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// license:BSD-3-Clause
// copyright-holders:Brad Oliver
/***************************************************************************
Tank Battalion memory map (verified)
driver by Brad Oliver
Memory Map:
$0000-$03ff : Work RAM 0
$0400-$07ff : Work RAM 1
$0800-$0bff : VRAM
$0c00-$0fff : I/O
$2000-$3fff : ROM
A 4-bit BCD value is created from the following four bits:
Bit 0: A3
Bit 1: A4
Bit 2: Read
Bit 3: !(A10 & A11)
For writes, the following upper ranges are decoded:
xxxx 11xx xxx0 0xxx: OUT0
xxxx 11xx xxx0 1xxx: OUT1
xxxx 11xx xxx1 0xxx: INTACK
xxxx 11xx xxx1 1xxx: Watchdog
For reads, the following upper ranges are decoded:
xxxx 11xx xxx0 0xxx: IN0
xxxx 11xx xxx0 1xxx: IN1
xxxx 11xx xxx1 0xxx: -
xxxx 11xx xxx1 1xxx: DIP switches
OUT0:
000: Edge Pin F P1 LED (schematic states Unused)
001: Edge Pin 6 P2 LED (schematic states Unused)
010: Edge Pin H Coin Counter (schematic states Unused)
011: Edge Pin 7 Coin Lockout (schematic states Coin Counter)
1xx: Unused
OUT1:
000: S1 (Square Wave 1, connected to 2V)
001: S2 (Square Wave 2, connected to 4V)
010: Sound off (1), on (0)
011: Rumble hi (1), rumble low (0)
100: Shoot sound effect
101: Hit sound effect
110: Unused
111: NMI Enable
IN0:
000: Edge Pin Y Joystick Up
001: Edge Pin M Joystick Left
010: Edge Pin 14 Joystick Down
011: Edge Pin 11 Joystick Right
100: Edge Pin N Shoot
101: Edge Pin J Coin 1
110: Edge Pin 8 Coin 2
111: Edge Pin 9 Service Switch
IN1:
000: Edge Pin 21 Joystick Up (Cocktail)
001: Edge Pin P Joystick Left (Cocktail)
010: Edge Pin V Joystick Down (Cocktail)
011: Edge Pin 13 Joystick Right (Cocktail)
100: Edge Pin 12 Shoot (Cocktail)
101: Edge Pin L P1 Start
110: Edge Pin 10 P2 Start
111: Edge Pin K Test DIP Switch
TODO:
. Resistor values on the color prom need to be corrected
***************************************************************************/
#include "emu.h"
#include "includes/tankbatt.h"
#include "cpu/m6502/m6502.h"
#include "machine/74259.h"
#include "machine/input_merger.h"
#include "machine/watchdog.h"
#include "screen.h"
#include "speaker.h"
void tankbatt_state::machine_start()
{
save_item(NAME(m_sound_enable));
}
uint8_t tankbatt_state::in0_r(offs_t offset)
{
return BIT(m_player_input[0]->read(), offset) << 7;
}
uint8_t tankbatt_state::in1_r(offs_t offset)
{
return BIT(m_player_input[1]->read(), offset) << 7;
}
uint8_t tankbatt_state::dsw_r(offs_t offset)
{
return BIT(m_dips->read(), offset) << 7;
}
void tankbatt_state::intack_w(uint8_t data)
{
m_maincpu->set_input_line(m6502_device::IRQ_LINE, CLEAR_LINE);
}
WRITE_LINE_MEMBER(tankbatt_state::coincounter_w)
{
machine().bookkeeping().coin_counter_w(0, state);
}
WRITE_LINE_MEMBER(tankbatt_state::coinlockout_w)
{
machine().bookkeeping().coin_lockout_w(0, state);
machine().bookkeeping().coin_lockout_w(1, state);
}
void tankbatt_state::main_map(address_map &map)
{
map.global_mask(0x3fff);
map(0x0000, 0x000f).mirror(0x1000).ram().share("bulletsram");
map(0x0010, 0x07ff).mirror(0x1000).ram();
map(0x0800, 0x0bff).mirror(0x1000).ram().w(FUNC(tankbatt_state::videoram_w)).share("videoram");
map(0x0c00, 0x0c07).mirror(0x13e0).r(FUNC(tankbatt_state::in0_r)).w("outlatch0", FUNC(cd4099_device::write_d0));
map(0x0c08, 0x0c0f).mirror(0x13e0).r(FUNC(tankbatt_state::in1_r)).w("outlatch1", FUNC(cd4099_device::write_d0));
map(0x0c10, 0x0c10).mirror(0x13e7).w(FUNC(tankbatt_state::intack_w));
map(0x0c18, 0x0c1f).mirror(0x13e0).r(FUNC(tankbatt_state::dsw_r));
map(0x0c18, 0x0c18).mirror(0x13e7).w("watchdog", FUNC(watchdog_timer_device::reset_w));
map(0x2000, 0x3fff).rom().region("maincpu", 0);
}
TIMER_DEVICE_CALLBACK_MEMBER(tankbatt_state::scanline_interrupt)
{
m_maincpu->set_input_line(m6502_device::IRQ_LINE, ASSERT_LINE);
}
static INPUT_PORTS_START( tankbatt )
PORT_START("P1") /* IN0 */
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_4WAY
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_4WAY
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_4WAY
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_4WAY
PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 )
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_COIN1 )
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_COIN2 )
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_SERVICE )
PORT_START("P2") /* IN1 */
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_4WAY PORT_COCKTAIL
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_4WAY PORT_COCKTAIL
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_4WAY PORT_COCKTAIL
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_4WAY PORT_COCKTAIL
PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_COCKTAIL
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_START1 )
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_START2 )
PORT_SERVICE( 0x80, IP_ACTIVE_LOW ) PORT_DIPLOCATION("DSW:8")
PORT_START("DSW") /* DSW */
PORT_DIPNAME( 0x01, 0x01, DEF_STR( Cabinet ) ) PORT_DIPLOCATION("DSW:7")
PORT_DIPSETTING( 0x01, DEF_STR( Upright ) )
PORT_DIPSETTING( 0x00, DEF_STR( Cocktail ) )
PORT_DIPNAME( 0x06, 0x06, DEF_STR( Coinage ) ) PORT_DIPLOCATION("DSW:1,2")
PORT_DIPSETTING( 0x04, DEF_STR( 2C_1C ) )
PORT_DIPSETTING( 0x06, DEF_STR( 1C_1C ) )
PORT_DIPSETTING( 0x02, DEF_STR( 1C_2C ) )
PORT_DIPSETTING( 0x00, DEF_STR( Free_Play ) )
PORT_DIPNAME( 0x18, 0x08, DEF_STR( Bonus_Life ) ) PORT_DIPLOCATION("DSW:3,4")
PORT_DIPSETTING( 0x00, "10000" )
PORT_DIPSETTING( 0x10, "15000" )
PORT_DIPSETTING( 0x08, "20000" )
PORT_DIPSETTING( 0x18, DEF_STR( None ) )
PORT_DIPNAME( 0x20, 0x00, DEF_STR( Lives ) ) PORT_DIPLOCATION("DSW:5")
PORT_DIPSETTING( 0x20, "2" )
PORT_DIPSETTING( 0x00, "3" )
PORT_DIPUNUSED_DIPLOC( 0x40, 0x00, "DSW:6" )
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED )
INPUT_PORTS_END
static const gfx_layout charlayout =
{
8,8, /* 8*8 characters */
256, /* 256 characters */
1, /* 1 bit per pixel */
{ 0 }, /* only one bitplane */
{ 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 /* every char takes 8 consecutive bytes */
};
static const gfx_layout bulletlayout =
{
/* there is no gfx ROM for this one, it is generated by the hardware */
3,3, /* 3*3 box */
1, /* just one */
1, /* 1 bit per pixel */
{ 8*8 },
{ 2, 2, 2 }, /* I "know" that this bit of the */
{ 2, 2, 2 }, /* graphics ROMs is 1 */
0 /* no use */
};
static GFXDECODE_START( gfx_tankbatt )
GFXDECODE_ENTRY( "gfx1", 0, charlayout, 0, 256 )
GFXDECODE_ENTRY( "gfx1", 0, bulletlayout, 0, 256 )
GFXDECODE_END
void tankbatt_state::tankbatt(machine_config &config)
{
/* basic machine hardware */
M6502(config, m_maincpu, 18.432_MHz_XTAL / 24); // ϕ0 = 4H
m_maincpu->set_addrmap(AS_PROGRAM, &tankbatt_state::main_map);
INPUT_MERGER_ALL_HIGH(config, "nmigate").output_handler().set_inputline(m_maincpu, m6502_device::NMI_LINE);
TIMER(config, "16v").configure_scanline(FUNC(tankbatt_state::scanline_interrupt), "screen", 16, 32);
WATCHDOG_TIMER(config, "watchdog").set_vblank_count("screen", 16); // system reset pulse is ripple carry output of 74LS161 at 7C
cd4099_device &outlatch0(CD4099(config, "outlatch0")); // 4099 at 5H or 259 at 5J
outlatch0.q_out_cb<0>().set_output("led0");
outlatch0.q_out_cb<1>().set_output("led1");
outlatch0.q_out_cb<2>().set(FUNC(tankbatt_state::coincounter_w));
outlatch0.q_out_cb<3>().set(FUNC(tankbatt_state::coinlockout_w));
// Q4 through Q7 are not connected
cd4099_device &outlatch1(CD4099(config, "outlatch1")); // 4099 at 4H or 259 at 4J
outlatch1.q_out_cb<0>().set(m_sound_s1, FUNC(netlist_mame_logic_input_device::write_line));
outlatch1.q_out_cb<1>().set(m_sound_s2, FUNC(netlist_mame_logic_input_device::write_line));
outlatch1.q_out_cb<2>().set(m_sound_off, FUNC(netlist_mame_logic_input_device::write_line));
outlatch1.q_out_cb<3>().set(m_sound_engine_hi, FUNC(netlist_mame_logic_input_device::write_line));
outlatch1.q_out_cb<4>().set(m_sound_shoot, FUNC(netlist_mame_logic_input_device::write_line));
outlatch1.q_out_cb<5>().set(m_sound_hit, FUNC(netlist_mame_logic_input_device::write_line));
// Q6 is not connected
outlatch1.q_out_cb<7>().set("nmigate", FUNC(input_merger_device::in_w<1>));
/* video hardware */
screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER));
screen.set_raw(18.432_MHz_XTAL / 3, 384, 0, 256, 264, 16, 240); // timing chain is same as in Galaxian
screen.set_screen_update(FUNC(tankbatt_state::screen_update));
screen.set_palette(m_palette);
screen.screen_vblank().set("nmigate", FUNC(input_merger_device::in_w<0>));
GFXDECODE(config, m_gfxdecode, m_palette, gfx_tankbatt);
PALETTE(config, m_palette, FUNC(tankbatt_state::tankbatt_palette), 256*2, 256);
/* sound hardware */
SPEAKER(config, "mono").front_center();
NETLIST_SOUND(config, "sound_nl", 48000)
.set_source(NETLIST_NAME(tankbatt))
.add_route(ALL_OUTPUTS, "mono", 1.0);
NETLIST_LOGIC_INPUT(config, "sound_nl:s1", "S1.IN", 0);
NETLIST_LOGIC_INPUT(config, "sound_nl:s2", "S2.IN", 0);
NETLIST_LOGIC_INPUT(config, "sound_nl:off", "OFF.IN", 0);
NETLIST_LOGIC_INPUT(config, "sound_nl:engine_hi", "ENGINE_HI.IN", 0);
NETLIST_LOGIC_INPUT(config, "sound_nl:shoot", "SHOOT.IN", 0);
NETLIST_LOGIC_INPUT(config, "sound_nl:hit", "HIT.IN", 0);
NETLIST_STREAM_OUTPUT(config, "sound_nl:cout0", 0, "R35.2").set_mult_offset(10000.0 / 32768.0, 0.0);
}
/***************************************************************************
Game driver(s)
***************************************************************************/
ROM_START( tankbatt )
ROM_REGION( 0x2000, "maincpu", 0 )
ROM_LOAD( "tb1-1.1a", 0x0000, 0x0800, CRC(278a0b8c) SHA1(11ea8fe8401b3cd986616a30a759c0ac1a5ce73b) )
ROM_LOAD( "tb1-2.1b", 0x0800, 0x0800, CRC(e0923370) SHA1(8d3dbea877bed9f9c267d8002dc180f6eb1e5a8f) )
ROM_LOAD( "tb1-3.1c", 0x1000, 0x0800, CRC(85005ea4) SHA1(91583081803a5ef600fb90bee34be9edd87f157e) )
ROM_LOAD( "tb1-4.1d", 0x1800, 0x0800, CRC(3dfb5bcf) SHA1(aa24bf74f4d5dc81baf3843196c837e0b731077b) )
ROM_REGION( 0x0800, "gfx1", 0 )
ROM_LOAD( "tb1-5.2k", 0x0000, 0x0800, CRC(aabd4fb1) SHA1(5cff659b531d0f1b6faa503f7c06045c3a209a84) )
ROM_REGION( 0x0200, "proms", 0 ) /* prom is a Fujitsu MB7052 or equivalent */
ROM_LOAD( "bct1-1.l3", 0x0000, 0x0100, CRC(d17518bc) SHA1(f3b0deffa586808bc59e9a24ec1699c54ebe84cc) )
ROM_END
ROM_START( tankbattb ) /* board with "NAMCO" removed from gfx1 rom, otherwise identical to original */
ROM_REGION( 0x2000, "maincpu", 0 )
ROM_LOAD( "tb1-1.1a", 0x0000, 0x0800, CRC(278a0b8c) SHA1(11ea8fe8401b3cd986616a30a759c0ac1a5ce73b) ) // a.1a
ROM_LOAD( "tb1-2.1b", 0x0800, 0x0800, CRC(e0923370) SHA1(8d3dbea877bed9f9c267d8002dc180f6eb1e5a8f) ) // b.1b
ROM_LOAD( "tb1-3.1c", 0x1000, 0x0800, CRC(85005ea4) SHA1(91583081803a5ef600fb90bee34be9edd87f157e) ) // c.1c
ROM_LOAD( "tb1-4.1d", 0x1800, 0x0800, CRC(3dfb5bcf) SHA1(aa24bf74f4d5dc81baf3843196c837e0b731077b) ) // d.1d
ROM_REGION( 0x0800, "gfx1", 0 )
ROM_LOAD( "e.2k", 0x0000, 0x0800, CRC(249f4e1b) SHA1(8654e8f9aa042ba49f20a58ff21879a593da57a3) )
ROM_REGION( 0x0200, "proms", 0 ) /* prom is a Fujitsu MB7052 or equivalent */
ROM_LOAD( "bct1-1.l3", 0x0000, 0x0100, CRC(d17518bc) SHA1(f3b0deffa586808bc59e9a24ec1699c54ebe84cc) ) // dm74s287n.3l
ROM_END
GAME( 1980, tankbatt, 0, tankbatt, tankbatt, tankbatt_state, empty_init, ROT90, "Namco", "Tank Battalion", MACHINE_IMPERFECT_COLORS |MACHINE_SUPPORTS_SAVE )
GAME( 1980, tankbattb, tankbatt, tankbatt, tankbatt, tankbatt_state, empty_init, ROT90, "bootleg", "Tank Battalion (bootleg)", MACHINE_IMPERFECT_COLORS | MACHINE_SUPPORTS_SAVE )
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