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SIDPLAYFP(1)			 User Programs			  SIDPLAYFP(1)

NAME
       sidplayfp - a C64 and SID chip emulator for playing Commodore 64	music.

SYNOPSIS
       sidplayfp [OPTIONS] datafile

DESCRIPTION
       Sidplayfp is a music player that	emulates various components from a
       Commodore 64 (C64) computer.  The result	is a program which can load
       and execute C64 machine code programs which produce music and sound.
       Sidplayfp has been designed for accuracy	which results in a quite high
       cpu usage.  Additional playback modes have however been provided	to
       allow playback on low specification machines at the cost	of accuracy.

OPTIONS
       -h, --help
	   Display help.

       -h, --help-debug
	   Display additional options helpful for debugging.

       -f<num>
	   Set audio output frequency in Hz (default: 48000).

       -nf No  filter emulation.  This will reduce CPU overhead	at the cost of
	   reduced emulation quality.

       -s  Stereo playback.  If	the tune is identified as stereo  then	sid  1
	   and	2  become the left and right channels respectively.  For three
	   sid tunes the chips are mixed as left, center and right.

       -m  Mono	playback.

       -v|q[level]
	   Verbose or quiet (no	time display) console  output  while  playing.
	   Can include an optional level, defaults to 1.

       -b<num>
	   Set	start  time  in	 [mins:]secs[.milli]  format  (compatible with
	   sid2wav).

       -ds<addr>
	   Force dual sid environment by adding	a  second  chip	 at  specified
	   address.   This forces emulation of 2 sid-chips for stereo playback
	   even	if datafile is identified as only being	mono.  This occurs  in
	   the	case  of the stereo prg	format as currently there is no	way to
	   identify them.  Stereo MUS and SID files are	however	 automatically
	   detected.   The second sid may be installed in the 0xD420-0xD7FF or
	   0xDE00-0xDFFF  address  range.   Address  may   be	specified   in
	   exadecimal (e.g -ds0xd420) or decimal (e.g.	-ds54304) format.

       -ts<addr>
	   Add a third chip at specified address.  The sid may be installed in
	   the	0xD420-0xD7FF or 0xDE00-0xDFFF address range.  Address may  be
	   specified in	exadecimal (e.g	-ts0xd440) or decimal (e.g.  -ts54336)
	   format.

       -u<num>
	   Mute	a channel.  May	be used	more than one time.  Channel  1	 to  3
	   are	for  the first SID chip	while channels from 4 to 6 are for the
	   second one and 7 to 9 for the third.

       -g<num>
	   Mute	samples.  May be used more than	one time, 1 for	the first SID,
	   2 for the second one	and 3 for the third.

       -p<num>
	   Set bit precision for file saving. The default is 16	to  create  16
	   bit	signed	samples,  but  can  be set to 32 (32 bit float). Other
	   values will cause invalid output.

       -o<num>
	   Select start	track number (default: preset).

       -o<l|s> [num]
	   Option 'l' will select continuous track looping while 's' will play
	   only	the current track ignoring the others.	 The  options  can  be
	   combined  and  may  include	the  track  selection.	 The following
	   variations  are  possible:  -ol<num>:  will	loop  selected	 track
	   allowing  moving to another one; -os<num>: will play	selected track
	   and then stop; -ols<num>: will loop selected	track;

       -t<num>
	   Set play length in [mins:]secs[.milli] format (0 is endless).

       -v<n|p>[f]
	   Set VIC clock speed.	 'n' is	NTSC (America, 60Hz) and  'p'  is  PAL
	   (Europe,  50Hz).   Providing	 an 'f'	will prevent speed fixing that
	   tries  to  compensate  automatically	 for  the  speed   difference.
	   Removing  speed  fixing  simulates  what  happens  on  a  real C64.
	   Options can be written as: -vnf or -vn -vf.

       -m<o|n>[f]
	   Set SID chip	model.	'o' is the old 6581 and	'n' is the  new	 8580.
	   Providing  an  'f' will force the selected model overriding the one
	   specified by	the tune.

       --digiboost
	   Enable digiboost hack for 8580 model	so  the	 digi  samples	become
	   audible.

       -r<i|r>[f]
	   Set resampling mode.	 'i' is	interpolation (less expensive) and 'r'
	   resampling  (accurate).   Providing	an  'f'	 will  provide	faster
	   resampling sacrificing quality.  Fast resampling is available  only
	   for reSID emulation.	 Options can be	written	as: -rif or -ri	-rf.

       -w, --wav[name]
	   Create  WAV-file.  The default output filename is <datafile>[n].wav
	   where [n] is	the tune number	should there be	more than one  in  the
	   sid.	  This	allows	batch  conversion  of  sid  tunes without them
	   overwriting each other.  By providing a  name  it  is  possible  to
	   override  this  default  behavior.	The output file	will be	<name>
	   with	no tune	number added and the extension	.wav  appended	if  no
	   extension is	given.

       --au[name]
	   Create  AU-file.   The default output filename is <datafile>[n].au.
	   Same	notes as the wav file applies.

       --resid
	   Use VICE's original reSID emulation engine.

       --residfp
	   Use reSIDfp emulation engine.

       --hardsid
	   Use HardSID device.

       --exsid
	   Use exSID device.

       --cpu-debug
	   Display cpu register	and assembly dumps, available only  for	 debug
	   builds.

       --delay=[num]
	   Simulate  c64  power	 on delay as number of cpu cycles.  If greater
	   than	8191 the delay will be random.	This is	the default.

       --fcurve=<num>|auto
	   Controls the	filter curve in	the ReSIDfp  emulation.	  Ranges  from
	   0.0	(light)	 to  1.0  (dark), the default value is 0.5.  If	set to
	   auto	it will	choose a predefined value for 6581  depending  on  the
	   tune	author.

       --frange=<num>|auto
	   If  available controls the filter range for the 6581	in the ReSIDfp
	   emulation.  Ranges from 0.0 (light)	to  1.0	 (dark),  the  default
	   value is 0.5.  If set to auto it will choose	a predefined value for
	   6581	depending on the tune author.

       -cw<w|a|s>
	   Set	the  strength  (width)	of  combined  waveforms.  'w' for weak
	   (thin) waves, 'a' for average waves,	 and  's'  for	strong	(wide)
	   waves.

       --noaudio
	   Run without an audio	output device.

       --nosid
	   Run without sid emulation.

       --none
	   Run with no audio output device and no sid emulation.

Key bindings
       1-9 Mute/unmute voice.

       q,w,e
	   Mute/unmute samples.

       f   Toggle filter.

       p   Pause/unpause playback.

       Esc Quit	player.

       Up/Down Arrows
	   Increase/reset playback speed.

       Left/Right Arrows
	   Move	to previous/next subtune.

       Home/End	Arrows
	   Go to first/last subtune.

ENVIRONMENT VARIABLES
       HVSC_BASE
	   The path to the HVSC	base directory.	If specified the songlength DB
	   will	be loaded from here and	relative SID tune paths	are accepted.

FILES
       sidplayfp.ini
	   The configuration file. See sidplayfp.ini(5)	for further details.

       kernal
	   The c64 kernal rom dump file.

       basic
	   The c64 basic rom dump file.

       chargen
	   The c64 character generator rom dump	file.

BUGS
       The	upstream      bug      tracker	   can	   be	  found	    at
       <https://github.com/libsidplayfp/sidplayfp/issues/>.

SEE ALSO
       sidplayfp.ini(5)

NOTES
       ROM dumps are not embedded due to copyright issues and must be supplied
       by  the	 user.	  Check	  the	sidplayfp.ini(5)   documentation   for
       configuration details and default search	paths.

AUTHORS
       Leandro Nini
	   Current maintainer.

       Simon White
	   Wrote the original Sidplay2.

       Dag Lem
	   Wrote the reSID emulation engine.

       Antti S.	Lankila
	   Wrote the reSIDfp emulation engine as a fork	of reSID 0.16.

       The Vice	team
	   Large part of the emulation is based	on the VICE's code.

       Andre Fachat
	   Wrote the original reloc65 utility.

       Michael Schwendt
	   Wrote  the original SidTune library and MD5 class (based on work by
	   L. Peter Deutsch).

       Mikko Kilponen
	   Wrote the original man page.

RESOURCES
       Home page: <https://github.com/libsidplayfp/>
       Sidplay2	homepage: <http://sidplay2.sourceforge.net/>
       High Voltage Sid	Collection (HVSC): <http://hvsc.c64.org/>

COPYING
       Copyright (C) 2000-2004 Simon White
       Copyright (C) 2007-2010 Antti Lankila
       Copyright (C) 2009-2015 VICE Project
       Copyright (C) 2010-2024 Leandro Nini

       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.

       This program is distributed in the hope that it	will  be  useful,  but
       WITHOUT	 ANY   WARRANTY;   without   even   the	 implied  warranty  of
       MERCHANTABILITY or FITNESS FOR  A  PARTICULAR  PURPOSE.	 See  the  GNU
       General Public License for more details.

       You should have received	a copy of the GNU General Public License along
       with this program; if not, write	to the Free Software Foundation, Inc.,
       51 Franklin Street, Fifth Floor,	Boston,	MA  02110-1301,	USA.

perl v5.34.0			  2024-12-01			  SIDPLAYFP(1)

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