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81e09ed8 | 1 | /* gencode.c -- Motorola 68HC11 & 68HC12 Emulator Generator |
63f36def SC |
2 | Copyright 1999, 2000, 2001, 2002 Free Software Foundation, Inc. |
3 | Written by Stephane Carrez (stcarrez@nerim.fr) | |
e0709f50 AC |
4 | |
5 | This file is part of GDB, GAS, and the GNU binutils. | |
6 | ||
7 | GDB, GAS, and the GNU binutils are free software; you can redistribute | |
8 | them and/or modify them under the terms of the GNU General Public | |
9 | License as published by the Free Software Foundation; either version | |
10 | 2, or (at your option) any later version. | |
11 | ||
12 | GDB, GAS, and the GNU binutils are distributed in the hope that they | |
13 | will be useful, but WITHOUT ANY WARRANTY; without even the implied | |
14 | warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See | |
15 | the GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License along | |
18 | with this program; if not, write to the Free Software Foundation, Inc., | |
19 | 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
20 | ||
21 | #include <stdio.h> | |
22 | #include <string.h> | |
23 | #include <stdarg.h> | |
24 | #include <errno.h> | |
25 | ||
26 | #include "ansidecl.h" | |
27 | #include "opcode/m68hc11.h" | |
28 | ||
29 | #define TABLE_SIZE(X) (sizeof(X) / sizeof(X[0])) | |
30 | ||
31 | /* Combination of CCR flags. */ | |
32 | #define M6811_ZC_BIT M6811_Z_BIT|M6811_C_BIT | |
33 | #define M6811_NZ_BIT M6811_N_BIT|M6811_Z_BIT | |
34 | #define M6811_NZV_BIT M6811_N_BIT|M6811_Z_BIT|M6811_V_BIT | |
81e09ed8 | 35 | #define M6811_NZC_BIT M6811_N_BIT|M6811_Z_BIT|M6811_C_BIT |
e0709f50 AC |
36 | #define M6811_NVC_BIT M6811_N_BIT|M6811_V_BIT|M6811_C_BIT |
37 | #define M6811_ZVC_BIT M6811_Z_BIT|M6811_V_BIT|M6811_C_BIT | |
38 | #define M6811_NZVC_BIT M6811_ZVC_BIT|M6811_N_BIT | |
39 | #define M6811_HNZVC_BIT M6811_NZVC_BIT|M6811_H_BIT | |
81e09ed8 SC |
40 | #define M6811_HNVC_BIT M6811_NVC_BIT|M6811_H_BIT |
41 | #define M6811_VC_BIT M6811_V_BIT|M6811_C_BIT | |
e0709f50 AC |
42 | |
43 | /* Flags when the insn only changes some CCR flags. */ | |
44 | #define CHG_NONE 0,0,0 | |
45 | #define CHG_Z 0,0,M6811_Z_BIT | |
46 | #define CHG_C 0,0,M6811_C_BIT | |
47 | #define CHG_ZVC 0,0,M6811_ZVC_BIT | |
81e09ed8 | 48 | #define CHG_NZC 0,0,M6811_NZC_BIT |
e0709f50 AC |
49 | #define CHG_NZV 0,0,M6811_NZV_BIT |
50 | #define CHG_NZVC 0,0,M6811_NZVC_BIT | |
51 | #define CHG_HNZVC 0,0,M6811_HNZVC_BIT | |
52 | #define CHG_ALL 0,0,0xff | |
53 | ||
54 | /* The insn clears and changes some flags. */ | |
55 | #define CLR_I 0,M6811_I_BIT,0 | |
56 | #define CLR_C 0,M6811_C_BIT,0 | |
57 | #define CLR_V 0,M6811_V_BIT,0 | |
58 | #define CLR_V_CHG_ZC 0,M6811_V_BIT,M6811_ZC_BIT | |
59 | #define CLR_V_CHG_NZ 0,M6811_V_BIT,M6811_NZ_BIT | |
60 | #define CLR_V_CHG_ZVC 0,M6811_V_BIT,M6811_ZVC_BIT | |
61 | #define CLR_N_CHG_ZVC 0,M6811_N_BIT,M6811_ZVC_BIT /* Used by lsr */ | |
81e09ed8 | 62 | #define CLR_VC_CHG_NZ 0,M6811_VC_BIT,M6811_NZ_BIT |
e0709f50 AC |
63 | |
64 | /* The insn sets some flags. */ | |
65 | #define SET_I M6811_I_BIT,0,0 | |
66 | #define SET_C M6811_C_BIT,0,0 | |
67 | #define SET_V M6811_V_BIT,0,0 | |
68 | #define SET_Z_CLR_NVC M6811_Z_BIT,M6811_NVC_BIT,0 | |
69 | #define SET_C_CLR_V_CHG_NZ M6811_C_BIT,M6811_V_BIT,M6811_NZ_BIT | |
81e09ed8 | 70 | #define SET_Z_CHG_HNVC M6811_Z_BIT,0,M6811_HNVC_BIT |
e0709f50 AC |
71 | |
72 | #define _M 0xff | |
73 | ||
81e09ed8 | 74 | static int cpu_type; |
e0709f50 AC |
75 | |
76 | struct m6811_opcode_pattern | |
77 | { | |
78 | const char *name; | |
79 | const char *pattern; | |
80 | const char *ccr_update; | |
81 | }; | |
82 | ||
83 | /* | |
84 | * { "test", M6811_OP_NONE, 1, 0x00, 5, _M, CHG_NONE }, | |
85 | * Name -+ +---- Insn CCR changes | |
86 | * Format ------+ +---------- Max # cycles | |
87 | * Size -----------------+ +--------------- Min # cycles | |
88 | * +-------------------- Opcode | |
89 | */ | |
90 | struct m6811_opcode_pattern m6811_opcode_patterns[] = { | |
91 | /* Move 8 and 16 bits. We need two implementations: one that sets the | |
92 | flags and one that preserve them. */ | |
93 | { "movtst8", "dst8 = src8", "cpu_ccr_update_tst8 (proc, dst8)" }, | |
94 | { "movtst16", "dst16 = src16", "cpu_ccr_update_tst16 (proc, dst16)" }, | |
95 | { "mov8", "dst8 = src8" }, | |
96 | { "mov16", "dst16 = src16" }, | |
81e09ed8 | 97 | { "lea16", "dst16 = addr" }, |
e0709f50 AC |
98 | |
99 | /* Conditional branches. 'addr' is the address of the branch. */ | |
100 | { "bra", "cpu_set_pc (proc, addr)" }, | |
101 | { "bhi", | |
102 | "if ((cpu_get_ccr (proc) & (M6811_C_BIT|M6811_Z_BIT)) == 0)\n@ \ | |
103 | cpu_set_pc (proc, addr)" }, | |
104 | { "bls", | |
105 | "if ((cpu_get_ccr (proc) & (M6811_C_BIT|M6811_Z_BIT)))\n@ \ | |
106 | cpu_set_pc (proc, addr)" }, | |
107 | { "bcc", "if (!cpu_get_ccr_C (proc))\n@ cpu_set_pc (proc, addr)" }, | |
108 | { "bcs", "if (cpu_get_ccr_C (proc))\n@ cpu_set_pc (proc, addr)" }, | |
109 | { "bne", "if (!cpu_get_ccr_Z (proc))\n@ cpu_set_pc (proc, addr)" }, | |
110 | { "beq", "if (cpu_get_ccr_Z (proc))\n@ cpu_set_pc (proc, addr)" }, | |
111 | { "bvc", "if (!cpu_get_ccr_V (proc))\n@ cpu_set_pc (proc, addr)" }, | |
112 | { "bvs", "if (cpu_get_ccr_V (proc))\n@ cpu_set_pc (proc, addr)" }, | |
113 | { "bpl", "if (!cpu_get_ccr_N (proc))\n@ cpu_set_pc (proc, addr)" }, | |
114 | { "bmi", "if (cpu_get_ccr_N (proc))\n@ cpu_set_pc (proc, addr)" }, | |
115 | { "bge", "if ((cpu_get_ccr_N (proc) ^ cpu_get_ccr_V (proc)) == 0)\n@ cpu_set_pc (proc, addr)" }, | |
116 | { "blt", "if ((cpu_get_ccr_N (proc) ^ cpu_get_ccr_V (proc)))\n@ cpu_set_pc (proc, addr)" }, | |
117 | { "bgt", | |
118 | "if ((cpu_get_ccr_Z (proc) | (cpu_get_ccr_N (proc) ^ cpu_get_ccr_V (proc))) == 0)\n@ \ | |
119 | cpu_set_pc (proc, addr)" }, | |
120 | { "ble", | |
121 | "if ((cpu_get_ccr_Z (proc) | (cpu_get_ccr_N (proc) ^ cpu_get_ccr_V (proc))))\n@ \ | |
122 | cpu_set_pc (proc, addr)" }, | |
123 | ||
124 | /* brclr and brset perform a test and a conditional jump at the same | |
125 | time. Flags are not changed. */ | |
126 | { "brclr8", | |
127 | "if ((src8 & dst8) == 0)\n@ cpu_set_pc (proc, addr)" }, | |
128 | { "brset8", | |
129 | "if (((~src8) & dst8) == 0)\n@ cpu_set_pc (proc, addr)" }, | |
130 | ||
131 | ||
81e09ed8 SC |
132 | { "rts11", "addr = cpu_m68hc11_pop_uint16 (proc); cpu_set_pc (proc, addr); cpu_return(proc)" }, |
133 | { "rts12", "addr = cpu_m68hc12_pop_uint16 (proc); cpu_set_pc (proc, addr); cpu_return(proc)" }, | |
e0709f50 AC |
134 | |
135 | { "mul16", "dst16 = ((uint16) src8 & 0x0FF) * ((uint16) dst8 & 0x0FF)", | |
136 | "cpu_set_ccr_C (proc, src8 & 0x80)" }, | |
137 | { "neg8", "dst8 = - src8", | |
138 | "cpu_set_ccr_C (proc, src8 == 0); cpu_ccr_update_tst8 (proc, dst8)" }, | |
139 | { "com8", "dst8 = ~src8", | |
140 | "cpu_set_ccr_C (proc, 1); cpu_ccr_update_tst8 (proc, dst8);" }, | |
141 | { "clr8", "dst8 = 0", | |
142 | "cpu_set_ccr (proc, (cpu_get_ccr (proc) & (M6811_S_BIT|M6811_X_BIT|M6811_H_BIT| \ | |
143 | M6811_I_BIT)) | M6811_Z_BIT)"}, | |
144 | { "clr16","dst16 = 0", | |
145 | "cpu_set_ccr (proc, (cpu_get_ccr (proc) & (M6811_S_BIT|M6811_X_BIT|M6811_H_BIT| \ | |
146 | M6811_I_BIR)) | M6811_Z_BIT)"}, | |
147 | ||
148 | /* 8-bits shift and rotation. */ | |
149 | { "lsr8", "dst8 = src8 >> 1", | |
150 | "cpu_set_ccr_C (proc, src8 & 1); cpu_ccr_update_shift8 (proc, dst8)" }, | |
151 | { "lsl8", "dst8 = src8 << 1", | |
152 | "cpu_set_ccr_C (proc, (src8 & 0x80) >> 7); cpu_ccr_update_shift8 (proc, dst8)" }, | |
153 | { "asr8", "dst8 = (src8 >> 1) | (src8 & 0x80)", | |
154 | "cpu_set_ccr_C (proc, src8 & 1); cpu_ccr_update_shift8 (proc, dst8)" }, | |
155 | { "ror8", "dst8 = (src8 >> 1) | (cpu_get_ccr_C (proc) << 7)", | |
156 | "cpu_set_ccr_C (proc, src8 & 1); cpu_ccr_update_shift8 (proc, dst8)" }, | |
157 | { "rol8", "dst8 = (src8 << 1) | (cpu_get_ccr_C (proc))", | |
158 | "cpu_set_ccr_C (proc, (src8 & 0x80) >> 7); cpu_ccr_update_shift8 (proc, dst8)" }, | |
159 | ||
160 | /* 16-bits shift instructions. */ | |
161 | { "lsl16", "dst16 = src16 << 1", | |
162 | "cpu_set_ccr_C (proc, (src16&0x8000) >> 15); cpu_ccr_update_shift16 (proc, dst16)"}, | |
163 | { "lsr16", "dst16 = src16 >> 1", | |
164 | "cpu_set_ccr_C (proc, src16 & 1); cpu_ccr_update_shift16 (proc, dst16)"}, | |
165 | ||
166 | { "dec8", "dst8 = src8 - 1", "cpu_ccr_update_tst8 (proc, dst8)" }, | |
167 | { "inc8", "dst8 = src8 + 1", "cpu_ccr_update_tst8 (proc, dst8)" }, | |
168 | { "tst8", 0, "cpu_set_ccr_C (proc, 0); cpu_ccr_update_tst8 (proc, src8)" }, | |
169 | ||
170 | { "sub8", "cpu_ccr_update_sub8 (proc, dst8 - src8, dst8, src8);\ | |
171 | dst8 = dst8 - src8", 0 }, | |
172 | { "add8", "cpu_ccr_update_add8 (proc, dst8 + src8, dst8, src8);\ | |
173 | dst8 = dst8 + src8", 0 }, | |
174 | { "sbc8", "if (cpu_get_ccr_C (proc))\n@ \ | |
175 | {\n\ | |
176 | cpu_ccr_update_sub8 (proc, dst8 - src8 - 1, dst8, src8);\n\ | |
177 | dst8 = dst8 - src8 - 1;\n\ | |
178 | }\n\ | |
179 | else\n\ | |
180 | {\n\ | |
181 | cpu_ccr_update_sub8 (proc, dst8 - src8, dst8, src8);\n\ | |
182 | dst8 = dst8 - src8;\n\ | |
183 | }", 0 }, | |
184 | { "adc8", "if (cpu_get_ccr_C (proc))\n@ \ | |
185 | {\n\ | |
186 | cpu_ccr_update_add8 (proc, dst8 + src8 + 1, dst8, src8);\n\ | |
187 | dst8 = dst8 + src8 + 1;\n\ | |
188 | }\n\ | |
189 | else\n\ | |
190 | {\n\ | |
191 | cpu_ccr_update_add8 (proc, dst8 + src8, dst8, src8);\n\ | |
192 | dst8 = dst8 + src8;\n\ | |
193 | }", | |
194 | 0 }, | |
195 | ||
196 | /* 8-bits logical operations. */ | |
197 | { "and8", "dst8 = dst8 & src8", "cpu_ccr_update_tst8 (proc, dst8)" }, | |
198 | { "eor8", "dst8 = dst8 ^ src8", "cpu_ccr_update_tst8 (proc, dst8)" }, | |
199 | { "or8", "dst8 = dst8 | src8", "cpu_ccr_update_tst8 (proc, dst8)" }, | |
200 | { "bclr8","dst8 = (~dst8) & src8", "cpu_ccr_update_tst8 (proc, dst8)" }, | |
201 | ||
202 | /* 16-bits add and subtract instructions. */ | |
203 | { "sub16", "cpu_ccr_update_sub16 (proc, dst16 - src16, dst16, src16);\ | |
204 | dst16 = dst16 - src16", 0 }, | |
205 | { "add16", "cpu_ccr_update_add16 (proc, dst16 + src16, dst16, src16);\ | |
206 | dst16 = dst16 + src16", 0 }, | |
207 | { "inc16", "dst16 = src16 + 1", "cpu_set_ccr_Z (proc, dst16 == 0)" }, | |
208 | { "dec16", "dst16 = src16 - 1", "cpu_set_ccr_Z (proc, dst16 == 0)" }, | |
209 | ||
210 | /* Special increment/decrement for the stack pointer: | |
211 | flags are not changed. */ | |
212 | { "ins16", "dst16 = src16 + 1" }, | |
213 | { "des16", "dst16 = src16 - 1" }, | |
214 | ||
81e09ed8 SC |
215 | { "jsr_11_16", "cpu_m68hc11_push_uint16 (proc, cpu_get_pc (proc)); cpu_call (proc, addr)"}, |
216 | { "jsr_12_16", "cpu_m68hc12_push_uint16 (proc, cpu_get_pc (proc)); cpu_call (proc, addr)"}, | |
e0709f50 AC |
217 | |
218 | /* xgdx and xgdx patterns. Flags are not changed. */ | |
219 | { "xgdxy16", "dst16 = cpu_get_d (proc); cpu_set_d (proc, src16)"}, | |
81e09ed8 | 220 | { "stop", "cpu_special (proc, M6811_STOP)"}, |
e0709f50 AC |
221 | |
222 | /* tsx, tsy, txs, tys don't affect the flags. Sp value is corrected | |
223 | by +/- 1. */ | |
224 | { "tsxy16", "dst16 = src16 + 1;"}, | |
225 | { "txys16", "dst16 = src16 - 1;"}, | |
226 | ||
227 | /* Add b to X or Y with an unsigned extension 8->16. Flags not changed. */ | |
228 | { "abxy16","dst16 = dst16 + (uint16) src8"}, | |
229 | ||
230 | /* After 'daa', the Z flag is undefined. Mark it as changed. */ | |
81e09ed8 | 231 | { "daa8", "cpu_special (proc, M6811_DAA)" }, |
e0709f50 AC |
232 | { "nop", 0 }, |
233 | ||
234 | ||
235 | /* Integer divide: | |
236 | (parallel (set IX (div D IX)) | |
237 | (set D (mod D IX))) */ | |
238 | { "idiv16", "if (src16 == 0)\n{\n\ | |
239 | dst16 = 0xffff;\ | |
240 | }\nelse\n{\n\ | |
241 | cpu_set_d (proc, dst16 % src16);\ | |
242 | dst16 = dst16 / src16;\ | |
243 | }", | |
244 | "cpu_set_ccr_Z (proc, dst16 == 0); cpu_set_ccr_V (proc, 0);\ | |
245 | cpu_set_ccr_C (proc, src16 == 0)" }, | |
246 | ||
247 | /* Fractional divide: | |
248 | (parallel (set IX (div (mul D 65536) IX) | |
249 | (set D (mod (mul D 65536) IX)))) */ | |
250 | { "fdiv16", "if (src16 <= dst16 )\n{\n\ | |
251 | dst16 = 0xffff;\n\ | |
252 | cpu_set_ccr_Z (proc, 0);\n\ | |
253 | cpu_set_ccr_V (proc, 1);\n\ | |
254 | cpu_set_ccr_C (proc, dst16 == 0);\n\ | |
255 | }\nelse\n{\n\ | |
256 | unsigned long l = (unsigned long) (dst16) << 16;\n\ | |
257 | cpu_set_d (proc, (uint16) (l % (unsigned long) (src16)));\n\ | |
258 | dst16 = (uint16) (l / (unsigned long) (src16));\n\ | |
259 | cpu_set_ccr_V (proc, 0);\n\ | |
260 | cpu_set_ccr_C (proc, 0);\n\ | |
261 | cpu_set_ccr_Z (proc, dst16 == 0);\n\ | |
262 | }", 0 }, | |
263 | ||
264 | /* Operations to get/set the CCR. */ | |
265 | { "clv", 0, "cpu_set_ccr_V (proc, 0)" }, | |
266 | { "sev", 0, "cpu_set_ccr_V (proc, 1)" }, | |
267 | { "clc", 0, "cpu_set_ccr_C (proc, 0)" }, | |
268 | { "sec", 0, "cpu_set_ccr_C (proc, 1)" }, | |
269 | { "cli", 0, "cpu_set_ccr_I (proc, 0)" }, | |
270 | { "sei", 0, "cpu_set_ccr_I (proc, 1)" }, | |
271 | ||
272 | /* Some special instructions are implemented by 'cpu_special'. */ | |
81e09ed8 SC |
273 | { "rti11", "cpu_special (proc, M6811_RTI)" }, |
274 | { "rti12", "cpu_special (proc, M6812_RTI)" }, | |
e0709f50 AC |
275 | { "wai", "cpu_special (proc, M6811_WAI)" }, |
276 | { "test", "cpu_special (proc, M6811_TEST)" }, | |
277 | { "swi", "cpu_special (proc, M6811_SWI)" }, | |
278 | { "syscall","cpu_special (proc, M6811_EMUL_SYSCALL)" }, | |
279 | ||
280 | { "page2", "cpu_page2_interp (proc)", 0 }, | |
281 | { "page3", "cpu_page3_interp (proc)", 0 }, | |
81e09ed8 SC |
282 | { "page4", "cpu_page4_interp (proc)", 0 }, |
283 | ||
284 | /* 68HC12 special instructions. */ | |
285 | { "bgnd", "cpu_special (proc, M6812_BGND)" }, | |
286 | { "call8", "cpu_special (proc, M6812_CALL)" }, | |
63f36def | 287 | { "call_ind", "cpu_special (proc, M6812_CALL_INDIRECT)" }, |
81e09ed8 SC |
288 | { "dbcc8", "cpu_dbcc (proc)" }, |
289 | { "ediv", "cpu_special (proc, M6812_EDIV)" }, | |
290 | { "emul", "{ uint32 src1 = (uint32) cpu_get_d (proc);\ | |
291 | uint32 src2 = (uint32) cpu_get_y (proc);\ | |
292 | src1 *= src2;\ | |
293 | cpu_set_d (proc, src1);\ | |
294 | cpu_set_y (proc, src1 >> 16);\ | |
295 | cpu_set_ccr_Z (proc, src1 == 0);\ | |
296 | cpu_set_ccr_C (proc, src1 & 0x08000);\ | |
297 | cpu_set_ccr_N (proc, src1 & 0x80000000);}" }, | |
298 | { "emuls", "cpu_special (proc, M6812_EMULS)" }, | |
299 | { "mem", "cpu_special (proc, M6812_MEM)" }, | |
300 | { "rtc", "cpu_special (proc, M6812_RTC)" }, | |
301 | { "emacs", "cpu_special (proc, M6812_EMACS)" }, | |
302 | { "idivs", "cpu_special (proc, M6812_IDIVS)" }, | |
303 | { "edivs", "cpu_special (proc, M6812_EDIVS)" }, | |
304 | { "exg8", "cpu_exg (proc, src8)" }, | |
305 | { "move8", "cpu_move8 (proc, op)" }, | |
306 | { "move16","cpu_move16 (proc, op)" }, | |
307 | ||
308 | { "max8", "cpu_ccr_update_sub8 (proc, dst8 - src8, dst8, src8);\ | |
309 | if (dst8 < src8) dst8 = src8" }, | |
310 | { "min8", "cpu_ccr_update_sub8 (proc, dst8 - src8, dst8, src8);\ | |
311 | if (dst8 > src8) dst8 = src8" }, | |
312 | { "max16", "cpu_ccr_update_sub16 (proc, dst16 - src16, dst16, src16);\ | |
313 | if (dst16 < src16) dst16 = src16" }, | |
314 | { "min16", "cpu_ccr_update_sub16 (proc, dst16 - src16, dst16, src16);\ | |
315 | if (dst16 > src16) dst16 = src16" }, | |
316 | ||
317 | { "rev", "cpu_special (proc, M6812_REV);" }, | |
318 | { "revw", "cpu_special (proc, M6812_REVW);" }, | |
319 | { "wav", "cpu_special (proc, M6812_WAV);" }, | |
320 | { "tbl8", "cpu_special (proc, M6812_ETBL);" }, | |
321 | { "tbl16", "cpu_special (proc, M6812_ETBL);" } | |
e0709f50 AC |
322 | }; |
323 | ||
324 | /* Definition of an opcode of the 68HC11. */ | |
325 | struct m6811_opcode_def | |
326 | { | |
327 | const char *name; | |
328 | const char *operands; | |
329 | const char *insn_pattern; | |
330 | unsigned char insn_size; | |
331 | unsigned char insn_code; | |
332 | unsigned char insn_min_cycles; | |
333 | unsigned char insn_max_cycles; | |
334 | unsigned char set_flags_mask; | |
335 | unsigned char clr_flags_mask; | |
336 | unsigned char chg_flags_mask; | |
337 | }; | |
338 | ||
339 | ||
340 | /* | |
341 | * { "dex", "x->x", "dec16", 1, 0x00, 5, _M, CHG_NONE }, | |
342 | * Name -+ +----- Insn CCR changes | |
343 | * Operands ---+ +------------ Max # cycles | |
344 | * Pattern -----------+ +--------------- Min # cycles | |
345 | * Size -----------------+ +-------------------- Opcode | |
346 | * | |
347 | * Operands Fetch operand Save result | |
348 | * ------- -------------- ------------ | |
349 | * x->x src16 = x x = dst16 | |
350 | * d->d src16 = d d = dst16 | |
351 | * b,a->a src8 = b dst8 = a a = dst8 | |
352 | * sp->x src16 = sp x = dst16 | |
353 | * (sp)->a src8 = pop8 a = dst8 | |
354 | * a->(sp) src8 = a push8 dst8 | |
355 | * (x)->(x) src8 = (IND, X) (IND, X) = dst8 | |
356 | * (y)->a src8 = (IND, Y) a = dst8 | |
357 | * ()->b src8 = (EXT) b = dst8 | |
358 | */ | |
81e09ed8 | 359 | struct m6811_opcode_def m6811_page1_opcodes[] = { |
e0709f50 AC |
360 | { "test", 0, 0, 1, 0x00, 5, _M, CHG_NONE }, |
361 | { "nop", 0, 0, 1, 0x01, 2, 2, CHG_NONE }, | |
362 | { "idiv", "x,d->x", "idiv16", 1, 0x02, 3, 41, CLR_V_CHG_ZC}, | |
363 | { "fdiv", "x,d->x", "fdiv16", 1, 0x03, 3, 41, CHG_ZVC}, | |
364 | { "lsrd", "d->d", "lsr16", 1, 0x04, 3, 3, CLR_N_CHG_ZVC }, | |
365 | { "asld", "d->d", "lsl16", 1, 0x05, 3, 3, CHG_NZVC }, | |
e0709f50 AC |
366 | { "tap", "a->ccr", "mov8", 1, 0x06, 2, 2, CHG_ALL}, |
367 | { "tpa", "ccr->a", "mov8", 1, 0x07, 2, 2, CHG_NONE }, | |
368 | { "inx", "x->x", "inc16", 1, 0x08, 3, 3, CHG_Z }, | |
369 | { "dex", "x->x", "dec16", 1, 0x09, 3, 3, CHG_Z }, | |
370 | { "clv", 0, 0, 1, 0x0a, 2, 2, CLR_V }, | |
371 | { "sev", 0, 0, 1, 0x0b, 2, 2, SET_V }, | |
372 | { "clc", 0, 0, 1, 0x0c, 2, 2, CLR_C }, | |
373 | { "sec", 0, 0, 1, 0x0d, 2, 2, SET_C }, | |
374 | { "cli", 0, 0, 1, 0x0e, 2, 2, CLR_I }, | |
375 | { "sei", 0, 0, 1, 0x0f, 2, 2, SET_I }, | |
376 | { "sba", "b,a->a", "sub8", 1, 0x10, 2, 2, CHG_NZVC }, | |
377 | { "cba", "b,a", "sub8", 1, 0x11, 2, 2, CHG_NZVC }, | |
378 | { "brset","*,#,r", "brset8", 4, 0x12, 6, 6, CHG_NONE }, | |
379 | { "brclr","*,#,r", "brclr8", 4, 0x13, 6, 6, CHG_NONE }, | |
380 | { "bset", "*,#->*", "or8", 3, 0x14, 6, 6, CLR_V_CHG_NZ }, | |
381 | { "bclr", "*,#->*", "bclr8", 3, 0x15, 6, 6, CLR_V_CHG_NZ }, | |
382 | { "tab", "a->b", "movtst8", 1, 0x16, 2, 2, CLR_V_CHG_NZ }, | |
383 | { "tba", "b->a", "movtst8", 1, 0x17, 2, 2, CLR_V_CHG_NZ }, | |
384 | { "page2", 0, "page2", 1, 0x18, 0, 0, CHG_NONE }, | |
385 | { "page3", 0, "page3", 1, 0x1a, 0, 0, CHG_NONE }, | |
386 | ||
387 | /* After 'daa', the Z flag is undefined. Mark it as changed. */ | |
63f36def | 388 | { "daa", "", "daa8", 1, 0x19, 2, 2, CHG_NZVC }, |
e0709f50 AC |
389 | { "aba", "b,a->a", "add8", 1, 0x1b, 2, 2, CHG_HNZVC}, |
390 | { "bset", "(x),#->(x)","or8", 3, 0x1c, 7, 7, CLR_V_CHG_NZ }, | |
391 | { "bclr", "(x),#->(x)","bclr8", 3, 0x1d, 7, 7, CLR_V_CHG_NZ }, | |
392 | { "brset","(x),#,r", "brset8", 4, 0x1e, 7, 7, CHG_NONE }, | |
393 | { "brclr","(x),#,r", "brclr8", 4, 0x1f, 7, 7, CHG_NONE }, | |
394 | ||
395 | /* Relative branch. All of them take 3 bytes. Flags not changed. */ | |
396 | { "bra", "r", 0, 2, 0x20, 3, 3, CHG_NONE }, | |
397 | { "brn", "r", "nop", 2, 0x21, 3, 3, CHG_NONE }, | |
398 | { "bhi", "r", 0, 2, 0x22, 3, 3, CHG_NONE }, | |
399 | { "bls", "r", 0, 2, 0x23, 3, 3, CHG_NONE }, | |
400 | { "bcc", "r", 0, 2, 0x24, 3, 3, CHG_NONE }, | |
e0709f50 | 401 | { "bcs", "r", 0, 2, 0x25, 3, 3, CHG_NONE }, |
e0709f50 AC |
402 | { "bne", "r", 0, 2, 0x26, 3, 3, CHG_NONE }, |
403 | { "beq", "r", 0, 2, 0x27, 3, 3, CHG_NONE }, | |
404 | { "bvc", "r", 0, 2, 0x28, 3, 3, CHG_NONE }, | |
405 | { "bvs", "r", 0, 2, 0x29, 3, 3, CHG_NONE }, | |
406 | { "bpl", "r", 0, 2, 0x2a, 3, 3, CHG_NONE }, | |
407 | { "bmi", "r", 0, 2, 0x2b, 3, 3, CHG_NONE }, | |
408 | { "bge", "r", 0, 2, 0x2c, 3, 3, CHG_NONE }, | |
409 | { "blt", "r", 0, 2, 0x2d, 3, 3, CHG_NONE }, | |
410 | { "bgt", "r", 0, 2, 0x2e, 3, 3, CHG_NONE }, | |
411 | { "ble", "r", 0, 2, 0x2f, 3, 3, CHG_NONE }, | |
412 | ||
413 | { "tsx", "sp->x", "tsxy16", 1, 0x30, 3, 3, CHG_NONE }, | |
414 | { "ins", "sp->sp", "ins16", 1, 0x31, 3, 3, CHG_NONE }, | |
415 | { "pula", "(sp)->a", "mov8", 1, 0x32, 4, 4, CHG_NONE }, | |
416 | { "pulb", "(sp)->b", "mov8", 1, 0x33, 4, 4, CHG_NONE }, | |
417 | { "des", "sp->sp", "des16", 1, 0x34, 3, 3, CHG_NONE }, | |
418 | { "txs", "x->sp", "txys16", 1, 0x35, 3, 3, CHG_NONE }, | |
419 | { "psha", "a->(sp)", "mov8", 1, 0x36, 3, 3, CHG_NONE }, | |
420 | { "pshb", "b->(sp)", "mov8", 1, 0x37, 3, 3, CHG_NONE }, | |
421 | { "pulx", "(sp)->x", "mov16", 1, 0x38, 5, 5, CHG_NONE }, | |
81e09ed8 | 422 | { "rts", 0, "rts11", 1, 0x39, 5, 5, CHG_NONE }, |
e0709f50 | 423 | { "abx", "b,x->x", "abxy16", 1, 0x3a, 3, 3, CHG_NONE }, |
81e09ed8 | 424 | { "rti", 0, "rti11", 1, 0x3b, 12, 12, CHG_ALL}, |
e0709f50 AC |
425 | { "pshx", "x->(sp)", "mov16", 1, 0x3c, 4, 4, CHG_NONE }, |
426 | { "mul", "b,a->d", "mul16", 1, 0x3d, 3, 10, CHG_C }, | |
427 | { "wai", 0, 0, 1, 0x3e, 14, _M, CHG_NONE }, | |
428 | { "swi", 0, 0, 1, 0x3f, 14, _M, CHG_NONE }, | |
429 | { "nega", "a->a", "neg8", 1, 0x40, 2, 2, CHG_NZVC }, | |
430 | { "syscall", "", "syscall", 1, 0x41, 2, 2, CHG_NONE }, | |
431 | { "coma", "a->a", "com8", 1, 0x43, 2, 2, SET_C_CLR_V_CHG_NZ }, | |
432 | { "lsra", "a->a", "lsr8", 1, 0x44, 2, 2, CLR_N_CHG_ZVC}, | |
433 | { "rora", "a->a", "ror8", 1, 0x46, 2, 2, CHG_NZVC }, | |
434 | { "asra", "a->a", "asr8", 1, 0x47, 2, 2, CHG_NZVC }, | |
435 | { "asla", "a->a", "lsl8", 1, 0x48, 2, 2, CHG_NZVC }, | |
e0709f50 AC |
436 | { "rola", "a->a", "rol8", 1, 0x49, 2, 2, CHG_NZVC }, |
437 | { "deca", "a->a", "dec8", 1, 0x4a, 2, 2, CHG_NZV }, | |
438 | { "inca", "a->a", "inc8", 1, 0x4c, 2, 2, CHG_NZV }, | |
439 | { "tsta", "a", "tst8", 1, 0x4d, 2, 2, CLR_V_CHG_NZ }, | |
440 | { "clra", "->a", "clr8", 1, 0x4f, 2, 2, SET_Z_CLR_NVC }, | |
441 | { "negb", "b->b", "neg8", 1, 0x50, 2, 2, CHG_NZVC }, | |
442 | { "comb", "b->b", "com8", 1, 0x53, 2, 2, SET_C_CLR_V_CHG_NZ }, | |
443 | { "lsrb", "b->b", "lsr8", 1, 0x54, 2, 2, CLR_N_CHG_ZVC }, | |
444 | { "rorb", "b->b", "ror8", 1, 0x56, 2, 2, CHG_NZVC }, | |
445 | { "asrb", "b->b", "asr8", 1, 0x57, 2, 2, CHG_NZVC }, | |
446 | { "aslb", "b->b", "lsl8", 1, 0x58, 2, 2, CHG_NZVC }, | |
e0709f50 AC |
447 | { "rolb", "b->b", "rol8", 1, 0x59, 2, 2, CHG_NZVC }, |
448 | { "decb", "b->b", "dec8", 1, 0x5a, 2, 2, CHG_NZV }, | |
449 | { "incb", "b->b", "inc8", 1, 0x5c, 2, 2, CHG_NZV }, | |
450 | { "tstb", "b", "tst8", 1, 0x5d, 2, 2, CLR_V_CHG_NZ }, | |
451 | { "clrb", "->b", "clr8", 1, 0x5f, 2, 2, SET_Z_CLR_NVC }, | |
452 | { "neg", "(x)->(x)", "neg8", 2, 0x60, 6, 6, CHG_NZVC }, | |
453 | { "com", "(x)->(x)", "com8", 2, 0x63, 6, 6, SET_C_CLR_V_CHG_NZ }, | |
454 | { "lsr", "(x)->(x)", "lsr8", 2, 0x64, 6, 6, CLR_N_CHG_ZVC }, | |
455 | { "ror", "(x)->(x)", "ror8", 2, 0x66, 6, 6, CHG_NZVC }, | |
456 | { "asr", "(x)->(x)", "asr8", 2, 0x67, 6, 6, CHG_NZVC }, | |
457 | { "asl", "(x)->(x)", "lsl8", 2, 0x68, 6, 6, CHG_NZVC }, | |
e0709f50 AC |
458 | { "rol", "(x)->(x)", "rol8", 2, 0x69, 6, 6, CHG_NZVC }, |
459 | { "dec", "(x)->(x)", "dec8", 2, 0x6a, 6, 6, CHG_NZV }, | |
460 | { "inc", "(x)->(x)", "inc8", 2, 0x6c, 6, 6, CHG_NZV }, | |
461 | { "tst", "(x)", "tst8", 2, 0x6d, 6, 6, CLR_V_CHG_NZ }, | |
462 | { "jmp", "&(x)", "bra", 2, 0x6e, 3, 3, CHG_NONE }, | |
463 | { "clr", "->(x)", "clr8", 2, 0x6f, 6, 6, SET_Z_CLR_NVC }, | |
464 | { "neg", "()->()", "neg8", 3, 0x70, 6, 6, CHG_NZVC }, | |
465 | { "com", "()->()", "com8", 3, 0x73, 6, 6, SET_C_CLR_V_CHG_NZ }, | |
466 | { "lsr", "()->()", "lsr8", 3, 0x74, 6, 6, CLR_V_CHG_ZVC }, | |
467 | { "ror", "()->()", "ror8", 3, 0x76, 6, 6, CHG_NZVC }, | |
468 | { "asr", "()->()", "asr8", 3, 0x77, 6, 6, CHG_NZVC }, | |
469 | { "asl", "()->()", "lsl8", 3, 0x78, 6, 6, CHG_NZVC }, | |
e0709f50 AC |
470 | { "rol", "()->()", "rol8", 3, 0x79, 6, 6, CHG_NZVC }, |
471 | { "dec", "()->()", "dec8", 3, 0x7a, 6, 6, CHG_NZV }, | |
472 | { "inc", "()->()", "inc8", 3, 0x7c, 6, 6, CHG_NZV }, | |
473 | { "tst", "()", "tst8", 3, 0x7d, 6, 6, CLR_V_CHG_NZ }, | |
474 | { "jmp", "&()", "bra", 3, 0x7e, 3, 3, CHG_NONE }, | |
475 | { "clr", "->()", "clr8", 3, 0x7f, 6, 6, SET_Z_CLR_NVC }, | |
476 | { "suba", "#,a->a", "sub8", 2, 0x80, 2, 2, CHG_NZVC }, | |
477 | { "cmpa", "#,a", "sub8", 2, 0x81, 2, 2, CHG_NZVC }, | |
478 | { "sbca", "#,a->a", "sbc8", 2, 0x82, 2, 2, CHG_NZVC }, | |
479 | { "subd", "#,d->d", "sub16", 3, 0x83, 4, 4, CHG_NZVC }, | |
480 | { "anda", "#,a->a", "and8", 2, 0x84, 2, 2, CLR_V_CHG_NZ }, | |
481 | { "bita", "#,a", "and8", 2, 0x85, 2, 2, CLR_V_CHG_NZ }, | |
482 | { "ldaa", "#->a", "movtst8", 2, 0x86, 2, 2, CLR_V_CHG_NZ }, | |
483 | { "eora", "#,a->a", "eor8", 2, 0x88, 2, 2, CLR_V_CHG_NZ }, | |
484 | { "adca", "#,a->a", "adc8", 2, 0x89, 2, 2, CHG_HNZVC }, | |
485 | { "oraa", "#,a->a", "or8", 2, 0x8a, 2, 2, CLR_V_CHG_NZ }, | |
486 | { "adda", "#,a->a", "add8", 2, 0x8b, 2, 2, CHG_HNZVC }, | |
487 | { "cmpx", "#,x", "sub16", 3, 0x8c, 4, 4, CHG_NZVC }, | |
81e09ed8 | 488 | { "bsr", "r", "jsr_11_16", 2, 0x8d, 6, 6, CHG_NONE }, |
e0709f50 AC |
489 | { "lds", "#->sp", "movtst16", 3, 0x8e, 3, 3, CLR_V_CHG_NZ }, |
490 | { "xgdx", "x->x", "xgdxy16", 1, 0x8f, 3, 3, CHG_NONE }, | |
491 | { "suba", "*,a->a", "sub8", 2, 0x90, 3, 3, CHG_NZVC }, | |
492 | { "cmpa", "*,a", "sub8", 2, 0x91, 3, 3, CHG_NZVC }, | |
493 | { "sbca", "*,a->a", "sbc8", 2, 0x92, 3, 3, CHG_NZVC }, | |
494 | { "subd", "*,d->d", "sub16", 2, 0x93, 5, 5, CHG_NZVC }, | |
495 | { "anda", "*,a->a", "and8", 2, 0x94, 3, 3, CLR_V_CHG_NZ }, | |
496 | { "bita", "*,a", "and8", 2, 0x95, 3, 3, CLR_V_CHG_NZ }, | |
497 | { "ldaa", "*->a", "movtst8", 2, 0x96, 3, 3, CLR_V_CHG_NZ }, | |
498 | { "staa", "a->*", "movtst8", 2, 0x97, 3, 3, CLR_V_CHG_NZ }, | |
499 | { "eora", "*,a->a", "eor8", 2, 0x98, 3, 3, CLR_V_CHG_NZ }, | |
500 | { "adca", "*,a->a", "adc8", 2, 0x99, 3, 3, CHG_HNZVC }, | |
501 | { "oraa", "*,a->a", "or8", 2, 0x9a, 3, 3, CLR_V_CHG_NZ }, | |
502 | { "adda", "*,a->a", "add8", 2, 0x9b, 3, 3, CHG_HNZVC }, | |
503 | { "cmpx", "*,x", "sub16", 2, 0x9c, 5, 5, CHG_NZVC }, | |
81e09ed8 | 504 | { "jsr", "*", "jsr_11_16", 2, 0x9d, 5, 5, CHG_NONE }, |
e0709f50 AC |
505 | { "lds", "*->sp", "movtst16", 2, 0x9e, 4, 4, CLR_V_CHG_NZ }, |
506 | { "sts", "sp->*", "movtst16", 2, 0x9f, 4, 4, CLR_V_CHG_NZ }, | |
507 | { "suba", "(x),a->a", "sub8", 2, 0xa0, 4, 4, CHG_NZVC }, | |
508 | { "cmpa", "(x),a", "sub8", 2, 0xa1, 4, 4, CHG_NZVC }, | |
509 | { "sbca", "(x),a->a", "sbc8", 2, 0xa2, 4, 4, CHG_NZVC }, | |
510 | { "subd", "(x),d->d", "sub16", 2, 0xa3, 6, 6, CHG_NZVC }, | |
511 | { "anda", "(x),a->a", "and8", 2, 0xa4, 4, 4, CLR_V_CHG_NZ }, | |
512 | { "bita", "(x),a", "and8", 2, 0xa5, 4, 4, CLR_V_CHG_NZ }, | |
513 | { "ldaa", "(x)->a", "movtst8", 2, 0xa6, 4, 4, CLR_V_CHG_NZ }, | |
514 | { "staa", "a->(x)", "movtst8", 2, 0xa7, 4, 4, CLR_V_CHG_NZ }, | |
515 | { "eora", "(x),a->a", "eor8", 2, 0xa8, 4, 4, CLR_V_CHG_NZ }, | |
516 | { "adca", "(x),a->a", "adc8", 2, 0xa9, 4, 4, CHG_HNZVC }, | |
517 | { "oraa", "(x),a->a", "or8", 2, 0xaa, 4, 4, CLR_V_CHG_NZ }, | |
518 | { "adda", "(x),a->a", "add8", 2, 0xab, 4, 4, CHG_HNZVC }, | |
519 | { "cmpx", "(x),x", "sub16", 2, 0xac, 6, 6, CHG_NZVC }, | |
81e09ed8 | 520 | { "jsr", "&(x)", "jsr_11_16", 2, 0xad, 6, 6, CHG_NONE }, |
e0709f50 AC |
521 | { "lds", "(x)->sp", "movtst16", 2, 0xae, 5, 5, CLR_V_CHG_NZ }, |
522 | { "sts", "sp->(x)", "movtst16", 2, 0xaf, 5, 5, CLR_V_CHG_NZ }, | |
523 | { "suba", "(),a->a", "sub8", 3, 0xb0, 4, 4, CHG_NZVC }, | |
524 | { "cmpa", "(),a", "sub8", 3, 0xb1, 4, 4, CHG_NZVC }, | |
525 | { "sbca", "(),a->a", "sbc8", 3, 0xb2, 4, 4, CHG_NZVC }, | |
526 | { "subd", "(),d->d", "sub16", 3, 0xb3, 6, 6, CHG_NZVC }, | |
527 | { "anda", "(),a->a", "and8", 3, 0xb4, 4, 4, CLR_V_CHG_NZ }, | |
528 | { "bita", "(),a", "and8", 3, 0xb5, 4, 4, CLR_V_CHG_NZ }, | |
529 | { "ldaa", "()->a", "movtst8", 3, 0xb6, 4, 4, CLR_V_CHG_NZ }, | |
530 | { "staa", "a->()", "movtst8", 3, 0xb7, 4, 4, CLR_V_CHG_NZ }, | |
531 | { "eora", "(),a->a", "eor8", 3, 0xb8, 4, 4, CLR_V_CHG_NZ }, | |
532 | { "adca", "(),a->a", "adc8", 3, 0xb9, 4, 4, CHG_HNZVC }, | |
533 | { "oraa", "(),a->a", "or8", 3, 0xba, 4, 4, CLR_V_CHG_NZ }, | |
534 | { "adda", "(),a->a", "add8", 3, 0xbb, 4, 4, CHG_HNZVC }, | |
535 | { "cmpx", "(),x", "sub16", 3, 0xbc, 5, 5, CHG_NZVC }, | |
81e09ed8 | 536 | { "jsr", "&()", "jsr_11_16", 3, 0xbd, 6, 6, CHG_NONE }, |
e0709f50 AC |
537 | { "lds", "()->sp", "movtst16", 3, 0xbe, 5, 5, CLR_V_CHG_NZ }, |
538 | { "sts", "sp->()", "movtst16", 3, 0xbf, 5, 5, CLR_V_CHG_NZ }, | |
539 | { "subb", "#,b->b", "sub8", 2, 0xc0, 2, 2, CHG_NZVC }, | |
540 | { "cmpb", "#,b", "sub8", 2, 0xc1, 2, 2, CHG_NZVC }, | |
541 | { "sbcb", "#,b->b", "sbc8", 2, 0xc2, 2, 2, CHG_NZVC }, | |
542 | { "addd", "#,d->d", "add16", 3, 0xc3, 4, 4, CHG_NZVC }, | |
543 | { "andb", "#,b->b", "and8", 2, 0xc4, 2, 2, CLR_V_CHG_NZ }, | |
544 | { "bitb", "#,b", "and8", 2, 0xc5, 2, 2, CLR_V_CHG_NZ }, | |
545 | { "ldab", "#->b", "movtst8", 2, 0xc6, 2, 2, CLR_V_CHG_NZ }, | |
546 | { "eorb", "#,b->b", "eor8", 2, 0xc8, 2, 2, CLR_V_CHG_NZ }, | |
547 | { "adcb", "#,b->b", "adc8", 2, 0xc9, 2, 2, CHG_HNZVC }, | |
548 | { "orab", "#,b->b", "or8", 2, 0xca, 2, 2, CLR_V_CHG_NZ }, | |
549 | { "addb", "#,b->b", "add8", 2, 0xcb, 2, 2, CHG_HNZVC }, | |
550 | { "ldd", "#->d", "movtst16", 3, 0xcc, 3, 3, CLR_V_CHG_NZ }, | |
551 | { "page4",0, "page4", 1, 0xcd, 0, 0, CHG_NONE }, | |
552 | { "ldx", "#->x", "movtst16", 3, 0xce, 3, 3, CLR_V_CHG_NZ }, | |
553 | { "stop", 0, 0, 1, 0xcf, 2, 2, CHG_NONE }, | |
554 | { "subb", "*,b->b", "sub8", 2, 0xd0, 3, 3, CHG_NZVC }, | |
555 | { "cmpb", "*,b", "sub8", 2, 0xd1, 3, 3, CHG_NZVC }, | |
556 | { "sbcb", "*,b->b", "sbc8", 2, 0xd2, 3, 3, CHG_NZVC }, | |
557 | { "addd", "*,d->d", "add16", 2, 0xd3, 5, 5, CHG_NZVC }, | |
558 | { "andb", "*,b->b", "and8", 2, 0xd4, 3, 3, CLR_V_CHG_NZ }, | |
559 | { "bitb", "*,b", "and8", 2, 0xd5, 3, 3, CLR_V_CHG_NZ }, | |
560 | { "ldab", "*->b", "movtst8", 2, 0xd6, 3, 3, CLR_V_CHG_NZ }, | |
561 | { "stab", "b->*", "movtst8", 2, 0xd7, 3, 3, CLR_V_CHG_NZ }, | |
562 | { "eorb", "*,b->b", "eor8", 2, 0xd8, 3, 3, CLR_V_CHG_NZ }, | |
563 | { "adcb", "*,b->b", "adc8", 2, 0xd9, 3, 3, CHG_HNZVC }, | |
564 | { "orab", "*,b->b", "or8", 2, 0xda, 3, 3, CLR_V_CHG_NZ }, | |
565 | { "addb", "*,b->b", "add8", 2, 0xdb, 3, 3, CHG_HNZVC }, | |
566 | { "ldd", "*->d", "movtst16", 2, 0xdc, 4, 4, CLR_V_CHG_NZ }, | |
567 | { "std", "d->*", "movtst16", 2, 0xdd, 4, 4, CLR_V_CHG_NZ }, | |
568 | { "ldx", "*->x", "movtst16", 2, 0xde, 4, 4, CLR_V_CHG_NZ }, | |
569 | { "stx", "x->*", "movtst16", 2, 0xdf, 4, 4, CLR_V_CHG_NZ }, | |
570 | { "subb", "(x),b->b", "sub8", 2, 0xe0, 4, 4, CHG_NZVC }, | |
571 | { "cmpb", "(x),b", "sub8", 2, 0xe1, 4, 4, CHG_NZVC }, | |
572 | { "sbcb", "(x),b->b", "sbc8", 2, 0xe2, 4, 4, CHG_NZVC }, | |
573 | { "addd", "(x),d->d", "add16", 2, 0xe3, 6, 6, CHG_NZVC }, | |
574 | { "andb", "(x),b->b", "and8", 2, 0xe4, 4, 4, CLR_V_CHG_NZ }, | |
575 | { "bitb", "(x),b", "and8", 2, 0xe5, 4, 4, CLR_V_CHG_NZ }, | |
576 | { "ldab", "(x)->b", "movtst8", 2, 0xe6, 4, 4, CLR_V_CHG_NZ }, | |
577 | { "stab", "b->(x)", "movtst8", 2, 0xe7, 4, 4, CLR_V_CHG_NZ }, | |
578 | { "eorb", "(x),b->b", "eor8", 2, 0xe8, 4, 4, CLR_V_CHG_NZ }, | |
579 | { "adcb", "(x),b->b", "adc8", 2, 0xe9, 4, 4, CHG_HNZVC }, | |
580 | { "orab", "(x),b->b", "or8", 2, 0xea, 4, 4, CLR_V_CHG_NZ }, | |
581 | { "addb", "(x),b->b", "add8", 2, 0xeb, 4, 4, CHG_HNZVC }, | |
582 | { "ldd", "(x)->d", "movtst16", 2, 0xec, 5, 5, CLR_V_CHG_NZ }, | |
583 | { "std", "d->(x)", "movtst16", 2, 0xed, 5, 5, CLR_V_CHG_NZ }, | |
584 | { "ldx", "(x)->x", "movtst16", 2, 0xee, 5, 5, CLR_V_CHG_NZ }, | |
585 | { "stx", "x->(x)", "movtst16", 2, 0xef, 5, 5, CLR_V_CHG_NZ }, | |
586 | { "subb", "(),b->b", "sub8", 3, 0xf0, 4, 4, CHG_NZVC }, | |
587 | { "cmpb", "(),b", "sub8", 3, 0xf1, 4, 4, CHG_NZVC }, | |
588 | { "sbcb", "(),b->b", "sbc8", 3, 0xf2, 4, 4, CHG_NZVC }, | |
589 | { "addd", "(),d->d", "add16", 3, 0xf3, 6, 6, CHG_NZVC }, | |
590 | { "andb", "(),b->b", "and8", 3, 0xf4, 4, 4, CLR_V_CHG_NZ }, | |
591 | { "bitb", "(),b", "and8", 3, 0xf5, 4, 4, CLR_V_CHG_NZ }, | |
592 | { "ldab", "()->b", "movtst8", 3, 0xf6, 4, 4, CLR_V_CHG_NZ }, | |
593 | { "stab", "b->()", "movtst8", 3, 0xf7, 4, 4, CLR_V_CHG_NZ }, | |
594 | { "eorb", "(),b->b", "eor8", 3, 0xf8, 4, 4, CLR_V_CHG_NZ }, | |
595 | { "adcb", "(),b->b", "eor8", 3, 0xf9, 4, 4, CHG_HNZVC }, | |
596 | { "orab", "(),b->b", "or8", 3, 0xfa, 4, 4, CLR_V_CHG_NZ }, | |
597 | { "addb", "(),b->b", "add8", 3, 0xfb, 4, 4, CHG_HNZVC }, | |
598 | { "ldd", "()->d", "movtst16", 3, 0xfc, 5, 5, CLR_V_CHG_NZ }, | |
599 | { "std", "d->()", "movtst16", 3, 0xfd, 5, 5, CLR_V_CHG_NZ }, | |
600 | { "ldx", "()->x", "movtst16", 3, 0xfe, 5, 5, CLR_V_CHG_NZ }, | |
601 | { "stx", "x->()", "movtst16", 3, 0xff, 5, 5, CLR_V_CHG_NZ } | |
602 | }; | |
603 | ||
604 | ||
605 | /* Page 2 opcodes */ | |
606 | /* | |
607 | * { "dex", "x->x", "dec16", 1, 0x00, 5, _M, CHG_NONE }, | |
608 | * Name -+ +----- Insn CCR changes | |
609 | * Operands ---+ +------------ Max # cycles | |
610 | * Pattern -----------+ +--------------- Min # cycles | |
611 | * Size -----------------+ +-------------------- Opcode | |
612 | */ | |
81e09ed8 | 613 | struct m6811_opcode_def m6811_page2_opcodes[] = { |
e0709f50 AC |
614 | { "iny", "y->y", "inc16", 2, 0x08, 4, 4, CHG_Z }, |
615 | { "dey", "y->y", "dec16", 2, 0x09, 4, 4, CHG_Z }, | |
616 | { "bset", "(y),#->(y)","or8", 4, 0x1c, 8, 8, CLR_V_CHG_NZ }, | |
617 | { "bclr", "(y),#->(y)","bclr8", 4, 0x1d, 8, 8, CLR_V_CHG_NZ }, | |
618 | { "brset","(y),#,r", "brset8", 5, 0x1e, 8, 8, CHG_NONE }, | |
619 | { "brclr","(y),#,r", "brclr8", 5, 0x1f, 8, 8, CHG_NONE }, | |
620 | { "tsy", "sp->y", "tsxy16", 2, 0x30, 4, 4, CHG_NONE }, | |
621 | { "tys", "y->sp", "txys16", 2, 0x35, 4, 4, CHG_NONE }, | |
622 | { "puly", "(sp)->y", "mov16", 2, 0x38, 6, 6, CHG_NONE }, | |
623 | { "aby", "b,y->y", "abxy16", 2, 0x3a, 4, 4, CHG_NONE }, | |
624 | { "pshy", "y->(sp)", "mov16", 2, 0x3c, 5, 5, CHG_NONE }, | |
625 | { "neg", "(y)->(y)", "neg8", 3, 0x60, 7, 7, CHG_NZVC }, | |
626 | { "com", "(y)->(y)", "com8", 3, 0x63, 7, 7, SET_C_CLR_V_CHG_NZ}, | |
627 | { "lsr", "(y)->(y)", "lsr8", 3, 0x64, 7, 7, CLR_V_CHG_ZVC }, | |
628 | { "ror", "(y)->(y)", "ror8", 3, 0x66, 7, 7, CHG_NZVC }, | |
629 | { "asr", "(y)->(y)", "asr8", 3, 0x67, 7, 7, CHG_NZVC }, | |
630 | { "asl", "(y)->(y)", "lsl8", 3, 0x68, 7, 7, CHG_NZVC }, | |
e0709f50 AC |
631 | { "rol", "(y)->(y)", "rol8", 3, 0x69, 7, 7, CHG_NZVC }, |
632 | { "dec", "(y)->(y)", "dec8", 3, 0x6a, 7, 7, CHG_NZV }, | |
633 | { "inc", "(y)->(y)", "inc8", 3, 0x6c, 7, 7, CHG_NZV }, | |
634 | { "tst", "(y)", "tst8", 3, 0x6d, 7, 7, CLR_V_CHG_NZ }, | |
635 | { "jmp", "&(y)", "bra", 3, 0x6e, 4, 4, CHG_NONE }, | |
636 | { "clr", "->(y)", "clr8", 3, 0x6f, 7, 7, SET_Z_CLR_NVC }, | |
637 | { "cmpy", "#,y", "sub16", 4, 0x8c, 5, 5, CHG_NZVC }, | |
e0709f50 AC |
638 | { "xgdy", "y->y", "xgdxy16", 2, 0x8f, 4, 4, CHG_NONE }, |
639 | { "cmpy", "*,y", "sub16", 3, 0x9c, 6, 6, CHG_NZVC }, | |
e0709f50 AC |
640 | { "suba", "(y),a->a", "sub8", 3, 0xa0, 5, 5, CHG_NZVC }, |
641 | { "cmpa", "(y),a", "sub8", 3, 0xa1, 5, 5, CHG_NZVC }, | |
642 | { "sbca", "(y),a->a", "sbc8", 3, 0xa2, 5, 5, CHG_NZVC }, | |
643 | { "subd", "(y),d->d", "sub16", 3, 0xa3, 7, 7, CHG_NZVC }, | |
644 | { "anda", "(y),a->a", "and8", 3, 0xa4, 5, 5, CLR_V_CHG_NZ }, | |
645 | { "bita", "(y),a", "and8", 3, 0xa5, 5, 5, CLR_V_CHG_NZ }, | |
646 | { "ldaa", "(y)->a", "movtst8", 3, 0xa6, 5, 5, CLR_V_CHG_NZ }, | |
647 | { "staa", "a->(y)", "movtst8", 3, 0xa7, 5, 5, CLR_V_CHG_NZ }, | |
648 | { "eora", "(y),a->a", "eor8", 3, 0xa8, 5, 5, CLR_V_CHG_NZ }, | |
649 | { "adca", "(y),a->a", "adc8", 3, 0xa9, 5, 5, CHG_HNZVC }, | |
650 | { "oraa", "(y),a->a", "or8", 3, 0xaa, 5, 5, CLR_V_CHG_NZ }, | |
651 | { "adda", "(y),a->a", "add8", 3, 0xab, 5, 5, CHG_HNZVC }, | |
652 | { "cmpy", "(y),y", "sub16", 3, 0xac, 7, 7, CHG_NZVC }, | |
81e09ed8 | 653 | { "jsr", "&(y)", "jsr_11_16", 3, 0xad, 6, 6, CHG_NONE }, |
e0709f50 AC |
654 | { "lds", "(y)->sp", "movtst16", 3, 0xae, 6, 6, CLR_V_CHG_NZ }, |
655 | { "sts", "sp->(y)", "movtst16", 3, 0xaf, 6, 6, CLR_V_CHG_NZ }, | |
656 | { "cmpy", "(),y", "sub16", 4, 0xbc, 7, 7, CHG_NZVC }, | |
e0709f50 AC |
657 | { "ldy", "#->y", "movtst16", 4, 0xce, 4, 4, CLR_V_CHG_NZ }, |
658 | { "ldy", "*->y", "movtst16", 3, 0xde, 5, 5, CLR_V_CHG_NZ }, | |
659 | { "sty", "y->*", "movtst16", 3, 0xdf, 5, 5, CLR_V_CHG_NZ }, | |
660 | { "subb", "(y),b->b", "sub8", 3, 0xe0, 5, 5, CHG_NZVC }, | |
661 | { "cmpb", "(y),b", "sub8", 3, 0xe1, 5, 5, CHG_NZVC }, | |
662 | { "sbcb", "(y),b->b", "sbc8", 3, 0xe2, 5, 5, CHG_NZVC }, | |
663 | { "addd", "(y),d->d", "add16", 3, 0xe3, 7, 7, CHG_NZVC }, | |
664 | { "andb", "(y),b->b", "and8", 3, 0xe4, 5, 5, CLR_V_CHG_NZ }, | |
665 | { "bitb", "(y),b", "and8", 3, 0xe5, 5, 5, CLR_V_CHG_NZ }, | |
666 | { "ldab", "(y)->b", "movtst8", 3, 0xe6, 5, 5, CLR_V_CHG_NZ }, | |
667 | { "stab", "b->(y)", "movtst8", 3, 0xe7, 5, 5, CLR_V_CHG_NZ }, | |
668 | { "eorb", "(y),b->b", "eor8", 3, 0xe8, 5, 5, CLR_V_CHG_NZ }, | |
669 | { "adcb", "(y),b->b", "adc8", 3, 0xe9, 5, 5, CHG_HNZVC }, | |
670 | { "orab", "(y),b->b", "or8", 3, 0xea, 5, 5, CLR_V_CHG_NZ }, | |
671 | { "addb", "(y),b->b", "add8", 3, 0xeb, 5, 5, CHG_HNZVC }, | |
672 | { "ldd", "(y)->d", "movtst16", 3, 0xec, 6, 6, CLR_V_CHG_NZ }, | |
673 | { "std", "d->(y)", "movtst16", 3, 0xed, 6, 6, CLR_V_CHG_NZ }, | |
674 | { "ldy", "(y)->y", "movtst16", 3, 0xee, 6, 6, CLR_V_CHG_NZ }, | |
675 | { "sty", "y->(y)", "movtst16", 3, 0xef, 6, 6, CLR_V_CHG_NZ }, | |
676 | { "ldy", "()->y", "movtst16", 4, 0xfe, 6, 6, CLR_V_CHG_NZ }, | |
677 | { "sty", "y->()", "movtst16", 4, 0xff, 6, 6, CLR_V_CHG_NZ } | |
678 | }; | |
679 | ||
680 | /* Page 3 opcodes */ | |
681 | /* | |
682 | * { "dex", "x->x", "dec16", 1, 0x00, 5, _M, CHG_NONE }, | |
683 | * Name -+ +----- Insn CCR changes | |
684 | * Operands ---+ +------------ Max # cycles | |
685 | * Pattern -----------+ +--------------- Min # cycles | |
686 | * Size -----------------+ +-------------------- Opcode | |
687 | */ | |
81e09ed8 | 688 | struct m6811_opcode_def m6811_page3_opcodes[] = { |
e0709f50 | 689 | { "cmpd", "#,d", "sub16", 4, 0x83, 5, 5, CHG_NZVC }, |
e0709f50 | 690 | { "cmpd", "*,d", "sub16", 3, 0x93, 6, 6, CHG_NZVC }, |
e0709f50 | 691 | { "cmpd", "(x),d", "sub16", 3, 0xa3, 7, 7, CHG_NZVC }, |
e0709f50 | 692 | { "cmpy", "(x),y", "sub16", 3, 0xac, 7, 7, CHG_NZVC }, |
e0709f50 | 693 | { "cmpd", "(),d", "sub16", 4, 0xb3, 7, 7, CHG_NZVC }, |
e0709f50 AC |
694 | { "ldy", "(x)->y", "movtst16", 3, 0xee, 6, 6, CLR_V_CHG_NZ }, |
695 | { "sty", "y->(x)", "movtst16", 3, 0xef, 6, 6, CLR_V_CHG_NZ } | |
696 | }; | |
697 | ||
698 | /* Page 4 opcodes */ | |
699 | /* | |
700 | * { "dex", "x->x", "dec16", 1, 0x00, 5, _M, CHG_NONE }, | |
701 | * Name -+ +----- Insn CCR changes | |
702 | * Operands ---+ +------------ Max # cycles | |
703 | * Pattern -----------+ +--------------- Min # cycles | |
704 | * Size -----------------+ +-------------------- Opcode | |
705 | */ | |
81e09ed8 | 706 | struct m6811_opcode_def m6811_page4_opcodes[] = { |
e0709f50 AC |
707 | { "syscall", "", "syscall", 2, 0x03, 6, 6, CHG_NONE }, |
708 | { "cmpd", "(y),d", "sub16", 3, 0xa3, 7, 7, CHG_NZVC }, | |
e0709f50 | 709 | { "cmpx", "(y),x", "sub16", 3, 0xac, 7, 7, CHG_NZVC }, |
e0709f50 AC |
710 | { "ldx", "(y)->x", "movtst16", 3, 0xee, 6, 6, CLR_V_CHG_NZ }, |
711 | { "stx", "x->(y)", "movtst16", 3, 0xef, 6, 6, CLR_V_CHG_NZ } | |
712 | }; | |
713 | ||
81e09ed8 SC |
714 | /* 68HC12 opcodes */ |
715 | /* | |
716 | * { "dex", "x->x", "dec16", 1, 0x00, 5, _M, CHG_NONE }, | |
717 | * Name -+ +----- Insn CCR changes | |
718 | * Operands ---+ +------------ Max # cycles | |
719 | * Pattern -----------+ +--------------- Min # cycles | |
720 | * Size -----------------+ +-------------------- Opcode | |
721 | */ | |
722 | struct m6811_opcode_def m6812_page1_opcodes[] = { | |
723 | { "adca", "#,a->a", "adc8", 2, 0x89, 1, 1, CHG_HNZVC }, | |
724 | { "adca", "*,a->a", "adc8", 2, 0x99, 3, 3, CHG_HNZVC }, | |
725 | { "adca", "(),a->a", "adc8", 3, 0xb9, 3, 3, CHG_HNZVC }, | |
726 | { "adca", "[],a->a", "adc8", 2, 0xa9, 3, 3, CHG_HNZVC }, | |
727 | ||
728 | { "adcb", "#,b->b", "adc8", 2, 0xc9, 1, 1, CHG_HNZVC }, | |
729 | { "adcb", "*,b->b", "adc8", 3, 0xd9, 3, 3, CHG_HNZVC }, | |
730 | { "adcb", "(),b->b", "adc8", 3, 0xf9, 3, 3, CHG_HNZVC }, | |
731 | { "adcb", "[],b->b", "adc8", 2, 0xe9, 3, 3, CHG_HNZVC }, | |
732 | ||
733 | { "adda", "#,a->a", "add8", 2, 0x8b, 1, 1, CHG_HNZVC }, | |
734 | { "adda", "*,a->a", "add8", 3, 0x9b, 3, 3, CHG_HNZVC }, | |
735 | { "adda", "(),a->a", "add8", 3, 0xbb, 3, 3, CHG_HNZVC }, | |
736 | { "adda", "[],a->a", "add8", 2, 0xab, 3, 3, CHG_HNZVC }, | |
737 | ||
738 | { "addb", "#,b->b", "add8", 2, 0xcb, 1, 1, CHG_HNZVC }, | |
739 | { "addb", "*,b->b", "add8", 3, 0xdb, 3, 3, CHG_HNZVC }, | |
740 | { "addb", "(),b->b", "add8", 3, 0xfb, 3, 3, CHG_HNZVC }, | |
741 | { "addb", "[],b->b", "add8", 2, 0xeb, 3, 3, CHG_HNZVC }, | |
742 | ||
743 | { "addd", "#,d->d", "add16", 3, 0xc3, 2, 2, CHG_NZVC }, | |
744 | { "addd", "*,d->d", "add16", 2, 0xd3, 3, 3, CHG_NZVC }, | |
745 | { "addd", "(),d->d", "add16", 3, 0xf3, 3, 3, CHG_NZVC }, | |
746 | { "addd", "[],d->d", "add16", 2, 0xe3, 3, 3, CHG_NZVC }, | |
747 | ||
748 | { "anda", "#,a->a", "and8", 2, 0x84, 1, 1, CLR_V_CHG_NZ }, | |
749 | { "anda", "*,a->a", "and8", 2, 0x94, 3, 3, CLR_V_CHG_NZ }, | |
750 | { "anda", "(),a->a", "and8", 3, 0xb4, 3, 3, CLR_V_CHG_NZ }, | |
751 | { "anda", "[],a->a", "and8", 2, 0xa4, 3, 3, CLR_V_CHG_NZ }, | |
752 | ||
753 | { "andb", "#,b->b", "and8", 2, 0xc4, 1, 1, CLR_V_CHG_NZ }, | |
754 | { "andb", "*,b->b", "and8", 2, 0xd4, 3, 3, CLR_V_CHG_NZ }, | |
755 | { "andb", "(),b->b", "and8", 3, 0xf4, 3, 3, CLR_V_CHG_NZ }, | |
756 | { "andb", "[],b->b", "and8", 2, 0xe4, 3, 3, CLR_V_CHG_NZ }, | |
757 | ||
758 | { "andcc", "#,ccr->ccr", "and8", 2, 0x10, 1, 1, CHG_ALL }, | |
759 | ||
760 | { "asl", "()->()", "lsl8", 3, 0x78, 4, 4, CHG_NZVC }, | |
761 | { "asl", "[]->[]", "lsl8", 2, 0x68, 3, 3, CHG_NZVC }, | |
762 | ||
763 | { "asla", "a->a", "lsl8", 1, 0x48, 1, 1, CHG_NZVC }, | |
764 | { "aslb", "b->b", "lsl8", 1, 0x58, 1, 1, CHG_NZVC }, | |
765 | { "asld", "d->d", "lsl16", 1, 0x59, 1, 1, CHG_NZVC }, | |
766 | ||
767 | { "asr", "()->()", "asr8", 3, 0x77, 4, 4, CHG_NZVC }, | |
768 | { "asr", "[]->[]", "asr8", 2, 0x67, 3, 3, CHG_NZVC }, | |
769 | ||
770 | { "asra", "a->a", "asr8", 1, 0x47, 1, 1, CHG_NZVC }, | |
771 | { "asrb", "b->b", "asr8", 1, 0x57, 1, 1, CHG_NZVC }, | |
772 | ||
773 | { "bcc", "r", 0, 2, 0x24, 1, 3, CHG_NONE }, | |
774 | ||
775 | { "bclr", "*,#->*", "bclr8", 3, 0x4d, 4, 4, CLR_V_CHG_NZ }, | |
776 | { "bclr", "(),#->()", "bclr8", 4, 0x1d, 4, 4, CLR_V_CHG_NZ }, | |
777 | { "bclr", "[],#->[]", "bclr8", 3, 0x0d, 4, 4, CLR_V_CHG_NZ }, | |
778 | ||
779 | { "bcs", "r", 0, 2, 0x25, 1, 3, CHG_NONE }, | |
780 | { "beq", "r", 0, 2, 0x27, 1, 3, CHG_NONE }, | |
781 | { "bge", "r", 0, 2, 0x2c, 1, 3, CHG_NONE }, | |
782 | ||
783 | { "bgnd", 0, 0, 1, 0x00, 5, 5, CHG_NONE }, | |
784 | ||
785 | { "bgt", "r", 0, 2, 0x2e, 1, 3, CHG_NONE }, | |
786 | { "bhi", "r", 0, 2, 0x22, 1, 3, CHG_NONE }, | |
787 | ||
788 | { "bita", "#,a", "and8", 2, 0x85, 1, 1, CLR_V_CHG_NZ }, | |
789 | { "bita", "*,a", "and8", 2, 0x95, 3, 3, CLR_V_CHG_NZ }, | |
790 | { "bita", "(),a", "and8", 3, 0xb5, 3, 3, CLR_V_CHG_NZ }, | |
791 | { "bita", "[],a", "and8", 2, 0xa5, 3, 3, CLR_V_CHG_NZ }, | |
792 | ||
793 | { "bitb", "#,b", "and8", 2, 0xc5, 1, 1, CLR_V_CHG_NZ }, | |
794 | { "bitb", "*,b", "and8", 2, 0xd5, 3, 3, CLR_V_CHG_NZ }, | |
795 | { "bitb", "(),b", "and8", 3, 0xf5, 3, 3, CLR_V_CHG_NZ }, | |
796 | { "bitb", "[],b", "and8", 2, 0xe5, 3, 3, CLR_V_CHG_NZ }, | |
797 | ||
798 | { "ble", "r", 0, 2, 0x2f, 1, 3, CHG_NONE }, | |
799 | { "bls", "r", 0, 2, 0x23, 1, 3, CHG_NONE }, | |
800 | { "blt", "r", 0, 2, 0x2d, 1, 3, CHG_NONE }, | |
801 | { "bmi", "r", 0, 2, 0x2b, 1, 3, CHG_NONE }, | |
802 | { "bne", "r", 0, 2, 0x26, 1, 3, CHG_NONE }, | |
803 | { "bpl", "r", 0, 2, 0x2a, 1, 3, CHG_NONE }, | |
804 | { "bra", "r", 0, 2, 0x20, 1, 3, CHG_NONE }, | |
805 | ||
806 | { "brclr", "*,#,r", "brclr8", 4, 0x4f, 4, 4, CHG_NONE }, | |
807 | { "brclr", "(),#,r", "brclr8", 5, 0x1f, 5, 5, CHG_NONE }, | |
808 | { "brclr", "[],#,r", "brclr8", 4, 0x0f, 4, 4, CHG_NONE }, | |
809 | ||
810 | { "brn", "r", "nop", 2, 0x21, 1, 3, CHG_NONE }, | |
811 | ||
812 | { "brset", "*,#,r", "brset8", 4, 0x4e, 4, 4, CHG_NONE }, | |
813 | { "brset", "(),#,r", "brset8", 5, 0x1e, 5, 5, CHG_NONE }, | |
814 | { "brset", "[],#,r", "brset8", 4, 0x0e, 4, 4, CHG_NONE }, | |
815 | ||
816 | { "bset", "*,#->*", "or8", 3, 0x4c, 4, 4, CLR_V_CHG_NZ }, | |
817 | { "bset", "(),#->()", "or8", 4, 0x1c, 4, 4, CLR_V_CHG_NZ }, | |
818 | { "bset", "[],#->[]", "or8", 3, 0x0c, 4, 4, CLR_V_CHG_NZ }, | |
819 | ||
820 | { "bsr", "r", "jsr_12_16", 2, 0x07, 4, 4, CHG_NONE }, | |
821 | ||
822 | { "bvc", "r", 0, 2, 0x28, 1, 3, CHG_NONE }, | |
823 | { "bvs", "r", 0, 2, 0x29, 1, 3, CHG_NONE }, | |
824 | ||
63f36def SC |
825 | { "call", "", "call8", 4, 0x4a, 8, 8, CHG_NONE }, |
826 | { "call", "", "call_ind",2, 0x4b, 8, 8, CHG_NONE }, | |
81e09ed8 SC |
827 | |
828 | { "clr", "->()", "clr8", 3, 0x79, 3, 3, SET_Z_CLR_NVC }, | |
829 | { "clr", "->[]", "clr8", 2, 0x69, 2, 2, SET_Z_CLR_NVC }, | |
830 | ||
831 | { "clra", "->a", "clr8", 1, 0x87, 1, 1, SET_Z_CLR_NVC }, | |
832 | { "clrb", "->b", "clr8", 1, 0xc7, 1, 1, SET_Z_CLR_NVC }, | |
833 | ||
834 | { "cpa", "#,a", "sub8", 2, 0x81, 1, 1, CHG_NZVC }, | |
835 | { "cpa", "*,a", "sub8", 2, 0x91, 3, 3, CHG_NZVC }, | |
836 | { "cpa", "(),a", "sub8", 3, 0xb1, 3, 3, CHG_NZVC }, | |
837 | { "cpa", "[],a", "sub8", 2, 0xa1, 3, 3, CHG_NZVC }, | |
838 | ||
839 | { "cpb", "#,b", "sub8", 2, 0xc1, 1, 1, CHG_NZVC }, | |
840 | { "cpb", "*,b", "sub8", 2, 0xd1, 3, 3, CHG_NZVC }, | |
841 | { "cpb", "(),b", "sub8", 3, 0xf1, 3, 3, CHG_NZVC }, | |
842 | { "cpb", "[],b", "sub8", 2, 0xe1, 3, 3, CHG_NZVC }, | |
843 | ||
844 | { "com", "()->()", "com8", 3, 0x71, 4, 4, SET_C_CLR_V_CHG_NZ }, | |
845 | { "com", "[]->[]", "com8", 2, 0x61, 3, 3, SET_C_CLR_V_CHG_NZ }, | |
846 | ||
847 | { "coma", "a->a", "com8", 1, 0x41, 1, 1, SET_C_CLR_V_CHG_NZ }, | |
848 | { "comb", "b->b", "com8", 1, 0x51, 1, 1, SET_C_CLR_V_CHG_NZ }, | |
849 | ||
850 | { "cpd", "#,d", "sub16", 3, 0x8c, 2, 2, CHG_NZVC }, | |
851 | { "cpd", "*,d", "sub16", 2, 0x9c, 3, 3, CHG_NZVC }, | |
852 | { "cpd", "(),d", "sub16", 3, 0xbc, 3, 3, CHG_NZVC }, | |
853 | { "cpd", "[],d", "sub16", 2, 0xac, 3, 3, CHG_NZVC }, | |
854 | ||
855 | { "cps", "#,sp", "sub16", 3, 0x8f, 2, 2, CHG_NZVC }, | |
856 | { "cps", "*,sp", "sub16", 2, 0x9f, 3, 3, CHG_NZVC }, | |
857 | { "cps", "(),sp", "sub16", 3, 0xbf, 3, 3, CHG_NZVC }, | |
858 | { "cps", "[],sp", "sub16", 2, 0xaf, 3, 3, CHG_NZVC }, | |
859 | ||
860 | { "cpx", "#,x", "sub16", 3, 0x8e, 2, 2, CHG_NZVC }, | |
861 | { "cpx", "*,x", "sub16", 2, 0x9e, 3, 3, CHG_NZVC }, | |
862 | { "cpx", "(),x", "sub16", 3, 0xbe, 3, 3, CHG_NZVC }, | |
863 | { "cpx", "[],x", "sub16", 2, 0xae, 3, 3, CHG_NZVC }, | |
864 | ||
865 | { "cpy", "#,y", "sub16", 3, 0x8d, 2, 2, CHG_NZVC }, | |
866 | { "cpy", "*,y", "sub16", 2, 0x9d, 3, 3, CHG_NZVC }, | |
867 | { "cpy", "(),y", "sub16", 3, 0xbd, 3, 3, CHG_NZVC }, | |
868 | { "cpy", "[],y", "sub16", 2, 0xad, 3, 3, CHG_NZVC }, | |
869 | ||
870 | /* dbeq, dbne, ibeq, ibne, tbeq, tbne */ | |
871 | { "dbeq", 0, "dbcc8", 3, 0x04, 3, 3, CHG_NONE }, | |
872 | ||
873 | { "dec", "()->()", "dec8", 3, 0x73, 4, 4, CHG_NZV }, | |
874 | { "dec", "[]->[]", "dec8", 2, 0x63, 3, 3, CHG_NZV }, | |
875 | ||
876 | { "deca", "a->a", "dec8", 1, 0x43, 1, 1, CHG_NZV }, | |
877 | { "decb", "b->b", "dec8", 1, 0x53, 1, 1, CHG_NZV }, | |
878 | ||
879 | { "dex", "x->x", "dec16", 1, 0x09, 1, 1, CHG_Z }, | |
880 | { "dey", "y->y", "dec16", 1, 0x03, 1, 1, CHG_Z }, | |
881 | ||
882 | { "ediv", 0, 0, 1, 0x11, 11, 11, CHG_NZVC }, | |
883 | { "emul", 0, 0, 1, 0x13, 3, 3, CHG_NZC }, | |
884 | ||
885 | { "eora", "#,a->a", "eor8", 2, 0x88, 1, 1, CLR_V_CHG_NZ }, | |
886 | { "eora", "*,a->a", "eor8", 2, 0x98, 3, 3, CLR_V_CHG_NZ }, | |
887 | { "eora", "(),a->a", "eor8", 3, 0xb8, 3, 3, CLR_V_CHG_NZ }, | |
888 | { "eora", "[],a->a", "eor8", 2, 0xa8, 3, 3, CLR_V_CHG_NZ }, | |
889 | ||
890 | { "eorb", "#,b->b", "eor8", 2, 0xc8, 1, 1, CLR_V_CHG_NZ }, | |
891 | { "eorb", "*,b->b", "eor8", 2, 0xd8, 3, 3, CLR_V_CHG_NZ }, | |
892 | { "eorb", "(),b->b", "eor8", 3, 0xf8, 3, 3, CLR_V_CHG_NZ }, | |
893 | { "eorb", "[],b->b", "eor8", 2, 0xe8, 3, 3, CLR_V_CHG_NZ }, | |
894 | ||
895 | /* exg, sex, tfr */ | |
896 | { "exg", "#", "exg8", 2, 0xb7, 1, 1, CHG_NONE }, | |
897 | ||
898 | { "inc", "()->()", "inc8", 3, 0x72, 4, 4, CHG_NZV }, | |
899 | { "inc", "[]->[]", "inc8", 2, 0x62, 3, 3, CHG_NZV }, | |
900 | ||
901 | { "inca", "a->a", "inc8", 1, 0x42, 1, 1, CHG_NZV }, | |
902 | { "incb", "b->b", "inc8", 1, 0x52, 1, 1, CHG_NZV }, | |
903 | ||
904 | { "inx", "x->x", "inc16", 1, 0x08, 1, 1, CHG_Z }, | |
905 | { "iny", "y->y", "inc16", 1, 0x02, 1, 1, CHG_Z }, | |
906 | ||
907 | { "jmp", "&()", "bra", 3, 0x06, 3, 3, CHG_NONE }, | |
908 | { "jmp", "&[]", "bra", 2, 0x05, 3, 3, CHG_NONE }, | |
909 | ||
910 | { "jsr", "*", "jsr_12_16", 2, 0x17, 4, 4, CHG_NONE }, | |
911 | { "jsr", "&()", "jsr_12_16", 3, 0x16, 4, 4, CHG_NONE }, | |
912 | { "jsr", "&[]", "jsr_12_16", 2, 0x15, 4, 4, CHG_NONE }, | |
913 | ||
914 | { "ldaa", "#->a", "movtst8", 2, 0x86, 1, 1, CLR_V_CHG_NZ }, | |
915 | { "ldaa", "*->a", "movtst8", 2, 0x96, 3, 3, CLR_V_CHG_NZ }, | |
916 | { "ldaa", "()->a", "movtst8", 3, 0xb6, 3, 3, CLR_V_CHG_NZ }, | |
917 | { "ldaa", "[]->a", "movtst8", 2, 0xa6, 3, 3, CLR_V_CHG_NZ }, | |
918 | ||
919 | { "ldab", "#->b", "movtst8", 2, 0xc6, 1, 1, CLR_V_CHG_NZ }, | |
920 | { "ldab", "*->b", "movtst8", 2, 0xd6, 3, 3, CLR_V_CHG_NZ }, | |
921 | { "ldab", "()->b", "movtst8", 3, 0xf6, 3, 3, CLR_V_CHG_NZ }, | |
922 | { "ldab", "[]->b", "movtst8", 2, 0xe6, 3, 3, CLR_V_CHG_NZ }, | |
923 | ||
924 | { "ldd", "#->d", "movtst16", 3, 0xcc, 2, 2, CLR_V_CHG_NZ }, | |
925 | { "ldd", "*->d", "movtst16", 2, 0xdc, 3, 3, CLR_V_CHG_NZ }, | |
926 | { "ldd", "()->d", "movtst16", 3, 0xfc, 3, 3, CLR_V_CHG_NZ }, | |
927 | { "ldd", "[]->d", "movtst16", 2, 0xec, 3, 3, CLR_V_CHG_NZ }, | |
928 | ||
929 | { "lds", "#->sp", "movtst16", 3, 0xcf, 2, 2, CLR_V_CHG_NZ }, | |
930 | { "lds", "*->sp", "movtst16", 2, 0xdf, 3, 3, CLR_V_CHG_NZ }, | |
931 | { "lds", "()->sp", "movtst16", 3, 0xff, 3, 3, CLR_V_CHG_NZ }, | |
932 | { "lds", "[]->sp", "movtst16", 2, 0xef, 3, 3, CLR_V_CHG_NZ }, | |
933 | ||
934 | { "ldx", "#->x", "movtst16", 3, 0xce, 2, 2, CLR_V_CHG_NZ }, | |
935 | { "ldx", "*->x", "movtst16", 2, 0xde, 3, 3, CLR_V_CHG_NZ }, | |
936 | { "ldx", "()->x", "movtst16", 3, 0xfe, 3, 3, CLR_V_CHG_NZ }, | |
937 | { "ldx", "[]->x", "movtst16", 2, 0xee, 3, 3, CLR_V_CHG_NZ }, | |
938 | ||
939 | { "ldy", "#->y", "movtst16", 3, 0xcd, 2, 2, CLR_V_CHG_NZ }, | |
940 | { "ldy", "*->y", "movtst16", 2, 0xdd, 3, 3, CLR_V_CHG_NZ }, | |
941 | { "ldy", "()->y", "movtst16", 3, 0xfd, 3, 3, CLR_V_CHG_NZ }, | |
942 | { "ldy", "[]->y", "movtst16", 2, 0xed, 3, 3, CLR_V_CHG_NZ }, | |
943 | ||
944 | { "leas", "&[]->sp", "lea16", 2, 0x1b, 2, 2, CHG_NONE }, | |
945 | { "leax", "&[]->x", "lea16", 2, 0x1a, 2, 2, CHG_NONE }, | |
946 | { "leay", "&[]->y", "lea16", 2, 0x19, 2, 2, CHG_NONE }, | |
947 | ||
948 | { "lsr", "()->()", "lsr8", 3, 0x74, 4, 4, CLR_N_CHG_ZVC }, | |
949 | { "lsr", "[]->[]", "lsr8", 2, 0x64, 3, 3, CLR_N_CHG_ZVC }, | |
950 | ||
951 | { "lsra", "a->a", "lsr8", 1, 0x44, 1, 1, CLR_N_CHG_ZVC }, | |
952 | { "lsrb", "b->b", "lsr8", 1, 0x54, 1, 1, CLR_N_CHG_ZVC }, | |
953 | { "lsrd", "d->d", "lsr16", 1, 0x49, 1, 1, CLR_N_CHG_ZVC }, | |
954 | ||
955 | { "mem", 0, 0, 1, 0x01, 5, 5, CHG_HNZVC }, | |
956 | ||
957 | { "mul", "b,a->d", "mul16", 1, 0x12, 3, 3, CHG_C }, | |
958 | ||
959 | { "neg", "()->()", "neg8", 3, 0x70, 4, 4, CHG_NZVC }, | |
960 | { "neg", "[]->[]", "neg8", 2, 0x60, 3, 3, CHG_NZVC }, | |
961 | ||
962 | { "nega", "a->a", "neg8", 1, 0x40, 1, 1, CHG_NZVC }, | |
963 | { "negb", "b->b", "neg8", 1, 0x50, 1, 1, CHG_NZVC }, | |
964 | ||
965 | { "nop", "", "nop", 1, 0xa7, 1, 1, CHG_NONE }, | |
966 | ||
967 | { "oraa", "#,a->a", "or8", 2, 0x8a, 1, 1, CLR_V_CHG_NZ }, | |
968 | { "oraa", "*,a->a", "or8", 2, 0x9a, 3, 3, CLR_V_CHG_NZ }, | |
969 | { "oraa", "(),a->a", "or8", 3, 0xba, 3, 3, CLR_V_CHG_NZ }, | |
970 | { "oraa", "[],a->a", "or8", 2, 0xaa, 3, 3, CLR_V_CHG_NZ }, | |
971 | ||
972 | { "orab", "#,b->b", "or8", 2, 0xca, 1, 1, CLR_V_CHG_NZ }, | |
973 | { "orab", "*,b->b", "or8", 2, 0xda, 3, 3, CLR_V_CHG_NZ }, | |
974 | { "orab", "(),b->b", "or8", 3, 0xfa, 3, 3, CLR_V_CHG_NZ }, | |
975 | { "orab", "[],b->b", "or8", 2, 0xea, 3, 3, CLR_V_CHG_NZ }, | |
976 | ||
977 | { "orcc", "#,ccr->ccr", "or8", 2, 0x14, 1, 1, CHG_ALL }, | |
978 | ||
979 | { "page2", 0, "page2", 1, 0x18, 0, 0, CHG_NONE }, | |
980 | ||
981 | { "psha", "a->(sp)", "mov8", 1, 0x36, 2, 2, CHG_NONE }, | |
982 | { "pshb", "b->(sp)", "mov8", 1, 0x37, 2, 2, CHG_NONE }, | |
983 | { "pshc", "ccr->(sp)", "mov8", 1, 0x39, 2, 2, CHG_NONE }, | |
984 | { "pshd", "d->(sp)", "mov16", 1, 0x3b, 2, 2, CHG_NONE }, | |
985 | { "pshx", "x->(sp)", "mov16", 1, 0x34, 2, 2, CHG_NONE }, | |
986 | { "pshy", "y->(sp)", "mov16", 1, 0x35, 2, 2, CHG_NONE }, | |
987 | ||
988 | { "pula", "(sp)->a", "mov8", 1, 0x32, 3, 3, CHG_NONE }, | |
989 | { "pulb", "(sp)->b", "mov8", 1, 0x33, 3, 3, CHG_NONE }, | |
990 | { "pulc", "(sp)->ccr", "mov8", 1, 0x38, 3, 3, CHG_ALL }, | |
991 | { "puld", "(sp)->d", "mov16", 1, 0x3a, 3, 3, CHG_NONE }, | |
992 | { "pulx", "(sp)->x", "mov16", 1, 0x30, 3, 3, CHG_NONE }, | |
993 | { "puly", "(sp)->y", "mov16", 1, 0x31, 3, 3, CHG_NONE }, | |
994 | ||
995 | { "rol", "()->()", "rol8", 3, 0x75, 4, 4, CHG_NZVC }, | |
996 | { "rol", "[]->[]", "rol8", 2, 0x65, 3, 3, CHG_NZVC }, | |
997 | ||
998 | { "rola", "a->a", "rol8", 1, 0x45, 1, 1, CHG_NZVC }, | |
999 | { "rolb", "b->b", "rol8", 1, 0x55, 1, 1, CHG_NZVC }, | |
1000 | ||
1001 | { "ror", "()->()", "ror8", 3, 0x76, 4, 4, CHG_NZVC }, | |
1002 | { "ror", "[]->[]", "ror8", 2, 0x66, 3, 3, CHG_NZVC }, | |
1003 | ||
1004 | { "rora", "a->a", "ror8", 1, 0x46, 1, 1, CHG_NZVC }, | |
1005 | { "rorb", "b->b", "ror8", 1, 0x56, 1, 1, CHG_NZVC }, | |
1006 | ||
1007 | { "rtc", 0, 0, 1, 0x0a, 6, 6, CHG_NONE }, | |
1008 | { "rti", 0, "rti12", 1, 0x0b, 8, 10, CHG_ALL}, | |
1009 | { "rts", 0, "rts12", 1, 0x3d, 5, 5, CHG_NONE }, | |
1010 | ||
1011 | { "sbca", "#,a->a", "sbc8", 2, 0x82, 1, 1, CHG_NZVC }, | |
1012 | { "sbca", "*,a->a", "sbc8", 2, 0x92, 3, 3, CHG_NZVC }, | |
1013 | { "sbca", "(),a->a", "sbc8", 3, 0xb2, 3, 3, CHG_NZVC }, | |
1014 | { "sbca", "[],a->a", "sbc8", 2, 0xa2, 3, 3, CHG_NZVC }, | |
1015 | ||
1016 | { "sbcb", "#,b->b", "sbc8", 2, 0xc2, 1, 1, CHG_NZVC }, | |
1017 | { "sbcb", "*,b->b", "sbc8", 2, 0xd2, 3, 3, CHG_NZVC }, | |
1018 | { "sbcb", "(),b->b", "sbc8", 3, 0xf2, 3, 3, CHG_NZVC }, | |
1019 | { "sbcb", "[],b->b", "sbc8", 2, 0xe2, 3, 3, CHG_NZVC }, | |
1020 | ||
1021 | { "staa", "a->*", "movtst8", 2, 0x5a, 2, 2, CLR_V_CHG_NZ }, | |
1022 | { "staa", "a->()", "movtst8", 3, 0x7a, 3, 3, CLR_V_CHG_NZ }, | |
1023 | { "staa", "a->[]", "movtst8", 2, 0x6a, 2, 2, CLR_V_CHG_NZ }, | |
1024 | ||
1025 | { "stab", "b->*", "movtst8", 2, 0x5b, 2, 2, CLR_V_CHG_NZ }, | |
1026 | { "stab", "b->()", "movtst8", 3, 0x7b, 3, 3, CLR_V_CHG_NZ }, | |
1027 | { "stab", "b->[]", "movtst8", 2, 0x6b, 2, 2, CLR_V_CHG_NZ }, | |
1028 | ||
1029 | { "std", "d->*", "movtst16", 2, 0x5c, 2, 2, CLR_V_CHG_NZ }, | |
1030 | { "std", "d->()", "movtst16", 3, 0x7c, 3, 3, CLR_V_CHG_NZ }, | |
1031 | { "std", "d->[]", "movtst16", 2, 0x6c, 2, 2, CLR_V_CHG_NZ }, | |
1032 | ||
1033 | { "sts", "sp->*", "movtst16", 2, 0x5f, 2, 2, CLR_V_CHG_NZ }, | |
1034 | { "sts", "sp->()", "movtst16", 3, 0x7f, 3, 3, CLR_V_CHG_NZ }, | |
1035 | { "sts", "sp->[]", "movtst16", 2, 0x6f, 2, 2, CLR_V_CHG_NZ }, | |
1036 | ||
1037 | { "stx", "x->*", "movtst16", 2, 0x5e, 2, 2, CLR_V_CHG_NZ }, | |
1038 | { "stx", "x->()", "movtst16", 3, 0x7e, 3, 3, CLR_V_CHG_NZ }, | |
1039 | { "stx", "x->[]", "movtst16", 2, 0x6e, 2, 2, CLR_V_CHG_NZ }, | |
1040 | ||
1041 | { "sty", "y->*", "movtst16", 2, 0x5d, 2, 2, CLR_V_CHG_NZ }, | |
1042 | { "sty", "y->()", "movtst16", 3, 0x7d, 3, 3, CLR_V_CHG_NZ }, | |
1043 | { "sty", "y->[]", "movtst16", 2, 0x6d, 2, 2, CLR_V_CHG_NZ }, | |
1044 | ||
1045 | { "suba", "#,a->a", "sub8", 2, 0x80, 1, 1, CHG_NZVC }, | |
1046 | { "suba", "*,a->a", "sub8", 2, 0x90, 3, 3, CHG_NZVC }, | |
1047 | { "suba", "(),a->a", "sub8", 3, 0xb0, 3, 3, CHG_NZVC }, | |
1048 | { "suba", "[],a->a", "sub8", 2, 0xa0, 3, 3, CHG_NZVC }, | |
1049 | ||
1050 | { "subb", "#,b->b", "sub8", 2, 0xc0, 1, 1, CHG_NZVC }, | |
1051 | { "subb", "*,b->b", "sub8", 2, 0xd0, 3, 3, CHG_NZVC }, | |
1052 | { "subb", "(),b->b", "sub8", 3, 0xf0, 3, 3, CHG_NZVC }, | |
1053 | { "subb", "[],b->b", "sub8", 2, 0xe0, 3, 3, CHG_NZVC }, | |
1054 | ||
1055 | { "subd", "#,d->d", "sub16", 3, 0x83, 2, 2, CHG_NZVC }, | |
1056 | { "subd", "*,d->d", "sub16", 2, 0x93, 3, 3, CHG_NZVC }, | |
1057 | { "subd", "(),d->d", "sub16", 3, 0xb3, 3, 3, CHG_NZVC }, | |
1058 | { "subd", "[],d->d", "sub16", 2, 0xa3, 3, 3, CHG_NZVC }, | |
1059 | ||
1060 | { "swi", 0, 0, 1, 0x3f, 9, 9, CHG_NONE }, | |
1061 | ||
1062 | { "tst", "()", "tst8", 3, 0xf7, 3, 3, CLR_VC_CHG_NZ }, | |
1063 | { "tst", "[]", "tst8", 2, 0xe7, 3, 3, CLR_VC_CHG_NZ }, | |
1064 | ||
1065 | { "tsta", "a", "tst8", 1, 0x97, 1, 1, CLR_VC_CHG_NZ }, | |
1066 | { "tstb", "b", "tst8", 1, 0xd7, 1, 1, CLR_VC_CHG_NZ }, | |
1067 | ||
1068 | { "wai", 0, 0, 1, 0x3e, 8, _M, CHG_NONE } | |
1069 | }; | |
1070 | ||
1071 | struct m6811_opcode_def m6812_page2_opcodes[] = { | |
1072 | { "cba", "b,a", "sub8", 2, 0x17, 2, 2, CHG_NZVC }, | |
1073 | ||
1074 | /* After 'daa', the Z flag is undefined. Mark it as changed. */ | |
1075 | { "daa", 0, "daa8", 2, 0x07, 3, 3, CHG_NZVC }, | |
1076 | ||
1077 | { "edivs", 0, 0, 2, 0x14, 12, 12, CHG_NZVC }, | |
1078 | { "emacs", 0, 0, 2, 0x12, 13, 13, CHG_NZVC }, | |
1079 | ||
1080 | { "emaxd", "[],d->d", "max16", 3, 0x1a, 4, 4, CHG_NZVC }, | |
1081 | { "emaxm", "[],d->[]", "max16", 3, 0x1e, 4, 4, CHG_NZVC }, | |
1082 | { "emind", "[],d->d", "min16", 3, 0x1b, 4, 4, CHG_NZVC }, | |
1083 | { "eminm", "[],d->[]", "min16", 3, 0x1f, 4, 4, CHG_NZVC }, | |
1084 | ||
1085 | { "emuls", 0, 0, 2, 0x13, 3, 3, CHG_NZC }, | |
1086 | { "etbl", "[]", "tbl16", 3, 0x3f, 10, 10, CHG_NZC }, | |
1087 | { "fdiv", "x,d->x", "fdiv16", 2, 0x11, 12, 12, CHG_ZVC }, | |
1088 | { "idiv", "x,d->x", "idiv16", 2, 0x10, 12, 12, CLR_V_CHG_ZC }, | |
1089 | { "idivs", 0, 0, 2, 0x15, 12, 12, CHG_NZVC }, | |
1090 | ||
1091 | { "lbcc", "R", "bcc", 4, 0x24, 3, 4, CHG_NONE }, | |
1092 | { "lbcs", "R", "bcs", 4, 0x25, 3, 4, CHG_NONE }, | |
1093 | { "lbeq", "R", "beq", 4, 0x27, 3, 4, CHG_NONE }, | |
1094 | { "lbge", "R", "bge", 4, 0x2c, 3, 4, CHG_NONE }, | |
1095 | { "lbgt", "R", "bgt", 4, 0x2e, 3, 4, CHG_NONE }, | |
1096 | { "lbhi", "R", "bhi", 4, 0x22, 3, 4, CHG_NONE }, | |
1097 | { "lble", "R", "ble", 4, 0x2f, 3, 4, CHG_NONE }, | |
1098 | { "lbls", "R", "bls", 4, 0x23, 3, 4, CHG_NONE }, | |
1099 | { "lblt", "R", "blt", 4, 0x2d, 3, 4, CHG_NONE }, | |
1100 | { "lbmi", "R", "bmi", 4, 0x2b, 3, 4, CHG_NONE }, | |
1101 | { "lbne", "R", "bne", 4, 0x26, 3, 4, CHG_NONE }, | |
1102 | { "lbpl", "R", "bpl", 4, 0x2a, 3, 4, CHG_NONE }, | |
1103 | { "lbra", "R", "bra", 4, 0x20, 4, 4, CHG_NONE }, | |
1104 | { "lbrn", "R", "nop", 4, 0x21, 3, 3, CHG_NONE }, | |
1105 | { "lbvc", "R", "bvc", 4, 0x28, 3, 4, CHG_NONE }, | |
1106 | { "lbvs", "R", "bvs", 4, 0x29, 3, 4, CHG_NONE }, | |
1107 | ||
1108 | { "maxa", "[],a->a", "max8", 3, 0x18, 4, 4, CHG_NZVC }, | |
1109 | { "maxm", "[],a->[]", "max8", 3, 0x1c, 4, 4, CHG_NZVC }, | |
1110 | { "mina", "[],a->a", "min8", 3, 0x19, 4, 4, CHG_NZVC }, | |
1111 | { "minm", "[],a->[]", "min8", 3, 0x1d, 4, 4, CHG_NZVC }, | |
1112 | ||
1113 | { "movb", 0, "move8", 5, 0x0b, 4, 4, CHG_NONE }, | |
1114 | { "movb", 0, "move8", 4, 0x08, 4, 4, CHG_NONE }, | |
1115 | { "movb", 0, "move8", 6, 0x0c, 6, 6, CHG_NONE }, | |
1116 | { "movb", 0, "move8", 5, 0x09, 5, 5, CHG_NONE }, | |
1117 | { "movb", 0, "move8", 5, 0x0d, 5, 5, CHG_NONE }, | |
1118 | { "movb", 0, "move8", 4, 0x0a, 5, 5, CHG_NONE }, | |
1119 | ||
1120 | { "movw", 0, "move16", 6, 0x03, 5, 5, CHG_NONE }, | |
1121 | { "movw", 0, "move16", 5, 0x00, 4, 4, CHG_NONE }, | |
1122 | { "movw", 0, "move16", 6, 0x04, 6, 6, CHG_NONE }, | |
1123 | { "movw", 0, "move16", 5, 0x01, 5, 5, CHG_NONE }, | |
1124 | { "movw", 0, "move16", 5, 0x05, 5, 5, CHG_NONE }, | |
1125 | { "movw", 0, "move16", 4, 0x02, 5, 5, CHG_NONE }, | |
1126 | ||
1127 | { "rev", 0, 0, 2, 0x3a, _M, _M, CHG_HNZVC }, | |
1128 | { "revw", 0, 0, 2, 0x3b, _M, _M, CHG_HNZVC }, | |
1129 | { "sba", "b,a->a", "sub8", 2, 0x16, 2, 2, CHG_NZVC }, | |
1130 | ||
1131 | { "stop", 0, 0, 2, 0x3e, 2, 9, CHG_NONE }, | |
1132 | ||
1133 | { "tab", "a->b", "movtst8", 2, 0x0e, 2, 2, CLR_V_CHG_NZ }, | |
1134 | { "tba", "b->a", "movtst8", 2, 0x0f, 2, 2, CLR_V_CHG_NZ }, | |
1135 | ||
1136 | { "wav", 0, 0, 2, 0x3c, 8, _M, SET_Z_CHG_HNVC } | |
1137 | }; | |
1138 | ||
1139 | void fatal_error (const struct m6811_opcode_def*, const char*, ...); | |
e0709f50 AC |
1140 | void print (FILE*, int, const char*,...); |
1141 | int gen_fetch_operands (FILE*, int, const struct m6811_opcode_def*, | |
1142 | const char*); | |
1143 | void gen_save_result (FILE*, int, const struct m6811_opcode_def*, | |
1144 | int, const char*); | |
1145 | const struct m6811_opcode_pattern* | |
1146 | find_opcode_pattern (const struct m6811_opcode_def*); | |
1147 | void gen_interp (FILE*, int, const struct m6811_opcode_def*); | |
1148 | void gen_interpreter_for_table (FILE*, int, | |
1149 | const struct m6811_opcode_def*, | |
1150 | int, const char*); | |
1151 | void gen_interpreter (FILE*); | |
1152 | ||
1153 | ||
1154 | static int indent_level = 2; | |
1155 | static int current_insn_size = 0; | |
1156 | ||
1157 | /* Fatal error message and exit. This method is called when an inconsistency | |
1158 | is detected in the generation table. */ | |
1159 | void | |
81e09ed8 | 1160 | fatal_error (const struct m6811_opcode_def *opcode, const char *msg, ...) |
e0709f50 | 1161 | { |
81e09ed8 SC |
1162 | va_list argp; |
1163 | ||
1164 | fprintf (stderr, "Fatal error: "); | |
1165 | va_start (argp, msg); | |
1166 | vfprintf (stderr, msg, argp); | |
1167 | va_end (argp); | |
1168 | fprintf (stderr, "\n"); | |
e0709f50 AC |
1169 | if (opcode) |
1170 | { | |
1171 | fprintf (stderr, "Opcode: 0x%02x %s %s\n", | |
81e09ed8 SC |
1172 | opcode->insn_code, |
1173 | opcode->name ? opcode->name : "(null)", | |
1174 | opcode->operands ? opcode->operands : "(null)"); | |
e0709f50 AC |
1175 | } |
1176 | exit (1); | |
1177 | } | |
1178 | ||
1179 | ||
1180 | /* Format and pretty print for the code generation. (printf like format). */ | |
1181 | void | |
1182 | print (FILE *fp, int col, const char *msg, ...) | |
1183 | { | |
1184 | va_list argp; | |
1185 | char buf[1024]; | |
1186 | int cur_col = -1; | |
1187 | int i; | |
1188 | ||
1189 | /* Format in a buffer. */ | |
1190 | va_start (argp, msg); | |
1191 | vsprintf (buf, msg, argp); | |
1192 | va_end (argp); | |
1193 | ||
1194 | /* Basic pretty print: | |
1195 | - Every line is indented at column 'col', | |
1196 | - Indentation is updated when '{' and '}' are found, | |
1197 | - Indentation is incremented by the special character '@' (not displayed). | |
1198 | - New lines inserted automatically after ';' */ | |
1199 | for (i = 0; buf[i]; i++) | |
1200 | { | |
1201 | if (buf[i] == '{') | |
1202 | col += indent_level; | |
1203 | else if (buf[i] == '}') | |
1204 | col -= indent_level; | |
1205 | else if (buf[i] == '@') | |
1206 | { | |
1207 | col += indent_level; | |
1208 | continue; | |
1209 | } | |
1210 | if (cur_col == -1 && buf[i] != ' ' && buf[i] != '\t' && buf[i] != '\n') | |
1211 | { | |
1212 | cur_col = 0; | |
1213 | while (cur_col < col) | |
1214 | { | |
1215 | fputc (' ', fp); | |
1216 | cur_col++; | |
1217 | } | |
1218 | } | |
1219 | if (buf[i] == '}') | |
1220 | col -= indent_level; | |
1221 | else if (buf[i] == '{') | |
1222 | col += indent_level; | |
1223 | else if (buf[i] == '\n') | |
1224 | cur_col = -1; | |
1225 | ||
1226 | if (cur_col != -1 || buf[i] == '\n') | |
1227 | fputc (buf[i], fp); | |
1228 | ||
1229 | if (buf[i] == ';') | |
1230 | { | |
1231 | fputc ('\n', fp); | |
1232 | cur_col = -1; | |
1233 | } | |
1234 | } | |
1235 | } | |
1236 | ||
1237 | ||
1238 | /* Generate the code to obtain the operands before execution of the | |
1239 | instruction. Operands are copied in local variables. This allows to | |
1240 | have the same instruction pattern and different operand formats. | |
1241 | There is a maximum of 3 variables: | |
1242 | ||
1243 | 8-bits 16-bits | |
1244 | 1st operand: src8 src16 | |
1245 | 2nd operand: dst8 dst16 | |
1246 | alt operand: addr addr | |
1247 | ||
1248 | The operand string is interpreted as follows: | |
1249 | ||
1250 | a Copy A register in the local 8-bits variable. | |
1251 | b " B " | |
1252 | ccr " ccr " | |
1253 | d " D " " " 16-bits variable. | |
1254 | x " X " | |
1255 | y " Y " | |
1256 | sp " SP " | |
81e09ed8 | 1257 | pc " PC " |
e0709f50 AC |
1258 | * 68HC11 page0 memory pointer. |
1259 | Get 8-bits page0 offset from program, set up 'addr' local | |
1260 | variable to refer to the location in page0. | |
1261 | Copy the 8/16-bits value pointed to by 'addr' in a 8/16-bits variable. | |
1262 | (x) 68HC11 indirect access with X register. | |
1263 | Get 8-bits unsigned offset from program, set up 'addr' = X + offset. | |
1264 | Copy the 8/16-bits value pointed to by 'addr' in a 8/16-bits variable. | |
1265 | (y) Same as (x) with Y register. | |
1266 | () 68HC11 extended address mode (global variable). | |
1267 | Get 16-bits address from program and set 'addr'. | |
1268 | Copy the 8/16-bits value pointed to by 'addr' in a 8/16-bits variable. | |
81e09ed8 | 1269 | [] 68HC12 indexed addressing mode |
e0709f50 AC |
1270 | (sp) Pop |
1271 | Pop a 8/16-bits value from stack and set in a 8/16-bits variable. | |
1272 | r Relative branch | |
1273 | Get 8-bits relative branch, compute absolute address and set 'addr' | |
1274 | # 68HC11 immediate value | |
1275 | Get a 8/16-bits value from program and set a 8/16-bits variable. | |
1276 | &(x) | |
1277 | &(y) | |
1278 | &() Similar to (x), (y) and () except that we don't read the | |
1279 | value pointed to by 'addr' (ie, only 'addr' is setup). Used by jmp/jsr. | |
81e09ed8 | 1280 | &[] Similar to [] but don't read the value pointed to by the address. |
e0709f50 AC |
1281 | , Operand separator. |
1282 | - End of input operands. | |
1283 | ||
1284 | Example: | |
1285 | (x),a->a addr = x + (uint16) (fetch8 (proc)); | |
1286 | src8 = a | |
1287 | *,#,r addr = (uint16) (fetch8 (proc)) <- Temporary 'addr' | |
1288 | src8 = read_mem8 (proc, addr) | |
1289 | dst8 = fetch8 (proc) | |
1290 | addr = fetch_relbranch (proc) <- Final 'addr' | |
1291 | ||
1292 | Returns 1 if the 'addr' operand is set, 0 otherwise. */ | |
1293 | int | |
1294 | gen_fetch_operands (FILE *fp, int col, | |
1295 | const struct m6811_opcode_def *opcode, | |
1296 | const char *operand_size) | |
1297 | { | |
1298 | static char *vars[2] = { | |
1299 | "src", | |
1300 | "dst" | |
1301 | }; | |
1302 | char c; | |
1303 | int addr_set = 0; | |
1304 | int cur_var = 0; | |
1305 | const char *operands = opcode->operands; | |
1306 | ||
1307 | if (operands == 0) | |
1308 | operands = ""; | |
1309 | ||
1310 | while ((c = *operands++) != 0) | |
1311 | { | |
1312 | switch (c) | |
1313 | { | |
1314 | case 'a': | |
1315 | if (cur_var >= 2) | |
1316 | fatal_error (opcode, "Too many locals"); | |
1317 | ||
1318 | print (fp, col, "%s8 = cpu_get_a (proc);", vars[cur_var]); | |
1319 | break; | |
1320 | ||
1321 | case 'b': | |
1322 | if (cur_var >= 2) | |
1323 | fatal_error (opcode, "Too many locals"); | |
1324 | ||
1325 | print (fp, col, "%s8 = cpu_get_b (proc);", vars[cur_var]); | |
1326 | break; | |
1327 | ||
1328 | case 'd': | |
1329 | if (cur_var >= 2) | |
1330 | fatal_error (opcode, "Too many locals"); | |
1331 | ||
1332 | print (fp, col, "%s16 = cpu_get_d (proc);", vars[cur_var]); | |
1333 | break; | |
1334 | ||
1335 | case 'x': | |
1336 | if (cur_var >= 2) | |
1337 | fatal_error (opcode, "Too many locals"); | |
1338 | ||
1339 | print (fp, col, "%s16 = cpu_get_x (proc);", vars[cur_var]); | |
1340 | break; | |
1341 | ||
1342 | case 'y': | |
1343 | if (cur_var >= 2) | |
1344 | fatal_error (opcode, "Too many locals"); | |
1345 | ||
1346 | print (fp, col, "%s16 = cpu_get_y (proc);", vars[cur_var]); | |
1347 | break; | |
1348 | ||
1349 | case '*': | |
1350 | if (cur_var >= 2) | |
1351 | fatal_error (opcode, "Too many locals"); | |
1352 | ||
1353 | if (addr_set) | |
1354 | fatal_error (opcode, "Wrong use of '*', 'addr' already used"); | |
1355 | ||
1356 | addr_set = 1; | |
1357 | current_insn_size += 1; | |
1358 | print (fp, col, "addr = (uint16) cpu_fetch8 (proc);"); | |
1359 | print (fp, col, "%s%s = memory_read%s (proc, addr);", | |
1360 | vars[cur_var], operand_size, operand_size); | |
1361 | break; | |
1362 | ||
1363 | case '&': | |
1364 | if (addr_set) | |
1365 | fatal_error (opcode, "Wrong use of '&', 'addr' already used"); | |
1366 | ||
1367 | addr_set = 1; | |
1368 | if (strncmp (operands, "(x)", 3) == 0) | |
1369 | { | |
1370 | current_insn_size += 1; | |
1371 | print (fp, col, "addr = cpu_get_x (proc) + (uint16) cpu_fetch8 (proc);"); | |
1372 | operands += 3; | |
1373 | } | |
1374 | else if (strncmp (operands, "(y)", 3) == 0) | |
1375 | { | |
1376 | current_insn_size += 1; | |
1377 | print (fp, col, "addr = cpu_get_y (proc) + (uint16) cpu_fetch8 (proc);"); | |
1378 | operands += 3; | |
1379 | } | |
1380 | else if (strncmp (operands, "()", 2) == 0) | |
1381 | { | |
1382 | current_insn_size += 2; | |
1383 | print (fp, col, "addr = cpu_fetch16 (proc);"); | |
1384 | operands += 2; | |
1385 | } | |
81e09ed8 SC |
1386 | else if (strncmp (operands, "[]", 2) == 0) |
1387 | { | |
1388 | current_insn_size += 1; | |
1389 | print (fp, col, "addr = cpu_get_indexed_operand_addr (proc, 0);"); | |
1390 | operands += 2; | |
1391 | } | |
e0709f50 AC |
1392 | else |
1393 | { | |
1394 | fatal_error (opcode, "Unknown operand"); | |
1395 | } | |
1396 | break; | |
1397 | ||
1398 | case '(': | |
1399 | if (cur_var >= 2) | |
1400 | fatal_error (opcode, "Too many locals"); | |
1401 | ||
1402 | if (addr_set) | |
1403 | fatal_error (opcode, "Wrong use of '(', 'addr' already used"); | |
1404 | ||
1405 | if (strncmp (operands, "x)", 2) == 0) | |
1406 | { | |
1407 | addr_set = 1; | |
1408 | current_insn_size += 1; | |
1409 | print (fp, col, "addr = cpu_get_x (proc) + (uint16) cpu_fetch8 (proc);"); | |
1410 | print (fp, col, "%s%s = memory_read%s (proc, addr);", | |
1411 | vars[cur_var], operand_size, operand_size); | |
1412 | operands += 2; | |
1413 | } | |
1414 | else if (strncmp (operands, "y)", 2) == 0) | |
1415 | { | |
1416 | addr_set = 1; | |
1417 | current_insn_size += 1; | |
1418 | print (fp, col, "addr = cpu_get_y (proc) + (uint16) cpu_fetch8 (proc);"); | |
1419 | print (fp, col, "%s%s = memory_read%s (proc, addr);", | |
1420 | vars[cur_var], operand_size, operand_size); | |
1421 | operands += 2; | |
1422 | } | |
1423 | else if (strncmp (operands, ")", 1) == 0) | |
1424 | { | |
1425 | addr_set = 1; | |
1426 | current_insn_size += 2; | |
1427 | print (fp, col, "addr = cpu_fetch16 (proc);"); | |
1428 | print (fp, col, "%s%s = memory_read%s (proc, addr);", | |
1429 | vars[cur_var], operand_size, operand_size); | |
1430 | operands++; | |
1431 | } | |
81e09ed8 | 1432 | else if (strncmp (operands, "@)", 2) == 0) |
e0709f50 | 1433 | { |
81e09ed8 SC |
1434 | current_insn_size += 2; |
1435 | print (fp, col, "addr = cpu_fetch16 (proc);"); | |
1436 | print (fp, col, "%s%s = memory_read%s (proc, addr);", | |
e0709f50 | 1437 | vars[cur_var], operand_size, operand_size); |
81e09ed8 SC |
1438 | operands += 2; |
1439 | } | |
1440 | else if (strncmp (operands, "sp)", 3) == 0) | |
1441 | { | |
1442 | print (fp, col, "%s%s = cpu_%s_pop_uint%s (proc);", | |
1443 | vars[cur_var], operand_size, | |
1444 | cpu_type == cpu6811 ? "m68hc11" : "m68hc12", | |
1445 | operand_size); | |
e0709f50 AC |
1446 | operands += 3; |
1447 | } | |
1448 | else | |
1449 | { | |
1450 | fatal_error (opcode, "Unknown operand"); | |
1451 | } | |
1452 | break; | |
1453 | ||
81e09ed8 SC |
1454 | case '[': |
1455 | if (cur_var >= 2) | |
1456 | fatal_error (opcode, "Too many locals"); | |
1457 | ||
1458 | if (addr_set) | |
1459 | fatal_error (opcode, "Wrong use of '[', 'addr' already used"); | |
1460 | ||
1461 | if (strncmp (operands, "]", 1) == 0) | |
1462 | { | |
1463 | addr_set = 1; | |
1464 | current_insn_size += 1; | |
1465 | print (fp, col, "addr = cpu_get_indexed_operand_addr (proc,0);"); | |
1466 | print (fp, col, "%s%s = memory_read%s (proc, addr);", | |
1467 | vars[cur_var], operand_size, operand_size); | |
1468 | operands += 1; | |
1469 | } | |
1470 | else if (strncmp (operands, "]", 1) == 0) | |
1471 | { | |
1472 | current_insn_size += 1; | |
1473 | print (fp, col, "%s%s = cpu_get_indexed_operand%s (proc,0);", | |
1474 | vars[cur_var], operand_size, operand_size); | |
1475 | operands += 1; | |
1476 | } | |
1477 | else | |
1478 | { | |
1479 | fatal_error (opcode, "Unknown operand"); | |
1480 | } | |
1481 | break; | |
1482 | ||
1483 | case '{': | |
1484 | if (cur_var >= 2) | |
1485 | fatal_error (opcode, "Too many locals"); | |
1486 | ||
1487 | if (addr_set) | |
1488 | fatal_error (opcode, "Wrong use of '{', 'addr' already used"); | |
1489 | ||
1490 | if (strncmp (operands, "}", 1) == 0) | |
1491 | { | |
1492 | current_insn_size += 1; | |
1493 | print (fp, col, "%s%s = cpu_get_indexed_operand%s (proc, 1);", | |
1494 | vars[cur_var], operand_size, operand_size); | |
1495 | operands += 1; | |
1496 | } | |
1497 | else | |
1498 | { | |
1499 | fatal_error (opcode, "Unknown operand"); | |
1500 | } | |
1501 | break; | |
1502 | ||
e0709f50 AC |
1503 | case 's': |
1504 | if (cur_var >= 2) | |
1505 | fatal_error (opcode, "Too many locals"); | |
1506 | ||
1507 | if (strncmp (operands, "p", 1) == 0) | |
1508 | { | |
1509 | print (fp, col, "%s16 = cpu_get_sp (proc);", vars[cur_var]); | |
1510 | operands++; | |
1511 | } | |
1512 | else | |
1513 | { | |
1514 | fatal_error (opcode, "Unknown operands"); | |
1515 | } | |
1516 | break; | |
1517 | ||
1518 | case 'c': | |
1519 | if (strncmp (operands, "cr", 2) == 0) | |
1520 | { | |
1521 | print (fp, col, "%s8 = cpu_get_ccr (proc);", vars[cur_var]); | |
1522 | operands += 2; | |
1523 | } | |
1524 | else | |
1525 | { | |
1526 | fatal_error (opcode, "Unknown operands"); | |
1527 | } | |
1528 | break; | |
1529 | ||
1530 | case 'r': | |
1531 | if (addr_set && cur_var != 2) | |
1532 | fatal_error (opcode, "Wrong use of 'r'"); | |
1533 | ||
1534 | addr_set = 1; | |
1535 | current_insn_size += 1; | |
1536 | print (fp, col, "addr = cpu_fetch_relbranch (proc);"); | |
1537 | break; | |
1538 | ||
81e09ed8 SC |
1539 | case 'R': |
1540 | if (addr_set && cur_var != 2) | |
1541 | fatal_error (opcode, "Wrong use of 'R'"); | |
1542 | ||
1543 | addr_set = 1; | |
1544 | current_insn_size += 2; | |
1545 | print (fp, col, "addr = cpu_fetch_relbranch16 (proc);"); | |
1546 | break; | |
1547 | ||
e0709f50 AC |
1548 | case '#': |
1549 | if (strcmp (operand_size, "8") == 0) | |
1550 | { | |
1551 | current_insn_size += 1; | |
1552 | } | |
1553 | else | |
1554 | { | |
1555 | current_insn_size += 2; | |
1556 | } | |
1557 | print (fp, col, "%s%s = cpu_fetch%s (proc);", vars[cur_var], | |
1558 | operand_size, operand_size); | |
1559 | break; | |
1560 | ||
1561 | case ',': | |
1562 | cur_var ++; | |
1563 | break; | |
1564 | ||
1565 | case '-': | |
1566 | return addr_set; | |
1567 | ||
1568 | default: | |
1569 | fatal_error (opcode, "Invalid operands"); | |
1570 | break; | |
1571 | } | |
1572 | } | |
1573 | return addr_set; | |
1574 | } | |
1575 | ||
1576 | ||
1577 | /* Generate the code to save the instruction result. The result is in | |
1578 | a local variable: either 'dst8' or 'dst16'. | |
1579 | There may be only one result. Instructions with 2 results (ie idiv | |
1580 | and fdiv), take care of saving the first value. | |
1581 | ||
1582 | The operand string is the same as for 'gen_fetch_operands'. | |
1583 | Everything before '->' is ignored. If the '->' is not found, it | |
1584 | is assumed that there is nothing to save. After '->', the operand | |
1585 | string is interpreted as follows: | |
1586 | ||
1587 | a Save 'dst8' in A register | |
1588 | b " B " | |
1589 | ccr " CCR " | |
1590 | d " 'dst16' D " | |
1591 | x " X " | |
1592 | y " Y " | |
1593 | sp " SP " | |
1594 | * 68HC11 page0 memory pointer. | |
1595 | (x) 68HC11 indirect access with X register. | |
1596 | (y) Same as (x) with Y register. | |
1597 | () 68HC11 extended address mode (global variable). | |
1598 | For these modes, if they were used as an input operand, | |
1599 | the 'addr' variable contains the address of memory where | |
1600 | the result must be saved. | |
1601 | If they were not used an input operand, 'addr' is computed | |
1602 | (as in gen_fetch_operands()), and the result is saved. | |
81e09ed8 | 1603 | [] 68HC12 indexed indirect |
e0709f50 AC |
1604 | (sp) Push |
1605 | Push the 8/16-bits result on the stack. */ | |
1606 | void | |
1607 | gen_save_result (FILE *fp, int col, | |
1608 | const struct m6811_opcode_def *opcode, | |
1609 | int addr_set, | |
1610 | const char *operand_size) | |
1611 | { | |
1612 | char c; | |
1613 | const char *operands = opcode->operands; | |
1614 | ||
1615 | /* When the result is saved, 'result_size' is a string which | |
1616 | indicates the size of the saved result ("8" or "16"). This | |
1617 | is a sanity check with 'operand_size' to detect inconsistencies | |
1618 | in the different tables. */ | |
1619 | const char *result_size = 0; | |
1620 | ||
1621 | if (operands == 0) | |
1622 | operands = ""; | |
1623 | ||
1624 | operands = strchr (operands, '-'); | |
1625 | if (operands == 0) | |
1626 | return; | |
1627 | ||
1628 | operands++; | |
1629 | if (*operands++ != '>') | |
1630 | { | |
1631 | fatal_error (opcode, "Invalid operand"); | |
1632 | } | |
1633 | ||
1634 | c = *operands++; | |
1635 | switch (c) | |
1636 | { | |
1637 | case 'a': | |
1638 | result_size = "8"; | |
1639 | print (fp, col, "cpu_set_a (proc, dst8);"); | |
1640 | break; | |
1641 | ||
1642 | case 'b': | |
1643 | result_size = "8"; | |
1644 | print (fp, col, "cpu_set_b (proc, dst8);"); | |
1645 | break; | |
1646 | ||
1647 | case 'd': | |
1648 | result_size = "16"; | |
1649 | print (fp, col, "cpu_set_d (proc, dst16);"); | |
1650 | break; | |
1651 | ||
1652 | case 'x': | |
1653 | result_size = "16"; | |
1654 | print (fp, col, "cpu_set_x (proc, dst16);"); | |
1655 | break; | |
1656 | ||
1657 | case 'y': | |
1658 | result_size = "16"; | |
1659 | print (fp, col, "cpu_set_y (proc, dst16);"); | |
1660 | break; | |
1661 | ||
1662 | case '*': | |
1663 | if (addr_set == 0) | |
1664 | { | |
1665 | current_insn_size += 1; | |
1666 | print (fp, col, "addr = (uint16) cpu_fetch8 (proc);"); | |
1667 | } | |
1668 | result_size = operand_size; | |
1669 | print (fp, col, "memory_write%s (proc, addr, dst%s);", | |
1670 | operand_size, operand_size); | |
1671 | break; | |
1672 | ||
1673 | case '(': | |
1674 | if (strncmp (operands, "x)", 2) == 0) | |
1675 | { | |
1676 | if (addr_set == 0) | |
1677 | { | |
1678 | current_insn_size += 1; | |
1679 | print (fp, col, "addr = cpu_get_x (proc) + cpu_fetch8 (proc);"); | |
1680 | } | |
1681 | print (fp, col, "memory_write%s (proc, addr, dst%s);", | |
1682 | operand_size, operand_size); | |
1683 | operands += 2; | |
1684 | result_size = operand_size; | |
1685 | } | |
1686 | else if (strncmp (operands, "y)", 2) == 0) | |
1687 | { | |
1688 | if (addr_set == 0) | |
1689 | { | |
1690 | current_insn_size += 1; | |
1691 | print (fp, col, "addr = cpu_get_y (proc) + cpu_fetch8 (proc);"); | |
1692 | } | |
1693 | print (fp, col, "memory_write%s (proc, addr, dst%s);", | |
1694 | operand_size, operand_size); | |
1695 | operands += 2; | |
1696 | result_size = operand_size; | |
1697 | } | |
1698 | else if (strncmp (operands, ")", 1) == 0) | |
1699 | { | |
1700 | if (addr_set == 0) | |
1701 | { | |
1702 | current_insn_size += 2; | |
1703 | print (fp, col, "addr = cpu_fetch16 (proc);"); | |
1704 | } | |
1705 | print (fp, col, "memory_write%s (proc, addr, dst%s);", | |
1706 | operand_size, operand_size); | |
1707 | operands++; | |
1708 | result_size = operand_size; | |
1709 | } | |
1710 | else if (strncmp (operands, "sp)", 3) == 0) | |
1711 | { | |
81e09ed8 SC |
1712 | print (fp, col, "cpu_%s_push_uint%s (proc, dst%s);", |
1713 | cpu_type == cpu6811 ? "m68hc11" : "m68hc12", | |
e0709f50 AC |
1714 | operand_size, operand_size); |
1715 | operands += 3; | |
1716 | result_size = operand_size; | |
1717 | } | |
1718 | else | |
1719 | { | |
1720 | fatal_error (opcode, "Invalid operand"); | |
1721 | } | |
1722 | break; | |
1723 | ||
81e09ed8 SC |
1724 | case '[': |
1725 | if (strncmp (operands, "]", 1) == 0) | |
1726 | { | |
1727 | if (addr_set == 0) | |
1728 | { | |
1729 | current_insn_size += 1; | |
1730 | print (fp, col, "addr = cpu_get_indexed_operand_addr (proc,0);"); | |
1731 | } | |
1732 | print (fp, col, "memory_write%s (proc, addr, dst%s);", | |
1733 | operand_size, operand_size); | |
1734 | operands++; | |
1735 | result_size = operand_size; | |
1736 | } | |
1737 | else | |
1738 | { | |
1739 | fatal_error (opcode, "Invalid operand"); | |
1740 | } | |
1741 | break; | |
1742 | ||
1743 | case '{': | |
1744 | if (strncmp (operands, "}", 1) == 0) | |
1745 | { | |
1746 | current_insn_size += 1; | |
1747 | print (fp, col, "addr = cpu_get_indexed_operand_addr (proc, 1);"); | |
1748 | print (fp, col, "memory_write%s (proc, addr, dst%s);", | |
1749 | operand_size, operand_size); | |
1750 | operands++; | |
1751 | result_size = operand_size; | |
1752 | } | |
1753 | else | |
1754 | { | |
1755 | fatal_error (opcode, "Invalid operand"); | |
1756 | } | |
1757 | break; | |
1758 | ||
e0709f50 AC |
1759 | case 's': |
1760 | if (strncmp (operands, "p", 1) == 0) | |
1761 | { | |
1762 | print (fp, col, "cpu_set_sp (proc, dst16);"); | |
1763 | operands++; | |
1764 | result_size = "16"; | |
1765 | } | |
1766 | else | |
1767 | { | |
1768 | fatal_error (opcode, "Invalid operand"); | |
1769 | } | |
1770 | break; | |
1771 | ||
1772 | case 'c': | |
1773 | if (strncmp (operands, "cr", 2) == 0) | |
1774 | { | |
1775 | print (fp, col, "cpu_set_ccr (proc, dst8);"); | |
1776 | operands += 2; | |
1777 | result_size = "8"; | |
1778 | } | |
1779 | else | |
1780 | { | |
1781 | fatal_error (opcode, "Invalid operand"); | |
1782 | } | |
1783 | break; | |
1784 | ||
1785 | default: | |
1786 | fatal_error (opcode, "Invalid operand"); | |
1787 | break; | |
1788 | } | |
1789 | ||
1790 | if (*operands != 0) | |
1791 | fatal_error (opcode, "Garbage at end of operand"); | |
1792 | ||
1793 | if (result_size == 0) | |
1794 | fatal_error (opcode, "? No result seems to be saved"); | |
1795 | ||
1796 | if (strcmp (result_size, operand_size) != 0) | |
1797 | fatal_error (opcode, "Result saved different than pattern size"); | |
1798 | } | |
1799 | ||
1800 | ||
1801 | /* Find the instruction pattern for a given instruction. */ | |
1802 | const struct m6811_opcode_pattern* | |
1803 | find_opcode_pattern (const struct m6811_opcode_def *opcode) | |
1804 | { | |
1805 | int i; | |
1806 | const char *pattern = opcode->insn_pattern; | |
1807 | ||
1808 | if (pattern == 0) | |
1809 | { | |
1810 | pattern = opcode->name; | |
1811 | } | |
1812 | for (i = 0; i < TABLE_SIZE(m6811_opcode_patterns); i++) | |
1813 | { | |
1814 | if (strcmp (m6811_opcode_patterns[i].name, pattern) == 0) | |
1815 | { | |
1816 | return &m6811_opcode_patterns[i]; | |
1817 | } | |
1818 | } | |
1819 | fatal_error (opcode, "Unknown instruction pattern"); | |
1820 | return 0; | |
1821 | } | |
1822 | ||
e0709f50 AC |
1823 | /* Generate the code for interpretation of instruction 'opcode'. */ |
1824 | void | |
1825 | gen_interp (FILE *fp, int col, const struct m6811_opcode_def *opcode) | |
1826 | { | |
1827 | const char *operands = opcode->operands; | |
1828 | int addr_set; | |
1829 | const char *pattern = opcode->insn_pattern; | |
1830 | const struct m6811_opcode_pattern *op; | |
1831 | const char *operand_size; | |
1832 | ||
1833 | if (pattern == 0) | |
1834 | { | |
1835 | pattern = opcode->name; | |
1836 | } | |
1837 | ||
1838 | /* Find out the size of the operands: 8 or 16-bits. */ | |
1839 | if (strcmp(&pattern[strlen(pattern) - 1], "8") == 0) | |
1840 | { | |
1841 | operand_size = "8"; | |
1842 | } | |
1843 | else if (strcmp (&pattern[strlen(pattern) - 2], "16") == 0) | |
1844 | { | |
1845 | operand_size = "16"; | |
1846 | } | |
1847 | else | |
1848 | { | |
1849 | operand_size = ""; | |
1850 | } | |
1851 | ||
1852 | if (operands == 0) | |
1853 | operands = ""; | |
1854 | ||
1855 | /* Generate entry point for the instruction. */ | |
1856 | print (fp, col, "case 0x%02x: /* %s %s */\n", opcode->insn_code, | |
1857 | opcode->name, operands); | |
1858 | col += indent_level; | |
1859 | ||
1860 | /* Generate the code to get the instruction operands. */ | |
1861 | addr_set = gen_fetch_operands (fp, col, opcode, operand_size); | |
1862 | ||
1863 | /* Generate instruction interpretation. */ | |
1864 | op = find_opcode_pattern (opcode); | |
1865 | if (op->pattern) | |
1866 | { | |
1867 | print (fp, col, "%s;", op->pattern); | |
1868 | } | |
1869 | ||
1870 | /* Generate the code to save the result. */ | |
1871 | gen_save_result (fp, col, opcode, addr_set, operand_size); | |
1872 | ||
1873 | /* For some instructions, generate the code to update the flags. */ | |
1874 | if (op && op->ccr_update) | |
1875 | { | |
1876 | print (fp, col, "%s;", op->ccr_update); | |
1877 | } | |
1878 | print (fp, col, "break;"); | |
1879 | } | |
1880 | ||
1881 | ||
1882 | /* Generate the interpretor for a given 68HC11 page set. */ | |
1883 | void | |
1884 | gen_interpreter_for_table (FILE *fp, int col, | |
1885 | const struct m6811_opcode_def *table, | |
1886 | int size, | |
1887 | const char *cycles_table_name) | |
1888 | { | |
1889 | int i; | |
1890 | int init_size; | |
1891 | ||
81e09ed8 SC |
1892 | init_size = table == m6811_page1_opcodes |
1893 | || table == m6812_page1_opcodes? 1 : 2; | |
e0709f50 AC |
1894 | |
1895 | /* Get the opcode and dispatch directly. */ | |
1896 | print (fp, col, "op = cpu_fetch8 (proc);"); | |
1897 | print (fp, col, "cpu_add_cycles (proc, %s[op]);", cycles_table_name); | |
1898 | ||
1899 | print (fp, col, "switch (op)\n"); | |
1900 | col += indent_level; | |
1901 | print (fp, col, "{\n"); | |
1902 | ||
1903 | for (i = 0; i < size; i++) | |
1904 | { | |
1905 | /* The table contains duplicate entries (ie, instruction aliases). */ | |
1906 | if (i > 0 && table[i].insn_code == table[i - 1].insn_code) | |
1907 | continue; | |
1908 | ||
1909 | current_insn_size = init_size; | |
1910 | gen_interp (fp, col, &table[i]); | |
81e09ed8 | 1911 | #if 0 |
e0709f50 AC |
1912 | if (current_insn_size != table[i].insn_size) |
1913 | { | |
81e09ed8 SC |
1914 | fatal_error (&table[i], "Insn size %ld inconsistent with %ld", |
1915 | current_insn_size, table[i].insn_size); | |
e0709f50 | 1916 | } |
81e09ed8 | 1917 | #endif |
e0709f50 AC |
1918 | } |
1919 | ||
1920 | print (fp, col, "default:\n"); | |
1921 | print (fp, col + indent_level, "cpu_special (proc, M6811_ILLEGAL);"); | |
1922 | print (fp, col + indent_level, "break;"); | |
1923 | print (fp, col, "}\n"); | |
1924 | } | |
1925 | ||
1926 | /* Generate the table of instruction cycle. These tables are indexed | |
1927 | by the opcode number to allow a fast cycle time computation. */ | |
1928 | void | |
1929 | gen_cycle_table (FILE *fp, const char *name, | |
1930 | const struct m6811_opcode_def *table, | |
1931 | int size) | |
1932 | { | |
1933 | int i; | |
1934 | char cycles[256]; | |
1935 | int page1; | |
1936 | ||
1937 | page1 = table == m6811_page1_opcodes; | |
1938 | ||
1939 | /* Build the cycles table. The table is indexed by the opcode. */ | |
1940 | memset (cycles, 0, sizeof (cycles)); | |
1941 | while (--size >= 0) | |
1942 | { | |
1943 | if (table->insn_min_cycles > table->insn_max_cycles) | |
1944 | fatal_error (table, "Wrong insn cycles"); | |
1945 | ||
1946 | if (table->insn_max_cycles == _M) | |
1947 | cycles[table->insn_code] = table->insn_min_cycles; | |
1948 | else | |
1949 | cycles[table->insn_code] = table->insn_max_cycles; | |
1950 | ||
1951 | table++; | |
1952 | } | |
1953 | ||
1954 | /* Some check: for the page1 opcode, the cycle type of the page2/3/4 | |
1955 | opcode must be 0. */ | |
1956 | if (page1 && (cycles[M6811_OPCODE_PAGE2] != 0 | |
1957 | || cycles[M6811_OPCODE_PAGE3] != 0 | |
1958 | || cycles[M6811_OPCODE_PAGE4] != 0)) | |
1959 | fatal_error (0, "Invalid cycle table"); | |
1960 | ||
1961 | /* Generates the cycles table. */ | |
1962 | print (fp, 0, "static const unsigned char %s[256] = {\n", name); | |
1963 | for (i = 0; i < 256; i++) | |
1964 | { | |
1965 | if ((i % 16) == 0) | |
1966 | { | |
1967 | print (fp, indent_level, "/* %3d */ ", i); | |
1968 | } | |
1969 | fprintf (fp, "%2d", cycles[i]); | |
1970 | if (i != 255) | |
1971 | fprintf (fp, ","); | |
1972 | ||
1973 | if ((i % 16) != 15) | |
1974 | fprintf (fp, " "); | |
1975 | else | |
1976 | fprintf (fp, "\n"); | |
1977 | } | |
1978 | print (fp, 0, "};\n\n"); | |
1979 | } | |
1980 | ||
63f36def SC |
1981 | #define USE_SRC8 1 |
1982 | #define USE_DST8 2 | |
1983 | ||
e0709f50 | 1984 | void |
63f36def | 1985 | gen_function_entry (FILE *fp, const char *name, int locals) |
e0709f50 AC |
1986 | { |
1987 | /* Generate interpretor entry point. */ | |
1988 | print (fp, 0, "%s (proc)\n", name); | |
1989 | print (fp, indent_level, "struct _sim_cpu* proc;"); | |
1990 | print (fp, indent_level, "{\n"); | |
1991 | ||
1992 | /* Interpretor local variables. */ | |
1993 | print (fp, indent_level, "unsigned char op;"); | |
1994 | print (fp, indent_level, "uint16 addr, src16, dst16;"); | |
63f36def SC |
1995 | if (locals & USE_SRC8) |
1996 | print (fp, indent_level, "uint8 src8;\n"); | |
1997 | if (locals & USE_DST8) | |
1998 | print (fp, indent_level, "uint8 dst8;\n"); | |
e0709f50 AC |
1999 | } |
2000 | ||
2001 | void | |
2002 | gen_function_close (FILE *fp) | |
2003 | { | |
2004 | print (fp, 0, "}\n"); | |
2005 | } | |
2006 | ||
81e09ed8 SC |
2007 | int |
2008 | cmp_opcode (void* e1, void* e2) | |
2009 | { | |
2010 | struct m6811_opcode_def* op1 = (struct m6811_opcode_def*) e1; | |
2011 | struct m6811_opcode_def* op2 = (struct m6811_opcode_def*) e2; | |
2012 | ||
2013 | return (int) (op1->insn_code) - (int) (op2->insn_code); | |
2014 | } | |
2015 | ||
2016 | void | |
2017 | prepare_table (struct m6811_opcode_def* table, int size) | |
2018 | { | |
2019 | int i; | |
2020 | ||
2021 | qsort (table, size, sizeof (table[0]), cmp_opcode); | |
2022 | for (i = 1; i < size; i++) | |
2023 | { | |
2024 | if (table[i].insn_code == table[i-1].insn_code) | |
2025 | { | |
2026 | fprintf (stderr, "Two insns with code 0x%02x\n", | |
2027 | table[i].insn_code); | |
2028 | } | |
2029 | } | |
2030 | } | |
2031 | ||
e0709f50 AC |
2032 | void |
2033 | gen_interpreter (FILE *fp) | |
2034 | { | |
2035 | int col = 0; | |
2036 | ||
81e09ed8 SC |
2037 | prepare_table (m6811_page1_opcodes, TABLE_SIZE (m6811_page1_opcodes)); |
2038 | prepare_table (m6811_page2_opcodes, TABLE_SIZE (m6811_page2_opcodes)); | |
2039 | prepare_table (m6811_page3_opcodes, TABLE_SIZE (m6811_page3_opcodes)); | |
2040 | prepare_table (m6811_page4_opcodes, TABLE_SIZE (m6811_page4_opcodes)); | |
2041 | ||
2042 | prepare_table (m6812_page1_opcodes, TABLE_SIZE (m6812_page1_opcodes)); | |
2043 | prepare_table (m6812_page2_opcodes, TABLE_SIZE (m6812_page2_opcodes)); | |
2044 | ||
e0709f50 AC |
2045 | /* Generate header of interpretor. */ |
2046 | print (fp, col, "/* File generated automatically by gencode. */\n"); | |
2047 | print (fp, col, "#include \"sim-main.h\"\n\n"); | |
2048 | ||
81e09ed8 SC |
2049 | if (cpu_type & cpu6811) |
2050 | { | |
2051 | gen_cycle_table (fp, "cycles_page1", m6811_page1_opcodes, | |
2052 | TABLE_SIZE (m6811_page1_opcodes)); | |
2053 | gen_cycle_table (fp, "cycles_page2", m6811_page2_opcodes, | |
2054 | TABLE_SIZE (m6811_page2_opcodes)); | |
2055 | gen_cycle_table (fp, "cycles_page3", m6811_page3_opcodes, | |
2056 | TABLE_SIZE (m6811_page3_opcodes)); | |
2057 | gen_cycle_table (fp, "cycles_page4", m6811_page4_opcodes, | |
2058 | TABLE_SIZE (m6811_page4_opcodes)); | |
2059 | ||
63f36def | 2060 | gen_function_entry (fp, "static void\ncpu_page3_interp", 0); |
81e09ed8 SC |
2061 | gen_interpreter_for_table (fp, indent_level, |
2062 | m6811_page3_opcodes, | |
2063 | TABLE_SIZE(m6811_page3_opcodes), | |
2064 | "cycles_page3"); | |
2065 | gen_function_close (fp); | |
e0709f50 | 2066 | |
63f36def | 2067 | gen_function_entry (fp, "static void\ncpu_page4_interp", 0); |
81e09ed8 SC |
2068 | gen_interpreter_for_table (fp, indent_level, |
2069 | m6811_page4_opcodes, | |
2070 | TABLE_SIZE(m6811_page4_opcodes), | |
2071 | "cycles_page4"); | |
2072 | gen_function_close (fp); | |
2073 | ||
2074 | /* Generate the page 2, 3 and 4 handlers. */ | |
63f36def SC |
2075 | gen_function_entry (fp, "static void\ncpu_page2_interp", |
2076 | USE_SRC8 | USE_DST8); | |
81e09ed8 SC |
2077 | gen_interpreter_for_table (fp, indent_level, |
2078 | m6811_page2_opcodes, | |
2079 | TABLE_SIZE(m6811_page2_opcodes), | |
2080 | "cycles_page2"); | |
2081 | gen_function_close (fp); | |
2082 | ||
2083 | /* Generate the interpretor entry point. */ | |
63f36def SC |
2084 | gen_function_entry (fp, "void\ncpu_interp_m6811", |
2085 | USE_SRC8 | USE_DST8); | |
81e09ed8 SC |
2086 | |
2087 | gen_interpreter_for_table (fp, indent_level, m6811_page1_opcodes, | |
2088 | TABLE_SIZE(m6811_page1_opcodes), | |
2089 | "cycles_page1"); | |
2090 | gen_function_close (fp); | |
2091 | } | |
2092 | else | |
2093 | { | |
2094 | gen_cycle_table (fp, "cycles_page1", m6812_page1_opcodes, | |
2095 | TABLE_SIZE (m6812_page1_opcodes)); | |
2096 | gen_cycle_table (fp, "cycles_page2", m6812_page2_opcodes, | |
2097 | TABLE_SIZE (m6812_page2_opcodes)); | |
2098 | ||
63f36def SC |
2099 | gen_function_entry (fp, "static void\ncpu_page2_interp", |
2100 | USE_SRC8 | USE_DST8); | |
81e09ed8 SC |
2101 | gen_interpreter_for_table (fp, indent_level, |
2102 | m6812_page2_opcodes, | |
2103 | TABLE_SIZE(m6812_page2_opcodes), | |
2104 | "cycles_page2"); | |
2105 | gen_function_close (fp); | |
2106 | ||
2107 | /* Generate the interpretor entry point. */ | |
63f36def SC |
2108 | gen_function_entry (fp, "void\ncpu_interp_m6812", |
2109 | USE_SRC8 | USE_DST8); | |
81e09ed8 SC |
2110 | |
2111 | gen_interpreter_for_table (fp, indent_level, m6812_page1_opcodes, | |
2112 | TABLE_SIZE(m6812_page1_opcodes), | |
2113 | "cycles_page1"); | |
2114 | gen_function_close (fp); | |
2115 | } | |
2116 | } | |
2117 | ||
2118 | void | |
2119 | usage (char* prog) | |
2120 | { | |
2121 | fprintf (stderr, "Usage: %s {-m6811|-m6812}\n", prog); | |
2122 | exit (2); | |
e0709f50 AC |
2123 | } |
2124 | ||
2125 | int | |
2126 | main (int argc, char *argv[]) | |
2127 | { | |
81e09ed8 SC |
2128 | int i; |
2129 | ||
2130 | for (i = 1; i < argc; i++) | |
2131 | { | |
2132 | if (strcmp (argv[i], "-m6811") == 0) | |
2133 | cpu_type = cpu6811; | |
2134 | else if (strcmp (argv[i], "-m6812") == 0) | |
2135 | cpu_type = cpu6812; | |
2136 | else | |
2137 | { | |
2138 | usage (argv[0]); | |
2139 | } | |
2140 | } | |
2141 | if (cpu_type == 0) | |
2142 | usage (argv[0]); | |
2143 | ||
e0709f50 AC |
2144 | gen_interpreter (stdout); |
2145 | if (fclose (stdout) != 0) | |
2146 | { | |
2147 | fprintf (stderr, "Error while generating the interpreter: %d\n", | |
2148 | errno); | |
2149 | return 1; | |
2150 | } | |
2151 | return 0; | |
2152 | } |