update from master

plugins/Sid/resid/.gitignore

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+.vs
+out/
+CMakeSettings.json

plugins/Sid/resid/AUTHORS

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+Authors of reSID.
+
+Dag Lem: Designed and programmed complete emulation engine.

plugins/Sid/resid/CMakeLists_backup.txt

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+cmake_minimum_required(VERSION 3.0)
+project(resid)
+
+set(SRC_VER 0.16)
+set(MAJOR_VER 5)
+set(MINOR_VER 0)
+set(PATCH_VER 0)
+
+option(SIDPLAY_BUILD_SHARED "Build a dynamic library instead of static library" OFF)
+
+if (APPLE)
+  option(SIDPLAY_BUILD_FRAMEWORK "Build the library as a macOS framework" OFF)
+  option(SIDPLAY_BUILD_UNIVERSAL "Build the shared/framework library as a universal binary" ON)
+  if (SIDPLAY_BUILD_UNIVERSAL)
+    set(CMAKE_OSX_ARCHITECTURES "i386;x86_64")
+  endif()
+endif ()
+
+file(GLOB SOURCES *.cc)
+set(API_HEADERS envelope.h extfilt.h filter.h pot.h sid.h siddefs.h spline.h voice.h wave.h)
+
+if (SIDPLAY_BUILD_SHARED OR SIDPLAY_BUILD_FRAMEWORK)
+  add_library(${PROJECT_NAME} SHARED ${SOURCES} ${API_HEADERS})
+else()
+  add_library(${PROJECT_NAME} ${SOURCES} ${API_HEADERS})
+endif()
+
+if (WIN32 AND SIDPLAY_BUILD_SHARED)
+  target_compile_definitions(${PROJECT_NAME} PRIVATE RESID_DLL=1 RESID_EXPORTS=1)
+endif()
+
+set_target_properties(${PROJECT_NAME} PROPERTIES
+  VERSION ${SRC_VER}
+  SOVERSION ${MAJOR_VER}
+  CXX_STANDARD 11)
+
+target_include_directories(${PROJECT_NAME} PRIVATE
+  ${CMAKE_BINARY_DIR})
+
+if (APPLE AND SIDPLAY_BUILD_FRAMEWORK)
+  set_target_properties(${PROJECT_NAME} PROPERTIES
+    OUTPUT_NAME ${PROJECT_NAME}
+    FRAMEWORK TRUE
+    FRAMEWORK_VERSION C
+    MACOSX_FRAMEWORK_IDENTIFIER net.zimmers)
+  set_source_files_properties(${API_HEADERS} PROPERTIES
+    MACOSX_PACKAGE_LOCATION Headers)
+  set(CMAKE_OSX_DEPLOYMENT_TARGET "10.9")
+endif ()
+
+target_compile_definitions(${PROJECT_NAME} PRIVATE VERSION="${MAJOR_VER}.${MINOR_VER}.${PATCH_VER}")
+
+install(TARGETS ${PROJECT_NAME}
+  ARCHIVE DESTINATION lib
+  LIBRARY DESTINATION lib
+  RUNTIME DESTINATION bin
+  FRAMEWORK DESTINATION "/Library/Frameworks"
+  PUBLIC_HEADER DESTINATION include/${PROJECT_NAME})
+
+if (NOT APPLE OR NOT SIDPLAY_BUILD_FRAMEWORK)
+  install(FILES ${API_HEADERS} DESTINATION include/${PROJECT_NAME})
+endif ()

plugins/Sid/resid/ChangeLog

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+2004-06-11  Dag Lem  <[email protected]>
+
+	* Version 0.16 released.
+
+	* envelope.h (EnvelopeGenerator::clock): Corrected off-by-one
+	error in check for ADSR delay bug in delta_t cycle interface.
+
+	* filter.cc (Filter::set_chip_model): Initialize filter cutoff
+	mappings before call to set_chip_model.
+
+	* sid.cc (SID::set_sampling_parameters): Build shifted FIR tables
+	with samples according to the sampling frequency.
+	(SID::clock_resample_interpolate): New function; factorized linear
+	interpolation out from filter convolutions, and made convolutions
+	vectorizable.
+	(SID::clock_resample_fast): New function; single convolution, same
+	accuracy as with interpolation by using more filter tables.
+	(SID::State, SID::read_state, SID::write_state): Read and write
+	rate_counter_period and exponential_counter_period. Read sustain
+	value.
+
+2003-10-20  Dag Lem  <[email protected]>
+
+	* Version 0.15 released.
+
+	* envelope.h (EnvelopeGenerator): Added public State enum.
+	(EnvelopeGenerator::clock): Rate counter is 15 bits, count
+	rate_period - 1 after wrapping from 0x8000 to 0 in ADSR delay bug.
+
+	* sid.cc, sid.h (SID::State): Added envelope_state.
+	(SID::State::write_state): Restore register 0x18.
+	(SID::set_sampling_parameters): Scale resampling filter to avoid
+	clipping.
+	(SID::clock_resample): Saturated arithmetics to avoid clipping.
+
+2002-12-31  Dag Lem  <[email protected]>
+
+	* Version 0.14 released.
+
+	* envelope.h (EnvelopeGenerator::clock): Corrected one cycle error
+	in ADSR delay bug. Only load the exponential counter period at the
+	envelope counter values 255, 93, 54, 26, 14, 6, 0.
+
+	* filter.cc (Filter::set_chip_model): Call set_w0() and set_Q() to
+	update filter settings.
+	(Filter::set_w0): Limit cutoff frequency for both 1 cycle and
+	delta_t cycle filter.
+
+	* filter.h (Filter::clock): Mix in external audio input.
+
+	* sid.cc, sid.h (SID::input): New function; accepts external audio
+	input sample.
+
+	* spline.h (PointPlotter::operator ()): Clamp negative values to
+	zero.
+
+	* voice.cc, voice.h: Changed misleading name wave_DC to wave_zero.
+
+	* wave.h (WaveformGenerator::clock): Corrected bug in check for
+	accumulator bit 19 in noise register shift.
+
+2002-01-19  Dag Lem  <[email protected]>
+
+	* Version 0.13 released.
+
+	* configure.in: Replaced AC_TRY_COMPILER with AC_TRY_COMPILE,
+	removed AC_PROG_RANLIB.
+
+	* envelope.h (EnvelopeGenerator::clock): Reset rate_step on state
+	change.
+
+	* extfilt.cc (ExternalFilter::set_chip_model): New calculation of
+	maximum mixer DC level.
+
+	* filter.cc (Filter::set_chip_model): Moved calculation of
+	voice_DC to voice.cc, corrected calculation of mixer_DC.
+
+	* filter.h (Filter::output): Mixer output is not inverted.
+
+	* sid.cc (SID::set_chip_model): Call voice.set_chip_model instead
+	of voice.wave.set_chip_model.
+
+	* voice.cc (Voice::Voice): Call set_chip_model.
+	(Voice::set_chip_model): New function; model both waveform D/A
+	converter and envelope multiplying D/A converter DC offsets.
+
+	* voice.h (Voice::output): Add both waveform D/A converter and
+	envelope multiplying D/A converter DC offsets.
+
+	* wave.h (WaveformGenerator::output____): Reverted to output
+	minimum wave level when no waveform is selected. The maximum and
+	minimum wave output levels are interchanged in C= Hacking Issue	#20.
+
+2001-10-20  Dag Lem  <[email protected]>
+
+	* Version 0.12 released.
+
+	* envelope.cc, envelope.h, filter.cc, filter.h, wave.cc, wave.h:
+	Removed bool usage. This avoids unnecessary conversion to 1/0.
+
+	* filter.cc (Filter::set_chip_model): New function; selects voice
+	and mixer DC offsets and mapping from the FC registers to filter
+	cutoff frequency. The voice and mixer DC offsets for the MOS6581 are
+	calculated from	measurements made by H�rsfalvi, Levente in
+	C= Hacking Issue #20.
+	(Filter::Filter): Call set_chip_model.
+	(Filter::f0_6581, Filter::f0_8580): Separate FC mapping tables.
+	(Filter::f0_points_6581, Filter::f0_points_8580): Separate FC mapping
+	points.
+
+	* extfilt.cc, extfilt.h (ExternalFilter::set_chip_model): New
+	function supporting separate DC correction for MOS6581 and MOS8580.
+
+	* sid.cc, sid.h (SID::adjust_sampling_frequency): New function for
+	on-the-fly adjustment of sampling frequency.
+	(SID::clock_fast): Corrected sample calculation.
+	(SID::set_chip_model): Set filter chip model.
+	(SID::output): Added audio clipping.
+	(SID::clock, SID::clock_fast, SID::clock_interpolate,
+	SID::clock_resample): Added sample interleaving.
+
+	* spline.h (interpolate): Generalized to accept repeated points to
+	introduce points of non-differentiability and discontinuity.
+
+	* wave.h (WaveformGenerator::output____): No selected waveform
+	yields maximum wave output level. This was found by H�rsfalvi,
+	Levente in C= Hacking Issue #20.
+	(WaveformGenerator::clock): Optimized for speed (no division).
+
+2001-03-10  Dag Lem  <[email protected]>
+
+	* Version 0.11 released.
+
+	* configure.in: Disable building of shared library by default.
+	Control inlining with RESID_INLINING (0 or 1) and RESID_INLINE
+	(blank or "inline").
+
+	* envelope.h, extfilt.h, filter.h, voice.h, wave.h: inline keyword
+	in both function declarations and function definitions.
+
+	* samp2src.pl: Beautified Perl code.
+
+	* sid.h, sid.cc: Replaced voice variables with array. Removed
+	filter variables from SID::State.
+	(SID::clock): New audio sample generating interface. Three
+	clocking methods are available; clocking at output sample
+	frequency, clocking at cycle frequency with linear sample
+	interpolation, and clocking at cycle frequency with audio
+	resampling.
+	(SID::clock_fast, SID::clock_interpolate, SID::clock_resample):
+	New functions called by SID::clock.
+	(SID::set_sampling_parameters): New function to set up SID for
+	sample generation. The FIR table used in SID::clock_resample is
+	calculated here.
+	(SID::I0): 0th order modified Bessel function to calculate Kaiser
+	window.
+
+	* siddefs.h: Control inlining with RESID_INLINING (0 or 1) and
+	RESID_INLINE (blank or "inline"). Added enum sampling_method.
+
+	* voice.h, voice.cc (Voice::set_sync_source): Moved setting of
+	sync source from constructor.
+
+	* wave.h, wave.cc (WaveformGenerator::set_sync_source): Moved
+	setting of sync source from constructor.
+
+2000-11-22  Dag Lem  <[email protected]>
+
+	* Version 0.10 released.
+
+	* configure.in, Makefile.am: Use libtool to build library. The
+	hack to "disable" install is removed.
+
+	* extfilt.h, filter.h: Moved filter stability code from sid.cc.
+
+	* sid.cc (SID::clock): Moved filter stability code to
+	extfilt.h/filter.h. Don't clock the rest of the chip more
+	frequently than necessary.
+
+	* wave.cc: Typecast for pedantic (and probably incorrect)
+	compilers.
+
+2000-05-18  Dag Lem  <[email protected]>
+
+	* Version 0.9 released.
+
+	* filter.h (Filter::output): The sum of the filter outputs is no
+	longer weighted.
+
+1999-06-24  Dag Lem  <[email protected]>
+
+	* Version 0.8 released.
+
+	* filter.h, filter.cc, wave.h, wave.cc: Typecasts for pedantic
+	compilers.
+
+	* filter.h (Filter::clock): Voice 3 is only silenced by voice3off
+	if it is not routed through the filter.
+
+	* sid.cc (SID::State): Added constructor for proper initalization.
+
+	* spline.h: Inlined template functions to avoid problems at link
+	time with certain compilers.
+
+1999-02-25  Dag Lem  <[email protected]>
+
+	* Version 0.7 released.
+
+	* configure.in: Check whether compiler supports bool.
+
+	* extfilt.h, extfilt.cc: Implementation of C64 filter, external to
+	the SID chip.
+
+	* filter.h (Filter::clock): Optimized filter routing using a switch.
+	(Filter::output): Optimized filter mixing using a switch, avoiding
+	integer division. Corrected sign of filtered output, which is
+	inverted compared to unfiltered output.
+
+	* filter.cc (Filter::set_w0): Removed use of M_PI and math.h
+	functions. Use spline table to map fc to w0.
+	(Filter::fc_default): Return array of FC spline interpolation points.
+	(Filter::fc_plotter): Return FC spline plotter object.
+
+	* sid.h (SID::enable_external_filter): Enable/disable external
+	filter.
+	(SID::fc_default): Return array of FC spline interpolation points.
+	(SID::fc_plotter): Return FC spline plotter object.
+	(SID::State, SID::read_state, SID::write_state): Read and write
+	complete SID state.
+
+	* sid.cc (SID::clock): Age bus value. Clock external filter.
+	(SID::enable_external_filter): Enable/disable external filter.
+
+	* spline.h: Spline implementation. Used to specify mapping from
+	the FC register to filter cutoff frequency.
+
+1998-11-14  Dag Lem  <[email protected]>
+
+	* Version 0.6 released.
+
+	* configure.in: Allow compilation in a separate directory.
+
+	* wave.h (WaveformGenerator::synchronize): Handle special case when a
+	sync source is synced itself on the same cycle as its MSB is set
+	high.
+
+	* sid.cc (SID::clock): Only clock on MSB on/off for hard sync.
+
+1998-09-06  Dag Lem  <[email protected]>
+
+	* Version 0.5 released.
+
+	* version.cc (resid_version_string): Version string with C linkage.
+
+	* wave.cc (WaveformGenerator::set_chip_model): Emulation of MOS8580
+	combined waveforms.
+
+1998-08-28  Dag Lem  <[email protected]>
+
+	* Version 0.4 released.
+
+	* envelope.h (EnvelopeGenerator::clock): Count up to rate_period twice
+	during ADSR delay bug, and add one extra rate counter step.
+
+	* filter.cc (Filter::bsd_copysign): Renamed copysign function for
+	compilation on platforms where copysign is implemented as a macro.
+
+1998-08-23  Dag Lem  <[email protected]>
+
+	* Version 0.3 released.
+
+	* envelope.h (EnvelopeGenerator::clock): Handle ADSR boundary bug.
+
+	* envelope.cc (EnvelopeGenerator::rate_counter_period,
+	EnvelopeGenerator::exponential_counter_period): Corrected counter
+	periods.
+
+	* filter.h (Filter::clock): Optimized for speed (division by shifting).
+
+	* sid.h (SID::clock): New one-cycle optimized overload of the clock()
+	function.
+
+	* wave.h (WaveformGenerator::output_P_T): Combined waveform
+	pulse+triangle indexing corrected.
+	(WaveformGenerator::output_P__): Check for test bit to handle
+	pulse+test bit samples.
+	(WaveformGenerator::output): Optimized for speed (inlining).
+
+1998-07-28  Dag Lem  <[email protected]>
+
+	* Version 0.2 released.
+
+	* envelope.h (EnvelopeGenerator::clock): Start decay cycle immediately
+	at envelope counter 0xff. New sustain value is zero if the sustain
+	level is raised above the current envelope counter value.
+	(EnvelopeGenerator::step_envelope): Handle ADSR delay bug.
+
+	* envelope.cc (EnvelopeGenerator::rate_counter_period,
+	EnvelopeGenerator::exponential_counter_period): Corrected counter
+	periods.
+	(EnvelopeGenerator::writeCONTROL_REG): Do not modify rate counter.
+
+	* filter.cc (Filter::set_Q): Constrain Q to keep filter stable.
+
+	* sid.h (SID::read, SID::write, SID::bypass_filter): Simplified API
+	routing register access through the SID class.
+
+	* sid.cc (SID::output): Corrected variable-bit audio output return.
+	(SID::read, SID::write): Allow read of write only registers.
+
+1998-06-09  Dag Lem  <[email protected]>
+
+	* Version 0.1 released.

plugins/Sid/resid/INSTALL

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+Building requires the CMake build system (version 3.0 or later).
+
+Most Unix-style systems:
+
+mkdir resid-build
+cmake ../resid
+make
+sudo make install