diff options
Diffstat (limited to 'src/mame/drivers/saitek_corona.cpp')
-rw-r--r-- | src/mame/drivers/saitek_corona.cpp | 206 |
1 files changed, 185 insertions, 21 deletions
diff --git a/src/mame/drivers/saitek_corona.cpp b/src/mame/drivers/saitek_corona.cpp index 730efafdb8d..3f7ab7c1bf1 100644 --- a/src/mame/drivers/saitek_corona.cpp +++ b/src/mame/drivers/saitek_corona.cpp @@ -2,8 +2,7 @@ // copyright-holders:hap /*************************************************************************** -Saitek Corona. This is a subclass of saitek_stratos_state. -Please refer to saitek_stratos.cpp for driver notes. +Saitek Corona. Please refer to saitek_stratos.cpp for driver notes. To be brief, Saitek Corona has two "HELIOS" chips, I/O addressing is completely different compared to Stratos/Turbo King. @@ -14,6 +13,7 @@ different compared to Stratos/Turbo King. #include "includes/saitek_stratos.h" #include "cpu/m6502/m65c02.h" +#include "machine/bankdev.h" #include "machine/nvram.h" #include "machine/sensorboard.h" #include "sound/dac.h" @@ -26,13 +26,19 @@ different compared to Stratos/Turbo King. #include "saitek_corona.lh" // clickable -class saitek_corona_state : public saitek_stratos_state +namespace { + +// note: sub-class of saitek_stratos_state (see mame/includes/saitek_stratos.h, mame/drivers/saitek_stratos.cpp) + +class corona_state : public saitek_stratos_state { public: - saitek_corona_state(const machine_config &mconfig, device_type type, const char *tag) : + corona_state(const machine_config &mconfig, device_type type, const char *tag) : saitek_stratos_state(mconfig, type, tag), + m_rombank(*this, "rombank"), m_board(*this, "board"), - m_dac(*this, "dac") + m_dac(*this, "dac"), + m_inputs(*this, "IN.%u", 0) { } // machine drivers @@ -44,20 +50,60 @@ protected: private: // devices/pointers + required_device<address_map_bank_device> m_rombank; required_device<sensorboard_device> m_board; required_device<dac_bit_interface> m_dac; + required_ioport_array<8+1> m_inputs; void main_map(address_map &map); + void rombank_map(address_map &map); + + // I/O handlers + void update_leds(); + DECLARE_WRITE8_MEMBER(leds1_w); + DECLARE_WRITE8_MEMBER(leds2_w); + DECLARE_WRITE8_MEMBER(select1_w); + DECLARE_WRITE8_MEMBER(select2_w); + DECLARE_WRITE8_MEMBER(control1_w); + DECLARE_WRITE8_MEMBER(control2_w); + DECLARE_READ8_MEMBER(control1_r); + DECLARE_READ8_MEMBER(control2_r); + DECLARE_READ8_MEMBER(chessboard_r); + + u8 m_control1; + u8 m_control2; + u8 m_select1; + u8 m_select2; + u8 m_led_data1; + u8 m_led_data2; }; -void saitek_corona_state::machine_start() +void corona_state::machine_start() { saitek_stratos_state::machine_start(); + + // zerofill + m_control1 = 0; + m_control2 = 0; + m_select1 = 0; + m_select2 = 0; + m_led_data1 = 0; + m_led_data2 = 0; + + // register for savestates + save_item(NAME(m_control1)); + save_item(NAME(m_control2)); + save_item(NAME(m_select1)); + save_item(NAME(m_select2)); + save_item(NAME(m_led_data1)); + save_item(NAME(m_led_data2)); } -void saitek_corona_state::machine_reset() +void corona_state::machine_reset() { saitek_stratos_state::machine_reset(); + + m_rombank->set_bank(0); } @@ -68,15 +114,129 @@ void saitek_corona_state::machine_reset() // HELIOS +void corona_state::update_leds() +{ + // button leds + m_display->matrix_partial(0, 2, 1 << (m_control1 >> 5 & 1), (~m_led_data1 & 0xff), false); + m_display->write_row(2, ~m_select1 >> 4 & 0xf); + + // chessboard leds + m_display->matrix_partial(3, 8, 1 << (m_select1 & 0xf), m_led_data2); +} + +WRITE8_MEMBER(corona_state::leds1_w) +{ + // d0-d7: button led data + m_led_data1 = data; + update_leds(); +} + +WRITE8_MEMBER(corona_state::leds2_w) +{ + // d0-d7: chessboard led data + m_led_data2 = data; + update_leds(); +} + +WRITE8_MEMBER(corona_state::select1_w) +{ + // d0-d3: chessboard led select + // d4-d7: black/white leds + m_select1 = data; + update_leds(); +} + +WRITE8_MEMBER(corona_state::select2_w) +{ + // d0-d3: input mux + // d4-d7: lcd data + m_select2 = data; +} + +WRITE8_MEMBER(corona_state::control1_w) +{ + // d5: button led select + m_control1 = data; + update_leds(); + + // d6: speaker out + m_dac->write(data >> 6 & 1); +} + +WRITE8_MEMBER(corona_state::control2_w) +{ + // d0,d1: rombank + m_rombank->set_bank(data & 3); + + // d2 rising edge: write to lcd + if (~m_control2 & data & 4) + lcd_data_w(m_select2 >> 4); + + // d6 rising edge: power-off request + if (~m_control2 & data & 0x40) + power_off(); + + m_control2 = data; +} + +READ8_MEMBER(corona_state::control1_r) +{ + u8 data = 0; + + // d5: lcd status flag? + if (m_lcd_ready) + data |= 0x20; + + // d6: FREQ. SEL related? + + // d7: battery low + data |= m_inputs[8]->read(); + + return data; +} + +READ8_MEMBER(corona_state::control2_r) +{ + u8 data = 0; + u8 sel = m_select2 & 0xf; + + // d5-d7: read button panel + if (sel < 8) + data |= m_inputs[sel]->read() << 5; + + return data; +} + +READ8_MEMBER(corona_state::chessboard_r) +{ + // d0-d7: chessboard sensors + return ~m_board->read_file(m_select2 & 0xf); +} + + /****************************************************************************** Address Maps ******************************************************************************/ -void saitek_corona_state::main_map(address_map &map) +void corona_state::main_map(address_map &map) { - map(0x0000, 0x1fff).ram(); - map(0x8000, 0xffff).rom(); + map(0x0000, 0x1fff).ram().share("nvram"); + map(0x2000, 0x2000).w(FUNC(corona_state::select1_w)); + map(0x2400, 0x2400).rw(FUNC(corona_state::chessboard_r), FUNC(corona_state::leds1_w)); + map(0x2600, 0x2600).rw(FUNC(corona_state::control1_r), FUNC(corona_state::control1_w)); + map(0x6000, 0x6000).w(FUNC(corona_state::select2_w)); + map(0x6200, 0x6200).w(FUNC(corona_state::lcd_reset_w)); + map(0x6400, 0x6400).w(FUNC(corona_state::leds2_w)); + map(0x6600, 0x6600).rw(FUNC(corona_state::control2_r), FUNC(corona_state::control2_w)); + map(0x8000, 0xffff).m(m_rombank, FUNC(address_map_bank_device::amap8)); +} + +void corona_state::rombank_map(address_map &map) +{ + map.unmap_value_high(); + map(0x00000, 0x0ffff).rom().region("maincpu", 0); + map(0x10000, 0x17fff).r(m_extrom, FUNC(generic_slot_device::read_rom)); } @@ -88,8 +248,8 @@ void saitek_corona_state::main_map(address_map &map) static INPUT_PORTS_START( corona ) PORT_INCLUDE( saitek_stratos ) - PORT_MODIFY("IN.6") - PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_CUSTOM) + PORT_MODIFY("IN.5") + PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_CUSTOM) PORT_CODE(KEYCODE_G) PORT_NAME("LCD Scroll") INPUT_PORTS_END @@ -98,23 +258,25 @@ INPUT_PORTS_END Machine Drivers ******************************************************************************/ -void saitek_corona_state::corona(machine_config &config) +void corona_state::corona(machine_config &config) { /* basic machine hardware */ M65C02(config, m_maincpu, 5_MHz_XTAL); // see set_cpu_freq - m_maincpu->set_addrmap(AS_PROGRAM, &saitek_corona_state::main_map); - m_maincpu->set_periodic_int(FUNC(saitek_corona_state::irq0_line_hold), attotime::from_hz(100)); + m_maincpu->set_addrmap(AS_PROGRAM, &corona_state::main_map); + m_maincpu->set_periodic_int(FUNC(corona_state::irq0_line_hold), attotime::from_hz(175)); + + ADDRESS_MAP_BANK(config, "rombank").set_map(&corona_state::rombank_map).set_options(ENDIANNESS_LITTLE, 8, 17, 0x8000); + + NVRAM(config, "nvram", nvram_device::DEFAULT_ALL_0); SENSORBOARD(config, m_board).set_type(sensorboard_device::MAGNETS); m_board->init_cb().set(m_board, FUNC(sensorboard_device::preset_chess)); m_board->set_delay(attotime::from_msec(200)); /* video hardware */ - PWM_DISPLAY(config, m_display).set_size(2+4, 8+1); + PWM_DISPLAY(config, m_display).set_size(3+8, 8); config.set_default_layout(layout_saitek_corona); - TIMER(config, "lcd_busy").configure_generic(timer_device::expired_delegate()); - /* sound hardware */ SPEAKER(config, "speaker").front_center(); DAC_1BIT(config, m_dac).add_route(ALL_OUTPUTS, "speaker", 0.25); @@ -122,7 +284,7 @@ void saitek_corona_state::corona(machine_config &config) /* extension rom */ GENERIC_CARTSLOT(config, m_extrom, generic_plain_slot, "saitek_egr", "bin"); - m_extrom->set_device_load(FUNC(saitek_corona_state::extrom_load), this); + m_extrom->set_device_load(FUNC(corona_state::extrom_load), this); SOFTWARE_LIST(config, "cart_list").set_original("saitek_egr"); } @@ -145,6 +307,8 @@ ROM_START( coronaa ) ROM_LOAD("bw2_a14_u3.u3", 0x8000, 0x8000, CRC(abe87285) SHA1(b15f7ddeac78d252cf413ba4085523e44c6d15df) ) ROM_END +} // anonymous namespace + /****************************************************************************** @@ -152,5 +316,5 @@ ROM_END ******************************************************************************/ /* YEAR NAME PARENT CMP MACHINE INPUT CLASS INIT COMPANY, FULLNAME, FLAGS */ -CONS( 1988, corona, 0, 0, corona, corona, saitek_corona_state, empty_init, "Saitek", "Kasparov Corona (ver. D+)", MACHINE_NOT_WORKING | MACHINE_SUPPORTS_SAVE | MACHINE_IMPERFECT_GRAPHICS | MACHINE_CLICKABLE_ARTWORK ) // aka Corona II -CONS( 1988, coronaa, corona, 0, corona, corona, saitek_corona_state, empty_init, "Saitek", "Kasparov Corona (ver. D)", MACHINE_NOT_WORKING | MACHINE_SUPPORTS_SAVE | MACHINE_IMPERFECT_GRAPHICS | MACHINE_CLICKABLE_ARTWORK ) +CONS( 1988, corona, 0, 0, corona, corona, corona_state, empty_init, "Saitek", "Kasparov Corona (ver. D+)", MACHINE_SUPPORTS_SAVE | MACHINE_IMPERFECT_GRAPHICS | MACHINE_CLICKABLE_ARTWORK ) // aka Corona II +CONS( 1988, coronaa, corona, 0, corona, corona, corona_state, empty_init, "Saitek", "Kasparov Corona (ver. D)", MACHINE_SUPPORTS_SAVE | MACHINE_IMPERFECT_GRAPHICS | MACHINE_CLICKABLE_ARTWORK ) |