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// license:BSD-3-Clause
// copyright-holders:Sandro Ronco, hap
/******************************************************************************
Mephisto Mondial
Hardware notes:
- G65SC02-1 @ 2MHz
- 2KB RAM(TC5517AP), 16KB ROM
- expansion slot at underside
- 8*8 chessboard buttons, 24 leds, active buzzer
TODO:
- verify XTAL (or maybe RC or LC circuit), 2MHz is correct
- dump/add MM 1000 module
******************************************************************************/
#include "emu.h"
#include "bus/generic/slot.h"
#include "bus/generic/carts.h"
#include "cpu/m6502/m65sc02.h"
#include "machine/sensorboard.h"
#include "sound/beep.h"
#include "video/pwm.h"
#include "speaker.h"
// internal artwork
#include "mephisto_mondial.lh"
namespace {
class mondial_state : public driver_device
{
public:
mondial_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag)
, m_maincpu(*this, "maincpu")
, m_board(*this, "board")
, m_led_pwm(*this, "led_pwm")
, m_beeper(*this, "beeper")
, m_keys(*this, "KEY.%u", 0)
{ }
void mondial(machine_config &config);
protected:
virtual void machine_start() override;
private:
required_device<cpu_device> m_maincpu;
required_device<sensorboard_device> m_board;
required_device<pwm_display_device> m_led_pwm;
required_device<beep_device> m_beeper;
required_ioport_array<2> m_keys;
void mondial_mem(address_map &map);
void control_w(u8 data);
u8 irq_ack_r();
u8 input_r(offs_t offset);
u8 m_inp_mux = 0;
};
void mondial_state::machine_start()
{
save_item(NAME(m_inp_mux));
}
/******************************************************************************
I/O
******************************************************************************/
void mondial_state::control_w(u8 data)
{
// d0-d3: input mux, led select
// d4-d6: led data
m_inp_mux = data & 0xf;
m_led_pwm->matrix(1 << m_inp_mux, ~data >> 4 & 7);
// d7: enable beeper
m_beeper->set_state(BIT(data, 7));
}
u8 mondial_state::irq_ack_r()
{
if (!machine().side_effects_disabled())
m_maincpu->set_input_line(0, CLEAR_LINE);
return 0;
}
u8 mondial_state::input_r(offs_t offset)
{
u8 data = 0;
// read chessboard sensors
if (m_inp_mux < 8)
data = m_board->read_rank(m_inp_mux);
// read keypad
else
data = m_keys[m_inp_mux & 1]->read();
return ~(BIT(data, offset) << 7);
}
/******************************************************************************
Address Maps
******************************************************************************/
void mondial_state::mondial_mem(address_map &map)
{
map(0x0000, 0x07ff).ram();
map(0x1000, 0x1000).w(FUNC(mondial_state::control_w));
map(0x1800, 0x1807).r(FUNC(mondial_state::input_r));
map(0x2000, 0x2000).r(FUNC(mondial_state::irq_ack_r));
map(0xc000, 0xffff).rom();
}
/******************************************************************************
Input Ports
******************************************************************************/
static INPUT_PORTS_START( mondial )
PORT_START("KEY.0")
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Pawn / 1") PORT_CODE(KEYCODE_1) PORT_CODE(KEYCODE_1_PAD)
PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Knight / 2") PORT_CODE(KEYCODE_2) PORT_CODE(KEYCODE_2_PAD)
PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Bishop / 3") PORT_CODE(KEYCODE_3) PORT_CODE(KEYCODE_3_PAD)
PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Rook / 4") PORT_CODE(KEYCODE_4) PORT_CODE(KEYCODE_4_PAD)
PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Queen / 5") PORT_CODE(KEYCODE_5) PORT_CODE(KEYCODE_5_PAD)
PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("King / 6") PORT_CODE(KEYCODE_6) PORT_CODE(KEYCODE_6_PAD)
PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("Black / 7") PORT_CODE(KEYCODE_7) PORT_CODE(KEYCODE_7_PAD)
PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("White / 8") PORT_CODE(KEYCODE_8) PORT_CODE(KEYCODE_8_PAD)
PORT_START("KEY.1")
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("PLAY") PORT_CODE(KEYCODE_Y)
PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("POS") PORT_CODE(KEYCODE_O)
PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("MEM") PORT_CODE(KEYCODE_M)
PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("INFO") PORT_CODE(KEYCODE_I)
PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("CL") PORT_CODE(KEYCODE_DEL) PORT_CODE(KEYCODE_BACKSPACE)
PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("LEV") PORT_CODE(KEYCODE_L)
PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("ENT") PORT_CODE(KEYCODE_ENTER) PORT_CODE(KEYCODE_ENTER_PAD)
PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("RES") PORT_CODE(KEYCODE_F1)
INPUT_PORTS_END
/******************************************************************************
Machine Configs
******************************************************************************/
void mondial_state::mondial(machine_config &config)
{
/* basic machine hardware */
M65SC02(config, m_maincpu, 2000000);
m_maincpu->set_addrmap(AS_PROGRAM, &mondial_state::mondial_mem);
const attotime irq_period = attotime::from_hz(2000000 / 0x1000);
m_maincpu->set_periodic_int(FUNC(mondial_state::irq0_line_assert), irq_period);
SENSORBOARD(config, m_board).set_type(sensorboard_device::BUTTONS);
m_board->init_cb().set(m_board, FUNC(sensorboard_device::preset_chess));
m_board->set_delay(attotime::from_msec(250));
//GENERIC_CARTSLOT(config, "cartslot", generic_plain_slot, "mondial_cart");
//SOFTWARE_LIST(config, "cart_list").set_original("mephisto_mondial");
/* video hardware */
PWM_DISPLAY(config, m_led_pwm).set_size(8, 3);
config.set_default_layout(layout_mephisto_mondial);
/* sound hardware */
SPEAKER(config, "speaker").front_center();
BEEP(config, m_beeper, 2150); // approximation
m_beeper->add_route(ALL_OUTPUTS, "speaker", 0.25);
}
/******************************************************************************
ROM Definitions
******************************************************************************/
ROM_START( mondial )
ROM_REGION( 0x10000, "maincpu", 0 )
ROM_LOAD("cn61057n_hgs_10_470_00", 0xc000, 0x4000, CRC(5cde2e26) SHA1(337be35d5120ca12143ca17f8aa0642b313b3851) )
ROM_END
} // anonymous namespace
/***************************************************************************
Drivers
***************************************************************************/
/* YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS */
CONS( 1985, mondial, 0, 0, mondial, mondial, mondial_state, empty_init, "Hegener + Glaser", "Mephisto Mondial", MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK )
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