diff options
Diffstat (limited to 'src/mame/drivers/wacky_gator.cpp')
-rw-r--r-- | src/mame/drivers/wacky_gator.cpp | 336 |
1 files changed, 336 insertions, 0 deletions
diff --git a/src/mame/drivers/wacky_gator.cpp b/src/mame/drivers/wacky_gator.cpp new file mode 100644 index 00000000000..aa2d51203e9 --- /dev/null +++ b/src/mame/drivers/wacky_gator.cpp @@ -0,0 +1,336 @@ +// license:GPL2+ +// copyright-holders:FelipeSanches, Sandro Ronco +// +// Wacky Gator +// +// Driver by Sandro Ronco and +// Felipe Correa da Silva Sanches <juca@members.fsf.org> +// + +/* + Most of this driver is based on guessing since I do not have access to the actual pcb for this game. + Once we get a pcb, please review the correctness of the code in this driver before deleting this comment. + + TODO: + - IRQ and NMI sources are unknown + - proper PMM8713 and steppers emulation +*/ + +#include "emu.h" +#include "cpu/m6809/m6809.h" +#include "machine/i8255.h" +#include "machine/pit8253.h" +#include "machine/ticket.h" +#include "sound/2413intf.h" +#include "sound/msm5205.h" + +#include "wackygtr.lh" + + +class wackygtr_state : public driver_device +{ +public: + wackygtr_state(const machine_config &mconfig, device_type type, const char *tag) + : driver_device(mconfig, type, tag), + m_maincpu(*this, "maincpu"), + m_msm(*this, "msm"), + m_pit8253_0(*this, "pit8253_0"), + m_pit8253_1(*this, "pit8253_1"), + m_ticket(*this, "ticket"), + m_samples(*this, "oki") + { } + + required_device<cpu_device> m_maincpu; + required_device<msm5205_device> m_msm; + required_device<pit8253_device> m_pit8253_0; + required_device<pit8253_device> m_pit8253_1; + required_device<ticket_dispenser_device> m_ticket; + required_memory_region m_samples; + + DECLARE_DRIVER_INIT(wackygtr); + void machine_reset(); + + DECLARE_WRITE_LINE_MEMBER(adpcm_int); + DECLARE_WRITE8_MEMBER(sample_ctrl_w); + DECLARE_WRITE8_MEMBER(alligators_ctrl1_w); + DECLARE_WRITE8_MEMBER(alligators_ctrl2_w); + DECLARE_CUSTOM_INPUT_MEMBER(alligators_rear_sensors_r); + DECLARE_CUSTOM_INPUT_MEMBER(alligators_front_sensors_r); + + void set_lamps(int p, UINT8 value); + DECLARE_WRITE8_MEMBER(status_lamps_w); + DECLARE_WRITE8_MEMBER(timing_lamps_0_w) { set_lamps(8 , data); } + DECLARE_WRITE8_MEMBER(timing_lamps_1_w) { set_lamps(16, data); } + DECLARE_WRITE8_MEMBER(timing_lamps_2_w) { set_lamps(24, data); } + + void set_digits(int p, UINT8 value); + DECLARE_WRITE8_MEMBER(disp0_w) { set_digits(0, data); } + DECLARE_WRITE8_MEMBER(disp1_w) { set_digits(2, data); } + DECLARE_WRITE8_MEMBER(disp2_w) { set_digits(4, data); } + DECLARE_WRITE8_MEMBER(disp3_w) { set_digits(6, data); } + + void pmm8713_ck(int i, int state); + DECLARE_WRITE_LINE_MEMBER(alligator0_ck) { pmm8713_ck(0, state); } + DECLARE_WRITE_LINE_MEMBER(alligator1_ck) { pmm8713_ck(1, state); } + DECLARE_WRITE_LINE_MEMBER(alligator2_ck) { pmm8713_ck(2, state); } + DECLARE_WRITE_LINE_MEMBER(alligator3_ck) { pmm8713_ck(3, state); } + DECLARE_WRITE_LINE_MEMBER(alligator4_ck) { pmm8713_ck(4, state); } + + DECLARE_WRITE8_MEMBER(irq_ack_w) { m_maincpu->set_input_line(M6809_IRQ_LINE, CLEAR_LINE); } + DECLARE_WRITE8_MEMBER(firq_ack_w) { m_maincpu->set_input_line(M6809_FIRQ_LINE, CLEAR_LINE); } + + TIMER_DEVICE_CALLBACK_MEMBER(nmi_timer) { m_maincpu->set_input_line(INPUT_LINE_NMI, PULSE_LINE); } + +private: + int m_adpcm_sel; + UINT16 m_adpcm_pos; + UINT8 m_adpcm_ctrl; + + UINT8 m_alligators_ctrl; + int m_motors_pos[5]; +}; + + +DRIVER_INIT_MEMBER(wackygtr_state, wackygtr) +{ +} + +WRITE8_MEMBER(wackygtr_state::status_lamps_w) +{ + /* + ---x xxxx status lamps + --x- ---- game over lamp + -x-- ---- coin counter + x--- ---- ticket dispenser + */ + + set_lamps(0, data & 0x3f); + + coin_counter_w(machine(), 0, BIT(data, 6)); + m_ticket->write(space, 0, data & 0x80); +} + +WRITE8_MEMBER(wackygtr_state::sample_ctrl_w) +{ + /* + --xx xxxx sample index + -x-- ---- ??? + x--- ---- 5205 reset + */ + + m_adpcm_ctrl = data; + m_adpcm_pos = (data & 0x3f) * 0x400; + m_adpcm_sel = 0; + m_msm->reset_w(BIT(data, 7)); +} + +WRITE8_MEMBER(wackygtr_state::alligators_ctrl1_w) +{ + m_pit8253_0->write_gate0(BIT(data, 0)); + m_pit8253_0->write_gate1(BIT(data, 1)); + m_pit8253_0->write_gate2(BIT(data, 2)); + m_pit8253_1->write_gate1(BIT(data, 3)); + m_pit8253_1->write_gate2(BIT(data, 4)); + + coin_lockout_w(machine(), 0, data & 0x40 ? 0 : 1); +} + +WRITE8_MEMBER(wackygtr_state::alligators_ctrl2_w) +{ + /* + ---- ---x PMM8713 0 U/D + ---- --x- PMM8713 1 U/D + ---- -x-- PMM8713 2 U/D + ---- x--- PMM8713 3 U/D + ---x ---- PMM8713 4 U/D + */ + + m_alligators_ctrl = data & 0x1f; +} + +void wackygtr_state::pmm8713_ck(int i, int state) +{ + if (state) + { + m_motors_pos[i] += (BIT(m_alligators_ctrl, i) ? +1 : -1); + + int alligator_state = m_motors_pos[i] / 10; + if (alligator_state > 5) alligator_state = 5; + if (alligator_state < 0) alligator_state = 0; + output_set_indexed_value("alligator", i, alligator_state); + } +} + +CUSTOM_INPUT_MEMBER(wackygtr_state::alligators_rear_sensors_r) +{ + return ((m_motors_pos[0] < 10) ? 0x01 : 0) | + ((m_motors_pos[1] < 10) ? 0x02 : 0) | + ((m_motors_pos[2] < 10) ? 0x04 : 0) | + ((m_motors_pos[3] < 10) ? 0x08 : 0) | + ((m_motors_pos[4] < 10) ? 0x10 : 0) | + (m_alligators_ctrl ^ 0x1f); +} + +CUSTOM_INPUT_MEMBER(wackygtr_state::alligators_front_sensors_r) +{ + return ((m_motors_pos[0] < 5 || m_motors_pos[0] > 55) ? 0x01 : 0) | + ((m_motors_pos[1] < 5 || m_motors_pos[1] > 55) ? 0x02 : 0) | + ((m_motors_pos[2] < 5 || m_motors_pos[2] > 55) ? 0x04 : 0) | + ((m_motors_pos[3] < 5 || m_motors_pos[3] > 55) ? 0x08 : 0) | + ((m_motors_pos[4] < 5 || m_motors_pos[4] > 55) ? 0x10 : 0); +} + +void wackygtr_state::machine_reset() +{ + m_adpcm_pos = 0; + m_adpcm_sel = 0; + m_adpcm_ctrl = 0x80; +} + +void wackygtr_state::set_digits(int p, UINT8 value) +{ + static UINT8 bcd2hex[] = { 0x3f, 0x06, 0x5b, 0x4f, 0x66, 0x6d, 0x7d, 0x07, 0x7f, 0x67, 0, 0, 0, 0, 0, 0 }; // not accurate + output_set_digit_value(p + 0, bcd2hex[value & 0x0f]); + output_set_digit_value(p + 1, bcd2hex[(value >> 4) & 0x0f]); +} + +void wackygtr_state::set_lamps(int p, UINT8 value) +{ + for(int i=0; i<8; i++) + output_set_lamp_value(p + i, BIT(value, i)); +} + +static INPUT_PORTS_START( wackygtr ) + PORT_START("IN0") + PORT_BIT(0x1f, IP_ACTIVE_LOW, IPT_SPECIAL) PORT_CUSTOM_MEMBER(DEVICE_SELF, wackygtr_state, alligators_rear_sensors_r, NULL) + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_SERVICE) + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_SERVICE1) + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_COIN1) + + PORT_START("IN1") + PORT_BIT(0x1f, IP_ACTIVE_LOW, IPT_SPECIAL) PORT_CUSTOM_MEMBER(DEVICE_SELF, wackygtr_state, alligators_front_sensors_r, NULL) + PORT_DIPNAME( 0xe0, 0x00, DEF_STR( Coin_A ) ) PORT_DIPLOCATION("SW:1,2,3") + PORT_DIPSETTING( 0x00, DEF_STR( 1C_1C ) ) + PORT_DIPSETTING( 0x20, DEF_STR( 1C_1C ) ) + PORT_DIPSETTING( 0x40, DEF_STR( 1C_1C ) ) + PORT_DIPSETTING( 0x60, DEF_STR( 2C_1C ) ) + PORT_DIPSETTING( 0x80, DEF_STR( 1C_1C ) ) + PORT_DIPSETTING( 0xa0, DEF_STR( 2C_1C ) ) + PORT_DIPSETTING( 0xc0, DEF_STR( 1C_1C ) ) + PORT_DIPSETTING( 0xe0, DEF_STR( 2C_1C ) ) + + PORT_START("IN2") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_POKER_HOLD1) + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_POKER_HOLD2) + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_POKER_HOLD3) + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_POKER_HOLD4) + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_POKER_HOLD5) + PORT_DIPNAME( 0x20, 0x20, DEF_STR( Test ) ) PORT_DIPLOCATION("SW:4") // For factory Test use ONLY! Do not change + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPSETTING( 0x20, DEF_STR( Off ) ) + PORT_DIPNAME( 0x40, 0x00, DEF_STR( Demo_Sounds ) ) PORT_DIPLOCATION("SW:5") + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPSETTING( 0x40, DEF_STR( Off ) ) + PORT_DIPNAME( 0x80, 0x80, DEF_STR( Test ) ) PORT_DIPLOCATION("SW:6") // For factory Test use ONLY! Do not change + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPSETTING( 0x80, DEF_STR( Off ) ) +INPUT_PORTS_END + +WRITE_LINE_MEMBER(wackygtr_state::adpcm_int) +{ + if (!(m_adpcm_ctrl & 0x80)) + { + UINT8 data = m_samples->base()[m_adpcm_pos & 0xffff]; + m_msm->data_w((m_adpcm_sel ? data : (data >> 4)) & 0x0f); + m_adpcm_pos += m_adpcm_sel; + m_adpcm_sel ^= 1; + } +} + +static ADDRESS_MAP_START( program_map, AS_PROGRAM, 8, wackygtr_state ) + AM_RANGE(0x0200, 0x0200) AM_READNOP AM_WRITE(irq_ack_w) + AM_RANGE(0x0400, 0x0400) AM_READNOP AM_WRITE(firq_ack_w) + AM_RANGE(0x0600, 0x0600) AM_WRITE(disp0_w) + AM_RANGE(0x0800, 0x0800) AM_WRITE(disp1_w) + AM_RANGE(0x0a00, 0x0a00) AM_WRITE(disp2_w) + AM_RANGE(0x0c00, 0x0c00) AM_WRITE(disp3_w) + AM_RANGE(0x0e00, 0x0e00) AM_WRITE(sample_ctrl_w) + + AM_RANGE(0x1000, 0x1001) AM_DEVWRITE("ymsnd", ym2413_device, write) + + AM_RANGE(0x2000, 0x2003) AM_DEVREADWRITE("pit8253_0", pit8253_device, read, write) + AM_RANGE(0x3000, 0x3003) AM_DEVREADWRITE("pit8253_1", pit8253_device, read, write) + + AM_RANGE(0x4000, 0x4003) AM_DEVREADWRITE("i8255_0", i8255_device, read, write) + AM_RANGE(0x5000, 0x5003) AM_DEVREADWRITE("i8255_1", i8255_device, read, write) + AM_RANGE(0x6000, 0x6003) AM_DEVREADWRITE("i8255_2", i8255_device, read, write) + + AM_RANGE(0x7000, 0x7fff) AM_RAM + AM_RANGE(0x8000, 0xffff) AM_ROM +ADDRESS_MAP_END + +static MACHINE_CONFIG_START( wackygtr, wackygtr_state ) + + MCFG_CPU_ADD("maincpu", M6809E, XTAL_3_579545MHz) // HD68B09P + MCFG_CPU_PROGRAM_MAP(program_map) + MCFG_CPU_PERIODIC_INT_DRIVER(wackygtr_state, irq0_line_assert, 50) // FIXME + + MCFG_TIMER_DRIVER_ADD_PERIODIC("nmi_timer", wackygtr_state, nmi_timer, attotime::from_hz(100)) // FIXME + + /* Video */ + MCFG_DEFAULT_LAYOUT(layout_wackygtr) + + /* Sound */ + MCFG_SPEAKER_STANDARD_MONO("mono") + MCFG_SOUND_ADD("msm", MSM5205, XTAL_384kHz ) + MCFG_MSM5205_VCLK_CB(WRITELINE(wackygtr_state, adpcm_int)) /* IRQ handler */ + MCFG_MSM5205_PRESCALER_SELECTOR(MSM5205_S48_4B) /* 8 KHz, 4 Bits */ + MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0) + + MCFG_SOUND_ADD("ymsnd", YM2413, XTAL_3_579545MHz ) + MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0) + + MCFG_DEVICE_ADD("i8255_0", I8255, 0) + MCFG_I8255_OUT_PORTA_CB(WRITE8(wackygtr_state, status_lamps_w)) + MCFG_I8255_OUT_PORTB_CB(WRITE8(wackygtr_state, alligators_ctrl1_w)) + MCFG_I8255_OUT_PORTC_CB(WRITE8(wackygtr_state, alligators_ctrl2_w)) + + MCFG_DEVICE_ADD("i8255_1", I8255, 0) + MCFG_I8255_OUT_PORTA_CB(WRITE8(wackygtr_state, timing_lamps_0_w)) + MCFG_I8255_OUT_PORTB_CB(WRITE8(wackygtr_state, timing_lamps_1_w)) + MCFG_I8255_OUT_PORTC_CB(WRITE8(wackygtr_state, timing_lamps_2_w)) + + MCFG_DEVICE_ADD("i8255_2", I8255, 0) + MCFG_I8255_IN_PORTA_CB(IOPORT("IN0")) + MCFG_I8255_IN_PORTB_CB(IOPORT("IN1")) + MCFG_I8255_IN_PORTC_CB(IOPORT("IN2")) + + MCFG_DEVICE_ADD("pit8253_0", PIT8253, 0) + MCFG_PIT8253_CLK0(XTAL_3_579545MHz/16) // this is a guess + MCFG_PIT8253_OUT0_HANDLER(WRITELINE(wackygtr_state, alligator0_ck)) + MCFG_PIT8253_CLK1(XTAL_3_579545MHz/16) // this is a guess + MCFG_PIT8253_OUT1_HANDLER(WRITELINE(wackygtr_state, alligator1_ck)) + MCFG_PIT8253_CLK2(XTAL_3_579545MHz/16) // this is a guess + MCFG_PIT8253_OUT2_HANDLER(WRITELINE(wackygtr_state, alligator2_ck)) + + MCFG_DEVICE_ADD("pit8253_1", PIT8253, 0) + MCFG_PIT8253_CLK0(XTAL_3_579545MHz/16) // this is a guess + MCFG_PIT8253_OUT0_HANDLER(INPUTLINE("maincpu", M6809_FIRQ_LINE)) + MCFG_PIT8253_CLK1(XTAL_3_579545MHz/16) // this is a guess + MCFG_PIT8253_OUT1_HANDLER(WRITELINE(wackygtr_state, alligator3_ck)) + MCFG_PIT8253_CLK2(XTAL_3_579545MHz/16) // this is a guess + MCFG_PIT8253_OUT2_HANDLER(WRITELINE(wackygtr_state, alligator4_ck)) + + MCFG_TICKET_DISPENSER_ADD("ticket", attotime::from_msec(200), TICKET_MOTOR_ACTIVE_HIGH, TICKET_STATUS_ACTIVE_HIGH) +MACHINE_CONFIG_END + + +ROM_START( wackygtr ) + ROM_REGION(0x10000, "maincpu", 0) + ROM_LOAD("wp3-pr0.4d", 0x8000, 0x8000, CRC(71ca4437) SHA1(c7d948c5593e6053fd0a65601f6c06871f5861f0)) + + ROM_REGION(0x10000, "oki", 0) + ROM_LOAD("wp3-vo0.2h", 0x0000, 0x10000, CRC(91c7986f) SHA1(bc9fa0d41c1caa0f909a349f511d022b7e42c6cd)) +ROM_END + +GAME(1990, wackygtr, 0, wackygtr, wackygtr, wackygtr_state, wackygtr, ROT0, "Data East", "Wacky Gator", MACHINE_IS_SKELETON_MECHANICAL) |