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r29174 Wednesday 2nd April, 2014 at 07:26:45 UTC by O. Galibert
namcos23: Fix 3D computations in timecrs2 [O. Galibert]

[src/mame/drivers]

namcos23.c

trunk/src/mame/drivers/namcos23.c

r29173	r29174
1427	1427	UINT32 m_tile_mask;
1428	1428	UINT32 m_ptrom_limit;
1429	1429
	1430	int m_vblank_count;
	1431
1430	1432	// It may only be 128
1431	1433	// At 0x1e bytes per slot, rounded up to 0x20, that's 0x1000 to 0x2000 bytes.
1432	1434	// That fits pretty much anywhere, including inside a IC
r29173	r29174
1614	1616	logerror("WARNING: c435_matrix_matrix_mul with +2=%04x\n", m_c435_buffer[3]);
1615	1617
1616	1618	INT16 *t        = c435_getm(m_c435_buffer[1]);
1617		const INT16 *m1 = c435_getm(m_c435_buffer[2]);
1618		const INT16 *m2 = c435_getm(m_c435_buffer[4]);
	1619	const INT16 *m2 = c435_getm(m_c435_buffer[2]);
	1620	const INT16 *m1 = c435_getm(m_c435_buffer[4]);
1619	1621
1620		t[0] = INT16((m1[0]*m2[0] + m1[1]*m2[3] + m1[2]*m2[6]) >> 14);
1621		t[1] = INT16((m1[0]*m2[1] + m1[1]*m2[4] + m1[2]*m2[7]) >> 14);
1622		t[2] = INT16((m1[0]*m2[2] + m1[1]*m2[5] + m1[2]*m2[8]) >> 14);
1623		t[3] = INT16((m1[3]*m2[0] + m1[4]*m2[3] + m1[5]*m2[6]) >> 14);
1624		t[4] = INT16((m1[3]*m2[1] + m1[4]*m2[4] + m1[5]*m2[7]) >> 14);
1625		t[5] = INT16((m1[3]*m2[2] + m1[4]*m2[5] + m1[5]*m2[8]) >> 14);
1626		t[6] = INT16((m1[6]*m2[0] + m1[7]*m2[3] + m1[8]*m2[6]) >> 14);
1627		t[7] = INT16((m1[6]*m2[1] + m1[7]*m2[4] + m1[8]*m2[7]) >> 14);
1628		t[8] = INT16((m1[6]*m2[2] + m1[7]*m2[5] + m1[8]*m2[8]) >> 14);
	1622	t[0] = INT16((m1[0]*m2[0] + m1[1]*m2[1] + m1[2]*m2[2]) >> 14);
	1623	t[1] = INT16((m1[0]*m2[3] + m1[1]*m2[4] + m1[2]*m2[5]) >> 14);
	1624	t[2] = INT16((m1[0]*m2[6] + m1[1]*m2[7] + m1[2]*m2[8]) >> 14);
	1625	t[3] = INT16((m1[3]*m2[0] + m1[4]*m2[1] + m1[5]*m2[2]) >> 14);
	1626	t[4] = INT16((m1[3]*m2[3] + m1[4]*m2[4] + m1[5]*m2[5]) >> 14);
	1627	t[5] = INT16((m1[3]*m2[6] + m1[4]*m2[7] + m1[5]*m2[8]) >> 14);
	1628	t[6] = INT16((m1[6]*m2[0] + m1[7]*m2[1] + m1[8]*m2[2]) >> 14);
	1629	t[7] = INT16((m1[6]*m2[3] + m1[7]*m2[4] + m1[8]*m2[5]) >> 14);
	1630	t[8] = INT16((m1[6]*m2[6] + m1[7]*m2[7] + m1[8]*m2[8]) >> 14);
1629	1631	}
1630	1632
1631	1633	void namcos23_state::c435_matrix_set() // 004.
r29173	r29174
1667	1669	const INT32 *v = c435_getv(m_c435_buffer[4]);
1668	1670
1669	1671	t[0] = INT32((m[0]*INT64(v[0]) + m[1]*INT64(v[1]) + m[2]*INT64(v[2])) >> 14);
1670		t[1] = INT32((m[3]*INT64(v[0]) + m[4]*INT64(v[1]) + m[7]*INT64(v[2])) >> 14);
	1672	t[1] = INT32((m[3]*INT64(v[0]) + m[4]*INT64(v[1]) + m[5]*INT64(v[2])) >> 14);
1671	1673	t[2] = INT32((m[6]*INT64(v[0]) + m[7]*INT64(v[1]) + m[8]*INT64(v[2])) >> 14);
1672	1674	}
1673	1675
r29173	r29174
1685	1687	const INT16 *m = c435_getm(m_c435_buffer[2]);
1686	1688	const INT32 *v = c435_getv(m_c435_buffer[4]);
1687	1689
1688		t[0] = INT32((m[0]*INT64(v[0]) + m[3]*INT64(v[1]) + m[6]*INT64(v[2])) >> 14);
1689		t[1] = INT32((m[1]*INT64(v[0]) + m[4]*INT64(v[1]) + m[7]*INT64(v[2])) >> 14);
1690		t[2] = INT32((m[2]*INT64(v[0]) + m[5]*INT64(v[1]) + m[8]*INT64(v[2])) >> 14);
	1690	t[0] = INT32((m[0]*INT64(v[0]) + m[1]*INT64(v[1]) + m[2]*INT64(v[2])) >> 14);
	1691	t[1] = INT32((m[3]*INT64(v[0]) + m[4]*INT64(v[1]) + m[5]*INT64(v[2])) >> 14);
	1692	t[2] = INT32((m[6]*INT64(v[0]) + m[7]*INT64(v[1]) + m[8]*INT64(v[2])) >> 14);
1691	1693	}
1692	1694
1693	1695	void namcos23_state::c435_scaling_set() // 44..
r29173	r29174
1730	1732
1731	1733	void namcos23_state::c435_render() // 800. 808.
1732	1734	{
1733		if(m_c435_buffer[0] != 0x8003 && m_c435_buffer[0] != 0x8083)
	1735	if(m_c435_buffer[0] != 0x8003 && m_c435_buffer[0] != 0x8043 && m_c435_buffer[0] != 0x8083)
1734	1736	{
1735	1737	logerror("WARNING: c435_render with header %04x\n", m_c435_buffer[0]);
1736	1738	return;
r29173	r29174
1812	1814	case 0x4400: c435_scaling_set(); break;
1813	1815	case 0x4f00: c435_state_set(); break;
1814	1816	case 0x8000: c435_render(); break;
	1817	case 0x8040: c435_render(); break;
1815	1818	case 0x8080: c435_render(); break;
1816	1819	case 0xc000: c435_flush(); break;
1817	1820	default:
r29173	r29174
1902	1905
1903	1906	void namcos23_state::render_apply_transform(INT32 xi, INT32 yi, INT32 zi, const namcos23_render_entry *re, poly_vertex &pv)
1904	1907	{
1905		pv.x =    (INT32((re->model.m[0]*INT64(xi) + re->model.m[3]*INT64(yi) + re->model.m[6]*INT64(zi)) >> 14)*re->model.scaling + re->model.v[0])/16384.0;
1906		pv.y =    (INT32((re->model.m[1]*INT64(xi) + re->model.m[4]*INT64(yi) + re->model.m[7]*INT64(zi)) >> 14)*re->model.scaling + re->model.v[1])/16384.0;
1907		pv.p[0] = (INT32((re->model.m[2]*INT64(xi) + re->model.m[5]*INT64(yi) + re->model.m[8]*INT64(zi)) >> 14)*re->model.scaling + re->model.v[2])/16384.0;
	1908	pv.x =    (INT32((re->model.m[0]*INT64(xi) + re->model.m[1]*INT64(yi) + re->model.m[2]*INT64(zi)) >> 14)*re->model.scaling + re->model.v[0])/16384.0;
	1909	pv.y =    (INT32((re->model.m[3]*INT64(xi) + re->model.m[4]*INT64(yi) + re->model.m[5]*INT64(zi)) >> 14)*re->model.scaling + re->model.v[1])/16384.0;
	1910	pv.p[0] = (INT32((re->model.m[6]*INT64(xi) + re->model.m[7]*INT64(yi) + re->model.m[8]*INT64(zi)) >> 14)*re->model.scaling + re->model.v[2])/16384.0;
1908	1911	}
1909	1912
1910	1913	void namcos23_state::render_apply_matrot(INT32 xi, INT32 yi, INT32 zi, const namcos23_render_entry *re, INT32 &x, INT32 &y, INT32 &z)
r29173	r29174
1963	1966	UINT32 type = m_ptrom[adr++];
1964	1967	UINT32 h    = m_ptrom[adr++];
1965	1968
1966
1967	1969	float tbase = (type >> 24) << 12;
1968	1970	UINT8 color = (h >> 24) & 0x7f;
1969	1971	int lmode = (type >> 19) & 3;
r29173	r29174
2004	2006
2005	2007	switch(lmode)
2006	2008	{
2007		case 0: case 1:
	2009	case 0:
2008	2010	pv[i].p[3] = ((light >> (8*(3-i))) & 0xff) / 64.0;
2009	2011	break;
	2012	case 1:
	2013	pv[i].p[3] = ((light >> (8*(3-i))) & 0xff) / 64.0;
	2014	break;
2010	2015	case 2:
2011	2016	pv[i].p[3] = 1.0;
2012	2017	break;
r29173	r29174
2018	2023	INT32 nz = u32_to_s10(norm);
2019	2024	INT32 nrx, nry, nrz;
2020	2025	render_apply_matrot(nx, ny, nz, re, nrx, nry, nrz);
2021
2022	2026	float lsi = float(nrx*m_light_vector[0] + nry*m_light_vector[1] + nrz*m_light_vector[2])/4194304.0;
2023	2027	if(lsi < 0)
2024	2028	lsi = 0;
2025	2029
2026	2030	// Mapping taken out of a hat
2027		pv[i].p[3] = 0.5+lsi;
	2031	pv[i].p[3] = 0.25+1.5*lsi;
2028	2032	break;
2029	2033	}
2030	2034	}
r29173	r29174
2201	2205	if (m_c404.layer & 4)
2202	2206	m_bgtilemap->draw(screen, bitmap, cliprect, 0, 0);
2203	2207
	2208	m_vblank_count++;
	2209
2204	2210	return 0;
2205	2211	}
2206	2212
r29173	r29174
2323	2329	m_c417.pointrom_adr = 0;
2324	2330	break;
2325	2331	case 4:
2326		//logerror("c417_w %04x = %04x (%08x, %08x)\n", c417.adr, data, space.device().safe_pc(), (unsigned int)space.device().state().state_int(MIPS3_R31));
	2332	//logerror("c417_w %04x = %04x (%08x, %08x)\n", m_c417.adr, data, space.device().safe_pc(), (unsigned int)space.device().state().state_int(MIPS3_R31));
2327	2333	COMBINE_DATA(m_c417.ram + m_c417.adr);
2328	2334	break;
2329	2335	case 7:
r29173	r29174
3164	3170	PORT_BIT( 0xffff, IP_ACTIVE_LOW, IPT_UNKNOWN )
3165	3171
3166	3172	PORT_START("SERVICE")
3167		PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_SERVICE1 )
	3173	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_SERVICE )
3168	3174
3169	3175	PORT_START("DSW")
3170	3176	PORT_SERVICE( 0x01, IP_ACTIVE_LOW )
r29173	r29174
3222	3228
3223	3229	void namcos23_state::machine_reset()
3224	3230	{
	3231	m_vblank_count = 0;
3225	3232	m_c435_buffer_pos = 0;
3226	3233	m_subcpu->set_input_line(INPUT_LINE_RESET, ASSERT_LINE);
3227	3234	}

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