mame/src/emu/debug/dvstate.h

122 lines
3.7 KiB
C++

// license:BSD-3-Clause
// copyright-holders:Aaron Giles
/*********************************************************************
dvstate.h
State debugger view.
***************************************************************************/
#ifndef MAME_EMU_DEBUG_DVSTATE_H
#define MAME_EMU_DEBUG_DVSTATE_H
#pragma once
#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);
private:
// internal state
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 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() override;
virtual void view_notify(debug_view_notification type) override;
private:
class state_item
{
public:
state_item(int index, const char *name, u8 valuechars);
state_item(const state_item &) = default;
state_item(state_item &&) = default;
state_item &operator=(const state_item &) = default;
state_item &operator=(state_item &&) = default;
u64 value() const { return m_currval; }
bool changed() const { return m_lastval != m_currval; }
int index() const { return m_index; }
u8 value_length() const { return m_vallen; }
void update(u64 newval, bool save);
private:
u64 m_lastval; // last value
u64 m_currval; // current value
int m_index; // index
u8 m_vallen; // number of value chars
public:
std::string m_symbol; // symbol
};
// internal helpers
void enumerate_sources();
void reset();
void recompute();
// internal state
int m_divider; // dividing column
u64 m_last_update; // execution counter at last update
std::vector<state_item> m_state_list; // state data
// constants
static constexpr int REG_DIVIDER = -10;
static constexpr int REG_CYCLES = -11;
static constexpr int REG_BEAMX = -12;
static constexpr int REG_BEAMX_S0 = -12;
static constexpr int REG_BEAMX_S1 = -13;
static constexpr int REG_BEAMX_S2 = -14;
static constexpr int REG_BEAMX_S3 = -15;
static constexpr int REG_BEAMX_S4 = -16;
static constexpr int REG_BEAMX_S5 = -17;
static constexpr int REG_BEAMX_S6 = -18;
static constexpr int REG_BEAMX_S7 = -19;
static constexpr int REG_BEAMY = -20;
static constexpr int REG_BEAMY_S0 = -20;
static constexpr int REG_BEAMY_S1 = -21;
static constexpr int REG_BEAMY_S2 = -22;
static constexpr int REG_BEAMY_S3 = -23;
static constexpr int REG_BEAMY_S4 = -24;
static constexpr int REG_BEAMY_S5 = -25;
static constexpr int REG_BEAMY_S6 = -26;
static constexpr int REG_BEAMY_S7 = -27;
static constexpr int REG_FRAME = -28;
static constexpr int REG_FRAME_S0 = -28;
static constexpr int REG_FRAME_S1 = -29;
static constexpr int REG_FRAME_S2 = -30;
static constexpr int REG_FRAME_S3 = -31;
static constexpr int REG_FRAME_S4 = -32;
static constexpr int REG_FRAME_S5 = -33;
static constexpr int REG_FRAME_S6 = -34;
static constexpr int REG_FRAME_S7 = -35;
};
#endif // MAME_EMU_DEBUG_DVSTATE_H