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-rw-r--r--src/mame/audio/tiamc1.cpp6
1 files changed, 3 insertions, 3 deletions
diff --git a/src/mame/audio/tiamc1.cpp b/src/mame/audio/tiamc1.cpp
index 3be08b7b551..09ac9e8aa4a 100644
--- a/src/mame/audio/tiamc1.cpp
+++ b/src/mame/audio/tiamc1.cpp
@@ -34,7 +34,7 @@
***************************************************************************/
#include "emu.h"
-#include "includes/tiamc1.h"
+#include "audio/tiamc1.h"
#define CLOCK_DIVIDER 16
#define BUF_LEN 100000
@@ -46,7 +46,7 @@
// device type definition
-const device_type TIAMC1 = device_creator<tiamc1_sound_device>;
+DEFINE_DEVICE_TYPE(TIAMC1, tiamc1_sound_device, "tiamc1_sound", "TIA-MC1 Audio Custom")
//**************************************************************************
@@ -58,7 +58,7 @@ const device_type TIAMC1 = device_creator<tiamc1_sound_device>;
//-------------------------------------------------
tiamc1_sound_device::tiamc1_sound_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
- : device_t(mconfig, TIAMC1, "TIA-MC1 Audio Custom", tag, owner, clock, "tiamc1_sound", __FILE__),
+ : device_t(mconfig, TIAMC1, tag, owner, clock),
device_sound_interface(mconfig, *this),
m_channel(nullptr),
m_timer1_divider(0)
> 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355
/***************************************************************************

  video.c

  Functions to emulate the video hardware of the machine.

***************************************************************************/

#include "emu.h"
#include "video/resnet.h"
#include "includes/ironhors.h"

/***************************************************************************

  Convert the color PROMs into a more useable format.

***************************************************************************/

void ironhors_state::palette_init()
{
	const UINT8 *color_prom = memregion("proms")->base();
	static const int resistances[4] = { 2000, 1000, 470, 220 };
	double rweights[4], gweights[4], bweights[4];
	int i;

	/* compute the color output resistor weights */
	compute_resistor_weights(0, 255, -1.0,
			4, resistances, rweights, 1000, 0,
			4, resistances, gweights, 1000, 0,
			4, resistances, bweights, 1000, 0);

	/* allocate the colortable */
	machine().colortable = colortable_alloc(machine(), 0x100);

	/* create a lookup table for the palette */
	for (i = 0; i < 0x100; i++)
	{
		int bit0, bit1, bit2, bit3;
		int r, g, b;

		/* red component */
		bit0 = (color_prom[i + 0x000] >> 0) & 0x01;
		bit1 = (color_prom[i + 0x000] >> 1) & 0x01;
		bit2 = (color_prom[i + 0x000] >> 2) & 0x01;
		bit3 = (color_prom[i + 0x000] >> 3) & 0x01;
		r = combine_4_weights(rweights, bit0, bit1, bit2, bit3);

		/* green component */
		bit0 = (color_prom[i + 0x100] >> 0) & 0x01;
		bit1 = (color_prom[i + 0x100] >> 1) & 0x01;
		bit2 = (color_prom[i + 0x100] >> 2) & 0x01;
		bit3 = (color_prom[i + 0x100] >> 3) & 0x01;
		g = combine_4_weights(gweights, bit0, bit1, bit2, bit3);

		/* blue component */
		bit0 = (color_prom[i + 0x200] >> 0) & 0x01;
		bit1 = (color_prom[i + 0x200] >> 1) & 0x01;
		bit2 = (color_prom[i + 0x200] >> 2) & 0x01;
		bit3 = (color_prom[i + 0x200] >> 3) & 0x01;
		b = combine_4_weights(bweights, bit0, bit1, bit2, bit3);

		colortable_palette_set_color(machine().colortable, i, MAKE_RGB(r, g, b));
	}

	/* color_prom now points to the beginning of the lookup table,*/
	color_prom += 0x300;

	/* characters use colors 0x10-0x1f of each 0x20 color bank,
	   while sprites use colors 0-0x0f */
	for (i = 0; i < 0x200; i++)
	{
		int j;

		for (j = 0; j < 8; j++)
		{
			UINT8 ctabentry = (j << 5) | ((~i & 0x100) >> 4) | (color_prom[i] & 0x0f);
			colortable_entry_set_value(machine().colortable, ((i & 0x100) << 3) | (j << 8) | (i & 0xff), ctabentry);
		}
	}
}

WRITE8_MEMBER(ironhors_state::ironhors_videoram_w)
{
	m_videoram[offset] = data;
	m_bg_tilemap->mark_tile_dirty(offset);
}

WRITE8_MEMBER(ironhors_state::ironhors_colorram_w)
{
	m_colorram[offset] = data;
	m_bg_tilemap->mark_tile_dirty(offset);
}

WRITE8_MEMBER(ironhors_state::ironhors_charbank_w)
{
	if (m_charbank != (data & 0x03))
	{
		m_charbank = data & 0x03;
		machine().tilemap().mark_all_dirty();
	}

	m_spriterambank = data & 0x08;

	/* other bits unknown */
}

WRITE8_MEMBER(ironhors_state::ironhors_palettebank_w)
{
	if (m_palettebank != (data & 0x07))
	{
		m_palettebank = data & 0x07;
		machine().tilemap().mark_all_dirty();
	}

	coin_counter_w(machine(), 0, data & 0x10);
	coin_counter_w(machine(), 1, data & 0x20);

	/* bit 6 unknown - set after game over */

	if (data & 0x88)
		popmessage("ironhors_palettebank_w %02x",data);
}

WRITE8_MEMBER(ironhors_state::ironhors_flipscreen_w)
{
	if (flip_screen() != (~data & 0x08))
	{
		flip_screen_set(~data & 0x08);
		machine().tilemap().mark_all_dirty();
	}

	/* other bits are used too, but unknown */
}

TILE_GET_INFO_MEMBER(ironhors_state::get_bg_tile_info)
{
	int code = m_videoram[tile_index] + ((m_colorram[tile_index] & 0x40) << 2) +
		((m_colorram[tile_index] & 0x20) << 4) + (m_charbank << 10);
	int color = (m_colorram[tile_index] & 0x0f) + 16 * m_palettebank;
	int flags = ((m_colorram[tile_index] & 0x10) ? TILE_FLIPX : 0) |
		((m_colorram[tile_index] & 0x20) ? TILE_FLIPY : 0);

	SET_TILE_INFO_MEMBER(m_gfxdecode, 0, code, color, flags);
}

void ironhors_state::video_start()
{
	m_bg_tilemap = &machine().tilemap().create(tilemap_get_info_delegate(FUNC(ironhors_state::get_bg_tile_info),this), TILEMAP_SCAN_ROWS, 8, 8, 32, 32);

	m_bg_tilemap->set_scroll_rows(32);
}

void ironhors_state::draw_sprites( bitmap_ind16 &bitmap, const rectangle &cliprect )
{
	int offs;
	UINT8 *sr;

	if (m_spriterambank != 0)
		sr = m_spriteram;
	else
		sr = m_spriteram2;

	for (offs = 0; offs < m_spriteram.bytes(); offs += 5)
	{
		int sx = sr[offs + 3];
		int sy = sr[offs + 2];
		int flipx = sr[offs + 4] & 0x20;
		int flipy = sr[offs + 4] & 0x40;
		int code = (sr[offs] << 2) + ((sr[offs + 1] & 0x03) << 10) + ((sr[offs + 1] & 0x0c) >> 2);
		int color = ((sr[offs + 1] & 0xf0) >> 4) + 16 * m_palettebank;
	//  int mod = flip_screen() ? -8 : 8;

		if (flip_screen())
		{
			sx = 240 - sx;
			sy = 240 - sy;
			flipx = !flipx;
			flipy = !flipy;
		}

		switch (sr[offs + 4] & 0x0c)
		{
			case 0x00:  /* 16x16 */
				m_gfxdecode->gfx(1)->transpen(bitmap,cliprect,
						code/4,
						color,
						flipx,flipy,
						sx,sy,0);
				break;

			case 0x04:  /* 16x8 */
				{
					if (flip_screen()) sy += 8; // this fixes the train wheels' position

					m_gfxdecode->gfx(2)->transpen(bitmap,cliprect,
							code & ~1,
							color,
							flipx,flipy,
							flipx?sx+8:sx,sy,0);
					m_gfxdecode->gfx(2)->transpen(bitmap,cliprect,
							code | 1,
							color,
							flipx,flipy,
							flipx?sx:sx+8,sy,0);
				}
				break;

			case 0x08:  /* 8x16 */
				{
					m_gfxdecode->gfx(2)->transpen(bitmap,cliprect,
							code & ~2,
							color,
							flipx,flipy,
							sx,flipy?sy+8:sy,0);
					m_gfxdecode->gfx(2)->transpen(bitmap,cliprect,
							code | 2,
							color,
							flipx,flipy,
							sx,flipy?sy:sy+8,0);
				}
				break;

			case 0x0c:  /* 8x8 */
				{
					m_gfxdecode->gfx(2)->transpen(bitmap,cliprect,
							code,
							color,
							flipx,flipy,
							sx,sy,0);
				}
				break;
		}
	}
}

UINT32 ironhors_state::screen_update_ironhors(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
	int row;

	for (row = 0; row < 32; row++)
		m_bg_tilemap->set_scrollx(row, m_scroll[row]);

	m_bg_tilemap->draw(screen, bitmap, cliprect, 0, 0);
	draw_sprites(bitmap, cliprect);
	return 0;
}

TILE_GET_INFO_MEMBER(ironhors_state::farwest_get_bg_tile_info)
{
	int code = m_videoram[tile_index] + ((m_colorram[tile_index] & 0x40) << 2) +
		((m_colorram[tile_index] & 0x20) << 4) + (m_charbank << 10);
	int color = (m_colorram[tile_index] & 0x0f) + 16 * m_palettebank;
	int flags = 0;//((m_colorram[tile_index] & 0x10) ? TILE_FLIPX : 0) |  ((m_colorram[tile_index] & 0x20) ? TILE_FLIPY : 0);

	SET_TILE_INFO_MEMBER(m_gfxdecode, 0, code, color, flags);
}

VIDEO_START_MEMBER(ironhors_state,farwest)
{
	m_bg_tilemap = &machine().tilemap().create(tilemap_get_info_delegate(FUNC(ironhors_state::farwest_get_bg_tile_info),this), TILEMAP_SCAN_ROWS, 8, 8, 32, 32);

	m_bg_tilemap->set_scroll_rows(32);
}

void ironhors_state::farwest_draw_sprites( bitmap_ind16 &bitmap, const rectangle &cliprect )
{
	int offs;
	UINT8 *sr = m_spriteram2;
	UINT8 *sr2 = m_spriteram;

	for (offs = 0; offs < m_spriteram.bytes(); offs += 4)
	{
		int sx = sr[offs + 2];
		int sy = sr[offs + 1];
		int flipx = sr[offs + 3] & 0x20;
		int flipy = sr[offs + 3] & 0x40;
		int code = (sr[offs] << 2) + ((sr2[offs] & 0x03) << 10) + ((sr2[offs] & 0x0c) >> 2);
		int color = ((sr2[offs] & 0xf0) >> 4) + 16 * m_palettebank;

	//  int mod = flip_screen() ? -8 : 8;

//      if (flip_screen())
		{
		//  sx = 240 - sx;
			sy = 240 - sy;
		//  flipx = !flipx;
		//  flipy = !flipy;
		}

		switch (sr[offs + 3] & 0x0c)
		{
			case 0x00:  /* 16x16 */
				m_gfxdecode->gfx(1)->transpen(bitmap,cliprect,
						code/4,
						color,
						flipx,flipy,
						sx,sy,0);
				break;

			case 0x04:  /* 16x8 */
				{
					if (flip_screen()) sy += 8; // this fixes the train wheels' position

					m_gfxdecode->gfx(2)->transpen(bitmap,cliprect,
							code & ~1,
							color,
							flipx,flipy,
							flipx?sx+8:sx,sy,0);
					m_gfxdecode->gfx(2)->transpen(bitmap,cliprect,
							code | 1,
							color,
							flipx,flipy,
							flipx?sx:sx+8,sy,0);
				}
				break;

			case 0x08:  /* 8x16 */
				{
					m_gfxdecode->gfx(2)->transpen(bitmap,cliprect,
							code & ~2,
							color,
							flipx,flipy,
							sx,flipy?sy+8:sy,0);
					m_gfxdecode->gfx(2)->transpen(bitmap,cliprect,
							code | 2,
							color,
							flipx,flipy,
							sx,flipy?sy:sy+8,0);
				}
				break;

			case 0x0c:  /* 8x8 */
				{
					m_gfxdecode->gfx(2)->transpen(bitmap,cliprect,
							code,
							color,
							flipx,flipy,
							sx,sy,0);
				}
				break;
		}
	}
}

UINT32 ironhors_state::screen_update_farwest(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
	int row;

	for (row = 0; row < 32; row++)
		m_bg_tilemap->set_scrollx(row, m_scroll[row]);

	m_bg_tilemap->draw(screen, bitmap, cliprect, 0, 0);
	farwest_draw_sprites(bitmap, cliprect);
	return 0;
}