xref: /netbsd-src/sys/arch/mvme68k/stand/libbug/inchr.c (revision a07f7c80690d0af05ca7630aebc638f51f3185e1)
1*a07f7c80Stsutsui /*	$NetBSD: inchr.c,v 1.4 2008/01/12 09:54:31 tsutsui Exp $	*/
294e848e8Schuck 
394e848e8Schuck /*
494e848e8Schuck  * bug routines -- assumes that the necessary sections of memory
594e848e8Schuck  * are preserved.
694e848e8Schuck  */
794e848e8Schuck #include <sys/types.h>
894e848e8Schuck #include <machine/prom.h>
994e848e8Schuck 
10e63501d2Sjunyoung #include <lib/libsa/stand.h>
1194e848e8Schuck #include "libbug.h"
1294e848e8Schuck 
1394e848e8Schuck /* returns 0 if no characters ready to read */
1494e848e8Schuck int
getchar(void)15*a07f7c80Stsutsui getchar(void)
1694e848e8Schuck {
1794e848e8Schuck 	int ret;
1894e848e8Schuck 
1994e848e8Schuck 	MVMEPROM_NOARG();
2094e848e8Schuck 	MVMEPROM_CALL(MVMEPROM_INCHR);
2194e848e8Schuck 	MVMEPROM_RETURN_BYTE(ret);
2294e848e8Schuck }
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