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[/] [or1k/] [trunk/] [insight/] [utils/] [amd-udi/] [mondfe/] [asm.c] - Blame information for rev 578

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static char _[] = " @(#)asm.c   5.23 93/10/26 10:17:03, Srini, AMD";
2 
/******************************************************************************
3 
 * Copyright 1991 Advanced Micro Devices, Inc.
4 
 *
5 
 * This software is the property of Advanced Micro Devices, Inc  (AMD)  which
6 
 * specifically  grants the user the right to modify, use and distribute this
7 
 * software provided this notice is not removed or altered.  All other rights
8 
 * are reserved by AMD.
9 
 *
10 
 * AMD MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARD TO THIS
11 
 * SOFTWARE.  IN NO EVENT SHALL AMD BE LIABLE FOR INCIDENTAL OR CONSEQUENTIAL
12 
 * DAMAGES IN CONNECTION WITH OR ARISING FROM THE FURNISHING, PERFORMANCE, OR
13 
 * USE OF THIS SOFTWARE.
14 
 *
15 
 * So that all may benefit from your experience, please report  any  problems
16 
 * or  suggestions about this software to the 29K Technical Support Center at
17 
 * 800-29-29-AMD (800-292-9263) in the USA, or 0800-89-1131  in  the  UK,  or
18 
 * 0031-11-1129 in Japan, toll free.  The direct dial number is 512-462-4118.
19 
 *
20 
 * Advanced Micro Devices, Inc.
21 
 * 29K Support Products
22 
 * Mail Stop 573
23 
 * 5900 E. Ben White Blvd.
24 
 * Austin, TX 78741
25 
 * 800-292-9263
26 
 *****************************************************************************
27 
 *      Engineer: Srini Subramanian.
28 
 *****************************************************************************
29 
 * This module supports the assemble command to assemble 29K instructions
30 
 * in memory.
31 
 *****************************************************************************
32 
 */
33 
 
34 
 
35 
#include <stdio.h>
36 
#include "opcodes.h"
37 
#include "memspcs.h"
38 
#include "main.h"
39 
#include "monitor.h"
40 
#include "macros.h"
41 
#include "miniint.h"
42 
#include "error.h"
43 
 
44 
#ifdef  MSDOS
45 
#include <string.h>
46 
#define strcasecmp      stricmp
47 
#else
48 
#include <string.h>
49 
#endif
50 
 
51 
 
52 
/*
53 
** There are approximately 23 different instruction formats for the
54 
** Am29000.  Instructions are assembled using one of these formats.
55 
**
56 
** Note:  Opcodes in the "switch" statement are sorted in numerical
57 
**        order.
58 
**
59 
*/
60 
 
61 
 
62 
int     get_addr_29k_m PARAMS((char *, struct addr_29k_t *, INT32));
63 
int     addr_29k_ok PARAMS((struct addr_29k_t *));
64 
void    convert32 PARAMS((BYTE *));
65 
int     set_data PARAMS((BYTE *, BYTE *, int));
66 
 
67 
int  asm_instr PARAMS((struct instr_t *, char **, int));
68 
 
69 
int  asm_arith_logic PARAMS((struct instr_t *, struct addr_29k_t *, int));
70 
int  asm_load_store PARAMS((struct instr_t *, struct addr_29k_t *, int));
71 
int  asm_vector PARAMS((struct instr_t *, struct addr_29k_t *, int));
72 
int  asm_no_parms PARAMS((struct instr_t *, struct addr_29k_t *, int));
73 
int  asm_one_parms PARAMS((struct instr_t *, struct addr_29k_t *, int));
74 
int  asm_float PARAMS((struct instr_t *, struct addr_29k_t *, int));
75 
int  asm_call_jmp PARAMS((struct instr_t *, struct addr_29k_t *, int));
76 
int  asm_calli_jmpi PARAMS((struct instr_t *, struct addr_29k_t *, int));
77 
int  asm_class PARAMS((struct instr_t *, struct addr_29k_t *, int));
78 
int  asm_clz PARAMS((struct instr_t *, struct addr_29k_t *, int));
79 
int  asm_const PARAMS((struct instr_t *, struct addr_29k_t *, int));
80 
int  asm_consth PARAMS((struct instr_t *, struct addr_29k_t *, int));
81 
int  asm_convert PARAMS((struct instr_t *, struct addr_29k_t *, int));
82 
int  asm_div0 PARAMS((struct instr_t *, struct addr_29k_t *, int));
83 
int  asm_exhws PARAMS((struct instr_t *, struct addr_29k_t *, int));
84 
int  asm_jmp PARAMS((struct instr_t *, struct addr_29k_t *, int));
85 
int  asm_jmpi PARAMS((struct instr_t *, struct addr_29k_t *, int));
86 
int  asm_mfsr PARAMS((struct instr_t *, struct addr_29k_t *, int));
87 
int  asm_mtsr PARAMS((struct instr_t *, struct addr_29k_t *, int));
88 
int  asm_mtsrim PARAMS((struct instr_t *, struct addr_29k_t *, int));
89 
int  asm_mftlb PARAMS((struct instr_t *, struct addr_29k_t *, int));
90 
int  asm_mttlb PARAMS((struct instr_t *, struct addr_29k_t *, int));
91 
int  asm_sqrt PARAMS((struct instr_t *, struct addr_29k_t *, int));
92 
int  asm_emulate PARAMS((struct instr_t *, struct addr_29k_t *, int));
93 
 
94 
extern  void    Mini_poll_kbd PARAMS((char  *cmd_buffer, int size, int mode));
95 
extern  int     Mini_cmdfile_input PARAMS((char  *cmd_buffer, int size));
96 
extern  int     tokenize_cmd PARAMS((char *, char **));
97 
extern  void    lcase_tokens PARAMS((char **, int));
98 
extern  INT32   do_assemble PARAMS(( struct addr_29k_t  addr_29k,
99 
                                     char       *token[],
100 
                                     int        token_count));
101 
#ifndef XRAY
102 
 
103 
extern  char    cmd_buffer[];
104 
 
105 
#define MAX_ASM_TOKENS  15
106 
static  char    *asm_token[MAX_ASM_TOKENS];
107 
static  int     asm_token_count;
108 
 
109 
/*
110 
** This function is used to assemble an instruction.  The command
111 
** takes as parameters an array of strings (*token[]) and a
112 
** count (token_count) which gives the number of tokens in the
113 
** array.  These tokens should have the following values:
114 
**
115 
** token[0] - 'a' (the assemble command)
116 
** token[1] - <address> (the address to assemble instruction at)
117 
** token[2] - <opcode>  (the 29K opcode nmemonic)
118 
** token[3] to token[n] - parameters to the assembly instruction.
119 
**
120 
*/
121 
 
122 
INT32
123 
asm_cmd(token, token_count)
124 
   char   *token[];
125 
   int     token_count;
126 
   {
127 
   INT32                result;
128 
   struct addr_29k_t    addr_29k;
129 
   int          asm_done;
130 
 
131 
   /*
132 
   ** Parse parameters
133 
   */
134 
 
135 
   if ((token_count < 2) || (token_count > 9)) {
136 
      return (EMSYNTAX);
137 
   } else if (token_count == 2) {
138 
      /* Get address of assembly */
139 
      result = get_addr_29k_m(token[1], &addr_29k, I_MEM);
140 
      if (result != 0)
141 
         return (result);
142 
      result = addr_29k_ok(&addr_29k);
143 
      if (result != 0)
144 
         return (result);
145 
      asm_done = 0;
146 
      fprintf(stderr, "0x%08lx:\t", addr_29k.address);
147 
      do {
148 
        if (io_config.cmd_file_io == TRUE) {
149 
             if (Mini_cmdfile_input(cmd_buffer, BUFFER_SIZE) == SUCCESS) {
150 
               fprintf(stderr, "%s", cmd_buffer);
151 
             } else {
152 
               Mini_poll_kbd(cmd_buffer, BUFFER_SIZE, BLOCK); /* block */
153 
             }
154 
        } else {
155 
             Mini_poll_kbd(cmd_buffer, BUFFER_SIZE, BLOCK); /* block */
156 
        }
157 
        if (io_config.log_file)  /* make a log file */
158 
#ifdef  MSDOS
159 
            fprintf(io_config.log_file, "%s\n", cmd_buffer);
160 
#else
161 
            fprintf(io_config.log_file, "%s", cmd_buffer);
162 
#endif
163 
        if (io_config.echo_mode == (INT32) TRUE)
164 
#ifdef  MSDOS
165 
            fprintf(io_config.echo_file, "%s\n", cmd_buffer);
166 
#else
167 
            fprintf(io_config.echo_file, "%s", cmd_buffer);
168 
#endif
169 
        asm_token_count = tokenize_cmd(cmd_buffer, asm_token);
170 
        lcase_tokens(asm_token, asm_token_count);
171 
        if (strcmp(token[0], ".") == 0)
172 
          asm_done = 1;
173 
        else {
174 
          result= do_assemble(addr_29k, &asm_token[0], asm_token_count);
175 
          if (result != SUCCESS)
176 
            warning (result);
177 
          else
178 
            addr_29k.address = addr_29k.address + 4;
179 
          fprintf(stderr, "0x%08lx:\t", addr_29k.address);
180 
        }
181 
      } while (asm_done != 1);
182 
   } else {
183 
      /* Get address of assembly */
184 
      result = get_addr_29k_m(token[1], &addr_29k, I_MEM);
185 
      if (result != 0)
186 
         return (result);
187 
      result = addr_29k_ok(&addr_29k);
188 
      if (result != 0)
189 
         return (result);
190 
      return (do_assemble(addr_29k, &token[2], (token_count-2)));
191 
   }
192 
   return (SUCCESS);
193 
}
194 
 
195 
 
196 
INT32
197 
do_assemble(addr_29k, token, token_count)
198 
struct addr_29k_t       addr_29k;
199 
char                    *token[];
200 
int                     token_count;
201 
{
202 
   INT32    result;
203 
   struct instr_t    instr;
204 
 
205 
   INT32        retval;
206 
   BYTE         *write_data;
207 
   INT32        bytes_ret;
208 
   INT32        hostendian;     /* for UDI conformant */
209 
 
210 
   /* Initialize instr */
211 
   instr.op = 0;
212 
   instr.c  = 0;
213 
   instr.a  = 0;
214 
   instr.b  = 0;
215 
 
216 
   /* Assemble instruction */
217 
   result = asm_instr(&instr, &(token[0]), token_count);
218 
 
219 
   if (result != 0)
220 
      return (EMSYNTAX);
221 
 
222 
   /* Will the data overflow the message buffer?  done in TIP */
223 
   write_data = (BYTE *) &instr;
224 
 
225 
   hostendian = FALSE;
226 
   if ((retval = Mini_write_req (addr_29k.memory_space,
227 
                                 addr_29k.address,
228 
                                 1, /* count */
229 
                                 (INT16) sizeof(INST32),  /* size */
230 
                                 &bytes_ret,
231 
                                 write_data,
232 
                                 hostendian)) != SUCCESS) {
233 
      return(FAILURE);
234 
   };
235 
   return (SUCCESS);
236 
}
237 
#endif
238 
 
239 
/*
240 
** This function is used to assemble a single Am29000 instruction.
241 
** The token[] array contains the lower-case tokens for a single
242 
** assembler instruction.  The token_count contains the number of
243 
** tokens in the array.  This number should be at least 1 (as in the
244 
** cases of instructions like IRET) and at most 5 (for instructions
245 
** like LOAD).
246 
*/
247 
 
248 
#ifdef XRAY
249 
  extern struct t_inst_table {
250 
        char  *inst_mnem;
251 
        unsigned char   oprn_fmt;
252 
} inst_table[];
253 
#endif
254 
 
255 
int
256 
asm_instr(instr, token, token_count)
257 
   struct   instr_t *instr;
258 
   char    *token[];
259 
   int      token_count;
260 
   {
261 
   int    i;
262 
   int    result;
263 
   struct addr_29k_t parm[10];
264 
   char   temp_opcode[20];
265 
   char  *temp_ptr;
266 
   int    opcode_found;
267 
   static char  *str_0x40="0x40";
268 
   static char  *str_gr1="gr1";
269 
 
270 
 
271 
   /* Is token_count valid, and is the first token a string? */
272 
   if ((token_count < 1) ||
273 
       (token_count > 7) ||
274 
       (strcmp(token[0], "") == 0))
275 
      return (EMSYNTAX);
276 
 
277 
   /* Get opcode */
278 
 
279 
   /*
280 
   ** Note:  Since the opcode_name[] string used in the disassembler
281 
   ** uses padded strings, we cannot do a strcmp().  We canot do a
282 
   ** strncmp() of the length of token[0] either, since "and" will
283 
   ** match up (for instance) with "andn".  So we copy the string,
284 
   ** null terminate at the first pad character (space), and then
285 
   ** compare.  This is inefficient, but necessary.
286 
   */
287 
 
288 
   i=0;
289 
   opcode_found = FALSE;
290 
   while ((i<256) && (opcode_found != TRUE)) {
291 
#ifdef XRAY
292 
      result = strcasecmp(token[0], inst_table[i].inst_mnem);
293 
#else
294 
      temp_ptr = strcpy(temp_opcode, opcode_name[i]);
295 
 
296 
      if (strcmp(temp_ptr, "") != 0)
297 
         temp_ptr = strtok(temp_opcode, " ");
298 
      result = strcmp(token[0], temp_ptr);
299 
#endif
300 
 
301 
      if (result == 0) {
302 
         opcode_found = TRUE;
303 
         instr->op = (BYTE) i;
304 
         }
305 
      i = i + 1;
306 
      }  /* end while */
307 
 
308 
   /* Check for a NOP */
309 
   if ((opcode_found == FALSE) &&
310 
       (strcasecmp(token[0], "nop") == 0)) {
311 
      opcode_found = TRUE;
312 
      instr->op = ASEQ0;
313 
      /* Fake up tokens to give "aseq 0x40,gr1,gr1" */
314 
      token_count = 4;
315 
      token[1] = str_0x40;
316 
      token[2] = str_gr1;
317 
      token[3] = str_gr1;
318 
      }
319 
 
320 
   if (opcode_found == FALSE)
321 
      return (EMSYNTAX);
322 
 
323 
   if ((strcasecmp(token[0], "iretinv") == 0) ||
324 
       (strcasecmp(token[0], "inv") == 0) ) {
325 
       /* iretinv and inv instructions */
326 
      for (i=1; i<token_count; i=i+1) {
327 
         result = get_addr_29k_m(token[i], &(parm[i-1]), GENERIC_SPACE);
328 
         if (result != 0)
329 
            return (result);
330 
      }
331 
   } else {
332 
   /* Make the other tokens into addr_29k */
333 
   for (i=1; i<token_count; i=i+1) {
334 
      result = get_addr_29k_m(token[i], &(parm[i-1]), I_MEM);
335 
      if (result != 0)
336 
         return (result);
337 
      /* Check if register values are legal */
338 
      if (ISREG(parm[i-1].memory_space)) {
339 
         result = addr_29k_ok(&(parm[i-1]));
340 
         if (result != 0)
341 
            return (EMBADREG);
342 
         }
343 
      /* Set bit 7 if a LOCAL_REG */
344 
      if (parm[i-1].memory_space == LOCAL_REG)
345 
         parm[i-1].address = (parm[i-1].address | 0x80);
346 
      }
347 
   }
348 
 
349 
 
350 
   switch (instr->op) {
351 
 
352 
      /* Opcodes 0x00 to 0x0F */
353 
      case ILLEGAL_00:  result = EMSYNTAX;
354 
                        break;
355 
      case CONSTN:      result = asm_const(instr, parm, 2);
356 
                        break;
357 
      case CONSTH:      result = asm_consth(instr, parm, 2);
358 
                        break;
359 
      case CONST:       result = asm_const(instr, parm, 2);
360 
                        break;
361 
      case MTSRIM:      result = asm_mtsrim(instr, parm, 2);
362 
                        break;
363 
      case CONSTHZ:     result = asm_const(instr, parm, 2);
364 
                        break;
365 
      case LOADL0:      result = asm_load_store(instr, parm, 4);
366 
                        break;
367 
      case LOADL1:      result = asm_load_store(instr, parm, 4);
368 
                        break;
369 
      case CLZ0:        result = asm_clz(instr, parm, 2);
370 
                        break;
371 
      case CLZ1:        result = asm_clz(instr, parm, 2);
372 
                        break;
373 
      case EXBYTE0:     result = asm_arith_logic(instr, parm, 3);
374 
                        break;
375 
      case EXBYTE1:     result = asm_arith_logic(instr, parm, 3);
376 
                        break;
377 
      case INBYTE0:     result = asm_arith_logic(instr, parm, 3);
378 
                        break;
379 
      case INBYTE1:     result = asm_arith_logic(instr, parm, 3);
380 
                        break;
381 
      case STOREL0:     result = asm_load_store(instr, parm, 4);
382 
                        break;
383 
      case STOREL1:     result = asm_load_store(instr, parm, 4);
384 
                        break;
385 
 
386 
      /* Opcodes 0x10 to 0x1F */
387 
      case ADDS0:       result = asm_arith_logic(instr, parm, 3);
388 
                        break;
389 
      case ADDS1:       result = asm_arith_logic(instr, parm, 3);
390 
                        break;
391 
      case ADDU0:       result = asm_arith_logic(instr, parm, 3);
392 
                        break;
393 
      case ADDU1:       result = asm_arith_logic(instr, parm, 3);
394 
                        break;
395 
      case ADD0:        result = asm_arith_logic(instr, parm, 3);
396 
                        break;
397 
      case ADD1:        result = asm_arith_logic(instr, parm, 3);
398 
                        break;
399 
      case LOAD0:       result = asm_load_store(instr, parm, 4);
400 
                        break;
401 
      case LOAD1:       result = asm_load_store(instr, parm, 4);
402 
                        break;
403 
      case ADDCS0:      result = asm_arith_logic(instr, parm, 3);
404 
                        break;
405 
      case ADDCS1:      result = asm_arith_logic(instr, parm, 3);
406 
                        break;
407 
      case ADDCU0:      result = asm_arith_logic(instr, parm, 3);
408 
                        break;
409 
      case ADDCU1:      result = asm_arith_logic(instr, parm, 3);
410 
                        break;
411 
      case ADDC0:       result = asm_arith_logic(instr, parm, 3);
412 
                        break;
413 
      case ADDC1:       result = asm_arith_logic(instr, parm, 3);
414 
                        break;
415 
      case STORE0:      result = asm_load_store(instr, parm, 4);
416 
                        break;
417 
      case STORE1:      result = asm_load_store(instr, parm, 4);
418 
                        break;
419 
 
420 
      /* Opcodes 0x20 to 0x2F */
421 
      case SUBS0:       result = asm_arith_logic(instr, parm, 3);
422 
                        break;
423 
      case SUBS1:       result = asm_arith_logic(instr, parm, 3);
424 
                        break;
425 
      case SUBU0:       result = asm_arith_logic(instr, parm, 3);
426 
                        break;
427 
      case SUBU1:       result = asm_arith_logic(instr, parm, 3);
428 
                        break;
429 
      case SUB0:        result = asm_arith_logic(instr, parm, 3);
430 
                        break;
431 
      case SUB1:        result = asm_arith_logic(instr, parm, 3);
432 
                        break;
433 
      case LOADSET0:    result = asm_load_store(instr, parm, 4);
434 
                        break;
435 
      case LOADSET1:    result = asm_load_store(instr, parm, 4);
436 
                        break;
437 
      case SUBCS0:      result = asm_arith_logic(instr, parm, 3);
438 
                        break;
439 
      case SUBCS1:      result = asm_arith_logic(instr, parm, 3);
440 
                        break;
441 
      case SUBCU0:      result = asm_arith_logic(instr, parm, 3);
442 
                        break;
443 
      case SUBCU1:      result = asm_arith_logic(instr, parm, 3);
444 
                        break;
445 
      case SUBC0:       result = asm_arith_logic(instr, parm, 3);
446 
                        break;
447 
      case SUBC1:       result = asm_arith_logic(instr, parm, 3);
448 
                        break;
449 
      case CPBYTE0:     result = asm_arith_logic(instr, parm, 3);
450 
                        break;
451 
      case CPBYTE1:     result = asm_arith_logic(instr, parm, 3);
452 
                        break;
453 
 
454 
 
455 
      /* Opcodes 0x30 to 0x3F */
456 
      case SUBRS0:      result = asm_arith_logic(instr, parm, 3);
457 
                        break;
458 
      case SUBRS1:      result = asm_arith_logic(instr, parm, 3);
459 
                        break;
460 
      case SUBRU0:      result = asm_arith_logic(instr, parm, 3);
461 
                        break;
462 
      case SUBRU1:      result = asm_arith_logic(instr, parm, 3);
463 
                        break;
464 
      case SUBR0:       result = asm_arith_logic(instr, parm, 3);
465 
                        break;
466 
      case SUBR1:       result = asm_arith_logic(instr, parm, 3);
467 
                        break;
468 
      case LOADM0:      result = asm_load_store(instr, parm, 4);
469 
                        break;
470 
      case LOADM1:      result = asm_load_store(instr, parm, 4);
471 
                        break;
472 
      case SUBRCS0:     result = asm_arith_logic(instr, parm, 3);
473 
                        break;
474 
      case SUBRCS1:     result = asm_arith_logic(instr, parm, 3);
475 
                        break;
476 
      case SUBRCU0:     result = asm_arith_logic(instr, parm, 3);
477 
                        break;
478 
      case SUBRCU1:     result = asm_arith_logic(instr, parm, 3);
479 
                        break;
480 
      case SUBRC0:      result = asm_arith_logic(instr, parm, 3);
481 
                        break;
482 
      case SUBRC1:      result = asm_arith_logic(instr, parm, 3);
483 
                        break;
484 
      case STOREM0:     result = asm_load_store(instr, parm, 4);
485 
                        break;
486 
      case STOREM1:     result = asm_load_store(instr, parm, 4);
487 
                        break;
488 
 
489 
      /* Opcodes 0x40 to 0x4F */
490 
      case CPLT0:       result = asm_arith_logic(instr, parm, 3);
491 
                        break;
492 
      case CPLT1:       result = asm_arith_logic(instr, parm, 3);
493 
                        break;
494 
      case CPLTU0:      result = asm_arith_logic(instr, parm, 3);
495 
                        break;
496 
      case CPLTU1:      result = asm_arith_logic(instr, parm, 3);
497 
                        break;
498 
      case CPLE0:       result = asm_arith_logic(instr, parm, 3);
499 
                        break;
500 
      case CPLE1:       result = asm_arith_logic(instr, parm, 3);
501 
                        break;
502 
      case CPLEU0:      result = asm_arith_logic(instr, parm, 3);
503 
                        break;
504 
      case CPLEU1:      result = asm_arith_logic(instr, parm, 3);
505 
                        break;
506 
      case CPGT0:       result = asm_arith_logic(instr, parm, 3);
507 
                        break;
508 
      case CPGT1:       result = asm_arith_logic(instr, parm, 3);
509 
                        break;
510 
      case CPGTU0:      result = asm_arith_logic(instr, parm, 3);
511 
                        break;
512 
      case CPGTU1:      result = asm_arith_logic(instr, parm, 3);
513 
                        break;
514 
      case CPGE0:       result = asm_arith_logic(instr, parm, 3);
515 
                        break;
516 
      case CPGE1:       result = asm_arith_logic(instr, parm, 3);
517 
                        break;
518 
      case CPGEU0:      result = asm_arith_logic(instr, parm, 3);
519 
                        break;
520 
      case CPGEU1:      result = asm_arith_logic(instr, parm, 3);
521 
                        break;
522 
 
523 
      /* Opcodes 0x50 to 0x5F */
524 
      case ASLT0:       result = asm_vector(instr, parm, 3);
525 
                        break;
526 
      case ASLT1:       result = asm_vector(instr, parm, 3);
527 
                        break;
528 
      case ASLTU0:      result = asm_vector(instr, parm, 3);
529 
                        break;
530 
      case ASLTU1:      result = asm_vector(instr, parm, 3);
531 
                        break;
532 
      case ASLE0:       result = asm_vector(instr, parm, 3);
533 
                        break;
534 
      case ASLE1:       result = asm_vector(instr, parm, 3);
535 
                        break;
536 
      case ASLEU0:      result = asm_vector(instr, parm, 3);
537 
                        break;
538 
      case ASLEU1:      result = asm_vector(instr, parm, 3);
539 
                        break;
540 
      case ASGT0:       result = asm_vector(instr, parm, 3);
541 
                        break;
542 
      case ASGT1:       result = asm_vector(instr, parm, 3);
543 
                        break;
544 
      case ASGTU0:      result = asm_vector(instr, parm, 3);
545 
                        break;
546 
      case ASGTU1:      result = asm_vector(instr, parm, 3);
547 
                        break;
548 
      case ASGE0:       result = asm_vector(instr, parm, 3);
549 
                        break;
550 
      case ASGE1:       result = asm_vector(instr, parm, 3);
551 
                        break;
552 
      case ASGEU0:      result = asm_vector(instr, parm, 3);
553 
                        break;
554 
      case ASGEU1:      result = asm_vector(instr, parm, 3);
555 
                        break;
556 
 
557 
      /* Opcodes 0x60 to 0x6F */
558 
      case CPEQ0:       result = asm_arith_logic(instr, parm, 3);
559 
                        break;
560 
      case CPEQ1:       result = asm_arith_logic(instr, parm, 3);
561 
                        break;
562 
      case CPNEQ0:      result = asm_arith_logic(instr, parm, 3);
563 
                        break;
564 
      case CPNEQ1:      result = asm_arith_logic(instr, parm, 3);
565 
                        break;
566 
      case MUL0:        result = asm_arith_logic(instr, parm, 3);
567 
                        break;
568 
      case MUL1:        result = asm_arith_logic(instr, parm, 3);
569 
                        break;
570 
      case MULL0:       result = asm_arith_logic(instr, parm, 3);
571 
                        break;
572 
      case MULL1:       result = asm_arith_logic(instr, parm, 3);
573 
                        break;
574 
      case DIV0_OP0:    result = asm_div0(instr, parm, 2);
575 
                        break;
576 
      case DIV0_OP1:    result = asm_div0(instr, parm, 2);
577 
                        break;
578 
      case DIV_OP0:     result = asm_arith_logic(instr, parm, 3);
579 
                        break;
580 
      case DIV_OP1:     result = asm_arith_logic(instr, parm, 3);
581 
                        break;
582 
      case DIVL0:       result = asm_arith_logic(instr, parm, 3);
583 
                        break;
584 
      case DIVL1:       result = asm_arith_logic(instr, parm, 3);
585 
                        break;
586 
      case DIVREM0:     result = asm_arith_logic(instr, parm, 3);
587 
                        break;
588 
      case DIVREM1:     result = asm_arith_logic(instr, parm, 3);
589 
                        break;
590 
 
591 
      /* Opcodes 0x70 to 0x7F */
592 
      case ASEQ0:       result = asm_vector(instr, parm, 3);
593 
                        break;
594 
      case ASEQ1:       result = asm_vector(instr, parm, 3);
595 
                        break;
596 
      case ASNEQ0:      result = asm_vector(instr, parm, 3);
597 
                        break;
598 
      case ASNEQ1:      result = asm_vector(instr, parm, 3);
599 
                        break;
600 
      case MULU0:       result = asm_arith_logic(instr, parm, 3);
601 
                        break;
602 
      case MULU1:       result = asm_arith_logic(instr, parm, 3);
603 
                        break;
604 
      case ILLEGAL_76:  result = EMSYNTAX;
605 
                        break;
606 
      case ILLEGAL_77:  result = EMSYNTAX;
607 
                        break;
608 
      case INHW0:       result = asm_arith_logic(instr, parm, 3);
609 
                        break;
610 
      case INHW1:       result = asm_arith_logic(instr, parm, 3);
611 
                        break;
612 
      case EXTRACT0:    result = asm_arith_logic(instr, parm, 3);
613 
                        break;
614 
      case EXTRACT1:    result = asm_arith_logic(instr, parm, 3);
615 
                        break;
616 
      case EXHW0:       result = asm_arith_logic(instr, parm, 3);
617 
                        break;
618 
      case EXHW1:       result = asm_arith_logic(instr, parm, 3);
619 
                        break;
620 
      case EXHWS:       result = asm_exhws(instr, parm, 2);
621 
                        break;
622 
      case ILLEGAL_7F:  result = EMSYNTAX;
623 
                        break;
624 
 
625 
      /* Opcodes 0x80 to 0x8F */
626 
      case SLL0:        result = asm_arith_logic(instr, parm, 3);
627 
                        break;
628 
      case SLL1:        result = asm_arith_logic(instr, parm, 3);
629 
                        break;
630 
      case SRL0:        result = asm_arith_logic(instr, parm, 3);
631 
                        break;
632 
      case SRL1:        result = asm_arith_logic(instr, parm, 3);
633 
                        break;
634 
      case ILLEGAL_84:  result = EMSYNTAX;
635 
                        break;
636 
      case ILLEGAL_85:  result = EMSYNTAX;
637 
                        break;
638 
      case SRA0:        result = asm_arith_logic(instr, parm, 3);
639 
                        break;
640 
      case SRA1:        result = asm_arith_logic(instr, parm, 3);
641 
                        break;
642 
      case IRET:
643 
                        result = asm_no_parms(instr, parm, 0);
644 
                        break;
645 
      case HALT_OP:     result = asm_no_parms(instr, parm, 0);
646 
                        break;
647 
      case ILLEGAL_8A:  result = EMSYNTAX;
648 
                        break;
649 
      case ILLEGAL_8B:  result = EMSYNTAX;
650 
                        break;
651 
      case IRETINV:
652 
                        if (token_count > 1)
653 
                            result = asm_one_parms(instr, parm, 1);
654 
                        else
655 
                            result = asm_no_parms(instr, parm, 0);
656 
                        break;
657 
      case ILLEGAL_8D:  result = EMSYNTAX;
658 
                        break;
659 
      case ILLEGAL_8E:  result = EMSYNTAX;
660 
                        break;
661 
      case ILLEGAL_8F:  result = EMSYNTAX;
662 
                        break;
663 
 
664 
      /* Opcodes 0x90 to 0x9F */
665 
      case AND_OP0:     result = asm_arith_logic(instr, parm, 3);
666 
                        break;
667 
      case AND_OP1:     result = asm_arith_logic(instr, parm, 3);
668 
                        break;
669 
      case OR_OP0:      result = asm_arith_logic(instr, parm, 3);
670 
                        break;
671 
      case OR_OP1:      result = asm_arith_logic(instr, parm, 3);
672 
                        break;
673 
      case XOR_OP0:     result = asm_arith_logic(instr, parm, 3);
674 
                        break;
675 
      case XOR_OP1:     result = asm_arith_logic(instr, parm, 3);
676 
                        break;
677 
      case XNOR0:       result = asm_arith_logic(instr, parm, 3);
678 
                        break;
679 
      case XNOR1:       result = asm_arith_logic(instr, parm, 3);
680 
                        break;
681 
      case NOR0:        result = asm_arith_logic(instr, parm, 3);
682 
                        break;
683 
      case NOR1:        result = asm_arith_logic(instr, parm, 3);
684 
                        break;
685 
      case NAND0:       result = asm_arith_logic(instr, parm, 3);
686 
                        break;
687 
      case NAND1:       result = asm_arith_logic(instr, parm, 3);
688 
                        break;
689 
      case ANDN0:       result = asm_arith_logic(instr, parm, 3);
690 
                        break;
691 
      case ANDN1:       result = asm_arith_logic(instr, parm, 3);
692 
                        break;
693 
      case SETIP:       result = asm_float(instr, parm, 3);
694 
                        break;
695 
      case INV:
696 
                          if (token_count > 1)
697 
                            result = asm_one_parms(instr, parm, 1);
698 
                          else
699 
                            result = asm_no_parms(instr, parm, 0);
700 
                        break;
701 
 
702 
      /* Opcodes 0xA0 to 0xAF */
703 
      case JMP0:        result = asm_jmp(instr, parm, 1);
704 
                        break;
705 
      case JMP1:        result = asm_jmp(instr, parm, 1);
706 
                        break;
707 
      case ILLEGAL_A2:  result = EMSYNTAX;
708 
                        break;
709 
      case ILLEGAL_A3:  result = EMSYNTAX;
710 
                        break;
711 
      case JMPF0:       result = asm_call_jmp(instr, parm, 2);
712 
                        break;
713 
      case JMPF1:       result = asm_call_jmp(instr, parm, 2);
714 
                        break;
715 
      case ILLEGAL_A6:  result = EMSYNTAX;
716 
                        break;
717 
      case ILLEGAL_A7:  result = EMSYNTAX;
718 
                        break;
719 
      case CALL0:       result = asm_call_jmp(instr, parm, 2);
720 
                        break;
721 
      case CALL1:       result = asm_call_jmp(instr, parm, 2);
722 
                        break;
723 
      case ORN_OP0:     result = EMSYNTAX;
724 
                        break;
725 
      case ORN_OP1:     result = EMSYNTAX;
726 
                        break;
727 
      case JMPT0:       result = asm_call_jmp(instr, parm, 2);
728 
                        break;
729 
      case JMPT1:       result = asm_call_jmp(instr, parm, 2);
730 
                        break;
731 
      case ILLEGAL_AE:  result = EMSYNTAX;
732 
                        break;
733 
      case ILLEGAL_AF:  result = EMSYNTAX;
734 
                        break;
735 
 
736 
      /* Opcodes 0xB0 to 0xBF */
737 
      case ILLEGAL_B0:  result = EMSYNTAX;
738 
                        break;
739 
      case ILLEGAL_B1:  result = EMSYNTAX;
740 
                        break;
741 
      case ILLEGAL_B2:  result = EMSYNTAX;
742 
                        break;
743 
      case ILLEGAL_B3:  result = EMSYNTAX;
744 
                        break;
745 
      case JMPFDEC0:    result = asm_call_jmp(instr, parm, 2);
746 
                        break;
747 
      case JMPFDEC1:    result = asm_call_jmp(instr, parm, 2);
748 
                        break;
749 
      case MFTLB:       result = asm_mftlb(instr, parm, 2);
750 
                        break;
751 
      case ILLEGAL_B7:  result = EMSYNTAX;
752 
                        break;
753 
      case ILLEGAL_B8:  result = EMSYNTAX;
754 
                        break;
755 
      case ILLEGAL_B9:  result = EMSYNTAX;
756 
                        break;
757 
      case ILLEGAL_BA:  result = EMSYNTAX;
758 
                        break;
759 
      case ILLEGAL_BB:  result = EMSYNTAX;
760 
                        break;
761 
      case ILLEGAL_BC:  result = EMSYNTAX;
762 
                        break;
763 
      case ILLEGAL_BD:  result = EMSYNTAX;
764 
                        break;
765 
      case MTTLB:       result = asm_mttlb(instr, parm, 2);
766 
                        break;
767 
      case ILLEGAL_BF:  result = EMSYNTAX;
768 
                        break;
769 
 
770 
      /* Opcodes 0xC0 to 0xCF */
771 
      case JMPI:        result = asm_jmpi(instr, parm, 1);
772 
                        break;
773 
      case ILLEGAL_C1:  result = EMSYNTAX;
774 
                        break;
775 
      case ILLEGAL_C2:  result = EMSYNTAX;
776 
                        break;
777 
      case ILLEGAL_C3:  result = EMSYNTAX;
778 
                        break;
779 
      case JMPFI:       result = asm_calli_jmpi(instr, parm, 2);
780 
                        break;
781 
      case ILLEGAL_C5:  result = EMSYNTAX;
782 
                        break;
783 
      case MFSR:        result = asm_mfsr(instr, parm, 2);
784 
                        break;
785 
      case ILLEGAL_C7:  result = EMSYNTAX;
786 
                        break;
787 
      case CALLI:       result = asm_calli_jmpi(instr, parm, 2);
788 
                        break;
789 
      case ILLEGAL_C9:  result = EMSYNTAX;
790 
                        break;
791 
      case ILLEGAL_CA:  result = EMSYNTAX;
792 
                        break;
793 
      case ILLEGAL_CB:  result = EMSYNTAX;
794 
                        break;
795 
      case JMPTI:       result = asm_calli_jmpi(instr, parm, 2);
796 
                        break;
797 
      case ILLEGAL_CD:  result = EMSYNTAX;
798 
                        break;
799 
      case MTSR:        result = asm_mtsr(instr, parm, 2);
800 
                        break;
801 
      case ILLEGAL_CF:  result = EMSYNTAX;
802 
                        break;
803 
 
804 
      /* Opcodes 0xD0 to 0xDF */
805 
      case ILLEGAL_D0:  result = EMSYNTAX;
806 
                        break;
807 
      case ILLEGAL_D1:  result = EMSYNTAX;
808 
                        break;
809 
      case ILLEGAL_D2:  result = EMSYNTAX;
810 
                        break;
811 
      case ILLEGAL_D3:  result = EMSYNTAX;
812 
                        break;
813 
      case ILLEGAL_D4:  result = EMSYNTAX;
814 
                        break;
815 
      case ILLEGAL_D5:  result = EMSYNTAX;
816 
                        break;
817 
      case ILLEGAL_D6:  result = EMSYNTAX;
818 
                        break;
819 
      case EMULATE:     result = asm_emulate(instr, parm, 3);
820 
                        break;
821 
      case ILLEGAL_D8:  result = EMSYNTAX;
822 
                        break;
823 
      case ILLEGAL_D9:  result = EMSYNTAX;
824 
                        break;
825 
      case ILLEGAL_DA:  result = EMSYNTAX;
826 
                        break;
827 
      case ILLEGAL_DB:  result = EMSYNTAX;
828 
                        break;
829 
      case ILLEGAL_DC:  result = EMSYNTAX;
830 
                        break;
831 
      case ILLEGAL_DD:  result = EMSYNTAX;
832 
                        break;
833 
      case MULTM:       result = asm_float(instr, parm, 3);
834 
                        break;
835 
      case MULTMU:      result = asm_float(instr, parm, 3);
836 
                        break;
837 
 
838 
      /* Opcodes 0xE0 to 0xEF */
839 
      case MULTIPLY:    result = asm_float(instr, parm, 3);
840 
                        break;
841 
      case DIVIDE:      result = asm_float(instr, parm, 3);
842 
                        break;
843 
      case MULTIPLU:    result = asm_float(instr, parm, 3);
844 
                        break;
845 
      case DIVIDU:      result = asm_float(instr, parm, 3);
846 
                        break;
847 
      case CONVERT:     result = asm_convert(instr, parm, 6);
848 
                        break;
849 
      case SQRT:        result = asm_sqrt(instr, parm, 3);
850 
                        break;
851 
      case CLASS:       result = asm_class(instr, parm, 3);
852 
                        break;
853 
      case ILLEGAL_E7:  result = EMSYNTAX;
854 
                        break;
855 
      case ILLEGAL_E8:  result = EMSYNTAX;
856 
                        break;
857 
      case ILLEGAL_E9:  result = EMSYNTAX;
858 
                        break;
859 
      case FEQ:         result = asm_float(instr, parm, 3);
860 
                        break;
861 
      case DEQ:         result = asm_float(instr, parm, 3);
862 
                        break;
863 
      case FGT:         result = asm_float(instr, parm, 3);
864 
                        break;
865 
      case DGT:         result = asm_float(instr, parm, 3);
866 
                        break;
867 
      case FGE:         result = asm_float(instr, parm, 3);
868 
                        break;
869 
      case DGE:         result = asm_float(instr, parm, 3);
870 
                        break;
871 
 
872 
      /* Opcodes 0xF0 to 0xFF */
873 
      case FADD:        result = asm_float(instr, parm, 3);
874 
                        break;
875 
      case DADD:        result = asm_float(instr, parm, 3);
876 
                        break;
877 
      case FSUB:        result = asm_float(instr, parm, 3);
878 
                        break;
879 
      case DSUB:        result = asm_float(instr, parm, 3);
880 
                        break;
881 
      case FMUL:        result = asm_float(instr, parm, 3);
882 
                        break;
883 
      case DMUL:        result = asm_float(instr, parm, 3);
884 
                        break;
885 
      case FDIV:        result = asm_float(instr, parm, 3);
886 
                        break;
887 
      case DDIV:        result = asm_float(instr, parm, 3);
888 
                        break;
889 
      case ILLEGAL_F8:  result = EMSYNTAX;
890 
                        break;
891 
      case FDMUL:       result = asm_float(instr, parm, 3);
892 
                        break;
893 
      case ILLEGAL_FA:  result = EMSYNTAX;
894 
                        break;
895 
      case ILLEGAL_FB:  result = EMSYNTAX;
896 
                        break;
897 
      case ILLEGAL_FC:  result = EMSYNTAX;
898 
                        break;
899 
      case ILLEGAL_FD:  result = EMSYNTAX;
900 
                        break;
901 
      case ILLEGAL_FE:  result = EMSYNTAX;
902 
                        break;
903 
      case ILLEGAL_FF:  result = EMSYNTAX;
904 
                        break;
905 
      }  /* end switch */
906 
 
907 
   return (result);
908 
 
909 
   }  /* End asm_instr() */
910 
 
911 
 
912 
 
913 
 
914 
/*
915 
** The following functions are used to convert instruction
916 
** parameters as an arrays of addr_29k_t memory space / address
917 
** pairs into a 32 bit Am29000 binary instruction.
918 
** All of the Am29000 instruction formats are supported below.
919 
*/
920 
 
921 
 
922 
/*
923 
** Formats:   <nmemonic>, RC, RA, (RB or I)
924 
** Examples:  ADD, OR, SLL, all arithmetic and
925 
**            logic instructions
926 
**
927 
*/
928 
 
929 
int
930 
asm_arith_logic(instr, parm, parm_count)
931 
   struct   instr_t    *instr;
932 
   struct   addr_29k_t *parm;
933 
   int      parm_count;
934 
   {
935 
   if (parm_count != 3)
936 
      return (EMSYNTAX);
937 
 
938 
   if (ISGENERAL(parm[0].memory_space) &&
939 
       ISGENERAL(parm[1].memory_space) &&
940 
       ISGENERAL(parm[2].memory_space)) {
941 
      /* Make sure M flag is cleared */
942 
      instr->op = (BYTE) (instr->op & 0xfe);
943 
      instr->c = (BYTE) (parm[0].address & 0xff);
944 
      instr->a = (BYTE) (parm[1].address & 0xff);
945 
      instr->b = (BYTE) (parm[2].address & 0xff);
946 
      }
947 
   else
948 
   if (ISGENERAL(parm[0].memory_space) &&
949 
       ISGENERAL(parm[1].memory_space) &&
950 
       ISMEM(parm[2].memory_space)) {
951 
      /* Make sure M flag is set */
952 
      instr->op = (BYTE) (instr->op | 0x01);
953 
      instr->c = (BYTE) (parm[0].address & 0xff);
954 
      instr->a = (BYTE) (parm[1].address & 0xff);
955 
      instr->b = (BYTE) (parm[2].address & 0xff);
956 
      }
957 
   else
958 
      return(EMSYNTAX);
959 
 
960 
   return (0);
961 
   }  /* end asm_arith_logic() */
962 
 
963 
 
964 
 
965 
/*
966 
** Formats:   <nmemonic>, VN, RA, (RB or I)
967 
** Examples:  ASSEQ, ASLE, ASLT, all trap assertion
968 
**            instructions
969 
**
970 
*/
971 
 
972 
int
973 
asm_vector(instr, parm, parm_count)
974 
   struct   instr_t    *instr;
975 
   struct   addr_29k_t *parm;
976 
   int      parm_count;
977 
   {
978 
   if (parm_count != 3)
979 
      return (EMSYNTAX);
980 
 
981 
   if (ISMEM(parm[0].memory_space) &&
982 
       ISGENERAL(parm[1].memory_space) &&
983 
       ISGENERAL(parm[2].memory_space)) {
984 
      /* Make sure M flag is cleared */
985 
      instr->op = (BYTE) (instr->op & 0xfe);
986 
      instr->c = (BYTE) (parm[0].address & 0xff);
987 
      instr->a = (BYTE) (parm[1].address & 0xff);
988 
      instr->b = (BYTE) (parm[2].address & 0xff);
989 
      }
990 
   else
991 
   if (ISMEM(parm[0].memory_space) &&
992 
       ISGENERAL(parm[1].memory_space) &&
993 
       ISMEM(parm[2].memory_space)) {
994 
      /* Make sure M flag is set */
995 
      instr->op = (BYTE) (instr->op | 0x01);
996 
      instr->c = (BYTE) (parm[0].address & 0xff);
997 
      instr->a = (BYTE) (parm[1].address & 0xff);
998 
      instr->b = (BYTE) (parm[2].address & 0xff);
999 
      }
1000 
   else
1001 
      return(EMSYNTAX);
1002 
 
1003 
   return (0);
1004 
   }  /* end asm_vector() */
1005 
 
1006 
 
1007 
 
1008 
/*
1009 
** Formats:   <nmemonic>, CE, CNTL, RA, (RB or I)
1010 
** Examples:  LOAD, LOADM, STORE, all load and store
1011 
**            instructions
1012 
**
1013 
*/
1014 
 
1015 
int
1016 
asm_load_store(instr, parm, parm_count)
1017 
   struct   instr_t    *instr;
1018 
   struct   addr_29k_t *parm;
1019 
   int      parm_count;
1020 
   {
1021 
   int  ce;
1022 
   int  cntl;
1023 
 
1024 
   if (parm_count != 4)
1025 
      return (EMSYNTAX);
1026 
 
1027 
   if (ISMEM(parm[0].memory_space) &&
1028 
       ISMEM(parm[1].memory_space) &&
1029 
       ISGENERAL(parm[2].memory_space) &&
1030 
       ISGENERAL(parm[3].memory_space)) {
1031 
      /* Make sure M flag is cleared */
1032 
      instr->op = (BYTE) (instr->op & 0xfe);
1033 
      if (parm[0].address > 1)
1034 
         return (EMSYNTAX);
1035 
      if (parm[1].address > 0x7f)
1036 
         return (EMSYNTAX);
1037 
      ce =   (int) ((parm[0].address << 7) & 0x80);
1038 
      cntl = (int)  (parm[1].address & 0x7f);
1039 
      instr->c = (BYTE) (ce | cntl);
1040 
      instr->a = (BYTE) (parm[2].address & 0xff);
1041 
      instr->b = (BYTE) (parm[3].address & 0xff);
1042 
      }
1043 
   else
1044 
   if (ISMEM(parm[0].memory_space) &&
1045 
       ISMEM(parm[1].memory_space) &&
1046 
       ISGENERAL(parm[2].memory_space) &&
1047 
       ISMEM(parm[3].memory_space)) {
1048 
      /* Make sure M flag is set */
1049 
      instr->op = (BYTE) (instr->op | 0x01);
1050 
      if (parm[0].address > 1)
1051 
         return (EMSYNTAX);
1052 
      if (parm[1].address > 0x7f)
1053 
         return (EMSYNTAX);
1054 
      if (parm[3].address > 0xff)
1055 
         return (EMSYNTAX);
1056 
      ce =   (int) ((parm[0].address << 7) & 0x80);
1057 
      cntl = (int)  (parm[1].address & 0x7f);
1058 
      instr->c = (BYTE) (ce | cntl);
1059 
      instr->a = (BYTE) (parm[2].address & 0xff);
1060 
      instr->b = (BYTE) (parm[3].address & 0xff);
1061 
      }
1062 
   else
1063 
      return(EMSYNTAX);
1064 
 
1065 
   return (0);
1066 
   }  /* end asm_load_store() */
1067 
 
1068 
 
1069 
 
1070 
/*
1071 
** Formats:   <nmemonic>
1072 
** Examples:  HALT, INV, IRET
1073 
*/
1074 
/*ARGSUSED*/
1075 
 
1076 
int
1077 
asm_no_parms(instr, parm, parm_count)
1078 
   struct   instr_t    *instr;
1079 
   struct   addr_29k_t *parm;
1080 
   int      parm_count;
1081 
   {
1082 
   if (parm_count != 0)
1083 
      return (EMSYNTAX);
1084 
 
1085 
   /* Put zeros in the "reserved" fields */
1086 
   instr->c = 0;
1087 
   instr->a = 0;
1088 
   instr->b = 0;
1089 
 
1090 
   return (0);
1091 
   }  /* end asm_no_parms() */
1092 
 
1093 
 
1094 
int
1095 
asm_one_parms(instr, parm, parm_count)
1096 
   struct   instr_t    *instr;
1097 
   struct   addr_29k_t *parm;
1098 
   int      parm_count;
1099 
   {
1100 
   if (parm_count != 1)
1101 
      return (EMSYNTAX);
1102 
 
1103 
   instr->c = (BYTE) (parm[0].address & 0x3);
1104 
 
1105 
   /* Put zeros in the "reserved" fields */
1106 
   instr->a = 0;
1107 
   instr->b = 0;
1108 
 
1109 
   return (0);
1110 
   } /* end asm_one_parms */
1111 
 
1112 
 
1113 
/*
1114 
** Formats:   <nmemonic>, RC, RA, RB
1115 
** Examples:  DADD, FADD, all floating point
1116 
**            instructions
1117 
**
1118 
*/
1119 
 
1120 
int
1121 
asm_float(instr, parm, parm_count)
1122 
   struct   instr_t    *instr;
1123 
   struct   addr_29k_t *parm;
1124 
   int      parm_count;
1125 
   {
1126 
   if (parm_count != 3)
1127 
      return (EMSYNTAX);
1128 
 
1129 
   if (ISGENERAL(parm[0].memory_space) &&
1130 
       ISGENERAL(parm[1].memory_space) &&
1131 
       ISGENERAL(parm[2].memory_space)) {
1132 
      instr->c = (BYTE) (parm[0].address & 0xff);
1133 
      instr->a = (BYTE) (parm[1].address & 0xff);
1134 
      instr->b = (BYTE) (parm[2].address & 0xff);
1135 
      }
1136 
   else
1137 
      return(EMSYNTAX);
1138 
 
1139 
   return (0);
1140 
   }  /* end asm_float() */
1141 
 
1142 
 
1143 
 
1144 
/*
1145 
** Formats:   <nmemonic> RA, <target>
1146 
** Examples:  CALL, JMPF, JMPFDEC, JMPT
1147 
**
1148 
** Note:  This function is used only with the CALL,
1149 
**        JMPF, JMPFDEC and JMPT operations.
1150 
*/
1151 
 
1152 
int
1153 
asm_call_jmp(instr, parm, parm_count)
1154 
   struct   instr_t    *instr;
1155 
   struct   addr_29k_t *parm;
1156 
   int      parm_count;
1157 
   {
1158 
   if (parm_count != 2)
1159 
      return (EMSYNTAX);
1160 
 
1161 
   if (ISGENERAL(parm[0].memory_space) &&
1162 
       ISMEM(parm[1].memory_space)) {
1163 
      /* Make sure M flag is set */
1164 
      if (parm[1].memory_space != PC_RELATIVE)
1165 
         instr->op = (BYTE) (instr->op | 0x01);
1166 
      else
1167 
         instr->op = (BYTE) instr->op ;
1168 
      instr->c = (BYTE) ((parm[1].address >> 10) & 0xff);
1169 
      instr->a = (BYTE) (parm[0].address & 0xff);
1170 
      instr->b = (BYTE) ((parm[1].address >> 2) & 0xff);
1171 
      }
1172 
   else
1173 
      return(EMSYNTAX);
1174 
 
1175 
   return (0);
1176 
   }  /* end asm_call_jmp() */
1177 
 
1178 
 
1179 
 
1180 
 
1181 
/*
1182 
** Formats:   <nmemonic> RA, RB
1183 
** Examples:  CALLI, JMPFI, JMPTI
1184 
**
1185 
** Note:  This function is used only with the CALLI,
1186 
**        JMPFI and JMPTI (but not JMPI) operations.
1187 
*/
1188 
 
1189 
int
1190 
asm_calli_jmpi(instr, parm, parm_count)
1191 
   struct   instr_t    *instr;
1192 
   struct   addr_29k_t *parm;
1193 
   int      parm_count;
1194 
   {
1195 
   if (parm_count != 2)
1196 
      return (EMSYNTAX);
1197 
 
1198 
   if (ISGENERAL(parm[0].memory_space) &&
1199 
       ISREG(parm[1].memory_space)) {
1200 
      instr->c = 0;
1201 
      instr->a = (BYTE) (parm[0].address & 0xff);
1202 
      instr->b = (BYTE) (parm[1].address & 0xff);
1203 
      }
1204 
   else
1205 
      return(EMSYNTAX);
1206 
 
1207 
   return (0);
1208 
   }  /* end asm_calli_jmpi() */
1209 
 
1210 
 
1211 
 
1212 
/*
1213 
** Formats:   <nmemonic> RC, RB, FS
1214 
** Examples:  CLASS
1215 
**
1216 
** Note:  This function is used only with the CLASS
1217 
**        operation.
1218 
*/
1219 
 
1220 
int
1221 
asm_class(instr, parm, parm_count)
1222 
   struct   instr_t    *instr;
1223 
   struct   addr_29k_t *parm;
1224 
   int      parm_count;
1225 
   {
1226 
   if (parm_count != 3)
1227 
      return (EMSYNTAX);
1228 
 
1229 
   if (ISGENERAL(parm[0].memory_space) &&
1230 
       ISGENERAL(parm[1].memory_space) &&
1231 
       ISMEM(parm[2].memory_space)) {
1232 
      if (parm[2].address > 0x03)
1233 
         return (EMSYNTAX);
1234 
      instr->c = (BYTE) (parm[0].address & 0xff);
1235 
      instr->a = (BYTE) (parm[1].address & 0xff);
1236 
      instr->b = (BYTE) (parm[2].address & 0x03);
1237 
      }
1238 
   else
1239 
      return(EMSYNTAX);
1240 
 
1241 
   return (0);
1242 
   }  /* end asm_class() */
1243 
 
1244 
 
1245 
/*
1246 
** Formats:   <nmemonic> RC, (RB or I)
1247 
** Examples:  CLZ
1248 
**
1249 
** Note:  This function is used only with the CLZ
1250 
**        operation.
1251 
*/
1252 
 
1253 
int
1254 
asm_clz(instr, parm, parm_count)
1255 
   struct   instr_t    *instr;
1256 
   struct   addr_29k_t *parm;
1257 
   int      parm_count;
1258 
   {
1259 
   if (parm_count != 2)
1260 
      return (EMSYNTAX);
1261 
 
1262 
   if (ISGENERAL(parm[0].memory_space) &&
1263 
       ISGENERAL(parm[1].memory_space)) {
1264 
      /* Make sure M flag is cleared */
1265 
      instr->op = (BYTE) (instr->op & 0xfe);
1266 
      instr->c = (BYTE) (parm[0].address & 0xff);
1267 
      instr->a = 0;
1268 
      instr->b = (BYTE) (parm[1].address & 0xff);
1269 
      }
1270 
   else
1271 
   if (ISGENERAL(parm[0].memory_space) &&
1272 
       ISMEM(parm[1].memory_space)) {
1273 
      /* Check param1 */
1274 
      if ((parm[1].address) > 0xff)
1275 
         return(EMSYNTAX);
1276 
      /* Make sure M flag is set */
1277 
      instr->op = (BYTE) (instr->op | 0x01);
1278 
      instr->c = (BYTE) (parm[0].address & 0xff);
1279 
      instr->a = 0;
1280 
      instr->b = (BYTE) (parm[1].address & 0xff);
1281 
      }
1282 
   else
1283 
      return(EMSYNTAX);
1284 
 
1285 
   return (0);
1286 
   }  /* end asm_clz() */
1287 
 
1288 
 
1289 
 
1290 
/*
1291 
** Formats:   <nmemonic> RA, <const16>
1292 
** Examples:  CONST, CONSTN
1293 
**
1294 
*/
1295 
 
1296 
int
1297 
asm_const(instr, parm, parm_count)
1298 
   struct   instr_t    *instr;
1299 
   struct   addr_29k_t *parm;
1300 
   int      parm_count;
1301 
   {
1302 
   if (parm_count != 2)
1303 
      return (EMSYNTAX);
1304 
 
1305 
   if (ISGENERAL(parm[0].memory_space) &&
1306 
       ISMEM(parm[1].memory_space)) {
1307 
      instr->c = (BYTE) ((parm[1].address >> 8) & 0xff);
1308 
      instr->a = (BYTE) (parm[0].address & 0xff);
1309 
      instr->b = (BYTE) (parm[1].address & 0xff);
1310 
      }
1311 
   else
1312 
      return(EMSYNTAX);
1313 
 
1314 
   return (0);
1315 
   }  /* end asm_const() */
1316 
 
1317 
 
1318 
 
1319 
/*
1320 
** Formats:   <nmemonic> RA, <const16>
1321 
** Examples:  CONSTH
1322 
**
1323 
*/
1324 
 
1325 
int
1326 
asm_consth(instr, parm, parm_count)
1327 
   struct   instr_t    *instr;
1328 
   struct   addr_29k_t *parm;
1329 
   int      parm_count;
1330 
   {
1331 
   if (parm_count != 2)
1332 
      return (EMSYNTAX);
1333 
 
1334 
   if (ISGENERAL(parm[0].memory_space) &&
1335 
       ISMEM(parm[1].memory_space)) {
1336 
      instr->c = (BYTE) ((parm[1].address >> 24) & 0xff);
1337 
      instr->a = (BYTE) (parm[0].address & 0xff);
1338 
      instr->b = (BYTE) ((parm[1].address >> 16) & 0xff);
1339 
      }
1340 
   else
1341 
      return(EMSYNTAX);
1342 
 
1343 
   return (0);
1344 
   }  /* end asm_consth() */
1345 
 
1346 
 
1347 
 
1348 
/*
1349 
** Formats:   <nmemonic> RC, RA, UI, RND, FD, FS
1350 
** Examples:  CONVERT
1351 
**
1352 
** Note:  This function is used only with the CONVERT
1353 
**        operation.
1354 
**
1355 
** Note:  Some assembler examples show this operation with
1356 
**        only five parameters.  It should have six.
1357 
*/
1358 
 
1359 
int
1360 
asm_convert(instr, parm, parm_count)
1361 
   struct   instr_t    *instr;
1362 
   struct   addr_29k_t *parm;
1363 
   int      parm_count;
1364 
   {
1365 
   BYTE  ui;
1366 
   BYTE  rnd;
1367 
   BYTE  fd;
1368 
   BYTE  fs;
1369 
 
1370 
   if (parm_count != 6)
1371 
      return (EMSYNTAX);
1372 
 
1373 
   if (ISGENERAL(parm[0].memory_space) &&
1374 
       ISGENERAL(parm[1].memory_space) &&
1375 
       ISMEM(parm[2].memory_space) &&
1376 
       ISMEM(parm[3].memory_space) &&
1377 
       ISMEM(parm[4].memory_space) &&
1378 
       ISMEM(parm[5].memory_space)) {
1379 
      if (parm[2].address > 1)
1380 
         return (EMSYNTAX);
1381 
      if (parm[3].address > 0x07)
1382 
         return (EMSYNTAX);
1383 
      if (parm[4].address > 0x03)
1384 
         return (EMSYNTAX);
1385 
      if (parm[5].address > 0x03)
1386 
         return (EMSYNTAX);
1387 
      ui =  (BYTE) ((parm[2].address << 7) & 0x80);
1388 
      rnd = (BYTE) ((parm[3].address << 4) & 0x70);
1389 
      fd =  (BYTE) ((parm[4].address << 2) & 0x0c);
1390 
      fs =  (BYTE) (parm[5].address & 0x03);
1391 
      instr->c = (BYTE) (parm[0].address & 0xff);
1392 
      instr->a = (BYTE) (parm[1].address & 0xff);
1393 
      instr->b = (ui | rnd | fd | fs);
1394 
      }
1395 
   else
1396 
      return(EMSYNTAX);
1397 
 
1398 
   return (0);
1399 
   }  /* end asm_convert() */
1400 
 
1401 
 
1402 
 
1403 
/*
1404 
** Formats:   <nmemonic> RC, RA
1405 
** Examples:  DIV0
1406 
**
1407 
** Note:  This function is used only with the DIV0
1408 
**        operation.
1409 
*/
1410 
 
1411 
int
1412 
asm_div0(instr, parm, parm_count)
1413 
   struct   instr_t    *instr;
1414 
   struct   addr_29k_t *parm;
1415 
   int      parm_count;
1416 
   {
1417 
   if (parm_count != 2)
1418 
      return (EMSYNTAX);
1419 
 
1420 
   if (ISGENERAL(parm[0].memory_space) &&
1421 
       ISGENERAL(parm[1].memory_space)) {
1422 
      /* Make sure M flag is cleared */
1423 
      instr->op = (BYTE) (instr->op & 0xfe);
1424 
      instr->c = (BYTE) (parm[0].address & 0xff);
1425 
      instr->a = 0;
1426 
      instr->b = (BYTE) (parm[1].address & 0xff);
1427 
      }
1428 
   else
1429 
   if (ISGENERAL(parm[0].memory_space) &&
1430 
       ISMEM(parm[1].memory_space)) {
1431 
      /* Check immediate value */
1432 
      if (parm[1].address > 0xff)
1433 
         return (EMSYNTAX);
1434 
      /* Make sure M flag is set */
1435 
      instr->op = (BYTE) (instr->op | 0x01);
1436 
      instr->c = (BYTE) (parm[0].address & 0xff);
1437 
      instr->a = 0;
1438 
      instr->b = (BYTE) (parm[1].address & 0xff);
1439 
      }
1440 
   else
1441 
      return(EMSYNTAX);
1442 
 
1443 
   return (0);
1444 
   }  /* end asm_div0() */
1445 
 
1446 
 
1447 
/*
1448 
** Formats:   <nmemonic> RC, RA
1449 
** Examples:  EXHWS
1450 
**
1451 
** Note:  This function is used only with the EXHWS
1452 
**        operation.
1453 
*/
1454 
 
1455 
int
1456 
asm_exhws(instr, parm, parm_count)
1457 
   struct   instr_t    *instr;
1458 
   struct   addr_29k_t *parm;
1459 
   int      parm_count;
1460 
   {
1461 
   if (parm_count != 2)
1462 
      return (EMSYNTAX);
1463 
 
1464 
   if (ISGENERAL(parm[0].memory_space) &&
1465 
       ISGENERAL(parm[1].memory_space)){
1466 
      instr->c = (BYTE) (parm[0].address & 0xff);
1467 
      instr->a = (BYTE) (parm[1].address & 0xff);
1468 
      instr->b = 0;
1469 
      }
1470 
   else
1471 
      return(EMSYNTAX);
1472 
 
1473 
   return (0);
1474 
   }  /* end asm_exhws() */
1475 
 
1476 
 
1477 
 
1478 
 
1479 
/*
1480 
** Formats:   <nmemonic>  <target>
1481 
** Examples:  JMP
1482 
**
1483 
** Note:  This function is used only with the JMP
1484 
**        operation.
1485 
**
1486 
** Note:  This function will only do absolute jumps.
1487 
*/
1488 
 
1489 
int
1490 
asm_jmp(instr, parm, parm_count)
1491 
   struct   instr_t    *instr;
1492 
   struct   addr_29k_t *parm;
1493 
   int      parm_count;
1494 
   {
1495 
   if (parm_count != 1)
1496 
      return (EMSYNTAX);
1497 
 
1498 
   if (ISMEM(parm[0].memory_space)) {
1499 
      /* Make sure M flag is set */
1500 
      if (parm[0].memory_space != PC_RELATIVE)
1501 
        instr->op = (BYTE) (instr->op | 0x01);
1502 
      else
1503 
        instr->op = (BYTE) instr->op ;
1504 
      instr->c = (BYTE) ((parm[0].address >> 10) & 0xff);
1505 
      instr->a = 0;
1506 
      instr->b = (BYTE) ((parm[0].address >> 2) & 0xff);
1507 
      }
1508 
   else
1509 
      return(EMSYNTAX);
1510 
 
1511 
   return (0);
1512 
   }  /* end asm_jmp() */
1513 
 
1514 
 
1515 
 
1516 
/*
1517 
** Formats:   <nmemonic> RB
1518 
** Examples:  JMPI
1519 
**
1520 
** Note:  This function is used only with the JMPI
1521 
**        operation.
1522 
*/
1523 
 
1524 
int
1525 
asm_jmpi(instr, parm, parm_count)
1526 
   struct   instr_t    *instr;
1527 
   struct   addr_29k_t *parm;
1528 
   int      parm_count;
1529 
   {
1530 
   if (parm_count != 1)
1531 
      return (EMSYNTAX);
1532 
 
1533 
   if (ISGENERAL(parm[0].memory_space)) {
1534 
      instr->c = 0;
1535 
      instr->a = 0;
1536 
      instr->b = (BYTE) (parm[0].address & 0xff);
1537 
      }
1538 
   else
1539 
      return(EMSYNTAX);
1540 
 
1541 
   return (0);
1542 
   }  /* end asm_jmpi() */
1543 
 
1544 
 
1545 
 
1546 
/*
1547 
** Formats:   <nmemonic> RC, SA
1548 
** Examples:  MFSR
1549 
**
1550 
** Note:  This function is used only with the MFSR
1551 
**        operation.
1552 
*/
1553 
 
1554 
int
1555 
asm_mfsr(instr, parm, parm_count)
1556 
   struct   instr_t    *instr;
1557 
   struct   addr_29k_t *parm;
1558 
   int      parm_count;
1559 
   {
1560 
   if (parm_count != 2)
1561 
      return (EMSYNTAX);
1562 
 
1563 
   if (ISGENERAL(parm[0].memory_space) &&
1564 
       ISSPECIAL(parm[1].memory_space)) {
1565 
      instr->c = (BYTE) (parm[0].address & 0xff);
1566 
      instr->a = (BYTE) (parm[1].address & 0xff);
1567 
      instr->b = 0;
1568 
      }
1569 
   else
1570 
      return(EMSYNTAX);
1571 
 
1572 
   return (0);
1573 
   }  /* end asm_mfsr() */
1574 
 
1575 
 
1576 
 
1577 
/*
1578 
** Formats:   <nmemonic> SA, RB
1579 
** Examples:  MTSR
1580 
**
1581 
** Note:  This function is used only with the MTSR
1582 
**        operation.
1583 
*/
1584 
 
1585 
int
1586 
asm_mtsr(instr, parm, parm_count)
1587 
   struct   instr_t    *instr;
1588 
   struct   addr_29k_t *parm;
1589 
   int      parm_count;
1590 
   {
1591 
   if (parm_count != 2)
1592 
      return (EMSYNTAX);
1593 
 
1594 
   if (ISSPECIAL(parm[0].memory_space) &&
1595 
       ISGENERAL(parm[1].memory_space)) {
1596 
      instr->c = 0;
1597 
      instr->a = (BYTE) (parm[0].address & 0xff);
1598 
      instr->b = (BYTE) (parm[1].address & 0xff);
1599 
      }
1600 
   else
1601 
      return(EMSYNTAX);
1602 
 
1603 
   return (0);
1604 
   }  /* end asm_mtsr() */
1605 
 
1606 
 
1607 
 
1608 
 
1609 
/*
1610 
** Formats:   <nmemonic> SA, <const16>
1611 
** Examples:  MTSRIM
1612 
**
1613 
** Note:  This function is used only with the MTSRIM
1614 
**        operation.
1615 
*/
1616 
 
1617 
int
1618 
asm_mtsrim(instr, parm, parm_count)
1619 
   struct   instr_t    *instr;
1620 
   struct   addr_29k_t *parm;
1621 
   int      parm_count;
1622 
   {
1623 
   if (parm_count != 2)
1624 
      return (EMSYNTAX);
1625 
 
1626 
   if (ISSPECIAL(parm[0].memory_space) &&
1627 
       ISMEM(parm[1].memory_space)) {
1628 
      instr->c = (BYTE) ((parm[1].address >> 8) & 0xff);
1629 
      instr->a = (BYTE) (parm[0].address & 0xff);
1630 
      instr->b = (BYTE) (parm[1].address & 0xff);
1631 
      }
1632 
   else
1633 
      return(EMSYNTAX);
1634 
 
1635 
   return (0);
1636 
   }  /* end asm_mtsrim() */
1637 
 
1638 
 
1639 
 
1640 
 
1641 
/*
1642 
** Formats:   <nmemonic> RC, RA
1643 
** Examples:  MFTLB
1644 
**
1645 
** Note:  This function is used only with the MFTLB
1646 
**        operation.
1647 
*/
1648 
 
1649 
int
1650 
asm_mftlb(instr, parm, parm_count)
1651 
   struct   instr_t    *instr;
1652 
   struct   addr_29k_t *parm;
1653 
   int      parm_count;
1654 
   {
1655 
   if (parm_count != 2)
1656 
      return (EMSYNTAX);
1657 
 
1658 
   if (ISGENERAL(parm[0].memory_space) &&
1659 
       ISGENERAL(parm[1].memory_space)) {
1660 
      instr->c = (BYTE) (parm[0].address & 0xff);
1661 
      instr->a = (BYTE) (parm[1].address & 0xff);
1662 
      instr->b = 0;
1663 
      }
1664 
   else
1665 
      return(EMSYNTAX);
1666 
 
1667 
   return (0);
1668 
   }  /* end asm_mftlb() */
1669 
 
1670 
 
1671 
/*
1672 
** Formats:   <nmemonic> RA, RB
1673 
** Examples:  MTTLB
1674 
**
1675 
** Note:  This function is used only with the MTTLB
1676 
**        operation.
1677 
*/
1678 
 
1679 
int
1680 
asm_mttlb(instr, parm, parm_count)
1681 
   struct   instr_t    *instr;
1682 
   struct   addr_29k_t *parm;
1683 
   int      parm_count;
1684 
   {
1685 
   if (parm_count != 2)
1686 
      return (EMSYNTAX);
1687 
 
1688 
   if (ISGENERAL(parm[0].memory_space) &&
1689 
       ISGENERAL(parm[1].memory_space)) {
1690 
      instr->c = 0;
1691 
      instr->a = (BYTE) (parm[0].address & 0xff);
1692 
      instr->b = (BYTE) (parm[1].address & 0xff);
1693 
      }
1694 
   else
1695 
      return(EMSYNTAX);
1696 
 
1697 
   return (0);
1698 
   }  /* end asm_mttlb() */
1699 
 
1700 
 
1701 
 
1702 
 
1703 
/*
1704 
** Formats:   <nmemonic> RC, RA, FS
1705 
** Examples:  SQRT
1706 
**
1707 
** Note:  This function is used only with the SQRT
1708 
**        operation.
1709 
*/
1710 
 
1711 
int
1712 
asm_sqrt(instr, parm, parm_count)
1713 
   struct   instr_t    *instr;
1714 
   struct   addr_29k_t *parm;
1715 
   int      parm_count;
1716 
   {
1717 
   if (parm_count != 3)
1718 
      return (EMSYNTAX);
1719 
 
1720 
   if (ISGENERAL(parm[0].memory_space) &&
1721 
       ISGENERAL(parm[1].memory_space) &&
1722 
       ISMEM(parm[2].memory_space)) {
1723 
      instr->c = (BYTE) (parm[0].address & 0xff);
1724 
      instr->a = (BYTE) (parm[1].address & 0xff);
1725 
      instr->b = (BYTE) (parm[2].address & 0x03);
1726 
      }
1727 
   else
1728 
      return(EMSYNTAX);
1729 
 
1730 
   return (0);
1731 
   }  /* end asm_sqrt() */
1732 
 
1733 
 
1734 
 
1735 
/*
1736 
** Formats:   <nmemonic>, VN, RA, RB
1737 
** Examples:  EMULATE
1738 
**
1739 
** Note:  This function is used only with the EMULATE
1740 
**        operation.
1741 
**
1742 
*/
1743 
 
1744 
int
1745 
asm_emulate(instr, parm, parm_count)
1746 
   struct   instr_t    *instr;
1747 
   struct   addr_29k_t *parm;
1748 
   int      parm_count;
1749 
   {
1750 
   if (parm_count != 3)
1751 
      return (EMSYNTAX);
1752 
 
1753 
   if (ISMEM(parm[0].memory_space) &&
1754 
       ISGENERAL(parm[1].memory_space) &&
1755 
       ISGENERAL(parm[2].memory_space)) {
1756 
      instr->c = (BYTE) (parm[0].address & 0xff);
1757 
      instr->a = (BYTE) (parm[1].address & 0xff);
1758 
      instr->b = (BYTE) (parm[2].address & 0xff);
1759 
      }
1760 
   else
1761 
      return(EMSYNTAX);
1762 
 
1763 
   return (0);
1764 
   }  /* end asm_emulate() */
1765 
 
1766 
 
1767 
 
1768 
 
1769 
 

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