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// license:BSD-3-Clause
// copyright-holders:Aaron Giles
/*********************************************************************
dvstate.h
State debugger view.
***************************************************************************/
#ifndef __DVSTATE_H__
#define __DVSTATE_H__
#include "debugvw.h"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// data sources for state views
class debug_view_state_source : public debug_view_source
{
friend class debug_view_state;
// construction/destruction
debug_view_state_source(const char *name, device_t &device);
public:
// getters
device_t &device() const { return m_device; }
private:
// internal state
device_t & m_device; // underlying device
device_state_interface *m_stateintf; // state interface
device_execute_interface *m_execintf; // execution interface
};
// debug view for state
class debug_view_state : public debug_view
{
friend resource_pool_object<debug_view_state>::~resource_pool_object();
friend class debug_view_manager;
// construction/destruction
debug_view_state(running_machine &machine, debug_view_osd_update_func osdupdate, void *osdprivate);
virtual ~debug_view_state();
protected:
// view overrides
virtual void view_update();
virtual void view_notify(debug_view_notification type);
private:
struct state_item
{
state_item(int index, const char *name, UINT8 valuechars);
state_item * m_next; // next item
UINT64 m_lastval; // last value
UINT64 m_currval; // current value
int m_index; // index
UINT8 m_vallen; // number of value chars
astring m_symbol; // symbol
};
// internal helpers
void enumerate_sources();
void reset();
void recompute();
// internal state
int m_divider; // dividing column
UINT64 m_last_update; // execution counter at last update
state_item * m_state_list; // state data
// constants
static const int REG_DIVIDER = -10;
static const int REG_CYCLES = -11;
static const int REG_BEAMX = -12;
static const int REG_BEAMY = -13;
static const int REG_FRAME = -14;
};
#endif
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