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/*************************************************************************
Sega Z80-3D system
*************************************************************************/
#include "sound/discrete.h"
/* sprites are scaled in the analog domain; to give a better */
/* rendition of this, we scale in the X direction by this factor */
#define TURBO_X_SCALE 2
struct i8279_state
{
UINT8 command;
UINT8 mode;
UINT8 prescale;
UINT8 inhibit;
UINT8 clear;
UINT8 ram[16];
};
class turbo_state : public driver_device
{
public:
turbo_state(running_machine &machine, const driver_device_config_base &config)
: driver_device(machine, config) { }
/* memory pointers */
UINT8 * m_videoram;
UINT8 * m_spriteram;
UINT8 * m_sprite_position;
UINT8 * m_buckrog_bitmap_ram;
/* machine states */
i8279_state m_i8279;
/* sound state */
UINT8 m_turbo_osel;
UINT8 m_turbo_bsel;
UINT8 m_sound_state[3];
/* video state */
tilemap_t * m_fg_tilemap;
/* Turbo-specific states */
UINT8 m_turbo_opa;
UINT8 m_turbo_opb;
UINT8 m_turbo_opc;
UINT8 m_turbo_ipa;
UINT8 m_turbo_ipb;
UINT8 m_turbo_ipc;
UINT8 m_turbo_fbpla;
UINT8 m_turbo_fbcol;
UINT8 m_turbo_speed;
UINT8 m_turbo_collision;
UINT8 m_turbo_last_analog;
UINT8 m_turbo_accel;
/* Subroc-specific states */
UINT8 m_subroc3d_col;
UINT8 m_subroc3d_ply;
UINT8 m_subroc3d_flip;
UINT8 m_subroc3d_mdis;
UINT8 m_subroc3d_mdir;
UINT8 m_subroc3d_tdis;
UINT8 m_subroc3d_tdir;
UINT8 m_subroc3d_fdis;
UINT8 m_subroc3d_fdir;
UINT8 m_subroc3d_hdis;
UINT8 m_subroc3d_hdir;
/* Buck Rogers-specific states */
UINT8 m_buckrog_fchg;
UINT8 m_buckrog_mov;
UINT8 m_buckrog_obch;
UINT8 m_buckrog_command;
UINT8 m_buckrog_myship;
int m_last_sound_a;
};
/*----------- defined in audio/turbo.c -----------*/
MACHINE_CONFIG_EXTERN( turbo_samples );
MACHINE_CONFIG_EXTERN( subroc3d_samples );
MACHINE_CONFIG_EXTERN( buckrog_samples );
WRITE8_DEVICE_HANDLER( turbo_sound_a_w );
WRITE8_DEVICE_HANDLER( turbo_sound_b_w );
WRITE8_DEVICE_HANDLER( turbo_sound_c_w );
WRITE8_DEVICE_HANDLER( subroc3d_sound_a_w );
WRITE8_DEVICE_HANDLER( subroc3d_sound_b_w );
WRITE8_DEVICE_HANDLER( subroc3d_sound_c_w );
WRITE8_DEVICE_HANDLER( buckrog_sound_a_w );
WRITE8_DEVICE_HANDLER( buckrog_sound_b_w );
/*----------- defined in video/turbo.c -----------*/
PALETTE_INIT( turbo );
VIDEO_START( turbo );
SCREEN_UPDATE( turbo );
PALETTE_INIT( subroc3d );
SCREEN_UPDATE( subroc3d );
PALETTE_INIT( buckrog );
VIDEO_START( buckrog );
SCREEN_UPDATE( buckrog );
WRITE8_HANDLER( turbo_videoram_w );
WRITE8_HANDLER( buckrog_bitmap_w );
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