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 +1,65 @@
+/*
+**  PCHWIO.H - SNIPPETS header file for portable hardware I/O access under DOS
+**
+**  public domain by Bob Stout
+*/
+
+#ifndef PCHWIO__H
+#define PCHWIO__H
+
+#include <dos.h>
+#include "extkword.h"
+
+
+#if defined(__TURBOC__) || defined(__POWERC)
+ #ifndef inp
+  #define inp           inportb
+ #endif
+ #ifndef outp
+  #define outp          outportb
+ #endif
+ #ifndef inpw
+  #define inpw          inport
+ #endif
+ #ifndef outpw
+  #define outpw         outport
+ #endif
+#elif defined(__ZTC__)
+ #include <int.h>
+ #define enable         int_on
+ #define disable        int_off
+ #if !defined(__SC__)
+  void FAR * getvect(unsigned intnum);
+  void setvect(unsigned intnum, void (INTERRUPT FAR *handler)());
+ #else
+  #define getvect       _dos_getvect
+  #define setvect       _dos_setvect
+ #endif
+#else /* assume MSC/QC/WC */
+ #include <conio.h>
+ #if defined(__WATCOMC__)
+  #include <i86.h>
+ #endif
+ #define enable         _enable
+ #define disable        _disable
+ #define getvect        _dos_getvect
+ #define setvect        _dos_setvect
+#endif
+
+
+#if defined(_MSC_VER) || defined(__WATCOMC__) || \
+      defined(__ZTC__) || defined(__SC__)
+
+unsigned char  Peekb(unsigned seg, unsigned ofs);           /* PCHWIO.C */
+unsigned short Peekw(unsigned seg, unsigned ofs);           /* PCHWIO.C */
+void Pokeb(unsigned seg, unsigned ofs, unsigned char ch);   /* PCHWIO.C */
+void Pokew(unsigned seg, unsigned ofs, unsigned short num); /* PCHWIO.C */
+ 
+#elif defined(__TURBOC__)
+ #define Peekw peek
+ #define Pokew poke
+ #define Peekb peekb
+ #define Pokeb pokeb
+#endif /* peek(), poke() */
+
+#endif /* PCHWIO__H */