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Commit | Line | Data |
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6655dba2 | 1 | /* Print Z80, Z180, EZ80 and R800 instructions |
a2c58332 | 2 | Copyright (C) 2005-2022 Free Software Foundation, Inc. |
3c9b82ba NC |
3 | Contributed by Arnold Metselaar <arnold_m@operamail.com> |
4 | ||
9b201bb5 NC |
5 | This file is part of the GNU opcodes library. |
6 | ||
7 | This library is free software; you can redistribute it and/or modify | |
3c9b82ba | 8 | it under the terms of the GNU General Public License as published by |
9b201bb5 NC |
9 | the Free Software Foundation; either version 3, or (at your option) |
10 | any later version. | |
3c9b82ba | 11 | |
9b201bb5 NC |
12 | It is distributed in the hope that it will be useful, but WITHOUT |
13 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY | |
14 | or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public | |
15 | License for more details. | |
3c9b82ba NC |
16 | |
17 | You should have received a copy of the GNU General Public License | |
18 | along with this program; if not, write to the Free Software | |
19 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, | |
20 | MA 02110-1301, USA. */ | |
21 | ||
22 | #include "sysdep.h" | |
88c1242d | 23 | #include "disassemble.h" |
3c9b82ba NC |
24 | #include <stdio.h> |
25 | ||
26 | struct buffer | |
27 | { | |
28 | bfd_vma base; | |
29 | int n_fetch; | |
30 | int n_used; | |
6655dba2 SB |
31 | signed char data[6]; |
32 | long inss; /* instruction set bit mask, taken from bfd_mach */ | |
33 | int nn_len; /* address length: 2 - Z80 mode, 3 - ADL mode*/ | |
3c9b82ba NC |
34 | } ; |
35 | ||
6655dba2 | 36 | typedef int (*func)(struct buffer *, disassemble_info *, const char *); |
3c9b82ba NC |
37 | |
38 | struct tab_elt | |
39 | { | |
40 | unsigned char val; | |
41 | unsigned char mask; | |
42 | func fp; | |
6655dba2 SB |
43 | const char * text; |
44 | unsigned inss; /* bit mask of supported bfd_mach_* or 0 for all mach */ | |
3c9b82ba NC |
45 | } ; |
46 | ||
6655dba2 SB |
47 | #define INSS_ALL 0 |
48 | #define INSS_Z80 ((1 << bfd_mach_z80) | (1 << bfd_mach_z80strict) | (1 << bfd_mach_z80full)) | |
49 | #define INSS_R800 (1 << bfd_mach_r800) | |
50 | #define INSS_GBZ80 (1 << bfd_mach_gbz80) | |
51 | #define INSS_Z180 (1 << bfd_mach_z180) | |
52 | #define INSS_EZ80_Z80 (1 << bfd_mach_ez80_z80) | |
53 | #define INSS_EZ80_ADL (1 << bfd_mach_ez80_adl) | |
54 | #define INSS_EZ80 (INSS_EZ80_ADL | INSS_EZ80_Z80) | |
9fc0b501 | 55 | #define INSS_Z80N (1 << bfd_mach_z80n) |
6655dba2 | 56 | |
9e919b5f | 57 | #define TXTSIZ 24 |
3c9b82ba | 58 | /* Names of 16-bit registers. */ |
6655dba2 | 59 | static const char * rr_str[] = { "bc", "de", "hl", "sp" }; |
3c9b82ba | 60 | /* Names of 8-bit registers. */ |
6655dba2 | 61 | static const char * r_str[] = { "b", "c", "d", "e", "h", "l", "(hl)", "a" }; |
3c9b82ba | 62 | /* Texts for condition codes. */ |
6655dba2 | 63 | static const char * cc_str[] = { "nz", "z", "nc", "c", "po", "pe", "p", "m" }; |
3c9b82ba | 64 | /* Instruction names for 8-bit arithmetic, operand "a" is often implicit */ |
6655dba2 | 65 | static const char * arit_str[] = |
3c9b82ba NC |
66 | { |
67 | "add a,", "adc a,", "sub ", "sbc a,", "and ", "xor ", "or ", "cp " | |
68 | } ; | |
9fc0b501 SB |
69 | static const char * arit_str_gbz80[] = |
70 | { | |
71 | "add a,", "adc a,", "sub a,", "sbc a,", "and ", "xor ", "or ", "cp " | |
72 | } ; | |
6655dba2 SB |
73 | static const char * arit_str_ez80[] = |
74 | { | |
75 | "add a,", "adc a,", "sub a,", "sbc a,", "and a,", "xor a,", "or a,", "cp a," | |
76 | } ; | |
77 | ||
3c9b82ba | 78 | \f |
6655dba2 | 79 | static int |
9fc0b501 | 80 | mach_inst (struct buffer *buf, const struct tab_elt *p) |
6655dba2 SB |
81 | { |
82 | return !p->inss || (p->inss & buf->inss); | |
83 | } | |
84 | ||
3c9b82ba NC |
85 | static int |
86 | fetch_data (struct buffer *buf, disassemble_info * info, int n) | |
87 | { | |
88 | int r; | |
89 | ||
40c75bc8 | 90 | if (buf->n_fetch + n > (int)sizeof (buf->data)) |
3c9b82ba NC |
91 | abort (); |
92 | ||
93 | r = info->read_memory_func (buf->base + buf->n_fetch, | |
9e919b5f | 94 | (unsigned char*) buf->data + buf->n_fetch, |
3c9b82ba NC |
95 | n, info); |
96 | if (r == 0) | |
97 | buf->n_fetch += n; | |
3a480f1e AB |
98 | else |
99 | info->memory_error_func (r, buf->base + buf->n_fetch, info); | |
3c9b82ba NC |
100 | return !r; |
101 | } | |
102 | ||
103 | static int | |
6655dba2 | 104 | prt (struct buffer *buf, disassemble_info * info, const char *txt) |
3c9b82ba NC |
105 | { |
106 | info->fprintf_func (info->stream, "%s", txt); | |
107 | buf->n_used = buf->n_fetch; | |
108 | return 1; | |
109 | } | |
110 | ||
111 | static int | |
6655dba2 | 112 | prt_e (struct buffer *buf, disassemble_info * info, const char *txt) |
3c9b82ba NC |
113 | { |
114 | char e; | |
115 | int target_addr; | |
116 | ||
117 | if (fetch_data (buf, info, 1)) | |
118 | { | |
119 | e = buf->data[1]; | |
120 | target_addr = (buf->base + 2 + e) & 0xffff; | |
121 | buf->n_used = buf->n_fetch; | |
122 | info->fprintf_func (info->stream, "%s0x%04x", txt, target_addr); | |
123 | } | |
124 | else | |
125 | buf->n_used = -1; | |
126 | ||
127 | return buf->n_used; | |
128 | } | |
129 | ||
130 | static int | |
6655dba2 | 131 | jr_cc (struct buffer *buf, disassemble_info * info, const char *txt) |
3c9b82ba NC |
132 | { |
133 | char mytxt[TXTSIZ]; | |
134 | ||
135 | snprintf (mytxt, TXTSIZ, txt, cc_str[(buf->data[0] >> 3) & 3]); | |
136 | return prt_e (buf, info, mytxt); | |
137 | } | |
138 | ||
139 | static int | |
6655dba2 | 140 | prt_nn (struct buffer *buf, disassemble_info * info, const char *txt) |
3c9b82ba NC |
141 | { |
142 | int nn; | |
143 | unsigned char *p; | |
6655dba2 | 144 | int i; |
3c9b82ba NC |
145 | |
146 | p = (unsigned char*) buf->data + buf->n_fetch; | |
6655dba2 | 147 | if (fetch_data (buf, info, buf->nn_len)) |
3c9b82ba | 148 | { |
6655dba2 SB |
149 | nn = 0; |
150 | i = buf->nn_len; | |
151 | while (i--) | |
152 | nn = nn * 0x100 + p[i]; | |
3c9b82ba NC |
153 | info->fprintf_func (info->stream, txt, nn); |
154 | buf->n_used = buf->n_fetch; | |
155 | } | |
156 | else | |
157 | buf->n_used = -1; | |
158 | return buf->n_used; | |
159 | } | |
160 | ||
161 | static int | |
6655dba2 | 162 | prt_rr_nn (struct buffer *buf, disassemble_info * info, const char *txt) |
3c9b82ba NC |
163 | { |
164 | char mytxt[TXTSIZ]; | |
d0411736 | 165 | int rr; |
3c9b82ba | 166 | |
43e65147 | 167 | rr = (buf->data[buf->n_fetch - 1] >> 4) & 3; |
d0411736 | 168 | snprintf (mytxt, TXTSIZ, txt, rr_str[rr]); |
3c9b82ba NC |
169 | return prt_nn (buf, info, mytxt); |
170 | } | |
171 | ||
172 | static int | |
6655dba2 | 173 | prt_rr (struct buffer *buf, disassemble_info * info, const char *txt) |
3c9b82ba NC |
174 | { |
175 | info->fprintf_func (info->stream, "%s%s", txt, | |
176 | rr_str[(buf->data[buf->n_fetch - 1] >> 4) & 3]); | |
177 | buf->n_used = buf->n_fetch; | |
178 | return buf->n_used; | |
179 | } | |
180 | ||
181 | static int | |
6655dba2 | 182 | prt_n (struct buffer *buf, disassemble_info * info, const char *txt) |
3c9b82ba NC |
183 | { |
184 | int n; | |
185 | unsigned char *p; | |
186 | ||
187 | p = (unsigned char*) buf->data + buf->n_fetch; | |
188 | ||
189 | if (fetch_data (buf, info, 1)) | |
190 | { | |
191 | n = p[0]; | |
192 | info->fprintf_func (info->stream, txt, n); | |
193 | buf->n_used = buf->n_fetch; | |
194 | } | |
195 | else | |
196 | buf->n_used = -1; | |
197 | ||
198 | return buf->n_used; | |
199 | } | |
200 | ||
9fc0b501 SB |
201 | static int |
202 | prt_n_n (struct buffer *buf, disassemble_info * info, const char *txt) | |
203 | { | |
204 | char mytxt[TXTSIZ]; | |
205 | int n; | |
206 | unsigned char *p; | |
207 | ||
208 | p = (unsigned char*) buf->data + buf->n_fetch; | |
209 | ||
210 | if (fetch_data (buf, info, 1)) | |
211 | { | |
212 | n = p[0]; | |
213 | snprintf (mytxt, TXTSIZ, txt, n); | |
214 | buf->n_used = buf->n_fetch; | |
215 | } | |
216 | else | |
217 | buf->n_used = -1; | |
218 | ||
219 | return prt_n (buf, info, mytxt); | |
220 | } | |
221 | ||
3c9b82ba | 222 | static int |
6655dba2 SB |
223 | prt_r_n (struct buffer *buf, disassemble_info * info, const char *txt) |
224 | { | |
225 | char mytxt[TXTSIZ]; | |
226 | int r; | |
227 | ||
228 | r = (buf->data[buf->n_fetch - 1] >> 3) & 7; | |
229 | snprintf (mytxt, TXTSIZ, txt, r_str[r]); | |
230 | return prt_n (buf, info, mytxt); | |
231 | } | |
232 | ||
233 | static int | |
234 | ld_r_n (struct buffer *buf, disassemble_info * info, const char *txt) | |
3c9b82ba NC |
235 | { |
236 | char mytxt[TXTSIZ]; | |
237 | ||
6655dba2 | 238 | snprintf (mytxt, TXTSIZ, txt, r_str[(buf->data[buf->n_fetch - 1] >> 3) & 7]); |
3c9b82ba NC |
239 | return prt_n (buf, info, mytxt); |
240 | } | |
241 | ||
242 | static int | |
6655dba2 | 243 | prt_r (struct buffer *buf, disassemble_info * info, const char *txt) |
3c9b82ba NC |
244 | { |
245 | info->fprintf_func (info->stream, txt, | |
246 | r_str[(buf->data[buf->n_fetch - 1] >> 3) & 7]); | |
247 | buf->n_used = buf->n_fetch; | |
248 | return buf->n_used; | |
249 | } | |
250 | ||
251 | static int | |
6655dba2 | 252 | ld_r_r (struct buffer *buf, disassemble_info * info, const char *txt) |
3c9b82ba NC |
253 | { |
254 | info->fprintf_func (info->stream, txt, | |
255 | r_str[(buf->data[buf->n_fetch - 1] >> 3) & 7], | |
256 | r_str[buf->data[buf->n_fetch - 1] & 7]); | |
257 | buf->n_used = buf->n_fetch; | |
258 | return buf->n_used; | |
259 | } | |
260 | ||
261 | static int | |
6655dba2 | 262 | prt_d (struct buffer *buf, disassemble_info * info, const char *txt) |
3c9b82ba | 263 | { |
6655dba2 SB |
264 | int d; |
265 | signed char *p; | |
266 | ||
267 | p = buf->data + buf->n_fetch; | |
268 | ||
269 | if (fetch_data (buf, info, 1)) | |
270 | { | |
271 | d = p[0]; | |
272 | info->fprintf_func (info->stream, txt, d); | |
273 | buf->n_used = buf->n_fetch; | |
274 | } | |
275 | else | |
276 | buf->n_used = -1; | |
277 | ||
278 | return buf->n_used; | |
279 | } | |
280 | ||
281 | static int | |
282 | prt_rr_d (struct buffer *buf, disassemble_info * info, const char *txt) | |
283 | { | |
284 | char mytxt[TXTSIZ]; | |
285 | int rr; | |
286 | ||
287 | rr = (buf->data[buf->n_fetch - 1] >> 4) & 3; | |
288 | if (rr == 3) /* SP is not supported */ | |
289 | return 0; | |
290 | ||
291 | snprintf (mytxt, TXTSIZ, txt, rr_str[rr]); | |
292 | return prt_d (buf, info, mytxt); | |
293 | } | |
294 | ||
295 | static int | |
296 | arit_r (struct buffer *buf, disassemble_info * info, const char *txt) | |
297 | { | |
298 | const char * const *arit; | |
9fc0b501 SB |
299 | |
300 | if (buf->inss & INSS_EZ80) | |
301 | arit = arit_str_ez80; | |
302 | else if (buf->inss & INSS_GBZ80) | |
303 | arit = arit_str_gbz80; | |
304 | else | |
305 | arit = arit_str; | |
306 | ||
3c9b82ba | 307 | info->fprintf_func (info->stream, txt, |
6655dba2 SB |
308 | arit[(buf->data[buf->n_fetch - 1] >> 3) & 7], |
309 | r_str[buf->data[buf->n_fetch - 1] & 7]); | |
3c9b82ba NC |
310 | buf->n_used = buf->n_fetch; |
311 | return buf->n_used; | |
312 | } | |
313 | ||
314 | static int | |
6655dba2 | 315 | prt_cc (struct buffer *buf, disassemble_info * info, const char *txt) |
3c9b82ba NC |
316 | { |
317 | info->fprintf_func (info->stream, "%s%s", txt, | |
318 | cc_str[(buf->data[0] >> 3) & 7]); | |
319 | buf->n_used = buf->n_fetch; | |
320 | return buf->n_used; | |
321 | } | |
322 | ||
323 | static int | |
6655dba2 | 324 | pop_rr (struct buffer *buf, disassemble_info * info, const char *txt) |
3c9b82ba NC |
325 | { |
326 | static char *rr_stack[] = { "bc","de","hl","af"}; | |
327 | ||
328 | info->fprintf_func (info->stream, "%s %s", txt, | |
329 | rr_stack[(buf->data[0] >> 4) & 3]); | |
330 | buf->n_used = buf->n_fetch; | |
331 | return buf->n_used; | |
332 | } | |
333 | ||
334 | ||
335 | static int | |
6655dba2 | 336 | jp_cc_nn (struct buffer *buf, disassemble_info * info, const char *txt) |
3c9b82ba NC |
337 | { |
338 | char mytxt[TXTSIZ]; | |
339 | ||
340 | snprintf (mytxt,TXTSIZ, | |
341 | "%s%s,0x%%04x", txt, cc_str[(buf->data[0] >> 3) & 7]); | |
342 | return prt_nn (buf, info, mytxt); | |
343 | } | |
344 | ||
345 | static int | |
6655dba2 | 346 | arit_n (struct buffer *buf, disassemble_info * info, const char *txt) |
3c9b82ba NC |
347 | { |
348 | char mytxt[TXTSIZ]; | |
6655dba2 | 349 | const char * const *arit; |
3c9b82ba | 350 | |
9fc0b501 SB |
351 | if (buf->inss & INSS_EZ80) |
352 | arit = arit_str_ez80; | |
353 | else if (buf->inss & INSS_GBZ80) | |
354 | arit = arit_str_gbz80; | |
355 | else | |
356 | arit = arit_str; | |
357 | ||
6655dba2 | 358 | snprintf (mytxt,TXTSIZ, txt, arit[(buf->data[0] >> 3) & 7]); |
3c9b82ba NC |
359 | return prt_n (buf, info, mytxt); |
360 | } | |
361 | ||
362 | static int | |
6655dba2 | 363 | rst (struct buffer *buf, disassemble_info * info, const char *txt) |
3c9b82ba NC |
364 | { |
365 | info->fprintf_func (info->stream, txt, buf->data[0] & 0x38); | |
366 | buf->n_used = buf->n_fetch; | |
367 | return buf->n_used; | |
368 | } | |
369 | ||
9fc0b501 | 370 | |
3c9b82ba | 371 | static int |
6655dba2 | 372 | cis (struct buffer *buf, disassemble_info * info, const char *txt ATTRIBUTE_UNUSED) |
3c9b82ba NC |
373 | { |
374 | static char * opar[] = { "ld", "cp", "in", "out" }; | |
375 | char * op; | |
376 | char c; | |
377 | ||
378 | c = buf->data[1]; | |
379 | op = ((0x13 & c) == 0x13) ? "ot" : (opar[c & 3]); | |
380 | info->fprintf_func (info->stream, | |
381 | "%s%c%s", op, | |
382 | (c & 0x08) ? 'd' : 'i', | |
383 | (c & 0x10) ? "r" : ""); | |
384 | buf->n_used = 2; | |
385 | return buf->n_used; | |
386 | } | |
387 | ||
388 | static int | |
6655dba2 SB |
389 | cism (struct buffer *buf, disassemble_info * info, const char *txt ATTRIBUTE_UNUSED) |
390 | { | |
391 | static char * opar[] = { "in%cm%s", "ot%cm%s" }; | |
392 | char * op; | |
393 | char c; | |
394 | ||
395 | c = buf->data[1]; | |
396 | op = opar[c & 1]; | |
397 | info->fprintf_func (info->stream, | |
398 | op, | |
399 | (c & 0x08) ? 'd' : 'i', | |
400 | (c & 0x10) ? "r" : ""); | |
401 | buf->n_used = 2; | |
402 | return buf->n_used; | |
403 | } | |
404 | ||
6655dba2 SB |
405 | static int |
406 | dump (struct buffer *buf, disassemble_info * info, const char *txt) | |
3c9b82ba NC |
407 | { |
408 | int i; | |
409 | ||
410 | info->fprintf_func (info->stream, "defb "); | |
411 | for (i = 0; txt[i]; ++i) | |
412 | info->fprintf_func (info->stream, i ? ", 0x%02x" : "0x%02x", | |
413 | (unsigned char) buf->data[i]); | |
414 | buf->n_used = i; | |
415 | return buf->n_used; | |
416 | } | |
9fc0b501 | 417 | |
3c9b82ba | 418 | /* Table to disassemble machine codes with prefix 0xED. */ |
ac8ef696 | 419 | static const struct tab_elt opc_ed[] = |
3c9b82ba | 420 | { |
9fc0b501 SB |
421 | { 0x30, 0xFF, prt, "mul d,e", INSS_Z80N }, |
422 | { 0x31, 0xFF, prt, "add hl,a", INSS_Z80N }, | |
b8ba1385 | 423 | { 0x31, 0xFF, prt, "ld iy,(hl)", INSS_EZ80 }, |
9fc0b501 | 424 | { 0x30, 0xFE, dump, "xx", INSS_ALL }, /* do not move this line */ |
6655dba2 SB |
425 | { 0x00, 0xC7, prt_r_n, "in0 %s,(0x%%02x)", INSS_Z180|INSS_EZ80 }, |
426 | { 0x01, 0xC7, prt_r_n, "out0 (0x%%02x),%s", INSS_Z180|INSS_EZ80 }, | |
427 | { 0x32, 0xFF, prt_d, "lea ix,ix%+d", INSS_EZ80 }, | |
428 | { 0x33, 0xFF, prt_d, "lea iy,iy%+d", INSS_EZ80 }, | |
429 | { 0x02, 0xCF, prt_rr_d, "lea %s,ix%%+d", INSS_EZ80 }, | |
430 | { 0x03, 0xCF, prt_rr_d, "lea %s,iy%%+d", INSS_EZ80 }, | |
431 | { 0x04, 0xC7, prt_r, "tst %s", INSS_Z180}, | |
432 | { 0x04, 0xC7, prt_r, "tst a,%s", INSS_EZ80 }, | |
433 | { 0x07, 0xFF, prt, "ld bc,(hl)", INSS_EZ80 }, | |
b8ba1385 | 434 | { 0x3F, 0xFF, prt, "ld (hl),ix", INSS_EZ80 }, |
6655dba2 SB |
435 | { 0x0F, 0xCF, prt_rr, "ld (hl),", INSS_EZ80 }, |
436 | { 0x17, 0xFF, prt, "ld de,(hl)", INSS_EZ80 }, | |
9fc0b501 SB |
437 | { 0x23, 0xFF, prt, "swapnib", INSS_Z80N }, |
438 | { 0x24, 0xFF, prt, "mirror", INSS_Z80N }, | |
6655dba2 | 439 | { 0x27, 0xFF, prt, "ld hl,(hl)", INSS_EZ80 }, |
9fc0b501 SB |
440 | { 0x27, 0xFF, prt_n, "test 0x%02x", INSS_Z80N }, |
441 | { 0x28, 0xFF, prt, "bsla de,b", INSS_Z80N }, | |
442 | { 0x29, 0xFF, prt, "bsra de,b", INSS_Z80N }, | |
443 | { 0x2A, 0xFF, prt, "bsrl de,b", INSS_Z80N }, | |
444 | { 0x2B, 0xFF, prt, "bsrf de,b", INSS_Z80N }, | |
445 | { 0x2C, 0xFF, prt, "bslc de,b", INSS_Z80N }, | |
446 | { 0x32, 0xFF, prt, "add de,a", INSS_Z80N }, | |
447 | { 0x33, 0xFF, prt, "add bc,a", INSS_Z80N }, | |
448 | { 0x34, 0xFF, prt_nn, "add hl,0x%04x", INSS_Z80N }, | |
449 | { 0x35, 0xFF, prt_nn, "add de,0x%04x", INSS_Z80N }, | |
450 | { 0x36, 0xFF, prt_nn, "add bc,0x%04x", INSS_Z80N }, | |
6655dba2 SB |
451 | { 0x37, 0xFF, prt, "ld ix,(hl)", INSS_EZ80 }, |
452 | { 0x3E, 0xFF, prt, "ld (hl),iy", INSS_EZ80 }, | |
9fc0b501 | 453 | { 0x70, 0xFF, prt, "in f,(c)", INSS_Z80 | INSS_R800 | INSS_Z80N }, |
6655dba2 SB |
454 | { 0x70, 0xFF, dump, "xx", INSS_ALL }, |
455 | { 0x40, 0xC7, prt_r, "in %s,(bc)", INSS_EZ80 }, | |
456 | { 0x40, 0xC7, prt_r, "in %s,(c)", INSS_ALL }, | |
9fc0b501 SB |
457 | { 0x71, 0xFF, prt, "out (c),0", INSS_Z80 | INSS_Z80N }, |
458 | { 0x71, 0xFF, dump, "xx", INSS_ALL }, | |
6655dba2 SB |
459 | { 0x41, 0xC7, prt_r, "out (bc),%s", INSS_EZ80 }, |
460 | { 0x41, 0xC7, prt_r, "out (c),%s", INSS_ALL }, | |
461 | { 0x42, 0xCF, prt_rr, "sbc hl,", INSS_ALL }, | |
462 | { 0x43, 0xCF, prt_rr_nn, "ld (0x%%04x),%s", INSS_ALL }, | |
463 | { 0x44, 0xFF, prt, "neg", INSS_ALL }, | |
464 | { 0x45, 0xFF, prt, "retn", INSS_ALL }, | |
465 | { 0x46, 0xFF, prt, "im 0", INSS_ALL }, | |
466 | { 0x47, 0xFF, prt, "ld i,a", INSS_ALL }, | |
467 | { 0x4A, 0xCF, prt_rr, "adc hl,", INSS_ALL }, | |
468 | { 0x4B, 0xCF, prt_rr_nn, "ld %s,(0x%%04x)", INSS_ALL }, | |
469 | { 0x4C, 0xCF, prt_rr, "mlt ", INSS_Z180|INSS_EZ80 }, | |
470 | { 0x4D, 0xFF, prt, "reti", INSS_ALL }, | |
471 | { 0x4F, 0xFF, prt, "ld r,a", INSS_ALL }, | |
472 | { 0x54, 0xFF, prt_d, "lea ix,iy%+d", INSS_EZ80 }, | |
473 | { 0x55, 0xFF, prt_d, "lea iy,ix%+d", INSS_EZ80 }, | |
474 | { 0x56, 0xFF, prt, "im 1", INSS_ALL }, | |
475 | { 0x57, 0xFF, prt, "ld a,i", INSS_ALL }, | |
476 | { 0x5E, 0xFF, prt, "im 2", INSS_ALL }, | |
477 | { 0x5F, 0xFF, prt, "ld a,r", INSS_ALL }, | |
478 | { 0x64, 0xFF, prt_n, "tst 0x%02x", INSS_Z180 }, | |
479 | { 0x64, 0xFF, prt_n, "tst a,0x%02x", INSS_EZ80 }, | |
480 | { 0x65, 0xFF, prt_d, "pea ix%+d", INSS_EZ80 }, | |
481 | { 0x66, 0xFF, prt_d, "pea iy%+d", INSS_EZ80 }, | |
482 | { 0x67, 0xFF, prt, "rrd", INSS_ALL }, | |
9fc0b501 SB |
483 | { 0x6D, 0xFF, prt, "ld mb,a", INSS_EZ80 }, |
484 | { 0x6E, 0xFF, prt, "ld a,mb", INSS_EZ80 }, | |
6655dba2 SB |
485 | { 0x6F, 0xFF, prt, "rld", INSS_ALL }, |
486 | { 0x74, 0xFF, prt_n, "tstio 0x%02x", INSS_Z180|INSS_EZ80 }, | |
487 | { 0x76, 0xFF, prt, "slp", INSS_Z180|INSS_EZ80 }, | |
9fc0b501 SB |
488 | { 0x7D, 0xFF, prt, "stmix", INSS_EZ80 }, |
489 | { 0x7E, 0xFF, prt, "rsmix", INSS_EZ80 }, | |
6655dba2 | 490 | { 0x82, 0xE6, cism, "", INSS_Z180|INSS_EZ80 }, |
68e52bc7 | 491 | { 0x84, 0xFF, prt, "ini2", INSS_EZ80 }, |
9fc0b501 | 492 | { 0x8A, 0xFF, prt_n_n, "push 0x%02x%%02x", INSS_Z80N }, |
68e52bc7 | 493 | { 0x8C, 0xFF, prt, "ind2", INSS_EZ80 }, |
9fc0b501 SB |
494 | { 0x90, 0xFF, prt, "outinb", INSS_Z80N }, |
495 | { 0x91, 0xFF, prt_n_n, "nextreg 0x%02x,0x%%02x", INSS_Z80N }, | |
496 | { 0x92, 0xFF, prt_n, "nextreg 0x%02x,a", INSS_Z80N }, | |
497 | { 0x93, 0xFF, prt, "pixeldn", INSS_Z80N }, | |
68e52bc7 | 498 | { 0x94, 0xFF, prt, "ini2r", INSS_EZ80 }, |
9fc0b501 SB |
499 | { 0x94, 0xFF, prt, "pixelad", INSS_Z80N }, |
500 | { 0x95, 0xFF, prt, "setae", INSS_Z80N }, | |
501 | { 0x98, 0xFF, prt, "jp (c)", INSS_Z80N }, | |
68e52bc7 | 502 | { 0x9c, 0xFF, prt, "ind2r", INSS_EZ80 }, |
6655dba2 | 503 | { 0xA0, 0xE4, cis, "", INSS_ALL }, |
68e52bc7 | 504 | { 0xA4, 0xFF, prt, "outi2", INSS_EZ80 }, |
9fc0b501 | 505 | { 0xA4, 0xFF, prt, "ldix", INSS_Z80N }, |
68e52bc7 | 506 | { 0xAC, 0xFF, prt, "outd2", INSS_EZ80 }, |
9fc0b501 SB |
507 | { 0xAC, 0xFF, prt, "lddx", INSS_Z80N }, |
508 | { 0xA5, 0xFF, prt, "ldws", INSS_Z80N }, | |
68e52bc7 | 509 | { 0xB4, 0xFF, prt, "oti2r", INSS_EZ80 }, |
9fc0b501 SB |
510 | { 0xB4, 0xFF, prt, "ldirx", INSS_Z80N }, |
511 | { 0xB7, 0xFF, prt, "ldpirx", INSS_Z80N }, | |
68e52bc7 | 512 | { 0xBC, 0xFF, prt, "otd2r", INSS_EZ80 }, |
9fc0b501 | 513 | { 0xBC, 0xFF, prt, "lddrx", INSS_Z80N }, |
6655dba2 SB |
514 | { 0xC2, 0xFF, prt, "inirx", INSS_EZ80 }, |
515 | { 0xC3, 0xFF, prt, "otirx", INSS_EZ80 }, | |
9fc0b501 | 516 | { 0xC7, 0xFF, prt, "ld i,hl", INSS_EZ80 }, |
6655dba2 SB |
517 | { 0xCA, 0xFF, prt, "indrx", INSS_EZ80 }, |
518 | { 0xCB, 0xFF, prt, "otdrx", INSS_EZ80 }, | |
519 | { 0xC3, 0xFF, prt, "muluw hl,bc", INSS_R800 }, | |
520 | { 0xC5, 0xE7, prt_r, "mulub a,%s", INSS_R800 }, | |
9fc0b501 | 521 | { 0xD7, 0xFF, prt, "ld hl,i", INSS_EZ80 }, |
6655dba2 SB |
522 | { 0xF3, 0xFF, prt, "muluw hl,sp", INSS_R800 }, |
523 | { 0x00, 0x00, dump, "xx", INSS_ALL } | |
3c9b82ba NC |
524 | }; |
525 | ||
526 | static int | |
6655dba2 SB |
527 | pref_ed (struct buffer *buf, disassemble_info *info, |
528 | const char *txt ATTRIBUTE_UNUSED) | |
3c9b82ba | 529 | { |
ac8ef696 | 530 | const struct tab_elt *p; |
3c9b82ba | 531 | |
40c75bc8 | 532 | if (fetch_data (buf, info, 1)) |
3c9b82ba | 533 | { |
40c75bc8 | 534 | for (p = opc_ed; p->val != (buf->data[1] & p->mask) || !mach_inst (buf, p); ++p) |
6655dba2 | 535 | ; |
3c9b82ba NC |
536 | p->fp (buf, info, p->text); |
537 | } | |
538 | else | |
539 | buf->n_used = -1; | |
540 | ||
541 | return buf->n_used; | |
542 | } | |
543 | \f | |
544 | /* Instruction names for the instructions addressing single bits. */ | |
545 | static char *cb1_str[] = { "", "bit", "res", "set"}; | |
546 | /* Instruction names for shifts and rotates. */ | |
547 | static char *cb2_str[] = | |
548 | { | |
549 | "rlc", "rrc", "rl", "rr", "sla", "sra", "sli", "srl" | |
550 | }; | |
551 | ||
552 | static int | |
6655dba2 SB |
553 | pref_cb (struct buffer *buf, disassemble_info *info, |
554 | const char *txt ATTRIBUTE_UNUSED) | |
3c9b82ba | 555 | { |
6655dba2 SB |
556 | const char *op_txt; |
557 | int idx; | |
3c9b82ba NC |
558 | if (fetch_data (buf, info, 1)) |
559 | { | |
560 | buf->n_used = 2; | |
561 | if ((buf->data[1] & 0xc0) == 0) | |
6655dba2 SB |
562 | { |
563 | idx = (buf->data[1] >> 3) & 7; | |
564 | if ((buf->inss & INSS_GBZ80) && (idx == 6)) | |
565 | op_txt = "swap"; | |
566 | else | |
567 | op_txt = cb2_str[idx]; | |
568 | info->fprintf_func (info->stream, "%s %s", | |
569 | op_txt, | |
570 | r_str[buf->data[1] & 7]); | |
571 | } | |
3c9b82ba NC |
572 | else |
573 | info->fprintf_func (info->stream, "%s %d,%s", | |
574 | cb1_str[(buf->data[1] >> 6) & 3], | |
575 | (buf->data[1] >> 3) & 7, | |
576 | r_str[buf->data[1] & 7]); | |
577 | } | |
578 | else | |
579 | buf->n_used = -1; | |
580 | ||
581 | return buf->n_used; | |
582 | } | |
9fc0b501 | 583 | |
3c9b82ba | 584 | static int |
6655dba2 | 585 | addvv (struct buffer * buf, disassemble_info * info, const char *txt) |
3c9b82ba NC |
586 | { |
587 | info->fprintf_func (info->stream, "add %s,%s", txt, txt); | |
588 | ||
589 | return buf->n_used = buf->n_fetch; | |
590 | } | |
591 | ||
592 | static int | |
6655dba2 | 593 | ld_v_v (struct buffer * buf, disassemble_info * info, const char *txt) |
3c9b82ba NC |
594 | { |
595 | char mytxt[TXTSIZ]; | |
596 | ||
597 | snprintf (mytxt, TXTSIZ, "ld %s%%s,%s%%s", txt, txt); | |
598 | return ld_r_r (buf, info, mytxt); | |
599 | } | |
600 | ||
601 | static int | |
6655dba2 | 602 | prt_d_n (struct buffer *buf, disassemble_info * info, const char *txt) |
3c9b82ba | 603 | { |
6655dba2 | 604 | char mytxt[TXTSIZ]; |
3c9b82ba | 605 | int d; |
9e919b5f | 606 | signed char *p; |
3c9b82ba | 607 | |
c9021189 | 608 | p = buf->data + buf->n_fetch; |
3c9b82ba NC |
609 | |
610 | if (fetch_data (buf, info, 1)) | |
611 | { | |
612 | d = p[0]; | |
6655dba2 SB |
613 | snprintf (mytxt, TXTSIZ, txt, d); |
614 | return prt_n (buf, info, mytxt); | |
3c9b82ba NC |
615 | } |
616 | else | |
617 | buf->n_used = -1; | |
618 | ||
619 | return buf->n_used; | |
620 | } | |
621 | ||
622 | static int | |
6655dba2 | 623 | arit_d (struct buffer *buf, disassemble_info * info, const char *txt) |
3c9b82ba NC |
624 | { |
625 | char mytxt[TXTSIZ]; | |
6655dba2 SB |
626 | signed char c; |
627 | const char * const *arit; | |
3c9b82ba | 628 | |
6655dba2 SB |
629 | arit = (buf->inss & INSS_EZ80) ? arit_str_ez80 : arit_str; |
630 | c = buf->data[buf->n_fetch - 1]; | |
631 | snprintf (mytxt, TXTSIZ, txt, arit[(c >> 3) & 7]); | |
632 | return prt_d (buf, info, mytxt); | |
3c9b82ba NC |
633 | } |
634 | ||
635 | static int | |
6655dba2 | 636 | ld_r_d (struct buffer *buf, disassemble_info * info, const char *txt) |
3c9b82ba NC |
637 | { |
638 | char mytxt[TXTSIZ]; | |
9e919b5f | 639 | signed char c; |
3c9b82ba NC |
640 | |
641 | c = buf->data[buf->n_fetch - 1]; | |
6655dba2 | 642 | snprintf (mytxt, TXTSIZ, txt, r_str[(c >> 3) & 7]); |
3c9b82ba NC |
643 | return prt_d (buf, info, mytxt); |
644 | } | |
645 | ||
646 | static int | |
40c75bc8 | 647 | ld_d_r (struct buffer *buf, disassemble_info * info, const char *txt) |
3c9b82ba NC |
648 | { |
649 | char mytxt[TXTSIZ]; | |
9e919b5f | 650 | signed char c; |
3c9b82ba NC |
651 | |
652 | c = buf->data[buf->n_fetch - 1]; | |
6655dba2 | 653 | snprintf (mytxt, TXTSIZ, txt, r_str[c & 7]); |
3c9b82ba NC |
654 | return prt_d (buf, info, mytxt); |
655 | } | |
656 | ||
657 | static int | |
40c75bc8 | 658 | ld_ii_ii (struct buffer *buf, disassemble_info * info, const char *txt) |
3c9b82ba NC |
659 | { |
660 | char mytxt[TXTSIZ]; | |
9e919b5f | 661 | signed char c; |
6655dba2 SB |
662 | int p; |
663 | static const char *ii[2] = { "ix", "iy" }; | |
3c9b82ba | 664 | |
bce58db4 | 665 | p = (buf->data[buf->n_fetch - 2] == (signed char) 0xdd) ? 0 : 1; |
3c9b82ba | 666 | c = buf->data[buf->n_fetch - 1]; |
6655dba2 SB |
667 | if ((c & 0x07) != 0x07) |
668 | p = 1 - p; /* 0 -> 1, 1 -> 0 */ | |
669 | snprintf (mytxt, TXTSIZ, txt, ii[p]); | |
3c9b82ba NC |
670 | return prt_d (buf, info, mytxt); |
671 | } | |
672 | ||
673 | static int | |
6655dba2 | 674 | pref_xd_cb (struct buffer * buf, disassemble_info * info, const char *txt) |
3c9b82ba NC |
675 | { |
676 | if (fetch_data (buf, info, 2)) | |
677 | { | |
678 | int d; | |
679 | char arg[TXTSIZ]; | |
9e919b5f | 680 | signed char *p; |
3c9b82ba NC |
681 | |
682 | buf->n_used = 4; | |
683 | p = buf->data; | |
684 | d = p[2]; | |
685 | ||
686 | if (((p[3] & 0xC0) == 0x40) || ((p[3] & 7) == 0x06)) | |
9e919b5f | 687 | snprintf (arg, TXTSIZ, "(%s%+d)", txt, d); |
3c9b82ba | 688 | else |
9e919b5f | 689 | snprintf (arg, TXTSIZ, "(%s%+d),%s", txt, d, r_str[p[3] & 7]); |
3c9b82ba NC |
690 | |
691 | if ((p[3] & 0xc0) == 0) | |
692 | info->fprintf_func (info->stream, "%s %s", | |
693 | cb2_str[(buf->data[3] >> 3) & 7], | |
694 | arg); | |
695 | else | |
696 | info->fprintf_func (info->stream, "%s %d,%s", | |
697 | cb1_str[(buf->data[3] >> 6) & 3], | |
698 | (buf->data[3] >> 3) & 7, | |
699 | arg); | |
700 | } | |
701 | else | |
702 | buf->n_used = -1; | |
703 | ||
704 | return buf->n_used; | |
705 | } | |
706 | \f | |
707 | /* Table to disassemble machine codes with prefix 0xDD or 0xFD. */ | |
708 | static struct tab_elt opc_ind[] = | |
709 | { | |
6655dba2 SB |
710 | { 0x07, 0xFF, prt_d, "ld bc,(%s%%+d)", INSS_EZ80 }, |
711 | { 0x0F, 0xFF, prt_d, "ld (%s%%+d),bc", INSS_EZ80 }, | |
712 | { 0x17, 0xFF, prt_d, "ld de,(%s%%+d)", INSS_EZ80 }, | |
713 | { 0x1F, 0xFF, prt_d, "ld (%s%%+d),de", INSS_EZ80 }, | |
714 | { 0x24, 0xF7, prt_r, "inc %s%%s", INSS_ALL }, | |
715 | { 0x25, 0xF7, prt_r, "dec %s%%s", INSS_ALL }, | |
716 | { 0x26, 0xF7, ld_r_n, "ld %s%%s,0x%%%%02x", INSS_ALL }, | |
717 | { 0x27, 0xFF, prt_d, "ld hl,(%s%%+d)", INSS_EZ80 }, | |
718 | { 0x2F, 0xFF, prt_d, "ld (%s%%+d),hl", INSS_EZ80 }, | |
719 | { 0x21, 0xFF, prt_nn, "ld %s,0x%%04x", INSS_ALL }, | |
720 | { 0x22, 0xFF, prt_nn, "ld (0x%%04x),%s", INSS_ALL }, | |
721 | { 0x2A, 0xFF, prt_nn, "ld %s,(0x%%04x)", INSS_ALL }, | |
722 | { 0x23, 0xFF, prt, "inc %s", INSS_ALL }, | |
723 | { 0x2B, 0xFF, prt, "dec %s", INSS_ALL }, | |
724 | { 0x29, 0xFF, addvv, "%s", INSS_ALL }, | |
725 | { 0x31, 0xFF, ld_ii_ii, "ld %%s,(%s%%%%+d)", INSS_EZ80 }, | |
726 | { 0x37, 0xFF, ld_ii_ii, "ld %%s,(%s%%%%+d)", INSS_EZ80 }, | |
727 | { 0x3E, 0xFE, ld_ii_ii, "ld (%s%%%%+d),%%s", INSS_EZ80 }, | |
728 | { 0x09, 0xCF, prt_rr, "add %s,", INSS_ALL }, | |
729 | { 0x34, 0xFF, prt_d, "inc (%s%%+d)", INSS_ALL }, | |
730 | { 0x35, 0xFF, prt_d, "dec (%s%%+d)", INSS_ALL }, | |
731 | { 0x36, 0xFF, prt_d_n, "ld (%s%%+d),0x%%%%02x", INSS_ALL }, | |
732 | ||
733 | { 0x76, 0xFF, dump, "h", INSS_ALL }, | |
734 | { 0x46, 0xC7, ld_r_d, "ld %%s,(%s%%%%+d)", INSS_ALL }, | |
735 | { 0x70, 0xF8, ld_d_r, "ld (%s%%%%+d),%%s", INSS_ALL }, | |
736 | { 0x64, 0xF6, ld_v_v, "%s", INSS_ALL }, | |
737 | { 0x60, 0xF0, ld_r_r, "ld %s%%s,%%s", INSS_ALL }, | |
738 | { 0x44, 0xC6, ld_r_r, "ld %%s,%s%%s", INSS_ALL }, | |
739 | ||
740 | { 0x86, 0xC7, arit_d, "%%s(%s%%%%+d)", INSS_ALL }, | |
741 | { 0x84, 0xC6, arit_r, "%%s%s%%s", INSS_ALL }, | |
742 | ||
743 | { 0xE1, 0xFF, prt, "pop %s", INSS_ALL }, | |
744 | { 0xE5, 0xFF, prt, "push %s", INSS_ALL }, | |
745 | { 0xCB, 0xFF, pref_xd_cb, "%s", INSS_ALL }, | |
746 | { 0xE3, 0xFF, prt, "ex (sp),%s", INSS_ALL }, | |
747 | { 0xE9, 0xFF, prt, "jp (%s)", INSS_ALL }, | |
748 | { 0xF9, 0xFF, prt, "ld sp,%s", INSS_ALL }, | |
749 | { 0x00, 0x00, dump, "?", INSS_ALL }, | |
3c9b82ba NC |
750 | } ; |
751 | ||
752 | static int | |
6655dba2 | 753 | pref_ind (struct buffer *buf, disassemble_info *info, const char *txt) |
3c9b82ba NC |
754 | { |
755 | if (fetch_data (buf, info, 1)) | |
756 | { | |
757 | char mytxt[TXTSIZ]; | |
758 | struct tab_elt *p; | |
759 | ||
6655dba2 SB |
760 | for (p = opc_ind; p->val != (buf->data[1] & p->mask) || !mach_inst (buf, p); ++p) |
761 | ; | |
3c9b82ba NC |
762 | snprintf (mytxt, TXTSIZ, p->text, txt); |
763 | p->fp (buf, info, mytxt); | |
764 | } | |
765 | else | |
766 | buf->n_used = -1; | |
767 | ||
768 | return buf->n_used; | |
769 | } | |
770 | ||
6655dba2 SB |
771 | static int |
772 | print_insn_z80_buf (struct buffer *buf, disassemble_info *info); | |
773 | ||
774 | static int | |
660e62b1 | 775 | suffix (struct buffer *buf, disassemble_info *info, const char *txt) |
6655dba2 | 776 | { |
6655dba2 SB |
777 | char mybuf[TXTSIZ*4]; |
778 | fprintf_ftype old_fprintf; | |
779 | void *old_stream; | |
780 | char *p; | |
781 | ||
6655dba2 SB |
782 | switch (txt[2]) |
783 | { | |
784 | case 'l': /* SIL or LIL */ | |
660e62b1 | 785 | buf->nn_len = 3; |
6655dba2 SB |
786 | break; |
787 | case 's': /* SIS or LIS */ | |
660e62b1 | 788 | buf->nn_len = 2; |
6655dba2 SB |
789 | break; |
790 | default: | |
660e62b1 AM |
791 | abort (); |
792 | } | |
793 | if (!fetch_data (buf, info, 1) | |
794 | || buf->data[1] == 0x40 | |
795 | || buf->data[1] == 0x49 | |
796 | || buf->data[1] == 0x52 | |
797 | || buf->data[1] == 0x5b) | |
798 | { | |
799 | /* Double prefix, or end of data. */ | |
7a6bf3be | 800 | info->fprintf_func (info->stream, ".db 0x%02x ; %s", (unsigned)buf->data[0], txt); |
660e62b1 AM |
801 | buf->n_used = 1; |
802 | return buf->n_used; | |
6655dba2 | 803 | } |
660e62b1 | 804 | |
6655dba2 SB |
805 | old_fprintf = info->fprintf_func; |
806 | old_stream = info->stream; | |
660e62b1 | 807 | info->fprintf_func = (fprintf_ftype) &sprintf; |
6655dba2 | 808 | info->stream = mybuf; |
a18cd0ca | 809 | mybuf[0] = 0; |
660e62b1 AM |
810 | buf->base++; |
811 | if (print_insn_z80_buf (buf, info) >= 0) | |
812 | buf->n_used++; | |
6655dba2 SB |
813 | info->fprintf_func = old_fprintf; |
814 | info->stream = old_stream; | |
815 | ||
660e62b1 AM |
816 | for (p = mybuf; *p; ++p) |
817 | if (*p == ' ') | |
818 | break; | |
819 | if (*p) | |
6655dba2 | 820 | { |
660e62b1 AM |
821 | *p++ = '\0'; |
822 | info->fprintf_func (info->stream, "%s.%s %s", mybuf, txt, p); | |
6655dba2 | 823 | } |
660e62b1 AM |
824 | else |
825 | info->fprintf_func (info->stream, "%s.%s", mybuf, txt); | |
826 | return buf->n_used; | |
6655dba2 SB |
827 | } |
828 | ||
3c9b82ba | 829 | /* Table to disassemble machine codes without prefix. */ |
9fc0b501 SB |
830 | static const struct tab_elt |
831 | opc_main[] = | |
3c9b82ba | 832 | { |
6655dba2 SB |
833 | { 0x00, 0xFF, prt, "nop", INSS_ALL }, |
834 | { 0x01, 0xCF, prt_rr_nn, "ld %s,0x%%04x", INSS_ALL }, | |
835 | { 0x02, 0xFF, prt, "ld (bc),a", INSS_ALL }, | |
836 | { 0x03, 0xCF, prt_rr, "inc ", INSS_ALL }, | |
837 | { 0x04, 0xC7, prt_r, "inc %s", INSS_ALL }, | |
838 | { 0x05, 0xC7, prt_r, "dec %s", INSS_ALL }, | |
839 | { 0x06, 0xC7, ld_r_n, "ld %s,0x%%02x", INSS_ALL }, | |
840 | { 0x07, 0xFF, prt, "rlca", INSS_ALL }, | |
841 | { 0x08, 0xFF, prt, "ex af,af'", ~INSS_GBZ80 }, | |
842 | { 0x09, 0xCF, prt_rr, "add hl,", INSS_ALL }, | |
843 | { 0x0A, 0xFF, prt, "ld a,(bc)", INSS_ALL }, | |
844 | { 0x0B, 0xCF, prt_rr, "dec ", INSS_ALL }, | |
845 | { 0x0F, 0xFF, prt, "rrca", INSS_ALL }, | |
846 | { 0x10, 0xFF, prt_e, "djnz ", ~INSS_GBZ80 }, | |
847 | { 0x12, 0xFF, prt, "ld (de),a", INSS_ALL }, | |
848 | { 0x17, 0xFF, prt, "rla", INSS_ALL }, | |
849 | { 0x18, 0xFF, prt_e, "jr ", INSS_ALL }, | |
850 | { 0x1A, 0xFF, prt, "ld a,(de)", INSS_ALL }, | |
851 | { 0x1F, 0xFF, prt, "rra", INSS_ALL }, | |
852 | { 0x20, 0xE7, jr_cc, "jr %s,", INSS_ALL }, | |
853 | { 0x22, 0xFF, prt_nn, "ld (0x%04x),hl", ~INSS_GBZ80 }, | |
854 | { 0x27, 0xFF, prt, "daa", INSS_ALL }, | |
855 | { 0x2A, 0xFF, prt_nn, "ld hl,(0x%04x)", ~INSS_GBZ80 }, | |
856 | { 0x2F, 0xFF, prt, "cpl", INSS_ALL }, | |
857 | { 0x32, 0xFF, prt_nn, "ld (0x%04x),a", INSS_ALL }, | |
858 | { 0x37, 0xFF, prt, "scf", INSS_ALL }, | |
859 | { 0x3A, 0xFF, prt_nn, "ld a,(0x%04x)", INSS_ALL }, | |
860 | { 0x3F, 0xFF, prt, "ccf", INSS_ALL }, | |
861 | ||
862 | { 0x76, 0xFF, prt, "halt", INSS_ALL }, | |
863 | ||
864 | { 0x40, 0xFF, suffix, "sis", INSS_EZ80 }, | |
865 | { 0x49, 0xFF, suffix, "lis", INSS_EZ80 }, | |
866 | { 0x52, 0xFF, suffix, "sil", INSS_EZ80 }, | |
867 | { 0x5B, 0xFF, suffix, "lil", INSS_EZ80 }, | |
868 | ||
869 | { 0x40, 0xC0, ld_r_r, "ld %s,%s", INSS_ALL}, | |
870 | ||
871 | { 0x80, 0xC0, arit_r, "%s%s", INSS_ALL }, | |
872 | ||
873 | { 0xC0, 0xC7, prt_cc, "ret ", INSS_ALL }, | |
874 | { 0xC1, 0xCF, pop_rr, "pop", INSS_ALL }, | |
875 | { 0xC2, 0xC7, jp_cc_nn, "jp ", INSS_ALL }, | |
876 | { 0xC3, 0xFF, prt_nn, "jp 0x%04x", INSS_ALL }, | |
877 | { 0xC4, 0xC7, jp_cc_nn, "call ", INSS_ALL }, | |
878 | { 0xC5, 0xCF, pop_rr, "push", INSS_ALL }, | |
879 | { 0xC6, 0xC7, arit_n, "%s0x%%02x", INSS_ALL }, | |
880 | { 0xC7, 0xC7, rst, "rst 0x%02x", INSS_ALL }, | |
881 | { 0xC9, 0xFF, prt, "ret", INSS_ALL }, | |
882 | { 0xCB, 0xFF, pref_cb, "", INSS_ALL }, | |
883 | { 0xCD, 0xFF, prt_nn, "call 0x%04x", INSS_ALL }, | |
884 | { 0xD3, 0xFF, prt_n, "out (0x%02x),a", ~INSS_GBZ80 }, | |
885 | { 0xD9, 0xFF, prt, "exx", ~INSS_GBZ80 }, | |
886 | { 0xDB, 0xFF, prt_n, "in a,(0x%02x)", ~INSS_GBZ80 }, | |
887 | { 0xDD, 0xFF, pref_ind, "ix", ~INSS_GBZ80 }, | |
888 | { 0xE3, 0xFF, prt, "ex (sp),hl", ~INSS_GBZ80 }, | |
889 | { 0xE9, 0xFF, prt, "jp (hl)", INSS_ALL }, | |
890 | { 0xEB, 0xFF, prt, "ex de,hl", ~INSS_GBZ80 }, | |
891 | { 0xED, 0xFF, pref_ed, "", ~INSS_GBZ80 }, | |
892 | { 0xF3, 0xFF, prt, "di", INSS_ALL }, | |
9fc0b501 | 893 | { 0xF9, 0xFF, prt, "ld sp,hl", INSS_ALL }, |
6655dba2 SB |
894 | { 0xFB, 0xFF, prt, "ei", INSS_ALL }, |
895 | { 0xFD, 0xFF, pref_ind, "iy", ~INSS_GBZ80 }, | |
896 | { 0x00, 0x00, prt, "????", INSS_ALL }, | |
3c9b82ba NC |
897 | } ; |
898 | ||
9fc0b501 SB |
899 | /* Separate GBZ80 main opcode table due to many differences */ |
900 | static const struct tab_elt | |
901 | opc_main_gbz80[] = | |
902 | { | |
903 | { 0x00, 0xFF, prt,"nop", INSS_ALL }, | |
904 | { 0x01, 0xCF, prt_rr_nn, "ld %s,0x%%04x", INSS_ALL }, | |
905 | { 0x02, 0xFF, prt, "ld (bc),a", INSS_ALL }, | |
906 | { 0x03, 0xCF, prt_rr, "inc ", INSS_ALL }, | |
907 | { 0x04, 0xC7, prt_r, "inc %s", INSS_ALL }, | |
908 | { 0x05, 0xC7, prt_r, "dec %s", INSS_ALL }, | |
909 | { 0x06, 0xC7, ld_r_n, "ld %s,0x%%02x", INSS_ALL }, | |
910 | { 0x07, 0xFF, prt, "rlca", INSS_ALL }, | |
911 | { 0x08, 0xFF, prt_nn, "ld (0x%04x),sp", INSS_GBZ80 }, | |
912 | { 0x09, 0xCF, prt_rr, "add hl,", INSS_ALL }, | |
913 | { 0x0A, 0xFF, prt, "ld a,(bc)", INSS_ALL }, | |
914 | { 0x0B, 0xCF, prt_rr, "dec ", INSS_ALL }, | |
915 | { 0x0F, 0xFF, prt, "rrca", INSS_ALL }, | |
916 | { 0x10, 0xFF, prt, "stop", INSS_GBZ80 }, | |
917 | { 0x12, 0xFF, prt, "ld (de),a", INSS_ALL }, | |
918 | { 0x17, 0xFF, prt, "rla", INSS_ALL }, | |
919 | { 0x18, 0xFF, prt_e, "jr ", INSS_ALL }, | |
920 | { 0x1A, 0xFF, prt, "ld a,(de)", INSS_ALL }, | |
921 | { 0x1F, 0xFF, prt, "rra", INSS_ALL }, | |
922 | { 0x20, 0xE7, jr_cc, "jr %s,", INSS_ALL }, | |
923 | { 0x22, 0xFF, prt, "ld (hl+),a", INSS_GBZ80 }, | |
924 | { 0x27, 0xFF, prt, "daa", INSS_ALL }, | |
925 | { 0x2A, 0xFF, prt, "ld a,(hl+)", INSS_GBZ80 }, | |
926 | { 0x2F, 0xFF, prt, "cpl", INSS_ALL }, | |
927 | { 0x32, 0xFF, prt, "ld (hl-),a", INSS_GBZ80 }, | |
928 | { 0x37, 0xFF, prt, "scf", INSS_ALL }, | |
929 | { 0x3A, 0xFF, prt, "ld a,(hl-)", INSS_GBZ80 }, | |
930 | { 0x3F, 0xFF, prt, "ccf", INSS_ALL }, | |
931 | { 0x76, 0xFF, prt, "halt", INSS_ALL }, | |
932 | { 0x40, 0xC0, ld_r_r, "ld %s,%s", INSS_ALL}, | |
933 | { 0x80, 0xC0, arit_r, "%s%s", INSS_ALL }, | |
934 | { 0xC0, 0xE7, prt_cc, "ret ", INSS_ALL }, | |
935 | { 0xC1, 0xCF, pop_rr, "pop", INSS_ALL }, | |
936 | { 0xC2, 0xE7, jp_cc_nn, "jp ", INSS_ALL }, | |
937 | { 0xC3, 0xFF, prt_nn, "jp 0x%04x", INSS_ALL }, | |
938 | { 0xC4, 0xE7, jp_cc_nn, "call ", INSS_ALL }, | |
939 | { 0xC5, 0xCF, pop_rr, "push", INSS_ALL }, | |
940 | { 0xC6, 0xC7, arit_n, "%s0x%%02x", INSS_ALL }, | |
941 | { 0xC7, 0xC7, rst, "rst 0x%02x", INSS_ALL }, | |
942 | { 0xC9, 0xFF, prt, "ret", INSS_ALL }, | |
943 | { 0xCB, 0xFF, pref_cb, "", INSS_ALL }, | |
944 | { 0xCD, 0xFF, prt_nn, "call 0x%04x", INSS_ALL }, | |
945 | { 0xD9, 0xFF, prt, "reti", INSS_GBZ80 }, | |
946 | { 0xE0, 0xFF, prt_n, "ldh (0x%02x),a", INSS_GBZ80 }, | |
947 | { 0xE2, 0xFF, prt, "ldh (c),a", INSS_GBZ80 }, | |
948 | { 0xE8, 0xFF, prt_d, "add sp,%d", INSS_GBZ80 }, | |
949 | { 0xE9, 0xFF, prt, "jp (hl)", INSS_ALL }, | |
950 | { 0xEA, 0xFF, prt_nn, "ld (0x%04x),a", INSS_GBZ80 }, | |
951 | { 0xF0, 0xFF, prt_n, "ldh a,(0x%02x)", INSS_GBZ80 }, | |
952 | { 0xF2, 0xFF, prt, "ldh a,(c)", INSS_GBZ80 }, | |
953 | { 0xF3, 0xFF, prt, "di", INSS_ALL }, | |
954 | { 0xF8, 0xFF, prt_d, "ldhl sp,%d", INSS_GBZ80 }, | |
955 | { 0xF9, 0xFF, prt, "ld sp,hl", INSS_ALL }, | |
956 | { 0xFA, 0xFF, prt_nn, "ld a,(0x%04x)", INSS_GBZ80 }, | |
957 | { 0xFB, 0xFF, prt, "ei", INSS_ALL }, | |
958 | { 0x00, 0x00, dump, "?", INSS_ALL }, | |
959 | } ; | |
960 | ||
3c9b82ba NC |
961 | int |
962 | print_insn_z80 (bfd_vma addr, disassemble_info * info) | |
963 | { | |
964 | struct buffer buf; | |
3c9b82ba NC |
965 | |
966 | buf.base = addr; | |
6655dba2 SB |
967 | buf.inss = 1 << info->mach; |
968 | buf.nn_len = info->mach == bfd_mach_ez80_adl ? 3 : 2; | |
969 | info->bytes_per_line = (buf.inss & INSS_EZ80) ? 6 : 4; /* <ss pp oo nn mm MM> OR <pp oo nn mm> */ | |
3c9b82ba | 970 | |
6655dba2 SB |
971 | return print_insn_z80_buf (&buf, info); |
972 | } | |
973 | ||
974 | static int | |
975 | print_insn_z80_buf (struct buffer *buf, disassemble_info *info) | |
976 | { | |
9fc0b501 | 977 | const struct tab_elt *p; |
6655dba2 | 978 | |
660e62b1 AM |
979 | buf->n_fetch = 0; |
980 | buf->n_used = 0; | |
6655dba2 | 981 | if (! fetch_data (buf, info, 1)) |
3c9b82ba NC |
982 | return -1; |
983 | ||
9fc0b501 SB |
984 | p = (buf->inss & INSS_GBZ80) ? opc_main_gbz80 : opc_main; |
985 | ||
986 | for (; p->val != (buf->data[0] & p->mask) || !mach_inst (buf, p); ++p) | |
3c9b82ba | 987 | ; |
6655dba2 | 988 | p->fp (buf, info, p->text); |
3c9b82ba | 989 | |
6655dba2 | 990 | return buf->n_used; |
3c9b82ba | 991 | } |