d6
/
uxn-utils
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Housekeeping

This commit is contained in:
neauoire 2023-11-15 15:05:49 -08:00
parent b6049f7212
commit 4bee5597a3
1 changed files with 28 additions and 64 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

90
cli/lz/ulzdec.tal
View File

@ -5,17 +5,11 @@
|0000
@input-size $2
@src $30
@dst $30
@ptr $1
|0100
(
@|vectors )
@ready-src ( -> ) ;&await .Console/vector DEO2 BRK
&await ( -> ) .Console/read DEI .src skey ?ready-dst BRK
@ready-dst ( -> ) ;&await .Console/vector DEO2 BRK
@ -23,7 +17,7 @@
@on-ready ( -> )
;src decompress
;src decode_ulz
( ;mem pstr #0a18 DEO )
( debug #800e DEO )
( write )
@ -34,87 +28,57 @@
BRK
@decompress ( str* -- )
@decode_ulz ( str* -- )
;mem .ptr STZ2
.File/name DEO2
#0001 .input-size STZ2
&stream
.input-size LDZ2 .File/length DEO2
#0001 .File/length DEO2
;&b
DUP2 .File/read DEO2
.File/success DEI2 #0000 EQU2 ?&eof
LDA decompress/run
.File/success DEI2 ORA ?&stream
JMP2r
&eof POP2 JMP2r
&b $1
&run ( byte -- )
DUP #80 AND ?&dict
( literal )
#00 SWP INC2 !do-literal
&dict ( byte -- )
.File/success DEI2 ORA ?{ POP2 JMP2r }
[ LIT &b $1 ] decode_ulz_byte
!&stream
@decode_ulz_byte ( byte -- )
DUP #80 AND ?op-dict
@op-lit ( byte -- )
#00 SWP INC2
DUP2 .File/length DEO2
.ptr LDZ2
DUP2 .File/read DEO2
ADD2 .ptr STZ2
JMP2r
@op-dict ( byte )
#7f AND
DUP #40 AND ?&dict3
( 1 byte )
#00 SWP #0004 ADD2
( offset )
;&b .File/read DEO2
;&b LDA INC
!do-copy
&dict3 ( byte -- )
DUP #40 AND ?&dict2
( length ) #00 SWP #0004 ADD2
!do-copy
&dict2 ( byte -- )
( hb )
#3f AND
( lb )
#0001 .File/length DEO2
;&b .File/read DEO2
;&b LDA #0004 ADD2
( offset )
;&b .File/read DEO2
;&b LDA INC
!do-copy
@do-copy ( length* offset -- )
;&b .File/read DEO2 [ LIT &b $1 ] #0004 ADD2
!do-copy
@do-copy ( length* -- )
( offset ) ;&b .File/read DEO2 [ LIT &b $1 ] INC
#00 SWP #0000 SWP2 SUB2 .ptr LDZ2 ADD2 STH2
#0000
&l
DUP2 STH2kr ADD2 LDA do-append
DUP2 STH2kr ADD2 LDA
.ptr LDZ2 STH2k STA
STH2r INC2 .ptr STZ2
INC2 GTH2k ?&l
POP2 POP2
POP2r
JMP2r
@do-append ( byte -- )
.ptr LDZ2 STH2k STA
STH2r INC2 .ptr STZ2
JMP2r
@do-literal ( length* -- )
DUP2 .File/length DEO2
.ptr LDZ2
DUP2 .File/read DEO2
ADD2 .ptr STZ2
JMP2r
(
@|stdlib )
@pstr ( str* -- ) LDAk ?&w POP2 JMP2r &w LDAk #18 DEO INC2 LDAk ?&w POP2 JMP2r
@skey ( key buf -- proc ) OVR #21 LTH ?&eval #00 SWP sput #00 JMP2r &eval POP2 #01 JMP2r
@scap ( str* -- end* ) LDAk ?&w JMP2r &w INC2 LDAk ?&w JMP2r
@sput ( chr str* -- ) scap INC2k #00 ROT ROT STA STA JMP2r