diff options
Diffstat (limited to 'src/mame/drivers/saitek_ssystem3.cpp')
-rw-r--r-- | src/mame/drivers/saitek_ssystem3.cpp | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/src/mame/drivers/saitek_ssystem3.cpp b/src/mame/drivers/saitek_ssystem3.cpp new file mode 100644 index 00000000000..3f17aed354d --- /dev/null +++ b/src/mame/drivers/saitek_ssystem3.cpp @@ -0,0 +1,162 @@ +// license:BSD-3-Clause +// copyright-holders:hap +// thanks-to:Berger +/****************************************************************************** + +TODO: +- WIP + +******************************************************************************/ + +#include "emu.h" +#include "cpu/m6502/m6502.h" +#include "machine/6522via.h" +#include "machine/nvram.h" +#include "machine/timer.h" +#include "sound/dac.h" +#include "sound/volt_reg.h" +#include "video/pwm.h" + +#include "screen.h" +#include "speaker.h" + +// internal artwork +//#include "saitek_ssystem3.lh" // clickable + + +namespace { + +class ssystem3_state : public driver_device +{ +public: + ssystem3_state(const machine_config &mconfig, device_type type, const char *tag) : + driver_device(mconfig, type, tag), + m_maincpu(*this, "maincpu"), + m_display(*this, "display"), + m_dac(*this, "dac"), + m_inputs(*this, "IN.%u", 0) + { } + + // machine drivers + void ssystem3(machine_config &config); + +protected: + virtual void machine_start() override; + +private: + // devices/pointers + required_device<cpu_device> m_maincpu; + required_device<pwm_display_device> m_display; + optional_device<dac_bit_interface> m_dac; + required_ioport_array<4> m_inputs; + + // address maps + void main_map(address_map &map); + + // I/O handlers +}; + +void ssystem3_state::machine_start() +{ +} + + + +/****************************************************************************** + I/O +******************************************************************************/ + + + + +/****************************************************************************** + Address Maps +******************************************************************************/ + +void ssystem3_state::main_map(address_map &map) +{ + map(0x0000, 0x03ff).ram(); + map(0x6000, 0x600f).m("via", FUNC(via6522_device::map)); + map(0x8000, 0x9fff).rom().mirror(0x6000); +} + + + +/****************************************************************************** + Input Ports +******************************************************************************/ + +static INPUT_PORTS_START( ssystem3 ) + PORT_START("IN.0") + PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_1) + PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_2) + PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_3) + PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_4) + + PORT_START("IN.1") + PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_5) + PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_6) + PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_7) + PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_8) + + PORT_START("IN.2") + PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_Q) + PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_W) + PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_E) + PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_R) + + PORT_START("IN.3") + PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_T) + PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_Y) + PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_U) + PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_I) +INPUT_PORTS_END + + + +/****************************************************************************** + Machine Drivers +******************************************************************************/ + +void ssystem3_state::ssystem3(machine_config &config) +{ + /* basic machine hardware */ + M6502(config, m_maincpu, 4_MHz_XTAL / 2); + m_maincpu->set_addrmap(AS_PROGRAM, &ssystem3_state::main_map); + + VIA6522(config, "via", 4_MHz_XTAL / 2); + + //NVRAM(config, "nvram", nvram_device::DEFAULT_ALL_0); + + /* video hardware */ + PWM_DISPLAY(config, m_display).set_size(4, 4); + //config.set_default_layout(layout_saitek_ssystem3); + + /* sound hardware */ + SPEAKER(config, "speaker").front_center(); + DAC_1BIT(config, m_dac).add_route(ALL_OUTPUTS, "speaker", 0.25); + VOLTAGE_REGULATOR(config, "vref").add_route(0, "dac", 1.0, DAC_VREF_POS_INPUT); +} + + + +/****************************************************************************** + ROM Definitions +******************************************************************************/ + +ROM_START( ssystem3 ) + ROM_REGION( 0x10000, "maincpu", 0 ) + ROM_LOAD("c19081e_ss-3-lrom.u4", 0x8000, 0x1000, CRC(9ea46ed3) SHA1(34eef85b356efbea6ddac1d1705b104fc8e2731a) ) // 2332 + ROM_LOAD("c19082_ss-3-hrom.u5", 0x9000, 0x1000, CRC(52741e0b) SHA1(2a7b950f9810c5a14a1b9d5e6b2bd93da621662e) ) // " +ROM_END + +} // anonymous namespace + + + +/****************************************************************************** + Drivers +******************************************************************************/ + +// YEAR NAME PARENT CMP MACHINE INPUT STATE INIT COMPANY, FULLNAME, FLAGS +CONS( 1979, ssystem3, 0, 0, ssystem3, ssystem3, ssystem3_state, empty_init, "SciSys / Novag", "Chess Champion: Super System III", MACHINE_SUPPORTS_SAVE | MACHINE_NOT_WORKING ) |