/*- * Copyright (c) 1986 The Regents of the University of California. * All rights reserved. * * This code is derived from software contributed to Berkeley by * Computer Consoles Inc. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)Awrite_word.c 7.1 (Berkeley) 12/6/90 */ #include "align.h" write_word (infop, word, where) process_info *infop; long word; struct oprnd *where; /* /* Put the word at the given address in /* tahoe's memory. /* /* 1. The least significant word is written. /* /**************************************************/ { register struct operand_des *look_at; look_at = &Table[opCODE].operand[last_operand]; if (! (look_at->add_modes & NOVF)) if (word > 0x7fff || word < -0x8000) overflow_1; if (! (where->mode & W)) exception(infop, ILL_ADDRMOD); switch (where->mode & ADDFIELD) /* Mask out R/W bits */ { case Add: put_word (infop, word, where->address); break; case Dir: Replace (infop, where->reg_number, word); break; case SPmode: where->mode = where->mode & ~SPmode | Add; write_longword (infop, word, where); break; default: printf("Unknown destination in write_word (alignment code)\n"); }; }