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Interlisp.maiko/src/array4.c

85 lines
2.2 KiB
C
Executable File

/* This is G-file @(#) array4.c Version 2.7 (10/12/88). copyright Xerox & Fuji Xerox */
static char *id = "@(#) array4.c 2.7 10/12/88";
/************************************************************************/
/* */
/* (C) Copyright 1989-95 Venue. All Rights Reserved. */
/* Manufactured in the United States of America. */
/* */
/* The contents of this file are proprietary information */
/* belonging to Venue, and are provided to you under license. */
/* They may not be further distributed or disclosed to third */
/* parties without the specific permission of Venue. */
/* */
/************************************************************************/
#include "version.h"
/************************************************************************/
/* */
/* A R R A Y 4 . C */
/* */
/* Contains: N_OP_aset1 */
/* */
/************************************************************************/
#include <stdio.h>
#include "lispemul.h"
#include "lspglob.h"
#include "adr68k.h"
#include "lispmap.h"
#include "lsptypes.h"
#include "arith.h"
#include "gc.h"
#include "my.h"
/*** N_OP_aset1 -- op 267 (new-value array index) ***/
/************************************************************************/
/* */
/* N _ O P _ a s e t 1 */
/* */
/* 1-dimensional array setter. */
/* */
/************************************************************************/
LispPTR N_OP_aset1(register LispPTR data, LispPTR arrayarg, register int inx)
{
register int type;
register OneDArray *arrayblk;
register LispPTR base;
register int new;
register int index;
/* verify array */
if (GetTypeNumber(arrayarg) != TYPE_ONED_ARRAY) ERROR_EXIT(inx);
arrayblk = (OneDArray *)Addr68k_from_LADDR(arrayarg);
/* test and setup index */
N_GetPos(inx, index, inx);
if (index >= arrayblk->totalsize) ERROR_EXIT(inx);
index += arrayblk->offset;
/* setup typenumber */
type = 0xFF & arrayblk->typenumber;
/* setup base */
base = arrayblk->base;
/* disp on type */
aset_switch(type, inx);
doufn: ERROR_EXIT(inx);
} /* end N_OP_aset1() */