VolksForth/8080/CPM/relocate.fb

\\ Relocate System                                       11Nov86                                                                Dieses File enthaelt das Utility-Wort BUFFERS.                  Mit ihm ist es moeglich die Zahl der Disk-Buffers festzulegen,  die volksFORTH benutzt. Voreingestellt sind 4 Buffer.                                                                           Benutzung:            nn BUFFERS                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                \ Relocate a system                                      16Jul86                                                                | : relocate-tasks ( mainup -- )  up@ dup                            BEGIN 2+ under @  2dup - WHILE rot drop REPEAT  2drop ! ;                                                                  | : relocate   ( stacklen rstacklen -- )                             2dup +  b/buf +  2+  limit origin -                                 u> abort" kills all buffers"                                over  pad $100 +  origin -   u< abort" cuts the dictionary"     dup  udp @ $40 +                                                    u< abort" a ticket to the moon with no return ..."          flush  empty  over +  origin +                                  origin $0A + !                \ r0                              origin +  dup  relocate-tasks \ multitasking link               6 -  origin 8 + !             \ s0                              cold ;                                       -->           \ bytes.more  buffers                                    29Jun86                                                                | : bytes.more   ( n+-  -- )                                       up@  origin -  +  r0 @ up@ -  relocate ;                                                                                     : buffers      ( +n   -- )                                         b/buf *  4+  limit  r0 @ -  swap  -  bytes.more ;