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path: root/src/mame/drivers/cchasm.cpp
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// license:BSD-3-Clause
// copyright-holders:Mathis Rosenhauer
/***************************************************************************

    Cinematronics Cosmic Chasm hardware

    driver by Mathis Rosenhauer

    Games supported:
        * Cosmic Chasm

    Known bugs:
        * none at this time

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

#include "emu.h"
#include "includes/cchasm.h"

#include "cpu/z80/z80.h"
#include "machine/z80daisy.h"
#include "cpu/m68000/m68000.h"
#include "machine/6840ptm.h"
#include "machine/z80ctc.h"
#include "machine/watchdog.h"
#include "sound/ay8910.h"
#include "sound/volt_reg.h"
#include "speaker.h"

#define CCHASM_68K_CLOCK (XTAL(8'000'000))

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

void cchasm_state::memmap(address_map &map)
{
	map(0x000000, 0x00ffff).rom();
	map(0x040000, 0x04000f).rw("6840ptm", FUNC(ptm6840_device::read), FUNC(ptm6840_device::write)).umask16(0x00ff);
	map(0x050000, 0x050001).w(this, FUNC(cchasm_state::refresh_control_w));
	map(0x060000, 0x060001).portr("DSW").w(this, FUNC(cchasm_state::led_w));
	map(0x070000, 0x070001).w("watchdog", FUNC(watchdog_timer_device::reset16_w));
	map(0xf80000, 0xf800ff).rw(this, FUNC(cchasm_state::io_r), FUNC(cchasm_state::io_w));
	map(0xffb000, 0xffffff).ram().share("ram");
}

/*************************************
 *
 *  Sound CPU memory handlers
 *
 *************************************/

void cchasm_state::sound_memmap(address_map &map)
{
	map(0x0000, 0x0fff).rom();
	map(0x4000, 0x43ff).ram();
	map(0x5000, 0x53ff).ram();
	map(0x6000, 0x6001).mirror(0xf9e).w("ay1", FUNC(ay8910_device::address_data_w));
	map(0x6000, 0x6000).mirror(0xf9e).r(this, FUNC(cchasm_state::coin_sound_r));
	map(0x6001, 0x6001).mirror(0xf9e).r("ay1", FUNC(ay8910_device::data_r));
	map(0x6020, 0x6021).mirror(0xf9e).w("ay2", FUNC(ay8910_device::address_data_w));
	map(0x6021, 0x6021).mirror(0xf9e).r("ay2", FUNC(ay8910_device::data_r));
	map(0x6040, 0x6040).mirror(0xf9e).r(m_soundlatch, FUNC(generic_latch_8_device::read)).w(m_soundlatch3, FUNC(generic_latch_8_device::write));
	map(0x6041, 0x6041).mirror(0xf9e).rw(this, FUNC(cchasm_state::soundlatch2_r), FUNC(cchasm_state::soundlatch4_w));
	map(0x6061, 0x6061).mirror(0xf9e).w(this, FUNC(cchasm_state::reset_coin_flag_w));
	map(0x7041, 0x7041).noprw(); // TODO
}

void cchasm_state::sound_portmap(address_map &map)
{
	map.global_mask(0xff);
	map(0x00, 0x03).rw(m_ctc, FUNC(z80ctc_device::read), FUNC(z80ctc_device::write));
}

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

static INPUT_PORTS_START( cchasm )
	PORT_START("DSW")
	PORT_DIPNAME( 0x01, 0x01, DEF_STR( Lives ) )
	PORT_DIPSETTING(    0x01, "3" )
	PORT_DIPSETTING(    0x00, "5" )
	PORT_DIPNAME( 0x06, 0x06, DEF_STR( Bonus_Life ) )
	PORT_DIPSETTING(    0x06, "40000" )
	PORT_DIPSETTING(    0x04, "60000" )
	PORT_DIPSETTING(    0x02, "80000" )
	PORT_DIPSETTING(    0x00, "100000" )
	PORT_DIPNAME( 0x08, 0x08, DEF_STR( Difficulty ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Easy ) )
	PORT_DIPSETTING(    0x08, DEF_STR( Hard ) )
	PORT_DIPNAME( 0x10, 0x10, "Bonus Frequency" )
	PORT_DIPSETTING(    0x00, "Once" )
	PORT_DIPSETTING(    0x10, "Every" )
	PORT_DIPNAME( 0x20, 0x00, DEF_STR( Demo_Sounds ) )
	PORT_DIPSETTING(    0x20, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x40, 0x40, DEF_STR( Coinage ) )
	PORT_DIPSETTING(    0x00, DEF_STR( 2C_1C ) )
	PORT_DIPSETTING(    0x40, DEF_STR( 1C_1C ) )
	PORT_SERVICE( 0x80, IP_ACTIVE_LOW )

	PORT_START("IN1")
	PORT_BIT( 0xff, 0, IPT_DIAL ) PORT_SENSITIVITY(100) PORT_KEYDELTA(10)

	PORT_START("IN2")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_BUTTON1 )
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_BUTTON2 )
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON3 )
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_START1 )
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_START2 )

	PORT_START("IN3")
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_COIN1 ) PORT_CHANGED_MEMBER(DEVICE_SELF, cchasm_state, set_coin_flag, 0)
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_COIN2 ) PORT_CHANGED_MEMBER(DEVICE_SELF, cchasm_state, set_coin_flag, 0)
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_COIN3 ) PORT_CHANGED_MEMBER(DEVICE_SELF, cchasm_state, set_coin_flag, 0)
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME("Test 1") PORT_CODE(KEYCODE_F1)
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_UNUSED ) /* Test 2, not used in cchasm */
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_UNUSED ) /* Test 3, not used in cchasm */
INPUT_PORTS_END


/*************************************
 *
 *  CPU config
 *
 *************************************/

static const z80_daisy_config daisy_chain[] =
{
	{ "ctc" },
	{ nullptr }
};



/*************************************
 *
 *  Machine drivers
 *
 *************************************/

MACHINE_CONFIG_START(cchasm_state::cchasm)

	/* basic machine hardware */
	MCFG_DEVICE_ADD("maincpu", M68000, CCHASM_68K_CLOCK)    /* 8 MHz (from schematics) */
	MCFG_DEVICE_PROGRAM_MAP(memmap)

	MCFG_DEVICE_ADD("audiocpu", Z80, 3584229)       /* 3.58  MHz (from schematics) */
	MCFG_Z80_DAISY_CHAIN(daisy_chain)
	MCFG_DEVICE_PROGRAM_MAP(sound_memmap)
	MCFG_DEVICE_IO_MAP(sound_portmap)

	MCFG_DEVICE_ADD("ctc", Z80CTC, 3584229 /* same as "audiocpu" */)
	MCFG_Z80CTC_INTR_CB(INPUTLINE("audiocpu", INPUT_LINE_IRQ0))
	MCFG_Z80CTC_ZC1_CB(WRITELINE(*this, cchasm_state, ctc_timer_1_w))
	MCFG_Z80CTC_ZC2_CB(WRITELINE(*this, cchasm_state, ctc_timer_2_w))

	MCFG_WATCHDOG_ADD("watchdog")

	/* video hardware */
	MCFG_VECTOR_ADD("vector")
	MCFG_SCREEN_ADD("screen", VECTOR)
	MCFG_SCREEN_REFRESH_RATE(40)
	MCFG_SCREEN_SIZE(400, 300)
	MCFG_SCREEN_VISIBLE_AREA(0, 1024-1, 0, 768-1)
	MCFG_SCREEN_UPDATE_DEVICE("vector", vector_device, screen_update)

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

	MCFG_GENERIC_LATCH_8_ADD("soundlatch")
	MCFG_GENERIC_LATCH_8_ADD("soundlatch2")
	MCFG_GENERIC_LATCH_8_ADD("soundlatch3")
	MCFG_GENERIC_LATCH_8_ADD("soundlatch4")

	MCFG_DEVICE_ADD("ay1", AY8910, 1818182)
	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "speaker", 0.2)

	MCFG_DEVICE_ADD("ay2", AY8910, 1818182)
	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "speaker", 0.2)

	MCFG_DEVICE_ADD("dac1", DAC_1BIT, 0) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "speaker", 0.5)
	MCFG_DEVICE_ADD("dac2", DAC_1BIT, 0) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "speaker", 0.5)
	MCFG_DEVICE_ADD("vref", VOLTAGE_REGULATOR, 0) MCFG_VOLTAGE_REGULATOR_OUTPUT(5.0)
	MCFG_SOUND_ROUTE(0, "dac1", 1.0, DAC_VREF_POS_INPUT)
	MCFG_SOUND_ROUTE(0, "dac2", 1.0, DAC_VREF_POS_INPUT)

	/* 6840 PTM */
	MCFG_DEVICE_ADD("6840ptm", PTM6840, CCHASM_68K_CLOCK/10)
	MCFG_PTM6840_EXTERNAL_CLOCKS(0, (CCHASM_68K_CLOCK / 10).value(), 0)
	MCFG_PTM6840_IRQ_CB(INPUTLINE("maincpu", 4))
MACHINE_CONFIG_END



/*************************************
 *
 *  ROM definitions
 *
 *************************************/

ROM_START( cchasm )
	ROM_REGION( 0x010000, "maincpu", 0 )
	ROM_LOAD16_BYTE( "chasm.u4",  0x000000, 0x001000, CRC(19244f25) SHA1(79deaae82da8d1b16d05bbac43ba900c4b1d9f26) )
	ROM_LOAD16_BYTE( "chasm.u12", 0x000001, 0x001000, CRC(5d702c7d) SHA1(cbdceed45a1112594fbcbeb6976edc932b32d518) )
	ROM_LOAD16_BYTE( "chasm.u8",  0x002000, 0x001000, CRC(56a7ce8a) SHA1(14c790dcddb78d3b81b5a65fe3529e42c9708273) )
	ROM_LOAD16_BYTE( "chasm.u16", 0x002001, 0x001000, CRC(2e192db0) SHA1(1a8ff983295ab52b5099c089b3142cdc56d28aee) )
	ROM_LOAD16_BYTE( "chasm.u3",  0x004000, 0x001000, CRC(9c71c600) SHA1(900526eaff7483fc478ebfb3f14796ff8fd1d01f) )
	ROM_LOAD16_BYTE( "chasm.u11", 0x004001, 0x001000, CRC(a4eb59a5) SHA1(a7bb3ca8f1f000f224def6342ca9d1eabcb210e6) )
	ROM_LOAD16_BYTE( "chasm.u7",  0x006000, 0x001000, CRC(8308dd6e) SHA1(82ad7c27e9a41af5280ecd975d3530ff2ed27ad4) )
	ROM_LOAD16_BYTE( "chasm.u15", 0x006001, 0x001000, CRC(9d3abf97) SHA1(476d684182d92d66263df82e1b5c4ff24b6814e8) )
	ROM_LOAD16_BYTE( "u2",        0x008000, 0x001000, CRC(4e076ae7) SHA1(a72f5425b256785b810ee5f23917b44f778cfcd3) )
	ROM_LOAD16_BYTE( "u10",       0x008001, 0x001000, CRC(cc9e19ca) SHA1(6c46ec265c2cc0683470ed1df978b96b577c5ca1) )
	ROM_LOAD16_BYTE( "chasm.u6",  0x00a000, 0x001000, CRC(a96525d2) SHA1(1c41bc3bf051cf1830182cbde6fba4e56db7e431) )
	ROM_LOAD16_BYTE( "chasm.u14", 0x00a001, 0x001000, CRC(8e426628) SHA1(2d70a7717b18cc892332b9d5d2de3ceba6c1481d) )
	ROM_LOAD16_BYTE( "u1",        0x00c000, 0x001000, CRC(88b71027) SHA1(49fa676d7838c643d642fbc70579ce29e76ba724) )
	ROM_LOAD16_BYTE( "chasm.u9",  0x00c001, 0x001000, CRC(d90c9773) SHA1(4033f0579f0782db2157f6cbece53b0d74e61d4f) )
	ROM_LOAD16_BYTE( "chasm.u5",  0x00e000, 0x001000, CRC(e4a58b7d) SHA1(0e5f948cd110804e6119fafb4e3fa5904dd1390f) )
	ROM_LOAD16_BYTE( "chasm.u13", 0x00e001, 0x001000, CRC(877e849c) SHA1(bdeb97fcb7488e7f0866dd651204c362d2ec9f4f) )

	ROM_REGION( 0x10000, "audiocpu", 0 )
	ROM_LOAD( "2732.bin", 0x0000, 0x1000, CRC(715adc4a) SHA1(426be4f3334ef7f2e8eb4d533e64276c30812aa3) )

	ROM_REGION( 0x0200, "plds", 0 )
	ROM_LOAD( "pal12l6.u76", 0x0000, 0x0034, CRC(a30e02b7) SHA1(572f6d3f03e559f12e3bd5e087d7680ac69e9182) )
	ROM_LOAD( "pal12l6.u77", 0x0100, 0x0034, CRC(458b9cdb) SHA1(a3bff56d805f6dc494d294f079c3580430acf317) )
ROM_END

ROM_START( cchasm1 )
	ROM_REGION( 0x010000, "maincpu", 0 )
	ROM_LOAD16_BYTE( "chasm.u4",  0x000000, 0x001000, CRC(19244f25) SHA1(79deaae82da8d1b16d05bbac43ba900c4b1d9f26) )
	ROM_LOAD16_BYTE( "chasm.u12", 0x000001, 0x001000, CRC(5d702c7d) SHA1(cbdceed45a1112594fbcbeb6976edc932b32d518) )
	ROM_LOAD16_BYTE( "chasm.u8",  0x002000, 0x001000, CRC(56a7ce8a) SHA1(14c790dcddb78d3b81b5a65fe3529e42c9708273) )
	ROM_LOAD16_BYTE( "chasm.u16", 0x002001, 0x001000, CRC(2e192db0) SHA1(1a8ff983295ab52b5099c089b3142cdc56d28aee) )
	ROM_LOAD16_BYTE( "chasm.u3",  0x004000, 0x001000, CRC(9c71c600) SHA1(900526eaff7483fc478ebfb3f14796ff8fd1d01f) )
	ROM_LOAD16_BYTE( "chasm.u11", 0x004001, 0x001000, CRC(a4eb59a5) SHA1(a7bb3ca8f1f000f224def6342ca9d1eabcb210e6) )
	ROM_LOAD16_BYTE( "chasm.u7",  0x006000, 0x001000, CRC(8308dd6e) SHA1(82ad7c27e9a41af5280ecd975d3530ff2ed27ad4) )
	ROM_LOAD16_BYTE( "chasm.u15", 0x006001, 0x001000, CRC(9d3abf97) SHA1(476d684182d92d66263df82e1b5c4ff24b6814e8) )
	ROM_LOAD16_BYTE( "chasm.u2",  0x008000, 0x001000, CRC(008b26ef) SHA1(6758d77bf48f466b8692bf7c678a597792d8cfdb) )
	ROM_LOAD16_BYTE( "chasm.u10", 0x008001, 0x001000, CRC(c2c532a3) SHA1(d29d40d42a2f69de0b1e2ee6a32633468a94fd85) )
	ROM_LOAD16_BYTE( "chasm.u6",  0x00a000, 0x001000, CRC(a96525d2) SHA1(1c41bc3bf051cf1830182cbde6fba4e56db7e431) )
	ROM_LOAD16_BYTE( "chasm.u14", 0x00a001, 0x001000, CRC(8e426628) SHA1(2d70a7717b18cc892332b9d5d2de3ceba6c1481d) )
	ROM_LOAD16_BYTE( "chasm.u1",  0x00c000, 0x001000, CRC(e02293f8) SHA1(136757b3c9e0ebfde6c13c57ac52f5fdbf5fd65b) )
	ROM_LOAD16_BYTE( "chasm.u9",  0x00c001, 0x001000, CRC(d90c9773) SHA1(4033f0579f0782db2157f6cbece53b0d74e61d4f) )
	ROM_LOAD16_BYTE( "chasm.u5",  0x00e000, 0x001000, CRC(e4a58b7d) SHA1(0e5f948cd110804e6119fafb4e3fa5904dd1390f) )
	ROM_LOAD16_BYTE( "chasm.u13", 0x00e001, 0x001000, CRC(877e849c) SHA1(bdeb97fcb7488e7f0866dd651204c362d2ec9f4f) )

	ROM_REGION( 0x10000, "audiocpu", 0 )
	ROM_LOAD( "2732.bin", 0x0000, 0x1000, CRC(715adc4a) SHA1(426be4f3334ef7f2e8eb4d533e64276c30812aa3) )
ROM_END




/*************************************
 *
 *  Game drivers
 *
 *************************************/

GAME( 1983, cchasm,  0,      cchasm, cchasm, cchasm_state, empty_init, ROT270, "Cinematronics / GCE", "Cosmic Chasm (set 1)", MACHINE_SUPPORTS_SAVE )
GAME( 1983, cchasm1, cchasm, cchasm, cchasm, cchasm_state, empty_init, ROT270, "Cinematronics / GCE", "Cosmic Chasm (set 2)", MACHINE_SUPPORTS_SAVE )