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https://github.com/Interlisp/maiko.git
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199 lines
5.6 KiB
C
199 lines
5.6 KiB
C
/************************************************************************/
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/* */
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/* (C) Copyright 1989-95 Venue. All Rights Reserved. */
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/* Manufactured in the United States of America. */
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/* */
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/************************************************************************/
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#include "version.h"
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#include "adr68k.h" // for NativeAligned4FromLAddr
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#include "arrayopsdefs.h" // for N_OP_misc3, N_OP_misc4, N_OP_aref1, N_OP_aset1, N_OP_aref2, N_OP_aset2
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#include "emlglob.h"
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#include "lispemul.h" // for state, LispPTR, ERROR_EXIT
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#include "lspglob.h"
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#include "lsptypes.h"
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#include "my.h" // for aref_switch, N_GetPos
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/************************************************************
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OP_claref -- op 372/9 (base typenumber index)
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type size typenumber
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0 0 0 unsigned : 1 bit
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0 3 3 unsigned : 8 bits
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0 4 4 unsigned : 16 bits
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1 4 20 signed : 16 bits
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1 6 22 signed : 32 bits
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2 6 38 pointer : 32 bits
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3 6 54 float : 32 bits
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4 3 67 character : 8 bits
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4 4 68 character : 16 bits
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5 6 86 Xpointer : 32 bits
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***********************************************************/
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/*** N_OP_misc3 -- op 372/9 (base typenumber index) ***/
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LispPTR N_OP_misc3(LispPTR baseL, LispPTR typenumber, LispPTR inx, int alpha) {
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int index, type;
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if (alpha != 9) ERROR_EXIT(inx);
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/* test and setup index */
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N_GetPos(inx, index, inx);
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/* test and setup typenumber */
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N_GetPos(typenumber, type, inx);
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/* dispatch on type */
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return (aref_switch(type, inx, baseL, index));
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} /* end N_OP_misc3() */
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/************************************************************************/
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/* */
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/* N _ O P _ m i s c 4 */
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/* */
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/* CL:ASET opcode op 373/7 (data, base typenumber, index) */
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/* */
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/************************************************************************/
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LispPTR N_OP_misc4(LispPTR data, LispPTR base, LispPTR typenumber,
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LispPTR inx, int alpha) {
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int new;
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int index;
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int type;
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if (alpha != 7) ERROR_EXIT(inx);
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/* test and setup index */
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N_GetPos(inx, index, inx);
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/* test and setup typenumber */
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N_GetPos(typenumber, type, inx);
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aset_switch(type, inx);
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doufn:
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ERROR_EXIT(inx);
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} /* end N_OP_misc4() */
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/*** N_OP_aref1 -- op 266 (array index) ***/
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LispPTR N_OP_aref1(LispPTR arrayarg, LispPTR inx) {
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LispPTR baseL;
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int index;
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OneDArray *arrayblk;
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/* verify array */
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if (GetTypeNumber(arrayarg) != TYPE_ONED_ARRAY) ERROR_EXIT(inx);
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arrayblk = (OneDArray *)NativeAligned4FromLAddr(arrayarg);
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/* test and setup index */
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N_GetPos(inx, index, inx);
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if (index >= arrayblk->totalsize) ERROR_EXIT(inx);
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index += arrayblk->offset;
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/* setup base */
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baseL = arrayblk->base;
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/* dispatch on type */
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return (aref_switch(arrayblk->typenumber, inx, baseL, index));
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} /* end N_OP_aref1() */
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/*** N_OP_aset1 -- op 267 (new-value array index) ***/
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/************************************************************************/
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/* */
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/* N _ O P _ a s e t 1 */
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/* */
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/* 1-dimensional array setter. */
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/* */
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/************************************************************************/
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LispPTR N_OP_aset1(LispPTR data, LispPTR arrayarg, int inx) {
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OneDArray *arrayblk;
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LispPTR base;
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int new;
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int index;
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/* verify array */
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if (GetTypeNumber(arrayarg) != TYPE_ONED_ARRAY) ERROR_EXIT(inx);
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arrayblk = (OneDArray *)NativeAligned4FromLAddr(arrayarg);
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/* test and setup index */
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N_GetPos(inx, index, inx);
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if (index >= arrayblk->totalsize) ERROR_EXIT(inx);
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index += arrayblk->offset;
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/* setup base */
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base = arrayblk->base;
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/* dispatch on type */
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aset_switch(arrayblk->typenumber, inx);
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doufn:
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ERROR_EXIT(inx);
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} /* end N_OP_aset1() */
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/************************************************************************/
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/* */
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/* N _ O P _ a r e f 2 */
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/* */
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/* 2-d AREF op 356 (array index0 index1) */
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/* */
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/************************************************************************/
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LispPTR N_OP_aref2(LispPTR arrayarg, LispPTR inx0, LispPTR inx1) {
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LispPTR baseL;
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int arindex, temp;
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LispArray *arrayblk;
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int j;
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/* verify array */
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if (GetTypeNumber(arrayarg) != TYPE_TWOD_ARRAY) ERROR_EXIT(inx1);
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arrayblk = (LispArray *)NativeAligned4FromLAddr(arrayarg);
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baseL = arrayblk->base;
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/* test and setup index */
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N_GetPos(inx1, temp, inx1);
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if (temp >= (j = arrayblk->Dim1)) ERROR_EXIT(inx1);
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N_GetPos(inx0, arindex, inx1);
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if (arindex >= arrayblk->Dim0) ERROR_EXIT(inx1);
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arindex *= j;
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arindex += temp;
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/* disp on type */
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return (aref_switch(arrayblk->typenumber, inx1, baseL, arindex));
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} /* end N_OP_aref2() */
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/*** N_OP_aset2 -- op 357 (new-value array index0 index1) ***/
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LispPTR N_OP_aset2(LispPTR data, LispPTR arrayarg, LispPTR inx0, LispPTR inx1) {
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LispArray *arrayblk;
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LispPTR base;
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int new;
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int index, temp;
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int j;
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/* verify array */
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if (GetTypeNumber(arrayarg) != TYPE_TWOD_ARRAY) ERROR_EXIT(inx1);
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arrayblk = (LispArray *)NativeAligned4FromLAddr(arrayarg);
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base = arrayblk->base;
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/* test and setup index */
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N_GetPos(inx1, temp, inx1);
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if (temp >= (j = arrayblk->Dim1)) ERROR_EXIT(inx1);
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N_GetPos(inx0, index, inx1);
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if (index >= arrayblk->Dim0) ERROR_EXIT(inx1);
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index *= j;
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index += temp;
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/* dispatch on type */
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aset_switch(arrayblk->typenumber, inx1);
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doufn:
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ERROR_EXIT(inx1);
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} /* end N_OP_aset2() */
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