Retro68/gcc/libgloss/mips/array-io.c
2012-03-27 01:51:53 +02:00

69 lines
1.5 KiB
C

/* array-io.c -- I/O code for the Array Tech RAID disk controller.
*
* 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 "mips.h"
/*
* outbyte -- shove a byte out the serial port. We wait till the byte
*/
int
outbyte(byte)
unsigned char byte;
{
return (PUTCHAR(byte));
}
/*
* inbyte -- get a byte from the serial port
*/
unsigned char
inbyte()
{
return ((unsigned char)GETCHAR);
}
/*
* 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, unimplemented, using putnum instead\r\n");
putnum (num);
}
/*
* zylons -- draw a rotating pattern. NOTE: this function never returns.
*/
void
zylons()
{
print ("Sorry, unimplemented\r\n");
}
/*
* delay -- a really gross, ugly hack for simple time delays
*/
void
delay (x)
int x;
{
int y = 17;
while (x-- !=0)
y = y^2;
}