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Diffstat (limited to 'trunk/src/emu/debug/dvstate.h')
-rw-r--r-- | trunk/src/emu/debug/dvstate.h | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/trunk/src/emu/debug/dvstate.h b/trunk/src/emu/debug/dvstate.h new file mode 100644 index 00000000000..406ce2c35c6 --- /dev/null +++ b/trunk/src/emu/debug/dvstate.h @@ -0,0 +1,117 @@ +/********************************************************************* + + 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 |