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author Aaron Giles <aaron@aarongiles.com>2008-06-27 04:18:10 +0000
committer Aaron Giles <aaron@aarongiles.com>2008-06-27 04:18:10 +0000
commitfe4680862966cebe48a11178696458f746820c37 (patch)
tree57fbd67085fdee3a0304d1ace06cdb4b98fae4c0
parentaa3dfa8811c0722f83e8d010c5f50de45e966528 (diff)
Version bump.mame0125u8
-rw-r--r--src/version.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/version.c b/src/version.c
index 7b76487de11..a55a8a476d2 100644
--- a/src/version.c
+++ b/src/version.c
@@ -9,4 +9,4 @@
***************************************************************************/
-const char build_version[] = "0.125u7 ("__DATE__")";
+const char build_version[] = "0.125u8 ("__DATE__")";
/a> 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880
/***************************************************************************
  Lazer Command memory map (preliminary)

  driver by Juergen Buchmueller

  0000-0bff ROM

  1c00-1c1f RAM     CPU scratch pad is first 32 bytes of video RAM(not displayed)

  1c20-1eff RAM     video buffer
            xxxx    D0 - D5 character select
                    D6      horz line below character (row #9)
                    D7      vert line right of character (bit #0)

  1f00-1f03         R/W hardware

            1f00 W     audio channels
                    D4 gun fire
                    D5 explosion
                    D6 tank engine
                    D7 running man
            1f00 R     player 1 joystick
                    D0 up
                    D1 down
                    D2 right
                    D3 left

            1f01 W  D0 - D7 marker y position
            1f01 R     player 2 joystick
                    D0 up
                    D1 down
                    D2 right
                    D3 left

            1f02 W  D0 - D7 marker x position
            1f02 R     player 1 + 2 buttons
                    D0 button 1 player 2
                    D1 button 1 player 1
                    D2 button 2 player 2
                    D3 button 2 player 1

            1f03 W      attract mode
                    D0 toggle on attract mode
                       (attract mode switched off by coin detected)
                    D4 clear coin detected toggle
            1f03 R      coinage, coin detected and start buttons
                    D0 coin 1/2 (DIP switch 4)
                    D1 start 'expert'
                    D2 start 'novice'
                    D3 coin detected

  1f04-1f07         Read only hardware

            1f04 R     vertical scan counter
                    D0 60 Hz
                    D1 120 Hz
                    D2 240 Hz
                    D3 480 Hz

            1f05 R     vertical scan counter
                    D0 7.860 KHz
                    D1 3.960 KHz
                    D2 1.980 KHz
                    D3 960 Hz

            1f06 R  D0 - D7 readback of marker x position

            1f07 R  D0 - D7 readback of marker y position

  I/O ports:

  'data'         R          game time
                    D0 - D1 60,90,120,180 seconds (DIP switch 1 - 2)

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

/***************************************************************************
  Meadows Lanes memory map (preliminary)

  0000-0bff ROM

  0c00-0c1f RAM     CPU scratch pad is first 32 bytes of video RAM(not displayed)

  0c20-0eff RAM     video buffer
            xxxx    D0 - D5 character select
                    D6      horz line below character (row #9)
                    D7      vert line right of character (bit #0)

  1000-17ff ROM

  1f00-1f03         R/W hardware

            1f00 W     audio control bits
                    D0 - D3 not used
                    D4 bowl and hit
                    D5 hit
                    D6 - D7 not used
            1f00 R     bowl ball
                    D0 fast
                    D1 slow
                       joystick
                    D2 right
                    D3 left

            1f01 W  D0 - D7 marker y position
            1f01 R     hook control
                    D0 left
                    D1 right
                    D2 - D3 not used

            1f02 W  D0 - D7 marker x position
            1f02 R  D0 - D3 not used

            1f03 W      attract mode
                    D0 toggle on attract mode
                       (attract mode switched off by coin detected)
                    D4 clear coin detected toggle
                    D5 can be jumpered to control inverse video
                    D6 - D7 not used
            1f03 R      coinage, coin detected and start buttons
                    D0 coin 1/2 (DIP switch 4)
                    D1 start
                    D2 not used
                    D3 coin detected

  1f04-1f07         Read only hardware

            1f04 R     vertical scan counter
                    D0 60 Hz
                    D1 120 Hz
                    D2 240 Hz
                    D3 480 Hz

            1f05 R     vertical scan counter
                    D0 7.860 KHz
                    D1 3.960 KHz
                    D2 1.980 KHz
                    D3 960 Hz

            1f06 R  D0 - D7 readback of marker x position

            1f07 R  D0 - D7 readback of marker y position

  I/O ports:

  'data'         R          game time
                    D0 time on     (DIP switch 1)
                    D1 3,5 seconds (DIP switch 2)

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

/***************************************************************************
  Bigfoot Bonkers memory map (preliminary)

  driver by Juergen Buchmueller

  0000-07ff ROM

  1c00-1c1f RAM     CPU scratch pad is first 32 bytes of video RAM(not displayed)

  1c20-1eff RAM     video buffer
            xxxx    D0 - D5 character select
                    D6      horz line below character (row #9)
                    D7      vert line right of character (bit #0)

  1f00-1f03         R/W hardware

            1f00 W     audio channels
                    D4 unused
                    D5 tone 1
                    D6 tone 2
                    D7 unused
            1f00 R     player 1 joystick
                    D0 up
                    D1 down
                    D2 right
                    D3 left

            1f01 W  D0 - D7 unused
            1f01 R     player 2 joystick
                    D0 up
                    D1 down
                    D2 right
                    D3 left

            1f02 W  D0 - D7 unused
            1f02 R     player 1 + 2 buttons
                    D0 unused
                    D1 unused
                    D2 unused
                    D3 unused

            1f03 W      attract mode
                    D0 toggle on attract mode
                       (attract mode switched off by coin detected)
                    D4 clear coin detected toggle
            1f03 R      coinage, coin detected and start buttons
                    D0 coin 1/2 (DIP switch 4)
                    D1 start
                    D2 start
                    D3 coin detected

  1f04-1f07         Read only hardware

            1f04 R     vertical scan counter
                    D0 60 Hz
                    D1 120 Hz
                    D2 240 Hz
                    D3 480 Hz

            1f05 R     vertical scan counter
                    D0 7.860 KHz
                    D1 3.960 KHz
                    D2 1.980 KHz
                    D3 960 Hz

            1f06 R  D0 - D7 unused

            1f07 R  D0 - D7 unused

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

#include "emu.h"
#include "cpu/s2650/s2650.h"
#include "sound/dac.h"
#include "includes/lazercmd.h"

#include "rendlay.h"
#include "lazercmd.lh"

#define MASTER_CLOCK XTAL_8MHz

/*************************************************************
 * Interrupt for the cpu
 * Fake something toggling the sense input line of the S2650
 * The rate should be at about 1 Hz
 *************************************************************/

static TIMER_DEVICE_CALLBACK( lazercmd_timer )
{
	lazercmd_state *state = timer.machine().driver_data<lazercmd_state>();
	int scanline = param;

	if((scanline % 2) == 1)
		return;

	if (++state->m_timer_count >= 64 * 128)
	{
		state->m_timer_count = 0;
		state->m_sense_state ^= 1;
		device_set_input_line(state->m_maincpu, 1, (state->m_sense_state) ? ASSERT_LINE : CLEAR_LINE);
	}
}

static TIMER_DEVICE_CALLBACK( bbonk_timer )
{
	lazercmd_state *state = timer.machine().driver_data<lazercmd_state>();
	int scanline = param;

	if((scanline % 2) == 1)
		return;

	if (++state->m_timer_count >= 64 * 128)
		state->m_timer_count = 0;
}

/*************************************************************
 *
 * IO port read/write
 *
 *************************************************************/

/* triggered by WRTC,r opcode */
WRITE8_MEMBER(lazercmd_state::lazercmd_ctrl_port_w)
{
}

/* triggered by REDC,r opcode */
READ8_MEMBER(lazercmd_state::lazercmd_ctrl_port_r)
{
	UINT8 data = 0;
	return data;
}

/* triggered by WRTD,r opcode */
WRITE8_MEMBER(lazercmd_state::lazercmd_data_port_w)
{
}

/* triggered by REDD,r opcode */
READ8_MEMBER(lazercmd_state::lazercmd_data_port_r)
{
	UINT8 data = ioport("DSW")->read() & 0x0f;
	return data;
}

WRITE8_MEMBER(lazercmd_state::lazercmd_hardware_w)
{

	switch (offset)
	{
		case 0: /* audio channels */
			m_dac_data = (data & 0x80) ^ ((data & 0x40) << 1) ^ ((data & 0x20) << 2) ^ ((data & 0x10) << 3);
			if (m_dac_data)
				dac_data_w(m_dac, 0xff);
			else
				dac_data_w(m_dac, 0);
			break;
		case 1: /* marker Y position */
			m_marker_y = data;
			break;
		case 2: /* marker X position */
			m_marker_x = data;
			break;
		case 3: /* D4 clears coin detected and D0 toggles on attract mode */
			break;
	}
}

WRITE8_MEMBER(lazercmd_state::medlanes_hardware_w)
{

	switch (offset)
	{
		case 0: /* audio control */
			/* bits 4 and 5 are used to control a sound board */
			/* these could be used to control sound samples */
			/* at the moment they are routed through the dac */
			m_dac_data = ((data & 0x20) << 2) ^ ((data & 0x10) << 3);
			if (m_dac_data)
				dac_data_w(m_dac, 0xff);
			else
				dac_data_w(m_dac, 0);
			break;
		case 1: /* marker Y position */
			m_marker_y = data;
			break;
		case 2: /* marker X position */
			m_marker_x = data;
			break;
		case 3: /* D4 clears coin detected and D0 toggles on attract mode */
			break;
	}
}

WRITE8_MEMBER(lazercmd_state::bbonk_hardware_w)
{

	switch (offset)
	{
		case 0: /* audio control */
			/* bits 4 and 5 are used to control a sound board */
			/* these could be used to control sound samples */
			/* at the moment they are routed through the dac */
			m_dac_data = ((data & 0x20) << 2) ^ ((data & 0x10) << 3);
			if (m_dac_data)
				dac_data_w(m_dac, 0xff);
			else
				dac_data_w(m_dac, 0);
			break;
		case 3: /* D4 clears coin detected and D0 toggles on attract mode */
			break;
	}
}

READ8_MEMBER(lazercmd_state::lazercmd_hardware_r)
{
	UINT8 data = 0;

	switch (offset)
	{
		case 0: 			   /* player 1 joysticks */
			data = ioport("IN0")->read();
			break;
		case 1: 			   /* player 2 joysticks */
			data = ioport("IN1")->read();
			break;
		case 2: 			   /* player 1 + 2 buttons */
			data = ioport("IN3")->read();
			break;
		case 3: 			   /* coin slot + start buttons */
			data = ioport("IN2")->read();
			break;
		case 4: 			   /* vertical scan counter */
			data = ((m_timer_count & 0x10) >> 1) | ((m_timer_count & 0x20) >> 3)
						| ((m_timer_count & 0x40) >> 5) | ((m_timer_count & 0x80) >> 7);
			break;
		case 5: 			   /* vertical scan counter */
			data = m_timer_count & 0x0f;
			break;
		case 6: 			   /* 1f02 readback */
			data = m_marker_x;
			break;
		case 7: 			   /* 1f01 readback */
			data = m_marker_y;
			break;
	}
	return data;
}


/*************************************************************
 *
 * Memory maps
 *
 *************************************************************/

static ADDRESS_MAP_START( lazercmd_map, AS_PROGRAM, 8, lazercmd_state )
	AM_RANGE(0x0000, 0x0bff) AM_ROM
	AM_RANGE(0x1c00, 0x1c1f) AM_RAM
	AM_RANGE(0x1c20, 0x1eff) AM_RAM AM_SHARE("videoram")
	AM_RANGE(0x1f00, 0x1f03) AM_WRITE(lazercmd_hardware_w)
	AM_RANGE(0x1f00, 0x1f07) AM_READ(lazercmd_hardware_r)
ADDRESS_MAP_END


static ADDRESS_MAP_START( medlanes_map, AS_PROGRAM, 8, lazercmd_state )
	AM_RANGE(0x0000, 0x0bff) AM_ROM
	AM_RANGE(0x1000, 0x17ff) AM_ROM
	AM_RANGE(0x1c00, 0x1c1f) AM_RAM
	AM_RANGE(0x1c20, 0x1eff) AM_RAM AM_SHARE("videoram")
	AM_RANGE(0x1f00, 0x1f03) AM_WRITE(medlanes_hardware_w)
	AM_RANGE(0x1f00, 0x1f07) AM_READ(lazercmd_hardware_r)
ADDRESS_MAP_END


static ADDRESS_MAP_START( bbonk_map, AS_PROGRAM, 8, lazercmd_state )
	AM_RANGE(0x0000, 0x0bff) AM_ROM
	AM_RANGE(0x1c00, 0x1c1f) AM_RAM
	AM_RANGE(0x1c20, 0x1eff) AM_RAM AM_SHARE("videoram")
	AM_RANGE(0x1f00, 0x1f03) AM_WRITE(bbonk_hardware_w)
	AM_RANGE(0x1f00, 0x1f07) AM_READ(lazercmd_hardware_r)
ADDRESS_MAP_END


static ADDRESS_MAP_START( lazercmd_portmap, AS_IO, 8, lazercmd_state )
	AM_RANGE(S2650_CTRL_PORT, S2650_CTRL_PORT) AM_READWRITE(lazercmd_ctrl_port_r, lazercmd_ctrl_port_w)
	AM_RANGE(S2650_DATA_PORT, S2650_DATA_PORT) AM_READWRITE(lazercmd_data_port_r, lazercmd_data_port_w)
ADDRESS_MAP_END



static INPUT_PORTS_START( lazercmd )
	PORT_START("IN0")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_PLAYER(1)
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_PLAYER(1)
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(1)
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_PLAYER(1)
	PORT_BIT( 0xf0, IP_ACTIVE_LOW, IPT_UNUSED )

	PORT_START("IN1")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_PLAYER(2)
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_PLAYER(2)
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(2)
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_PLAYER(2)
	PORT_BIT( 0xf0, IP_ACTIVE_LOW, IPT_UNUSED )

	PORT_START("DSW")
	PORT_DIPNAME( 0x03, 0x03, DEF_STR( Game_Time ) )
	PORT_DIPSETTING(    0x00, "60 seconds" )
	PORT_DIPSETTING(    0x01, "90 seconds" )
	PORT_DIPSETTING(    0x02, "120 seconds" )
	PORT_DIPSETTING(    0x03, "180 seconds" )
	PORT_BIT( 0x18, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_DIPNAME( 0x20, 0x20, "Video Invert" )
	PORT_DIPSETTING(    0x00, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x20, DEF_STR( On ) )
	PORT_DIPNAME( 0x40, 0x40, "Marker Size" )
	PORT_DIPSETTING(    0x00, "Small" )
	PORT_DIPSETTING(    0x40, "Large" )
//  PORT_DIPNAME( 0x80, 0x80, "Color Overlay" )
//  PORT_DIPSETTING(    0x00, DEF_STR( Off ) )
//  PORT_DIPSETTING(    0x80, DEF_STR( On ) )

	PORT_START("IN2")
	PORT_DIPNAME( 0x01, 0x01, DEF_STR( Coinage ) )
	PORT_DIPSETTING(    0x00, DEF_STR( 2C_1C ) )
	PORT_DIPSETTING(    0x01, DEF_STR( 1C_1C ) )
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_START1 )
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_START2 )
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_COIN1 )
	PORT_BIT( 0xf0, IP_ACTIVE_HIGH, IPT_UNUSED )

	PORT_START("IN3")
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(1)
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(1)
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2)
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(2)
	PORT_BIT( 0xf0, IP_ACTIVE_LOW, IPT_UNUSED )
INPUT_PORTS_END

static INPUT_PORTS_START( medlanes )
	PORT_START("IN0")
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT )
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT )
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON1 )
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON2 )
	PORT_BIT( 0xf0, IP_ACTIVE_LOW, IPT_UNUSED )

	PORT_START("IN1")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME("Hook Left") PORT_CODE(KEYCODE_Z)
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME("Hook Right") PORT_CODE(KEYCODE_X)
	PORT_BIT( 0xfc, IP_ACTIVE_LOW, IPT_UNUSED )

	PORT_START("DSW")
	PORT_DIPNAME( 0x01, 0x01, "Game Timer" )
	PORT_DIPSETTING(    0x00, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x01, DEF_STR( On ) )
	PORT_DIPNAME( 0x02, 0x02, "Time" )
	PORT_DIPSETTING(    0x00, "3 seconds" )
	PORT_DIPSETTING(    0x02, "5 seconds" )
	PORT_BIT( 0x1C, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_DIPNAME( 0x20, 0x00, "Video Invert" )
	PORT_DIPSETTING(    0x00, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x20, DEF_STR( On ) )
	PORT_DIPNAME( 0x40, 0x00, "Marker Size" )
	PORT_DIPSETTING(    0x00, "Small" )
	PORT_DIPSETTING(    0x40, "Large" )
//  PORT_DIPNAME( 0x80, 0x80, "Color Overlay" )
//  PORT_DIPSETTING(    0x00, DEF_STR( Off ) )
//  PORT_DIPSETTING(    0x80, DEF_STR( On ) )

	PORT_START("IN2")
	PORT_DIPNAME( 0x01, 0x01, DEF_STR( Coinage ) )
	PORT_DIPSETTING(    0x00, DEF_STR( 2C_1C ) )
	PORT_DIPSETTING(    0x01, DEF_STR( 1C_1C ) )
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_START1 )
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_COIN1 )
	PORT_BIT( 0xf4, IP_ACTIVE_HIGH, IPT_UNUSED )

	PORT_START("IN3")
	PORT_BIT( 0xff, IP_ACTIVE_LOW, IPT_UNUSED )
INPUT_PORTS_END

static INPUT_PORTS_START( bbonk )
	PORT_START("IN0")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_PLAYER(1)
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_PLAYER(1)
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(1)
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_PLAYER(1)
	PORT_BIT( 0xf0, IP_ACTIVE_LOW, IPT_UNUSED )

	PORT_START("IN1")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_PLAYER(2)
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_PLAYER(2)
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(2)
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_PLAYER(2)
	PORT_BIT( 0xf0, IP_ACTIVE_LOW, IPT_UNUSED )

	PORT_START("DSW")
	PORT_DIPNAME( 0x03, 0x02, "Games to win" )
	PORT_DIPSETTING(    0x02, "2" )
	PORT_DIPSETTING(    0x03, "3" )
	PORT_DIPSETTING(    0x00, "4" )
	PORT_DIPSETTING(    0x01, "5" )
	PORT_BIT( 0x1C, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_DIPNAME( 0x20, 0x00, "Video Invert" )
	PORT_DIPSETTING(    0x00, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x20, DEF_STR( On ) )
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED )
//  PORT_DIPNAME( 0x80, 0x00, "Color Overlay" )
//  PORT_DIPSETTING(    0x00, DEF_STR( Off ) )
//  PORT_DIPSETTING(    0x80, DEF_STR( On ) )

	PORT_START("IN2")
	PORT_DIPNAME( 0x01, 0x01, DEF_STR( Coinage ) )
	PORT_DIPSETTING(    0x00, DEF_STR( 2C_1C ) )
	PORT_DIPSETTING(    0x01, DEF_STR( 1C_1C ) )
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_START1 )
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_COIN1 )
	PORT_BIT( 0xf4, IP_ACTIVE_HIGH, IPT_UNUSED )

	PORT_START("IN3")
	PORT_BIT( 0xff, IP_ACTIVE_LOW, IPT_UNUSED )
INPUT_PORTS_END


static const gfx_layout charlayout =
{
	8, 10,					/* 8*10 characters */
	4*64,					/* 4 * 64 characters */
	1,						/* 1 bit per pixel */
	{ 0 },					/* no bitplanes */
	{ 0, 1, 2, 3, 4, 5, 6, 7 },
	{ 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8, 8*8, 9*8 },
	10*8					/* every char takes 10 bytes */
};

static GFXDECODE_START( lazercmd )
	GFXDECODE_ENTRY( "gfx1", 0, charlayout, 0, 2 )
GFXDECODE_END

static PALETTE_INIT( lazercmd )
{
	palette_set_color(machine, 0, MAKE_RGB(0xb0, 0xb0, 0xb0));	/* white */
	palette_set_color(machine, 1, MAKE_RGB(0x00, 0x00, 0x00));	/* black */

	palette_set_color(machine, 2, MAKE_RGB(0x00, 0x00, 0x00));	/* black */
	palette_set_color(machine, 3, MAKE_RGB(0xb0, 0xb0, 0xb0));	/* white */

	palette_set_color(machine, 4, MAKE_RGB(0xff, 0xff, 0xff));	/* bright white */
}


static MACHINE_START( lazercmd )
{
	lazercmd_state *state = machine.driver_data<lazercmd_state>();

	state->m_dac = machine.device("dac");

	state->save_item(NAME(state->m_marker_x));
	state->save_item(NAME(state->m_marker_y));
	state->save_item(NAME(state->m_timer_count));
	state->save_item(NAME(state->m_sense_state));
	state->save_item(NAME(state->m_dac_data));
}

static MACHINE_RESET( lazercmd )
{
	lazercmd_state *state = machine.driver_data<lazercmd_state>();

	state->m_marker_x = 0;
	state->m_marker_y = 0;
	state->m_timer_count = 0;
	state->m_sense_state = 0;
	state->m_dac_data = 0;
}


static MACHINE_CONFIG_START( lazercmd, lazercmd_state )

	/* basic machine hardware */
	MCFG_CPU_ADD("maincpu", S2650,MASTER_CLOCK/12)				/* 672 kHz? */
/*  Main Clock is 8MHz divided by 12
    but memory and IO access is only possible
    within the line and frame blanking period
    thus requiring an extra loading of approx 3-5 */
	MCFG_CPU_PROGRAM_MAP(lazercmd_map)
	MCFG_CPU_IO_MAP(lazercmd_portmap)
	MCFG_TIMER_ADD_SCANLINE("scantimer", lazercmd_timer, "screen", 0, 1) /* 7680 Hz */

	MCFG_MACHINE_START(lazercmd)
	MCFG_MACHINE_RESET(lazercmd)

	/* video hardware */
	MCFG_SCREEN_ADD("screen", RASTER)
	MCFG_SCREEN_REFRESH_RATE(60)
	MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500) /* not accurate */)
	MCFG_SCREEN_SIZE(HORZ_RES * HORZ_CHR, VERT_RES * VERT_CHR + 16)
	MCFG_SCREEN_VISIBLE_AREA(0 * HORZ_CHR, HORZ_RES * HORZ_CHR - 1,
						0 * VERT_CHR, (VERT_RES - 1) * VERT_CHR - 1)
	MCFG_SCREEN_UPDATE_STATIC(lazercmd)

	MCFG_GFXDECODE(lazercmd)
	MCFG_PALETTE_LENGTH(5)

	MCFG_PALETTE_INIT(lazercmd)

	/* sound hardware */
	MCFG_SPEAKER_STANDARD_MONO("mono")

	MCFG_SOUND_ADD("dac", DAC, 0)
	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
MACHINE_CONFIG_END


static MACHINE_CONFIG_START( medlanes, lazercmd_state )

	/* basic machine hardware */
	MCFG_CPU_ADD("maincpu", S2650,MASTER_CLOCK/12)				/* 666 kHz */
/*  Main Clock is 8MHz divided by 12
    but memory and IO access is only possible
    within the line and frame blanking period
    thus requiring an extra loading of approx 3-5 */
	MCFG_CPU_PROGRAM_MAP(medlanes_map)
	MCFG_CPU_IO_MAP(lazercmd_portmap)
	MCFG_TIMER_ADD_SCANLINE("scantimer", lazercmd_timer, "screen", 0, 1) /* 7680 Hz */

	MCFG_MACHINE_START(lazercmd)
	MCFG_MACHINE_RESET(lazercmd)

	/* video hardware */
	MCFG_SCREEN_ADD("screen", RASTER)
	MCFG_SCREEN_REFRESH_RATE(60)
	MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500) /* not accurate */)
	MCFG_SCREEN_SIZE(HORZ_RES * HORZ_CHR, VERT_RES * VERT_CHR)
	MCFG_SCREEN_VISIBLE_AREA(0 * HORZ_CHR, HORZ_RES * HORZ_CHR - 1,
						 0 * VERT_CHR, VERT_RES * VERT_CHR - 1)
	MCFG_SCREEN_UPDATE_STATIC(lazercmd)

	MCFG_GFXDECODE(lazercmd)
	MCFG_PALETTE_LENGTH(5)

	MCFG_PALETTE_INIT(lazercmd)

	/* sound hardware */
	MCFG_SPEAKER_STANDARD_MONO("mono")

	MCFG_SOUND_ADD("dac", DAC, 0)
	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
MACHINE_CONFIG_END


static MACHINE_CONFIG_START( bbonk, lazercmd_state )

	/* basic machine hardware */
	MCFG_CPU_ADD("maincpu", S2650,MASTER_CLOCK/12)				/* 666 kHz */
/*  Main Clock is 8MHz divided by 12
    but memory and IO access is only possible
    within the line and frame blanking period
    thus requiring an extra loading of approx 3-5 */
	MCFG_CPU_PROGRAM_MAP(bbonk_map)
	MCFG_CPU_IO_MAP(lazercmd_portmap)
	MCFG_TIMER_ADD_SCANLINE("scantimer", bbonk_timer, "screen", 0, 1) /* 7680 Hz */

	MCFG_MACHINE_START(lazercmd)
	MCFG_MACHINE_RESET(lazercmd)

	/* video hardware */
	MCFG_SCREEN_ADD("screen", RASTER)
	MCFG_SCREEN_REFRESH_RATE(60)
	MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500) /* not accurate */)
	MCFG_SCREEN_SIZE(HORZ_RES * HORZ_CHR, VERT_RES * VERT_CHR)
	MCFG_SCREEN_VISIBLE_AREA(0 * HORZ_CHR, HORZ_RES * HORZ_CHR - 1,
						0 * VERT_CHR, (VERT_RES - 1) * VERT_CHR - 1)
	MCFG_SCREEN_UPDATE_STATIC(lazercmd)

	MCFG_GFXDECODE(lazercmd)
	MCFG_PALETTE_LENGTH(5)

	MCFG_PALETTE_INIT(lazercmd)

	/* sound hardware */
	MCFG_SPEAKER_STANDARD_MONO("mono")

	MCFG_SOUND_ADD("dac", DAC, 0)
	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
MACHINE_CONFIG_END

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

  Game driver(s)

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

ROM_START( lazercmd )
	ROM_REGION( 0x0c00, "maincpu", ROMREGION_INVERT )			   /* 32K cpu, 4K for ROM/RAM */
	ROM_LOAD_NIB_HIGH( "lc.e5",        0x0000, 0x0400, CRC(56dc7a40) SHA1(1324d5d6a44d7314723a0b5745d89f8e27f49d25) )
	ROM_LOAD_NIB_LOW(  "lc.f5",        0x0000, 0x0400, CRC(fc5b38a4) SHA1(bff670d7b78c6b9324d2bf4b2d8a4f9dbfe82158) )
	ROM_LOAD_NIB_HIGH( "lc.e6",        0x0400, 0x0400, CRC(b1ef0aa2) SHA1(3edeaa4d4f4e18536066898284d430a1ac00512e) )
	ROM_LOAD_NIB_LOW(  "lc.f6",        0x0400, 0x0400, CRC(26eaee21) SHA1(9c0a4a22abb0b0466378f067ef52a45f86cc4369) )
	ROM_LOAD_NIB_HIGH( "lc.e7",        0x0800, 0x0400, CRC(8e6ffc97) SHA1(d5243ce88585db91573b6586d3d47d13b5b473c8) )
	ROM_LOAD_NIB_LOW(  "lc.f7",        0x0800, 0x0400, CRC(9ec3534d) SHA1(98f15c5828ad2743bf205f71b8e69abd4db78a58) )

	ROM_REGION( 0x0c00, "gfx1", 0 )
	ROM_LOAD( "lc.b8",        0x0a00, 0x0200, CRC(6d708edd) SHA1(85a45a292eb7bca288b06a118658bf754f828a92) )
ROM_END

ROM_START( medlanes )
	ROM_REGION( 0x1800, "maincpu", ROMREGION_INVERT )	   /* 32K cpu, 4K for ROM/RAM */
	ROM_LOAD_NIB_HIGH( "medlanes.2a", 0x0000, 0x0400, CRC(9c77566a) SHA1(60e1820012b47da8b86d54f00b6f60d2d0123745) )
	ROM_LOAD_NIB_LOW(  "medlanes.3a", 0x0000, 0x0400, CRC(22bc56a6) SHA1(7444170c19274d9d889df61796e6f61af2361f3e) )
	ROM_LOAD_NIB_HIGH( "medlanes.2b", 0x0400, 0x0400, CRC(7841b1a9) SHA1(80621d30995dad42ae44c62494922ca8b75415cf) )
	ROM_LOAD_NIB_LOW(  "medlanes.3b", 0x0400, 0x0400, CRC(6616dbef) SHA1(9506177315883b7d87a9bfada712ddeea12fd446) )
	ROM_LOAD_NIB_HIGH( "medlanes.2c", 0x0800, 0x0400, CRC(a359b5b8) SHA1(dbc3c286951c50e3465132fc0d6054f06026425d) )
	ROM_LOAD_NIB_LOW(  "medlanes.3c", 0x0800, 0x0400, CRC(b3db0f3d) SHA1(57c28a54f7a1f17df3a24b61dd0cf37f9f6bc7d8) )
	ROM_LOAD_NIB_HIGH( "medlanes.1a", 0x1000, 0x0400, CRC(0d57c596) SHA1(f3ce4802fc777c57f75fe691c93b7062903bdf06) )
	ROM_LOAD_NIB_LOW(  "medlanes.4a", 0x1000, 0x0400, CRC(30d495e9) SHA1(4f2414bf60ef91093bedf5e9ae16833e9e135aa7) )
	ROM_LOAD_NIB_HIGH( "medlanes.1b", 0x1400, 0x0400, CRC(1d451630) SHA1(bf9de3096e98685355c906ab7e1dc2628dce79d6) )
	ROM_LOAD_NIB_LOW(  "medlanes.4b", 0x1400, 0x0400, CRC(a4abb5db) SHA1(a20da872b0f7d6b16b9551233af4269db9d1b55f) )

	ROM_REGION( 0x0c00, "gfx1", 0 )
	ROM_LOAD( "medlanes.8b", 0x0a00, 0x0200, CRC(44e5de8f) SHA1(fc797fa137f0c11a15caf9c0013aac668fd69a3c) )
ROM_END


ROM_START( bbonk )
	ROM_REGION( 0x0c00, "maincpu", ROMREGION_INVERT )			   /* 32K cpu, 4K for ROM/RAM */
	ROM_LOAD_NIB_HIGH( "bbonk.e5",     0x0000, 0x0400, CRC(d032baa0) SHA1(09cba16f6a2b7d8a8c501db639bd5eeefb63dc0f) )
	ROM_LOAD_NIB_LOW(  "bbonk.f5",     0x0000, 0x0400, CRC(748e8c7f) SHA1(99e4e182ee41c246e31f656411a9f09d7b617f92) )
	ROM_LOAD_NIB_HIGH( "bbonk.e6",     0x0400, 0x0400, CRC(71df0e25) SHA1(c2f78490816add1296923861a89df15be9822fed) )
	ROM_LOAD_NIB_LOW(  "bbonk.f6",     0x0400, 0x0400, CRC(5ce183ed) SHA1(7c78dfa463a37605e8423104426af2f5906fae24) )

	ROM_REGION( 0x0c00, "gfx1", 0 )
	ROM_LOAD( "bbonk.b8",     0x0a00, 0x0200, CRC(5ac34260) SHA1(7c2b1e378d2b9fed27117f9adab1381507f5d554) )
ROM_END


static DRIVER_INIT( lazercmd )
{
	int i, y;
	UINT8 *gfx = machine.root_device().memregion("gfx1")->base();

/******************************************************************
 * To show the maze bit #6 and #7 of the video ram are used.
 * Bit #7: add a vertical line to the right of the character
 * Bit #6: add a horizontal line below the character
 * The video logic generates 10 lines per character row, but the
 * character generator only contains 8 rows, so we expand the
 * font to 8x10.
 ******************************************************************/
	for (i = 0; i < 0x40; i++)
	{
		UINT8 *d = &gfx[0 * 64 * 10 + i * VERT_CHR];
		UINT8 *s = &gfx[4 * 64 * 10 + i * VERT_FNT];

		for (y = 0; y < VERT_CHR; y++)
		{
			d[0 * 64 * 10] = (y < VERT_FNT) ? *s++ : 0xff;
			d[1 * 64 * 10] = (y == VERT_CHR - 1) ? 0 : *d;
			d[2 * 64 * 10] = *d & 0xfe;
			d[3 * 64 * 10] = (y == VERT_CHR - 1) ? 0 : *d & 0xfe;
			d++;
		}
	}
}

static DRIVER_INIT( medlanes )
{
	int i, y;
	UINT8 *gfx = machine.root_device().memregion("gfx1")->base();

/******************************************************************
 * To show the maze bit #6 and #7 of the video ram are used.
 * Bit #7: add a vertical line to the right of the character
 * Bit #6: add a horizontal line below the character
 * The video logic generates 10 lines per character row, but the
 * character generator only contains 8 rows, so we expand the
 * font to 8x10.
 ******************************************************************/
	for (i = 0; i < 0x40; i++)
	{
		UINT8 *d = &gfx[0 * 64 * 10 + i * VERT_CHR];
		UINT8 *s = &gfx[4 * 64 * 10 + i * VERT_FNT];

		for (y = 0; y < VERT_CHR; y++)
		{
			d[0 * 64 * 10] = (y < VERT_FNT) ? *s++ : 0xff;
			d[1 * 64 * 10] = (y == VERT_CHR - 1) ? 0 : *d;
			d[2 * 64 * 10] = *d & 0xfe;
			d[3 * 64 * 10] = (y == VERT_CHR - 1) ? 0 : *d & 0xfe;
			d++;
		}
	}
}

static DRIVER_INIT( bbonk )
{
	int i, y;
	UINT8 *gfx = machine.root_device().memregion("gfx1")->base();

/******************************************************************
 * To show the maze bit #6 and #7 of the video ram are used.
 * Bit #7: add a vertical line to the right of the character
 * Bit #6: add a horizontal line below the character
 * The video logic generates 10 lines per character row, but the
 * character generator only contains 8 rows, so we expand the
 * font to 8x10.
 ******************************************************************/
	for (i = 0; i < 0x40; i++)
	{
		UINT8 *d = &gfx[0 * 64 * 10 + i * VERT_CHR];
		UINT8 *s = &gfx[4 * 64 * 10 + i * VERT_FNT];

		for (y = 0; y < VERT_CHR; y++)
		{
			d[0 * 64 * 10] = (y < VERT_FNT) ? *s++ : 0xff;
			d[1 * 64 * 10] = (y == VERT_CHR - 1) ? 0 : *d;
			d[2 * 64 * 10] = *d & 0xfe;
			d[3 * 64 * 10] = (y == VERT_CHR - 1) ? 0 : *d & 0xfe;
			d++;
		}
	}
}



GAMEL( 1976, lazercmd, 0, lazercmd, lazercmd, lazercmd, ROT0, "Meadows Games, Inc.", "Lazer Command", GAME_SUPPORTS_SAVE, layout_lazercmd )
GAMEL( 1977, medlanes, 0, medlanes, medlanes, medlanes, ROT0, "Meadows Games, Inc.", "Meadows Lanes", GAME_IMPERFECT_SOUND | GAME_SUPPORTS_SAVE, layout_ho2eff2e )
GAME ( 1976, bbonk,    0, bbonk,    bbonk,    bbonk,    ROT0, "Meadows Games, Inc.", "Bigfoot Bonkers", GAME_SUPPORTS_SAVE )