1/*****************************************************************************/
2/* */
3/* opcm740.c */
4/* */
5/* Mitsubishi 740 series opcode description table */
6/* */
7/* A contribution from Chris Baird */
8/* EMail: cjb@brushtail.apana.org.au */
9/* */
10/* (C) 2003-2011, Ullrich von Bassewitz */
11/* Roemerstrasse 52 */
12/* D-70794 Filderstadt */
13/* EMail: uz@cc65.org */
14/* */
15/* */
16/* This software is provided 'as-is', without any expressed or implied */
17/* warranty. In no event will the authors be held liable for any damages */
18/* arising from the use of this software. */
19/* */
20/* Permission is granted to anyone to use this software for any purpose, */
21/* including commercial applications, and to alter it and redistribute it */
22/* freely, subject to the following restrictions: */
23/* */
24/* 1. The origin of this software must not be misrepresented; you must not */
25/* claim that you wrote the original software. If you use this software */
26/* in a product, an acknowledgment in the product documentation would be */
27/* appreciated but is not required. */
28/* 2. Altered source versions must be plainly marked as such, and must not */
29/* be misrepresented as being the original software. */
30/* 3. This notice may not be removed or altered from any source */
31/* distribution. */
32/* */
33/*****************************************************************************/
34
35
36
37/* da65 */
38#include "handler.h"
39#include "opcm740.h"
40
41
42
43/*****************************************************************************/
44/* Data */
45/*****************************************************************************/
46
47
48
49/* Descriptions for all opcodes */
50const OpcDesc OpcTable_M740[256] = {
51 { "brk", 1, flNone, OH_Implicit }, /* $00 */
52 { "ora", 2, flUseLabel, OH_DirectXIndirect }, /* $01 */
53 { "jsr", 2, flLabel, OH_JmpDirectIndirect }, /* $02 */
54 { "bbs", 2, flUseLabel, OH_AccumulatorBitBranch }, /* $03 */
55 { "", 1, flIllegal, OH_Illegal }, /* $04 */
56 { "ora", 2, flUseLabel, OH_Direct }, /* $05 */
57 { "asl", 2, flUseLabel, OH_Direct }, /* $06 */
58 { "bbs", 3, flUseLabel, OH_ZeroPageBit }, /* $07 */
59 { "php", 1, flNone, OH_Implicit }, /* $08 */
60 { "ora", 2, flNone, OH_Immediate }, /* $09 */
61 { "asl", 1, flNone, OH_Accumulator }, /* $0a */
62 { "seb", 1, flNone, OH_AccumulatorBit }, /* $0b */
63 { "", 1, flIllegal, OH_Illegal, }, /* $0c */
64 { "ora", 3, flUseLabel|flAbsOverride, OH_Absolute }, /* $0d */
65 { "asl", 3, flUseLabel|flAbsOverride, OH_Absolute }, /* $0e */
66 { "seb", 2, flUseLabel, OH_ZeroPageBit }, /* $0f */
67 { "bpl", 2, flLabel, OH_Relative }, /* $10 */
68 { "ora", 2, flUseLabel, OH_DirectIndirectY }, /* $11 */
69 { "clt", 1, flNone, OH_Implicit }, /* $12 */
70 { "bbc", 2, flUseLabel, OH_AccumulatorBitBranch }, /* $13 */
71 { "", 1, flIllegal, OH_Illegal }, /* $14 */
72 { "ora", 2, flUseLabel, OH_DirectX }, /* $15 */
73 { "asl", 2, flUseLabel, OH_DirectX }, /* $16 */
74 { "bbc", 3, flUseLabel, OH_ZeroPageBit }, /* $17 */
75 { "clc", 1, flNone, OH_Implicit }, /* $18 */
76 { "ora", 3, flUseLabel, OH_AbsoluteY }, /* $19 */
77 { "dec", 1, flNone, OH_Accumulator }, /* $1a */
78 { "clb", 1, flNone, OH_AccumulatorBit }, /* $1b */
79 { "", 1, flIllegal, OH_Illegal }, /* $1c */
80 { "ora", 3, flUseLabel|flAbsOverride, OH_AbsoluteX }, /* $1d */
81 { "asl", 3, flUseLabel|flAbsOverride, OH_AbsoluteX }, /* $1e */
82 { "clb", 2, flUseLabel, OH_ZeroPageBit }, /* $1f */
83 { "jsr", 3, flLabel, OH_Absolute }, /* $20 */
84 { "and", 2, flUseLabel, OH_DirectXIndirect }, /* $21 */
85 { "jsr", 2, flLabel, OH_SpecialPage }, /* $22 */
86 { "bbs", 2, flUseLabel, OH_AccumulatorBitBranch }, /* $23 */
87 { "bit", 2, flUseLabel, OH_Direct }, /* $24 */
88 { "and", 2, flUseLabel, OH_Direct }, /* $25 */
89 { "rol", 2, flUseLabel, OH_Direct }, /* $26 */
90 { "bbs", 3, flUseLabel, OH_ZeroPageBit }, /* $27 */
91 { "plp", 1, flNone, OH_Implicit }, /* $28 */
92 { "and", 2, flNone, OH_Immediate }, /* $29 */
93 { "rol", 1, flNone, OH_Accumulator }, /* $2a */
94 { "seb", 1, flNone, OH_AccumulatorBit }, /* $2b */
95 { "bit", 3, flUseLabel|flAbsOverride, OH_Absolute }, /* $2c */
96 { "and", 3, flUseLabel|flAbsOverride, OH_Absolute }, /* $2d */
97 { "rol", 3, flUseLabel|flAbsOverride, OH_Absolute }, /* $2e */
98 { "seb", 2, flUseLabel, OH_ZeroPageBit }, /* $2f */
99 { "bmi", 2, flLabel, OH_Relative }, /* $30 */
100 { "and", 2, flUseLabel, OH_DirectIndirectY }, /* $31 */
101 { "set", 1, flNone, OH_Implicit }, /* $32 */
102 { "bbc", 2, flUseLabel, OH_AccumulatorBitBranch }, /* $33 */
103 { "", 1, flIllegal, OH_Illegal }, /* $34 */
104 { "and", 2, flUseLabel, OH_DirectX }, /* $35 */
105 { "rol", 2, flUseLabel, OH_DirectX }, /* $36 */
106 { "bbc", 3, flUseLabel, OH_ZeroPageBit }, /* $37 */
107 { "sec", 1, flNone, OH_Implicit }, /* $38 */
108 { "and", 3, flUseLabel, OH_AbsoluteY }, /* $39 */
109 { "inc", 1, flNone, OH_Accumulator }, /* $3a */
110 { "clb", 1, flNone, OH_AccumulatorBit }, /* $3b */
111 { "ldm", 3, flLabel, OH_DirectImmediate }, /* $3c */
112 { "and", 3, flUseLabel|flAbsOverride, OH_AbsoluteX }, /* $3d */
113 { "rol", 3, flUseLabel|flAbsOverride, OH_AbsoluteX }, /* $3e */
114 { "clb", 2, flUseLabel, OH_ZeroPageBit }, /* $3f */
115 { "rti", 1, flNone, OH_Rts }, /* $40 */
116 { "eor", 2, flUseLabel, OH_DirectXIndirect }, /* $41 */
117 { "stp", 1, flNone, OH_Implicit }, /* $42 */
118 { "bbs", 2, flUseLabel, OH_AccumulatorBitBranch }, /* $43 */
119 { "com", 2, flUseLabel, OH_Direct }, /* $44 */
120 { "eor", 2, flUseLabel, OH_Direct }, /* $45 */
121 { "lsr", 2, flUseLabel, OH_Direct }, /* $46 */
122 { "bbs", 3, flUseLabel, OH_ZeroPageBit }, /* $47 */
123 { "pha", 1, flNone, OH_Implicit }, /* $48 */
124 { "eor", 2, flNone, OH_Immediate }, /* $49 */
125 { "lsr", 1, flNone, OH_Accumulator }, /* $4a */
126 { "seb", 1, flNone, OH_AccumulatorBit }, /* $4b */
127 { "jmp", 3, flLabel, OH_JmpAbsolute }, /* $4c */
128 { "eor", 3, flUseLabel|flAbsOverride, OH_Absolute }, /* $4d */
129 { "lsr", 3, flUseLabel|flAbsOverride, OH_Absolute }, /* $4e */
130 { "seb", 2, flUseLabel, OH_ZeroPageBit }, /* $4f */
131 { "bvc", 2, flLabel, OH_Relative }, /* $50 */
132 { "eor", 2, flUseLabel, OH_DirectIndirectY }, /* $51 */
133 { "", 1, flIllegal, OH_Illegal }, /* $52 */
134 { "bbc", 2, flUseLabel, OH_AccumulatorBitBranch }, /* $53 */
135 { "", 1, flIllegal, OH_Illegal }, /* $54 */
136 { "eor", 2, flUseLabel, OH_DirectX }, /* $55 */
137 { "lsr", 2, flUseLabel, OH_DirectX }, /* $56 */
138 { "bbc", 3, flUseLabel, OH_ZeroPageBit }, /* $57 */
139 { "cli", 1, flNone, OH_Implicit }, /* $58 */
140 { "eor", 3, flUseLabel, OH_AbsoluteY }, /* $59 */
141 { "", 1, flIllegal, OH_Illegal }, /* $5a */
142 { "clb", 1, flNone, OH_AccumulatorBit }, /* $5b */
143 { "", 1, flIllegal, OH_Illegal }, /* $5c */
144 { "eor", 3, flUseLabel|flAbsOverride, OH_AbsoluteX }, /* $5d */
145 { "lsr", 3, flUseLabel|flAbsOverride, OH_AbsoluteX }, /* $5e */
146 { "clb", 2, flUseLabel, OH_ZeroPageBit }, /* $5f */
147 { "rts", 1, flNone, OH_Rts }, /* $60 */
148 { "adc", 2, flUseLabel, OH_DirectXIndirect }, /* $61 */
149 { "mul", 2, flUseLabel, OH_DirectX }, /* $62 */
150 { "bbs", 2, flUseLabel, OH_AccumulatorBitBranch }, /* $63 */
151 { "tst", 2, flUseLabel, OH_Direct }, /* $64 */
152 { "adc", 2, flUseLabel, OH_Direct }, /* $65 */
153 { "ror", 2, flUseLabel, OH_Direct }, /* $66 */
154 { "bbs", 3, flUseLabel, OH_ZeroPageBit }, /* $67 */
155 { "pla", 1, flNone, OH_Implicit }, /* $68 */
156 { "adc", 2, flNone, OH_Immediate }, /* $69 */
157 { "ror", 1, flNone, OH_Accumulator }, /* $6a */
158 { "seb", 1, flNone, OH_AccumulatorBit }, /* $6b */
159 { "jmp", 3, flLabel, OH_JmpAbsoluteIndirect }, /* $6c */
160 { "adc", 3, flUseLabel|flAbsOverride, OH_Absolute }, /* $6d */
161 { "ror", 3, flUseLabel|flAbsOverride, OH_Absolute }, /* $6e */
162 { "seb", 2, flUseLabel, OH_ZeroPageBit }, /* $6f */
163 { "bvs", 2, flLabel, OH_Relative }, /* $70 */
164 { "adc", 2, flUseLabel, OH_DirectIndirectY }, /* $71 */
165 { "", 1, flIllegal, OH_Illegal }, /* $72 */
166 { "bbc", 2, flUseLabel, OH_AccumulatorBitBranch }, /* $73 */
167 { "", 1, flIllegal, OH_Illegal }, /* $74 */
168 { "adc", 2, flUseLabel, OH_DirectX }, /* $75 */
169 { "ror", 2, flUseLabel, OH_DirectX }, /* $76 */
170 { "bbc", 3, flUseLabel, OH_ZeroPageBit }, /* $77 */
171 { "sei", 1, flNone, OH_Implicit }, /* $78 */
172 { "adc", 3, flUseLabel, OH_AbsoluteY }, /* $79 */
173 { "", 1, flIllegal, OH_Illegal }, /* $7a */
174 { "clb", 1, flNone, OH_AccumulatorBit }, /* $7b */
175 { "", 1, flIllegal, OH_Illegal }, /* $7c */
176 { "adc", 3, flUseLabel|flAbsOverride, OH_AbsoluteX }, /* $7d */
177 { "ror", 3, flUseLabel|flAbsOverride, OH_AbsoluteX }, /* $7e */
178 { "clb", 2, flUseLabel, OH_ZeroPageBit }, /* $7f */
179 { "bra", 2, flLabel, OH_Relative }, /* $80 */
180 { "sta", 2, flUseLabel, OH_DirectXIndirect }, /* $81 */
181 { "rrf", 2, flLabel, OH_Direct }, /* $82 */
182 { "bbs", 2, flUseLabel, OH_AccumulatorBitBranch }, /* $83 */
183 { "sty", 2, flUseLabel, OH_Direct }, /* $84 */
184 { "sta", 2, flUseLabel, OH_Direct }, /* $85 */
185 { "stx", 2, flUseLabel, OH_Direct }, /* $86 */
186 { "bbs", 3, flUseLabel, OH_ZeroPageBit }, /* $87 */
187 { "dey", 1, flNone, OH_Implicit }, /* $88 */
188 { "", 1, flIllegal, OH_Illegal }, /* $89 */
189 { "txa", 1, flNone, OH_Implicit }, /* $8a */
190 { "seb", 1, flNone, OH_AccumulatorBit }, /* $8b */
191 { "sty", 3, flUseLabel|flAbsOverride, OH_Absolute }, /* $8c */
192 { "sta", 3, flUseLabel|flAbsOverride, OH_Absolute }, /* $8d */
193 { "stx", 3, flUseLabel|flAbsOverride, OH_Absolute }, /* $8e */
194 { "seb", 2, flUseLabel, OH_ZeroPageBit }, /* $8f */
195 { "bcc", 2, flLabel, OH_Relative }, /* $90 */
196 { "sta", 2, flUseLabel, OH_DirectIndirectY }, /* $91 */
197 { "", 1, flIllegal, OH_Illegal }, /* $92 */
198 { "bbc", 2, flUseLabel, OH_AccumulatorBitBranch }, /* $93 */
199 { "sty", 2, flUseLabel, OH_DirectX }, /* $94 */
200 { "sta", 2, flUseLabel, OH_DirectX }, /* $95 */
201 { "stx", 2, flUseLabel, OH_DirectY }, /* $96 */
202 { "bbc", 3, flUseLabel, OH_ZeroPageBit }, /* $97 */
203 { "tya", 1, flNone, OH_Implicit }, /* $98 */
204 { "sta", 3, flUseLabel, OH_AbsoluteY }, /* $99 */
205 { "txs", 1, flNone, OH_Implicit }, /* $9a */
206 { "clb", 1, flNone, OH_AccumulatorBit }, /* $9b */
207 { "", 1, flIllegal, OH_Illegal }, /* $9c */
208 { "sta", 3, flUseLabel|flAbsOverride, OH_AbsoluteX }, /* $9d */
209 { "", 1, flIllegal, OH_Illegal }, /* $9e */
210 { "clb", 2, flUseLabel, OH_ZeroPageBit }, /* $9f */
211 { "ldy", 2, flNone, OH_Immediate }, /* $a0 */
212 { "lda", 2, flUseLabel, OH_DirectXIndirect }, /* $a1 */
213 { "ldx", 2, flNone, OH_Immediate }, /* $a2 */
214 { "bbs", 2, flUseLabel, OH_AccumulatorBitBranch }, /* $a3 */
215 { "ldy", 2, flUseLabel, OH_Direct }, /* $a4 */
216 { "lda", 2, flUseLabel, OH_Direct }, /* $a5 */
217 { "ldx", 2, flUseLabel, OH_Direct }, /* $a6 */
218 { "bbs", 3, flUseLabel, OH_ZeroPageBit }, /* $a7 */
219 { "tay", 1, flNone, OH_Implicit }, /* $a8 */
220 { "lda", 2, flNone, OH_Immediate }, /* $a9 */
221 { "tax", 1, flNone, OH_Implicit }, /* $aa */
222 { "seb", 1, flNone, OH_AccumulatorBit }, /* $ab */
223 { "ldy", 3, flUseLabel|flAbsOverride, OH_Absolute }, /* $ac */
224 { "lda", 3, flUseLabel|flAbsOverride, OH_Absolute }, /* $ad */
225 { "ldx", 3, flUseLabel|flAbsOverride, OH_Absolute }, /* $ae */
226 { "seb", 2, flUseLabel, OH_ZeroPageBit }, /* $af */
227 { "bcs", 2, flLabel, OH_Relative }, /* $b0 */
228 { "lda", 2, flUseLabel, OH_DirectIndirectY }, /* $b1 */
229 { "jmp", 2, flLabel, OH_JmpDirectIndirect }, /* $b2 */
230 { "bbc", 2, flUseLabel, OH_AccumulatorBitBranch }, /* $b3 */
231 { "ldy", 2, flUseLabel, OH_DirectX }, /* $b4 */
232 { "lda", 2, flUseLabel, OH_DirectX }, /* $b5 */
233 { "ldx", 2, flUseLabel, OH_DirectY }, /* $b6 */
234 { "bbc", 3, flUseLabel, OH_ZeroPageBit }, /* $b7 */
235 { "clv", 1, flNone, OH_Implicit }, /* $b8 */
236 { "lda", 3, flUseLabel, OH_AbsoluteY }, /* $b9 */
237 { "tsx", 1, flNone, OH_Implicit }, /* $ba */
238 { "clb", 1, flNone, OH_AccumulatorBit }, /* $bb */
239 { "ldy", 3, flUseLabel|flAbsOverride, OH_AbsoluteX }, /* $bc */
240 { "lda", 3, flUseLabel|flAbsOverride, OH_AbsoluteX }, /* $bd */
241 { "ldx", 3, flUseLabel|flAbsOverride, OH_AbsoluteY }, /* $be */
242 { "clb", 2, flUseLabel, OH_ZeroPageBit }, /* $bf */
243 { "cpy", 2, flNone, OH_Immediate }, /* $c0 */
244 { "cmp", 2, flUseLabel, OH_DirectXIndirect }, /* $c1 */
245 { "wit", 1, flNone, OH_Implicit, }, /* $c2 */
246 { "bbs", 2, flUseLabel, OH_AccumulatorBitBranch }, /* $c3 */
247 { "cpy", 2, flUseLabel, OH_Direct }, /* $c4 */
248 { "cmp", 2, flUseLabel, OH_Direct }, /* $c5 */
249 { "dec", 2, flUseLabel, OH_Direct }, /* $c6 */
250 { "bbs", 3, flUseLabel, OH_ZeroPageBit }, /* $c7 */
251 { "iny", 1, flNone, OH_Implicit }, /* $c8 */
252 { "cmp", 2, flNone, OH_Immediate }, /* $c9 */
253 { "dex", 1, flNone, OH_Implicit }, /* $ca */
254 { "seb", 1, flNone, OH_AccumulatorBit }, /* $cb */
255 { "cpy", 3, flUseLabel|flAbsOverride, OH_Absolute }, /* $cc */
256 { "cmp", 3, flUseLabel|flAbsOverride, OH_Absolute }, /* $cd */
257 { "dec", 3, flUseLabel|flAbsOverride, OH_Absolute }, /* $ce */
258 { "seb", 2, flUseLabel, OH_ZeroPageBit }, /* $cf */
259 { "bne", 2, flLabel, OH_Relative }, /* $d0 */
260 { "cmp", 2, flUseLabel, OH_DirectIndirectY }, /* $d1 */
261 { "", 1, flIllegal, OH_Illegal }, /* $d2 */
262 { "bbc", 2, flUseLabel, OH_AccumulatorBitBranch }, /* $d3 */
263 { "", 1, flIllegal, OH_Illegal }, /* $d4 */
264 { "cmp", 2, flUseLabel, OH_DirectX }, /* $d5 */
265 { "dec", 2, flUseLabel, OH_DirectX }, /* $d6 */
266 { "bbc", 3, flUseLabel, OH_ZeroPageBit }, /* $d7 */
267 { "cld", 1, flNone, OH_Implicit }, /* $d8 */
268 { "cmp", 3, flUseLabel, OH_AbsoluteY }, /* $d9 */
269 { "", 1, flIllegal, OH_Illegal }, /* $da */
270 { "clb", 1, flNone, OH_AccumulatorBit }, /* $db */
271 { "", 1, flIllegal, OH_Illegal }, /* $dc */
272 { "cmp", 3, flUseLabel|flAbsOverride, OH_AbsoluteX }, /* $dd */
273 { "dec", 3, flUseLabel|flAbsOverride, OH_AbsoluteX }, /* $de */
274 { "clb", 2, flUseLabel, OH_ZeroPageBit }, /* $df */
275 { "cpx", 2, flNone, OH_Immediate }, /* $e0 */
276 { "sbc", 2, flUseLabel, OH_DirectXIndirect }, /* $e1 */
277 { "div", 2, flUseLabel, OH_DirectX }, /* $e2 */
278 { "bbs", 2, flUseLabel, OH_AccumulatorBitBranch }, /* $e3 */
279 { "cpx", 2, flUseLabel, OH_Direct }, /* $e4 */
280 { "sbc", 2, flUseLabel, OH_Direct }, /* $e5 */
281 { "inc", 2, flUseLabel, OH_Direct }, /* $e6 */
282 { "bbs", 3, flUseLabel, OH_ZeroPageBit }, /* $e7 */
283 { "inx", 1, flNone, OH_Implicit }, /* $e8 */
284 { "sbc", 2, flNone, OH_Immediate }, /* $e9 */
285 { "nop", 1, flNone, OH_Implicit }, /* $ea */
286 { "seb", 1, flNone, OH_AccumulatorBit }, /* $eb */
287 { "cpx", 3, flUseLabel|flAbsOverride, OH_Absolute }, /* $ec */
288 { "sbc", 3, flUseLabel|flAbsOverride, OH_Absolute }, /* $ed */
289 { "inc", 3, flUseLabel|flAbsOverride, OH_Absolute }, /* $ee */
290 { "seb", 2, flUseLabel, OH_ZeroPageBit }, /* $ef */
291 { "beq", 2, flLabel, OH_Relative }, /* $f0 */
292 { "sbc", 2, flUseLabel, OH_DirectIndirectY }, /* $f1 */
293 { "", 1, flIllegal, OH_Illegal }, /* $f2 */
294 { "bbc", 2, flUseLabel, OH_AccumulatorBitBranch }, /* $f3 */
295 { "", 1, flIllegal, OH_Illegal }, /* $f4 */
296 { "sbc", 2, flUseLabel, OH_DirectX }, /* $f5 */
297 { "inc", 2, flUseLabel, OH_DirectX }, /* $f6 */
298 { "bbc", 3, flUseLabel, OH_ZeroPageBit }, /* $f7 */
299 { "sed", 1, flNone, OH_Implicit }, /* $f8 */
300 { "sbc", 3, flUseLabel, OH_AbsoluteY }, /* $f9 */
301 { "", 1, flIllegal, OH_Illegal }, /* $fa */
302 { "clb", 1, flNone, OH_AccumulatorBit }, /* $fb */
303 { "", 1, flIllegal, OH_Illegal }, /* $fc */
304 { "sbc", 3, flUseLabel|flAbsOverride, OH_AbsoluteX }, /* $fd */
305 { "inc", 3, flUseLabel|flAbsOverride, OH_AbsoluteX }, /* $fe */
306 { "clb", 2, flUseLabel, OH_ZeroPageBit }, /* $ff */
307};
308