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Diffstat (limited to 'sid/sidplay-libs-2.1.0/builders/resid-builder/src/resid-builder.cpp')
| -rw-r--r-- | sid/sidplay-libs-2.1.0/builders/resid-builder/src/resid-builder.cpp | 227 |
1 files changed, 227 insertions, 0 deletions
diff --git a/sid/sidplay-libs-2.1.0/builders/resid-builder/src/resid-builder.cpp b/sid/sidplay-libs-2.1.0/builders/resid-builder/src/resid-builder.cpp new file mode 100644 index 00000000..4c7650f6 --- /dev/null +++ b/sid/sidplay-libs-2.1.0/builders/resid-builder/src/resid-builder.cpp @@ -0,0 +1,227 @@ +/*************************************************************************** + 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); + } +} |