--- /dev/null
+#ident "$Id$"
+/* ----------------------------------------------------------------------- *
+ *
+ * Copyright 2001 H. Peter Anvin - All Rights Reserved
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, Inc., 53 Temple Place Ste 330,
+ * Bostom MA 02111-1307, USA; either version 2 of the License, or
+ * (at your option) any later version; incorporated herein by reference.
+ *
+ * ----------------------------------------------------------------------- */
+
+/*
+ * conio.c
+ *
+ * Output to the screen
+ */
+
+#include "conio.h"
+
+int putchar(int ch)
+{
+ if ( ch == '\n' )
+ putchar('\r'); /* \n -> \r\n */
+
+ asm volatile("int $0x10"
+ :: "a" (0x1400|(ch&0xff)),
+ "b" (0x07)
+ : "eax", "ebx", "ecx", "edx",
+ "esi", "edi", "ebp");
+
+ return ch;
+}
+
+int puts(const char *s)
+{
+ int count = 0;
+
+ while ( *s ) {
+ putchar(*s);
+ count++;
+ }
+
+ return count;
+}
--- /dev/null
+#ident "$Id$"
+/* ----------------------------------------------------------------------- *
+ *
+ * Copyright 2001 H. Peter Anvin - All Rights Reserved
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, Inc., 53 Temple Place Ste 330,
+ * Bostom MA 02111-1307, USA; either version 2 of the License, or
+ * (at your option) any later version; incorporated herein by reference.
+ *
+ * ----------------------------------------------------------------------- */
+
+/*
+ * conio.h
+ *
+ * Limited console I/O
+ */
+
+#ifndef CONIO_H
+#define CONIO_H
+
+int putchar(int);
+int puts(const char *);
+
+#endif