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// license:BSD-3-Clause
// copyright-holders:Aaron Giles
/***************************************************************************
HAR MadMax hardware
**************************************************************************/
class dcheese_state : public driver_device
{
public:
enum
{
TIMER_BLITTER_SCANLINE,
TIMER_SIGNAL_IRQ
};
dcheese_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_maincpu(*this, "maincpu"),
m_audiocpu(*this, "audiocpu"),
m_screen(*this, "screen") { }
/* video-related */
UINT16 m_blitter_color[2];
UINT16 m_blitter_xparam[16];
UINT16 m_blitter_yparam[16];
UINT16 m_blitter_vidparam[32];
std::unique_ptr<bitmap_ind16> m_dstbitmap;
emu_timer *m_blitter_timer;
/* misc */
UINT8 m_irq_state[5];
UINT8 m_soundlatch_full;
UINT8 m_sound_control;
UINT8 m_sound_msb_latch;
/* devices */
required_device<cpu_device> m_maincpu;
required_device<cpu_device> m_audiocpu;
required_device<screen_device> m_screen;
device_t *m_bsmt;
DECLARE_WRITE16_MEMBER(eeprom_control_w);
DECLARE_WRITE16_MEMBER(sound_command_w);
DECLARE_READ8_MEMBER(sound_command_r);
DECLARE_READ8_MEMBER(sound_status_r);
DECLARE_WRITE8_MEMBER(sound_control_w);
DECLARE_WRITE8_MEMBER(bsmt_data_w);
DECLARE_WRITE16_MEMBER(madmax_blitter_color_w);
DECLARE_WRITE16_MEMBER(madmax_blitter_xparam_w);
DECLARE_WRITE16_MEMBER(madmax_blitter_yparam_w);
DECLARE_WRITE16_MEMBER(madmax_blitter_vidparam_w);
DECLARE_WRITE16_MEMBER(madmax_blitter_unknown_w);
DECLARE_READ16_MEMBER(madmax_blitter_vidparam_r);
DECLARE_CUSTOM_INPUT_MEMBER(sound_latch_state_r);
virtual void machine_start() override;
virtual void video_start() override;
DECLARE_PALETTE_INIT(dcheese);
UINT32 screen_update_dcheese(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
INTERRUPT_GEN_MEMBER(dcheese_vblank);
void dcheese_signal_irq(int which);
void update_irq_state();
IRQ_CALLBACK_MEMBER(irq_callback);
void update_scanline_irq();
void do_clear( );
void do_blit( );
protected:
virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override;
};
/*----------- defined in drivers/dcheese.c -----------*/
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