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unkhorse.c: added save state support (nw)

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This commit is contained in:
Ivan Vangelista 2015-03-30 19:36:14 +02:00
parent c6aeb4df96
commit 4e89e12e02
1 changed files with 33 additions and 21 deletions
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54
src/mame/drivers/unkhorse.c
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@ -30,25 +30,37 @@ class horse_state : public driver_device
public:
horse_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_video_ram(*this, "video_ram"),
m_color_ram(*this, "color_ram"),
m_maincpu(*this, "maincpu"),
m_dac(*this, "dac") { }
m_dac(*this, "dac"),
m_video_ram(*this, "video_ram"),
m_color_ram(*this, "color_ram") { }
required_device<cpu_device> m_maincpu;
required_device<dac_device> m_dac;
required_shared_ptr<UINT8> m_video_ram;
required_shared_ptr<UINT8> m_color_ram;
UINT8 m_output;
DECLARE_READ8_MEMBER(horse_input_r);
DECLARE_WRITE8_MEMBER(horse_output_w);
DECLARE_WRITE_LINE_MEMBER(horse_timer_out);
DECLARE_READ8_MEMBER(input_r);
DECLARE_WRITE8_MEMBER(output_w);
DECLARE_WRITE_LINE_MEMBER(timer_out);
virtual void machine_start();
DECLARE_PALETTE_INIT(horse);
UINT32 screen_update_horse(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
INTERRUPT_GEN_MEMBER(horse_interrupt);
required_device<cpu_device> m_maincpu;
required_device<dac_device> m_dac;
UINT32 screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
INTERRUPT_GEN_MEMBER(interrupt);
};
void horse_state::machine_start()
{
save_item(NAME(m_output));
}
/***************************************************************************
Video
@ -62,7 +74,7 @@ PALETTE_INIT_MEMBER(horse_state, horse)
palette.set_pen_color(i, pal1bit(i >> 2), pal1bit(i >> 1), pal1bit(i >> 0));
}
UINT32 horse_state::screen_update_horse(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
UINT32 horse_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
for (int y = cliprect.min_y; y <= cliprect.max_y; y++)
{
@ -98,7 +110,7 @@ static ADDRESS_MAP_START( horse_io_map, AS_IO, 8, horse_state )
ADDRESS_MAP_END
READ8_MEMBER(horse_state::horse_input_r)
READ8_MEMBER(horse_state::input_r)
{
switch (m_output >> 6 & 3)
{
@ -111,7 +123,7 @@ READ8_MEMBER(horse_state::horse_input_r)
return 0xff;
}
WRITE8_MEMBER(horse_state::horse_output_w)
WRITE8_MEMBER(horse_state::output_w)
{
m_output = data;
@ -120,7 +132,7 @@ WRITE8_MEMBER(horse_state::horse_output_w)
// other bits: ?
}
WRITE_LINE_MEMBER(horse_state::horse_timer_out)
WRITE_LINE_MEMBER(horse_state::timer_out)
{
m_dac->write_signed8(state ? 0x7f : 0);
}
@ -182,7 +194,7 @@ INPUT_PORTS_END
***************************************************************************/
INTERRUPT_GEN_MEMBER(horse_state::horse_interrupt)
INTERRUPT_GEN_MEMBER(horse_state::interrupt)
{
device.execute().set_input_line(I8085_RST75_LINE, ASSERT_LINE);
device.execute().set_input_line(I8085_RST75_LINE, CLEAR_LINE);
@ -194,13 +206,13 @@ static MACHINE_CONFIG_START( horse, horse_state )
MCFG_CPU_ADD("maincpu", I8085A, XTAL_12MHz / 2)
MCFG_CPU_PROGRAM_MAP(horse_map)
MCFG_CPU_IO_MAP(horse_io_map)
MCFG_CPU_VBLANK_INT_DRIVER("screen", horse_state, horse_interrupt)
MCFG_CPU_VBLANK_INT_DRIVER("screen", horse_state, interrupt)
MCFG_DEVICE_ADD("i8155", I8155, XTAL_12MHz / 2)
MCFG_I8155_IN_PORTA_CB(READ8(horse_state, horse_input_r))
MCFG_I8155_OUT_PORTB_CB(WRITE8(horse_state, horse_output_w))
MCFG_I8155_IN_PORTA_CB(READ8(horse_state, input_r))
MCFG_I8155_OUT_PORTB_CB(WRITE8(horse_state, output_w))
//port C output (but unused)
MCFG_I8155_OUT_TIMEROUT_CB(WRITELINE(horse_state, horse_timer_out))
MCFG_I8155_OUT_TIMEROUT_CB(WRITELINE(horse_state, timer_out))
/* video hardware */
MCFG_SCREEN_ADD("screen", RASTER)
@ -208,7 +220,7 @@ static MACHINE_CONFIG_START( horse, horse_state )
MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0))
MCFG_SCREEN_SIZE(32*8, 32*8)
MCFG_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 1*8, 31*8-1)
MCFG_SCREEN_UPDATE_DRIVER(horse_state, screen_update_horse)
MCFG_SCREEN_UPDATE_DRIVER(horse_state, screen_update)
MCFG_SCREEN_PALETTE("palette")
MCFG_PALETTE_ADD("palette", 8)
@ -240,4 +252,4 @@ ROM_START( unkhorse )
ROM_END
GAME( 1981?, unkhorse, 0, horse, horse, driver_device, 0, ROT270, "<unknown>", "unknown Japanese horse gambling game", 0 ) // copyright not shown, datecodes on pcb suggests early-1981
GAME( 1981?, unkhorse, 0, horse, horse, driver_device, 0, ROT270, "<unknown>", "unknown Japanese horse gambling game", GAME_SUPPORTS_SAVE ) // copyright not shown, datecodes on pcb suggests early-1981