--- /dev/null
+/*
+ * Copyright © 2008 Keith Packard <keithp@keithp.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+#include <ccdbg.h>
+
+extern char *s51_prompt;
+
+extern struct ccdbg *s51_dbg;
+
+enum command_result {
+ command_proceed, command_debug, command_syntax, command_error
+};
+
+enum command_result
+command_quit (FILE *output, int argc, char **argv);
+
+enum command_result
+command_help (FILE *output, int argc, char **argv);
+
+enum command_result
+command_di (FILE *output, int argc, char **argv);
+
+enum command_result
+command_ds (FILE *output, int argc, char **argv);
+
+enum command_result
+command_dx (FILE *output, int argc, char **argv);
+
+enum command_result
+command_set (FILE *output, int argc, char **argv);
+
+enum command_result
+command_dump (FILE *output, int argc, char **argv);
+
+enum command_result
+command_pc (FILE *output, int argc, char **argv);
+
+enum command_result
+command_break (FILE *output, int argc, char **argv);
+
+enum command_result
+command_clear (FILE *output, int argc, char **argv);
+
+enum command_result
+command_run (FILE *output, int argc, char **argv);
+
+enum command_result
+command_next (FILE *output, int argc, char **argv);
+
+enum command_result
+command_step (FILE *output, int argc, char **argv);
+
+enum command_result
+command_load (FILE *output, int argc, char **argv);
+
+enum command_result
+command_halt (FILE *output, int argc, char **argv);
+
+enum command_result
+command_reset (FILE *output, int argc, char **argv);
+
+void
+command_read (FILE *input, FILE *output);