add neauoire's lz.tal

lz.tal

@@ -0,0 +1,102 @@
+( decompressor )
+
+|10 @Console &vector $2 &read $1 &pad $5 &write $1 &err $1
+|a0 @File1 &vector $2 &success $2 &stat $2 &delete $1 &append $1 &name $2 &length $2 &read $2 &write $2
+|b0 @File2 &vector $2 &success $2 &stat $2 &delete $1 &append $1 &name $2 &length $2 &read $2 &write $2
+
+|0000
+
+	@input-size $2
+
+	@src $30
+	@ptr $1
+
+|0100
+
+(
+@|vectors )
+
+@ready-src ( -> ) ;&await .Console/vector DEO2 BRK
+&await ( -> ) .Console/read DEI .src skey ?on-ready BRK
+
+@on-ready ( -> )
+
+	;src decompress
+	;mem pstr #0a18 DEO
+	( halt ) #010f DEO
+
+BRK
+
+@decompress ( str* -- )
+
+	;mem .ptr STZ2
+	.File1/name DEO2
+	#0001 .input-size STZ2
+	&stream
+		.input-size LDZ2 .File1/length DEO2
+		;&b
+			DUP2 .File1/read DEO2
+			LDA decompress/run
+		.File1/success DEI2 ORA ?&stream
+
+JMP2r
+	&b $1
+
+&run ( byte -- )
+
+	DUP #80 AND ?&dict
+	( literal )
+	#00 SWP INC2
+		DUP2 .File1/length DEO2
+	.ptr LDZ2
+		DUP2 .File1/read DEO2
+		ADD2 .ptr STZ2
+
+JMP2r
+
+&dict ( byte -- )
+
+	#7f AND
+		DUP #40 AND ?&dict3
+	( byte )
+	#00 SWP !&opc
+
+&dict3 ( byte -- )
+
+	( hb )
+	#3f AND
+	( lb )
+	#0001 .File1/length DEO2
+	;&b
+		DUP2 .File1/read DEO2
+		LDA
+
+&opc #0004 ADD2
+
+	;&b
+		DUP2 .File1/read DEO2
+		LDA INC
+
+&copy ( length* offset -- )
+
+	#00 SWP #0000 SWP2 SUB2 .ptr LDZ2 ADD2 STH2
+	#0000
+	&l
+		DUP2 STH2kr ADD2 LDA .ptr LDZ2 STH2k STA
+		STH2r INC2 .ptr STZ2
+		INC2 GTH2k ?&l
+	POP2 POP2
+	POP2r
+
+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
+
+@mem
+