132 lines
3.5 KiB
Tal
132 lines
3.5 KiB
Tal
( mp3.tal )
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( commands are ended by newlines: )
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( )
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( help show all these commands )
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( load FILE load FILE and start playing )
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( loadpaused FILE load FILE without playing )
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( pause pause, or unpause, playback )
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( stop stops playback, unloads file )
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( seek # seeks to sample # )
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( seek +N | seek -N seeks forward, or back, N samples )
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( seek +Ns | seek -Ns seeks forward, or back, N seconds )
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( jump # jumps to MPEG frame # )
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( jump +N | jump -N jumps forward, or back, N frames )
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( jump +Ns | jump -Ns jumps forward, or back, N seconds )
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( volume P set volume to P percent, 0-100 )
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( mute mute playback )
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( unmute unmute playback )
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( tag print all ID3 data; seeking back may remove tag data )
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@Console [
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|10 &vector $2
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|12 &read $1
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( 13 - 14 padding )
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|15 &live $1
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|15 &exit $1
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|17 &type $1
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|18 &write $1
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|19 &error $1
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( 1a - 1b padding )
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|1c &addr $2
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|1e &mode $1
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|1f &exec $1
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]
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|0100
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( initialize buffer )
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;buffer ;buffer/pos STA2
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( run mpg123 )
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;on-console .Console/vector DEO2
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;program .Console/addr DEO2 ( cmd addr )
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#03 .Console/mode DEO ( cmd mode )
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#01 .Console/exec DEO ( exec )
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;cmd1 print
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;cmd2 print
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BRK
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@printerr ( s* -> )
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LDAk ?{ #0a .Console/error DEO POP2 JMP2r }
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LDAk .Console/error DEO INC2 !printerr
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@print ( s* -> )
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LDAk ?{ POP2 JMP2r }
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LDAk .Console/write DEO INC2 !print
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@on-console ( -> brk )
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.Console/type DEI #01 EQU ?{ BRK } ( )
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.Console/read DEI #0a EQU ?&newline ( )
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;buffer/pos LDA2k STH2k ( pos* buf* [buf*] )
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.Console/read DEI STH2r STA ( pos* buf ; buf<-c )
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INC2 SWP2 STA2 BRK ( ; pos<-buf+1 )
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&newline ( )
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#00 ;buffer/pos LDA2 STA on-line ( ; buf<-0, run on-line )
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;buffer ;buffer/pos STA2 BRK ( )
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( called when a newline is reached )
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( buffer is guaranteed to be null-terminated )
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( newline is implied but not included )
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@on-line ( -> )
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;buffer LDAk LIT "@ EQU ?{ POP2 JMP2r }
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INC2k LDA LIT "F EQU ?on-frame
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( INC2k LDA LIT "H EQU ?on-help )
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( INC2k LDA LIT "I EQU ?on-id3 )
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( INC2k LDA LIT "P EQU ?on-paused )
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( INC2k LDA LIT "R EQU ?on-revision )
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( INC2k LDA LIT "S EQU ?on-status )
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( INC2k LDA LIT "T EQU ?on-tag )
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!printerr
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( e.g. "@F 184 8713 4.81 227.60" )
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( seen when playing )
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( the fields here are: )
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( @F <curr-frame> <total-frames> <curr-secs> <total-secs> )
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@on-frame ( buf* -> )
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POP2 JMP2r
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( e.g. "@H HELP/H: command listing (LONG/SHORT forms), command case insensitve" )
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( seen in response to the "help" command )
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@on-help ( buf* -> )
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POP2r JMP2r
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( e.g. "@I ID3v2.artist:Chipzel" )
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( seen when loading a track )
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@on-id3 ( buf* -> )
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POP2 JMP2r
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( e.g. "@P 0" or "@P 1" )
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( seen when pausing or unpausing )
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@on-paused ( buf* -> )
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POP2 JMP2r
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( e.g. "@R MPG123 (ThOr) v10" )
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( seen on start up )
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@on-revision ( buf* -> )
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POP2 JMP2r
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( e.g. "@S 1.0 3 44100 Joint-Stereo 0 1044 2 0 0 0 320 0 1" )
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( seen when playback starts )
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@on-status ( buf* -> )
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POP2 JMP2r
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( e.g. "@T ID3v2.TPE1:" )
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( seen in response to the "tag" command for extended tag info )
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@on-tag ( buf* -> )
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POP2 JMP2r
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@program
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"mpg123 20 "-R 00
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@cmd1
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"loadpaused 20 "tokyo-skies.mp3 0a 00
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@cmd2
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"pause 0a 00
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@buffer $200 &pos $2 ( input buffer )
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