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7bfe316fd4
mame/src/mame/drivers/novag68k.cpp
David Haywood 7bfe316fd4 stronger private: use (N, O, P, Q, R) (#3717) 
* private N,O (nw)

* P + Q (nw)

* R (nt)
2018-06-30 21:34:14 -04:00

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// license:BSD-3-Clause
// copyright-holders:hap
// thanks-to:yoyo_chessboard
/******************************************************************************
Novag generic 68000 based chess computer driver
NOTE: MAME doesn't include a generalized implementation for boardpieces yet,
greatly affecting user playability of emulated electronic board games.
As workaround for the chess games, use an external chess GUI on the side,
such as Arena(in editmode).
TODO:
- RS232 port
******************************************************************************
Diablo 68000:
- M68000 @ 16MHz, IPL1 256Hz, IPL2 from ACIA IRQ(always high)
- 2*8KB RAM TC5565 battery-backed, 2*32KB hashtable RAM TC55257 3*32KB ROM
- HD44780 LCD controller (16x1)
- R65C51P2 ACIA @ 1.8432MHz, RS232
- magnetic sensors, 8*8 chessboard leds
Scorpio 68000 hardware is very similar, but with chessboard buttons and side leds.
******************************************************************************/
#include "emu.h"
#include "includes/novagbase.h"
#include "cpu/m68000/m68000.h"
#include "machine/mos6551.h"
#include "machine/nvram.h"
#include "screen.h"
#include "speaker.h"
// internal artwork
#include "novag_diablo68k.lh" // clickable
#include "novag_scorpio68k.lh" // clickable
class novag68k_state : public novagbase_state
{
public:
novag68k_state(const machine_config &mconfig, device_type type, const char *tag)
: novagbase_state(mconfig, type, tag)
{ }
void diablo68k(machine_config &config);
void scorpio68k(machine_config &config);
private:
TIMER_DEVICE_CALLBACK_MEMBER(irq_on) { m_maincpu->set_input_line(M68K_IRQ_2, ASSERT_LINE); }
TIMER_DEVICE_CALLBACK_MEMBER(irq_off) { m_maincpu->set_input_line(M68K_IRQ_2, CLEAR_LINE); }
// Diablo 68000
DECLARE_WRITE8_MEMBER(diablo68k_control_w);
DECLARE_WRITE8_MEMBER(diablo68k_lcd_data_w);
DECLARE_WRITE8_MEMBER(diablo68k_leds_w);
DECLARE_READ8_MEMBER(diablo68k_input1_r);
DECLARE_READ8_MEMBER(diablo68k_input2_r);
void diablo68k_map(address_map &map);
// Scorpio 68000
DECLARE_WRITE8_MEMBER(scorpio68k_control_w);
void scorpio68k_map(address_map &map);
};
// Devices, I/O
/******************************************************************************
Diablo 68000
******************************************************************************/
// TTL
WRITE8_MEMBER(novag68k_state::diablo68k_control_w)
{
// d0: HD44780 E
// d1: HD44780 RS
if (m_lcd_control & ~data & 1)
m_lcd->write(space, m_lcd_control >> 1 & 1, m_lcd_data);
m_lcd_control = data & 3;
// d7: enable beeper
m_beeper->set_state(data >> 7 & 1);
// d4-d6: input mux, led select
m_inp_mux = 1 << (data >> 4 & 0x7) & 0xff;
display_matrix(8, 8, m_led_data, m_inp_mux);
m_led_data = 0; // ?
}
WRITE8_MEMBER(novag68k_state::diablo68k_lcd_data_w)
{
// d0-d7: HD44780 data
m_lcd_data = data;
}
WRITE8_MEMBER(novag68k_state::diablo68k_leds_w)
{
// d0-d7: chessboard leds
m_led_data = data;
}
READ8_MEMBER(novag68k_state::diablo68k_input1_r)
{
// d0-d7: multiplexed inputs (chessboard squares)
return ~read_inputs(8) & 0xff;
}
READ8_MEMBER(novag68k_state::diablo68k_input2_r)
{
// d0-d2: multiplexed inputs (side panel)
// other: ?
return ~read_inputs(8) >> 8 & 7;
}
/******************************************************************************
Scorpio 68000
******************************************************************************/
WRITE8_MEMBER(novag68k_state::scorpio68k_control_w)
{
// d0: HD44780 E
// d1: HD44780 RS
if (m_lcd_control & ~data & 1)
m_lcd->write(space, m_lcd_control >> 1 & 1, m_lcd_data);
m_lcd_control = data & 3;
// d7: enable beeper
m_beeper->set_state(data >> 7 & 1);
// d4-d6: input mux, led select
// d2,d3: led data
m_inp_mux = 1 << (data >> 4 & 0x7) & 0xff;
display_matrix(2, 8, ~data >> 2 & 3, m_inp_mux);
}
/******************************************************************************
Address Maps
******************************************************************************/
// Diablo 68000 / Scorpio 68000
void novag68k_state::diablo68k_map(address_map &map)
{
map(0x000000, 0x00ffff).rom();
map(0x200000, 0x20ffff).rom().region("maincpu", 0x10000);
map(0x280000, 0x28ffff).ram();
map(0x300000, 0x300007).rw("acia", FUNC(mos6551_device::read), FUNC(mos6551_device::write)).umask16(0xff00);
map(0x380000, 0x380001).nopr();
map(0x380000, 0x380000).w(FUNC(novag68k_state::diablo68k_leds_w));
map(0x3a0000, 0x3a0000).w(FUNC(novag68k_state::diablo68k_lcd_data_w));
map(0x3c0000, 0x3c0000).rw(FUNC(novag68k_state::diablo68k_input2_r), FUNC(novag68k_state::diablo68k_control_w));
map(0x3e0000, 0x3e0000).r(FUNC(novag68k_state::diablo68k_input1_r));
map(0xff8000, 0xffbfff).ram().share("nvram");
}
void novag68k_state::scorpio68k_map(address_map &map)
{
diablo68k_map(map);
map(0x380000, 0x380000).w(FUNC(novag68k_state::scorpio68k_control_w));
map(0x3c0000, 0x3c0001).nopw();
}
/******************************************************************************
Input Ports
******************************************************************************/
static INPUT_PORTS_START( diablo68k_sidepanel )
PORT_MODIFY("IN.0")
PORT_BIT(0x100, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_A) PORT_NAME("Go")
PORT_BIT(0x200, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_Q) PORT_NAME("Take Back / Analyze Games")
PORT_BIT(0x400, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_1) PORT_NAME("->")
PORT_MODIFY("IN.1")
PORT_BIT(0x100, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_S) PORT_NAME("Set Level")
PORT_BIT(0x200, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_W) PORT_NAME("Flip Display / Time Control")
PORT_BIT(0x400, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_2) PORT_NAME("<-")
PORT_MODIFY("IN.2")
PORT_BIT(0x100, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_D) PORT_NAME("Hint / Next Best")
PORT_BIT(0x200, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_E) PORT_NAME("Priority / Tournament Book / Pawn")
PORT_BIT(0x400, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_3) PORT_NAME("Yes/Start / Start of Game")
PORT_MODIFY("IN.3")
PORT_BIT(0x100, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_F) PORT_NAME("Trace Forward / AutoPlay")
PORT_BIT(0x200, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_R) PORT_NAME("Pro-Op / Restore Game / Rook")
PORT_BIT(0x400, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_4) PORT_NAME("No/End / End of Game")
PORT_MODIFY("IN.4")
PORT_BIT(0x100, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_G) PORT_NAME("Clear Board / Delete Pro-Op")
PORT_BIT(0x200, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_T) PORT_NAME("Best Move/Random / Review / Knight")
PORT_BIT(0x400, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_5) PORT_NAME("Print Book / Store Game")
PORT_MODIFY("IN.5")
PORT_BIT(0x100, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_H) PORT_NAME("Change Color")
PORT_BIT(0x200, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_Y) PORT_NAME("Sound / Info / Bishop")
PORT_BIT(0x400, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_6) PORT_NAME("Print Moves / Print Evaluations")
PORT_MODIFY("IN.6")
PORT_BIT(0x100, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_J) PORT_NAME("Verify/Set Up / Pro-Op Book/Both Books")
PORT_BIT(0x200, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_U) PORT_NAME("Solve Mate / Infinite / Queen")
PORT_BIT(0x400, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_7) PORT_NAME("Print List / Acc. Time")
PORT_MODIFY("IN.7")
PORT_BIT(0x100, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_K) PORT_NAME("New Game")
PORT_BIT(0x200, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_I) PORT_NAME("Player/Player / Gambit Book / King")
PORT_BIT(0x400, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_8) PORT_NAME("Print Board / Interface")
INPUT_PORTS_END
static INPUT_PORTS_START( diablo68k )
PORT_INCLUDE( novag_cb_magnets )
PORT_INCLUDE( diablo68k_sidepanel )
INPUT_PORTS_END
static INPUT_PORTS_START( scorpio68k )
PORT_INCLUDE( novag_cb_buttons )
PORT_INCLUDE( diablo68k_sidepanel )
INPUT_PORTS_END
/******************************************************************************
Machine Drivers
******************************************************************************/
MACHINE_CONFIG_START(novag68k_state::diablo68k)
/* basic machine hardware */
MCFG_DEVICE_ADD("maincpu", M68000, 16_MHz_XTAL)
MCFG_DEVICE_PROGRAM_MAP(diablo68k_map)
MCFG_TIMER_DRIVER_ADD_PERIODIC("irq_on", novag68k_state, irq_on, attotime::from_hz(32.768_kHz_XTAL/128)) // 256Hz
MCFG_TIMER_START_DELAY(attotime::from_hz(32.768_kHz_XTAL/128) - attotime::from_nsec(1100)) // active for 1.1us
MCFG_TIMER_DRIVER_ADD_PERIODIC("irq_off", novag68k_state, irq_off, attotime::from_hz(32.768_kHz_XTAL/128))
MCFG_DEVICE_ADD("acia", MOS6551, 0)
MCFG_MOS6551_XTAL(1.8432_MHz_XTAL)
MCFG_NVRAM_ADD_0FILL("nvram")
/* video hardware */
MCFG_SCREEN_ADD("screen", LCD)
MCFG_SCREEN_REFRESH_RATE(60) // arbitrary
MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500))
MCFG_SCREEN_SIZE(6*16+1, 10)
MCFG_SCREEN_VISIBLE_AREA(0, 6*16, 0, 10-1)
MCFG_SCREEN_UPDATE_DEVICE("hd44780", hd44780_device, screen_update)
MCFG_SCREEN_PALETTE("palette")
MCFG_PALETTE_ADD("palette", 3)
MCFG_PALETTE_INIT_OWNER(novagbase_state, novag_lcd)
MCFG_HD44780_ADD("hd44780")
MCFG_HD44780_LCD_SIZE(2, 8)
MCFG_HD44780_PIXEL_UPDATE_CB(novagbase_state, novag_lcd_pixel_update)
MCFG_TIMER_DRIVER_ADD_PERIODIC("display_decay", novagbase_state, display_decay_tick, attotime::from_msec(1))
MCFG_DEFAULT_LAYOUT(layout_novag_diablo68k)
/* sound hardware */
SPEAKER(config, "mono").front_center();
MCFG_DEVICE_ADD("beeper", BEEP, 32.768_kHz_XTAL/32) // 1024Hz
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25)
MACHINE_CONFIG_END
MACHINE_CONFIG_START(novag68k_state::scorpio68k)
diablo68k(config);
/* basic machine hardware */
MCFG_DEVICE_MODIFY("maincpu")
MCFG_DEVICE_PROGRAM_MAP(scorpio68k_map)
MCFG_DEFAULT_LAYOUT(layout_novag_scorpio68k)
MACHINE_CONFIG_END
/******************************************************************************
ROM Definitions
******************************************************************************/
ROM_START( diablo68 )
ROM_REGION16_BE( 0x20000, "maincpu", ROMREGION_ERASE00 )
ROM_LOAD16_BYTE("evenurom.bin", 0x00000, 0x8000, CRC(03477746) SHA1(8bffcb159a61e59bfc45411e319aea6501ebe2f9) )
ROM_LOAD16_BYTE("oddlrom.bin", 0x00001, 0x8000, CRC(e182dbdd) SHA1(24dacbef2173fa737636e4729ff22ec1e6623ca5) )
ROM_LOAD16_BYTE("book.bin", 0x10000, 0x8000, CRC(553a5c8c) SHA1(ccb5460ff10766a5ca8008ae2cffcff794318108) ) // no odd rom
ROM_END
ROM_START( scorpio68 )
ROM_REGION16_BE( 0x20000, "maincpu", ROMREGION_ERASE00 )
ROM_LOAD16_BYTE("s_evn_904.u3", 0x00000, 0x8000, CRC(a8f63245) SHA1(0ffdc6eb8ecad730440b0bfb2620fb00820e1aea) )
ROM_LOAD16_BYTE("s_odd_c18.u2", 0x00001, 0x8000, CRC(4f033319) SHA1(fce228b1705b7156d4d01ef92b22a875d0f6f321) )
ROM_LOAD16_BYTE("502.u4", 0x10000, 0x8000, CRC(553a5c8c) SHA1(ccb5460ff10766a5ca8008ae2cffcff794318108) ) // no odd rom
ROM_END
/******************************************************************************
Drivers
******************************************************************************/
// YEAR NAME PARENT CMP MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS
CONS( 1991, diablo68, 0, 0, diablo68k, diablo68k, novag68k_state, empty_init, "Novag", "Diablo 68000", MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK | MACHINE_IMPERFECT_CONTROLS )
CONS( 1991, scorpio68, 0, 0, scorpio68k, scorpio68k, novag68k_state, empty_init, "Novag", "Scorpio 68000", MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK | MACHINE_IMPERFECT_CONTROLS )
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