83 lines
1.2 KiB
Tal
83 lines
1.2 KiB
Tal
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( ulz encoder )
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|10 @Console &vector $2 &read $1 &pad $5 &write $1 &err $1
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|a0 @File &vector $2 &success $2 &stat $2 &delete $1 &append $1 &name $2 &length $2 &read $2 &write $2
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|0000
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@src $30
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@dst $30
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@ptr $1
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|0100
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@ready-src ( -> )
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;&await .Console/vector DEO2
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BRK
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&await ( -> )
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.Console/read DEI .src skey ?ready-dst
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BRK
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@ready-dst ( -> )
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;&await .Console/vector DEO2
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BRK
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&await ( -> )
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.Console/read DEI .dst skey ?on-ready
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BRK
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@on-ready ( -> )
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( | load raw )
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;src .File/name DEO2
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#4000 .File/length DEO2
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;raw .File/read DEO2
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;raw .File/success DEI2 uxn_lz_compress
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( halt ) #800f DEO
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BRK
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@uxn_lz_compress ( input* length* -- )
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ADD2k NIP2 SWP2
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&w ( -- )
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( body )
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INC2 DUP2 phex #0a18 DEO
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NEQ2k ?&w
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JMP2r
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(
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@|stdlib )
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@skey ( key buf -- proc )
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OVR #21 LTH ?&eval
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#00 SWP sput #00 JMP2r
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&eval POP2 #01 JMP2r
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@scap ( str* -- end* )
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&w INC2 & LDAk ?&w
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JMP2r
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@sput ( chr str* -- )
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scap/ INC2k #00 ROT ROT STA
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STA
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JMP2r
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@getc ( -- b )
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#0001 .File/length DEO2
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;&b .File/read DEO2
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[ LIT &b $1 ] JMP2r
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@phex ( short* -- )
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SWP phex/b
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&b ( -- )
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DUP #04 SFT phex/c
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&c ( -- )
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#0f AND DUP #09 GTH #27 MUL ADD [ LIT "0 ] ADD #18 DEO
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JMP2r
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(
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@|memory )
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@raw $4000
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@compressed $4000
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