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 +1,131 @@
+/*====================================================================
+
+    _MSC_VER        Microsoft C 6.0 and later
+    _QC             Microsoft Quick C 2.51 and later
+    __TURBOC__      Borland Turbo C, Turbo C++ and BC++
+    __BORLANDC__    Borland C++
+    __ZTC__         Zortech C and C++
+    __SC__          Symantec C++
+    __WATCOMC__     WATCOM C
+    __POWERC        Mix Power C
+    __GNUC__        Gnu C
+
+    Revised:
+
+    25-Sep-95  Bob Stout      Original from PC-PORT.H
+    30-Mar-96  Ed Blackman  OS/2 mods for OS/2 ver 2.0 and up
+    30-May-96  Andrew Clarke  Added support for WATCOM C/C++ __NT__ macro.
+    17-Jun-96  Bob Stout      Added __FLAT__ macros support
+    20-Aug-96  Bob Stout      Eliminate Win32 conflicts
+======================================================================*/
+
+
+/* prevent multiple inclusions of this header file */
+
+#ifndef EXTKWORD__H
+#define EXTKWORD__H
+
+#include <limits.h>                       /* For INT_MAX, LONG_MAX      */
+
+/*
+**  Watcom defines __FLAT__ for 32-bit environments and so will we
+*/
+
+#if !defined(__FLAT__) && !defined(__WATCOMC__) && !defined(_MSC_VER)
+ #if defined(__GNUC__)
+  #define __FLAT__ 1
+ #elif defined (_WIN32) || defined(WIN32) || defined(__NT__)
+  #define __FLAT__ 1
+ #elif defined(__INTSIZE)
+  #if (4 == __INTSIZE)
+   #define __FLAT__ 1
+  #endif
+ #elif (defined(__ZTC__) && !defined(__SC__)) || defined(__TURBOC__)
+  #if ((INT_MAX != SHRT_MAX) && (SHRT_MAX == 32767))
+   #define __FLAT__ 1
+  #endif
+ #endif
+#endif
+
+/*
+**  Correct extended keywords syntax
+*/
+
+#if defined(__unix__)
+ #if !defined(FAR)
+  #define FAR
+ #endif
+ #if !defined(NEAR)
+  #define NEAR
+ #endif
+ #if !defined(HUGE)
+  #define HUGE
+ #endif
+ #if !defined(PASCAL)
+  #define PASCAL
+ #endif
+ #if !defined(CDECL)
+  #define CDECL
+ #endif
+ #if !defined(INTERRUPT)
+  #define INTERRUPT
+ #endif
+#elif defined(__OS2__)      /* EBB: not sure this works for OS/2 1.x */
+ #include <os2def.h>
+ #define INTERRUPT
+ #ifndef HUGE
+  #define HUGE
+ #endif
+#elif defined(_WIN32) || defined(WIN32) || defined(__NT__)
+ #define WIN32_LEAN_AND_MEAN
+ #define NOGDI
+ #define NOSERVICE
+ #undef INC_OLE1
+ #undef INC_OLE2
+ #include <windows.h>
+ #define INTERRUPT
+ #ifndef HUGE
+  #define HUGE
+ #endif
+#else /* ! Win 32 or OS/2 */
+ #if (defined(__POWERC) || (defined(__TURBOC__) && !defined(__BORLANDC__)) \
+       || (defined(__ZTC__) && !defined(__SC__))) && !defined(__FLAT__)
+  #define FAR far
+  #define NEAR near
+  #define PASCAL pascal
+  #define CDECL cdecl
+  #if (defined(__ZTC__) && !defined(__SC__)) || (defined(__SC__) && \
+        (__SC__ < 0x700))
+   #ifndef HUGE
+    #define HUGE far
+   #endif
+   #define INTERRUPT
+  #else
+   #ifndef HUGE
+    #define HUGE huge
+   #endif
+   #define INTERRUPT interrupt
+  #endif
+ #else
+  #if (defined(__MSDOS__) || defined(MSDOS)) && !defined(__FLAT__)
+   #define FAR _far
+   #define NEAR _near
+   #ifndef HUGE
+    #define HUGE _huge
+   #endif
+   #define PASCAL _pascal
+   #define CDECL _cdecl
+   #define INTERRUPT _interrupt
+  #else
+   #define FAR
+   #define NEAR
+   #ifndef HUGE
+    #define HUGE
+   #endif
+   #define PASCAL
+   #define CDECL
+  #endif
+ #endif
+#endif
+
+#endif /* EXTKWORD__H */