Added usage field

gui/meta/meta.tal

@@ -1,7 +1,7 @@
 ( A little program to see a rom's metadata )
 
 |00 @System &vector $2 &pad $6 &r $2 &g $2 &b $2
-|10 @Console &vector $2 &read $1 &pad $5 &write $1
+|10 @Console &vector $2 &read $1 &pad $4 &type $1 &write $1 &error $1
 |20 @Screen &vector $2 &width $2 &height $2 &auto $1 &pad $1 &x $2 &y $2 &addr $2 &pixel $1 &sprite $1
 |b0 @File &vector $2 &success $2 &stat $2 &delete $1 &append $1 &name $2 &length $2 &read $2 &write $2
 
@@ -18,8 +18,10 @@
 	#a70f .System/b DEO2
 	#0150 .Screen/width DEO2
 	#0050 .Screen/height DEO2
+	.Console/type DEI #03 AND ?{
+		;dict/usage <perr>/
+		#010f DEO }
 	;await-src .Console/vector DEO2
-	;dict/input <pstr-ln>
 	BRK
 
 @meta
@@ -159,10 +161,16 @@
 	POP2 #0a18 DEO
 	JMP2r
 
+@<perr> ( str* -- )
+	&w ( -- )
+		LDAk #19 DEO
+		INC2 & LDAk ?&w
+	POP2 JMP2r
+
 (
 @|assets )
 
-@dict &input "Input(.tal): 20 $1
+@dict &usage "usage: 20 "meta.rom 20 "game.rom 0a $1
 	&empty "Metadata 20 "Missing $1
 
 @appicon [