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dms5000: More attempts at getting this somewhere (nw)

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This commit is contained in:
AJR 2018-05-14 12:43:10 -04:00
parent af7ad4eaba
commit 6e0979308e
1 changed files with 19 additions and 4 deletions
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23
src/mame/drivers/dms5000.cpp
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@ -19,8 +19,11 @@ class dms5000_state : public driver_device
{ {
public: public:
dms5000_state(const machine_config &mconfig, device_type type, const char *tag) dms5000_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag) , : driver_device(mconfig, type, tag)
m_maincpu(*this, "maincpu") { } , m_maincpu(*this, "maincpu")
, m_screen(*this, "screen")
{
}
void dms5000(machine_config &config); void dms5000(machine_config &config);
private: private:
@ -29,15 +32,27 @@ private:
virtual void machine_reset() override; virtual void machine_reset() override;
virtual void video_start() override; virtual void video_start() override;
uint32_t screen_update_dms5000(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); uint32_t screen_update_dms5000(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
required_device<cpu_device> m_maincpu;
void dms5000_io(address_map &map); void dms5000_io(address_map &map);
void dms5000_mem(address_map &map); void dms5000_mem(address_map &map);
required_device<cpu_device> m_maincpu;
required_device<screen_device> m_screen;
}; };
READ8_MEMBER(dms5000_state::status_r) READ8_MEMBER(dms5000_state::status_r)
{ {
return 1; switch (offset)
{
case 0:
return m_screen->vblank();
case 2:
return m_screen->frame_number() & 1;
default:
return 0;
}
} }
WRITE8_MEMBER(dms5000_state::brightness_w) WRITE8_MEMBER(dms5000_state::brightness_w)