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class tiamc1_state : public driver_device
{
public:
tiamc1_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag) ,
m_maincpu(*this, "maincpu"),
m_gfxdecode(*this, "gfxdecode") { }
UINT8 *m_tileram;
UINT8 *m_charram;
UINT8 *m_spriteram_x;
UINT8 *m_spriteram_y;
UINT8 *m_spriteram_a;
UINT8 *m_spriteram_n;
UINT8 m_layers_ctrl;
UINT8 m_bg_vshift;
UINT8 m_bg_hshift;
tilemap_t *m_bg_tilemap1;
tilemap_t *m_bg_tilemap2;
rgb_t *m_palette_ptr;
DECLARE_WRITE8_MEMBER(tiamc1_control_w);
DECLARE_WRITE8_MEMBER(tiamc1_videoram_w);
DECLARE_WRITE8_MEMBER(tiamc1_bankswitch_w);
DECLARE_WRITE8_MEMBER(tiamc1_sprite_x_w);
DECLARE_WRITE8_MEMBER(tiamc1_sprite_y_w);
DECLARE_WRITE8_MEMBER(tiamc1_sprite_a_w);
DECLARE_WRITE8_MEMBER(tiamc1_sprite_n_w);
DECLARE_WRITE8_MEMBER(tiamc1_bg_vshift_w);
DECLARE_WRITE8_MEMBER(tiamc1_bg_hshift_w);
DECLARE_WRITE8_MEMBER(tiamc1_palette_w);
TILE_GET_INFO_MEMBER(get_bg1_tile_info);
TILE_GET_INFO_MEMBER(get_bg2_tile_info);
virtual void machine_reset();
virtual void video_start();
DECLARE_PALETTE_INIT(tiamc1);
UINT32 screen_update_tiamc1(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
void draw_sprites(bitmap_ind16 &bitmap, const rectangle &cliprect);
required_device<cpu_device> m_maincpu;
required_device<gfxdecode_device> m_gfxdecode;
};
/*----------- defined in audio/tiamc1.c -----------*/
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
struct timer8253chan
{
timer8253chan() :
count(0),
cnval(0),
bcdMode(0),
cntMode(0),
valMode(0),
gate(0),
output(0),
loadCnt(0),
enable(0)
{}
UINT16 count;
UINT16 cnval;
UINT8 bcdMode;
UINT8 cntMode;
UINT8 valMode;
UINT8 gate;
UINT8 output;
UINT8 loadCnt;
UINT8 enable;
};
struct timer8253struct
{
struct timer8253chan channel[3];
};
// ======================> qsound_device
class tiamc1_sound_device : public device_t,
public device_sound_interface
{
public:
tiamc1_sound_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
~tiamc1_sound_device() { }
protected:
// device-level overrides
virtual void device_start();
// sound stream update overrides
virtual void sound_stream_update(sound_stream &stream, stream_sample_t **inputs, stream_sample_t **outputs, int samples);
public:
DECLARE_WRITE8_MEMBER( tiamc1_timer0_w );
DECLARE_WRITE8_MEMBER( tiamc1_timer1_w );
DECLARE_WRITE8_MEMBER( tiamc1_timer1_gate_w );
private:
void timer8253_reset(struct timer8253struct *t);
void timer8253_tick(struct timer8253struct *t,int chn);
void timer8253_wr(struct timer8253struct *t, int reg, UINT8 val);
char timer8253_get_output(struct timer8253struct *t, int chn);
void timer8253_set_gate(struct timer8253struct *t, int chn, UINT8 gate);
private:
sound_stream *m_channel;
int m_timer1_divider;
timer8253struct m_timer0;
timer8253struct m_timer1;
};
extern const device_type TIAMC1;
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