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/*********************************************************************
dvstate.h
State debugger view.
****************************************************************************
Copyright Aaron Giles
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
* Neither the name 'MAME' nor the names of its contributors may be
used to endorse or promote products derived from this software
without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY AARON GILES ''AS IS'' AND ANY EXPRESS OR
IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL AARON GILES BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.
***************************************************************************/
#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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