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author Vas Crabb <vas@vastheman.com>2019-03-26 11:13:37 +1100
committer Vas Crabb <vas@vastheman.com>2019-03-26 11:13:37 +1100
commit97b67170277437131adf6ed4d60139c172529e4f (patch)
tree7a5cbf608f191075f1612b1af15832c206a3fe2d /src/mame/drivers/fidel_as12.cpp
parentb380514764cf857469bae61c11143a19f79a74c5 (diff)
(nw) Clean up the mess on master
This effectively reverts b380514764cf857469bae61c11143a19f79a74c5 and c24473ddff715ecec2e258a6eb38960cf8c8e98e, restoring the state at 598cd5227223c3b04ca31f0dbc1981256d9ea3ff. Before pushing, please check that what you're about to push is sane. Check your local commit log and ensure there isn't anything out-of-place before pushing to mainline. When things like this happen, it wastes everyone's time. I really don't need this in a week when real work™ is busting my balls and I'm behind where I want to be with preparing for MAME release.
Diffstat (limited to 'src/mame/drivers/fidel_as12.cpp')
-rw-r--r--src/mame/drivers/fidel_as12.cpp192
1 files changed, 192 insertions, 0 deletions
diff --git a/src/mame/drivers/fidel_as12.cpp b/src/mame/drivers/fidel_as12.cpp
new file mode 100644
index 00000000000..9b27dc53940
--- /dev/null
+++ b/src/mame/drivers/fidel_as12.cpp
@@ -0,0 +1,192 @@
+// license:BSD-3-Clause
+// copyright-holders:hap
+// thanks-to:yoyo_chessboard
+/******************************************************************************
+*
+* fidel_as12.cpp, subdriver of machine/fidelbase.cpp, machine/chessbase.cpp
+
+*******************************************************************************
+
+Fidelity Elegance Chess Challenger (AS12) overview:
+- R65C02P4 CPU @ 4MHz
+- 3*8KB ROM(TMM2764), 2*2KB RAM(HM6116)
+- PCB label 510-1084B01
+
+This is on the SC12B board, with enough modifications to support more leds and
+magnetic chess board sensors. See fidel_sc12.cpp for a more technical description.
+
+******************************************************************************/
+
+#include "emu.h"
+#include "includes/fidelbase.h"
+
+#include "cpu/m6502/r65c02.h"
+#include "sound/volt_reg.h"
+#include "speaker.h"
+
+// internal artwork
+#include "fidel_as12.lh" // clickable
+
+
+namespace {
+
+class as12_state : public fidelbase_state
+{
+public:
+ as12_state(const machine_config &mconfig, device_type type, const char *tag) :
+ fidelbase_state(mconfig, type, tag)
+ { }
+
+ // machine drivers
+ void as12(machine_config &config);
+
+private:
+ // address maps
+ void main_map(address_map &map);
+
+ // I/O handlers
+ void prepare_display();
+ DECLARE_WRITE8_MEMBER(control_w);
+ DECLARE_WRITE8_MEMBER(led_w);
+ DECLARE_READ8_MEMBER(input_r);
+};
+
+
+/******************************************************************************
+ Devices, I/O
+******************************************************************************/
+
+// TTL/generic
+
+void as12_state::prepare_display()
+{
+ // 8*8(+1) chessboard leds
+ display_matrix(8, 9, m_led_data, m_inp_mux);
+}
+
+WRITE8_MEMBER(as12_state::control_w)
+{
+ // d0-d3: 74245 P0-P3
+ // 74245 Q0-Q8: input mux, led select
+ u16 sel = 1 << (data & 0xf) & 0x3ff;
+ m_inp_mux = bitswap<9>(sel,5,8,7,6,4,3,1,0,2);
+ prepare_display();
+
+ // 74245 Q9: speaker out
+ m_dac->write(BIT(sel, 9));
+
+ // d4,d5: printer?
+ // d6,d7: N/C?
+}
+
+WRITE8_MEMBER(as12_state::led_w)
+{
+ // a0-a2,d0: led data via NE591N
+ m_led_data = (data & 1) << offset;
+ prepare_display();
+}
+
+READ8_MEMBER(as12_state::input_r)
+{
+ // a0-a2,d7: multiplexed inputs (active low)
+ u8 inp = bitswap<8>(read_inputs(9),4,3,2,1,0,5,6,7);
+ return (inp >> offset & 1) ? 0 : 0x80;
+}
+
+
+
+/******************************************************************************
+ Address Maps
+******************************************************************************/
+
+void as12_state::main_map(address_map &map)
+{
+ map.unmap_value_high();
+ map(0x0000, 0x0fff).ram();
+ map(0x1800, 0x1807).w(FUNC(as12_state::led_w)).nopr();
+ map(0x2000, 0x5fff).r(FUNC(as12_state::cartridge_r));
+ map(0x6000, 0x6000).mirror(0x1fff).w(FUNC(as12_state::control_w));
+ map(0x8000, 0x9fff).rom();
+ map(0xa000, 0xa007).mirror(0x1ff8).r(FUNC(as12_state::input_r));
+ map(0xc000, 0xffff).rom();
+}
+
+
+
+/******************************************************************************
+ Input Ports
+******************************************************************************/
+
+static INPUT_PORTS_START( as12 )
+ PORT_INCLUDE( fidel_cpu_div_4 )
+ PORT_INCLUDE( generic_cb_magnets )
+
+ PORT_START("IN.8")
+ PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_1) PORT_CODE(KEYCODE_1_PAD) PORT_NAME("RV / Pawn")
+ PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_2) PORT_CODE(KEYCODE_2_PAD) PORT_NAME("DM / Knight")
+ PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_3) PORT_CODE(KEYCODE_3_PAD) PORT_NAME("TB / Bishop")
+ PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_4) PORT_CODE(KEYCODE_4_PAD) PORT_NAME("LV / Rook")
+ PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_5) PORT_CODE(KEYCODE_5_PAD) PORT_NAME("PV / Queen")
+ PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_6) PORT_CODE(KEYCODE_6_PAD) PORT_NAME("PB / King")
+ PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_DEL) PORT_NAME("CL")
+ PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_R) PORT_NAME("RE")
+INPUT_PORTS_END
+
+
+
+/******************************************************************************
+ Machine Drivers
+******************************************************************************/
+
+void as12_state::as12(machine_config &config)
+{
+ /* basic machine hardware */
+ R65C02(config, m_maincpu, 4_MHz_XTAL); // R65C02P4
+ m_maincpu->set_addrmap(AS_PROGRAM, &as12_state::div_trampoline);
+ ADDRESS_MAP_BANK(config, m_mainmap).set_map(&as12_state::main_map).set_options(ENDIANNESS_LITTLE, 8, 16);
+
+ TIMER(config, "dummy_timer").configure_periodic(timer_device::expired_delegate(), attotime::from_hz(4_MHz_XTAL));
+
+ const attotime irq_period = attotime::from_hz(585); // from 556 timer (22nF, 110K, 1K)
+ TIMER(config, m_irq_on).configure_periodic(FUNC(as12_state::irq_on<M6502_IRQ_LINE>), irq_period);
+ m_irq_on->set_start_delay(irq_period - attotime::from_nsec(15250)); // active for 15.25us
+ TIMER(config, "irq_off").configure_periodic(FUNC(as12_state::irq_off<M6502_IRQ_LINE>), irq_period);
+
+ TIMER(config, "display_decay").configure_periodic(FUNC(as12_state::display_decay_tick), attotime::from_msec(1));
+ config.set_default_layout(layout_fidel_as12);
+
+ /* 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, "fidel_scc", "bin,dat");
+ m_cart->set_device_load(device_image_load_delegate(&as12_state::device_image_load_scc_cartridge, this));
+
+ SOFTWARE_LIST(config, "cart_list").set_original("fidel_scc");
+}
+
+
+
+/******************************************************************************
+ ROM Definitions
+******************************************************************************/
+
+ROM_START( feleg ) // model AS12(or 6085)
+ ROM_REGION( 0x10000, "mainmap", 0 )
+ ROM_LOAD("feleg.1", 0x8000, 0x2000, CRC(e9df31e8) SHA1(31c52bb8f75580c82093eb950959c1bc294189a8) ) // TMM2764, no label
+ ROM_LOAD("feleg.2", 0xc000, 0x2000, CRC(bed9c84b) SHA1(c12f39765b054d2ad81f747e698715ad4246806d) ) // "
+ ROM_LOAD("feleg.3", 0xe000, 0x2000, CRC(b1fb49aa) SHA1(d8c9687dd564f0fa603e6d684effb1d113ac64b4) ) // "
+ROM_END
+
+} // anonymous namespace
+
+
+
+/******************************************************************************
+ Drivers
+******************************************************************************/
+
+// YEAR NAME PARENT CMP MACHINE INPUT STATE INIT COMPANY, FULLNAME, FLAGS
+CONS( 1985, feleg, 0, 0, as12, as12, as12_state, empty_init, "Fidelity Electronics", "Elegance Chess Challenger", MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK | MACHINE_IMPERFECT_CONTROLS | MACHINE_IMPERFECT_TIMING )