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

bacnet-stack/ports/dos/mk_fp.h

@@ -0,0 +1,23 @@
+/*
+**  MK_FP.H
+**
+**  Standard header file making sure this pesky Intel macro is defined!
+*/
+
+#ifndef MK_FP__H
+#define MK_FP__H
+
+#include "extkword.h"
+
+#if defined(__WATCOMC__)
+ #include <i86.h>
+#elif !defined(__PACIFIC__)
+ #include <dos.h>
+#endif
+
+#if !defined(MK_FP)
+    #define MK_FP(seg,off) \
+      ((void FAR *)(((unsigned long)(seg) << 16)|(unsigned)(off)))
+#endif
+
+#endif /* MK_FP__H */