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Diffstat (limited to 'src/mame/drivers/ave_arb.cpp')
-rw-r--r-- | src/mame/drivers/ave_arb.cpp | 255 |
1 files changed, 0 insertions, 255 deletions
diff --git a/src/mame/drivers/ave_arb.cpp b/src/mame/drivers/ave_arb.cpp deleted file mode 100644 index 3ca879b461f..00000000000 --- a/src/mame/drivers/ave_arb.cpp +++ /dev/null @@ -1,255 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:hap -// thanks-to:Berger -/****************************************************************************** -* -* ave_arb.cpp, subdriver of machine/chessbase.cpp - -AVE Micro Systems ARB chess computer driver, in some regions redistributed -by Chafitz, and in Germany by Sandy Electronic. - -******************************************************************************* - -Auto Response Board (ARB) overview: -- R6502P CPU @ 2MHz(4MHz XTAL), R6522P VIA -- 2KB RAM(4*2114), cartridge port -- magnetic chessboard, 8*8+12 leds -- PCB label AV001C01 REV A - -The electronic magnetic chessboard is the first of is kind. AVE later licensed -it to Fidelity (see fidel_elite.cpp). -ARB is a romless system, the program ROM is on a cartridge. - -Known modules (*denotes not dumped yet): -- Sargon 2.5 -- *Grand Master Series 3 -- *Grand Master Series 3.5 -- *Grand Master Series 4.0 - -Newer modules included button label stickers for OPTIONS, Verify, Take Back, Clear. - -******************************************************************************/ - -#include "emu.h" -#include "includes/chessbase.h" - -#include "cpu/m6502/m6502.h" -#include "machine/6522via.h" -#include "machine/nvram.h" -#include "sound/dac.h" -#include "sound/volt_reg.h" -#include "speaker.h" -#include "bus/generic/slot.h" -#include "bus/generic/carts.h" -#include "softlist.h" - -// internal artwork -#include "ave_arb.lh" // clickable - - -namespace { - -class arb_state : public chessbase_state -{ -public: - arb_state(const machine_config &mconfig, device_type type, const char *tag) : - chessbase_state(mconfig, type, tag), - m_maincpu(*this, "maincpu"), - m_via(*this, "via"), - m_dac(*this, "dac"), - m_cart(*this, "cartslot") - { } - - // halt button is tied to NMI, reset button to RESET(but only if halt button is held) - void update_reset() { m_maincpu->set_input_line(INPUT_LINE_RESET, (m_inp_matrix[9]->read() == 3) ? ASSERT_LINE : CLEAR_LINE); } - DECLARE_INPUT_CHANGED_MEMBER(reset_button) { update_reset(); } - DECLARE_INPUT_CHANGED_MEMBER(halt_button) { m_maincpu->set_input_line(M6502_NMI_LINE, newval ? ASSERT_LINE : CLEAR_LINE); update_reset(); } - - // machine drivers - void arb(machine_config &config); - -private: - // devices/pointers - required_device<cpu_device> m_maincpu; - required_device<via6522_device> m_via; - required_device<dac_bit_interface> m_dac; - required_device<generic_slot_device> m_cart; - - // address maps - void main_map(address_map &map); - - // cartridge - DECLARE_DEVICE_IMAGE_LOAD_MEMBER(cartridge); - DECLARE_READ8_MEMBER(cartridge_r); - u32 m_cart_mask; - - // I/O handlers - void prepare_display(); - DECLARE_WRITE8_MEMBER(leds_w); - DECLARE_WRITE8_MEMBER(control_w); - DECLARE_READ8_MEMBER(input_r); -}; - - -/****************************************************************************** - Devices, I/O -******************************************************************************/ - -// cartridge - -DEVICE_IMAGE_LOAD_MEMBER(arb_state, cartridge) -{ - u32 size = m_cart->common_get_size("rom"); - m_cart_mask = ((1 << (31 - count_leading_zeros(size))) - 1) & 0x7fff; - - m_cart->rom_alloc(size, GENERIC_ROM8_WIDTH, ENDIANNESS_LITTLE); - m_cart->common_load_rom(m_cart->get_rom_base(), size, "rom"); - - // extra ram (optional) - if (image.get_feature("ram")) - m_maincpu->space(AS_PROGRAM).install_ram(0x0800, 0x0fff, 0x1000, nullptr); - - return image_init_result::PASS; -} - -READ8_MEMBER(arb_state::cartridge_r) -{ - return m_cart->read_rom(offset & m_cart_mask); -} - - -// R6522 ports - -void arb_state::prepare_display() -{ - // 12 led column data lines via 3 7475 - u16 mask = 0; - mask |= (m_led_select & 1) ? 0xf00 : 0; - mask |= (m_led_select & 2) ? 0x0ff : 0; - - m_led_data = (m_led_data & ~mask) | ((m_led_latch << 8 | m_led_latch) & mask); - display_matrix(12, 9+1, m_led_data, m_inp_mux | 0x200); -} - -WRITE8_MEMBER(arb_state::leds_w) -{ - // PA0-PA7: led latch input - m_led_latch = ~data & 0xff; - prepare_display(); -} - -WRITE8_MEMBER(arb_state::control_w) -{ - // PB0-PB3: 74145 A-D - // 74145 0-8: input mux, led row select - m_inp_mux = 1 << (data & 0xf) & 0x1ff; - - // PB4,PB5: led group select - m_led_select = data >> 4 & 3; - prepare_display(); - - // PB7: speaker out - m_dac->write(BIT(data, 7)); -} - -READ8_MEMBER(arb_state::input_r) -{ - // PA0-PA7: multiplexed inputs - return ~read_inputs(9); -} - - - -/****************************************************************************** - Address Maps -******************************************************************************/ - -void arb_state::main_map(address_map &map) -{ - // external slot is A0-A14, potential bus conflict with RAM/VIA - map(0x0000, 0x7fff).mirror(0x8000).r(FUNC(arb_state::cartridge_r)); - map(0x0000, 0x07ff).mirror(0x1000).ram().share("nvram"); - map(0x8000, 0x800f).mirror(0x1ff0).rw(m_via, FUNC(via6522_device::read), FUNC(via6522_device::write)); -} - - - -/****************************************************************************** - Input Ports -******************************************************************************/ - -static INPUT_PORTS_START( arb ) - PORT_INCLUDE( generic_cb_magnets ) - - PORT_START("IN.8") - PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_H) PORT_CODE(KEYCODE_7) PORT_NAME("Hint / Black") - PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_V) PORT_CODE(KEYCODE_6) PORT_NAME("Variable / Clear / White / 6") - PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_M) PORT_CODE(KEYCODE_5) PORT_NAME("Monitor / Take Back / King / 5") - PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_S) PORT_CODE(KEYCODE_4) PORT_NAME("Self Play / Verify / Queen / 4") - PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_B) PORT_CODE(KEYCODE_3) PORT_NAME("Change Board / Rook / 3") - PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_C) PORT_CODE(KEYCODE_2) PORT_NAME("Change Color / Bishop / 2") - PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_L) PORT_CODE(KEYCODE_1) PORT_NAME("Change Level / Knight / 1") - PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_N) PORT_CODE(KEYCODE_0) PORT_NAME("New Game / Options / Pawn / 0") - - PORT_START("IN.9") - PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_CODE(KEYCODE_R) PORT_CODE(KEYCODE_F2) PORT_NAME("Reset") PORT_CHANGED_MEMBER(DEVICE_SELF, arb_state, reset_button, nullptr) - PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_CODE(KEYCODE_T) PORT_CODE(KEYCODE_F2) PORT_NAME("Halt") PORT_CHANGED_MEMBER(DEVICE_SELF, arb_state, halt_button, nullptr) -INPUT_PORTS_END - - - -/****************************************************************************** - Machine Drivers -******************************************************************************/ - -void arb_state::arb(machine_config &config) -{ - /* basic machine hardware */ - M6502(config, m_maincpu, 4_MHz_XTAL/2); - m_maincpu->set_addrmap(AS_PROGRAM, &arb_state::main_map); - - VIA6522(config, m_via, 4_MHz_XTAL/4); - m_via->writepa_handler().set(FUNC(arb_state::leds_w)); - m_via->writepb_handler().set(FUNC(arb_state::control_w)); - m_via->readpa_handler().set(FUNC(arb_state::input_r)); - m_via->irq_handler().set_inputline(m_maincpu, M6502_IRQ_LINE); - - NVRAM(config, "nvram", nvram_device::DEFAULT_ALL_0); - - TIMER(config, "display_decay").configure_periodic(FUNC(arb_state::display_decay_tick), attotime::from_msec(1)); - config.set_default_layout(layout_ave_arb); - - /* 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); - - /* cartridge */ - GENERIC_CARTSLOT(config, m_cart, generic_plain_slot, "arb", "bin"); - m_cart->set_device_load(device_image_load_delegate(&arb_state::device_image_load_cartridge, this)); - m_cart->set_must_be_loaded(true); - - SOFTWARE_LIST(config, "cart_list").set_original("arb"); -} - - - -/****************************************************************************** - ROM Definitions -******************************************************************************/ - -ROM_START( arb ) - ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASE00 ) - // none here, it's in the module slot -ROM_END - -} // anonymous namespace - - - -/****************************************************************************** - Drivers -******************************************************************************/ - -/* YEAR NAME PARENT CMP MACHINE INPUT CLASS INIT COMPANY, FULLNAME, FLAGS */ -CONS( 1980, arb, 0, 0, arb, arb, arb_state, empty_init, "AVE Micro Systems", "Auto Response Board", MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK | MACHINE_IMPERFECT_CONTROLS ) |