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Diffstat (limited to 'src/mame/drivers/aci_ggm.cpp')
-rw-r--r--src/mame/drivers/aci_ggm.cpp479
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diff --git a/src/mame/drivers/aci_ggm.cpp b/src/mame/drivers/aci_ggm.cpp
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@@ -1,479 +0,0 @@
-// license:BSD-3-Clause
-// copyright-holders:hap
-// thanks-to:bataais
-/******************************************************************************
-
-Applied Concepts Great Game Machine (GGM), electronic board game computer.
-2nd source distribution: Modular Game System (MGS), by Chafitz.
-
-Hardware notes:
-- 6502A 2MHz (unknown XTAL, label "5-80"), SYP6522 VIA
-- 2KB RAM(4*HM472114AP-2), no ROM on main PCB
-- 2*74164 shift register, 3*6118P VFD driver
-- 8-digit 14seg VFD panel (same one as in Speak & Spell)
-- 5*4 keypad(unlabeled by default), 1-bit sound
-
-Games are on separate cartridges, each came with a keypad overlay.
-There were also some standalone machines, eg. Morphy Encore, Odin Encore.
-
-Known chess cartridges (*denotes not dumped):
-- Chess/Boris 2.5 (aka Sargon 2.5)
-- *Gruenfeld Edition - Master Chess Openings
-- *Morphy Edition - Master Chess
-- *Capablanca Edition - Master Chess Endgame
-- Sandy Edition - Master Chess (German language version of Morphy)
-- Steinitz Edition-4 - Master Chess
-- *Monitor Edition - Master Kriegspiel
-
-The opening/endgame cartridges are meant to be ejected/inserted while
-playing (put the power switch in "MEM" first).
-
-Other games:
-- *Borchek Edition - Master Checkers
-- *Odin Edition - Master Reversi
-- *Las Vegas 21
-- *Wits End (unreleased?)
-- *Lunar Lander (unreleased?)
-
-TODO:
-- what's VIA PB0 for? game toggles it once per irq
-- identify XTAL (2MHz CPU/VIA is correct, compared to video reference)
-- confirm display AP segment, is it used anywhere?
-- verify cartridge pinout, right now assume A0-A15 (max known cart size is 24KB).
- Boris/Sargon cartridge is A0-A11 and 2 CS lines, Steinitz uses the whole range.
-- (probably won't) add chesspieces to artwork? this machine supports more board
- games than just chess: checkers, reversi, and even a blackjack game
-
-******************************************************************************/
-
-#include "emu.h"
-#include "cpu/m6502/m6502.h"
-#include "machine/6522via.h"
-#include "machine/nvram.h"
-#include "machine/timer.h"
-#include "video/pwm.h"
-#include "sound/dac.h"
-#include "sound/volt_reg.h"
-#include "bus/generic/slot.h"
-#include "bus/generic/carts.h"
-
-#include "speaker.h"
-#include "softlist.h"
-
-// internal artwork
-#include "aci_ggm.lh" // clickable
-
-
-namespace {
-
-class ggm_state : public driver_device
-{
-public:
- ggm_state(const machine_config &mconfig, device_type type, const char *tag) :
- driver_device(mconfig, type, tag),
- m_maincpu(*this, "maincpu"),
- m_via(*this, "via"),
- m_display(*this, "display"),
- m_dac(*this, "dac"),
- m_cart(*this, "cartslot"),
- m_ca1_off(*this, "ca1_off"),
- m_inputs(*this, "IN.%u", 0)
- { }
-
- void ggm(machine_config &config);
-
- DECLARE_INPUT_CHANGED_MEMBER(reset_switch) { update_reset(newval); }
- DECLARE_CUSTOM_INPUT_MEMBER(overlay_r) { u8 data = m_inputs[5]->read(); return (data == 0xf) ? m_overlay : data; }
-
-protected:
- virtual void machine_start() override;
- virtual void machine_reset() override;
-
-private:
- // devices/pointers
- required_device<cpu_device> m_maincpu;
- required_device<via6522_device> m_via;
- required_device<pwm_display_device> m_display;
- required_device<dac_bit_interface> m_dac;
- required_device<generic_slot_device> m_cart;
- required_device<timer_device> m_ca1_off;
- required_ioport_array<4+3> m_inputs;
-
- void main_map(address_map &map);
-
- void update_reset(ioport_value state);
- void update_display();
- TIMER_DEVICE_CALLBACK_MEMBER(ca1_off) { m_via->write_ca1(0); }
-
- DECLARE_DEVICE_IMAGE_LOAD_MEMBER(cartridge);
- DECLARE_READ8_MEMBER(cartridge_r);
-
- DECLARE_WRITE8_MEMBER(select_w);
- DECLARE_WRITE8_MEMBER(control_w);
- DECLARE_READ8_MEMBER(input_r);
-
- DECLARE_WRITE_LINE_MEMBER(shift_clock_w);
- DECLARE_WRITE_LINE_MEMBER(shift_data_w);
-
- u8 m_inp_mux;
- u16 m_digit_data;
- u8 m_shift_data;
- u8 m_shift_clock;
- u32 m_cart_mask;
- u8 m_overlay;
-};
-
-void ggm_state::machine_start()
-{
- // zerofill
- m_inp_mux = 0;
- m_digit_data = 0;
- m_shift_data = 0;
- m_shift_clock = 0;
-
- // register for savestates
- save_item(NAME(m_inp_mux));
- save_item(NAME(m_digit_data));
- save_item(NAME(m_shift_data));
- save_item(NAME(m_shift_clock));
-}
-
-void ggm_state::machine_reset()
-{
- // it determines whether it's a cold boot or warm boot ("MEM" switch), with CA1
- if (~m_inputs[4]->read() & 2)
- {
- m_via->write_ca1(1);
- m_ca1_off->adjust(attotime::from_msec(10));
- }
- else
- update_reset(1);
-}
-
-void ggm_state::update_reset(ioport_value state)
-{
- // assume that the MEM switch puts the system in reset state (just like Boris)
- m_maincpu->set_input_line(INPUT_LINE_RESET, state ? ASSERT_LINE : CLEAR_LINE);
-
- if (state)
- {
- m_via->reset();
- m_display->clear();
- }
-}
-
-
-
-/******************************************************************************
- I/O
-******************************************************************************/
-
-// cartridge
-
-DEVICE_IMAGE_LOAD_MEMBER(ggm_state::cartridge)
-{
- u32 size = m_cart->common_get_size("rom");
- m_cart_mask = ((1 << (31 - count_leading_zeros(size))) - 1) & 0xffff;
-
- m_cart->rom_alloc(size, GENERIC_ROM8_WIDTH, ENDIANNESS_LITTLE);
- m_cart->common_load_rom(m_cart->get_rom_base(), size, "rom");
-
- // keypad overlay
- std::string overlay(image.get_feature("overlay"));
- m_overlay = std::stoul(overlay, nullptr, 0) & 0xf;
-
- // extra ram (optional)
- if (image.get_feature("ram"))
- m_maincpu->space(AS_PROGRAM).install_ram(0x0800, 0x0fff, nullptr);
-
- return image_init_result::PASS;
-}
-
-READ8_MEMBER(ggm_state::cartridge_r)
-{
- return m_cart->read_rom(offset & m_cart_mask);
-}
-
-
-// 6522 ports
-
-void ggm_state::update_display()
-{
- u16 data = bitswap<16>(m_digit_data,15,7,2,11,10,3,1,9,6,14,12,5,0,4,13,8);
- m_display->matrix(m_inp_mux, data);
-}
-
-WRITE_LINE_MEMBER(ggm_state::shift_clock_w)
-{
- // shift display segment data on rising edge
- if (state && !m_shift_clock)
- {
- m_digit_data = m_digit_data << 1 | (m_shift_data & 1);
- update_display();
- }
-
- m_shift_clock = state;
-}
-
-WRITE_LINE_MEMBER(ggm_state::shift_data_w)
-{
- m_shift_data = state;
-}
-
-WRITE8_MEMBER(ggm_state::select_w)
-{
- // PA0-PA7: input mux, digit select
- m_inp_mux = data;
- update_display();
-}
-
-WRITE8_MEMBER(ggm_state::control_w)
-{
- // PB0: ?
-
- // PB7: speaker out
- m_dac->write(BIT(data, 7));
-}
-
-READ8_MEMBER(ggm_state::input_r)
-{
- u8 data = 0;
-
- // PB1-PB5: multiplexed inputs
- for (int i = 0; i < 4; i++)
- if (BIT(m_inp_mux, i))
- data |= m_inputs[i]->read();
-
- data = ~data << 1 & 0x3e;
-
- // PB6: hardware version
- return 0x81 | data | (m_inputs[4]->read() << 6 & 0x40);
-}
-
-
-
-/******************************************************************************
- Address Maps
-******************************************************************************/
-
-void ggm_state::main_map(address_map &map)
-{
- // external slot has potential bus conflict with RAM/VIA
- map(0x0000, 0xffff).r(FUNC(ggm_state::cartridge_r));
- map(0x0000, 0x07ff).ram().share("nvram");
- map(0x8000, 0x800f).m(m_via, FUNC(via6522_device::map));
-}
-
-
-
-/******************************************************************************
- Input Ports
-******************************************************************************/
-
-#define OVERLAY(val) \
- PORT_CONDITION("IN.6", 0x0f, EQUALS, val)
-
-static INPUT_PORTS_START( overlay_boris ) // actually most of the Chess games have a similar overlay
- PORT_MODIFY("IN.0")
- PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) OVERLAY(0x01) PORT_CODE(KEYCODE_0) PORT_CODE(KEYCODE_0_PAD) PORT_NAME("0")
- PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) OVERLAY(0x01) PORT_CODE(KEYCODE_A) PORT_CODE(KEYCODE_1) PORT_CODE(KEYCODE_1_PAD) PORT_NAME("A.1 / Pawn")
- PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) OVERLAY(0x01) PORT_CODE(KEYCODE_B) PORT_CODE(KEYCODE_2) PORT_CODE(KEYCODE_2_PAD) PORT_NAME("B.2 / Knight")
- PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) OVERLAY(0x01) PORT_CODE(KEYCODE_C) PORT_CODE(KEYCODE_3) PORT_CODE(KEYCODE_3_PAD) PORT_NAME("C.3 / Bishop")
- PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYPAD) OVERLAY(0x01) PORT_CODE(KEYCODE_D) PORT_CODE(KEYCODE_4) PORT_CODE(KEYCODE_4_PAD) PORT_NAME("D.4 / Rook")
-
- PORT_MODIFY("IN.1")
- PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) OVERLAY(0x01) PORT_CODE(KEYCODE_E) PORT_CODE(KEYCODE_5) PORT_CODE(KEYCODE_5_PAD) PORT_NAME("E.5 / Queen")
- PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) OVERLAY(0x01) PORT_CODE(KEYCODE_F) PORT_CODE(KEYCODE_6) PORT_CODE(KEYCODE_6_PAD) PORT_NAME("F.6 / King")
- PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) OVERLAY(0x01) PORT_CODE(KEYCODE_G) PORT_CODE(KEYCODE_7) PORT_CODE(KEYCODE_7_PAD) PORT_NAME("G.7")
- PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) OVERLAY(0x01) PORT_CODE(KEYCODE_H) PORT_CODE(KEYCODE_8) PORT_CODE(KEYCODE_8_PAD) PORT_NAME("H.8")
- PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYPAD) OVERLAY(0x01) PORT_CODE(KEYCODE_9) PORT_CODE(KEYCODE_9_PAD) PORT_NAME("9")
-
- PORT_MODIFY("IN.2")
- PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) OVERLAY(0x01) PORT_CODE(KEYCODE_SPACE) PORT_CODE(KEYCODE_MINUS) PORT_NAME("-")
- PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) OVERLAY(0x01) PORT_CODE(KEYCODE_W) PORT_NAME("B/W")
- PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) OVERLAY(0x01) PORT_CODE(KEYCODE_K) PORT_NAME("Rank")
- PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) OVERLAY(0x01) PORT_CODE(KEYCODE_T) PORT_NAME("Time")
- PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYPAD) OVERLAY(0x01) PORT_CODE(KEYCODE_DEL) PORT_CODE(KEYCODE_BACKSPACE) PORT_NAME("CE")
-
- PORT_MODIFY("IN.3")
- PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) OVERLAY(0x01) PORT_CODE(KEYCODE_L) PORT_NAME("Level")
- PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) OVERLAY(0x01) PORT_CODE(KEYCODE_I) PORT_NAME("Halt / Hint")
- PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) OVERLAY(0x01) PORT_CODE(KEYCODE_S) PORT_NAME("Best")
- PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) OVERLAY(0x01) PORT_CODE(KEYCODE_R) PORT_NAME("Restore")
- PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYPAD) OVERLAY(0x01) PORT_CODE(KEYCODE_ENTER) PORT_CODE(KEYCODE_ENTER_PAD) PORT_NAME("Enter")
-INPUT_PORTS_END
-
-static INPUT_PORTS_START( overlay_morphy ) // only changed "9" to "Audio"
- PORT_MODIFY("IN.0")
- PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) OVERLAY(0x02) PORT_CODE(KEYCODE_0) PORT_CODE(KEYCODE_0_PAD) PORT_NAME("0")
- PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) OVERLAY(0x02) PORT_CODE(KEYCODE_A) PORT_CODE(KEYCODE_1) PORT_CODE(KEYCODE_1_PAD) PORT_NAME("A.1 / Pawn")
- PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) OVERLAY(0x02) PORT_CODE(KEYCODE_B) PORT_CODE(KEYCODE_2) PORT_CODE(KEYCODE_2_PAD) PORT_NAME("B.2 / Knight")
- PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) OVERLAY(0x02) PORT_CODE(KEYCODE_C) PORT_CODE(KEYCODE_3) PORT_CODE(KEYCODE_3_PAD) PORT_NAME("C.3 / Bishop")
- PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYPAD) OVERLAY(0x02) PORT_CODE(KEYCODE_D) PORT_CODE(KEYCODE_4) PORT_CODE(KEYCODE_4_PAD) PORT_NAME("D.4 / Rook")
-
- PORT_MODIFY("IN.1")
- PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) OVERLAY(0x02) PORT_CODE(KEYCODE_E) PORT_CODE(KEYCODE_5) PORT_CODE(KEYCODE_5_PAD) PORT_NAME("E.5 / Queen")
- PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) OVERLAY(0x02) PORT_CODE(KEYCODE_F) PORT_CODE(KEYCODE_6) PORT_CODE(KEYCODE_6_PAD) PORT_NAME("F.6 / King")
- PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) OVERLAY(0x02) PORT_CODE(KEYCODE_G) PORT_CODE(KEYCODE_7) PORT_CODE(KEYCODE_7_PAD) PORT_NAME("G.7")
- PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) OVERLAY(0x02) PORT_CODE(KEYCODE_H) PORT_CODE(KEYCODE_8) PORT_CODE(KEYCODE_8_PAD) PORT_NAME("H.8")
- PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYPAD) OVERLAY(0x02) PORT_CODE(KEYCODE_U) PORT_NAME("Audio")
-
- PORT_MODIFY("IN.2")
- PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) OVERLAY(0x02) PORT_CODE(KEYCODE_SPACE) PORT_CODE(KEYCODE_MINUS) PORT_NAME("-")
- PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) OVERLAY(0x02) PORT_CODE(KEYCODE_W) PORT_NAME("B/W")
- PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) OVERLAY(0x02) PORT_CODE(KEYCODE_K) PORT_NAME("Rank")
- PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) OVERLAY(0x02) PORT_CODE(KEYCODE_T) PORT_NAME("Time")
- PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYPAD) OVERLAY(0x02) PORT_CODE(KEYCODE_DEL) PORT_CODE(KEYCODE_BACKSPACE) PORT_NAME("CE")
-
- PORT_MODIFY("IN.3")
- PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) OVERLAY(0x02) PORT_CODE(KEYCODE_L) PORT_NAME("Level")
- PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) OVERLAY(0x02) PORT_CODE(KEYCODE_I) PORT_NAME("Halt / Hint")
- PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) OVERLAY(0x02) PORT_CODE(KEYCODE_S) PORT_NAME("Best")
- PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) OVERLAY(0x02) PORT_CODE(KEYCODE_R) PORT_NAME("Restore")
- PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYPAD) OVERLAY(0x02) PORT_CODE(KEYCODE_ENTER) PORT_CODE(KEYCODE_ENTER_PAD) PORT_NAME("Enter")
-INPUT_PORTS_END
-
-static INPUT_PORTS_START( overlay_steinitz )
- PORT_MODIFY("IN.0")
- PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) OVERLAY(0x03) PORT_CODE(KEYCODE_0) PORT_CODE(KEYCODE_0_PAD) PORT_CODE(KEYCODE_Y) PORT_NAME("Display / 0")
- PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) OVERLAY(0x03) PORT_CODE(KEYCODE_A) PORT_CODE(KEYCODE_1) PORT_CODE(KEYCODE_1_PAD) PORT_NAME("A.1 / Pawn")
- PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) OVERLAY(0x03) PORT_CODE(KEYCODE_B) PORT_CODE(KEYCODE_2) PORT_CODE(KEYCODE_2_PAD) PORT_NAME("B.2 / Knight")
- PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) OVERLAY(0x03) PORT_CODE(KEYCODE_C) PORT_CODE(KEYCODE_3) PORT_CODE(KEYCODE_3_PAD) PORT_NAME("C.3 / Bishop")
- PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYPAD) OVERLAY(0x03) PORT_CODE(KEYCODE_D) PORT_CODE(KEYCODE_4) PORT_CODE(KEYCODE_4_PAD) PORT_NAME("D.4 / Rook")
-
- PORT_MODIFY("IN.1")
- PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) OVERLAY(0x03) PORT_CODE(KEYCODE_E) PORT_CODE(KEYCODE_5) PORT_CODE(KEYCODE_5_PAD) PORT_NAME("E.5 / Queen")
- PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) OVERLAY(0x03) PORT_CODE(KEYCODE_F) PORT_CODE(KEYCODE_6) PORT_CODE(KEYCODE_6_PAD) PORT_NAME("F.6 / King")
- PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) OVERLAY(0x03) PORT_CODE(KEYCODE_G) PORT_CODE(KEYCODE_7) PORT_CODE(KEYCODE_7_PAD) PORT_NAME("G.7")
- PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) OVERLAY(0x03) PORT_CODE(KEYCODE_H) PORT_CODE(KEYCODE_8) PORT_CODE(KEYCODE_8_PAD) PORT_NAME("H.8")
- PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYPAD) OVERLAY(0x03) PORT_CODE(KEYCODE_9) PORT_CODE(KEYCODE_9_PAD) PORT_CODE(KEYCODE_U) PORT_NAME("Audio / 9")
-
- PORT_MODIFY("IN.2")
- PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) OVERLAY(0x03) PORT_CODE(KEYCODE_V) PORT_CODE(KEYCODE_LEFT) PORT_CODE(KEYCODE_RIGHT) PORT_NAME("Review / Left / Right")
- PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) OVERLAY(0x03) PORT_CODE(KEYCODE_W) PORT_NAME("B/W")
- PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) OVERLAY(0x03) PORT_CODE(KEYCODE_K) PORT_NAME("Rank")
- PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) OVERLAY(0x03) PORT_CODE(KEYCODE_T) PORT_NAME("Time / Change")
- PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYPAD) OVERLAY(0x03) PORT_CODE(KEYCODE_DEL) PORT_CODE(KEYCODE_BACKSPACE) PORT_NAME("CE")
-
- PORT_MODIFY("IN.3")
- PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) OVERLAY(0x03) PORT_CODE(KEYCODE_L) PORT_NAME("Level")
- PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) OVERLAY(0x03) PORT_CODE(KEYCODE_I) PORT_NAME("Halt / Hint / Look")
- PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) OVERLAY(0x03) PORT_CODE(KEYCODE_S) PORT_NAME("Best / Score")
- PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) OVERLAY(0x03) PORT_CODE(KEYCODE_R) PORT_NAME("Restore / Timing")
- PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYPAD) OVERLAY(0x03) PORT_CODE(KEYCODE_ENTER) PORT_CODE(KEYCODE_ENTER_PAD) PORT_NAME("Enter")
-INPUT_PORTS_END
-
-static INPUT_PORTS_START( ggm )
- PORT_START("IN.0")
- PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) OVERLAY(0x00) PORT_CODE(KEYCODE_X) PORT_NAME("Keypad 4-2")
- PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) OVERLAY(0x00) PORT_CODE(KEYCODE_S) PORT_NAME("Keypad 3-2")
- PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) OVERLAY(0x00) PORT_CODE(KEYCODE_D) PORT_NAME("Keypad 3-3")
- PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) OVERLAY(0x00) PORT_CODE(KEYCODE_F) PORT_NAME("Keypad 3-4")
- PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYPAD) OVERLAY(0x00) PORT_CODE(KEYCODE_W) PORT_NAME("Keypad 2-2")
-
- PORT_START("IN.1")
- PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) OVERLAY(0x00) PORT_CODE(KEYCODE_E) PORT_NAME("Keypad 2-3")
- PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) OVERLAY(0x00) PORT_CODE(KEYCODE_R) PORT_NAME("Keypad 2-4")
- PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) OVERLAY(0x00) PORT_CODE(KEYCODE_2) PORT_NAME("Keypad 1-2")
- PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) OVERLAY(0x00) PORT_CODE(KEYCODE_3) PORT_NAME("Keypad 1-3")
- PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYPAD) OVERLAY(0x00) PORT_CODE(KEYCODE_4) PORT_NAME("Keypad 1-4")
-
- PORT_START("IN.2")
- PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) OVERLAY(0x00) PORT_CODE(KEYCODE_C) PORT_NAME("Keypad 4-3")
- PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) OVERLAY(0x00) PORT_CODE(KEYCODE_V) PORT_NAME("Keypad 4-4")
- PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) OVERLAY(0x00) PORT_CODE(KEYCODE_G) PORT_NAME("Keypad 3-5")
- PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) OVERLAY(0x00) PORT_CODE(KEYCODE_T) PORT_NAME("Keypad 2-5")
- PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYPAD) OVERLAY(0x00) PORT_CODE(KEYCODE_5) PORT_NAME("Keypad 1-5")
-
- PORT_START("IN.3")
- PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) OVERLAY(0x00) PORT_CODE(KEYCODE_Z) PORT_NAME("Keypad 4-1")
- PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) OVERLAY(0x00) PORT_CODE(KEYCODE_Q) PORT_NAME("Keypad 2-1")
- PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) OVERLAY(0x00) PORT_CODE(KEYCODE_A) PORT_NAME("Keypad 3-1")
- PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) OVERLAY(0x00) PORT_CODE(KEYCODE_1) PORT_NAME("Keypad 1-1")
- PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYPAD) OVERLAY(0x00) PORT_CODE(KEYCODE_B) PORT_NAME("Keypad 4-5")
-
- PORT_INCLUDE( overlay_boris )
- PORT_INCLUDE( overlay_morphy )
- PORT_INCLUDE( overlay_steinitz )
-
- PORT_START("IN.4")
- PORT_CONFNAME( 0x01, 0x00, "Version" ) // factory-set
- PORT_CONFSETTING( 0x00, "GGS (Applied Concepts)" )
- PORT_CONFSETTING( 0x01, "MGS (Chafitz)" )
- PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_OTHER) PORT_CODE(KEYCODE_F1) PORT_TOGGLE PORT_CHANGED_MEMBER(DEVICE_SELF, ggm_state, reset_switch, 0) PORT_NAME("Memory Switch")
-
- PORT_START("IN.5")
- PORT_CONFNAME( 0x0f, 0x0f, "Keypad Overlay" )
- PORT_CONFSETTING( 0x00, "None" )
- PORT_CONFSETTING( 0x0f, "Auto" ) // get param from softwarelist
- PORT_CONFSETTING( 0x01, "Boris 2.5" )
- PORT_CONFSETTING( 0x02, "Morphy" )
- PORT_CONFSETTING( 0x03, "Steinitz" )
-
- PORT_START("IN.6")
- PORT_BIT(0x0f, IP_ACTIVE_HIGH, IPT_CUSTOM) PORT_CUSTOM_MEMBER(ggm_state, overlay_r)
-INPUT_PORTS_END
-
-
-
-/******************************************************************************
- Machine Configs
-******************************************************************************/
-
-void ggm_state::ggm(machine_config &config)
-{
- /* basic machine hardware */
- M6502(config, m_maincpu, 2000000);
- m_maincpu->set_addrmap(AS_PROGRAM, &ggm_state::main_map);
-
- VIA6522(config, m_via, 2000000); // DDRA = 0xff, DDRB = 0x81
- m_via->writepa_handler().set(FUNC(ggm_state::select_w));
- m_via->writepb_handler().set(FUNC(ggm_state::control_w));
- m_via->readpb_handler().set(FUNC(ggm_state::input_r));
- m_via->irq_handler().set_inputline(m_maincpu, M6502_IRQ_LINE);
- m_via->cb1_handler().set(FUNC(ggm_state::shift_clock_w));
- m_via->cb2_handler().set(FUNC(ggm_state::shift_data_w));
- TIMER(config, m_ca1_off).configure_generic(FUNC(ggm_state::ca1_off));
-
- NVRAM(config, "nvram", nvram_device::DEFAULT_ALL_0);
-
- /* video hardware */
- PWM_DISPLAY(config, m_display).set_size(8, 16);
- m_display->set_segmask(0xff, 0x3fff);
- m_display->set_bri_levels(0.05);
- config.set_default_layout(layout_aci_ggm);
-
- /* 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, "ggm", "bin");
- m_cart->set_device_load(FUNC(ggm_state::cartridge));
- m_cart->set_must_be_loaded(true);
-
- SOFTWARE_LIST(config, "cart_list").set_original("ggm");
-}
-
-
-
-/******************************************************************************
- ROM Definitions
-******************************************************************************/
-
-ROM_START( ggm )
- ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASE00 )
- // nothing here, ROM is on cartridge
-ROM_END
-
-} // anonymous namespace
-
-
-
-/******************************************************************************
- Drivers
-******************************************************************************/
-
-// YEAR NAME PARENT CMP MACHINE INPUT CLASS INIT COMPANY, FULLNAME, FLAGS
-CONS( 1980, ggm, 0, 0, ggm, ggm, ggm_state, empty_init, "Applied Concepts", "Great Game Machine", MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK )