diff --git a/doc/vic20.sgml b/doc/vic20.sgml index b3af79c6d..67c5b8e14 100644 --- a/doc/vic20.sgml +++ b/doc/vic20.sgml @@ -204,6 +204,20 @@ The program return code (low byte) is passed back to BASIC by use of the Using extended memory
+
+The extended memory at $A000 may be added to the heap by using the following
+code:
+
+
+ /* Add it to the heap */
+ _heapadd ((void *) 0xA000, 0x2000);
+ }
+