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c7927a3c | 1 | /* -*- c -*- */ |
df7b86aa | 2 | #include "sysdep.h" |
c7927a3c NC |
3 | #include <stdio.h> |
4 | #include <stdlib.h> | |
5 | #include <string.h> | |
c7927a3c NC |
6 | #include "ansidecl.h" |
7 | #include "opcode/rx.h" | |
8 | ||
9 | #define RX_OPCODE_BIG_ENDIAN 0 | |
10 | ||
11 | typedef struct | |
12 | { | |
13 | RX_Opcode_Decoded * rx; | |
14 | int (* getbyte)(void *); | |
15 | void * ptr; | |
16 | unsigned char * op; | |
17 | } LocalData; | |
18 | ||
19 | static int trace = 0; | |
20 | ||
21 | #define BSIZE 0 | |
22 | #define WSIZE 1 | |
23 | #define LSIZE 2 | |
24 | ||
25 | /* These are for when the upper bits are "don't care" or "undefined". */ | |
26 | static int bwl[] = | |
27 | { | |
28 | RX_Byte, | |
29 | RX_Word, | |
30 | RX_Long | |
31 | }; | |
32 | ||
33 | static int sbwl[] = | |
34 | { | |
35 | RX_SByte, | |
36 | RX_SWord, | |
37 | RX_Long | |
38 | }; | |
39 | ||
40 | static int ubwl[] = | |
41 | { | |
42 | RX_UByte, | |
43 | RX_UWord, | |
44 | RX_Long | |
45 | }; | |
46 | ||
47 | static int memex[] = | |
48 | { | |
49 | RX_SByte, | |
50 | RX_SWord, | |
51 | RX_Long, | |
52 | RX_UWord | |
53 | }; | |
54 | ||
55 | #define ID(x) rx->id = RXO_##x | |
56 | #define OP(n,t,r,a) (rx->op[n].type = t, \ | |
57 | rx->op[n].reg = r, \ | |
58 | rx->op[n].addend = a ) | |
59 | #define OPs(n,t,r,a,s) (OP (n,t,r,a), \ | |
60 | rx->op[n].size = s ) | |
61 | ||
62 | /* This is for the BWL and BW bitfields. */ | |
63 | static int SCALE[] = { 1, 2, 4 }; | |
64 | /* This is for the prefix size enum. */ | |
65 | static int PSCALE[] = { 4, 1, 1, 1, 2, 2, 2, 3, 4 }; | |
66 | ||
67 | static int flagmap[] = {0, 1, 2, 3, 0, 0, 0, 0, | |
68 | 16, 17, 0, 0, 0, 0, 0, 0 }; | |
69 | ||
70 | static int dsp3map[] = { 8, 9, 10, 3, 4, 5, 6, 7 }; | |
71 | ||
72 | /* | |
73 | *C a constant (immediate) c | |
74 | *R A register | |
75 | *I Register indirect, no offset | |
76 | *Is Register indirect, with offset | |
77 | *D standard displacement: type (r,[r],dsp8,dsp16 code), register, BWL code | |
78 | *P standard displacement: type (r,[r]), reg, assumes UByte | |
79 | *Pm memex displacement: type (r,[r]), reg, memex code | |
80 | *cc condition code. */ | |
81 | ||
82 | #define DC(c) OP (0, RX_Operand_Immediate, 0, c) | |
83 | #define DR(r) OP (0, RX_Operand_Register, r, 0) | |
84 | #define DI(r,a) OP (0, RX_Operand_Indirect, r, a) | |
85 | #define DIs(r,a,s) OP (0, RX_Operand_Indirect, r, (a) * SCALE[s]) | |
86 | #define DD(t,r,s) rx_disp (0, t, r, bwl[s], ld); | |
87 | #define DF(r) OP (0, RX_Operand_Flag, flagmap[r], 0) | |
88 | ||
89 | #define SC(i) OP (1, RX_Operand_Immediate, 0, i) | |
90 | #define SR(r) OP (1, RX_Operand_Register, r, 0) | |
f9c7014e | 91 | #define SRR(r) OP (1, RX_Operand_TwoReg, r, 0) |
c7927a3c NC |
92 | #define SI(r,a) OP (1, RX_Operand_Indirect, r, a) |
93 | #define SIs(r,a,s) OP (1, RX_Operand_Indirect, r, (a) * SCALE[s]) | |
94 | #define SD(t,r,s) rx_disp (1, t, r, bwl[s], ld); | |
95 | #define SP(t,r) rx_disp (1, t, r, (t!=3) ? RX_UByte : RX_Long, ld); P(t, 1); | |
96 | #define SPm(t,r,m) rx_disp (1, t, r, memex[m], ld); rx->op[1].size = memex[m]; | |
97 | #define Scc(cc) OP (1, RX_Operand_Condition, cc, 0) | |
98 | ||
99 | #define S2C(i) OP (2, RX_Operand_Immediate, 0, i) | |
100 | #define S2R(r) OP (2, RX_Operand_Register, r, 0) | |
101 | #define S2I(r,a) OP (2, RX_Operand_Indirect, r, a) | |
102 | #define S2Is(r,a,s) OP (2, RX_Operand_Indirect, r, (a) * SCALE[s]) | |
103 | #define S2D(t,r,s) rx_disp (2, t, r, bwl[s], ld); | |
104 | #define S2P(t,r) rx_disp (2, t, r, (t!=3) ? RX_UByte : RX_Long, ld); P(t, 2); | |
105 | #define S2Pm(t,r,m) rx_disp (2, t, r, memex[m], ld); rx->op[2].size = memex[m]; | |
106 | #define S2cc(cc) OP (2, RX_Operand_Condition, cc, 0) | |
107 | ||
108 | #define BWL(sz) rx->op[0].size = rx->op[1].size = rx->op[2].size = rx->size = bwl[sz] | |
109 | #define sBWL(sz) rx->op[0].size = rx->op[1].size = rx->op[2].size = rx->size = sbwl[sz] | |
110 | #define uBWL(sz) rx->op[0].size = rx->op[1].size = rx->op[2].size = rx->size = ubwl[sz] | |
111 | #define P(t, n) rx->op[n].size = (t!=3) ? RX_UByte : RX_Long; | |
112 | ||
113 | #define F(f) store_flags(rx, f) | |
114 | ||
115 | #define AU ATTRIBUTE_UNUSED | |
116 | #define GETBYTE() (ld->op [ld->rx->n_bytes++] = ld->getbyte (ld->ptr)) | |
117 | ||
118 | #define SYNTAX(x) rx->syntax = x | |
119 | ||
120 | #define UNSUPPORTED() \ | |
121 | rx->syntax = "*unknown*" | |
122 | ||
123 | #define IMM(sf) immediate (sf, 0, ld) | |
124 | #define IMMex(sf) immediate (sf, 1, ld) | |
125 | ||
126 | static int | |
127 | immediate (int sfield, int ex, LocalData * ld) | |
128 | { | |
129 | unsigned long i = 0, j; | |
130 | ||
131 | switch (sfield) | |
132 | { | |
133 | #define B ((unsigned long) GETBYTE()) | |
134 | case 0: | |
135 | #if RX_OPCODE_BIG_ENDIAN | |
136 | i = B; | |
137 | if (ex && (i & 0x80)) | |
138 | i -= 0x100; | |
139 | i <<= 24; | |
140 | i |= B << 16; | |
141 | i |= B << 8; | |
142 | i |= B; | |
143 | #else | |
144 | i = B; | |
145 | i |= B << 8; | |
146 | i |= B << 16; | |
147 | j = B; | |
148 | if (ex && (j & 0x80)) | |
149 | j -= 0x100; | |
150 | i |= j << 24; | |
151 | #endif | |
152 | break; | |
153 | case 3: | |
154 | #if RX_OPCODE_BIG_ENDIAN | |
155 | i = B << 16; | |
156 | i |= B << 8; | |
157 | i |= B; | |
158 | #else | |
159 | i = B; | |
160 | i |= B << 8; | |
161 | i |= B << 16; | |
162 | #endif | |
163 | if (ex && (i & 0x800000)) | |
164 | i -= 0x1000000; | |
165 | break; | |
166 | case 2: | |
167 | #if RX_OPCODE_BIG_ENDIAN | |
168 | i |= B << 8; | |
169 | i |= B; | |
170 | #else | |
171 | i |= B; | |
172 | i |= B << 8; | |
173 | #endif | |
174 | if (ex && (i & 0x8000)) | |
175 | i -= 0x10000; | |
176 | break; | |
177 | case 1: | |
178 | i |= B; | |
179 | if (ex && (i & 0x80)) | |
180 | i -= 0x100; | |
181 | break; | |
182 | default: | |
183 | abort(); | |
184 | } | |
185 | return i; | |
186 | } | |
187 | ||
188 | static void | |
189 | rx_disp (int n, int type, int reg, int size, LocalData * ld) | |
190 | { | |
191 | int disp; | |
192 | ||
193 | ld->rx->op[n].reg = reg; | |
194 | switch (type) | |
195 | { | |
196 | case 3: | |
197 | ld->rx->op[n].type = RX_Operand_Register; | |
198 | break; | |
199 | case 0: | |
200 | ld->rx->op[n].type = RX_Operand_Indirect; | |
201 | ld->rx->op[n].addend = 0; | |
202 | break; | |
203 | case 1: | |
204 | ld->rx->op[n].type = RX_Operand_Indirect; | |
205 | disp = GETBYTE (); | |
206 | ld->rx->op[n].addend = disp * PSCALE[size]; | |
207 | break; | |
208 | case 2: | |
209 | ld->rx->op[n].type = RX_Operand_Indirect; | |
210 | disp = GETBYTE (); | |
211 | #if RX_OPCODE_BIG_ENDIAN | |
212 | disp = disp * 256 + GETBYTE (); | |
213 | #else | |
214 | disp = disp + GETBYTE () * 256; | |
215 | #endif | |
216 | ld->rx->op[n].addend = disp * PSCALE[size]; | |
217 | break; | |
218 | default: | |
219 | abort (); | |
220 | } | |
221 | } | |
222 | ||
3cf79a01 DD |
223 | #define xO 8 |
224 | #define xS 4 | |
225 | #define xZ 2 | |
226 | #define xC 1 | |
227 | ||
228 | #define F_____ | |
229 | #define F___ZC rx->flags_0 = rx->flags_s = xZ|xC; | |
230 | #define F__SZ_ rx->flags_0 = rx->flags_s = xS|xZ; | |
231 | #define F__SZC rx->flags_0 = rx->flags_s = xS|xZ|xC; | |
232 | #define F_0SZC rx->flags_0 = xO|xS|xZ|xC; rx->flags_s = xS|xZ|xC; | |
233 | #define F_O___ rx->flags_0 = rx->flags_s = xO; | |
234 | #define F_OS__ rx->flags_0 = rx->flags_s = xO|xS; | |
235 | #define F_OSZ_ rx->flags_0 = rx->flags_s = xO|xS|xZ; | |
236 | #define F_OSZC rx->flags_0 = rx->flags_s = xO|xS|xZ|xC; | |
c7927a3c NC |
237 | |
238 | int | |
239 | rx_decode_opcode (unsigned long pc AU, | |
240 | RX_Opcode_Decoded * rx, | |
241 | int (* getbyte)(void *), | |
242 | void * ptr) | |
243 | { | |
244 | LocalData lds, * ld = &lds; | |
245 | unsigned char op[20] = {0}; | |
246 | ||
247 | lds.rx = rx; | |
248 | lds.getbyte = getbyte; | |
249 | lds.ptr = ptr; | |
250 | lds.op = op; | |
251 | ||
252 | memset (rx, 0, sizeof (*rx)); | |
253 | BWL(LSIZE); | |
254 | ||
255 | /** VARY sz 00 01 10 */ | |
256 | ||
257 | /*----------------------------------------------------------------------*/ | |
258 | /* MOV */ | |
259 | ||
260 | /** 0111 0101 0100 rdst mov%s #%1, %0 */ | |
3cf79a01 | 261 | ID(mov); DR(rdst); SC(IMM (1)); F_____; |
c7927a3c NC |
262 | |
263 | /** 1111 10sd rdst im sz mov%s #%1, %0 */ | |
78e98aab DD |
264 | ID(mov); DD(sd, rdst, sz); |
265 | if ((im == 1 && sz == 0) | |
266 | || (im == 2 && sz == 1) | |
267 | || (im == 0 && sz == 2)) | |
268 | { | |
269 | BWL (sz); | |
270 | SC(IMM(im)); | |
271 | } | |
272 | else | |
273 | { | |
274 | sBWL (sz); | |
275 | SC(IMMex(im)); | |
276 | } | |
277 | F_____; | |
c7927a3c NC |
278 | |
279 | /** 0110 0110 immm rdst mov%s #%1, %0 */ | |
3cf79a01 | 280 | ID(mov); DR(rdst); SC(immm); F_____; |
c7927a3c NC |
281 | |
282 | /** 0011 11sz d dst sppp mov%s #%1, %0 */ | |
3cf79a01 | 283 | ID(mov); sBWL (sz); DIs(dst, d*16+sppp, sz); SC(IMM(1)); F_____; |
c7927a3c NC |
284 | |
285 | /** 11sz sd ss rsrc rdst mov%s %1, %0 */ | |
f9c7014e | 286 | if (ss == 3 && sz == 2 && rsrc == 0 && rdst == 0) |
c7927a3c | 287 | { |
f9c7014e | 288 | ID(nop2); |
9887672f | 289 | rx->syntax = "nop"; |
c7927a3c NC |
290 | } |
291 | else | |
292 | { | |
f9c7014e DD |
293 | ID(mov); sBWL(sz); F_____; |
294 | if ((ss == 3) && (sd != 3)) | |
295 | { | |
296 | SD(ss, rdst, sz); DD(sd, rsrc, sz); | |
297 | } | |
298 | else | |
299 | { | |
300 | SD(ss, rsrc, sz); DD(sd, rdst, sz); | |
301 | } | |
c7927a3c NC |
302 | } |
303 | ||
304 | /** 10sz 1dsp a src b dst mov%s %1, %0 */ | |
3cf79a01 | 305 | ID(mov); sBWL(sz); DR(dst); SIs(src, dsp*4+a*2+b, sz); F_____; |
c7927a3c NC |
306 | |
307 | /** 10sz 0dsp a dst b src mov%s %1, %0 */ | |
3cf79a01 | 308 | ID(mov); sBWL(sz); DIs(dst, dsp*4+a*2+b, sz); SR(src); F_____; |
c7927a3c NC |
309 | |
310 | /** 1111 1110 01sz isrc bsrc rdst mov%s [%1, %2], %0 */ | |
f9c7014e | 311 | ID(movbi); sBWL(sz); DR(rdst); SRR(isrc); S2R(bsrc); F_____; |
c7927a3c NC |
312 | |
313 | /** 1111 1110 00sz isrc bsrc rdst mov%s %0, [%1, %2] */ | |
f9c7014e | 314 | ID(movbir); sBWL(sz); DR(rdst); SRR(isrc); S2R(bsrc); F_____; |
c7927a3c NC |
315 | |
316 | /** 1111 1110 11sz isrc bsrc rdst movu%s [%1, %2], %0 */ | |
f9c7014e | 317 | ID(movbi); uBWL(sz); DR(rdst); SRR(isrc); S2R(bsrc); F_____; |
c7927a3c NC |
318 | |
319 | /** 1111 1101 0010 0p sz rdst rsrc mov%s %1, %0 */ | |
3cf79a01 | 320 | ID(mov); sBWL (sz); SR(rsrc); F_____; |
c7927a3c NC |
321 | OP(0, p ? RX_Operand_Predec : RX_Operand_Postinc, rdst, 0); |
322 | ||
323 | /** 1111 1101 0010 1p sz rsrc rdst mov%s %1, %0 */ | |
3cf79a01 | 324 | ID(mov); sBWL (sz); DR(rdst); F_____; |
c7927a3c NC |
325 | OP(1, p ? RX_Operand_Predec : RX_Operand_Postinc, rsrc, 0); |
326 | ||
327 | /** 1011 w dsp a src b dst movu%s %1, %0 */ | |
3cf79a01 | 328 | ID(mov); uBWL(w); DR(dst); SIs(src, dsp*4+a*2+b, w); F_____; |
c7927a3c NC |
329 | |
330 | /** 0101 1 s ss rsrc rdst movu%s %1, %0 */ | |
3cf79a01 | 331 | ID(mov); uBWL(s); SD(ss, rsrc, s); DR(rdst); F_____; |
c7927a3c NC |
332 | |
333 | /** 1111 1101 0011 1p sz rsrc rdst movu%s %1, %0 */ | |
3cf79a01 | 334 | ID(mov); uBWL (sz); DR(rdst); F_____; |
c7927a3c NC |
335 | OP(1, p ? RX_Operand_Predec : RX_Operand_Postinc, rsrc, 0); |
336 | ||
337 | /*----------------------------------------------------------------------*/ | |
338 | /* PUSH/POP */ | |
339 | ||
340 | /** 0110 1111 dsta dstb popm %1-%2 */ | |
3cf79a01 | 341 | ID(popm); SR(dsta); S2R(dstb); F_____; |
c7927a3c NC |
342 | |
343 | /** 0110 1110 dsta dstb pushm %1-%2 */ | |
3cf79a01 | 344 | ID(pushm); SR(dsta); S2R(dstb); F_____; |
c7927a3c NC |
345 | |
346 | /** 0111 1110 1011 rdst pop %0 */ | |
3cf79a01 | 347 | ID(mov); OP(1, RX_Operand_Postinc, 0, 0); DR(rdst); F_____; |
c7927a3c NC |
348 | |
349 | /** 0111 1110 10sz rsrc push%s %1 */ | |
3cf79a01 | 350 | ID(mov); BWL(sz); OP(0, RX_Operand_Predec, 0, 0); SR(rsrc); F_____; |
c7927a3c NC |
351 | |
352 | /** 1111 01ss rsrc 10sz push%s %1 */ | |
3cf79a01 | 353 | ID(mov); BWL(sz); OP(0, RX_Operand_Predec, 0, 0); SD(ss, rsrc, sz); F_____; |
c7927a3c NC |
354 | |
355 | /*----------------------------------------------------------------------*/ | |
356 | /* XCHG */ | |
357 | ||
358 | /** 1111 1100 0100 00ss rsrc rdst xchg %1%S1, %0 */ | |
359 | ID(xchg); DR(rdst); SP(ss, rsrc); | |
360 | ||
361 | /** 0000 0110 mx10 00ss 0001 0000 rsrc rdst xchg %1%S1, %0 */ | |
362 | ID(xchg); DR(rdst); SPm(ss, rsrc, mx); | |
363 | ||
364 | /*----------------------------------------------------------------------*/ | |
365 | /* STZ/STNZ */ | |
366 | ||
367 | /** 1111 1101 0111 im00 1110rdst stz #%1, %0 */ | |
368 | ID(stcc); SC(IMMex(im)); DR(rdst); S2cc(RXC_z); | |
369 | ||
370 | /** 1111 1101 0111 im00 1111rdst stnz #%1, %0 */ | |
371 | ID(stcc); SC(IMMex(im)); DR(rdst); S2cc(RXC_nz); | |
372 | ||
373 | /*----------------------------------------------------------------------*/ | |
374 | /* RTSD */ | |
375 | ||
376 | /** 0110 0111 rtsd #%1 */ | |
377 | ID(rtsd); SC(IMM(1) * 4); | |
378 | ||
379 | /** 0011 1111 rega regb rtsd #%1, %2-%0 */ | |
380 | ID(rtsd); SC(IMM(1) * 4); S2R(rega); DR(regb); | |
381 | ||
382 | /*----------------------------------------------------------------------*/ | |
383 | /* AND */ | |
384 | ||
385 | /** 0110 0100 immm rdst and #%1, %0 */ | |
3cf79a01 | 386 | ID(and); SC(immm); DR(rdst); F__SZ_; |
c7927a3c NC |
387 | |
388 | /** 0111 01im 0010 rdst and #%1, %0 */ | |
3cf79a01 | 389 | ID(and); SC(IMMex(im)); DR(rdst); F__SZ_; |
c7927a3c NC |
390 | |
391 | /** 0101 00ss rsrc rdst and %1%S1, %0 */ | |
3cf79a01 | 392 | ID(and); SP(ss, rsrc); DR(rdst); F__SZ_; |
c7927a3c NC |
393 | |
394 | /** 0000 0110 mx01 00ss rsrc rdst and %1%S1, %0 */ | |
3cf79a01 | 395 | ID(and); SPm(ss, rsrc, mx); DR(rdst); F__SZ_; |
c7927a3c NC |
396 | |
397 | /** 1111 1111 0100 rdst srca srcb and %2, %1, %0 */ | |
3cf79a01 | 398 | ID(and); DR(rdst); SR(srcb); S2R(srca); F__SZ_; |
c7927a3c NC |
399 | |
400 | /*----------------------------------------------------------------------*/ | |
401 | /* OR */ | |
402 | ||
403 | /** 0110 0101 immm rdst or #%1, %0 */ | |
3cf79a01 | 404 | ID(or); SC(immm); DR(rdst); F__SZ_; |
c7927a3c NC |
405 | |
406 | /** 0111 01im 0011 rdst or #%1, %0 */ | |
3cf79a01 | 407 | ID(or); SC(IMMex(im)); DR(rdst); F__SZ_; |
c7927a3c NC |
408 | |
409 | /** 0101 01ss rsrc rdst or %1%S1, %0 */ | |
3cf79a01 | 410 | ID(or); SP(ss, rsrc); DR(rdst); F__SZ_; |
c7927a3c NC |
411 | |
412 | /** 0000 0110 mx01 01ss rsrc rdst or %1%S1, %0 */ | |
3cf79a01 | 413 | ID(or); SPm(ss, rsrc, mx); DR(rdst); F__SZ_; |
c7927a3c NC |
414 | |
415 | /** 1111 1111 0101 rdst srca srcb or %2, %1, %0 */ | |
3cf79a01 | 416 | ID(or); DR(rdst); SR(srcb); S2R(srca); F__SZ_; |
c7927a3c NC |
417 | |
418 | /*----------------------------------------------------------------------*/ | |
419 | /* XOR */ | |
420 | ||
421 | /** 1111 1101 0111 im00 1101rdst xor #%1, %0 */ | |
3cf79a01 | 422 | ID(xor); SC(IMMex(im)); DR(rdst); F__SZ_; |
c7927a3c NC |
423 | |
424 | /** 1111 1100 0011 01ss rsrc rdst xor %1%S1, %0 */ | |
3cf79a01 | 425 | ID(xor); SP(ss, rsrc); DR(rdst); F__SZ_; |
c7927a3c NC |
426 | |
427 | /** 0000 0110 mx10 00ss 0000 1101 rsrc rdst xor %1%S1, %0 */ | |
3cf79a01 | 428 | ID(xor); SPm(ss, rsrc, mx); DR(rdst); F__SZ_; |
c7927a3c NC |
429 | |
430 | /*----------------------------------------------------------------------*/ | |
431 | /* NOT */ | |
432 | ||
433 | /** 0111 1110 0000 rdst not %0 */ | |
3cf79a01 | 434 | ID(xor); DR(rdst); SR(rdst); S2C(~0); F__SZ_; |
c7927a3c NC |
435 | |
436 | /** 1111 1100 0011 1011 rsrc rdst not %1, %0 */ | |
3cf79a01 | 437 | ID(xor); DR(rdst); SR(rsrc); S2C(~0); F__SZ_; |
c7927a3c NC |
438 | |
439 | /*----------------------------------------------------------------------*/ | |
440 | /* TST */ | |
441 | ||
442 | /** 1111 1101 0111 im00 1100rdst tst #%1, %2 */ | |
3cf79a01 | 443 | ID(and); SC(IMMex(im)); S2R(rdst); F__SZ_; |
c7927a3c NC |
444 | |
445 | /** 1111 1100 0011 00ss rsrc rdst tst %1%S1, %2 */ | |
3cf79a01 | 446 | ID(and); SP(ss, rsrc); S2R(rdst); F__SZ_; |
c7927a3c NC |
447 | |
448 | /** 0000 0110 mx10 00ss 0000 1100 rsrc rdst tst %1%S1, %2 */ | |
3cf79a01 | 449 | ID(and); SPm(ss, rsrc, mx); S2R(rdst); F__SZ_; |
c7927a3c NC |
450 | |
451 | /*----------------------------------------------------------------------*/ | |
452 | /* NEG */ | |
453 | ||
454 | /** 0111 1110 0001 rdst neg %0 */ | |
3cf79a01 | 455 | ID(sub); DR(rdst); SC(0); S2R(rdst); F_OSZC; |
c7927a3c NC |
456 | |
457 | /** 1111 1100 0000 0111 rsrc rdst neg %2, %0 */ | |
3cf79a01 | 458 | ID(sub); DR(rdst); SC(0); S2R(rsrc); F_OSZC; |
c7927a3c NC |
459 | |
460 | /*----------------------------------------------------------------------*/ | |
461 | /* ADC */ | |
462 | ||
463 | /** 1111 1101 0111 im00 0010rdst adc #%1, %0 */ | |
3cf79a01 | 464 | ID(adc); SC(IMMex(im)); DR(rdst); F_OSZC; |
c7927a3c NC |
465 | |
466 | /** 1111 1100 0000 1011 rsrc rdst adc %1, %0 */ | |
3cf79a01 | 467 | ID(adc); SR(rsrc); DR(rdst); F_OSZC; |
c7927a3c NC |
468 | |
469 | /** 0000 0110 1010 00ss 0000 0010 rsrc rdst adc %1%S1, %0 */ | |
3cf79a01 | 470 | ID(adc); SPm(ss, rsrc, 2); DR(rdst); F_OSZC; |
c7927a3c NC |
471 | |
472 | /*----------------------------------------------------------------------*/ | |
473 | /* ADD */ | |
474 | ||
475 | /** 0110 0010 immm rdst add #%1, %0 */ | |
3cf79a01 | 476 | ID(add); SC(immm); DR(rdst); F_OSZC; |
c7927a3c NC |
477 | |
478 | /** 0100 10ss rsrc rdst add %1%S1, %0 */ | |
3cf79a01 | 479 | ID(add); SP(ss, rsrc); DR(rdst); F_OSZC; |
c7927a3c NC |
480 | |
481 | /** 0000 0110 mx00 10ss rsrc rdst add %1%S1, %0 */ | |
3cf79a01 | 482 | ID(add); SPm(ss, rsrc, mx); DR(rdst); F_OSZC; |
c7927a3c NC |
483 | |
484 | /** 0111 00im rsrc rdst add #%1, %2, %0 */ | |
3cf79a01 | 485 | ID(add); SC(IMMex(im)); S2R(rsrc); DR(rdst); F_OSZC; |
c7927a3c NC |
486 | |
487 | /** 1111 1111 0010 rdst srca srcb add %2, %1, %0 */ | |
3cf79a01 | 488 | ID(add); DR(rdst); SR(srcb); S2R(srca); F_OSZC; |
c7927a3c NC |
489 | |
490 | /*----------------------------------------------------------------------*/ | |
491 | /* CMP */ | |
492 | ||
493 | /** 0110 0001 immm rdst cmp #%2, %1 */ | |
3cf79a01 | 494 | ID(sub); S2C(immm); SR(rdst); F_OSZC; |
c7927a3c NC |
495 | |
496 | /** 0111 01im 0000 rsrc cmp #%2, %1%S1 */ | |
3cf79a01 | 497 | ID(sub); SR(rsrc); S2C(IMMex(im)); F_OSZC; |
c7927a3c NC |
498 | |
499 | /** 0111 0101 0101 rsrc cmp #%2, %1 */ | |
3cf79a01 | 500 | ID(sub); SR(rsrc); S2C(IMM(1)); F_OSZC; |
c7927a3c NC |
501 | |
502 | /** 0100 01ss rsrc rdst cmp %2%S2, %1 */ | |
3cf79a01 | 503 | ID(sub); S2P(ss, rsrc); SR(rdst); F_OSZC; |
c7927a3c NC |
504 | |
505 | /** 0000 0110 mx00 01ss rsrc rdst cmp %2%S2, %1 */ | |
3cf79a01 | 506 | ID(sub); S2Pm(ss, rsrc, mx); SR(rdst); F_OSZC; |
c7927a3c NC |
507 | |
508 | /*----------------------------------------------------------------------*/ | |
509 | /* SUB */ | |
510 | ||
511 | /** 0110 0000 immm rdst sub #%2, %0 */ | |
3cf79a01 | 512 | ID(sub); S2C(immm); SR(rdst); DR(rdst); F_OSZC; |
c7927a3c NC |
513 | |
514 | /** 0100 00ss rsrc rdst sub %2%S2, %1 */ | |
3cf79a01 | 515 | ID(sub); S2P(ss, rsrc); SR(rdst); DR(rdst); F_OSZC; |
c7927a3c NC |
516 | |
517 | /** 0000 0110 mx00 00ss rsrc rdst sub %2%S2, %1 */ | |
3cf79a01 | 518 | ID(sub); S2Pm(ss, rsrc, mx); SR(rdst); DR(rdst); F_OSZC; |
c7927a3c NC |
519 | |
520 | /** 1111 1111 0000 rdst srca srcb sub %2, %1, %0 */ | |
3cf79a01 | 521 | ID(sub); DR(rdst); SR(srcb); S2R(srca); F_OSZC; |
c7927a3c NC |
522 | |
523 | /*----------------------------------------------------------------------*/ | |
524 | /* SBB */ | |
525 | ||
526 | /** 1111 1100 0000 0011 rsrc rdst sbb %1, %0 */ | |
3cf79a01 | 527 | ID(sbb); SR (rsrc); DR(rdst); F_OSZC; |
c7927a3c NC |
528 | |
529 | /* FIXME: only supports .L */ | |
530 | /** 0000 0110 mx10 00sp 0000 0000 rsrc rdst sbb %1%S1, %0 */ | |
3cf79a01 | 531 | ID(sbb); SPm(sp, rsrc, mx); DR(rdst); F_OSZC; |
c7927a3c NC |
532 | |
533 | /*----------------------------------------------------------------------*/ | |
534 | /* ABS */ | |
535 | ||
536 | /** 0111 1110 0010 rdst abs %0 */ | |
3cf79a01 | 537 | ID(abs); DR(rdst); SR(rdst); F_OSZ_; |
c7927a3c NC |
538 | |
539 | /** 1111 1100 0000 1111 rsrc rdst abs %1, %0 */ | |
3cf79a01 | 540 | ID(abs); DR(rdst); SR(rsrc); F_OSZ_; |
c7927a3c NC |
541 | |
542 | /*----------------------------------------------------------------------*/ | |
543 | /* MAX */ | |
544 | ||
545 | /** 1111 1101 0111 im00 0100rdst max #%1, %0 */ | |
546 | ID(max); DR(rdst); SC(IMMex(im)); | |
547 | ||
548 | /** 1111 1100 0001 00ss rsrc rdst max %1%S1, %0 */ | |
f9c7014e DD |
549 | if (ss == 3 && rsrc == 0 && rdst == 0) |
550 | { | |
551 | ID(nop3); | |
9887672f | 552 | rx->syntax = "nop"; |
f9c7014e DD |
553 | } |
554 | else | |
555 | { | |
556 | ID(max); SP(ss, rsrc); DR(rdst); | |
557 | } | |
c7927a3c NC |
558 | |
559 | /** 0000 0110 mx10 00ss 0000 0100 rsrc rdst max %1%S1, %0 */ | |
560 | ID(max); SPm(ss, rsrc, mx); DR(rdst); | |
561 | ||
562 | /*----------------------------------------------------------------------*/ | |
563 | /* MIN */ | |
564 | ||
565 | /** 1111 1101 0111 im00 0101rdst min #%1, %0 */ | |
566 | ID(min); DR(rdst); SC(IMMex(im)); | |
567 | ||
568 | /** 1111 1100 0001 01ss rsrc rdst min %1%S1, %0 */ | |
569 | ID(min); SP(ss, rsrc); DR(rdst); | |
570 | ||
571 | /** 0000 0110 mx10 00ss 0000 0101 rsrc rdst min %1%S1, %0 */ | |
572 | ID(min); SPm(ss, rsrc, mx); DR(rdst); | |
573 | ||
574 | /*----------------------------------------------------------------------*/ | |
575 | /* MUL */ | |
576 | ||
577 | /** 0110 0011 immm rdst mul #%1, %0 */ | |
3cf79a01 | 578 | ID(mul); DR(rdst); SC(immm); F_____; |
c7927a3c NC |
579 | |
580 | /** 0111 01im 0001rdst mul #%1, %0 */ | |
3cf79a01 | 581 | ID(mul); DR(rdst); SC(IMMex(im)); F_____; |
c7927a3c NC |
582 | |
583 | /** 0100 11ss rsrc rdst mul %1%S1, %0 */ | |
3cf79a01 | 584 | ID(mul); SP(ss, rsrc); DR(rdst); F_____; |
c7927a3c NC |
585 | |
586 | /** 0000 0110 mx00 11ss rsrc rdst mul %1%S1, %0 */ | |
3cf79a01 | 587 | ID(mul); SPm(ss, rsrc, mx); DR(rdst); F_____; |
c7927a3c NC |
588 | |
589 | /** 1111 1111 0011 rdst srca srcb mul %2, %1, %0 */ | |
3cf79a01 | 590 | ID(mul); DR(rdst); SR(srcb); S2R(srca); F_____; |
c7927a3c NC |
591 | |
592 | /*----------------------------------------------------------------------*/ | |
593 | /* EMUL */ | |
594 | ||
595 | /** 1111 1101 0111 im00 0110rdst emul #%1, %0 */ | |
596 | ID(emul); DR(rdst); SC(IMMex(im)); | |
597 | ||
598 | /** 1111 1100 0001 10ss rsrc rdst emul %1%S1, %0 */ | |
599 | ID(emul); SP(ss, rsrc); DR(rdst); | |
600 | ||
601 | /** 0000 0110 mx10 00ss 0000 0110 rsrc rdst emul %1%S1, %0 */ | |
602 | ID(emul); SPm(ss, rsrc, mx); DR(rdst); | |
603 | ||
604 | /*----------------------------------------------------------------------*/ | |
605 | /* EMULU */ | |
606 | ||
607 | /** 1111 1101 0111 im00 0111rdst emulu #%1, %0 */ | |
608 | ID(emulu); DR(rdst); SC(IMMex(im)); | |
609 | ||
610 | /** 1111 1100 0001 11ss rsrc rdst emulu %1%S1, %0 */ | |
611 | ID(emulu); SP(ss, rsrc); DR(rdst); | |
612 | ||
613 | /** 0000 0110 mx10 00ss 0000 0111 rsrc rdst emulu %1%S1, %0 */ | |
614 | ID(emulu); SPm(ss, rsrc, mx); DR(rdst); | |
615 | ||
616 | /*----------------------------------------------------------------------*/ | |
617 | /* DIV */ | |
618 | ||
619 | /** 1111 1101 0111 im00 1000rdst div #%1, %0 */ | |
3cf79a01 | 620 | ID(div); DR(rdst); SC(IMMex(im)); F_O___; |
c7927a3c NC |
621 | |
622 | /** 1111 1100 0010 00ss rsrc rdst div %1%S1, %0 */ | |
3cf79a01 | 623 | ID(div); SP(ss, rsrc); DR(rdst); F_O___; |
c7927a3c NC |
624 | |
625 | /** 0000 0110 mx10 00ss 0000 1000 rsrc rdst div %1%S1, %0 */ | |
3cf79a01 | 626 | ID(div); SPm(ss, rsrc, mx); DR(rdst); F_O___; |
c7927a3c NC |
627 | |
628 | /*----------------------------------------------------------------------*/ | |
629 | /* DIVU */ | |
630 | ||
631 | /** 1111 1101 0111 im00 1001rdst divu #%1, %0 */ | |
3cf79a01 | 632 | ID(divu); DR(rdst); SC(IMMex(im)); F_O___; |
c7927a3c NC |
633 | |
634 | /** 1111 1100 0010 01ss rsrc rdst divu %1%S1, %0 */ | |
3cf79a01 | 635 | ID(divu); SP(ss, rsrc); DR(rdst); F_O___; |
c7927a3c NC |
636 | |
637 | /** 0000 0110 mx10 00ss 0000 1001 rsrc rdst divu %1%S1, %0 */ | |
3cf79a01 | 638 | ID(divu); SPm(ss, rsrc, mx); DR(rdst); F_O___; |
c7927a3c NC |
639 | |
640 | /*----------------------------------------------------------------------*/ | |
641 | /* SHIFT */ | |
642 | ||
643 | /** 0110 110i mmmm rdst shll #%2, %0 */ | |
3cf79a01 | 644 | ID(shll); S2C(i*16+mmmm); SR(rdst); DR(rdst); F_OSZC; |
c7927a3c NC |
645 | |
646 | /** 1111 1101 0110 0010 rsrc rdst shll %2, %0 */ | |
3cf79a01 | 647 | ID(shll); S2R(rsrc); SR(rdst); DR(rdst); F_OSZC; |
c7927a3c NC |
648 | |
649 | /** 1111 1101 110immmm rsrc rdst shll #%2, %1, %0 */ | |
3cf79a01 | 650 | ID(shll); S2C(immmm); SR(rsrc); DR(rdst); F_OSZC; |
c7927a3c NC |
651 | |
652 | ||
653 | /** 0110 101i mmmm rdst shar #%2, %0 */ | |
3cf79a01 | 654 | ID(shar); S2C(i*16+mmmm); SR(rdst); DR(rdst); F_0SZC; |
c7927a3c NC |
655 | |
656 | /** 1111 1101 0110 0001 rsrc rdst shar %2, %0 */ | |
3cf79a01 | 657 | ID(shar); S2R(rsrc); SR(rdst); DR(rdst); F_0SZC; |
c7927a3c NC |
658 | |
659 | /** 1111 1101 101immmm rsrc rdst shar #%2, %1, %0 */ | |
3cf79a01 | 660 | ID(shar); S2C(immmm); SR(rsrc); DR(rdst); F_0SZC; |
c7927a3c NC |
661 | |
662 | ||
663 | /** 0110 100i mmmm rdst shlr #%2, %0 */ | |
3cf79a01 | 664 | ID(shlr); S2C(i*16+mmmm); SR(rdst); DR(rdst); F__SZC; |
c7927a3c NC |
665 | |
666 | /** 1111 1101 0110 0000 rsrc rdst shlr %2, %0 */ | |
3cf79a01 | 667 | ID(shlr); S2R(rsrc); SR(rdst); DR(rdst); F__SZC; |
c7927a3c NC |
668 | |
669 | /** 1111 1101 100immmm rsrc rdst shlr #%2, %1, %0 */ | |
3cf79a01 | 670 | ID(shlr); S2C(immmm); SR(rsrc); DR(rdst); F__SZC; |
c7927a3c NC |
671 | |
672 | /*----------------------------------------------------------------------*/ | |
673 | /* ROTATE */ | |
674 | ||
675 | /** 0111 1110 0101 rdst rolc %0 */ | |
3cf79a01 | 676 | ID(rolc); DR(rdst); F__SZC; |
c7927a3c NC |
677 | |
678 | /** 0111 1110 0100 rdst rorc %0 */ | |
3cf79a01 | 679 | ID(rorc); DR(rdst); F__SZC; |
c7927a3c NC |
680 | |
681 | /** 1111 1101 0110 111i mmmm rdst rotl #%1, %0 */ | |
3cf79a01 | 682 | ID(rotl); SC(i*16+mmmm); DR(rdst); F__SZC; |
c7927a3c NC |
683 | |
684 | /** 1111 1101 0110 0110 rsrc rdst rotl %1, %0 */ | |
3cf79a01 | 685 | ID(rotl); SR(rsrc); DR(rdst); F__SZC; |
c7927a3c NC |
686 | |
687 | /** 1111 1101 0110 110i mmmm rdst rotr #%1, %0 */ | |
3cf79a01 | 688 | ID(rotr); SC(i*16+mmmm); DR(rdst); F__SZC; |
c7927a3c NC |
689 | |
690 | /** 1111 1101 0110 0100 rsrc rdst rotr %1, %0 */ | |
3cf79a01 | 691 | ID(rotr); SR(rsrc); DR(rdst); F__SZC; |
c7927a3c NC |
692 | |
693 | /** 1111 1101 0110 0101 rsrc rdst revw %1, %0 */ | |
694 | ID(revw); SR(rsrc); DR(rdst); | |
695 | ||
696 | /** 1111 1101 0110 0111 rsrc rdst revl %1, %0 */ | |
697 | ID(revl); SR(rsrc); DR(rdst); | |
698 | ||
699 | /*----------------------------------------------------------------------*/ | |
700 | /* BRANCH */ | |
701 | ||
702 | /** 0001 n dsp b%1.s %a0 */ | |
703 | ID(branch); Scc(n); DC(pc + dsp3map[dsp]); | |
704 | ||
705 | /** 0010 cond b%1.b %a0 */ | |
706 | ID(branch); Scc(cond); DC(pc + IMMex (1)); | |
707 | ||
708 | /** 0011 101c b%1.w %a0 */ | |
709 | ID(branch); Scc(c); DC(pc + IMMex (2)); | |
710 | ||
711 | ||
712 | /** 0000 1dsp bra.s %a0 */ | |
f9c7014e | 713 | ID(branch); DC(pc + dsp3map[dsp]); |
c7927a3c NC |
714 | |
715 | /** 0010 1110 bra.b %a0 */ | |
f9c7014e | 716 | ID(branch); DC(pc + IMMex(1)); |
c7927a3c NC |
717 | |
718 | /** 0011 1000 bra.w %a0 */ | |
f9c7014e | 719 | ID(branch); DC(pc + IMMex(2)); |
c7927a3c NC |
720 | |
721 | /** 0000 0100 bra.a %a0 */ | |
f9c7014e | 722 | ID(branch); DC(pc + IMMex(3)); |
c7927a3c NC |
723 | |
724 | /** 0111 1111 0100 rsrc bra.l %0 */ | |
f9c7014e | 725 | ID(branchrel); DR(rsrc); |
c7927a3c NC |
726 | |
727 | ||
728 | /** 0111 1111 0000 rsrc jmp %0 */ | |
f9c7014e | 729 | ID(branch); DR(rsrc); |
c7927a3c NC |
730 | |
731 | /** 0111 1111 0001 rsrc jsr %0 */ | |
732 | ID(jsr); DR(rsrc); | |
733 | ||
734 | /** 0011 1001 bsr.w %a0 */ | |
735 | ID(jsr); DC(pc + IMMex(2)); | |
736 | ||
737 | /** 0000 0101 bsr.a %a0 */ | |
738 | ID(jsr); DC(pc + IMMex(3)); | |
739 | ||
740 | /** 0111 1111 0101 rsrc bsr.l %0 */ | |
741 | ID(jsrrel); DR(rsrc); | |
742 | ||
743 | /** 0000 0010 rts */ | |
744 | ID(rts); | |
745 | ||
746 | /*----------------------------------------------------------------------*/ | |
747 | /* NOP */ | |
748 | ||
749 | /** 0000 0011 nop */ | |
750 | ID(nop); | |
751 | ||
752 | /*----------------------------------------------------------------------*/ | |
753 | /* STRING FUNCTIONS */ | |
754 | ||
755 | /** 0111 1111 1000 0011 scmpu */ | |
3cf79a01 | 756 | ID(scmpu); F___ZC; |
c7927a3c NC |
757 | |
758 | /** 0111 1111 1000 0111 smovu */ | |
759 | ID(smovu); | |
760 | ||
761 | /** 0111 1111 1000 1011 smovb */ | |
762 | ID(smovb); | |
763 | ||
764 | /** 0111 1111 1000 00sz suntil%s */ | |
3cf79a01 | 765 | ID(suntil); BWL(sz); F___ZC; |
c7927a3c NC |
766 | |
767 | /** 0111 1111 1000 01sz swhile%s */ | |
3cf79a01 | 768 | ID(swhile); BWL(sz); F___ZC; |
c7927a3c NC |
769 | |
770 | /** 0111 1111 1000 1111 smovf */ | |
771 | ID(smovf); | |
772 | ||
773 | /** 0111 1111 1000 10sz sstr%s */ | |
774 | ID(sstr); BWL(sz); | |
775 | ||
776 | /*----------------------------------------------------------------------*/ | |
777 | /* RMPA */ | |
778 | ||
779 | /** 0111 1111 1000 11sz rmpa%s */ | |
3cf79a01 | 780 | ID(rmpa); BWL(sz); F_OS__; |
c7927a3c NC |
781 | |
782 | /*----------------------------------------------------------------------*/ | |
783 | /* HI/LO stuff */ | |
784 | ||
785 | /** 1111 1101 0000 0000 srca srcb mulhi %1, %2 */ | |
3cf79a01 | 786 | ID(mulhi); SR(srca); S2R(srcb); F_____; |
c7927a3c NC |
787 | |
788 | /** 1111 1101 0000 0001 srca srcb mullo %1, %2 */ | |
3cf79a01 | 789 | ID(mullo); SR(srca); S2R(srcb); F_____; |
c7927a3c NC |
790 | |
791 | /** 1111 1101 0000 0100 srca srcb machi %1, %2 */ | |
3cf79a01 | 792 | ID(machi); SR(srca); S2R(srcb); F_____; |
c7927a3c NC |
793 | |
794 | /** 1111 1101 0000 0101 srca srcb maclo %1, %2 */ | |
3cf79a01 | 795 | ID(maclo); SR(srca); S2R(srcb); F_____; |
c7927a3c NC |
796 | |
797 | /** 1111 1101 0001 0111 0000 rsrc mvtachi %1 */ | |
3cf79a01 | 798 | ID(mvtachi); SR(rsrc); F_____; |
c7927a3c NC |
799 | |
800 | /** 1111 1101 0001 0111 0001 rsrc mvtaclo %1 */ | |
3cf79a01 | 801 | ID(mvtaclo); SR(rsrc); F_____; |
c7927a3c NC |
802 | |
803 | /** 1111 1101 0001 1111 0000 rdst mvfachi %0 */ | |
3cf79a01 | 804 | ID(mvfachi); DR(rdst); F_____; |
c7927a3c NC |
805 | |
806 | /** 1111 1101 0001 1111 0010 rdst mvfacmi %0 */ | |
3cf79a01 | 807 | ID(mvfacmi); DR(rdst); F_____; |
c7927a3c NC |
808 | |
809 | /** 1111 1101 0001 1111 0001 rdst mvfaclo %0 */ | |
3cf79a01 | 810 | ID(mvfaclo); DR(rdst); F_____; |
c7927a3c NC |
811 | |
812 | /** 1111 1101 0001 1000 000i 0000 racw #%1 */ | |
3cf79a01 | 813 | ID(racw); SC(i+1); F_____; |
c7927a3c NC |
814 | |
815 | /*----------------------------------------------------------------------*/ | |
816 | /* SAT */ | |
817 | ||
818 | /** 0111 1110 0011 rdst sat %0 */ | |
819 | ID(sat); DR (rdst); | |
820 | ||
821 | /** 0111 1111 1001 0011 satr */ | |
822 | ID(satr); | |
823 | ||
824 | /*----------------------------------------------------------------------*/ | |
825 | /* FLOAT */ | |
826 | ||
827 | /** 1111 1101 0111 0010 0010 rdst fadd #%1, %0 */ | |
3cf79a01 | 828 | ID(fadd); DR(rdst); SC(IMM(0)); F__SZ_; |
c7927a3c NC |
829 | |
830 | /** 1111 1100 1000 10sd rsrc rdst fadd %1%S1, %0 */ | |
3cf79a01 | 831 | ID(fadd); DR(rdst); SD(sd, rsrc, LSIZE); F__SZ_; |
c7927a3c NC |
832 | |
833 | /** 1111 1101 0111 0010 0001 rdst fcmp #%1, %0 */ | |
3cf79a01 | 834 | ID(fcmp); DR(rdst); SC(IMM(0)); F_OSZ_; |
c7927a3c NC |
835 | |
836 | /** 1111 1100 1000 01sd rsrc rdst fcmp %1%S1, %0 */ | |
3cf79a01 | 837 | ID(fcmp); DR(rdst); SD(sd, rsrc, LSIZE); F_OSZ_; |
c7927a3c NC |
838 | |
839 | /** 1111 1101 0111 0010 0000 rdst fsub #%1, %0 */ | |
3cf79a01 | 840 | ID(fsub); DR(rdst); SC(IMM(0)); F__SZ_; |
c7927a3c NC |
841 | |
842 | /** 1111 1100 1000 00sd rsrc rdst fsub %1%S1, %0 */ | |
3cf79a01 | 843 | ID(fsub); DR(rdst); SD(sd, rsrc, LSIZE); F__SZ_; |
c7927a3c NC |
844 | |
845 | /** 1111 1100 1001 01sd rsrc rdst ftoi %1%S1, %0 */ | |
3cf79a01 | 846 | ID(ftoi); DR(rdst); SD(sd, rsrc, LSIZE); F__SZ_; |
c7927a3c NC |
847 | |
848 | /** 1111 1101 0111 0010 0011 rdst fmul #%1, %0 */ | |
3cf79a01 | 849 | ID(fmul); DR(rdst); SC(IMM(0)); F__SZ_; |
c7927a3c NC |
850 | |
851 | /** 1111 1100 1000 11sd rsrc rdst fmul %1%S1, %0 */ | |
3cf79a01 | 852 | ID(fmul); DR(rdst); SD(sd, rsrc, LSIZE); F__SZ_; |
c7927a3c NC |
853 | |
854 | /** 1111 1101 0111 0010 0100 rdst fdiv #%1, %0 */ | |
3cf79a01 | 855 | ID(fdiv); DR(rdst); SC(IMM(0)); F__SZ_; |
c7927a3c NC |
856 | |
857 | /** 1111 1100 1001 00sd rsrc rdst fdiv %1%S1, %0 */ | |
3cf79a01 | 858 | ID(fdiv); DR(rdst); SD(sd, rsrc, LSIZE); F__SZ_; |
c7927a3c NC |
859 | |
860 | /** 1111 1100 1001 10sd rsrc rdst round %1%S1, %0 */ | |
3cf79a01 | 861 | ID(round); DR(rdst); SD(sd, rsrc, LSIZE); F__SZ_; |
c7927a3c NC |
862 | |
863 | /** 1111 1100 0100 01sd rsrc rdst itof %1%S1, %0 */ | |
3cf79a01 | 864 | ID(itof); DR (rdst); SP(sd, rsrc); F__SZ_; |
c7927a3c NC |
865 | |
866 | /** 0000 0110 mx10 00sd 0001 0001 rsrc rdst itof %1%S1, %0 */ | |
3cf79a01 | 867 | ID(itof); DR (rdst); SPm(sd, rsrc, mx); F__SZ_; |
c7927a3c NC |
868 | |
869 | /*----------------------------------------------------------------------*/ | |
870 | /* BIT OPS */ | |
871 | ||
872 | /** 1111 00sd rdst 0bit bset #%1, %0%S0 */ | |
3cf79a01 | 873 | ID(bset); BWL(BSIZE); SC(bit); DD(sd, rdst, BSIZE); F_____; |
c7927a3c NC |
874 | |
875 | /** 1111 1100 0110 00sd rdst rsrc bset %1, %0%S0 */ | |
3cf79a01 | 876 | ID(bset); BWL(BSIZE); SR(rsrc); DD(sd, rdst, BSIZE); F_____; |
c7927a3c NC |
877 | |
878 | /** 0111 100b ittt rdst bset #%1, %0 */ | |
3cf79a01 | 879 | ID(bset); BWL(LSIZE); SC(b*16+ittt); DR(rdst); F_____; |
c7927a3c NC |
880 | |
881 | ||
882 | /** 1111 00sd rdst 1bit bclr #%1, %0%S0 */ | |
3cf79a01 | 883 | ID(bclr); BWL(BSIZE); SC(bit); DD(sd, rdst, BSIZE); F_____; |
c7927a3c NC |
884 | |
885 | /** 1111 1100 0110 01sd rdst rsrc bclr %1, %0%S0 */ | |
3cf79a01 | 886 | ID(bclr); BWL(BSIZE); SR(rsrc); DD(sd, rdst, BSIZE); F_____; |
c7927a3c NC |
887 | |
888 | /** 0111 101b ittt rdst bclr #%1, %0 */ | |
3cf79a01 | 889 | ID(bclr); BWL(LSIZE); SC(b*16+ittt); DR(rdst); F_____; |
c7927a3c NC |
890 | |
891 | ||
892 | /** 1111 01sd rdst 0bit btst #%2, %1%S1 */ | |
3cf79a01 | 893 | ID(btst); BWL(BSIZE); S2C(bit); SD(sd, rdst, BSIZE); F___ZC; |
c7927a3c NC |
894 | |
895 | /** 1111 1100 0110 10sd rdst rsrc btst %2, %1%S1 */ | |
3cf79a01 | 896 | ID(btst); BWL(BSIZE); S2R(rsrc); SD(sd, rdst, BSIZE); F___ZC; |
c7927a3c NC |
897 | |
898 | /** 0111 110b ittt rdst btst #%2, %1 */ | |
3cf79a01 | 899 | ID(btst); BWL(LSIZE); S2C(b*16+ittt); SR(rdst); F___ZC; |
c7927a3c NC |
900 | |
901 | ||
902 | /** 1111 1100 111bit sd rdst 1111 bnot #%1, %0%S0 */ | |
903 | ID(bnot); BWL(BSIZE); SC(bit); DD(sd, rdst, BSIZE); | |
904 | ||
905 | /** 1111 1100 0110 11sd rdst rsrc bnot %1, %0%S0 */ | |
906 | ID(bnot); BWL(BSIZE); SR(rsrc); DD(sd, rdst, BSIZE); | |
907 | ||
908 | /** 1111 1101 111bittt 1111 rdst bnot #%1, %0 */ | |
909 | ID(bnot); BWL(LSIZE); SC(bittt); DR(rdst); | |
910 | ||
911 | ||
912 | /** 1111 1100 111bit sd rdst cond bm%2 #%1, %0%S0 */ | |
913 | ID(bmcc); BWL(BSIZE); S2cc(cond); SC(bit); DD(sd, rdst, BSIZE); | |
914 | ||
915 | /** 1111 1101 111 bittt cond rdst bm%2 #%1, %0%S0 */ | |
916 | ID(bmcc); BWL(LSIZE); S2cc(cond); SC(bittt); DR(rdst); | |
917 | ||
918 | /*----------------------------------------------------------------------*/ | |
919 | /* CONTROL REGISTERS */ | |
920 | ||
921 | /** 0111 1111 1011 rdst clrpsw %0 */ | |
922 | ID(clrpsw); DF(rdst); | |
923 | ||
924 | /** 0111 1111 1010 rdst setpsw %0 */ | |
925 | ID(setpsw); DF(rdst); | |
926 | ||
0d734b5d DD |
927 | /** 0111 0101 0111 0000 0000 immm mvtipl #%1 */ |
928 | ID(mvtipl); SC(immm); | |
929 | ||
c7927a3c NC |
930 | /** 0111 1110 111 crdst popc %0 */ |
931 | ID(mov); OP(1, RX_Operand_Postinc, 0, 0); DR(crdst + 16); | |
932 | ||
933 | /** 0111 1110 110 crsrc pushc %1 */ | |
934 | ID(mov); OP(0, RX_Operand_Predec, 0, 0); SR(crsrc + 16); | |
935 | ||
936 | /** 1111 1101 0111 im11 000crdst mvtc #%1, %0 */ | |
937 | ID(mov); SC(IMMex(im)); DR(crdst + 16); | |
938 | ||
939 | /** 1111 1101 0110 100c rsrc rdst mvtc %1, %0 */ | |
940 | ID(mov); SR(rsrc); DR(c*16+rdst + 16); | |
941 | ||
942 | /** 1111 1101 0110 101s rsrc rdst mvfc %1, %0 */ | |
943 | ID(mov); SR((s*16+rsrc) + 16); DR(rdst); | |
944 | ||
c7927a3c NC |
945 | /*----------------------------------------------------------------------*/ |
946 | /* INTERRUPTS */ | |
947 | ||
948 | /** 0111 1111 1001 0100 rtfi */ | |
949 | ID(rtfi); | |
950 | ||
951 | /** 0111 1111 1001 0101 rte */ | |
952 | ID(rte); | |
953 | ||
954 | /** 0000 0000 brk */ | |
955 | ID(brk); | |
956 | ||
957 | /** 0000 0001 dbt */ | |
958 | ID(dbt); | |
959 | ||
960 | /** 0111 0101 0110 0000 int #%1 */ | |
961 | ID(int); SC(IMM(1)); | |
962 | ||
963 | /** 0111 1111 1001 0110 wait */ | |
964 | ID(wait); | |
965 | ||
966 | /*----------------------------------------------------------------------*/ | |
967 | /* SCcnd */ | |
968 | ||
969 | /** 1111 1100 1101 sz sd rdst cond sc%1%s %0 */ | |
970 | ID(sccnd); BWL(sz); DD (sd, rdst, sz); Scc(cond); | |
971 | ||
972 | /** */ | |
973 | ||
974 | return rx->n_bytes; | |
975 | } |