sys/arch/mvme68k/stand/libbug/instat.c

   1 /*      $NetBSD: instat.c,v 1.2 1996/05/17 19:50:52 chuck Exp $ */
   2
   3 /*
   4  * bug routines -- assumes that the necessary sections of memory
   5  * are preserved.
   6  */
   7 #include <sys/types.h>
   8 #include <machine/prom.h>
   9
  10 #include "libbug.h"
  11
  12 /* returns 0 if no characters ready to read */
  13 int
  14 peekchar(void)
  15 {
  16         int ret;
  17
  18         MVMEPROM_NOARG();
  19         MVMEPROM_CALL(MVMEPROM_INSTAT);
  20         MVMEPROM_STATRET(ret);
  21 }