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/*************************************************************************
Irem M72 hardware
*************************************************************************/
class m72_state : public driver_device
{
public:
m72_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag) { }
UINT16 *m_protection_ram;
emu_timer *m_scanline_timer;
UINT8 m_irq_base;
UINT8 m_mcu_snd_cmd_latch;
UINT8 m_mcu_sample_latch;
UINT32 m_mcu_sample_addr;
const UINT8 *m_protection_code;
const UINT8 *m_protection_crc;
UINT8 *m_soundram;
int m_prev[4];
int m_diff[4];
UINT16 *m_videoram1;
UINT16 *m_videoram2;
UINT16 *m_majtitle_rowscrollram;
UINT32 m_raster_irq_position;
UINT16 *m_spriteram;
UINT16 *m_spriteram2;
UINT16 *m_buffered_spriteram;
size_t m_spriteram_size;
tilemap_t *m_fg_tilemap;
tilemap_t *m_bg_tilemap;
INT32 m_scrollx1;
INT32 m_scrolly1;
INT32 m_scrollx2;
INT32 m_scrolly2;
INT32 m_video_off;
int m_majtitle_rowscroll;
device_t *m_audio;
DECLARE_WRITE16_MEMBER(m72_main_mcu_sound_w);
DECLARE_WRITE16_MEMBER(m72_main_mcu_w);
DECLARE_WRITE8_MEMBER(m72_mcu_data_w);
DECLARE_READ8_MEMBER(m72_mcu_data_r);
DECLARE_READ8_MEMBER(m72_mcu_sample_r);
DECLARE_WRITE8_MEMBER(m72_mcu_ack_w);
DECLARE_READ8_MEMBER(m72_mcu_snd_r);
DECLARE_READ8_MEMBER(m72_mcu_port_r);
DECLARE_WRITE8_MEMBER(m72_mcu_port_w);
DECLARE_WRITE8_MEMBER(m72_mcu_low_w);
DECLARE_WRITE8_MEMBER(m72_mcu_high_w);
DECLARE_READ8_MEMBER(m72_snd_cpu_sample_r);
DECLARE_WRITE16_MEMBER(bchopper_sample_trigger_w);
DECLARE_WRITE16_MEMBER(nspirit_sample_trigger_w);
DECLARE_WRITE16_MEMBER(imgfight_sample_trigger_w);
DECLARE_WRITE16_MEMBER(loht_sample_trigger_w);
DECLARE_WRITE16_MEMBER(xmultiplm72_sample_trigger_w);
DECLARE_WRITE16_MEMBER(dbreedm72_sample_trigger_w);
DECLARE_WRITE16_MEMBER(airduel_sample_trigger_w);
DECLARE_WRITE16_MEMBER(dkgenm72_sample_trigger_w);
DECLARE_WRITE16_MEMBER(gallop_sample_trigger_w);
DECLARE_READ16_MEMBER(protection_r);
DECLARE_WRITE16_MEMBER(protection_w);
DECLARE_READ16_MEMBER(soundram_r);
DECLARE_WRITE16_MEMBER(soundram_w);
DECLARE_READ16_MEMBER(poundfor_trackball_r);
DECLARE_READ16_MEMBER(m72_palette1_r);
DECLARE_READ16_MEMBER(m72_palette2_r);
DECLARE_WRITE16_MEMBER(m72_palette1_w);
DECLARE_WRITE16_MEMBER(m72_palette2_w);
DECLARE_WRITE16_MEMBER(m72_videoram1_w);
DECLARE_WRITE16_MEMBER(m72_videoram2_w);
DECLARE_WRITE16_MEMBER(m72_irq_line_w);
DECLARE_WRITE16_MEMBER(m72_scrollx1_w);
DECLARE_WRITE16_MEMBER(m72_scrollx2_w);
DECLARE_WRITE16_MEMBER(m72_scrolly1_w);
DECLARE_WRITE16_MEMBER(m72_scrolly2_w);
DECLARE_WRITE16_MEMBER(m72_dmaon_w);
DECLARE_WRITE16_MEMBER(m72_port02_w);
DECLARE_WRITE16_MEMBER(rtype2_port02_w);
DECLARE_WRITE16_MEMBER(majtitle_gfx_ctrl_w);
};
/*----------- defined in video/m72.c -----------*/
VIDEO_START( m72 );
VIDEO_START( rtype2 );
VIDEO_START( majtitle );
VIDEO_START( hharry );
VIDEO_START( poundfor );
VIDEO_START( xmultipl );
VIDEO_START( hharryu );
SCREEN_UPDATE_IND16( m72 );
SCREEN_UPDATE_IND16( majtitle );
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