Adding a DOS port to run on x86 single board computer.

2007-12-06 22:31:14 +00:00
parent af373fbbfe
commit 64e9b54dbd
23 changed files with 2838 additions and 46 deletions
@@ -0,0 +1,41 @@
+/*
+----------------------------------------------------+
+|                Thunderbird Software                |
+----------------------------------------------------+
+| Filespec  :  QUEUE.H                               |
+| Date      :  August 30, 1994                       |
+| Time      :  5:40 PM                               |
+| Revision  :  0.0                                   |
+----------------------------------------------------+
+| Programmer:  Scott Andrews                         |
+| Address   :  5358 Summit RD SW                     |
+| City/State:  Pataskala, Ohio                       |
+| Zip       :  43062                                 |
+----------------------------------------------------+
+| Released to the Public Domain                      |
+----------------------------------------------------+
+*/
+
+#ifndef QUEUE__H
+#define QUEUE__H
+
+/* Needed by Serial.C */
+
+typedef struct
+{ int   size;
+  int   head;
+  int   tail;
+  int   avail;
+  char *buffer;
+} QUEUE;
+
+#define queue_empty(queue) (queue)->head == (queue)->tail
+#define queue_avail(queue) (queue)->avail
+
+QUEUE *alloc_queue( int size);
+int   en_queue( QUEUE *queue_ptr, char data);
+int   de_queue( QUEUE *queue_ptr);
+
+/* End of Queue.H */
+
+#endif /* QUEUE__H */