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// license:BSD-3-Clause
// copyright-holders:Sandro Ronco, hap
/******************************************************************************
Mephisto Polgar
Hardware notes:
- RP65C02G @ 4.91MHz
- 64KB ROM (25% unused)
- Mephisto modular display module
- Mephisto modular chessboard
The 10MHz version has a W65C02P-8 @ 9.83MHz.
******************************************************************************/
#include "emu.h"
#include "cpu/m6502/m65c02.h"
#include "cpu/m6502/r65c02.h"
#include "machine/74259.h"
#include "machine/nvram.h"
#include "machine/mmboard.h"
#include "video/mmdisplay2.h"
// internal artwork
#include "mephisto_polgar.lh"
namespace {
class polgar_state : public driver_device
{
public:
polgar_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag)
, m_maincpu(*this, "maincpu")
, m_keys(*this, "KEY")
{ }
void polgar10(machine_config &config);
void polgar(machine_config &config);
private:
required_device<cpu_device> m_maincpu;
required_ioport m_keys;
void polgar_mem(address_map &map);
u8 keys_r(offs_t offset);
};
/******************************************************************************
I/O
******************************************************************************/
u8 polgar_state::keys_r(offs_t offset)
{
return ~(BIT(m_keys->read(), offset) << 7);
}
/******************************************************************************
Address Maps
******************************************************************************/
void polgar_state::polgar_mem(address_map &map)
{
map(0x0000, 0x1fff).ram().share("nvram");
map(0x2000, 0x2000).w("display", FUNC(mephisto_display2_device::latch_w));
map(0x2004, 0x2004).w("display", FUNC(mephisto_display2_device::io_w));
map(0x2400, 0x2400).w("board", FUNC(mephisto_board_device::led_w));
map(0x2800, 0x2800).w("board", FUNC(mephisto_board_device::mux_w));
map(0x2c00, 0x2c07).r(FUNC(polgar_state::keys_r));
map(0x3000, 0x3000).r("board", FUNC(mephisto_board_device::input_r));
map(0x3400, 0x3407).w("outlatch", FUNC(hc259_device::write_d7));
map(0x4000, 0xffff).rom();
}
/******************************************************************************
Input Ports
******************************************************************************/
static INPUT_PORTS_START( polgar )
PORT_START("KEY")
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("TRN / Pawn") PORT_CODE(KEYCODE_T)
PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("INFO / Knight") PORT_CODE(KEYCODE_I)
PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("MEM / Bishop") PORT_CODE(KEYCODE_M)
PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("POS / Rook") PORT_CODE(KEYCODE_O)
PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("LEV / Queen") PORT_CODE(KEYCODE_L)
PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("FCT / King") PORT_CODE(KEYCODE_F)
PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("ENT / New Game") PORT_CODE(KEYCODE_ENTER) PORT_CODE(KEYCODE_F1) // combine for NEW GAME
PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("CL / New Game") PORT_CODE(KEYCODE_BACKSPACE) PORT_CODE(KEYCODE_DEL) PORT_CODE(KEYCODE_F1) // "
INPUT_PORTS_END
/******************************************************************************
Machine Configs
******************************************************************************/
void polgar_state::polgar(machine_config &config)
{
R65C02(config, m_maincpu, 4.9152_MHz_XTAL);
m_maincpu->set_addrmap(AS_PROGRAM, &polgar_state::polgar_mem);
const attotime nmi_period = attotime::from_hz(4.9152_MHz_XTAL / 0x2000);
m_maincpu->set_periodic_int(FUNC(polgar_state::nmi_line_pulse), nmi_period);
NVRAM(config, "nvram", nvram_device::DEFAULT_ALL_0);
hc259_device &outlatch(HC259(config, "outlatch"));
outlatch.q_out_cb<0>().set_output("led100");
outlatch.q_out_cb<1>().set_output("led101");
outlatch.q_out_cb<2>().set_output("led102");
outlatch.q_out_cb<3>().set_output("led103");
outlatch.q_out_cb<4>().set_output("led104");
outlatch.q_out_cb<5>().set_output("led105");
MEPHISTO_SENSORS_BOARD(config, "board");
MEPHISTO_DISPLAY_MODULE2(config, "display");
config.set_default_layout(layout_mephisto_polgar);
}
void polgar_state::polgar10(machine_config &config)
{
polgar(config);
M65C02(config.replace(), m_maincpu, 9.8304_MHz_XTAL);
m_maincpu->set_addrmap(AS_PROGRAM, &polgar_state::polgar_mem);
const attotime nmi_period = attotime::from_hz(9.8304_MHz_XTAL / 0x2000);
m_maincpu->set_periodic_int(FUNC(polgar_state::nmi_line_pulse), nmi_period);
}
/******************************************************************************
ROM Definitions
******************************************************************************/
ROM_START( polgar )
ROM_REGION( 0x10000, "maincpu", 0 )
ROM_LOAD("polgar_1.5_01.02.1990", 0x0000, 0x10000, CRC(88d55c0f) SHA1(e86d088ec3ac68deaf90f6b3b97e3e31b1515913) )
ROM_END
ROM_START( polgara )
ROM_REGION( 0x10000, "maincpu", 0 )
ROM_LOAD("polgar_1.10_04.08.1989", 0x0000, 0x10000, CRC(a4519c55) SHA1(35463a4cbcf20ebbd5ac5bc7664a862b1557c65f) ) // TC57512AD-15
ROM_END
ROM_START( polgar10 )
ROM_REGION( 0x10000, "maincpu", 0 )
ROM_LOAD("polg.10mhz_v_10.0", 0x00000, 0x10000, CRC(7c1960d4) SHA1(4d15b51f9e6f7943815945cd56078ca512a964d4) )
ROM_END
ROM_START( polgar101 )
ROM_REGION( 0x10000, "maincpu", 0 )
ROM_LOAD("polg_101.bin", 0x00000, 0x10000, CRC(8fb6afa4) SHA1(d1cf868302a665ff351686b26a149ced0045fc81) )
ROM_END
} // anonymous namespace
/***************************************************************************
Drivers
***************************************************************************/
/* YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS */
CONS( 1990, polgar, 0, 0, polgar, polgar, polgar_state, empty_init, "Hegener + Glaser", "Mephisto Polgar (v1.50)", MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK )
CONS( 1989, polgara, polgar, 0, polgar, polgar, polgar_state, empty_init, "Hegener + Glaser", "Mephisto Polgar (v1.10)", MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK )
CONS( 1990, polgar10, polgar, 0, polgar10, polgar, polgar_state, empty_init, "Hegener + Glaser", "Mephisto Polgar 10 MHz (v10.0)", MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK )
CONS( 1990, polgar101, polgar, 0, polgar10, polgar, polgar_state, empty_init, "Hegener + Glaser", "Mephisto Polgar 10 MHz (v10.1)", MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK )
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