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Diffstat (limited to 'src/mame/drivers/fidelmcs48.cpp')
-rw-r--r-- | src/mame/drivers/fidelmcs48.cpp | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/src/mame/drivers/fidelmcs48.cpp b/src/mame/drivers/fidelmcs48.cpp new file mode 100644 index 00000000000..7b49319751a --- /dev/null +++ b/src/mame/drivers/fidelmcs48.cpp @@ -0,0 +1,191 @@ +// license:BSD-3-Clause +// copyright-holders:hap +// thanks-to:yoyo_chessboard +/****************************************************************************** + + Fidelity Electronics generic MCS-48 based chess computer driver + + NOTE: MAME doesn't include a generalized implementation for boardpieces yet, + greatly affecting user playability of emulated electronic board games. + As workaround for the chess games, use an external chess GUI on the side, + such as Arena(in editmode). + + TODO: + - nothing + +****************************************************************************** + +Sensory Chess Challenger 6 (model SC6): +- PCB label 510-1045B01 +- INS8040N-11 MCU, 11MHz XTAL +- external 4KB ROM 2332 101-1035A01, in module slot +- buzzer, 2 7seg LEDs, 8*8 chessboard buttons + +******************************************************************************/ + +#include "emu.h" +#include "includes/fidelbase.h" + +#include "cpu/mcs48/mcs48.h" +#include "sound/volt_reg.h" +#include "speaker.h" + +// internal artwork +#include "fidel_sc6.lh" // clickable + + +class fidelmcs48_state : public fidelbase_state +{ +public: + fidelmcs48_state(const machine_config &mconfig, device_type type, const char *tag) + : fidelbase_state(mconfig, type, tag) + { } + + void sc6(machine_config &config); + +private: + // SC6 + void sc6_prepare_display(); + DECLARE_WRITE8_MEMBER(sc6_mux_w); + DECLARE_WRITE8_MEMBER(sc6_select_w); + DECLARE_READ8_MEMBER(sc6_input_r); + DECLARE_READ_LINE_MEMBER(sc6_input6_r); + DECLARE_READ_LINE_MEMBER(sc6_input7_r); + void sc6_map(address_map &map); +}; + + + +// Devices, I/O + +/****************************************************************************** + SC6 +******************************************************************************/ + +// MCU ports/generic + +void fidelmcs48_state::sc6_prepare_display() +{ + // 2 7seg leds + set_display_segmask(3, 0x7f); + display_matrix(7, 2, m_7seg_data, m_led_select); +} + +WRITE8_MEMBER(fidelmcs48_state::sc6_mux_w) +{ + // P24-P27: 7442 A-D + u16 sel = 1 << (data >> 4 & 0xf) & 0x3ff; + + // 7442 0-8: input mux, 7seg data + m_inp_mux = sel & 0x1ff; + m_7seg_data = sel & 0x7f; + sc6_prepare_display(); + + // 7442 9: speaker out + m_dac->write(BIT(sel, 9)); +} + +WRITE8_MEMBER(fidelmcs48_state::sc6_select_w) +{ + // P16,P17: digit select + m_led_select = ~data >> 6 & 3; + sc6_prepare_display(); +} + +READ8_MEMBER(fidelmcs48_state::sc6_input_r) +{ + // P10-P15: multiplexed inputs low + return (~read_inputs(9) & 0x3f) | 0xc0; +} + +READ_LINE_MEMBER(fidelmcs48_state::sc6_input6_r) +{ + // T0: multiplexed inputs bit 6 + return ~read_inputs(9) >> 6 & 1; +} + +READ_LINE_MEMBER(fidelmcs48_state::sc6_input7_r) +{ + // T1: multiplexed inputs bit 7 + return ~read_inputs(9) >> 7 & 1; +} + + + +/****************************************************************************** + Address Maps +******************************************************************************/ + +// SC6 + +void fidelmcs48_state::sc6_map(address_map &map) +{ + map(0x0000, 0x0fff).rom(); +} + + + +/****************************************************************************** + Input Ports +******************************************************************************/ + +static INPUT_PORTS_START( sc6 ) + PORT_INCLUDE( fidel_cb_buttons ) + + PORT_START("IN.8") + PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_1) PORT_CODE(KEYCODE_1_PAD) PORT_NAME("RV / Pawn") + PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_2) PORT_CODE(KEYCODE_2_PAD) PORT_NAME("DM / Knight") + PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_3) PORT_CODE(KEYCODE_3_PAD) PORT_NAME("TB / Bishop") + PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_4) PORT_CODE(KEYCODE_4_PAD) PORT_NAME("LV / Rook") + PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_5) PORT_CODE(KEYCODE_5_PAD) PORT_NAME("PV / Queen") + PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_6) PORT_CODE(KEYCODE_6_PAD) PORT_NAME("PB / King") + PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_DEL) PORT_NAME("CL") + PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_R) PORT_NAME("RE") +INPUT_PORTS_END + + + +/****************************************************************************** + Machine Drivers +******************************************************************************/ + +MACHINE_CONFIG_START(fidelmcs48_state::sc6) + + /* basic machine hardware */ + i8040_device &maincpu(I8040(config, m_maincpu, 11_MHz_XTAL)); + maincpu.set_addrmap(AS_PROGRAM, &fidelmcs48_state::sc6_map); + maincpu.p2_out_cb().set(FUNC(fidelmcs48_state::sc6_mux_w)); + maincpu.p1_in_cb().set(FUNC(fidelmcs48_state::sc6_input_r)); + maincpu.p1_out_cb().set(FUNC(fidelmcs48_state::sc6_select_w)); + maincpu.t0_in_cb().set(FUNC(fidelmcs48_state::sc6_input6_r)); + maincpu.t1_in_cb().set(FUNC(fidelmcs48_state::sc6_input7_r)); + + MCFG_TIMER_DRIVER_ADD_PERIODIC("display_decay", fidelbase_state, display_decay_tick, attotime::from_msec(1)) + config.set_default_layout(layout_fidel_sc6); + + /* sound hardware */ + SPEAKER(config, "speaker").front_center(); + MCFG_DEVICE_ADD("dac", DAC_1BIT, 0) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "speaker", 0.25) + MCFG_DEVICE_ADD("vref", VOLTAGE_REGULATOR, 0) MCFG_VOLTAGE_REGULATOR_OUTPUT(5.0) + MCFG_SOUND_ROUTE(0, "dac", 1.0, DAC_VREF_POS_INPUT) +MACHINE_CONFIG_END + + + +/****************************************************************************** + ROM Definitions +******************************************************************************/ + +ROM_START( fscc6 ) + ROM_REGION( 0x1000, "maincpu", 0 ) + ROM_LOAD("101-1035a01", 0x0000, 0x1000, CRC(0024971f) SHA1(76b16364913ada2fb94b9e6a8524b924e6832ddf) ) // 2332 +ROM_END + + + +/****************************************************************************** + Drivers +******************************************************************************/ + +// YEAR NAME PARENT CMP MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS +CONS( 1982, fscc6, 0, 0, sc6, sc6, fidelmcs48_state, empty_init, "Fidelity Electronics", "Sensory Chess Challenger 6", MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK | MACHINE_IMPERFECT_CONTROLS ) |