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// license:BSD-3-Clause
// copyright-holders:Aaron Giles
/***************************************************************************

    Atari Batman hardware

    driver by Aaron Giles

    Games supported:
        * Batman (1991)

    Known bugs:
        * none at this time

****************************************************************************

    Memory map (TBA)

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


#include "emu.h"
#include "includes/batman.h"
#include "cpu/m68000/m68000.h"
#include "machine/eeprompar.h"
#include "machine/watchdog.h"
#include "video/atarimo.h"
#include "speaker.h"



/*************************************
 *
 *  Initialization
 *
 *************************************/

void batman_state::machine_start()
{
	save_item(NAME(m_latch_data));
	save_item(NAME(m_alpha_tile_bank));
}



/*************************************
 *
 *  I/O handling
 *
 *************************************/

WRITE16_MEMBER(batman_state::latch_w)
{
	int oldword = m_latch_data;
	COMBINE_DATA(&m_latch_data);

	/* bit 4 is connected to the /RESET pin on the 6502 */
	if (m_latch_data & 0x0010)
		m_jsa->soundcpu().set_input_line(INPUT_LINE_RESET, CLEAR_LINE);
	else
		m_jsa->soundcpu().set_input_line(INPUT_LINE_RESET, ASSERT_LINE);

	/* alpha bank is selected by the upper 4 bits */
	if ((oldword ^ m_latch_data) & 0x7000)
	{
		m_screen->update_partial(m_screen->vpos());
		m_vad->alpha().mark_all_dirty();
		m_alpha_tile_bank = (m_latch_data >> 12) & 7;
	}
}



/*************************************
 *
 *  Main CPU memory handlers
 *
 *************************************/

/* full map verified from schematics and GALs */
/* addresses in the 1xxxxx region map to /WAIT */
/* addresses in the 2xxxxx region map to /WAIT2 */
void batman_state::main_map(address_map &map)
{
	map.unmap_value_high();
	map.global_mask(0x3fffff);
	map(0x000000, 0x0bffff).rom();
	map(0x100000, 0x10ffff).mirror(0x010000).ram();
	map(0x120000, 0x120fff).mirror(0x01f000).rw("eeprom", FUNC(eeprom_parallel_28xx_device::read), FUNC(eeprom_parallel_28xx_device::write)).umask16(0x00ff);
	map(0x260000, 0x260001).mirror(0x11ff8c).portr("260000");
	map(0x260002, 0x260003).mirror(0x11ff8c).portr("260002");
	map(0x260010, 0x260011).mirror(0x11ff8e).portr("260010");
	map(0x260031, 0x260031).mirror(0x11ff8e).r(m_jsa, FUNC(atari_jsa_iii_device::main_response_r));
	map(0x260041, 0x260041).mirror(0x11ff8e).w(m_jsa, FUNC(atari_jsa_iii_device::main_command_w));
	map(0x260050, 0x260051).mirror(0x11ff8e).w(this, FUNC(batman_state::latch_w));
	map(0x260060, 0x260061).mirror(0x11ff8e).w("eeprom", FUNC(eeprom_parallel_28xx_device::unlock_write16));
	map(0x2a0000, 0x2a0001).mirror(0x11fffe).w("watchdog", FUNC(watchdog_timer_device::reset16_w));
	map(0x2e0000, 0x2e0fff).mirror(0x100000).ram().w("palette", FUNC(palette_device::write16)).share("palette");
	map(0x2effc0, 0x2effff).mirror(0x100000).rw(m_vad, FUNC(atari_vad_device::control_read), FUNC(atari_vad_device::control_write));
	map(0x2f0000, 0x2fffff).mirror(0x100000).ram();
	map(0x2f0000, 0x2f1fff).mirror(0x100000).w(m_vad, FUNC(atari_vad_device::playfield2_latched_msb_w)).share("vad:playfield2");
	map(0x2f2000, 0x2f3fff).mirror(0x100000).w(m_vad, FUNC(atari_vad_device::playfield_latched_lsb_w)).share("vad:playfield");
	map(0x2f4000, 0x2f5fff).mirror(0x100000).w(m_vad, FUNC(atari_vad_device::playfield_upper_w)).share("vad:playfield_ext");
	map(0x2f6000, 0x2f7fff).mirror(0x100000).ram().share("vad:mob");
	map(0x2f8000, 0x2f8eff).mirror(0x100000).w(m_vad, FUNC(atari_vad_device::alpha_w)).share("vad:alpha");
	map(0x2f8f00, 0x2f8f7f).mirror(0x100000).share("vad:eof");
	map(0x2f8f80, 0x2f8fff).mirror(0x100000).ram().share("vad:mob:slip");
}



/*************************************
 *
 *  Port definitions
 *
 *************************************/

static INPUT_PORTS_START( batman )
	PORT_START("260000")        /* 260000 */
	PORT_BIT( 0x01ff, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_BIT( 0x0200, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(1)
	PORT_BIT( 0x0400, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(1)
	PORT_BIT( 0x0800, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_BIT( 0x1000, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(1)
	PORT_BIT( 0x2000, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_PLAYER(1)
	PORT_BIT( 0x4000, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_PLAYER(1)
	PORT_BIT( 0x8000, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_PLAYER(1)

	PORT_START("260002")        /* 260002 */
	PORT_BIT( 0xffff, IP_ACTIVE_LOW, IPT_UNUSED )

	PORT_START("260010")        /* 260010 */
	PORT_BIT( 0x000f, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_CUSTOM ) PORT_ATARI_JSA_SOUND_TO_MAIN_READY("jsa")   /* Input buffer full (@260030) */
	PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_CUSTOM ) PORT_ATARI_JSA_MAIN_TO_SOUND_READY("jsa")   /* Output buffer full (@260040) */
	PORT_SERVICE( 0x0040, IP_ACTIVE_LOW )
	PORT_BIT( 0x0080, IP_ACTIVE_LOW, IPT_CUSTOM ) PORT_VBLANK("screen")
INPUT_PORTS_END



/*************************************
 *
 *  Graphics definitions
 *
 *************************************/

static const gfx_layout anlayout =
{
	8,8,
	RGN_FRAC(1,1),
	2,
	{ 0, 4 },
	{ 0, 1, 2, 3, 8, 9, 10, 11 },
	{ 0*16, 1*16, 2*16, 3*16, 4*16, 5*16, 6*16, 7*16 },
	8*16
};


static const gfx_layout pfmolayout =
{
	8,8,
	RGN_FRAC(1,4),
	4,
	{ RGN_FRAC(0,4), RGN_FRAC(1,4), RGN_FRAC(2,4), RGN_FRAC(3,4) },
	{ 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
};


static GFXDECODE_START( gfx_batman )
	GFXDECODE_ENTRY( "gfx3", 0, pfmolayout,  512, 32 )      /* sprites & playfield */
	GFXDECODE_ENTRY( "gfx2", 0, pfmolayout,  256, 16 )      /* sprites & playfield */
	GFXDECODE_ENTRY( "gfx1", 0, anlayout,      0, 64 )      /* characters 8x8 */
GFXDECODE_END



/*************************************
 *
 *  Machine driver
 *
 *************************************/

MACHINE_CONFIG_START(batman_state::batman)

	/* basic machine hardware */
	MCFG_DEVICE_ADD("maincpu", M68000, ATARI_CLOCK_14MHz)
	MCFG_DEVICE_PROGRAM_MAP(main_map)

	MCFG_EEPROM_2816_ADD("eeprom")
	MCFG_EEPROM_28XX_LOCK_AFTER_WRITE(true)

	MCFG_WATCHDOG_ADD("watchdog")

	/* video hardware */
	MCFG_DEVICE_ADD("gfxdecode", GFXDECODE, "palette", gfx_batman)
	MCFG_PALETTE_ADD("palette", 2048)
	MCFG_PALETTE_FORMAT(IRRRRRGGGGGBBBBB)

	MCFG_ATARI_VAD_ADD("vad", "screen", INPUTLINE("maincpu", M68K_IRQ_4))
	MCFG_ATARI_VAD_PLAYFIELD(batman_state, "gfxdecode", get_playfield_tile_info)
	MCFG_ATARI_VAD_PLAYFIELD2(batman_state, "gfxdecode", get_playfield2_tile_info)
	MCFG_ATARI_VAD_ALPHA(batman_state, "gfxdecode", get_alpha_tile_info)
	MCFG_ATARI_VAD_MOB(batman_state::s_mob_config, "gfxdecode")

	MCFG_SCREEN_ADD("screen", RASTER)
	MCFG_SCREEN_VIDEO_ATTRIBUTES(VIDEO_UPDATE_BEFORE_VBLANK)
	/* note: these parameters are from published specs, not derived */
	/* the board uses a VAD chip to generate video signals */
	MCFG_SCREEN_RAW_PARAMS(ATARI_CLOCK_14MHz/2, 456, 0, 336, 262, 0, 240)
	MCFG_SCREEN_UPDATE_DRIVER(batman_state, screen_update_batman)
	MCFG_SCREEN_PALETTE("palette")

	/* sound hardware */
	SPEAKER(config, "mono").front_center();

	MCFG_ATARI_JSA_III_ADD("jsa", INPUTLINE("maincpu", M68K_IRQ_6))
	MCFG_ATARI_JSA_TEST_PORT("260010", 6)
	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
MACHINE_CONFIG_END



/*************************************
 *
 *  ROM definition(s)
 *
 *************************************/

ROM_START( batman )
	ROM_REGION( 0xc0000, "maincpu", 0 ) /* 6*128k for 68000 code */
	ROM_LOAD16_BYTE( "136085-2030.10r",  0x00000, 0x20000, CRC(7cf4e5bf) SHA1(d6068a65fb524d839a34e596a272fac1ce90981c) )
	ROM_LOAD16_BYTE( "136085-2031.7r",   0x00001, 0x20000, CRC(7d7f3fc4) SHA1(8ee3e9ad3464006a26c36155b6099433110e2a6e) )
	ROM_LOAD16_BYTE( "136085-2032.91r",  0x40000, 0x20000, CRC(d80afb20) SHA1(5696627f6fa713dba4d12443c945f3e1cb6452a3) )
	ROM_LOAD16_BYTE( "136085-2033.6r",   0x40001, 0x20000, CRC(97efa2b8) SHA1(782e263ca22356c1747c50aed158d8c459364ad8) )
	ROM_LOAD16_BYTE( "136085-2034.9r",   0x80000, 0x20000, CRC(05388c62) SHA1(de037203d94e72e2922c89256da080ae023ca0e7) )
	ROM_LOAD16_BYTE( "136085-2035.5r",   0x80001, 0x20000, CRC(e77c92dd) SHA1(6d475092f7628114960d26b8ec1c5eae5e61ce25) )

	ROM_REGION( 0x10000, "jsa:cpu", 0 ) /* 64k for 6502 code */
	ROM_LOAD( "136085-1040.12c",  0x00000, 0x10000, CRC(080db83c) SHA1(ec084b7c1dc5878acd6d081e2e8b8d1e8b3d8a45) )

	ROM_REGION( 0x20000, "gfx1", 0 )
	ROM_LOAD( "136085-2009.10m",  0x00000, 0x20000, CRC(a82d4923) SHA1(38e03eebd95347a383f3d7357462252961bd3c7f) )  /* alphanumerics */

	ROM_REGION( 0x100000, "gfx2", ROMREGION_INVERT )
	ROM_LOAD( "136085-1010.13r",  0x000000, 0x20000, CRC(466e1365) SHA1(318530e8a97c1b6ee3e671e677fc7684df5cc3a8) ) /* graphics, plane 0 */
	ROM_LOAD( "136085-1014.14r",  0x020000, 0x20000, CRC(ef53475a) SHA1(9bfc66bb8dd02757e4a79a75928b260f4518a94b) )
	ROM_LOAD( "136085-1011.13m",  0x040000, 0x20000, CRC(8cda5efc) SHA1(b0410f9bf1f38f5f1e9add15079b03d7f19b4c8f) ) /* graphics, plane 1 */
	ROM_LOAD( "136085-1015.14m",  0x060000, 0x20000, CRC(043e7f8b) SHA1(a3b2c539c1fa9b1e8d3dc8163b9a7c6e22408122) )
	ROM_LOAD( "136085-1012.13f",  0x080000, 0x20000, CRC(b017f2c3) SHA1(12846f0ae33e808dfb0795ea4138115b0eb36c4e) ) /* graphics, plane 2 */
	ROM_LOAD( "136085-1016.14f",  0x0a0000, 0x20000, CRC(70aa2360) SHA1(5b944b533be40b859b7fae64559286034409ac6c) )
	ROM_LOAD( "136085-1013.13c",  0x0c0000, 0x20000, CRC(68b64975) SHA1(f3fb45dd74fc21dd2eece87e739c734963962f93) ) /* graphics, plane 3 */
	ROM_LOAD( "136085-1017.14c",  0x0e0000, 0x20000, CRC(e4af157b) SHA1(ddf9eff84c882a096f7e435a6227b32d31029f9e) )

	ROM_REGION( 0x100000, "gfx3", ROMREGION_INVERT )
	ROM_LOAD( "136085-1018.15r",  0x000000, 0x20000, CRC(4c14f1e5) SHA1(2a65d0aafd944886d9e801c9de0f857f2e9db773) )
	ROM_LOAD( "136085-1022.16r",  0x020000, 0x20000, CRC(7476a15d) SHA1(779f9aec114aa71a268a7a646d998c1593f55d08) )
	ROM_LOAD( "136085-1019.15m",  0x040000, 0x20000, CRC(2046d9ec) SHA1(3b14b18545eac2e6cb1d3157ec1af251287b3e45) )
	ROM_LOAD( "136085-1023.16m",  0x060000, 0x20000, CRC(75cac686) SHA1(f3b1f485e51cc4af5809ec3fa2e7353fe9acb18f) )
	ROM_LOAD( "136085-1020.15f",  0x080000, 0x20000, CRC(cc4f4b94) SHA1(b8a11dbe436496898c8b6d64163a3a92eb843086) )
	ROM_LOAD( "136085-1024.16f",  0x0a0000, 0x20000, CRC(d60d35e0) SHA1(d74752090aec9fe0b7a67f62ae3024da74a004e3) )
	ROM_LOAD( "136085-1021.15c",  0x0c0000, 0x20000, CRC(9c8ef9ba) SHA1(c2540adfc227a654a3f91e2cfdcd98b3a04ae4fb) )
	ROM_LOAD( "136085-1025.16c",  0x0e0000, 0x20000, CRC(5d30bcd1) SHA1(817e225511ab98e7575ee512d659c51fcb7716dc) )

	ROM_REGION( 0x80000, "jsa:oki1", 0 )   /* 1MB for ADPCM */
	ROM_LOAD( "136085-1041.19e",  0x00000, 0x20000, CRC(d97d5dbb) SHA1(7609841c773e3d1ae5a21da81e3387260fd8da41) )
	ROM_LOAD( "136085-1042.17e",  0x20000, 0x20000, CRC(8c496986) SHA1(07c84c68885e2ab3e81ee92942d6a0f29e4dffa8) )
	ROM_LOAD( "136085-1043.15e",  0x40000, 0x20000, CRC(51812d3b) SHA1(6748fecef753179a9257c0da5a7b7c9648437208) )
	ROM_LOAD( "136085-1044.12e",  0x60000, 0x20000, CRC(5e2d7f31) SHA1(737c7204d91f5dd5c9ed0321fc6c0d6194a18f8a) )

	ROM_REGION( 0x800, "eeprom", 0 )
	ROM_LOAD( "batman-eeprom.bin", 0x0000, 0x800, CRC(c859b535) SHA1(b7f37aab1e869e92fbcc69af98a9c14f7cf2b418) )

	ROM_REGION( 0x1000, "plds", 0 )
	ROM_LOAD( "gal16v8a-136085-1001.m9",  0x0000, 0x0117, CRC(45dfc0cf) SHA1(39cbb27e504e09d97caea144bfdec2247a39caf9) )
	ROM_LOAD( "gal16v8a-136085-1002.l9",  0x0200, 0x0117, CRC(35c221ae) SHA1(6f3241fcd8b7e241036a0f553f118d8aec413732) )
	ROM_LOAD( "gal20v8a-136085-1003.c9",  0x0400, 0x0157, CRC(cbfb2b4f) SHA1(1566b2cf0a3e1cc982e0d9262ad7be3f3e452787) )
	ROM_LOAD( "gal20v8a-136085-1004.b9",  0x0600, 0x0157, CRC(227cd23a) SHA1(5592c08b0635f7aef233b7836cfe6b419d6123f2) )
	ROM_LOAD( "gal16v8a-136085-1005.d11", 0x0800, 0x0117, CRC(a2fe4402) SHA1(ef93eee062d51885504dcc58c34cad656e5b1ec4) )
	ROM_LOAD( "gal16v8a-136085-1006.d9",  0x0a00, 0x0117, CRC(87d1c2dc) SHA1(bfb0c45b63cd100a757d777a43202d4555036ef4) )
	ROM_LOAD( "gal16v8a-136085-1038.c17", 0x0c00, 0x0117, CRC(0a591138) SHA1(12137f30428fcb952bb6feb37a54451ad683d3b0) )
	ROM_LOAD( "gal16v8a-136085-1039.c19", 0x0e00, 0x0117, CRC(47565e09) SHA1(7aeac8de6f9fda23da50655352b845f692ab0747) )
ROM_END



/*************************************
 *
 *  Game driver(s)
 *
 *************************************/

GAME( 1991, batman, 0, batman, batman, batman_state, empty_init, ROT0, "Atari Games", "Batman", MACHINE_SUPPORTS_SAVE )