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Diffstat (limited to 'sid/sidplay-libs-2.1.0/resid/ChangeLog')
| -rw-r--r-- | sid/sidplay-libs-2.1.0/resid/ChangeLog | 251 |
1 files changed, 251 insertions, 0 deletions
diff --git a/sid/sidplay-libs-2.1.0/resid/ChangeLog b/sid/sidplay-libs-2.1.0/resid/ChangeLog new file mode 100644 index 00000000..c1735aaf --- /dev/null +++ b/sid/sidplay-libs-2.1.0/resid/ChangeLog @@ -0,0 +1,251 @@ +2002-01-19 Dag Lem <resid@nimrod.no> + + * Version 0.13 released. + + * configure.in: Replaced AC_TRY_COMPILER with AC_TRY_COMPILE, + removed AC_PROG_RANLIB. + + * envelope.h (clock): Reset rate_step on state change. + + * extfilt.cc (set_chip_model): New calculation of maximum mixer DC + level. + + * filter.cc (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 (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 <resid@nimrod.no> + + * 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 Hársfalvi, 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 Hársfalvi, + Levente in C= Hacking Issue #20. + (WaveformGenerator::clock): Optimized for speed (no division). + +2001-03-10 Dag Lem <resid@nimrod.no> + + * 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 <resid@nimrod.no> + + * 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 <resid@nimrod.no> + + * Version 0.9 released. + + * filter.h (Filter::output): The sum of the filter outputs is no + longer weighted. + +1999-06-24 Dag Lem <resid@nimrod.no> + + * 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 <resid@nimrod.no> + + * 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 <resid@nimrod.no> + + * 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 <resid@nimrod.no> + + * 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 <resid@nimrod.no> + + * 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 <resid@nimrod.no> + + * 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 <resid@nimrod.no> + + * 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 <resid@nimrod.no> + + * Version 0.1 released. |