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dotrikun: update prev commit

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This commit is contained in:
hap 2016-08-20 03:37:23 +02:00
parent c0a1e78a30
commit ac81482422
1 changed files with 17 additions and 8 deletions
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25
src/mame/drivers/dotrikun.cpp
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@ -40,12 +40,14 @@ public:
m_maincpu(*this, "maincpu"),
m_screen(*this, "screen"),
m_vram(*this, "vram"),
m_interrupt_timer(*this, "interrupt"),
m_scanline_off_timer(*this, "scanline_off")
{ }
required_device<cpu_device> m_maincpu;
required_device<screen_device> m_screen;
required_shared_ptr<UINT8> m_vram;
required_device<timer_device> m_interrupt_timer;
required_device<timer_device> m_scanline_off_timer;
UINT8 m_vram_latch;
@ -54,13 +56,19 @@ public:
DECLARE_WRITE8_MEMBER(vram_w);
DECLARE_WRITE8_MEMBER(color_w);
UINT32 screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
TIMER_DEVICE_CALLBACK_MEMBER(scanline_on);
TIMER_DEVICE_CALLBACK_MEMBER(interrupt);
TIMER_DEVICE_CALLBACK_MEMBER(scanline_off);
TIMER_DEVICE_CALLBACK_MEMBER(scanline_on);
virtual void machine_start() override;
virtual void machine_reset() override;
};
TIMER_DEVICE_CALLBACK_MEMBER(dotrikun_state::interrupt)
{
generic_pulse_irq_line(m_maincpu, 0, 1);
}
TIMER_DEVICE_CALLBACK_MEMBER(dotrikun_state::scanline_off)
{
m_maincpu->set_unscaled_clock(XTAL_4MHz);
@ -69,15 +77,15 @@ TIMER_DEVICE_CALLBACK_MEMBER(dotrikun_state::scanline_off)
TIMER_DEVICE_CALLBACK_MEMBER(dotrikun_state::scanline_on)
{
// on vram fetch(every 8 pixels during active display), z80 is stalled for 2 clocks
if (param >= 0 && param < 192)
if (param < 192)
{
m_maincpu->set_unscaled_clock(XTAL_4MHz * 0.75);
m_scanline_off_timer->adjust(m_screen->time_until_pos(param, 128), param);
m_scanline_off_timer->adjust(m_screen->time_until_pos(param, 128));
}
// vblank interrupt
else if (param == 192)
generic_pulse_irq_line(m_maincpu, 0, 1);
if (param == 191)
m_interrupt_timer->adjust(m_screen->time_until_pos(param, 128+64));
}
@ -184,7 +192,8 @@ static MACHINE_CONFIG_START( dotrikun, dotrikun_state )
MCFG_CPU_IO_MAP(io_map)
MCFG_TIMER_DRIVER_ADD_SCANLINE("scanline_on", dotrikun_state, scanline_on, "screen", 0, 1)
MCFG_TIMER_DRIVER_ADD("scanline_off", dotrikun_state, scanline_off)
MCFG_TIMER_DRIVER_ADD("interrupt", dotrikun_state, interrupt)
/* video hardware */
MCFG_SCREEN_ADD("screen", RASTER)
MCFG_SCREEN_RAW_PARAMS(XTAL_4MHz, 128+128, 0, 128, 192+64, 0, 192)
@ -214,5 +223,5 @@ ROM_START( dotrikun2 )
ROM_END
GAMEL(1990, dotrikun, 0, dotrikun, dotrikun, driver_device, 0, ROT0, "Sega", "Dottori Kun (new version)", MACHINE_SUPPORTS_SAVE | MACHINE_NO_SOUND_HW | MACHINE_IMPERFECT_GRAPHICS, layout_dotrikun )
GAMEL(1990, dotrikun2, dotrikun, dotrikun, dotrikun, driver_device, 0, ROT0, "Sega", "Dottori Kun (old version)", MACHINE_SUPPORTS_SAVE | MACHINE_NO_SOUND_HW | MACHINE_IMPERFECT_GRAPHICS, layout_dotrikun )
GAMEL(1990, dotrikun, 0, dotrikun, dotrikun, driver_device, 0, ROT0, "Sega", "Dottori Kun (new version)", MACHINE_SUPPORTS_SAVE | MACHINE_NO_SOUND_HW, layout_dotrikun )
GAMEL(1990, dotrikun2, dotrikun, dotrikun, dotrikun, driver_device, 0, ROT0, "Sega", "Dottori Kun (old version)", MACHINE_SUPPORTS_SAVE | MACHINE_NO_SOUND_HW, layout_dotrikun )