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/*************************************************************************
Atari I, Robot hardware
*************************************************************************/
#define IR_TIMING 1 /* try to emulate MB and VG running time */
typedef struct irmb_ops
{
const struct irmb_ops *nxtop;
UINT32 func;
UINT32 diradd;
UINT32 latchmask;
UINT32 *areg;
UINT32 *breg;
UINT8 cycles;
UINT8 diren;
UINT8 flags;
UINT8 ramsel;
} irmb_ops;
class irobot_state : public driver_device
{
public:
irobot_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_nvram(*this, "nvram") ,
m_videoram(*this, "videoram"){ }
required_shared_ptr<UINT8> m_nvram;
required_shared_ptr<UINT8> m_videoram;
UINT8 m_vg_clear;
UINT8 m_bufsel;
UINT8 m_alphamap;
UINT8 *m_combase;
UINT8 m_irvg_vblank;
UINT8 m_irvg_running;
UINT8 m_irmb_running;
#if IR_TIMING
timer_device *m_irvg_timer;
timer_device *m_irmb_timer;
#endif
UINT8 *m_comRAM[2];
UINT8 *m_mbRAM;
UINT8 *m_mbROM;
UINT8 m_control_num;
UINT8 m_statwr;
UINT8 m_out0;
UINT8 m_outx;
UINT8 m_mpage;
UINT8 *m_combase_mb;
irmb_ops *m_mbops;
const irmb_ops *m_irmb_stack[16];
UINT32 m_irmb_regs[16];
UINT32 m_irmb_latch;
UINT8 *m_polybitmap1;
UINT8 *m_polybitmap2;
int m_ir_xmin;
int m_ir_ymin;
int m_ir_xmax;
int m_ir_ymax;
DECLARE_WRITE8_MEMBER(irobot_nvram_w);
DECLARE_WRITE8_MEMBER(irobot_clearirq_w);
DECLARE_WRITE8_MEMBER(irobot_clearfirq_w);
DECLARE_READ8_MEMBER(irobot_sharedmem_r);
DECLARE_WRITE8_MEMBER(irobot_sharedmem_w);
DECLARE_WRITE8_MEMBER(irobot_statwr_w);
DECLARE_WRITE8_MEMBER(irobot_out0_w);
DECLARE_WRITE8_MEMBER(irobot_rom_banksel_w);
DECLARE_WRITE8_MEMBER(irobot_control_w);
DECLARE_READ8_MEMBER(irobot_control_r);
DECLARE_READ8_MEMBER(irobot_status_r);
DECLARE_WRITE8_MEMBER(irobot_paletteram_w);
DECLARE_DRIVER_INIT(irobot);
};
/*----------- defined in machine/irobot.c -----------*/
MACHINE_RESET( irobot );
TIMER_DEVICE_CALLBACK( irobot_irvg_done_callback );
TIMER_DEVICE_CALLBACK( irobot_irmb_done_callback );
/*----------- defined in video/irobot.c -----------*/
PALETTE_INIT( irobot );
VIDEO_START( irobot );
SCREEN_UPDATE_IND16( irobot );
void irobot_poly_clear(running_machine &machine);
void irobot_run_video(running_machine &machine);
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