesdsp_write(TRUE, data);
256		if (offset == 0x600001)
257		m_upd96050->snesdsp_write(FALSE, data);
258	261	}
259	262
260	263

Previous

199869 Revisions

Next

---

© 1997-2024 The MAME Team