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Diffstat (limited to 'src/mame/drivers/avrmax.cpp')
-rw-r--r-- | src/mame/drivers/avrmax.cpp | 235 |
1 files changed, 0 insertions, 235 deletions
diff --git a/src/mame/drivers/avrmax.cpp b/src/mame/drivers/avrmax.cpp deleted file mode 100644 index 6895f7fcb6b..00000000000 --- a/src/mame/drivers/avrmax.cpp +++ /dev/null @@ -1,235 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:hap -/****************************************************************************** - -AVR-Max Chess Computer, aka "SHAH" -In Germany it was named AVR-Max-Schachzwerg - -The chess engine is H.G. Muller's micro-Max 4.8, ATMega88 port and prototype -hardware design by Andre Adrian. PCB finalization by Elektor, published in -Elektor magazine in 2009. - -FN 1 = new game, FN 2 = set level, FN 3 = principle variation. -Moves are confirmed by pressing GO twice. - -Hardware notes: -- PCB label 081101-1 (c)Elektor v1.4 -- Atmel ATMega88P-20PU @ ~8MHz, 8KB internal ROM -- 4-digit 7seg display, button panel, no sound - -TODO: -- AVR8 SLEEP opcode is not working, it's used for power-saving here and was - harmless to hack out, but needs to be put back when it's emulated -- add Elektor CC2 version with custom LCD screen - -******************************************************************************/ - -#include "emu.h" -#include "cpu/avr8/avr8.h" -#include "video/pwm.h" - -// internal artwork -#include "avrmax.lh" // clickable - - -namespace { - -class avrmax_state : public driver_device -{ -public: - avrmax_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_inputs(*this, "IN.%u", 0) - { } - - void avrmax(machine_config &config); - -protected: - virtual void machine_start() override; - -private: - // devices/pointers - required_device<avr8_device> m_maincpu; - required_device<pwm_display_device> m_display; - required_ioport_array<4> m_inputs; - - // address maps - void main_map(address_map &map); - void data_map(address_map &map); - void io_map(address_map &map); - - // I/O handlers - void update_display(); - void mux_w(u8 data); - void led_w(u8 data); - u8 input_r(); - - u8 m_inp_mux = 0; - u8 m_7seg_data = 0; -}; - -void avrmax_state::machine_start() -{ - // register for savestates - save_item(NAME(m_inp_mux)); - save_item(NAME(m_7seg_data)); -} - - - -/****************************************************************************** - I/O -******************************************************************************/ - -void avrmax_state::update_display() -{ - m_display->matrix(m_inp_mux, m_7seg_data); -} - -void avrmax_state::mux_w(u8 data) -{ - // PC0-PC3: input mux/digit select - m_inp_mux = ~data & 0xf; - update_display(); -} - -void avrmax_state::led_w(u8 data) -{ - // PD0-PD7: 7seg data - m_7seg_data = ~data; - update_display(); -} - -u8 avrmax_state::input_r() -{ - u8 data = 0; - - // PB0-PB2: multiplexed inputs - for (int i = 0; i < 4; i++) - if (BIT(m_inp_mux, i)) - data |= m_inputs[i]->read(); - - return ~data & 7; -} - - - -/****************************************************************************** - Address Maps -******************************************************************************/ - -void avrmax_state::main_map(address_map &map) -{ - map(0x0000, 0x1fff).rom(); -} - -void avrmax_state::data_map(address_map &map) -{ - map(0x0100, 0x04ff).ram(); -} - -void avrmax_state::io_map(address_map &map) -{ - map(AVR8_IO_PORTB, AVR8_IO_PORTB).r(FUNC(avrmax_state::input_r)); - map(AVR8_IO_PORTC, AVR8_IO_PORTC).w(FUNC(avrmax_state::mux_w)); - map(AVR8_IO_PORTD, AVR8_IO_PORTD).w(FUNC(avrmax_state::led_w)); -} - - - -/****************************************************************************** - Input Ports -******************************************************************************/ - -static INPUT_PORTS_START( avrmax ) - PORT_START("IN.0") - PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("A1") PORT_CODE(KEYCODE_A) PORT_CODE(KEYCODE_1) PORT_CODE(KEYCODE_1_PAD) - PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("E5") PORT_CODE(KEYCODE_E) PORT_CODE(KEYCODE_5) PORT_CODE(KEYCODE_5_PAD) - PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("FN") PORT_CODE(KEYCODE_N) - - PORT_START("IN.1") - PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("B2") PORT_CODE(KEYCODE_B) PORT_CODE(KEYCODE_2) PORT_CODE(KEYCODE_2_PAD) - PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("F6") PORT_CODE(KEYCODE_F) PORT_CODE(KEYCODE_6) PORT_CODE(KEYCODE_6_PAD) - PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("CL") PORT_CODE(KEYCODE_DEL) PORT_CODE(KEYCODE_BACKSPACE) - - PORT_START("IN.2") - PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("C3") PORT_CODE(KEYCODE_C) PORT_CODE(KEYCODE_3) PORT_CODE(KEYCODE_3_PAD) - PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("G7") PORT_CODE(KEYCODE_G) PORT_CODE(KEYCODE_7) PORT_CODE(KEYCODE_7_PAD) - PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("GO") PORT_CODE(KEYCODE_ENTER) PORT_CODE(KEYCODE_ENTER_PAD) - - PORT_START("IN.3") - PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("D4") PORT_CODE(KEYCODE_D) PORT_CODE(KEYCODE_4) PORT_CODE(KEYCODE_4_PAD) - PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_NAME("H8") PORT_CODE(KEYCODE_H) PORT_CODE(KEYCODE_8) PORT_CODE(KEYCODE_8_PAD) - PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_UNUSED) -INPUT_PORTS_END - - - -/****************************************************************************** - Machine Configs -******************************************************************************/ - -void avrmax_state::avrmax(machine_config &config) -{ - /* basic machine hardware */ - ATMEGA88(config, m_maincpu, 8000000); // internal R/C clock - m_maincpu->set_addrmap(AS_PROGRAM, &avrmax_state::main_map); - m_maincpu->set_addrmap(AS_DATA, &avrmax_state::data_map); - m_maincpu->set_addrmap(AS_IO, &avrmax_state::io_map); - m_maincpu->set_eeprom_tag("eeprom"); - - /* video hardware */ - PWM_DISPLAY(config, m_display).set_size(4, 8); - m_display->set_segmask(0xf, 0xff); - config.set_default_layout(layout_avrmax); -} - - - -/****************************************************************************** - ROM Definitions -******************************************************************************/ - -ROM_START( avrmax ) - ROM_REGION( 0x2000, "maincpu", 0 ) - ROM_LOAD( "elektor_081101-41.ic1", 0x0000, 0x2000, CRC(86d2a654) SHA1(3c235b8f6f735eaf408f54cbf44872166e7161d5) ) - - // HACK: changed SLEEP to NOP - ROM_FILL( 0x025c, 2, 0x00 ) - ROM_FILL( 0x0f8e, 2, 0x00 ) - ROM_FILL( 0x0fde, 2, 0x00 ) - ROM_FILL( 0x1020, 2, 0x00 ) - ROM_FILL( 0x1060, 2, 0x00 ) - ROM_FILL( 0x129a, 2, 0x00 ) - - ROM_REGION( 0x200, "eeprom", ROMREGION_ERASE00 ) -ROM_END - -ROM_START( avrmaxg ) - ROM_REGION( 0x2000, "maincpu", 0 ) - ROM_LOAD( "elektor_081101-41_d.ic1", 0x0000, 0x2000, CRC(18ec7a56) SHA1(a018421aa0ad8cce3d852f7519dec3691f3c55a0) ) - - // HACK: changed SLEEP to NOP - ROM_FILL( 0x025c, 2, 0x00 ) - ROM_FILL( 0x0f8e, 2, 0x00 ) - ROM_FILL( 0x0fde, 2, 0x00 ) - ROM_FILL( 0x1020, 2, 0x00 ) - ROM_FILL( 0x1060, 2, 0x00 ) - ROM_FILL( 0x129a, 2, 0x00 ) - - ROM_REGION( 0x200, "eeprom", ROMREGION_ERASE00 ) -ROM_END - -} // anonymous namespace - - - -/****************************************************************************** - Drivers -******************************************************************************/ - -// YEAR NAME PARENT CMP MACHINE INPUT STATE INIT COMPANY, FULLNAME, FLAGS -CONS( 2009, avrmax, 0, 0, avrmax, avrmax, avrmax_state, empty_init, "Elektor", "AVR-Max Chess Computer (English)", MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK | MACHINE_NO_SOUND_HW ) -CONS( 2009, avrmaxg, avrmax, 0, avrmax, avrmax, avrmax_state, empty_init, "Elektor", "AVR-Max-Schachzwerg (German)", MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK | MACHINE_NO_SOUND_HW ) // German 'text' |