working CLI tool
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121
wave.tal
121
wave.tal
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@ -2,7 +2,7 @@
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( )
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( currently reads PCM data )
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( WAV format (number byte order is LE) )
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( WAV format (number byte order is little-endian) )
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( )
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( BYTES EXAMPLE BYTES DESCRIPTION )
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( 0-3 "RIFF" 52 49 46 46 riff string )
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@ -29,7 +29,14 @@
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( )
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( s16 -> u8: hi-byte + 0x80 )
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( stereo -> mono, take second sample )
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( )
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( data created using: )
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( lame --decode tokyo-skies.mp3 # produced tokyo-skies.wav )
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( sox tokyo-skies.wav -c 1 -e unsigned-integer -b 8 tokyo-skies-mono-u8.wav )
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( sox tokyo-skies-mono-u8.wav tokyo-skies.raw )
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( |00 @System [ &vec $2 &wst $1 &rst $1 &pad $4 &r $2 &g $2 &b $2 &dbg $1 &halt $1 ] )
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|10 @Console [ &vec $2 &read $1 &pad $5 &out $1 &err $1 ]
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|30 @Audio0 [ &vec $2 &pos $2 &out $1 &pad $3 &adsr $2 &len $2 &addr $2 &vol $1 &pitch $1 ]
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|40 @Audio1 [ &vec $2 &pos $2 &out $1 &pad $3 &adsr $2 &len $2 &addr $2 &vol $1 &pitch $1 ]
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|50 @Audio2 [ &vec $2 &pos $2 &out $1 &pad $3 &adsr $2 &len $2 &addr $2 &vol $1 &pitch $1 ]
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@ -38,10 +45,40 @@
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|0000
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@done $1
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@pos $2
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@is-stereo $1
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@is-8bit $1
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|0100
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;path .File/name DEO2
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;filename .pos STZ2
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;read-filename .Console/vec DEO2
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BRK
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@read-filename ( -> )
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#12 DEI ( c^ )
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DUP #0a EQU ?&exec ( c^ )
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DUP #00 EQU ?&exec ( c^ )
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.pos LDZ2 STA ( ; $pos<-c )
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.pos LDZ2 INC2 .pos STZ2 ( ; pos<-pos+1 )
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BRK ( )
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&exec ( c^ -> )
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POP #00 .pos LDZ2 STA ( ; $pos<-0 )
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!start ( )
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@start ( -> )
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;filename .File/name DEO2
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parse
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.is-stereo LDZ ?&stereo
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.is-8bit LDZ ?&mono-8bit
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;mono-s16-to-u8 ;reload/resample STA2 #01 ;reload/sft STA !&done
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&mono-8bit
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;mono-u8-to-u8 ;reload/resample STA2 #00 ;reload/sft STA !&done
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&stereo
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.is-8bit LDZ ?&stereo-8bit
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;stereo-s16-to-u8 ;reload/resample STA2 #02 ;reload/sft STA !&done
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&stereo-8bit
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;stereo-u8-to-u8 ;reload/resample STA2 #01 ;reload/sft STA !&done
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&done
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#2000 .File/len DEO2
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#2000 ;len0 STA2 #2000 ;buf0 zero-buf-u8
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#2000 ;len1 STA2 #2000 ;buf1 zero-buf-u8
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@ -55,59 +92,57 @@
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INC2r GTH2kr STHr ?&loop ( 80^ [limit* pos+1*] )
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POP POP2r POP2r JMP2r ( )
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( data created using: )
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( lame --decode tokyo-skies.mp3 # produced tokyo-skies.wav )
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( sox tokyo-skies.wav -c 1 -e unsigned-integer -b 8 tokyo-skies-mono-u8.wav )
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( sox tokyo-skies-mono-u8.wav tokyo-skies.raw )
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( @path "tokyo-skies.raw 00 )
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@path "tokyo-skies-mono-u8.wav 00
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( @path "tokyo-skies.wav 00 )
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( TODO: actually parse )
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( TODO: validate PCM, freq (44.1 kHz), etc. )
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( TODO: debug/error messages )
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@parse ( -> )
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#002c .File/len DEO2
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;buf0 .File/r DEO2
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;header .File/r DEO2
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.File/ok DEI2
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#002c EQU2 ?&ok #0000 DIV &ok JMP2r
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#002c EQU2k ?&ok #0000 DIV
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&ok POP2 POP2
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;header ( hdr* )
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#0016 ADD2 LDA2k #0200 EQU2 .is-stereo STZ ( hdr+22* )
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#000c ADD2 LDA2k #0800 EQU2 .is-8bit STZ ( hdr+34* )
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JMP2r
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@reload-mono-u8 ( l-addr* b-addr* -> )
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.done LDZ ?&skip ( l-addr* b-addr* )
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.File/r DEO2 ( l-addr* )
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.File/ok DEI2 ( l-addr* read* )
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DUP2 ROT2 STA2 ( read* ; l-addr<-read )
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#2000 EQU2 ?&end ( ; if we read 0x2000 we are not done )
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#01 .done STZ ( ; done<-1 )
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&end JMP2r ( )
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&skip POP2 POP2 JMP2r ( )
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@reload-stereo-s16 ( l-addr* b-addr* -> )
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@reload ( l-addr* b-addr* -> )
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.done LDZ ?&skip ( l-addr* b-addr* )
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SWP2 ( b-addr* l-addr* )
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;scratch .File/r DEO2 ( b-addr* l-addr* )
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.File/ok DEI2 ( b-addr* l-addr* read* )
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DUP2 #02 SFT2 ROT2 STA2 ( b-addr* read* ; l-addr<-read/4 )
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DUP2 LIT &sft $1 SFT2 ( b-addr* l-addr* read* read>>sft )
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ROT2 STA2 ( b-addr* read* ; l-addr<-read>>sft )
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DUP2 #2000 EQU2 ?&end ( b-addr* read* ; if we read 0x2000 we are not done )
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#01 .done STZ ( b-addr* read* ; done<-1 )
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&end ( b-addr* read* )
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SWP2 STH2 ;scratch ( read* scratch* [b-addr*] )
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DUP2 ROT2 ADD2 SWP2 ( limit=scratch+read* scratch* [b-addr*] )
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INC2 ( limit* scratch+3* [b-addr*] )
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INC2 ( limit* scratch+1* [b-addr*] )
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&loop ( limit* pos* [bpos*] )
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s16-to-u8 ( limit* pos+4* sample^ [bpos*] )
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STH2kr STA ( limit* pos* [bpos*] ; bpos<-sample )
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INC2r ( limit* pos+4* [bpos+1*] )
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GTH2k ?&loop ( limit* pos+4* [bpos+1*] )
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POP2r ( limit* pos+4* )
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&skip POP2 POP2 JMP2r ( )
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LIT2 &resample $2 JSR2 ( limit* pos+n* sample^ [bpos*] )
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STH2kr STA ( limit* pos+n* [bpos*] ; bpos<-sample )
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INC2r GTH2k ?&loop ( limit* pos+n* [bpos+1*] )
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POP2r ( limit* pos+n* )
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POP2 POP2 JMP2r
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&skip ( )
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#2000 SWP2 zero-buf-u8 ( )
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#2000 SWP2 STA2 JMP2r ( )
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@s16-to-u8 ( pos* -> pos+4* sample^ )
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LDAk #80 ADD #00 SWP STH2
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INC2 INC2
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LDAk #80 ADD #00 SWP STH2
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ADD2r LITr 01 SFT2r NIPr
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INC2 INC2
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STHr JMP2r
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@mono-u8-to-u8 ( pos* -> pos+1* sample^ )
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LDAk STH INC2 STHr JMP2r
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@mono-s16-to-u8 ( pos* -> pos+2* sample^ )
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LDAk #80 EOR STH INC2 INC2 STHr JMP2r
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@stereo-u8-to-u8 ( pos* -> pos+2* sample^ )
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LDAk #00 SWP STH2 INC2
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LDAk #00 SWP STH2 INC2
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ADD2r LITr 01 SFT2r NIPr STHr JMP2r
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@stereo-s16-to-u8 ( pos* -> pos+4* sample^ )
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LDAk #80 EOR #00 SWP STH2 INC2 INC2
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LDAk #80 EOR #00 SWP STH2 INC2 INC2
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ADD2r LITr 01 SFT2r NIPr STHr JMP2r
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@play0 ( -> ) ;play1 ;len0 ;buf0 !play
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@play1 ( -> ) ;play0 ;len1 ;buf1 !play
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@ -118,8 +153,7 @@
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#010f BRK ( ; exit )
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&nonzero ( next* l-addr b-addr* n* )
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OVR2 output ( next* l-addr b-addr* ; play buf1 )
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reload-mono-u8 ( next* ; load more data )
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( reload-stereo-s16 ) ( next* ; load more data )
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reload ( next* ; load more data )
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.Audio0/vec DEO2 ( ; Audio0/vec<-next )
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BRK ( )
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@ -131,7 +165,8 @@
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#bc .Audio0/pitch DEO ( ; <- play standard sample once )
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JMP2r
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@filename $100
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@header $2c
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@len0 $2 @buf0 $2000
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@len1 $2 @buf1 $2000
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@scratch $2000
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