--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/table.c	Tue Feb 24 18:53:52 2015 +0200
@@ -0,0 +1,162 @@
+/*\
+ *  dxa v0.1.1 -- symbolic 65xx disassembler
+ *
+ *  Copyright (C) 1993, 1994 Marko M\"akel\"a
+ *
+ *  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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ *  Contacting the author:
+ *
+ *   Via Internet E-mail:
+ *      <Marko.Makela@FTP.FUNET.FI>
+ *
+ *   Via Snail Mail:
+ *      Marko M\"akel\"a
+ *      Sillitie 10 A
+ *      FIN-01480 VANTAA
+ *      Finland
+\*/
+
+/* table.c */
+#define _TABLE_C_
+
+#include <stdlib.h>
+#include "proto.h"
+
+static unsigned int firstunused = 0;
+
+#ifndef __STDC__
+table *
+FindNextEntryType (entry, andmask, eormask)
+     table *entry;
+     unsigned char andmask;
+     unsigned char eormask;
+#else
+table *FindNextEntryType (table *entry, unsigned char andmask,
+                          unsigned char eormask)
+#endif
+{
+  if (!scantable) return NULL;
+
+  if (!entry || entry >= &scantable[entrycount])
+    entry = scantable;
+  else if (++entry >= &scantable[entrycount])
+    return NULL;
+
+  for (; entry < &scantable[entrycount]; entry++)
+    if (entry->type && !((entry->type & andmask) ^ eormask))
+      return entry;
+
+  return NULL;
+}
+
+#ifndef __STDC__
+table *
+FindNextEntryTypeParent (entry, parent, andmask, eormask)
+     table *entry;
+     ADDR_T parent;
+     unsigned char andmask;
+     unsigned char eormask;
+#else
+table *FindNextEntryTypeParent (table *entry, ADDR_T parent,
+                            unsigned char andmask, unsigned char eormask)
+#endif
+{
+  if (!scantable) return NULL;
+
+
+  if (!entry || entry >= &scantable[entrycount])
+    entry = scantable;
+  else if (++entry >= &scantable[entrycount])
+    return NULL;
+
+  for (; entry < &scantable[entrycount]; entry++)
+    if (entry->parent == parent && entry->type &&
+        !((entry->type & andmask) ^ eormask))
+      return entry;
+
+  return NULL;
+}
+
+#ifndef __STDC__
+table *
+FindNextEntry (entry, address, andmask, eormask)
+     table *entry;
+     ADDR_T address;
+     unsigned char andmask;
+     unsigned char eormask;
+#else
+table *FindNextEntry (table *entry, ADDR_T address,
+                      unsigned char andmask, unsigned char eormask)
+#endif
+{
+  if (!scantable) return NULL;
+
+  if (!entry || entry >= &scantable[entrycount])
+    entry = scantable;
+  else if (++entry >= &scantable[entrycount])
+    return NULL;
+
+  for (; entry < &scantable[entrycount]; entry++)
+    if (entry->address == address && entry->type &&
+        !((entry->type & andmask) ^ eormask))
+      return entry;
+
+  return NULL;
+}
+
+#ifndef __STDC__
+void
+AddEntry (address, parent, type)
+     ADDR_T address;
+     ADDR_T parent;
+     unsigned char type;
+#else
+void AddEntry (ADDR_T address, ADDR_T parent, unsigned char type)
+#endif
+{
+  if (firstunused < entrycount) {
+    scantable[firstunused].address = address;
+    scantable[firstunused].parent = parent;
+    scantable[firstunused].type = type;
+
+    while (++firstunused < entrycount && scantable[firstunused].type);
+  }
+  else {
+    scantable = scantable ?
+      realloc (scantable, (entrycount + 1) * sizeof *scantable) :
+      malloc (sizeof *scantable);
+
+    scantable[entrycount].address = address;
+    scantable[entrycount].parent = parent;
+    scantable[entrycount].type = type;
+
+    firstunused = ++entrycount;
+  }
+}
+
+#ifndef __STDC__
+void
+DeleteEntry (entry)
+     table *entry;
+#else
+void DeleteEntry (table *entry)
+#endif
+{
+  entry -> type = TBL_DELETED;
+
+  if (firstunused > entry - scantable)
+    firstunused = entry - scantable;
+}