20000317 sourceware import

1 files changed, 74 insertions, 0 deletions

diff --git a/libgloss/pa/w89k-io.c b/libgloss/pa/w89k-io.c
new file mode 100644
index 000000000..2d98a811e
--- /dev/null
+++ b/libgloss/pa/w89k-io.c
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+/* w89k-io.c -- I/O code for the Winbond Cougar board.
+ *
+ * Copyright (c) 1995 Cygnus Support
+ *
+ * The authors hereby grant permission to use, copy, modify, distribute,
+ * and license this software and its documentation for any purpose, provided
+ * that existing copyright notices are retained in all copies and that this
+ * notice is included verbatim in any distributions. No written agreement,
+ * license, or royalty fee is required for any of the authorized uses.
+ * Modifications to this software may be copyrighted by their authors
+ * and need not follow the licensing terms described here, provided that
+ * the new terms are clearly indicated on the first page of each file where
+ * they apply.
+ */
+#include "w89k.h"
+
+void zylons();
+void led_putnum();
+void delay();
+
+/*
+ * outbyte -- shove a byte out the serial port. We wait till the byte 
+ */
+void
+outbyte (byte)
+     unsigned char byte;
+{
+  while ((inp(COM1_LSR) & TRANSMIT) == 0x0) ;
+
+  outp (COM1_DATA, byte);
+
+  return;
+}
+
+/*
+ * inbyte -- get a byte from the serial port
+ */
+unsigned char
+inbyte ()
+{
+  while ((inp(COM1_LSR) & RECEIVE) == 0x0) ;
+
+  return (inp(COM1_DATA));
+}
+
+/*
+ * led_putnum -- print a hex number on the LED. the value of num must be a byte. 
+ *		 The max number 15, since the front panel only has 4 LEDs.
+ */
+void
+led_putnum ( num )
+char num;
+{
+  print ("Sorry, no LED's on the WinBond W89k board, using putnum instead\r\n");
+  putnum (num);
+}
+
+/*
+ * zylons -- draw a rotating pattern. NOTE: this function never returns.
+ */
+void
+zylons()
+{
+  print ("Sorry, no LED's on the WinBond W89k board\r\n");
+}
+
+void
+delay (x)
+     int x;
+{
+  int  y = 17;
+  while (x-- !=0)
+    y = y^2;
+}