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/***************************************************************************
resid-builder.cpp - ReSID builder class for creating/controlling
resids.
-------------------
begin : Wed Sep 5 2001
copyright : (C) 2001 by Simon White
email : s_a_white@email.com
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
/***************************************************************************
* $Log: resid-builder.cpp,v $
* Revision 1.6 2002/10/17 18:45:31 s_a_white
* Exit unlock function early once correct sid is found.
*
* Revision 1.5 2002/03/04 19:06:38 s_a_white
* Fix C++ use of nothrow.
*
* Revision 1.4 2002/01/29 21:58:28 s_a_white
* Moved out sid emulation to a private header file.
*
* Revision 1.3 2001/12/11 19:33:18 s_a_white
* More GCC3 Fixes.
*
* Revision 1.2 2001/12/09 10:53:50 s_a_white
* Added exporting of credits.
*
* Revision 1.1.1.1 2001/11/25 15:03:20 s_a_white
* Initial Release
*
***************************************************************************/
#include <stdio.h>
#include <cstring>
#include "config.h"
#ifdef HAVE_EXCEPTIONS
# include <new>
#endif
#include "resid.h"
#include "resid-emu.h"
// Error String(s)
const char *ReSIDBuilder::ERR_FILTER_DEFINITION = "RESID ERROR: Filter definition is not valid (see docs).";
ReSIDBuilder::ReSIDBuilder (const char * const name)
:sidbuilder (name)
{
m_error = "N/A";
}
ReSIDBuilder::~ReSIDBuilder (void)
{ // Remove all are SID emulations
remove ();
}
// Create a new sid emulation. Called by libsidplay2 only
uint ReSIDBuilder::create (uint sids)
{
uint count;
ReSID *sid = NULL;
m_status = true;
// Check available devices
count = devices (false);
if (!m_status)
goto ReSIDBuilder_create_error;
if (count && (count < sids))
sids = count;
for (count = 0; count < sids; count++)
{
# ifdef HAVE_EXCEPTIONS
sid = new(std::nothrow) ReSID(this);
# else
sid = new ReSID(this);
# endif
// Memory alloc failed?
if (!sid)
{
sprintf (m_errorBuffer, "%s ERROR: Unable to create ReSID object", name ());
m_error = m_errorBuffer;
goto ReSIDBuilder_create_error;
}
// SID init failed?
if (!*sid)
{
m_error = sid->error ();
goto ReSIDBuilder_create_error;
}
sidobjs.push_back (sid);
}
return count;
ReSIDBuilder_create_error:
m_status = false;
if (sid)
delete sid;
return count;
}
const char *ReSIDBuilder::credits ()
{
m_status = true;
// Available devices
if (sidobjs.size ())
{
ReSID *sid = (ReSID *) sidobjs[0];
return sid->credits ();
}
{ // Create an emulation to obtain credits
ReSID sid(this);
if (!sid)
{
m_status = false;
strcpy (m_errorBuffer, sid.error ());
return 0;
}
return sid.credits ();
}
}
uint ReSIDBuilder::devices (bool created)
{
m_status = true;
if (created)
return sidobjs.size ();
else // Available devices
return 0;
}
void ReSIDBuilder::filter (const sid_filter_t *filter)
{
int size = sidobjs.size ();
m_status = true;
for (int i = 0; i < size; i++)
{
ReSID *sid = (ReSID *) sidobjs[i];
if (!sid->filter (filter))
goto ReSIDBuilder_sidFilterDef_error;
}
return;
ReSIDBuilder_sidFilterDef_error:
m_error = ERR_FILTER_DEFINITION;
m_status = false;
}
void ReSIDBuilder::filter (bool enable)
{
int size = sidobjs.size ();
m_status = true;
for (int i = 0; i < size; i++)
{
ReSID *sid = (ReSID *) sidobjs[i];
sid->filter (enable);
}
}
// Find a free SID of the required specs
sidemu *ReSIDBuilder::lock (c64env *env, sid2_model_t model)
{
int size = sidobjs.size ();
m_status = true;
for (int i = 0; i < size; i++)
{
ReSID *sid = (ReSID *) sidobjs[i];
if (sid->lock (env))
{
sid->model (model);
return sid;
}
}
// Unable to locate free SID
m_status = false;
sprintf (m_errorBuffer, "%s ERROR: No available SIDs to lock", name ());
return NULL;
}
// Allow something to use this SID
void ReSIDBuilder::unlock (sidemu *device)
{
int size = sidobjs.size ();
// Maek sure this is our SID
for (int i = 0; i < size; i++)
{
ReSID *sid = (ReSID *) sidobjs[i];
if (sid == device)
{ // Unlock it
sid->lock (NULL);
break;
}
}
}
// Remove all SID emulations.
void ReSIDBuilder::remove ()
{
int size = sidobjs.size ();
for (int i = 0; i < size; i++)
delete sidobjs[i];
sidobjs.clear();
}
void ReSIDBuilder::sampling (uint_least32_t freq)
{
int size = sidobjs.size ();
m_status = true;
for (int i = 0; i < size; i++)
{
ReSID *sid = (ReSID *) sidobjs[i];
sid->sampling (freq);
}
}
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