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/***************************************************************************
devfind.c
Device finding template helpers.
****************************************************************************
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.
***************************************************************************/
#include "emu.h"
//**************************************************************************
// BASE FINDER CLASS
//**************************************************************************
//-------------------------------------------------
// finder_base - constructor
//-------------------------------------------------
finder_base::finder_base(device_t &base, const char *tag)
: m_next(base.register_auto_finder(*this)),
m_base(base),
m_tag(tag)
{
}
//-------------------------------------------------
// ~finder_base - destructor
//-------------------------------------------------
finder_base::~finder_base()
{
}
//-------------------------------------------------
// find_memory - find memory
//-------------------------------------------------
void *finder_base::find_memory(UINT8 width, size_t &bytes, bool required)
{
// look up the share and return NULL if not found
memory_share *share = m_base.memshare(m_tag);
if (share == NULL)
return NULL;
// check the width and warn if not correct
if (width != 0 && share->width() != width)
{
if (required)
mame_printf_warning("Shared ptr '%s' found but is width %d, not %d as requested\n", m_tag, share->width(), width);
return NULL;
}
// return results
bytes = share->bytes();
return share->ptr();
}
//-------------------------------------------------
// report_missing - report missing objects and
// return true if it's ok
//-------------------------------------------------
bool finder_base::report_missing(bool found, const char *objname, bool required)
{
// just pass through in the found case
if (found)
return true;
// otherwise, report
if (required)
mame_printf_error("Required %s '%s' not found\n", objname, m_tag);
else
mame_printf_verbose("Optional %s '%s' not found\n", objname, m_tag);
return !required;
}
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