1 files changed, 63 insertions, 0 deletions
diff --git a/sys/gio/stdgraph/t_gkideco.x b/sys/gio/stdgraph/t_gkideco.x
new file mode 100644
index 00000000..200cf33a
--- /dev/null
+++ b/sys/gio/stdgraph/t_gkideco.x
@@ -0,0 +1,63 @@
+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+include	<error.h>
+include	<gki.h>
+
+# GKIDECODE -- Decode the contents of one or more metacode files, printing
+# the decoded metacode instructions in readable form on the standard output.
+
+procedure t_gkidecode()
+
+int	fd, list, verbose, gkiunits
+pointer	gki, sp, fname
+int	dd[LEN_GKIDD]
+
+bool	clgetb()
+int	clpopni(), clgfil(), clplen(), open(), btoi()
+int	gki_fetch_next_instruction()
+
+begin
+	call smark (sp)
+	call salloc (fname, SZ_FNAME, TY_CHAR)
+
+	# Open list of metafiles to be decoded.
+	list = clpopni ("input")
+
+	if (clgetb ("generic")) {
+	    verbose = NO
+	    gkiunits = NO
+	} else {
+	    verbose = btoi (clgetb ("verbose"))
+	    gkiunits = btoi (clgetb ("gkiunits"))
+	}
+
+	# Set up the decoding graphics kernel.
+	call gkp_install (dd, STDOUT, verbose, gkiunits)
+
+	# Process a list of metacode files, writing the decoded metacode
+	# instructions on the standard output.
+
+	while (clgfil (list, Memc[fname], SZ_FNAME) != EOF) {
+	    # Print header if new file.
+	    if (clplen (list) > 1) {
+		call printf ("\n# METAFILE '%s':\n")
+		    call pargstr (Memc[fname])
+	    }
+
+	    # Open input file.
+	    iferr (fd = open (Memc[fname], READ_ONLY, BINARY_FILE)) {
+		call erract (EA_WARN)
+		next
+	    } else
+		call gkp_grstream (fd)
+
+	    # Process the metacode.
+	    while (gki_fetch_next_instruction (fd, gki) != EOF)
+		call gki_execute (Mems[gki], dd)
+
+	    call close (fd)
+	}
+
+	call clpcls (list)
+	call sfree (sp)
+end