77 lines
1.9 KiB
C
77 lines
1.9 KiB
C
/* Copyright (C) 1994 Free Software Foundation, Inc.
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Contributed by Joel Sherrill (jsherril@redstone-emh2.army.mil),
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On-Line Applications Research Corporation.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If
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not, write to the Free Software Foundation, Inc., 675 Mass Ave,
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Cambridge, MA 02139, USA. */
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#include <ansidecl.h>
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#include <standalone.h>
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#include "__i960ca.h"
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/* Console IO routines for a NINDY960 board. */
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/*
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* NINDY_IO( ... )
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*
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* Interface to NINDY.
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*/
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#define NINDY_INPUT 0
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#define NINDY_OUTPUT 1
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void ___NINDY_IO_WRAPPER( void ) /* never called */
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{
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asm volatile ( " .text" );
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asm volatile ( " .align 4" );
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asm volatile ( " .globl _NINDY_IO" );
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asm volatile ( "_NINDY_IO:" );
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asm volatile ( " calls 0 /* call console routines */" );
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asm volatile ( " ret" );
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}
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/***** !!!! HOW DO I EXFUN NINDY_IO? !!!! *****/
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/* _Console_Putc
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This routine transmits a character using NINDY. */
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int
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DEFUN( _Console_Putc, (ch), char ch )
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{
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NINDY_IO( NINDY_OUTPUT, ch );
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return( 0 );
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}
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/* _Console_Getc
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This routine reads a character from NINDY and returns it. */
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int
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DEFUN( _Console_Getc, (poll), int poll )
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{
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char ch;
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if ( poll ) {
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/* I don't know how to poll with NINDY */
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return -1;
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} else {
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NINDY_IO( NINDY_INPUT, &ch );
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return ch;
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}
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}
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