/******************************************************************************
Novag SuperConstellation Chess Computer
2010 R. Schaefer
CPU 6502
Clock 4 MHz
IRQ CLK 600 Hz
RAM 0x0000, 0x0fff)
ROM 0x2000, 0xffff)
I/O 0x1c00 Unknown
0x1d00 Unknown
0x1e00 LED's and buttons
0x1f00 LED's, buttons and buzzer
******************************************************************************/
#include "emu.h"
#include "cpu/m6502/m6502.h"
#include "sound/beep.h"
#include "supercon.lh"
class supercon_state : public driver_device
{
public:
supercon_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_maincpu(*this, "maincpu"),
m_beep(*this, "beeper"),
m_b_white(*this, "B_WHITE"),
m_b_black(*this, "B_BLACK"),
m_b_clr(*this, "B_CLR"),
m_status_1(*this, "STATUS_1"),
m_status_2(*this, "STATUS_2"),
m_status_3(*this, "STATUS_3"),
m_status_4(*this, "STATUS_4"),
m_status_5(*this, "STATUS_5"),
m_status_6(*this, "STATUS_6"),
m_status_7(*this, "STATUS_7"),
m_status_8(*this, "STATUS_8"),
m_board_1(*this, "BOARD_1"),
m_board_2(*this, "BOARD_2"),
m_board_3(*this, "BOARD_3"),
m_board_4(*this, "BOARD_4"),
m_board_5(*this, "BOARD_5"),
m_board_6(*this, "BOARD_6"),
m_board_7(*this, "BOARD_7"),
m_board_8(*this, "BOARD_8") { }
required_device<cpu_device> m_maincpu;
required_device<beep_device> m_beep;
DECLARE_READ8_MEMBER(supercon_port1_r);
DECLARE_READ8_MEMBER(supercon_port2_r);
DECLARE_READ8_MEMBER(supercon_port3_r);
DECLARE_READ8_MEMBER(supercon_port4_r);
DECLARE_WRITE8_MEMBER(supercon_port1_w);
DECLARE_WRITE8_MEMBER(supercon_port2_w);
DECLARE_WRITE8_MEMBER(supercon_port3_w);
DECLARE_WRITE8_MEMBER(supercon_port4_w);
static const UINT8 m_border_pieces[12];
emu_timer* m_timer_update_irq;
emu_timer* m_timer_mouse_click;
int m_emu_started;
int m_moving_piece;
UINT8 m_data_1E00;
UINT8 m_data_1F00;
UINT8 m_LED_18;
UINT8 m_LED_AH;
UINT8 m_LED_ST;
UINT8 *m_last_LED;
UINT8 m_last_LED_value;
int m_led_update;
int m_remove_led_flag;
int m_selecting;
int m_save_key_data;
attotime m_wait_time;
int *m_current_field;
int m_confirm_board_click;
int m_board[64];
int m_save_board[64];
void set_board();
void set_pieces();
void set_border_pieces();
void clear_pieces();
void update_leds();
virtual void machine_reset();
DECLARE_DRIVER_INIT(supercon);
virtual void machine_start();
TIMER_CALLBACK_MEMBER(mouse_click);
TIMER_CALLBACK_MEMBER(update_irq);
TIMER_DEVICE_CALLBACK_MEMBER(update_artwork);
void board_presave();
void board_postload();
protected:
required_ioport m_b_white;
required_ioport m_b_black;
required_ioport m_b_clr;
required_ioport m_status_1;
required_ioport m_status_2;
required_ioport m_status_3;
required_ioport m_status_4;
required_ioport m_status_5;
required_ioport m_status_6;
required_ioport m_status_7;
required_ioport m_status_8;
required_ioport m_board_1;
required_ioport m_board_2;
required_ioport m_board_3;
required_ioport m_board_4;
required_ioport m_board_5;
required_ioport m_board_6;
required_ioport m_board_7;
required_ioport m_board_8;
void mouse_update();
int get_first_cleared_bit(UINT8 data);
int get_first_bit(UINT8 data);
};
#define VERBOSE 0
#define LOG(x) do { if (VERBOSE) logerror x; } while (0)
enum
{
EM, /*No piece*/
BP,
BN,
BB,
BR,
BQ,
BK,
WP,
WN,
WB,
WR,
WQ,
WK
};
#define LED_LINE_AH 0x10
#define LED_LINE_ST 0x20
#define LED_LINE_18 0x40
#define MAIN_CLOCK 4000000 /* 4 MHz */
#define NOT_VALID 99
#define NO_ACTION 0
#define TAKE 1
#define SET 2
/* artwork board */
const UINT8 supercon_state::m_border_pieces[12] = {WK,WQ,WR,WB,WN,WP,BK,BQ,BR,BB,BN,BP};
void supercon_state::set_board()
{
static const int start_board[64] = {
BR, BN, BB, BQ, BK, BB, BN, BR,
BP, BP, BP, BP, BP, BP, BP, BP,
EM, EM, EM, EM, EM, EM, EM, EM,
EM, EM, EM, EM, EM, EM, EM, EM,
EM, EM, EM, EM, EM, EM, EM, EM,
EM, EM, EM, EM, EM, EM, EM, EM,
WP, WP, WP, WP, WP, WP, WP, WP,
WR, WN, WB, WQ, WK, WB, WN, WR };
for (UINT8 i=0; i<64; i++)
m_board[i]=start_board[i];
}
void supercon_state::set_pieces()
{
int i;
for (i=0;i<64;i++)
output_set_indexed_value("P", i, m_board[i]);
}
void supercon_state::set_border_pieces()
{
UINT8 i;
for (i=0;i<12;i++)
output_set_indexed_value("Q", i, m_border_pieces[i]);
}
void supercon_state::clear_pieces()
{
int i;
for (i=0;i<64;i++)
{
output_set_indexed_value("P", i, EM);
m_board[i]=EM;
}
}
int supercon_state::get_first_cleared_bit(UINT8 data)
{
int i;
for (i = 0; i < 8; i++)
if (!BIT(data, i))
return i;
return NOT_VALID;
}
int supercon_state::get_first_bit(UINT8 data)
{
int i;
for (i = 0; i < 8; i++)
if (BIT(data, i))
return i;
return NOT_VALID;
}
void supercon_state::update_leds()
{
int i;
for (i = 0; i < 8; i++)
{
if (BIT(m_LED_18, i))
output_set_led_value(i + 1, 1);
else
output_set_led_value(i + 1, 0);
if (BIT(m_LED_AH, i))
output_set_led_value(i + 9, 1);
else
output_set_led_value(i + 9, 0);
if (BIT(m_LED_ST, i))
output_set_led_value(i + 17, 1);
else
output_set_led_value(i + 17, 0);
}
}
void supercon_state::mouse_update()
{
UINT8 port_input; // m_left;
int i;
/* border pieces and moving piece */
port_input = m_b_white->read();
if (port_input)
{
i = get_first_bit(port_input);
m_moving_piece = m_border_pieces[i];
output_set_value("MOVING", m_moving_piece);
return;
}
port_input = m_b_black->read();
if (port_input)
{
i = get_first_bit(port_input);
m_moving_piece = m_border_pieces[6+i];
output_set_value("MOVING", m_moving_piece);
return;
}
port_input = m_b_clr->read();
if (port_input)
{
if (m_moving_piece)
{
m_moving_piece=0;
output_set_value("MOVING", m_moving_piece);
return;
}
}
}
/* Driver initialization */
DRIVER_INIT_MEMBER(supercon_state,supercon)
{
m_LED_18=0;
m_LED_AH=0;
m_LED_ST=0;
m_wait_time = attotime::from_hz(4);
m_save_key_data = 0xff;
m_moving_piece=0;
}
/* Read 1C000 */
READ8_MEMBER( supercon_state::supercon_port1_r )
{
LOG(("Read from %04x \n",0x1C00));
return 0xff;
}
/* Read 1D000 */
READ8_MEMBER( supercon_state::supercon_port2_r )
{
LOG(("Read from %04x \n",0x1D00));
return 0xff;
}
/* Read 1E00 */
READ8_MEMBER( supercon_state::supercon_port3_r )
{
int i;
UINT8 key_data=0;
static const char *const status_lines[8] =
{ "STATUS_1", "STATUS_2", "STATUS_3", "STATUS_4", "STATUS_5", "STATUS_6", "STATUS_7", "STATUS_8" };
LOG(("Read from %04x \n",0x1E00));
/* remove last bit (only if it was not already set) */
if ( m_data_1F00 & LED_LINE_AH )
{
if (m_last_LED_value != m_LED_AH)
m_LED_AH=m_LED_AH & ~m_data_1E00;
}
else if ( m_data_1F00 & LED_LINE_ST)
{
if (m_last_LED_value != m_LED_ST)
m_LED_ST=m_LED_ST & ~m_data_1E00;
}
else if ( m_data_1F00 & LED_LINE_18 )
{
if (m_last_LED_value != m_LED_18)
m_LED_18=m_LED_18 & ~m_data_1E00;
}
LOG(("LED_18 from %02x \n",m_LED_18));
LOG(("LED_AH from %02x \n",m_LED_AH));
LOG(("LED_ST from %02x \n",m_LED_ST));
if (m_led_update) /*No LED Update if Port 1C00,1D00 was read */
update_leds();
m_remove_led_flag=TRUE;
m_led_update=TRUE;
m_LED_18=0;
m_LED_AH=0;
m_LED_ST=0;
/* Start */
if (!m_emu_started)
return 0xbf;
else
m_timer_update_irq->adjust( attotime::zero, 0, attotime::from_hz(598) ); //HACK adjust timer after start ???
/* Buttons */
i=get_first_bit(m_data_1E00);
if (i==NOT_VALID)
return 0xff;
switch ( i )
{
case 0: key_data=m_status_1->read(); break;
case 1: key_data=m_status_2->read(); break;
case 2: key_data=m_status_3->read(); break;
case 3: key_data=m_status_4->read(); break;
case 4: key_data=m_status_5->read(); break;
case 5: key_data=m_status_6->read(); break;
case 6: key_data=m_status_7->read(); break;
case 7: key_data=m_status_8->read(); break;
}
if (key_data != 0xc0)
{
LOG(("%s, key_data: %02x \n",status_lines[i],key_data));
/* Button: New Game -> initialize board */
if (i==0 && key_data==0x80)
{
set_board();
set_pieces();
m_emu_started=FALSE;
}
/* Button: Clear Board -> remove all pieces */
if (i==3 && key_data==0x80)
clear_pieces();
if (key_data != 0xff )
return key_data;
}
return 0xc0;
}
/* Read Port $1F00 */
READ8_MEMBER( supercon_state::supercon_port4_r )
{
int i_18, i_AH;
UINT8 key_data = 0x00;
static const char *const board_lines[8] =
{ "BOARD_1", "BOARD_2", "BOARD_3", "BOARD_4", "BOARD_5", "BOARD_6", "BOARD_7", "BOARD_8" };
LOG(("Read from %04x \n",0x1F00));
/* Board buttons */
i_18=get_first_bit(m_data_1E00);
if (i_18==NOT_VALID)
return 0xff;
/* if a button was pressed wait til timer -timer_mouse_click- is fired */
if (m_selecting)
return m_save_key_data;
else
{
set_pieces();
output_set_value("MOVING",m_moving_piece);
}
switch ( i_18 )
{
case 0: key_data=m_board_1->read(); break;
case 1: key_data=m_board_2->read(); break;
case 2: key_data=m_board_3->read(); break;
case 3: key_data=m_board_4->read(); break;
case 4: key_data=m_board_5->read(); break;
case 5: key_data=m_board_6->read(); break;
case 6: key_data=m_board_7->read(); break;
case 7: key_data=m_board_8->read(); break;
}
if (key_data != 0xff)
{
LOG(("%s key_data: %02x \n",board_lines[i_18],key_data));
/* Only if valid data */
if (key_data)
{
/* Set or remove pieces */
i_AH=7-get_first_cleared_bit(key_data);
LOG(("Press -> AH: %d 18: %d Piece: %d\n",i_AH,i_18,m_board[i_18*8 + i_AH]););
m_current_field=&m_board[i_18*8 + i_AH];
if (m_moving_piece)
{
*m_current_field = m_moving_piece;
m_moving_piece = EM;
}
else
{
m_moving_piece = *m_current_field;
*m_current_field = EM;
}
m_selecting=TRUE; /* Flag is removed in timer -timer_mouse_click- */
m_save_key_data=key_data; /* return same key_data til flag selecting is removed */
m_timer_mouse_click->adjust(m_wait_time, 0);
return key_data;
}
}
return 0xff;
}
/* Write Port $1C00 */
WRITE8_MEMBER( supercon_state::supercon_port1_w )
{
LOG(("Write from %04x data: %02x\n",0x1C00,data));
m_led_update=FALSE;
}
/* Write Port $1D00 */
WRITE8_MEMBER( supercon_state::supercon_port2_w )
{
LOG(("Write from %04x data: %02x\n",0x1D00,data));
m_led_update=FALSE;
}
/* Write Port $1E00 */
WRITE8_MEMBER( supercon_state::supercon_port3_w )
{
if (data)
LOG(("Write from %04x data: %02x\n",0x1E00,data));
if (data)
{
m_data_1E00=data;
/* Set bits for LED's */
if ( m_data_1F00)
{
if (m_data_1F00 & LED_LINE_AH )
{
m_last_LED = &m_LED_AH; /* save last value */
m_last_LED_value = *m_last_LED;
m_LED_AH=m_LED_AH | m_data_1E00;
}
else if (m_data_1F00 & LED_LINE_ST )
{
m_last_LED = &m_LED_ST;
m_last_LED_value = *m_last_LED;
m_LED_ST=m_LED_ST | m_data_1E00;
}
else if (m_data_1F00 & LED_LINE_18)
{
m_last_LED = &m_LED_18;
m_last_LED_value = *m_last_LED;
m_LED_18=m_LED_18 | m_data_1E00;
}
}
}
// The IRQ handler writes to both 0x1E00 (1x) and 0x1F00 (2x) ports.
// Not 100% sure if this is the correct place for clearing the IRQ
// line.
m_maincpu->set_input_line(M6502_IRQ_LINE, CLEAR_LINE);
}
/* Write Port $1F00 */
WRITE8_MEMBER( supercon_state::supercon_port4_w )
{
if (data)
LOG(("Write from %04x data: %02x\n",0x1F00,data));
if (data)
m_data_1F00=data;
/* Bit 7 is set -> Buzzer on */
if ( m_data_1F00 & 0x80 )
{
m_beep->set_state(1);
m_emu_started=TRUE;
}
else
m_beep->set_state(0);
}
TIMER_CALLBACK_MEMBER(supercon_state::mouse_click)
{
m_selecting=FALSE;
}
TIMER_DEVICE_CALLBACK_MEMBER(supercon_state::update_artwork)
{
mouse_update();
}
TIMER_CALLBACK_MEMBER(supercon_state::update_irq)
{
m_maincpu->set_input_line(M6502_IRQ_LINE, ASSERT_LINE);
}
/* Save state call backs */
void supercon_state::board_presave()
{
for (int i=0;i<64;i++)
{
m_save_board[i] = m_board[i];
}
}
void supercon_state::board_postload()
{
for (int i=0;i<64;i++)
{
m_board[i] = m_save_board[i];
}
set_pieces();
}
void supercon_state::machine_start()
{
m_timer_update_irq = machine().scheduler().timer_alloc(timer_expired_delegate(FUNC(supercon_state::update_irq),this));
m_timer_update_irq->adjust( attotime::zero, 0, attotime::from_hz(1000) );
m_timer_mouse_click = machine().scheduler().timer_alloc(timer_expired_delegate(FUNC(supercon_state::mouse_click),this),NULL);
save_item(NAME(m_save_board));
machine().save().register_postload(save_prepost_delegate(FUNC(supercon_state::board_postload),this));
machine().save().register_presave(save_prepost_delegate(FUNC(supercon_state::board_presave),this));
}
void supercon_state::machine_reset()
{
set_board();
set_pieces();
set_border_pieces();
m_emu_started=FALSE;
}
/* Address maps */
static ADDRESS_MAP_START(supercon_mem, AS_PROGRAM, 8, supercon_state)
AM_RANGE( 0x0000, 0x0fff) AM_RAM
AM_RANGE( 0x2000, 0x7fff) AM_ROM
AM_RANGE( 0x8000, 0xffff) AM_ROM
AM_RANGE( 0x1C00, 0x1C00) AM_WRITE ( supercon_port1_w )
AM_RANGE( 0x1D00, 0x1D00) AM_WRITE ( supercon_port2_w )
AM_RANGE( 0x1E00, 0x1E00) AM_WRITE ( supercon_port3_w )
AM_RANGE( 0x1F00, 0x1F00) AM_WRITE ( supercon_port4_w )
AM_RANGE( 0x1C00, 0x1C00) AM_READ ( supercon_port1_r )
AM_RANGE( 0x1D00, 0x1D00) AM_READ ( supercon_port2_r )
AM_RANGE( 0x1E00, 0x1E00) AM_READ ( supercon_port3_r )
AM_RANGE( 0x1F00, 0x1F00) AM_READ ( supercon_port4_r )
ADDRESS_MAP_END
/* Input ports */
static INPUT_PORTS_START( supercon )
PORT_START("BOARD_1")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD)
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD)
PORT_BIT(0x010, IP_ACTIVE_LOW, IPT_KEYBOARD)
PORT_BIT(0x020, IP_ACTIVE_LOW, IPT_KEYBOARD)
PORT_BIT(0x040, IP_ACTIVE_LOW, IPT_KEYBOARD)
PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYBOARD)
PORT_START("BOARD_2")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD)
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD)
PORT_BIT(0x010, IP_ACTIVE_LOW, IPT_KEYBOARD)
PORT_BIT(0x020, IP_ACTIVE_LOW, IPT_KEYBOARD)
PORT_BIT(0x040, IP_ACTIVE_LOW, IPT_KEYBOARD)
PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYBOARD)
PORT_START("BOARD_3")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD)
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD)
PORT_BIT(0x010, IP_ACTIVE_LOW, IPT_KEYBOARD)
PORT_BIT(0x020, IP_ACTIVE_LOW, IPT_KEYBOARD)
PORT_BIT(0x040, IP_ACTIVE_LOW, IPT_KEYBOARD)
PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYBOARD)
PORT_START("BOARD_4")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD)
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD)
PORT_BIT(0x010, IP_ACTIVE_LOW, IPT_KEYBOARD)
PORT_BIT(0x020, IP_ACTIVE_LOW, IPT_KEYBOARD)
PORT_BIT(0x040, IP_ACTIVE_LOW, IPT_KEYBOARD)
PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYBOARD)
PORT_START("BOARD_5")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD)
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD)
PORT_BIT(0x010, IP_ACTIVE_LOW, IPT_KEYBOARD)
PORT_BIT(0x020, IP_ACTIVE_LOW, IPT_KEYBOARD)
PORT_BIT(0x040, IP_ACTIVE_LOW, IPT_KEYBOARD)
PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYBOARD)
PORT_START("BOARD_6")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD)
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD)
PORT_BIT(0x010, IP_ACTIVE_LOW, IPT_KEYBOARD)
PORT_BIT(0x020, IP_ACTIVE_LOW, IPT_KEYBOARD)
PORT_BIT(0x040, IP_ACTIVE_LOW, IPT_KEYBOARD)
PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYBOARD)
PORT_START("BOARD_7")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD)
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD)
PORT_BIT(0x010, IP_ACTIVE_LOW, IPT_KEYBOARD)
PORT_BIT(0x020, IP_ACTIVE_LOW, IPT_KEYBOARD)
PORT_BIT(0x040, IP_ACTIVE_LOW, IPT_KEYBOARD)
PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYBOARD)
PORT_START("BOARD_8")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD)
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD)
PORT_BIT(0x010, IP_ACTIVE_LOW, IPT_KEYBOARD)
PORT_BIT(0x020, IP_ACTIVE_LOW, IPT_KEYBOARD)
PORT_BIT(0x040, IP_ACTIVE_LOW, IPT_KEYBOARD)
PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYBOARD)
PORT_START("STATUS_1")
PORT_BIT(0x040, IP_ACTIVE_LOW, IPT_KEYBOARD)
PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYBOARD)
PORT_START("STATUS_2")
PORT_BIT(0x040, IP_ACTIVE_LOW, IPT_KEYBOARD)
PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYBOARD)
PORT_START("STATUS_3")
PORT_BIT(0x040, IP_ACTIVE_LOW, IPT_KEYBOARD)
PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYBOARD)
PORT_START("STATUS_4")
PORT_BIT(0x040, IP_ACTIVE_LOW, IPT_KEYBOARD)
PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYBOARD)
PORT_START("STATUS_5")
PORT_BIT(0x040, IP_ACTIVE_LOW, IPT_KEYBOARD)
PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYBOARD)
PORT_START("STATUS_6")
PORT_BIT(0x040, IP_ACTIVE_LOW, IPT_KEYBOARD)
PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYBOARD)
PORT_START("STATUS_7")
PORT_BIT(0x040, IP_ACTIVE_LOW, IPT_KEYBOARD)
PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYBOARD)
PORT_START("STATUS_8")
PORT_BIT(0x040, IP_ACTIVE_LOW, IPT_KEYBOARD)
PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYBOARD)
PORT_START("B_WHITE")
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD)
PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD)
PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD)
PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD)
PORT_BIT(0x010, IP_ACTIVE_HIGH, IPT_KEYBOARD)
PORT_BIT(0x020, IP_ACTIVE_HIGH, IPT_KEYBOARD)
PORT_START("B_BLACK")
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD)
PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD)
PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD)
PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD)
PORT_BIT(0x010, IP_ACTIVE_HIGH, IPT_KEYBOARD)
PORT_BIT(0x020, IP_ACTIVE_HIGH, IPT_KEYBOARD)
PORT_START("B_CLR")
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD)
INPUT_PORTS_END
/* Machine driver */
static MACHINE_CONFIG_START( supercon, supercon_state )
/* basic machine hardware */
MCFG_CPU_ADD("maincpu",M6502,MAIN_CLOCK)
MCFG_CPU_PROGRAM_MAP(supercon_mem)
/* video hardware */
MCFG_DEFAULT_LAYOUT(layout_supercon)
/* sound hardware */
MCFG_SPEAKER_STANDARD_MONO("mono")
MCFG_SOUND_ADD("beeper", BEEP, 0)
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50)
MCFG_TIMER_DRIVER_ADD_PERIODIC("artwork_timer", supercon_state, update_artwork, attotime::from_hz(20))
MACHINE_CONFIG_END
/* ROM definition */
ROM_START(supercon)
ROM_REGION(0x10000,"maincpu",0)
ROM_LOAD("supercon_low.bin", 0x0000, 0x8000, CRC(b853cf6e) SHA1(1a759072a5023b92c07f1fac01b7a21f7b5b45d0 ))
ROM_LOAD("supercon_high.bin", 0x8000, 0x8000, CRC(c8f82331) SHA1(f7fd039f9a3344db9749931490ded9e9e309cfbe ))
ROM_END
/* Driver */
/* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS */
CONS( 1983, supercon, 0, 0, supercon, supercon, supercon_state, supercon, "Novag", "SuperConstellation", GAME_SUPPORTS_SAVE)