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/*************************************************************************
Taito Air System
*************************************************************************/
enum { TAITOAIR_FRAC_SHIFT = 16, TAITOAIR_POLY_MAX_PT = 16 };
struct taitoair_spoint {
INT32 x, y;
};
struct taitoair_poly {
struct taitoair_spoint p[TAITOAIR_POLY_MAX_PT];
int pcount;
int col;
};
class taitoair_state : public driver_device
{
public:
taitoair_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_m68000_mainram(*this, "m68000_mainram"),
m_line_ram(*this, "line_ram"),
m_dsp_ram(*this, "dsp_ram"),
m_paletteram(*this, "paletteram"),
m_gradram(*this, "gradram"),
m_backregs(*this, "backregs") { }
/* memory pointers */
required_shared_ptr<UINT16> m_m68000_mainram;
required_shared_ptr<UINT16> m_line_ram;
required_shared_ptr<UINT16> m_dsp_ram; // Shared 68000/TMS32025 RAM
required_shared_ptr<UINT16> m_paletteram;
/* video-related */
taitoair_poly m_q;
/* misc */
int m_dsp_hold_signal;
INT32 m_banknum;
/* devices */
cpu_device *m_audiocpu;
device_t *m_dsp;
device_t *m_tc0080vco;
required_shared_ptr<UINT16> m_gradram;
required_shared_ptr<UINT16> m_backregs;
bitmap_ind16 *m_framebuffer[2];
/* 3d info */
INT16 m_frustumLeft;
INT16 m_frustumBottom;
INT16 m_eyecoordBuffer[4]; /* homogeneous */
//bitmap_ind16 *m_buffer3d;
DECLARE_WRITE16_MEMBER(system_control_w);
DECLARE_READ16_MEMBER(lineram_r);
DECLARE_WRITE16_MEMBER(lineram_w);
DECLARE_READ16_MEMBER(dspram_r);
DECLARE_WRITE16_MEMBER(dspram_w);
DECLARE_READ16_MEMBER(dsp_HOLD_signal_r);
DECLARE_WRITE16_MEMBER(dsp_HOLDA_signal_w);
DECLARE_WRITE16_MEMBER(airsys_paletteram16_w);
DECLARE_WRITE16_MEMBER(airsys_gradram_w);
DECLARE_READ16_MEMBER(stick_input_r);
DECLARE_READ16_MEMBER(stick2_input_r);
DECLARE_WRITE8_MEMBER(sound_bankswitch_w);
DECLARE_WRITE16_MEMBER(dsp_flags_w);
DECLARE_WRITE16_MEMBER(dsp_x_eyecoord_w);
DECLARE_WRITE16_MEMBER(dsp_y_eyecoord_w);
DECLARE_WRITE16_MEMBER(dsp_z_eyecoord_w);
DECLARE_WRITE16_MEMBER(dsp_frustum_left_w);
DECLARE_WRITE16_MEMBER(dsp_frustum_bottom_w);
DECLARE_WRITE16_MEMBER(dsp_rasterize_w);
DECLARE_READ16_MEMBER(dsp_x_return_r);
DECLARE_READ16_MEMBER(dsp_y_return_r);
};
/*----------- defined in video/taitoair.c -----------*/
SCREEN_UPDATE_IND16( taitoair );
VIDEO_START( taitoair );
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