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c7927a3c NC |
1 | /* -*- c -*- */ |
2 | #include <stdio.h> | |
3 | #include <stdlib.h> | |
4 | #include <string.h> | |
5 | ||
6 | #include "config.h" | |
7 | #include "ansidecl.h" | |
8 | #include "opcode/rx.h" | |
9 | ||
10 | #define RX_OPCODE_BIG_ENDIAN 0 | |
11 | ||
12 | typedef struct | |
13 | { | |
14 | RX_Opcode_Decoded * rx; | |
15 | int (* getbyte)(void *); | |
16 | void * ptr; | |
17 | unsigned char * op; | |
18 | } LocalData; | |
19 | ||
20 | static int trace = 0; | |
21 | ||
22 | #define BSIZE 0 | |
23 | #define WSIZE 1 | |
24 | #define LSIZE 2 | |
25 | ||
26 | /* These are for when the upper bits are "don't care" or "undefined". */ | |
27 | static int bwl[] = | |
28 | { | |
29 | RX_Byte, | |
30 | RX_Word, | |
31 | RX_Long | |
32 | }; | |
33 | ||
34 | static int sbwl[] = | |
35 | { | |
36 | RX_SByte, | |
37 | RX_SWord, | |
38 | RX_Long | |
39 | }; | |
40 | ||
41 | static int ubwl[] = | |
42 | { | |
43 | RX_UByte, | |
44 | RX_UWord, | |
45 | RX_Long | |
46 | }; | |
47 | ||
48 | static int memex[] = | |
49 | { | |
50 | RX_SByte, | |
51 | RX_SWord, | |
52 | RX_Long, | |
53 | RX_UWord | |
54 | }; | |
55 | ||
56 | #define ID(x) rx->id = RXO_##x | |
57 | #define OP(n,t,r,a) (rx->op[n].type = t, \ | |
58 | rx->op[n].reg = r, \ | |
59 | rx->op[n].addend = a ) | |
60 | #define OPs(n,t,r,a,s) (OP (n,t,r,a), \ | |
61 | rx->op[n].size = s ) | |
62 | ||
63 | /* This is for the BWL and BW bitfields. */ | |
64 | static int SCALE[] = { 1, 2, 4 }; | |
65 | /* This is for the prefix size enum. */ | |
66 | static int PSCALE[] = { 4, 1, 1, 1, 2, 2, 2, 3, 4 }; | |
67 | ||
68 | static int flagmap[] = {0, 1, 2, 3, 0, 0, 0, 0, | |
69 | 16, 17, 0, 0, 0, 0, 0, 0 }; | |
70 | ||
71 | static int dsp3map[] = { 8, 9, 10, 3, 4, 5, 6, 7 }; | |
72 | ||
73 | /* | |
74 | *C a constant (immediate) c | |
75 | *R A register | |
76 | *I Register indirect, no offset | |
77 | *Is Register indirect, with offset | |
78 | *D standard displacement: type (r,[r],dsp8,dsp16 code), register, BWL code | |
79 | *P standard displacement: type (r,[r]), reg, assumes UByte | |
80 | *Pm memex displacement: type (r,[r]), reg, memex code | |
81 | *cc condition code. */ | |
82 | ||
83 | #define DC(c) OP (0, RX_Operand_Immediate, 0, c) | |
84 | #define DR(r) OP (0, RX_Operand_Register, r, 0) | |
85 | #define DI(r,a) OP (0, RX_Operand_Indirect, r, a) | |
86 | #define DIs(r,a,s) OP (0, RX_Operand_Indirect, r, (a) * SCALE[s]) | |
87 | #define DD(t,r,s) rx_disp (0, t, r, bwl[s], ld); | |
88 | #define DF(r) OP (0, RX_Operand_Flag, flagmap[r], 0) | |
89 | ||
90 | #define SC(i) OP (1, RX_Operand_Immediate, 0, i) | |
91 | #define SR(r) OP (1, RX_Operand_Register, r, 0) | |
f9c7014e | 92 | #define SRR(r) OP (1, RX_Operand_TwoReg, r, 0) |
c7927a3c NC |
93 | #define SI(r,a) OP (1, RX_Operand_Indirect, r, a) |
94 | #define SIs(r,a,s) OP (1, RX_Operand_Indirect, r, (a) * SCALE[s]) | |
95 | #define SD(t,r,s) rx_disp (1, t, r, bwl[s], ld); | |
96 | #define SP(t,r) rx_disp (1, t, r, (t!=3) ? RX_UByte : RX_Long, ld); P(t, 1); | |
97 | #define SPm(t,r,m) rx_disp (1, t, r, memex[m], ld); rx->op[1].size = memex[m]; | |
98 | #define Scc(cc) OP (1, RX_Operand_Condition, cc, 0) | |
99 | ||
100 | #define S2C(i) OP (2, RX_Operand_Immediate, 0, i) | |
101 | #define S2R(r) OP (2, RX_Operand_Register, r, 0) | |
102 | #define S2I(r,a) OP (2, RX_Operand_Indirect, r, a) | |
103 | #define S2Is(r,a,s) OP (2, RX_Operand_Indirect, r, (a) * SCALE[s]) | |
104 | #define S2D(t,r,s) rx_disp (2, t, r, bwl[s], ld); | |
105 | #define S2P(t,r) rx_disp (2, t, r, (t!=3) ? RX_UByte : RX_Long, ld); P(t, 2); | |
106 | #define S2Pm(t,r,m) rx_disp (2, t, r, memex[m], ld); rx->op[2].size = memex[m]; | |
107 | #define S2cc(cc) OP (2, RX_Operand_Condition, cc, 0) | |
108 | ||
109 | #define BWL(sz) rx->op[0].size = rx->op[1].size = rx->op[2].size = rx->size = bwl[sz] | |
110 | #define sBWL(sz) rx->op[0].size = rx->op[1].size = rx->op[2].size = rx->size = sbwl[sz] | |
111 | #define uBWL(sz) rx->op[0].size = rx->op[1].size = rx->op[2].size = rx->size = ubwl[sz] | |
112 | #define P(t, n) rx->op[n].size = (t!=3) ? RX_UByte : RX_Long; | |
113 | ||
114 | #define F(f) store_flags(rx, f) | |
115 | ||
116 | #define AU ATTRIBUTE_UNUSED | |
117 | #define GETBYTE() (ld->op [ld->rx->n_bytes++] = ld->getbyte (ld->ptr)) | |
118 | ||
119 | #define SYNTAX(x) rx->syntax = x | |
120 | ||
121 | #define UNSUPPORTED() \ | |
122 | rx->syntax = "*unknown*" | |
123 | ||
124 | #define IMM(sf) immediate (sf, 0, ld) | |
125 | #define IMMex(sf) immediate (sf, 1, ld) | |
126 | ||
127 | static int | |
128 | immediate (int sfield, int ex, LocalData * ld) | |
129 | { | |
130 | unsigned long i = 0, j; | |
131 | ||
132 | switch (sfield) | |
133 | { | |
134 | #define B ((unsigned long) GETBYTE()) | |
135 | case 0: | |
136 | #if RX_OPCODE_BIG_ENDIAN | |
137 | i = B; | |
138 | if (ex && (i & 0x80)) | |
139 | i -= 0x100; | |
140 | i <<= 24; | |
141 | i |= B << 16; | |
142 | i |= B << 8; | |
143 | i |= B; | |
144 | #else | |
145 | i = B; | |
146 | i |= B << 8; | |
147 | i |= B << 16; | |
148 | j = B; | |
149 | if (ex && (j & 0x80)) | |
150 | j -= 0x100; | |
151 | i |= j << 24; | |
152 | #endif | |
153 | break; | |
154 | case 3: | |
155 | #if RX_OPCODE_BIG_ENDIAN | |
156 | i = B << 16; | |
157 | i |= B << 8; | |
158 | i |= B; | |
159 | #else | |
160 | i = B; | |
161 | i |= B << 8; | |
162 | i |= B << 16; | |
163 | #endif | |
164 | if (ex && (i & 0x800000)) | |
165 | i -= 0x1000000; | |
166 | break; | |
167 | case 2: | |
168 | #if RX_OPCODE_BIG_ENDIAN | |
169 | i |= B << 8; | |
170 | i |= B; | |
171 | #else | |
172 | i |= B; | |
173 | i |= B << 8; | |
174 | #endif | |
175 | if (ex && (i & 0x8000)) | |
176 | i -= 0x10000; | |
177 | break; | |
178 | case 1: | |
179 | i |= B; | |
180 | if (ex && (i & 0x80)) | |
181 | i -= 0x100; | |
182 | break; | |
183 | default: | |
184 | abort(); | |
185 | } | |
186 | return i; | |
187 | } | |
188 | ||
189 | static void | |
190 | rx_disp (int n, int type, int reg, int size, LocalData * ld) | |
191 | { | |
192 | int disp; | |
193 | ||
194 | ld->rx->op[n].reg = reg; | |
195 | switch (type) | |
196 | { | |
197 | case 3: | |
198 | ld->rx->op[n].type = RX_Operand_Register; | |
199 | break; | |
200 | case 0: | |
201 | ld->rx->op[n].type = RX_Operand_Indirect; | |
202 | ld->rx->op[n].addend = 0; | |
203 | break; | |
204 | case 1: | |
205 | ld->rx->op[n].type = RX_Operand_Indirect; | |
206 | disp = GETBYTE (); | |
207 | ld->rx->op[n].addend = disp * PSCALE[size]; | |
208 | break; | |
209 | case 2: | |
210 | ld->rx->op[n].type = RX_Operand_Indirect; | |
211 | disp = GETBYTE (); | |
212 | #if RX_OPCODE_BIG_ENDIAN | |
213 | disp = disp * 256 + GETBYTE (); | |
214 | #else | |
215 | disp = disp + GETBYTE () * 256; | |
216 | #endif | |
217 | ld->rx->op[n].addend = disp * PSCALE[size]; | |
218 | break; | |
219 | default: | |
220 | abort (); | |
221 | } | |
222 | } | |
223 | ||
3cf79a01 DD |
224 | #define xO 8 |
225 | #define xS 4 | |
226 | #define xZ 2 | |
227 | #define xC 1 | |
228 | ||
229 | #define F_____ | |
230 | #define F___ZC rx->flags_0 = rx->flags_s = xZ|xC; | |
231 | #define F__SZ_ rx->flags_0 = rx->flags_s = xS|xZ; | |
232 | #define F__SZC rx->flags_0 = rx->flags_s = xS|xZ|xC; | |
233 | #define F_0SZC rx->flags_0 = xO|xS|xZ|xC; rx->flags_s = xS|xZ|xC; | |
234 | #define F_O___ rx->flags_0 = rx->flags_s = xO; | |
235 | #define F_OS__ rx->flags_0 = rx->flags_s = xO|xS; | |
236 | #define F_OSZ_ rx->flags_0 = rx->flags_s = xO|xS|xZ; | |
237 | #define F_OSZC rx->flags_0 = rx->flags_s = xO|xS|xZ|xC; | |
c7927a3c NC |
238 | |
239 | int | |
240 | rx_decode_opcode (unsigned long pc AU, | |
241 | RX_Opcode_Decoded * rx, | |
242 | int (* getbyte)(void *), | |
243 | void * ptr) | |
244 | { | |
245 | LocalData lds, * ld = &lds; | |
246 | unsigned char op[20] = {0}; | |
247 | ||
248 | lds.rx = rx; | |
249 | lds.getbyte = getbyte; | |
250 | lds.ptr = ptr; | |
251 | lds.op = op; | |
252 | ||
253 | memset (rx, 0, sizeof (*rx)); | |
254 | BWL(LSIZE); | |
255 | ||
256 | /** VARY sz 00 01 10 */ | |
257 | ||
258 | /*----------------------------------------------------------------------*/ | |
259 | /* MOV */ | |
260 | ||
261 | /** 0111 0101 0100 rdst mov%s #%1, %0 */ | |
3cf79a01 | 262 | ID(mov); DR(rdst); SC(IMM (1)); F_____; |
c7927a3c NC |
263 | |
264 | /** 1111 10sd rdst im sz mov%s #%1, %0 */ | |
78e98aab DD |
265 | ID(mov); DD(sd, rdst, sz); |
266 | if ((im == 1 && sz == 0) | |
267 | || (im == 2 && sz == 1) | |
268 | || (im == 0 && sz == 2)) | |
269 | { | |
270 | BWL (sz); | |
271 | SC(IMM(im)); | |
272 | } | |
273 | else | |
274 | { | |
275 | sBWL (sz); | |
276 | SC(IMMex(im)); | |
277 | } | |
278 | F_____; | |
c7927a3c NC |
279 | |
280 | /** 0110 0110 immm rdst mov%s #%1, %0 */ | |
3cf79a01 | 281 | ID(mov); DR(rdst); SC(immm); F_____; |
c7927a3c NC |
282 | |
283 | /** 0011 11sz d dst sppp mov%s #%1, %0 */ | |
3cf79a01 | 284 | ID(mov); sBWL (sz); DIs(dst, d*16+sppp, sz); SC(IMM(1)); F_____; |
c7927a3c NC |
285 | |
286 | /** 11sz sd ss rsrc rdst mov%s %1, %0 */ | |
f9c7014e | 287 | if (ss == 3 && sz == 2 && rsrc == 0 && rdst == 0) |
c7927a3c | 288 | { |
f9c7014e | 289 | ID(nop2); |
9887672f | 290 | rx->syntax = "nop"; |
c7927a3c NC |
291 | } |
292 | else | |
293 | { | |
f9c7014e DD |
294 | ID(mov); sBWL(sz); F_____; |
295 | if ((ss == 3) && (sd != 3)) | |
296 | { | |
297 | SD(ss, rdst, sz); DD(sd, rsrc, sz); | |
298 | } | |
299 | else | |
300 | { | |
301 | SD(ss, rsrc, sz); DD(sd, rdst, sz); | |
302 | } | |
c7927a3c NC |
303 | } |
304 | ||
305 | /** 10sz 1dsp a src b dst mov%s %1, %0 */ | |
3cf79a01 | 306 | ID(mov); sBWL(sz); DR(dst); SIs(src, dsp*4+a*2+b, sz); F_____; |
c7927a3c NC |
307 | |
308 | /** 10sz 0dsp a dst b src mov%s %1, %0 */ | |
3cf79a01 | 309 | ID(mov); sBWL(sz); DIs(dst, dsp*4+a*2+b, sz); SR(src); F_____; |
c7927a3c NC |
310 | |
311 | /** 1111 1110 01sz isrc bsrc rdst mov%s [%1, %2], %0 */ | |
f9c7014e | 312 | ID(movbi); sBWL(sz); DR(rdst); SRR(isrc); S2R(bsrc); F_____; |
c7927a3c NC |
313 | |
314 | /** 1111 1110 00sz isrc bsrc rdst mov%s %0, [%1, %2] */ | |
f9c7014e | 315 | ID(movbir); sBWL(sz); DR(rdst); SRR(isrc); S2R(bsrc); F_____; |
c7927a3c NC |
316 | |
317 | /** 1111 1110 11sz isrc bsrc rdst movu%s [%1, %2], %0 */ | |
f9c7014e | 318 | ID(movbi); uBWL(sz); DR(rdst); SRR(isrc); S2R(bsrc); F_____; |
c7927a3c NC |
319 | |
320 | /** 1111 1101 0010 0p sz rdst rsrc mov%s %1, %0 */ | |
3cf79a01 | 321 | ID(mov); sBWL (sz); SR(rsrc); F_____; |
c7927a3c NC |
322 | OP(0, p ? RX_Operand_Predec : RX_Operand_Postinc, rdst, 0); |
323 | ||
324 | /** 1111 1101 0010 1p sz rsrc rdst mov%s %1, %0 */ | |
3cf79a01 | 325 | ID(mov); sBWL (sz); DR(rdst); F_____; |
c7927a3c NC |
326 | OP(1, p ? RX_Operand_Predec : RX_Operand_Postinc, rsrc, 0); |
327 | ||
328 | /** 1011 w dsp a src b dst movu%s %1, %0 */ | |
3cf79a01 | 329 | ID(mov); uBWL(w); DR(dst); SIs(src, dsp*4+a*2+b, w); F_____; |
c7927a3c NC |
330 | |
331 | /** 0101 1 s ss rsrc rdst movu%s %1, %0 */ | |
3cf79a01 | 332 | ID(mov); uBWL(s); SD(ss, rsrc, s); DR(rdst); F_____; |
c7927a3c NC |
333 | |
334 | /** 1111 1101 0011 1p sz rsrc rdst movu%s %1, %0 */ | |
3cf79a01 | 335 | ID(mov); uBWL (sz); DR(rdst); F_____; |
c7927a3c NC |
336 | OP(1, p ? RX_Operand_Predec : RX_Operand_Postinc, rsrc, 0); |
337 | ||
338 | /*----------------------------------------------------------------------*/ | |
339 | /* PUSH/POP */ | |
340 | ||
341 | /** 0110 1111 dsta dstb popm %1-%2 */ | |
3cf79a01 | 342 | ID(popm); SR(dsta); S2R(dstb); F_____; |
c7927a3c NC |
343 | |
344 | /** 0110 1110 dsta dstb pushm %1-%2 */ | |
3cf79a01 | 345 | ID(pushm); SR(dsta); S2R(dstb); F_____; |
c7927a3c NC |
346 | |
347 | /** 0111 1110 1011 rdst pop %0 */ | |
3cf79a01 | 348 | ID(mov); OP(1, RX_Operand_Postinc, 0, 0); DR(rdst); F_____; |
c7927a3c NC |
349 | |
350 | /** 0111 1110 10sz rsrc push%s %1 */ | |
3cf79a01 | 351 | ID(mov); BWL(sz); OP(0, RX_Operand_Predec, 0, 0); SR(rsrc); F_____; |
c7927a3c NC |
352 | |
353 | /** 1111 01ss rsrc 10sz push%s %1 */ | |
3cf79a01 | 354 | ID(mov); BWL(sz); OP(0, RX_Operand_Predec, 0, 0); SD(ss, rsrc, sz); F_____; |
c7927a3c NC |
355 | |
356 | /*----------------------------------------------------------------------*/ | |
357 | /* XCHG */ | |
358 | ||
359 | /** 1111 1100 0100 00ss rsrc rdst xchg %1%S1, %0 */ | |
360 | ID(xchg); DR(rdst); SP(ss, rsrc); | |
361 | ||
362 | /** 0000 0110 mx10 00ss 0001 0000 rsrc rdst xchg %1%S1, %0 */ | |
363 | ID(xchg); DR(rdst); SPm(ss, rsrc, mx); | |
364 | ||
365 | /*----------------------------------------------------------------------*/ | |
366 | /* STZ/STNZ */ | |
367 | ||
368 | /** 1111 1101 0111 im00 1110rdst stz #%1, %0 */ | |
369 | ID(stcc); SC(IMMex(im)); DR(rdst); S2cc(RXC_z); | |
370 | ||
371 | /** 1111 1101 0111 im00 1111rdst stnz #%1, %0 */ | |
372 | ID(stcc); SC(IMMex(im)); DR(rdst); S2cc(RXC_nz); | |
373 | ||
374 | /*----------------------------------------------------------------------*/ | |
375 | /* RTSD */ | |
376 | ||
377 | /** 0110 0111 rtsd #%1 */ | |
378 | ID(rtsd); SC(IMM(1) * 4); | |
379 | ||
380 | /** 0011 1111 rega regb rtsd #%1, %2-%0 */ | |
381 | ID(rtsd); SC(IMM(1) * 4); S2R(rega); DR(regb); | |
382 | ||
383 | /*----------------------------------------------------------------------*/ | |
384 | /* AND */ | |
385 | ||
386 | /** 0110 0100 immm rdst and #%1, %0 */ | |
3cf79a01 | 387 | ID(and); SC(immm); DR(rdst); F__SZ_; |
c7927a3c NC |
388 | |
389 | /** 0111 01im 0010 rdst and #%1, %0 */ | |
3cf79a01 | 390 | ID(and); SC(IMMex(im)); DR(rdst); F__SZ_; |
c7927a3c NC |
391 | |
392 | /** 0101 00ss rsrc rdst and %1%S1, %0 */ | |
3cf79a01 | 393 | ID(and); SP(ss, rsrc); DR(rdst); F__SZ_; |
c7927a3c NC |
394 | |
395 | /** 0000 0110 mx01 00ss rsrc rdst and %1%S1, %0 */ | |
3cf79a01 | 396 | ID(and); SPm(ss, rsrc, mx); DR(rdst); F__SZ_; |
c7927a3c NC |
397 | |
398 | /** 1111 1111 0100 rdst srca srcb and %2, %1, %0 */ | |
3cf79a01 | 399 | ID(and); DR(rdst); SR(srcb); S2R(srca); F__SZ_; |
c7927a3c NC |
400 | |
401 | /*----------------------------------------------------------------------*/ | |
402 | /* OR */ | |
403 | ||
404 | /** 0110 0101 immm rdst or #%1, %0 */ | |
3cf79a01 | 405 | ID(or); SC(immm); DR(rdst); F__SZ_; |
c7927a3c NC |
406 | |
407 | /** 0111 01im 0011 rdst or #%1, %0 */ | |
3cf79a01 | 408 | ID(or); SC(IMMex(im)); DR(rdst); F__SZ_; |
c7927a3c NC |
409 | |
410 | /** 0101 01ss rsrc rdst or %1%S1, %0 */ | |
3cf79a01 | 411 | ID(or); SP(ss, rsrc); DR(rdst); F__SZ_; |
c7927a3c NC |
412 | |
413 | /** 0000 0110 mx01 01ss rsrc rdst or %1%S1, %0 */ | |
3cf79a01 | 414 | ID(or); SPm(ss, rsrc, mx); DR(rdst); F__SZ_; |
c7927a3c NC |
415 | |
416 | /** 1111 1111 0101 rdst srca srcb or %2, %1, %0 */ | |
3cf79a01 | 417 | ID(or); DR(rdst); SR(srcb); S2R(srca); F__SZ_; |
c7927a3c NC |
418 | |
419 | /*----------------------------------------------------------------------*/ | |
420 | /* XOR */ | |
421 | ||
422 | /** 1111 1101 0111 im00 1101rdst xor #%1, %0 */ | |
3cf79a01 | 423 | ID(xor); SC(IMMex(im)); DR(rdst); F__SZ_; |
c7927a3c NC |
424 | |
425 | /** 1111 1100 0011 01ss rsrc rdst xor %1%S1, %0 */ | |
3cf79a01 | 426 | ID(xor); SP(ss, rsrc); DR(rdst); F__SZ_; |
c7927a3c NC |
427 | |
428 | /** 0000 0110 mx10 00ss 0000 1101 rsrc rdst xor %1%S1, %0 */ | |
3cf79a01 | 429 | ID(xor); SPm(ss, rsrc, mx); DR(rdst); F__SZ_; |
c7927a3c NC |
430 | |
431 | /*----------------------------------------------------------------------*/ | |
432 | /* NOT */ | |
433 | ||
434 | /** 0111 1110 0000 rdst not %0 */ | |
3cf79a01 | 435 | ID(xor); DR(rdst); SR(rdst); S2C(~0); F__SZ_; |
c7927a3c NC |
436 | |
437 | /** 1111 1100 0011 1011 rsrc rdst not %1, %0 */ | |
3cf79a01 | 438 | ID(xor); DR(rdst); SR(rsrc); S2C(~0); F__SZ_; |
c7927a3c NC |
439 | |
440 | /*----------------------------------------------------------------------*/ | |
441 | /* TST */ | |
442 | ||
443 | /** 1111 1101 0111 im00 1100rdst tst #%1, %2 */ | |
3cf79a01 | 444 | ID(and); SC(IMMex(im)); S2R(rdst); F__SZ_; |
c7927a3c NC |
445 | |
446 | /** 1111 1100 0011 00ss rsrc rdst tst %1%S1, %2 */ | |
3cf79a01 | 447 | ID(and); SP(ss, rsrc); S2R(rdst); F__SZ_; |
c7927a3c NC |
448 | |
449 | /** 0000 0110 mx10 00ss 0000 1100 rsrc rdst tst %1%S1, %2 */ | |
3cf79a01 | 450 | ID(and); SPm(ss, rsrc, mx); S2R(rdst); F__SZ_; |
c7927a3c NC |
451 | |
452 | /*----------------------------------------------------------------------*/ | |
453 | /* NEG */ | |
454 | ||
455 | /** 0111 1110 0001 rdst neg %0 */ | |
3cf79a01 | 456 | ID(sub); DR(rdst); SC(0); S2R(rdst); F_OSZC; |
c7927a3c NC |
457 | |
458 | /** 1111 1100 0000 0111 rsrc rdst neg %2, %0 */ | |
3cf79a01 | 459 | ID(sub); DR(rdst); SC(0); S2R(rsrc); F_OSZC; |
c7927a3c NC |
460 | |
461 | /*----------------------------------------------------------------------*/ | |
462 | /* ADC */ | |
463 | ||
464 | /** 1111 1101 0111 im00 0010rdst adc #%1, %0 */ | |
3cf79a01 | 465 | ID(adc); SC(IMMex(im)); DR(rdst); F_OSZC; |
c7927a3c NC |
466 | |
467 | /** 1111 1100 0000 1011 rsrc rdst adc %1, %0 */ | |
3cf79a01 | 468 | ID(adc); SR(rsrc); DR(rdst); F_OSZC; |
c7927a3c NC |
469 | |
470 | /** 0000 0110 1010 00ss 0000 0010 rsrc rdst adc %1%S1, %0 */ | |
3cf79a01 | 471 | ID(adc); SPm(ss, rsrc, 2); DR(rdst); F_OSZC; |
c7927a3c NC |
472 | |
473 | /*----------------------------------------------------------------------*/ | |
474 | /* ADD */ | |
475 | ||
476 | /** 0110 0010 immm rdst add #%1, %0 */ | |
3cf79a01 | 477 | ID(add); SC(immm); DR(rdst); F_OSZC; |
c7927a3c NC |
478 | |
479 | /** 0100 10ss rsrc rdst add %1%S1, %0 */ | |
3cf79a01 | 480 | ID(add); SP(ss, rsrc); DR(rdst); F_OSZC; |
c7927a3c NC |
481 | |
482 | /** 0000 0110 mx00 10ss rsrc rdst add %1%S1, %0 */ | |
3cf79a01 | 483 | ID(add); SPm(ss, rsrc, mx); DR(rdst); F_OSZC; |
c7927a3c NC |
484 | |
485 | /** 0111 00im rsrc rdst add #%1, %2, %0 */ | |
3cf79a01 | 486 | ID(add); SC(IMMex(im)); S2R(rsrc); DR(rdst); F_OSZC; |
c7927a3c NC |
487 | |
488 | /** 1111 1111 0010 rdst srca srcb add %2, %1, %0 */ | |
3cf79a01 | 489 | ID(add); DR(rdst); SR(srcb); S2R(srca); F_OSZC; |
c7927a3c NC |
490 | |
491 | /*----------------------------------------------------------------------*/ | |
492 | /* CMP */ | |
493 | ||
494 | /** 0110 0001 immm rdst cmp #%2, %1 */ | |
3cf79a01 | 495 | ID(sub); S2C(immm); SR(rdst); F_OSZC; |
c7927a3c NC |
496 | |
497 | /** 0111 01im 0000 rsrc cmp #%2, %1%S1 */ | |
3cf79a01 | 498 | ID(sub); SR(rsrc); S2C(IMMex(im)); F_OSZC; |
c7927a3c NC |
499 | |
500 | /** 0111 0101 0101 rsrc cmp #%2, %1 */ | |
3cf79a01 | 501 | ID(sub); SR(rsrc); S2C(IMM(1)); F_OSZC; |
c7927a3c NC |
502 | |
503 | /** 0100 01ss rsrc rdst cmp %2%S2, %1 */ | |
3cf79a01 | 504 | ID(sub); S2P(ss, rsrc); SR(rdst); F_OSZC; |
c7927a3c NC |
505 | |
506 | /** 0000 0110 mx00 01ss rsrc rdst cmp %2%S2, %1 */ | |
3cf79a01 | 507 | ID(sub); S2Pm(ss, rsrc, mx); SR(rdst); F_OSZC; |
c7927a3c NC |
508 | |
509 | /*----------------------------------------------------------------------*/ | |
510 | /* SUB */ | |
511 | ||
512 | /** 0110 0000 immm rdst sub #%2, %0 */ | |
3cf79a01 | 513 | ID(sub); S2C(immm); SR(rdst); DR(rdst); F_OSZC; |
c7927a3c NC |
514 | |
515 | /** 0100 00ss rsrc rdst sub %2%S2, %1 */ | |
3cf79a01 | 516 | ID(sub); S2P(ss, rsrc); SR(rdst); DR(rdst); F_OSZC; |
c7927a3c NC |
517 | |
518 | /** 0000 0110 mx00 00ss rsrc rdst sub %2%S2, %1 */ | |
3cf79a01 | 519 | ID(sub); S2Pm(ss, rsrc, mx); SR(rdst); DR(rdst); F_OSZC; |
c7927a3c NC |
520 | |
521 | /** 1111 1111 0000 rdst srca srcb sub %2, %1, %0 */ | |
3cf79a01 | 522 | ID(sub); DR(rdst); SR(srcb); S2R(srca); F_OSZC; |
c7927a3c NC |
523 | |
524 | /*----------------------------------------------------------------------*/ | |
525 | /* SBB */ | |
526 | ||
527 | /** 1111 1100 0000 0011 rsrc rdst sbb %1, %0 */ | |
3cf79a01 | 528 | ID(sbb); SR (rsrc); DR(rdst); F_OSZC; |
c7927a3c NC |
529 | |
530 | /* FIXME: only supports .L */ | |
531 | /** 0000 0110 mx10 00sp 0000 0000 rsrc rdst sbb %1%S1, %0 */ | |
3cf79a01 | 532 | ID(sbb); SPm(sp, rsrc, mx); DR(rdst); F_OSZC; |
c7927a3c NC |
533 | |
534 | /*----------------------------------------------------------------------*/ | |
535 | /* ABS */ | |
536 | ||
537 | /** 0111 1110 0010 rdst abs %0 */ | |
3cf79a01 | 538 | ID(abs); DR(rdst); SR(rdst); F_OSZ_; |
c7927a3c NC |
539 | |
540 | /** 1111 1100 0000 1111 rsrc rdst abs %1, %0 */ | |
3cf79a01 | 541 | ID(abs); DR(rdst); SR(rsrc); F_OSZ_; |
c7927a3c NC |
542 | |
543 | /*----------------------------------------------------------------------*/ | |
544 | /* MAX */ | |
545 | ||
546 | /** 1111 1101 0111 im00 0100rdst max #%1, %0 */ | |
547 | ID(max); DR(rdst); SC(IMMex(im)); | |
548 | ||
549 | /** 1111 1100 0001 00ss rsrc rdst max %1%S1, %0 */ | |
f9c7014e DD |
550 | if (ss == 3 && rsrc == 0 && rdst == 0) |
551 | { | |
552 | ID(nop3); | |
9887672f | 553 | rx->syntax = "nop"; |
f9c7014e DD |
554 | } |
555 | else | |
556 | { | |
557 | ID(max); SP(ss, rsrc); DR(rdst); | |
558 | } | |
c7927a3c NC |
559 | |
560 | /** 0000 0110 mx10 00ss 0000 0100 rsrc rdst max %1%S1, %0 */ | |
561 | ID(max); SPm(ss, rsrc, mx); DR(rdst); | |
562 | ||
563 | /*----------------------------------------------------------------------*/ | |
564 | /* MIN */ | |
565 | ||
566 | /** 1111 1101 0111 im00 0101rdst min #%1, %0 */ | |
567 | ID(min); DR(rdst); SC(IMMex(im)); | |
568 | ||
569 | /** 1111 1100 0001 01ss rsrc rdst min %1%S1, %0 */ | |
570 | ID(min); SP(ss, rsrc); DR(rdst); | |
571 | ||
572 | /** 0000 0110 mx10 00ss 0000 0101 rsrc rdst min %1%S1, %0 */ | |
573 | ID(min); SPm(ss, rsrc, mx); DR(rdst); | |
574 | ||
575 | /*----------------------------------------------------------------------*/ | |
576 | /* MUL */ | |
577 | ||
578 | /** 0110 0011 immm rdst mul #%1, %0 */ | |
3cf79a01 | 579 | ID(mul); DR(rdst); SC(immm); F_____; |
c7927a3c NC |
580 | |
581 | /** 0111 01im 0001rdst mul #%1, %0 */ | |
3cf79a01 | 582 | ID(mul); DR(rdst); SC(IMMex(im)); F_____; |
c7927a3c NC |
583 | |
584 | /** 0100 11ss rsrc rdst mul %1%S1, %0 */ | |
3cf79a01 | 585 | ID(mul); SP(ss, rsrc); DR(rdst); F_____; |
c7927a3c NC |
586 | |
587 | /** 0000 0110 mx00 11ss rsrc rdst mul %1%S1, %0 */ | |
3cf79a01 | 588 | ID(mul); SPm(ss, rsrc, mx); DR(rdst); F_____; |
c7927a3c NC |
589 | |
590 | /** 1111 1111 0011 rdst srca srcb mul %2, %1, %0 */ | |
3cf79a01 | 591 | ID(mul); DR(rdst); SR(srcb); S2R(srca); F_____; |
c7927a3c NC |
592 | |
593 | /*----------------------------------------------------------------------*/ | |
594 | /* EMUL */ | |
595 | ||
596 | /** 1111 1101 0111 im00 0110rdst emul #%1, %0 */ | |
597 | ID(emul); DR(rdst); SC(IMMex(im)); | |
598 | ||
599 | /** 1111 1100 0001 10ss rsrc rdst emul %1%S1, %0 */ | |
600 | ID(emul); SP(ss, rsrc); DR(rdst); | |
601 | ||
602 | /** 0000 0110 mx10 00ss 0000 0110 rsrc rdst emul %1%S1, %0 */ | |
603 | ID(emul); SPm(ss, rsrc, mx); DR(rdst); | |
604 | ||
605 | /*----------------------------------------------------------------------*/ | |
606 | /* EMULU */ | |
607 | ||
608 | /** 1111 1101 0111 im00 0111rdst emulu #%1, %0 */ | |
609 | ID(emulu); DR(rdst); SC(IMMex(im)); | |
610 | ||
611 | /** 1111 1100 0001 11ss rsrc rdst emulu %1%S1, %0 */ | |
612 | ID(emulu); SP(ss, rsrc); DR(rdst); | |
613 | ||
614 | /** 0000 0110 mx10 00ss 0000 0111 rsrc rdst emulu %1%S1, %0 */ | |
615 | ID(emulu); SPm(ss, rsrc, mx); DR(rdst); | |
616 | ||
617 | /*----------------------------------------------------------------------*/ | |
618 | /* DIV */ | |
619 | ||
620 | /** 1111 1101 0111 im00 1000rdst div #%1, %0 */ | |
3cf79a01 | 621 | ID(div); DR(rdst); SC(IMMex(im)); F_O___; |
c7927a3c NC |
622 | |
623 | /** 1111 1100 0010 00ss rsrc rdst div %1%S1, %0 */ | |
3cf79a01 | 624 | ID(div); SP(ss, rsrc); DR(rdst); F_O___; |
c7927a3c NC |
625 | |
626 | /** 0000 0110 mx10 00ss 0000 1000 rsrc rdst div %1%S1, %0 */ | |
3cf79a01 | 627 | ID(div); SPm(ss, rsrc, mx); DR(rdst); F_O___; |
c7927a3c NC |
628 | |
629 | /*----------------------------------------------------------------------*/ | |
630 | /* DIVU */ | |
631 | ||
632 | /** 1111 1101 0111 im00 1001rdst divu #%1, %0 */ | |
3cf79a01 | 633 | ID(divu); DR(rdst); SC(IMMex(im)); F_O___; |
c7927a3c NC |
634 | |
635 | /** 1111 1100 0010 01ss rsrc rdst divu %1%S1, %0 */ | |
3cf79a01 | 636 | ID(divu); SP(ss, rsrc); DR(rdst); F_O___; |
c7927a3c NC |
637 | |
638 | /** 0000 0110 mx10 00ss 0000 1001 rsrc rdst divu %1%S1, %0 */ | |
3cf79a01 | 639 | ID(divu); SPm(ss, rsrc, mx); DR(rdst); F_O___; |
c7927a3c NC |
640 | |
641 | /*----------------------------------------------------------------------*/ | |
642 | /* SHIFT */ | |
643 | ||
644 | /** 0110 110i mmmm rdst shll #%2, %0 */ | |
3cf79a01 | 645 | ID(shll); S2C(i*16+mmmm); SR(rdst); DR(rdst); F_OSZC; |
c7927a3c NC |
646 | |
647 | /** 1111 1101 0110 0010 rsrc rdst shll %2, %0 */ | |
3cf79a01 | 648 | ID(shll); S2R(rsrc); SR(rdst); DR(rdst); F_OSZC; |
c7927a3c NC |
649 | |
650 | /** 1111 1101 110immmm rsrc rdst shll #%2, %1, %0 */ | |
3cf79a01 | 651 | ID(shll); S2C(immmm); SR(rsrc); DR(rdst); F_OSZC; |
c7927a3c NC |
652 | |
653 | ||
654 | /** 0110 101i mmmm rdst shar #%2, %0 */ | |
3cf79a01 | 655 | ID(shar); S2C(i*16+mmmm); SR(rdst); DR(rdst); F_0SZC; |
c7927a3c NC |
656 | |
657 | /** 1111 1101 0110 0001 rsrc rdst shar %2, %0 */ | |
3cf79a01 | 658 | ID(shar); S2R(rsrc); SR(rdst); DR(rdst); F_0SZC; |
c7927a3c NC |
659 | |
660 | /** 1111 1101 101immmm rsrc rdst shar #%2, %1, %0 */ | |
3cf79a01 | 661 | ID(shar); S2C(immmm); SR(rsrc); DR(rdst); F_0SZC; |
c7927a3c NC |
662 | |
663 | ||
664 | /** 0110 100i mmmm rdst shlr #%2, %0 */ | |
3cf79a01 | 665 | ID(shlr); S2C(i*16+mmmm); SR(rdst); DR(rdst); F__SZC; |
c7927a3c NC |
666 | |
667 | /** 1111 1101 0110 0000 rsrc rdst shlr %2, %0 */ | |
3cf79a01 | 668 | ID(shlr); S2R(rsrc); SR(rdst); DR(rdst); F__SZC; |
c7927a3c NC |
669 | |
670 | /** 1111 1101 100immmm rsrc rdst shlr #%2, %1, %0 */ | |
3cf79a01 | 671 | ID(shlr); S2C(immmm); SR(rsrc); DR(rdst); F__SZC; |
c7927a3c NC |
672 | |
673 | /*----------------------------------------------------------------------*/ | |
674 | /* ROTATE */ | |
675 | ||
676 | /** 0111 1110 0101 rdst rolc %0 */ | |
3cf79a01 | 677 | ID(rolc); DR(rdst); F__SZC; |
c7927a3c NC |
678 | |
679 | /** 0111 1110 0100 rdst rorc %0 */ | |
3cf79a01 | 680 | ID(rorc); DR(rdst); F__SZC; |
c7927a3c NC |
681 | |
682 | /** 1111 1101 0110 111i mmmm rdst rotl #%1, %0 */ | |
3cf79a01 | 683 | ID(rotl); SC(i*16+mmmm); DR(rdst); F__SZC; |
c7927a3c NC |
684 | |
685 | /** 1111 1101 0110 0110 rsrc rdst rotl %1, %0 */ | |
3cf79a01 | 686 | ID(rotl); SR(rsrc); DR(rdst); F__SZC; |
c7927a3c NC |
687 | |
688 | /** 1111 1101 0110 110i mmmm rdst rotr #%1, %0 */ | |
3cf79a01 | 689 | ID(rotr); SC(i*16+mmmm); DR(rdst); F__SZC; |
c7927a3c NC |
690 | |
691 | /** 1111 1101 0110 0100 rsrc rdst rotr %1, %0 */ | |
3cf79a01 | 692 | ID(rotr); SR(rsrc); DR(rdst); F__SZC; |
c7927a3c NC |
693 | |
694 | /** 1111 1101 0110 0101 rsrc rdst revw %1, %0 */ | |
695 | ID(revw); SR(rsrc); DR(rdst); | |
696 | ||
697 | /** 1111 1101 0110 0111 rsrc rdst revl %1, %0 */ | |
698 | ID(revl); SR(rsrc); DR(rdst); | |
699 | ||
700 | /*----------------------------------------------------------------------*/ | |
701 | /* BRANCH */ | |
702 | ||
703 | /** 0001 n dsp b%1.s %a0 */ | |
704 | ID(branch); Scc(n); DC(pc + dsp3map[dsp]); | |
705 | ||
706 | /** 0010 cond b%1.b %a0 */ | |
707 | ID(branch); Scc(cond); DC(pc + IMMex (1)); | |
708 | ||
709 | /** 0011 101c b%1.w %a0 */ | |
710 | ID(branch); Scc(c); DC(pc + IMMex (2)); | |
711 | ||
712 | ||
713 | /** 0000 1dsp bra.s %a0 */ | |
f9c7014e | 714 | ID(branch); DC(pc + dsp3map[dsp]); |
c7927a3c NC |
715 | |
716 | /** 0010 1110 bra.b %a0 */ | |
f9c7014e | 717 | ID(branch); DC(pc + IMMex(1)); |
c7927a3c NC |
718 | |
719 | /** 0011 1000 bra.w %a0 */ | |
f9c7014e | 720 | ID(branch); DC(pc + IMMex(2)); |
c7927a3c NC |
721 | |
722 | /** 0000 0100 bra.a %a0 */ | |
f9c7014e | 723 | ID(branch); DC(pc + IMMex(3)); |
c7927a3c NC |
724 | |
725 | /** 0111 1111 0100 rsrc bra.l %0 */ | |
f9c7014e | 726 | ID(branchrel); DR(rsrc); |
c7927a3c NC |
727 | |
728 | ||
729 | /** 0111 1111 0000 rsrc jmp %0 */ | |
f9c7014e | 730 | ID(branch); DR(rsrc); |
c7927a3c NC |
731 | |
732 | /** 0111 1111 0001 rsrc jsr %0 */ | |
733 | ID(jsr); DR(rsrc); | |
734 | ||
735 | /** 0011 1001 bsr.w %a0 */ | |
736 | ID(jsr); DC(pc + IMMex(2)); | |
737 | ||
738 | /** 0000 0101 bsr.a %a0 */ | |
739 | ID(jsr); DC(pc + IMMex(3)); | |
740 | ||
741 | /** 0111 1111 0101 rsrc bsr.l %0 */ | |
742 | ID(jsrrel); DR(rsrc); | |
743 | ||
744 | /** 0000 0010 rts */ | |
745 | ID(rts); | |
746 | ||
747 | /*----------------------------------------------------------------------*/ | |
748 | /* NOP */ | |
749 | ||
750 | /** 0000 0011 nop */ | |
751 | ID(nop); | |
752 | ||
753 | /*----------------------------------------------------------------------*/ | |
754 | /* STRING FUNCTIONS */ | |
755 | ||
756 | /** 0111 1111 1000 0011 scmpu */ | |
3cf79a01 | 757 | ID(scmpu); F___ZC; |
c7927a3c NC |
758 | |
759 | /** 0111 1111 1000 0111 smovu */ | |
760 | ID(smovu); | |
761 | ||
762 | /** 0111 1111 1000 1011 smovb */ | |
763 | ID(smovb); | |
764 | ||
765 | /** 0111 1111 1000 00sz suntil%s */ | |
3cf79a01 | 766 | ID(suntil); BWL(sz); F___ZC; |
c7927a3c NC |
767 | |
768 | /** 0111 1111 1000 01sz swhile%s */ | |
3cf79a01 | 769 | ID(swhile); BWL(sz); F___ZC; |
c7927a3c NC |
770 | |
771 | /** 0111 1111 1000 1111 smovf */ | |
772 | ID(smovf); | |
773 | ||
774 | /** 0111 1111 1000 10sz sstr%s */ | |
775 | ID(sstr); BWL(sz); | |
776 | ||
777 | /*----------------------------------------------------------------------*/ | |
778 | /* RMPA */ | |
779 | ||
780 | /** 0111 1111 1000 11sz rmpa%s */ | |
3cf79a01 | 781 | ID(rmpa); BWL(sz); F_OS__; |
c7927a3c NC |
782 | |
783 | /*----------------------------------------------------------------------*/ | |
784 | /* HI/LO stuff */ | |
785 | ||
786 | /** 1111 1101 0000 0000 srca srcb mulhi %1, %2 */ | |
3cf79a01 | 787 | ID(mulhi); SR(srca); S2R(srcb); F_____; |
c7927a3c NC |
788 | |
789 | /** 1111 1101 0000 0001 srca srcb mullo %1, %2 */ | |
3cf79a01 | 790 | ID(mullo); SR(srca); S2R(srcb); F_____; |
c7927a3c NC |
791 | |
792 | /** 1111 1101 0000 0100 srca srcb machi %1, %2 */ | |
3cf79a01 | 793 | ID(machi); SR(srca); S2R(srcb); F_____; |
c7927a3c NC |
794 | |
795 | /** 1111 1101 0000 0101 srca srcb maclo %1, %2 */ | |
3cf79a01 | 796 | ID(maclo); SR(srca); S2R(srcb); F_____; |
c7927a3c NC |
797 | |
798 | /** 1111 1101 0001 0111 0000 rsrc mvtachi %1 */ | |
3cf79a01 | 799 | ID(mvtachi); SR(rsrc); F_____; |
c7927a3c NC |
800 | |
801 | /** 1111 1101 0001 0111 0001 rsrc mvtaclo %1 */ | |
3cf79a01 | 802 | ID(mvtaclo); SR(rsrc); F_____; |
c7927a3c NC |
803 | |
804 | /** 1111 1101 0001 1111 0000 rdst mvfachi %0 */ | |
3cf79a01 | 805 | ID(mvfachi); DR(rdst); F_____; |
c7927a3c NC |
806 | |
807 | /** 1111 1101 0001 1111 0010 rdst mvfacmi %0 */ | |
3cf79a01 | 808 | ID(mvfacmi); DR(rdst); F_____; |
c7927a3c NC |
809 | |
810 | /** 1111 1101 0001 1111 0001 rdst mvfaclo %0 */ | |
3cf79a01 | 811 | ID(mvfaclo); DR(rdst); F_____; |
c7927a3c NC |
812 | |
813 | /** 1111 1101 0001 1000 000i 0000 racw #%1 */ | |
3cf79a01 | 814 | ID(racw); SC(i+1); F_____; |
c7927a3c NC |
815 | |
816 | /*----------------------------------------------------------------------*/ | |
817 | /* SAT */ | |
818 | ||
819 | /** 0111 1110 0011 rdst sat %0 */ | |
820 | ID(sat); DR (rdst); | |
821 | ||
822 | /** 0111 1111 1001 0011 satr */ | |
823 | ID(satr); | |
824 | ||
825 | /*----------------------------------------------------------------------*/ | |
826 | /* FLOAT */ | |
827 | ||
828 | /** 1111 1101 0111 0010 0010 rdst fadd #%1, %0 */ | |
3cf79a01 | 829 | ID(fadd); DR(rdst); SC(IMM(0)); F__SZ_; |
c7927a3c NC |
830 | |
831 | /** 1111 1100 1000 10sd rsrc rdst fadd %1%S1, %0 */ | |
3cf79a01 | 832 | ID(fadd); DR(rdst); SD(sd, rsrc, LSIZE); F__SZ_; |
c7927a3c NC |
833 | |
834 | /** 1111 1101 0111 0010 0001 rdst fcmp #%1, %0 */ | |
3cf79a01 | 835 | ID(fcmp); DR(rdst); SC(IMM(0)); F_OSZ_; |
c7927a3c NC |
836 | |
837 | /** 1111 1100 1000 01sd rsrc rdst fcmp %1%S1, %0 */ | |
3cf79a01 | 838 | ID(fcmp); DR(rdst); SD(sd, rsrc, LSIZE); F_OSZ_; |
c7927a3c NC |
839 | |
840 | /** 1111 1101 0111 0010 0000 rdst fsub #%1, %0 */ | |
3cf79a01 | 841 | ID(fsub); DR(rdst); SC(IMM(0)); F__SZ_; |
c7927a3c NC |
842 | |
843 | /** 1111 1100 1000 00sd rsrc rdst fsub %1%S1, %0 */ | |
3cf79a01 | 844 | ID(fsub); DR(rdst); SD(sd, rsrc, LSIZE); F__SZ_; |
c7927a3c NC |
845 | |
846 | /** 1111 1100 1001 01sd rsrc rdst ftoi %1%S1, %0 */ | |
3cf79a01 | 847 | ID(ftoi); DR(rdst); SD(sd, rsrc, LSIZE); F__SZ_; |
c7927a3c NC |
848 | |
849 | /** 1111 1101 0111 0010 0011 rdst fmul #%1, %0 */ | |
3cf79a01 | 850 | ID(fmul); DR(rdst); SC(IMM(0)); F__SZ_; |
c7927a3c NC |
851 | |
852 | /** 1111 1100 1000 11sd rsrc rdst fmul %1%S1, %0 */ | |
3cf79a01 | 853 | ID(fmul); DR(rdst); SD(sd, rsrc, LSIZE); F__SZ_; |
c7927a3c NC |
854 | |
855 | /** 1111 1101 0111 0010 0100 rdst fdiv #%1, %0 */ | |
3cf79a01 | 856 | ID(fdiv); DR(rdst); SC(IMM(0)); F__SZ_; |
c7927a3c NC |
857 | |
858 | /** 1111 1100 1001 00sd rsrc rdst fdiv %1%S1, %0 */ | |
3cf79a01 | 859 | ID(fdiv); DR(rdst); SD(sd, rsrc, LSIZE); F__SZ_; |
c7927a3c NC |
860 | |
861 | /** 1111 1100 1001 10sd rsrc rdst round %1%S1, %0 */ | |
3cf79a01 | 862 | ID(round); DR(rdst); SD(sd, rsrc, LSIZE); F__SZ_; |
c7927a3c NC |
863 | |
864 | /** 1111 1100 0100 01sd rsrc rdst itof %1%S1, %0 */ | |
3cf79a01 | 865 | ID(itof); DR (rdst); SP(sd, rsrc); F__SZ_; |
c7927a3c NC |
866 | |
867 | /** 0000 0110 mx10 00sd 0001 0001 rsrc rdst itof %1%S1, %0 */ | |
3cf79a01 | 868 | ID(itof); DR (rdst); SPm(sd, rsrc, mx); F__SZ_; |
c7927a3c NC |
869 | |
870 | /*----------------------------------------------------------------------*/ | |
871 | /* BIT OPS */ | |
872 | ||
873 | /** 1111 00sd rdst 0bit bset #%1, %0%S0 */ | |
3cf79a01 | 874 | ID(bset); BWL(BSIZE); SC(bit); DD(sd, rdst, BSIZE); F_____; |
c7927a3c NC |
875 | |
876 | /** 1111 1100 0110 00sd rdst rsrc bset %1, %0%S0 */ | |
3cf79a01 | 877 | ID(bset); BWL(BSIZE); SR(rsrc); DD(sd, rdst, BSIZE); F_____; |
c7927a3c NC |
878 | |
879 | /** 0111 100b ittt rdst bset #%1, %0 */ | |
3cf79a01 | 880 | ID(bset); BWL(LSIZE); SC(b*16+ittt); DR(rdst); F_____; |
c7927a3c NC |
881 | |
882 | ||
883 | /** 1111 00sd rdst 1bit bclr #%1, %0%S0 */ | |
3cf79a01 | 884 | ID(bclr); BWL(BSIZE); SC(bit); DD(sd, rdst, BSIZE); F_____; |
c7927a3c NC |
885 | |
886 | /** 1111 1100 0110 01sd rdst rsrc bclr %1, %0%S0 */ | |
3cf79a01 | 887 | ID(bclr); BWL(BSIZE); SR(rsrc); DD(sd, rdst, BSIZE); F_____; |
c7927a3c NC |
888 | |
889 | /** 0111 101b ittt rdst bclr #%1, %0 */ | |
3cf79a01 | 890 | ID(bclr); BWL(LSIZE); SC(b*16+ittt); DR(rdst); F_____; |
c7927a3c NC |
891 | |
892 | ||
893 | /** 1111 01sd rdst 0bit btst #%2, %1%S1 */ | |
3cf79a01 | 894 | ID(btst); BWL(BSIZE); S2C(bit); SD(sd, rdst, BSIZE); F___ZC; |
c7927a3c NC |
895 | |
896 | /** 1111 1100 0110 10sd rdst rsrc btst %2, %1%S1 */ | |
3cf79a01 | 897 | ID(btst); BWL(BSIZE); S2R(rsrc); SD(sd, rdst, BSIZE); F___ZC; |
c7927a3c NC |
898 | |
899 | /** 0111 110b ittt rdst btst #%2, %1 */ | |
3cf79a01 | 900 | ID(btst); BWL(LSIZE); S2C(b*16+ittt); SR(rdst); F___ZC; |
c7927a3c NC |
901 | |
902 | ||
903 | /** 1111 1100 111bit sd rdst 1111 bnot #%1, %0%S0 */ | |
904 | ID(bnot); BWL(BSIZE); SC(bit); DD(sd, rdst, BSIZE); | |
905 | ||
906 | /** 1111 1100 0110 11sd rdst rsrc bnot %1, %0%S0 */ | |
907 | ID(bnot); BWL(BSIZE); SR(rsrc); DD(sd, rdst, BSIZE); | |
908 | ||
909 | /** 1111 1101 111bittt 1111 rdst bnot #%1, %0 */ | |
910 | ID(bnot); BWL(LSIZE); SC(bittt); DR(rdst); | |
911 | ||
912 | ||
913 | /** 1111 1100 111bit sd rdst cond bm%2 #%1, %0%S0 */ | |
914 | ID(bmcc); BWL(BSIZE); S2cc(cond); SC(bit); DD(sd, rdst, BSIZE); | |
915 | ||
916 | /** 1111 1101 111 bittt cond rdst bm%2 #%1, %0%S0 */ | |
917 | ID(bmcc); BWL(LSIZE); S2cc(cond); SC(bittt); DR(rdst); | |
918 | ||
919 | /*----------------------------------------------------------------------*/ | |
920 | /* CONTROL REGISTERS */ | |
921 | ||
922 | /** 0111 1111 1011 rdst clrpsw %0 */ | |
923 | ID(clrpsw); DF(rdst); | |
924 | ||
925 | /** 0111 1111 1010 rdst setpsw %0 */ | |
926 | ID(setpsw); DF(rdst); | |
927 | ||
0d734b5d DD |
928 | /** 0111 0101 0111 0000 0000 immm mvtipl #%1 */ |
929 | ID(mvtipl); SC(immm); | |
930 | ||
c7927a3c NC |
931 | /** 0111 1110 111 crdst popc %0 */ |
932 | ID(mov); OP(1, RX_Operand_Postinc, 0, 0); DR(crdst + 16); | |
933 | ||
934 | /** 0111 1110 110 crsrc pushc %1 */ | |
935 | ID(mov); OP(0, RX_Operand_Predec, 0, 0); SR(crsrc + 16); | |
936 | ||
937 | /** 1111 1101 0111 im11 000crdst mvtc #%1, %0 */ | |
938 | ID(mov); SC(IMMex(im)); DR(crdst + 16); | |
939 | ||
940 | /** 1111 1101 0110 100c rsrc rdst mvtc %1, %0 */ | |
941 | ID(mov); SR(rsrc); DR(c*16+rdst + 16); | |
942 | ||
943 | /** 1111 1101 0110 101s rsrc rdst mvfc %1, %0 */ | |
944 | ID(mov); SR((s*16+rsrc) + 16); DR(rdst); | |
945 | ||
c7927a3c NC |
946 | /*----------------------------------------------------------------------*/ |
947 | /* INTERRUPTS */ | |
948 | ||
949 | /** 0111 1111 1001 0100 rtfi */ | |
950 | ID(rtfi); | |
951 | ||
952 | /** 0111 1111 1001 0101 rte */ | |
953 | ID(rte); | |
954 | ||
955 | /** 0000 0000 brk */ | |
956 | ID(brk); | |
957 | ||
958 | /** 0000 0001 dbt */ | |
959 | ID(dbt); | |
960 | ||
961 | /** 0111 0101 0110 0000 int #%1 */ | |
962 | ID(int); SC(IMM(1)); | |
963 | ||
964 | /** 0111 1111 1001 0110 wait */ | |
965 | ID(wait); | |
966 | ||
967 | /*----------------------------------------------------------------------*/ | |
968 | /* SCcnd */ | |
969 | ||
970 | /** 1111 1100 1101 sz sd rdst cond sc%1%s %0 */ | |
971 | ID(sccnd); BWL(sz); DD (sd, rdst, sz); Scc(cond); | |
972 | ||
973 | /** */ | |
974 | ||
975 | return rx->n_bytes; | |
976 | } |