// license:BSD-3-Clause
// copyright-holders:hap
// thanks-to:Berger, yoyo_chessboard
/******************************************************************************
Fidelity Designer Display series, 6502 and 68000
(6502-based displayless Designer is in fidel_excel.cpp)
*******************************************************************************
Designer 2100 Display (model 6106) overview:
- 8KB RAM(MS6264L-10), 2*32KB ROM(27C256)
- WDC W65C02P-6 CPU, 6MHz XTAL
- 4-digit LCD panel
- PCB label 510.1130A01
Designer 2000 Display (model 6105): same hardware, no bookrom, 3MHz
*******************************************************************************
Designer Mach III Master 2265 (model 6113) overview:
- 80KB RAM(2*KM6264AL-10, 2*KM62256AP-10), 64KB ROM(2*WSI 27C256L-12)
- MC68HC000P12F CPU, 16MHz XTAL
- IRQ(IPL2) from 555 timer, 1.67ms low, 6us high
- PCB label 510.1134A02
ROM address/data lines are scrambled, presumed for easy placement on PCB and not
for obfuscation. I/O is nearly the same as Designer Display on 6502 hardware.
Designer Mach IV Master 2325 (model 6129) overview:
- 32KB(4*P5164-70) + 512KB(TC518512PL-80) RAM, 64KB ROM(TMS 27C512-120JL)
- MC68EC020RP25 CPU, 20MHz XTAL
- PCB label 510.1149A01
- It has a green "Shift" led instead of red, and ROM is not scrambled.
******************************************************************************/
#include "emu.h"
#include "cpu/m6502/r65c02.h"
#include "cpu/m6502/m65sc02.h"
#include "cpu/m68000/m68000.h"
#include "machine/sensorboard.h"
#include "machine/timer.h"
#include "sound/dac.h"
#include "sound/volt_reg.h"
#include "video/pwm.h"
#include "speaker.h"
// internal artwork
#include "fidel_desdis.lh" // clickable
#include "fidel_desdis_68kg.lh" // clickable
#include "fidel_desdis_68kr.lh" // clickable
namespace {
// Designer Display / shared
class desdis_state : public driver_device
{
public:
desdis_state(const machine_config &mconfig, device_type type, const char *tag) :
driver_device(mconfig, type, tag),
m_maincpu(*this, "maincpu"),
m_irq_on(*this, "irq_on"),
m_rombank(*this, "rombank"),
m_board(*this, "board"),
m_display(*this, "display"),
m_dac(*this, "dac"),
m_inputs(*this, "IN.0")
{ }
// machine configs
void fdes2000d(machine_config &config);
void fdes2100d(machine_config &config);
void init_fdes2100d();
protected:
virtual void machine_start() override;
// devices/pointers
required_device<cpu_device> m_maincpu;
required_device<timer_device> m_irq_on;
optional_memory_bank m_rombank;
required_device<sensorboard_device> m_board;
required_device<pwm_display_device> m_display;
required_device<dac_bit_interface> m_dac;
required_ioport m_inputs;
// address maps
void fdes2100d_map(address_map &map);
// periodic interrupts
template<int Line> TIMER_DEVICE_CALLBACK_MEMBER(irq_on) { m_maincpu->set_input_line(Line, ASSERT_LINE); }
template<int Line> TIMER_DEVICE_CALLBACK_MEMBER(irq_off) { m_maincpu->set_input_line(Line, CLEAR_LINE); }
// I/O handlers
void update_lcd();
virtual void control_w(offs_t offset, u8 data);
virtual void lcd_w(offs_t offset, u8 data);
virtual u8 input_r(offs_t offset);
u8 m_select = 0;
u32 m_lcd_data = 0;
};
void desdis_state::init_fdes2100d()
{
m_rombank->configure_entries(0, 2, memregion("rombank")->base(), 0x4000);
}
void desdis_state::machine_start()
{
// register for savestates
save_item(NAME(m_select));
save_item(NAME(m_lcd_data));
}
// Designer Master
class desmas_state : public desdis_state
{
public:
desmas_state(const machine_config &mconfig, device_type type, const char *tag) :
desdis_state(mconfig, type, tag)
{ }
// machine configs
void fdes2265(machine_config &config);
void fdes2325(machine_config &config);
void init_fdes2265();
private:
// address maps
void fdes2265_map(address_map &map);
void fdes2325_map(address_map &map);
// I/O handlers, slightly different (control_w is d0 instead of d7)
virtual void control_w(offs_t offset, u8 data) override { desdis_state::control_w(offset, data << 7); }
};
void desmas_state::init_fdes2265()
{
u16 *rom = (u16*)memregion("maincpu")->base();
const u32 len = memregion("maincpu")->bytes() / 2;
// descramble data lines
for (int i = 0; i < len; i++)
rom[i] = bitswap<16>(rom[i], 15,14,8,13,9,12,10,11, 3,4,5,7,6,0,1,2);
// descramble address lines
std::vector<u16> buf(len);
memcpy(&buf[0], rom, len*2);
for (int i = 0; i < len; i++)
rom[i] = buf[bitswap<24>(i, 23,22,21,20,19,18,17,16, 15,14,13,12,11,8,10,9, 7,6,5,4,3,2,1,0)];
}
/******************************************************************************
I/O
******************************************************************************/
// TTL/generic
void desdis_state::update_lcd()
{
u8 mask = (m_select & 8) ? 0 : 0xff;
for (int i = 0; i < 4; i++)
m_display->write_row(i+2, (m_lcd_data >> (8*i) & 0xff) ^ mask);
m_display->update();
}
void desdis_state::control_w(offs_t offset, u8 data)
{
// a0-a2,d7: 74259
u8 mask = 1 << offset;
m_select = (m_select & ~mask) | ((data & 0x80) ? mask : 0);
// 74259 Q4-Q7: 7442 a0-a3
// 7442 0-8: led data, input mux
u16 sel = 1 << (m_select >> 4 & 0xf);
u16 led_data = sel & 0x1ff;
// 7442 9: speaker out
m_dac->write(BIT(sel, 9));
// 74259 Q0,Q1: led select (active low)
m_display->matrix_partial(0, 2, ~m_select & 3, led_data, false);
// 74259 Q2: book rom A14
if (m_rombank != nullptr)
m_rombank->set_entry(~m_select >> 2 & 1);
// 74259 Q3: lcd polarity
update_lcd();
}
void desdis_state::lcd_w(offs_t offset, u8 data)
{
// a0-a2,d0-d3: 4*74259 to lcd digit segments
u32 mask = bitswap<8>(1 << offset,3,7,6,0,1,2,4,5);
for (int i = 0; i < 4; i++)
{
m_lcd_data = (m_lcd_data & ~mask) | ((data >> i & 1) ? 0 : mask);
mask <<= 8;
}
update_lcd();
}
u8 desdis_state::input_r(offs_t offset)
{
u8 sel = m_select >> 4 & 0xf;
u8 data = 0;
// a0-a2,d7: multiplexed inputs (active low)
// read chessboard sensors
if (sel < 8)
data = m_board->read_rank(sel ^ 7, true);
// read button panel
else if (sel == 8)
data = m_inputs->read();
return (data >> offset & 1) ? 0 : 0x80;
}
/******************************************************************************
Address Maps
******************************************************************************/
void desdis_state::fdes2100d_map(address_map &map)
{
map(0x0000, 0x1fff).ram();
map(0x2000, 0x2007).mirror(0x1ff8).rw(FUNC(desdis_state::input_r), FUNC(desdis_state::control_w));
map(0x4000, 0x7fff).bankr("rombank");
map(0x6000, 0x6007).mirror(0x1ff8).w(FUNC(desdis_state::lcd_w));
map(0x8000, 0xffff).rom();
}
void desmas_state::fdes2265_map(address_map &map)
{
map.unmap_value_high();
map(0x000000, 0x00ffff).rom();
map(0x000000, 0x00000f).w(FUNC(desmas_state::lcd_w)).umask16(0x00ff);
map(0x044000, 0x047fff).ram();
map(0x100000, 0x10ffff).ram();
map(0x140000, 0x14000f).r(FUNC(desmas_state::input_r)).umask16(0xff00);
map(0x140000, 0x14000f).w(FUNC(desmas_state::control_w)).umask16(0x00ff);
}
void desmas_state::fdes2325_map(address_map &map)
{
map.unmap_value_high();
map(0x000000, 0x00ffff).rom();
map(0x100000, 0x10000f).w(FUNC(desmas_state::lcd_w)).umask32(0x00ff00ff);
map(0x140000, 0x14000f).w(FUNC(desmas_state::control_w)).umask32(0x00ff00ff);
map(0x180000, 0x18000f).r(FUNC(desmas_state::input_r)).umask32(0xff00ff00);
map(0x300000, 0x37ffff).ram();
map(0x500000, 0x507fff).ram();
}
/******************************************************************************
Input Ports
******************************************************************************/
static INPUT_PORTS_START( desdis )
PORT_START("IN.0")
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_DEL) PORT_NAME("Clear")
PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_H) PORT_NAME("Move / Alternate")
PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_G) PORT_NAME("Hint / Info")
PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_F) PORT_NAME("Take Back / Replay")
PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_C) PORT_NAME("Level / New")
PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_B) PORT_NAME("Option / Time")
PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_A) PORT_NAME("Verify / Problem")
PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_S) PORT_NAME("Shift")
INPUT_PORTS_END
/******************************************************************************
Machine Configs
******************************************************************************/
void desdis_state::fdes2100d(machine_config &config)
{
/* basic machine hardware */
M65C02(config, m_maincpu, 6_MHz_XTAL); // W65C02P-6
m_maincpu->set_addrmap(AS_PROGRAM, &desdis_state::fdes2100d_map);
const attotime irq_period = attotime::from_hz(600); // from 556 timer (22nF, 102K, 1K), ideal frequency is 600Hz
TIMER(config, m_irq_on).configure_periodic(FUNC(desdis_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(desdis_state::irq_off<M6502_IRQ_LINE>), irq_period);
SENSORBOARD(config, m_board).set_type(sensorboard_device::BUTTONS);
m_board->init_cb().set(m_board, FUNC(sensorboard_device::preset_chess));
m_board->set_delay(attotime::from_msec(150));
/* video hardware */
PWM_DISPLAY(config, m_display).set_size(2+4, 9);
m_display->set_segmask(0x3c, 0x7f);
config.set_default_layout(layout_fidel_desdis);
/* 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);
}
void desdis_state::fdes2000d(machine_config &config)
{
fdes2100d(config);
/* basic machine hardware */
R65C02(config.replace(), m_maincpu, 3_MHz_XTAL); // R65C02P3
m_maincpu->set_addrmap(AS_PROGRAM, &desdis_state::fdes2100d_map);
}
void desmas_state::fdes2265(machine_config &config)
{
fdes2100d(config);
/* basic machine hardware */
M68000(config.replace(), m_maincpu, 16_MHz_XTAL); // MC68HC000P12F
m_maincpu->set_addrmap(AS_PROGRAM, &desmas_state::fdes2265_map);
const attotime irq_period = attotime::from_hz(600); // from 555 timer, ideal frequency is 600Hz (measured 597Hz)
TIMER(config.replace(), m_irq_on).configure_periodic(FUNC(desmas_state::irq_on<M68K_IRQ_4>), irq_period);
m_irq_on->set_start_delay(irq_period - attotime::from_usec(6)); // active for 6us
TIMER(config.replace(), "irq_off").configure_periodic(FUNC(desmas_state::irq_off<M68K_IRQ_4>), irq_period);
config.set_default_layout(layout_fidel_desdis_68kr);
}
void desmas_state::fdes2325(machine_config &config)
{
fdes2265(config);
/* basic machine hardware */
M68EC020(config.replace(), m_maincpu, 20_MHz_XTAL); // MC68EC020RP25
m_maincpu->set_addrmap(AS_PROGRAM, &desmas_state::fdes2325_map);
config.set_default_layout(layout_fidel_desdis_68kg);
}
/******************************************************************************
ROM Definitions
******************************************************************************/
ROM_START( fdes2100d ) // model 6106, PCB label 510.1130A01 - this dump came from a post-release bugfix by Fidelity
ROM_REGION( 0x10000, "maincpu", 0 )
ROM_LOAD("i9_orange.ic9", 0x8000, 0x8000, CRC(83fec02a) SHA1(6f43ab05bc605061989b05d0592dbd184efff9d4) ) // WSI 27C256L-12
ROM_REGION( 0x8000, "rombank", 0 )
ROM_LOAD("bk3_white.ic10", 0x0000, 0x8000, CRC(3857cc35) SHA1(f073dafb9fd885c7ddb7fbff10e3653f343ef1c6) ) // WSI 27C256L-12
ROM_END
ROM_START( fdes2000d ) // model 6105, PCB label 510.1130A01
ROM_REGION( 0x10000, "maincpu", 0 )
ROM_LOAD("27c256.ic9", 0x8000, 0x8000, CRC(b136d1a1) SHA1(8438790a62f45284ff33a0255c5c89f526726d3e) ) // 27C256, no label
ROM_REGION( 0x8000, "rombank", ROMREGION_ERASEFF ) // no rom in ic10
ROM_END
ROM_START( fdes2265 ) // model 6113, PCB label 510.1134A02
ROM_REGION16_BE( 0x10000, "maincpu", 0 )
ROM_LOAD16_BYTE("13e_red.ic11", 0x00000, 0x08000, CRC(15a35628) SHA1(8213862e129951c6943a80f73cd0b63a31bb1357) ) // 27c256
ROM_LOAD16_BYTE("13o_blue.ic10", 0x00001, 0x08000, CRC(81ce7ab2) SHA1(f01a70bcf2fbfe66c7a77d3c4437d897e5cc682d) ) // "
ROM_END
ROM_START( fdes2325 ) // model 6129, PCB label 510.1149A01
ROM_REGION( 0x10000, "maincpu", 0 )
ROM_LOAD("61_29_white.ic10", 0x00000, 0x10000, CRC(f74157e1) SHA1(87f3f2d584e292f81593e053240d022cc477834d) ) // 27c512
ROM_REGION( 0x100, "pals", 0 )
ROM_LOAD("101-1097a01.ic19", 0x000, 0x100, NO_DUMP ) // PALCE16V8Q-25PC
ROM_END
} // anonymous namespace
/******************************************************************************
Drivers
******************************************************************************/
// YEAR NAME PARENT CMP MACHINE INPUT STATE INIT COMPANY, FULLNAME, FLAGS
CONS( 1988, fdes2100d, 0, 0, fdes2100d, desdis, desdis_state, init_fdes2100d, "Fidelity Electronics", "Designer 2100 Display", MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK )
CONS( 1988, fdes2000d, fdes2100d, 0, fdes2000d, desdis, desdis_state, init_fdes2100d, "Fidelity Electronics", "Designer 2000 Display", MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK )
CONS( 1989, fdes2265, 0, 0, fdes2265, desdis, desmas_state, init_fdes2265, "Fidelity Electronics", "Designer Mach III Master 2265", MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK )
CONS( 1991, fdes2325, fdes2265, 0, fdes2325, desdis, desmas_state, empty_init, "Fidelity Electronics", "Designer Mach IV 68020 Master 2325", MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK )