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#include "video/segaic24.h"
class segas24_state : public driver_device
{
public:
segas24_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag) { }
static const UINT8 mahmajn_mlt[8];
static const UINT8 mahmajn2_mlt[8];
static const UINT8 qgh_mlt[8];
static const UINT8 bnzabros_mlt[8];
static const UINT8 qrouka_mlt[8];
static const UINT8 quizmeku_mlt[8];
static const UINT8 dcclub_mlt[8];
int fdc_status;
int fdc_track;
int fdc_sector;
int fdc_data;
int fdc_phys_track;
int fdc_irq;
int fdc_drq;
int fdc_span;
int fdc_index_count;
UINT8 *fdc_pt;
int track_size;
int cur_input_line;
UINT8 hotrod_ctrl_cur;
UINT8 resetcontrol;
UINT8 prev_resetcontrol;
UINT8 curbank;
UINT8 mlatch;
const UINT8 *mlatch_table;
UINT16 irq_tdata, irq_tval;
UINT8 irq_tmode, irq_allow0, irq_allow1;
int irq_timer_pend0;
int irq_timer_pend1;
int irq_yms;
int irq_vblank;
int irq_sprite;
attotime irq_synctime, irq_vsynctime;
timer_device *irq_timer;
timer_device *irq_timer_clear;
//timer_device *irq_frc;
timer_device *frc_cnt_timer;
UINT8 frc_mode;
UINT16 *shared_ram;
UINT8 (segas24_state::*io_r)(UINT8 port);
void (segas24_state::*io_w)(UINT8 port, UINT8 data);
UINT8 io_cnt, io_dir;
segas24_tile *vtile;
segas24_sprite *vsprite;
segas24_mixer *vmixer;
DECLARE_READ16_MEMBER( sys16_paletteram_r );
DECLARE_WRITE16_MEMBER( sys16_paletteram_w );
DECLARE_READ16_MEMBER( irq_r );
DECLARE_WRITE16_MEMBER( irq_w );
DECLARE_READ16_MEMBER( fdc_r );
DECLARE_WRITE16_MEMBER( fdc_w );
DECLARE_READ16_MEMBER( fdc_status_r );
DECLARE_WRITE16_MEMBER( fdc_ctrl_w );
DECLARE_READ16_MEMBER( curbank_r );
DECLARE_WRITE16_MEMBER( curbank_w );
DECLARE_READ8_MEMBER( frc_mode_r );
DECLARE_WRITE8_MEMBER( frc_mode_w );
DECLARE_READ8_MEMBER( frc_r );
DECLARE_WRITE8_MEMBER( frc_w );
DECLARE_READ16_MEMBER( mlatch_r );
DECLARE_WRITE16_MEMBER( mlatch_w );
DECLARE_READ16_MEMBER( hotrod3_ctrl_r );
DECLARE_WRITE16_MEMBER( hotrod3_ctrl_w );
DECLARE_READ16_MEMBER( iod_r );
DECLARE_WRITE16_MEMBER( iod_w );
DECLARE_READ16_MEMBER ( sys16_io_r );
DECLARE_WRITE16_MEMBER( sys16_io_w );
UINT8 hotrod_io_r(UINT8 port);
UINT8 dcclub_io_r(UINT8 port);
UINT8 mahmajn_io_r(UINT8 port);
void hotrod_io_w(UINT8 port, UINT8 data);
void mahmajn_io_w(UINT8 port, UINT8 data);
void fdc_init();
void reset_reset();
void reset_bank();
void irq_init();
void irq_timer_sync();
void irq_timer_start(int old_tmode);
void reset_control_w(UINT8 data);
DECLARE_DRIVER_INIT(crkdown);
DECLARE_DRIVER_INIT(quizmeku);
DECLARE_DRIVER_INIT(qrouka);
DECLARE_DRIVER_INIT(roughrac);
DECLARE_DRIVER_INIT(qgh);
DECLARE_DRIVER_INIT(gground);
DECLARE_DRIVER_INIT(mahmajn2);
DECLARE_DRIVER_INIT(sspiritj);
DECLARE_DRIVER_INIT(mahmajn);
DECLARE_DRIVER_INIT(hotrod);
DECLARE_DRIVER_INIT(sspirits);
DECLARE_DRIVER_INIT(dcclub);
DECLARE_DRIVER_INIT(bnzabros);
DECLARE_DRIVER_INIT(dcclubfd);
DECLARE_DRIVER_INIT(qsww);
DECLARE_DRIVER_INIT(sgmast);
virtual void machine_start();
virtual void machine_reset();
};
/*----------- defined in video/segas24.c -----------*/
SCREEN_UPDATE_IND16(system24);
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