MAME SVN History

199869 Revisions

r21919 Sunday 17th March, 2013 at 22:23:05 UTC by David Haywood
deco_mlc - some improvement to stadhr96

[src/mame/drivers]	deco_mlc.c
[src/mame/includes]	deco_mlc.h
[src/mame/video]	deco_mlc.c

trunk/src/mame/drivers/deco_mlc.c
r21918	r21919
206	206	return m_mlc_vram[offset]&0xffff;
207	207	}
208	208
	209	// there is more to this, it controls the runner on the attract screen before the title should appear at least
209	210	READ32_MEMBER(deco_mlc_state::stadhr96_prot_146_r)
210	211	{
211	212	/*
r21918	r21919
217	218	*/
218	219	offset<<=1;
219	220
220		logerror("%08x: Read prot %04x\n", space.device().safe_pc(), offset);
221	221
222	222	if (offset==0x5c4)
223	223	return 0xaa55 << 16;
r21918	r21919
228	228	if (offset==0x304)
229	229	return 0x0001 << 16; // Unknown, is either 0,1,2,3
230	230
	231	printf("%08x: Read prot %08x\n", space.device().safe_pc(), offset);
	232
231	233	return 0;
232	234	}
233	235
	236	WRITE32_MEMBER(deco_mlc_state::stadhr96_prot_146_w)
	237	{
	238	printf("%08x: Write prot %04x %08x\n", space.device().safe_pc(), offset, data);
	239	}
	240
234	241	/******************************************************************************/
235	242
236	243	static ADDRESS_MAP_START( decomlc_map, AS_PROGRAM, 32, deco_mlc_state )
r21918	r21919
250	257	AM_RANGE(0x044001c, 0x044001f) AM_WRITENOP AM_MIRROR(0xff000000)
251	258	AM_RANGE(0x0500000, 0x0500003) AM_WRITE(avengrs_eprom_w) AM_MIRROR(0xff000000)
252	259	AM_RANGE(0x0600000, 0x0600007) AM_DEVREADWRITE8_LEGACY("ymz", ymz280b_r, ymz280b_w, 0xff000000) AM_MIRROR(0xff000000)
253		AM_RANGE(0x070f000, 0x070ffff) AM_READ(stadhr96_prot_146_r) AM_MIRROR(0xff000000)
254		// AM_RANGE(0x070f000, 0x070ffff) AM_READ_LEGACY(stadhr96_prot_146_w) AM_SHARE("prot32ram")
	260	AM_RANGE(0x070f000, 0x070ffff) AM_READWRITE(stadhr96_prot_146_r, stadhr96_prot_146_w) AM_MIRROR(0xff000000)
255	261	ADDRESS_MAP_END
256	262
257	263	/******************************************************************************/

trunk/src/mame/includes/deco_mlc.h
r21918	r21919
16	16	required_shared_ptr<UINT32> m_mlc_vram;
17	17	timer_device *m_raster_irq_timer;
18	18	int m_mainCpuIsArm;
19		int m_mlc_raster_table[9][256];
	19	UINT32 m_mlc_raster_table_1[4*256];
	20	UINT32 m_mlc_raster_table_2[4*256];
	21	UINT32 m_mlc_raster_table_3[4*256];
20	22	UINT32 m_vbl_i;
21	23	int m_lastScanline[9];
22	24	UINT32 m_colour_mask;
r21918	r21919
30	32	DECLARE_READ32_MEMBER(mlc_spriteram_r);
31	33	DECLARE_READ32_MEMBER(mlc_vram_r);
32	34	DECLARE_READ32_MEMBER(stadhr96_prot_146_r);
	35	DECLARE_WRITE32_MEMBER(stadhr96_prot_146_w);
33	36	DECLARE_READ32_MEMBER(avengrgs_speedup_r);
34	37	DECLARE_WRITE32_MEMBER(avengrs_eprom_w);
35	38	DECLARE_DRIVER_INIT(mlc);

trunk/src/mame/video/deco_mlc.c
r21918	r21919
336	336	if(fx1&1) fx^=0x8000;
337	337	if(fy1&1) fy^=0x4000;
338	338
	339	int extra_x_scale = 0x100;
	340
	341	// I think we need some hardware tests..
	342	// see notes about how this can't be our enable register (avengrgs doesn't touch it
	343	// and relies on something else, probably just the bits we use to select the window)
	344	// (although as previously noted, it isn't writing valid per-scanline values either)
339	345	if (rasterMode)
340	346	{
341		int irq_base_reg = 12 /* 6, 9, 12 */;
	347	// use of these is a bit weird.
	348	// -ZZZ -xxx ---- -yyy -XXX -zzz
342	349
343		int extra_y_off = m_irq_ram[irq_base_reg+0] & 0x7ff;
344		int extra_x_off = m_irq_ram[irq_base_reg+1] & 0x7ff;
345		int extra_y_scale = (m_irq_ram[irq_base_reg+2]>>16) & 0x7ff;
346		int extra_x_scale = (m_irq_ram[irq_base_reg+2]>>0) & 0x7ff;
	350	// xxx = x offset?
	351	// yyy = y offset?
	352	// zzz = xzoom (confirmed? stadium hero)
	353	// 0x100 = no zoom
	354	//
	355	// XXX = duplicate bits of xxx?
	356	// ZZZ = (sometimes) duplicate bits of zzz
347	357
348		if (extra_x_off & 0x400) extra_x_off -= 0x800;
349		if (extra_y_off & 0x400) extra_y_off -= 0x800;
	358	if ((clipper==0x0) \|\| (clipper==0x2))
	359	{
	360
	361	int irq_base_reg; /* 6, 9, 12 are possible */
	362	if (clipper== 0) irq_base_reg = 6; // OK upper screen.. left?
	363	else if (clipper== 2) irq_base_reg = 9; // OK upper screen.. main / center
	364	else irq_base_reg = 12;
	365
	366	int extra_y_off = m_irq_ram[irq_base_reg+0] & 0x7ff;
	367	int extra_x_off = m_irq_ram[irq_base_reg+1] & 0x7ff;
	368	extra_x_scale = (m_irq_ram[irq_base_reg+2]>>0) & 0x3ff;
	369
	370	if (extra_x_off & 0x400) { extra_x_off = (-extra_x_off & 0x3ff); } else { extra_x_off = (extra_x_off & 0x3ff); }
	371	if (extra_y_off & 0x400) { extra_x_off = (-extra_y_off & 0x3ff); } else { extra_y_off = (extra_y_off & 0x3ff); }
350	372
351		if (extra_y_scale & 0x400) extra_y_scale -= 0x800;
352		if (extra_x_scale & 0x400) extra_x_scale -= 0x800;
353	373
354		x += extra_x_off;
355		y += extra_y_off;
	374	x += extra_x_off;
	375	y += extra_y_off;
	376	}
	377	else if (clipper==0x1)
	378	{
	379	// right?
	380	}
	381	else if (clipper==0x3)
	382	{
	383	// bottom?
	384	}
356	385
357		xscale += extra_x_scale;
358		yscale += extra_y_scale;
359
360	386	}
361	387
	388	xscale *= extra_x_scale;
	389
362	390	int ybase=y<<16;
363	391	int yinc=(yscale<<8)*16;
364	392
r21918	r21919
368	396	ybase-=yoffs * (yscale<<8);
369	397
370	398	int xbase=x<<16;
371		int xinc=(xscale~~<<8~~)*16;
	399	int xinc=(xscale)*16;
372	400
373	401	if (fx)
374		xbase+=(xoffs-15) * (xscale~~<<8~~) - ((w-1)*xinc);
	402	xbase+=(xoffs-15) * (xscale) - ((w-1)*xinc);
375	403	else
376		xbase-=xoffs * (xscale~~<<8~~);
	404	xbase-=xoffs * (xscale);
377	405
378	406
379	407	int full_realybase = ybase;
r21918	r21919
490	518	tile,tile2,
491	519	color + colorOffset,fx,realxbase,
492	520	0,
493		use8bppMode,(xscale~~<<8~~),alpha, srcline);
	521	use8bppMode,(xscale),alpha, srcline);
494	522
495	523	}
496	524

199869 Revisions