(base64) Added usage

cli/base64/b64enc.tal

@@ -1,6 +1,6 @@
 ( uxncli b64enc.rom file.bin )
 
-|10 @Console &vector $2 &read $1 &pad $5 &write $1 &error $1
+|10 @Console &vector $2 &read $1 &pad $4 &type $1 &write $1 &error $1
 |a0 @File &vector $2 &success $2 &stat $2 &delete $1 &append $1 &name $2 &length $2 &read $2 &write $2
 
 |0000
@@ -11,6 +11,7 @@
 |0100
 
 @on-reset ( -> )
+	.Console/type DEI ?{ ;usage <print-err>/ #010f DEO }
 	;await-src .Console/vector DEO2
 	BRK
 
@@ -30,7 +31,7 @@
 	.queue LDZ #00 EQU ?&>no-pad
 		#00 b64enc &>no-pad
 	#0a18 DEO
-	#010f DEO
+	#800f DEO
 	BRK
 
 (
@@ -74,3 +75,10 @@
 	scap/ ROT #00 SWP2 STA2
 	JMP2r
 
+@<print-err> ( str* -- )
+	LDAk #19 DEO
+	INC2 & LDAk ?<print-err>
+	POP2 JMP2r
+
+@usage "usage: 20 "b64enc.rom 20 "data 0a $1
+

cli/base64/build.sh

@@ -21,6 +21,7 @@ then
 	cp $DST $CPY
 fi
 
+$EMU $DST
 echo -n "source: "
 cat test.txt
 echo ""