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/*************************************************************************
SNK/Alpha 68000 based games
*************************************************************************/
class alpha68k_state : public driver_device
{
public:
alpha68k_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag) { }
/* memory pointers */
UINT16 * m_videoram;
UINT16 * m_spriteram;
UINT16 * m_shared_ram;
UINT16 * m_paletteram;
/* video-related */
tilemap_t *m_fix_tilemap;
int m_bank_base;
int m_flipscreen;
int m_last_bank;
int m_buffer_28;
int m_buffer_60;
int m_buffer_68;
/* misc */
int m_invert_controls;
int m_microcontroller_id;
int m_coin_id;
unsigned m_trigstate;
unsigned m_deposits1;
unsigned m_deposits2;
unsigned m_credits;
unsigned m_coinvalue;
unsigned m_microcontroller_data;
int m_latch;
unsigned m_game_id; // see below
/* devices */
device_t *m_audiocpu;
};
/* game_id - used to deal with a few game specific situations */
enum
{
ALPHA68K_BTLFIELDB = 1, // used in alpha_II_trigger_r
ALPHA68K_JONGBOU, // used in kyros_alpha_trigger_r & kyros_draw_sprites
ALPHA68K_KYROS // used in kyros_draw_sprites
};
/*----------- defined in video/alpha68k.c -----------*/
PALETTE_INIT( kyros );
PALETTE_INIT( paddlem );
VIDEO_START( alpha68k );
SCREEN_UPDATE( kyros );
SCREEN_UPDATE( sstingry );
SCREEN_UPDATE( alpha68k_I );
SCREEN_UPDATE( alpha68k_II );
SCREEN_UPDATE( alpha68k_V );
SCREEN_UPDATE( alpha68k_V_sb );
void alpha68k_V_video_bank_w(running_machine &machine, int bank);
void alpha68k_flipscreen_w(running_machine &machine, int flip);
WRITE16_HANDLER( alpha68k_paletteram_w );
WRITE16_HANDLER( alpha68k_videoram_w );
WRITE16_HANDLER( alpha68k_II_video_bank_w );
WRITE16_HANDLER( alpha68k_V_video_control_w );
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