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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 */ | |
3cf79a01 | 265 | ID(mov); sBWL (sz); DD(sd, rdst, sz); SC(IMMex(im)); F_____; |
c7927a3c NC |
266 | |
267 | /** 0110 0110 immm rdst mov%s #%1, %0 */ | |
3cf79a01 | 268 | ID(mov); DR(rdst); SC(immm); F_____; |
c7927a3c NC |
269 | |
270 | /** 0011 11sz d dst sppp mov%s #%1, %0 */ | |
3cf79a01 | 271 | ID(mov); sBWL (sz); DIs(dst, d*16+sppp, sz); SC(IMM(1)); F_____; |
c7927a3c NC |
272 | |
273 | /** 11sz sd ss rsrc rdst mov%s %1, %0 */ | |
f9c7014e | 274 | if (ss == 3 && sz == 2 && rsrc == 0 && rdst == 0) |
c7927a3c | 275 | { |
f9c7014e | 276 | ID(nop2); |
c7927a3c NC |
277 | } |
278 | else | |
279 | { | |
f9c7014e DD |
280 | ID(mov); sBWL(sz); F_____; |
281 | if ((ss == 3) && (sd != 3)) | |
282 | { | |
283 | SD(ss, rdst, sz); DD(sd, rsrc, sz); | |
284 | } | |
285 | else | |
286 | { | |
287 | SD(ss, rsrc, sz); DD(sd, rdst, sz); | |
288 | } | |
c7927a3c NC |
289 | } |
290 | ||
291 | /** 10sz 1dsp a src b dst mov%s %1, %0 */ | |
3cf79a01 | 292 | ID(mov); sBWL(sz); DR(dst); SIs(src, dsp*4+a*2+b, sz); F_____; |
c7927a3c NC |
293 | |
294 | /** 10sz 0dsp a dst b src mov%s %1, %0 */ | |
3cf79a01 | 295 | ID(mov); sBWL(sz); DIs(dst, dsp*4+a*2+b, sz); SR(src); F_____; |
c7927a3c NC |
296 | |
297 | /** 1111 1110 01sz isrc bsrc rdst mov%s [%1, %2], %0 */ | |
f9c7014e | 298 | ID(movbi); sBWL(sz); DR(rdst); SRR(isrc); S2R(bsrc); F_____; |
c7927a3c NC |
299 | |
300 | /** 1111 1110 00sz isrc bsrc rdst mov%s %0, [%1, %2] */ | |
f9c7014e | 301 | ID(movbir); sBWL(sz); DR(rdst); SRR(isrc); S2R(bsrc); F_____; |
c7927a3c NC |
302 | |
303 | /** 1111 1110 11sz isrc bsrc rdst movu%s [%1, %2], %0 */ | |
f9c7014e | 304 | ID(movbi); uBWL(sz); DR(rdst); SRR(isrc); S2R(bsrc); F_____; |
c7927a3c NC |
305 | |
306 | /** 1111 1101 0010 0p sz rdst rsrc mov%s %1, %0 */ | |
3cf79a01 | 307 | ID(mov); sBWL (sz); SR(rsrc); F_____; |
c7927a3c NC |
308 | OP(0, p ? RX_Operand_Predec : RX_Operand_Postinc, rdst, 0); |
309 | ||
310 | /** 1111 1101 0010 1p sz rsrc rdst mov%s %1, %0 */ | |
3cf79a01 | 311 | ID(mov); sBWL (sz); DR(rdst); F_____; |
c7927a3c NC |
312 | OP(1, p ? RX_Operand_Predec : RX_Operand_Postinc, rsrc, 0); |
313 | ||
314 | /** 1011 w dsp a src b dst movu%s %1, %0 */ | |
3cf79a01 | 315 | ID(mov); uBWL(w); DR(dst); SIs(src, dsp*4+a*2+b, w); F_____; |
c7927a3c NC |
316 | |
317 | /** 0101 1 s ss rsrc rdst movu%s %1, %0 */ | |
3cf79a01 | 318 | ID(mov); uBWL(s); SD(ss, rsrc, s); DR(rdst); F_____; |
c7927a3c NC |
319 | |
320 | /** 1111 1101 0011 1p sz rsrc rdst movu%s %1, %0 */ | |
3cf79a01 | 321 | ID(mov); uBWL (sz); DR(rdst); F_____; |
c7927a3c NC |
322 | OP(1, p ? RX_Operand_Predec : RX_Operand_Postinc, rsrc, 0); |
323 | ||
324 | /*----------------------------------------------------------------------*/ | |
325 | /* PUSH/POP */ | |
326 | ||
327 | /** 0110 1111 dsta dstb popm %1-%2 */ | |
3cf79a01 | 328 | ID(popm); SR(dsta); S2R(dstb); F_____; |
c7927a3c NC |
329 | |
330 | /** 0110 1110 dsta dstb pushm %1-%2 */ | |
3cf79a01 | 331 | ID(pushm); SR(dsta); S2R(dstb); F_____; |
c7927a3c NC |
332 | |
333 | /** 0111 1110 1011 rdst pop %0 */ | |
3cf79a01 | 334 | ID(mov); OP(1, RX_Operand_Postinc, 0, 0); DR(rdst); F_____; |
c7927a3c NC |
335 | |
336 | /** 0111 1110 10sz rsrc push%s %1 */ | |
3cf79a01 | 337 | ID(mov); BWL(sz); OP(0, RX_Operand_Predec, 0, 0); SR(rsrc); F_____; |
c7927a3c NC |
338 | |
339 | /** 1111 01ss rsrc 10sz push%s %1 */ | |
3cf79a01 | 340 | ID(mov); BWL(sz); OP(0, RX_Operand_Predec, 0, 0); SD(ss, rsrc, sz); F_____; |
c7927a3c NC |
341 | |
342 | /*----------------------------------------------------------------------*/ | |
343 | /* XCHG */ | |
344 | ||
345 | /** 1111 1100 0100 00ss rsrc rdst xchg %1%S1, %0 */ | |
346 | ID(xchg); DR(rdst); SP(ss, rsrc); | |
347 | ||
348 | /** 0000 0110 mx10 00ss 0001 0000 rsrc rdst xchg %1%S1, %0 */ | |
349 | ID(xchg); DR(rdst); SPm(ss, rsrc, mx); | |
350 | ||
351 | /*----------------------------------------------------------------------*/ | |
352 | /* STZ/STNZ */ | |
353 | ||
354 | /** 1111 1101 0111 im00 1110rdst stz #%1, %0 */ | |
355 | ID(stcc); SC(IMMex(im)); DR(rdst); S2cc(RXC_z); | |
356 | ||
357 | /** 1111 1101 0111 im00 1111rdst stnz #%1, %0 */ | |
358 | ID(stcc); SC(IMMex(im)); DR(rdst); S2cc(RXC_nz); | |
359 | ||
360 | /*----------------------------------------------------------------------*/ | |
361 | /* RTSD */ | |
362 | ||
363 | /** 0110 0111 rtsd #%1 */ | |
364 | ID(rtsd); SC(IMM(1) * 4); | |
365 | ||
366 | /** 0011 1111 rega regb rtsd #%1, %2-%0 */ | |
367 | ID(rtsd); SC(IMM(1) * 4); S2R(rega); DR(regb); | |
368 | ||
369 | /*----------------------------------------------------------------------*/ | |
370 | /* AND */ | |
371 | ||
372 | /** 0110 0100 immm rdst and #%1, %0 */ | |
3cf79a01 | 373 | ID(and); SC(immm); DR(rdst); F__SZ_; |
c7927a3c NC |
374 | |
375 | /** 0111 01im 0010 rdst and #%1, %0 */ | |
3cf79a01 | 376 | ID(and); SC(IMMex(im)); DR(rdst); F__SZ_; |
c7927a3c NC |
377 | |
378 | /** 0101 00ss rsrc rdst and %1%S1, %0 */ | |
3cf79a01 | 379 | ID(and); SP(ss, rsrc); DR(rdst); F__SZ_; |
c7927a3c NC |
380 | |
381 | /** 0000 0110 mx01 00ss rsrc rdst and %1%S1, %0 */ | |
3cf79a01 | 382 | ID(and); SPm(ss, rsrc, mx); DR(rdst); F__SZ_; |
c7927a3c NC |
383 | |
384 | /** 1111 1111 0100 rdst srca srcb and %2, %1, %0 */ | |
3cf79a01 | 385 | ID(and); DR(rdst); SR(srcb); S2R(srca); F__SZ_; |
c7927a3c NC |
386 | |
387 | /*----------------------------------------------------------------------*/ | |
388 | /* OR */ | |
389 | ||
390 | /** 0110 0101 immm rdst or #%1, %0 */ | |
3cf79a01 | 391 | ID(or); SC(immm); DR(rdst); F__SZ_; |
c7927a3c NC |
392 | |
393 | /** 0111 01im 0011 rdst or #%1, %0 */ | |
3cf79a01 | 394 | ID(or); SC(IMMex(im)); DR(rdst); F__SZ_; |
c7927a3c NC |
395 | |
396 | /** 0101 01ss rsrc rdst or %1%S1, %0 */ | |
3cf79a01 | 397 | ID(or); SP(ss, rsrc); DR(rdst); F__SZ_; |
c7927a3c NC |
398 | |
399 | /** 0000 0110 mx01 01ss rsrc rdst or %1%S1, %0 */ | |
3cf79a01 | 400 | ID(or); SPm(ss, rsrc, mx); DR(rdst); F__SZ_; |
c7927a3c NC |
401 | |
402 | /** 1111 1111 0101 rdst srca srcb or %2, %1, %0 */ | |
3cf79a01 | 403 | ID(or); DR(rdst); SR(srcb); S2R(srca); F__SZ_; |
c7927a3c NC |
404 | |
405 | /*----------------------------------------------------------------------*/ | |
406 | /* XOR */ | |
407 | ||
408 | /** 1111 1101 0111 im00 1101rdst xor #%1, %0 */ | |
3cf79a01 | 409 | ID(xor); SC(IMMex(im)); DR(rdst); F__SZ_; |
c7927a3c NC |
410 | |
411 | /** 1111 1100 0011 01ss rsrc rdst xor %1%S1, %0 */ | |
3cf79a01 | 412 | ID(xor); SP(ss, rsrc); DR(rdst); F__SZ_; |
c7927a3c NC |
413 | |
414 | /** 0000 0110 mx10 00ss 0000 1101 rsrc rdst xor %1%S1, %0 */ | |
3cf79a01 | 415 | ID(xor); SPm(ss, rsrc, mx); DR(rdst); F__SZ_; |
c7927a3c NC |
416 | |
417 | /*----------------------------------------------------------------------*/ | |
418 | /* NOT */ | |
419 | ||
420 | /** 0111 1110 0000 rdst not %0 */ | |
3cf79a01 | 421 | ID(xor); DR(rdst); SR(rdst); S2C(~0); F__SZ_; |
c7927a3c NC |
422 | |
423 | /** 1111 1100 0011 1011 rsrc rdst not %1, %0 */ | |
3cf79a01 | 424 | ID(xor); DR(rdst); SR(rsrc); S2C(~0); F__SZ_; |
c7927a3c NC |
425 | |
426 | /*----------------------------------------------------------------------*/ | |
427 | /* TST */ | |
428 | ||
429 | /** 1111 1101 0111 im00 1100rdst tst #%1, %2 */ | |
3cf79a01 | 430 | ID(and); SC(IMMex(im)); S2R(rdst); F__SZ_; |
c7927a3c NC |
431 | |
432 | /** 1111 1100 0011 00ss rsrc rdst tst %1%S1, %2 */ | |
3cf79a01 | 433 | ID(and); SP(ss, rsrc); S2R(rdst); F__SZ_; |
c7927a3c NC |
434 | |
435 | /** 0000 0110 mx10 00ss 0000 1100 rsrc rdst tst %1%S1, %2 */ | |
3cf79a01 | 436 | ID(and); SPm(ss, rsrc, mx); S2R(rdst); F__SZ_; |
c7927a3c NC |
437 | |
438 | /*----------------------------------------------------------------------*/ | |
439 | /* NEG */ | |
440 | ||
441 | /** 0111 1110 0001 rdst neg %0 */ | |
3cf79a01 | 442 | ID(sub); DR(rdst); SC(0); S2R(rdst); F_OSZC; |
c7927a3c NC |
443 | |
444 | /** 1111 1100 0000 0111 rsrc rdst neg %2, %0 */ | |
3cf79a01 | 445 | ID(sub); DR(rdst); SC(0); S2R(rsrc); F_OSZC; |
c7927a3c NC |
446 | |
447 | /*----------------------------------------------------------------------*/ | |
448 | /* ADC */ | |
449 | ||
450 | /** 1111 1101 0111 im00 0010rdst adc #%1, %0 */ | |
3cf79a01 | 451 | ID(adc); SC(IMMex(im)); DR(rdst); F_OSZC; |
c7927a3c NC |
452 | |
453 | /** 1111 1100 0000 1011 rsrc rdst adc %1, %0 */ | |
3cf79a01 | 454 | ID(adc); SR(rsrc); DR(rdst); F_OSZC; |
c7927a3c NC |
455 | |
456 | /** 0000 0110 1010 00ss 0000 0010 rsrc rdst adc %1%S1, %0 */ | |
3cf79a01 | 457 | ID(adc); SPm(ss, rsrc, 2); DR(rdst); F_OSZC; |
c7927a3c NC |
458 | |
459 | /*----------------------------------------------------------------------*/ | |
460 | /* ADD */ | |
461 | ||
462 | /** 0110 0010 immm rdst add #%1, %0 */ | |
3cf79a01 | 463 | ID(add); SC(immm); DR(rdst); F_OSZC; |
c7927a3c NC |
464 | |
465 | /** 0100 10ss rsrc rdst add %1%S1, %0 */ | |
3cf79a01 | 466 | ID(add); SP(ss, rsrc); DR(rdst); F_OSZC; |
c7927a3c NC |
467 | |
468 | /** 0000 0110 mx00 10ss rsrc rdst add %1%S1, %0 */ | |
3cf79a01 | 469 | ID(add); SPm(ss, rsrc, mx); DR(rdst); F_OSZC; |
c7927a3c NC |
470 | |
471 | /** 0111 00im rsrc rdst add #%1, %2, %0 */ | |
3cf79a01 | 472 | ID(add); SC(IMMex(im)); S2R(rsrc); DR(rdst); F_OSZC; |
c7927a3c NC |
473 | |
474 | /** 1111 1111 0010 rdst srca srcb add %2, %1, %0 */ | |
3cf79a01 | 475 | ID(add); DR(rdst); SR(srcb); S2R(srca); F_OSZC; |
c7927a3c NC |
476 | |
477 | /*----------------------------------------------------------------------*/ | |
478 | /* CMP */ | |
479 | ||
480 | /** 0110 0001 immm rdst cmp #%2, %1 */ | |
3cf79a01 | 481 | ID(sub); S2C(immm); SR(rdst); F_OSZC; |
c7927a3c NC |
482 | |
483 | /** 0111 01im 0000 rsrc cmp #%2, %1%S1 */ | |
3cf79a01 | 484 | ID(sub); SR(rsrc); S2C(IMMex(im)); F_OSZC; |
c7927a3c NC |
485 | |
486 | /** 0111 0101 0101 rsrc cmp #%2, %1 */ | |
3cf79a01 | 487 | ID(sub); SR(rsrc); S2C(IMM(1)); F_OSZC; |
c7927a3c NC |
488 | |
489 | /** 0100 01ss rsrc rdst cmp %2%S2, %1 */ | |
3cf79a01 | 490 | ID(sub); S2P(ss, rsrc); SR(rdst); F_OSZC; |
c7927a3c NC |
491 | |
492 | /** 0000 0110 mx00 01ss rsrc rdst cmp %2%S2, %1 */ | |
3cf79a01 | 493 | ID(sub); S2Pm(ss, rsrc, mx); SR(rdst); F_OSZC; |
c7927a3c NC |
494 | |
495 | /*----------------------------------------------------------------------*/ | |
496 | /* SUB */ | |
497 | ||
498 | /** 0110 0000 immm rdst sub #%2, %0 */ | |
3cf79a01 | 499 | ID(sub); S2C(immm); SR(rdst); DR(rdst); F_OSZC; |
c7927a3c NC |
500 | |
501 | /** 0100 00ss rsrc rdst sub %2%S2, %1 */ | |
3cf79a01 | 502 | ID(sub); S2P(ss, rsrc); SR(rdst); DR(rdst); F_OSZC; |
c7927a3c NC |
503 | |
504 | /** 0000 0110 mx00 00ss rsrc rdst sub %2%S2, %1 */ | |
3cf79a01 | 505 | ID(sub); S2Pm(ss, rsrc, mx); SR(rdst); DR(rdst); F_OSZC; |
c7927a3c NC |
506 | |
507 | /** 1111 1111 0000 rdst srca srcb sub %2, %1, %0 */ | |
3cf79a01 | 508 | ID(sub); DR(rdst); SR(srcb); S2R(srca); F_OSZC; |
c7927a3c NC |
509 | |
510 | /*----------------------------------------------------------------------*/ | |
511 | /* SBB */ | |
512 | ||
513 | /** 1111 1100 0000 0011 rsrc rdst sbb %1, %0 */ | |
3cf79a01 | 514 | ID(sbb); SR (rsrc); DR(rdst); F_OSZC; |
c7927a3c NC |
515 | |
516 | /* FIXME: only supports .L */ | |
517 | /** 0000 0110 mx10 00sp 0000 0000 rsrc rdst sbb %1%S1, %0 */ | |
3cf79a01 | 518 | ID(sbb); SPm(sp, rsrc, mx); DR(rdst); F_OSZC; |
c7927a3c NC |
519 | |
520 | /*----------------------------------------------------------------------*/ | |
521 | /* ABS */ | |
522 | ||
523 | /** 0111 1110 0010 rdst abs %0 */ | |
3cf79a01 | 524 | ID(abs); DR(rdst); SR(rdst); F_OSZ_; |
c7927a3c NC |
525 | |
526 | /** 1111 1100 0000 1111 rsrc rdst abs %1, %0 */ | |
3cf79a01 | 527 | ID(abs); DR(rdst); SR(rsrc); F_OSZ_; |
c7927a3c NC |
528 | |
529 | /*----------------------------------------------------------------------*/ | |
530 | /* MAX */ | |
531 | ||
532 | /** 1111 1101 0111 im00 0100rdst max #%1, %0 */ | |
533 | ID(max); DR(rdst); SC(IMMex(im)); | |
534 | ||
535 | /** 1111 1100 0001 00ss rsrc rdst max %1%S1, %0 */ | |
f9c7014e DD |
536 | if (ss == 3 && rsrc == 0 && rdst == 0) |
537 | { | |
538 | ID(nop3); | |
539 | } | |
540 | else | |
541 | { | |
542 | ID(max); SP(ss, rsrc); DR(rdst); | |
543 | } | |
c7927a3c NC |
544 | |
545 | /** 0000 0110 mx10 00ss 0000 0100 rsrc rdst max %1%S1, %0 */ | |
546 | ID(max); SPm(ss, rsrc, mx); DR(rdst); | |
547 | ||
548 | /*----------------------------------------------------------------------*/ | |
549 | /* MIN */ | |
550 | ||
551 | /** 1111 1101 0111 im00 0101rdst min #%1, %0 */ | |
552 | ID(min); DR(rdst); SC(IMMex(im)); | |
553 | ||
554 | /** 1111 1100 0001 01ss rsrc rdst min %1%S1, %0 */ | |
555 | ID(min); SP(ss, rsrc); DR(rdst); | |
556 | ||
557 | /** 0000 0110 mx10 00ss 0000 0101 rsrc rdst min %1%S1, %0 */ | |
558 | ID(min); SPm(ss, rsrc, mx); DR(rdst); | |
559 | ||
560 | /*----------------------------------------------------------------------*/ | |
561 | /* MUL */ | |
562 | ||
563 | /** 0110 0011 immm rdst mul #%1, %0 */ | |
3cf79a01 | 564 | ID(mul); DR(rdst); SC(immm); F_____; |
c7927a3c NC |
565 | |
566 | /** 0111 01im 0001rdst mul #%1, %0 */ | |
3cf79a01 | 567 | ID(mul); DR(rdst); SC(IMMex(im)); F_____; |
c7927a3c NC |
568 | |
569 | /** 0100 11ss rsrc rdst mul %1%S1, %0 */ | |
3cf79a01 | 570 | ID(mul); SP(ss, rsrc); DR(rdst); F_____; |
c7927a3c NC |
571 | |
572 | /** 0000 0110 mx00 11ss rsrc rdst mul %1%S1, %0 */ | |
3cf79a01 | 573 | ID(mul); SPm(ss, rsrc, mx); DR(rdst); F_____; |
c7927a3c NC |
574 | |
575 | /** 1111 1111 0011 rdst srca srcb mul %2, %1, %0 */ | |
3cf79a01 | 576 | ID(mul); DR(rdst); SR(srcb); S2R(srca); F_____; |
c7927a3c NC |
577 | |
578 | /*----------------------------------------------------------------------*/ | |
579 | /* EMUL */ | |
580 | ||
581 | /** 1111 1101 0111 im00 0110rdst emul #%1, %0 */ | |
582 | ID(emul); DR(rdst); SC(IMMex(im)); | |
583 | ||
584 | /** 1111 1100 0001 10ss rsrc rdst emul %1%S1, %0 */ | |
585 | ID(emul); SP(ss, rsrc); DR(rdst); | |
586 | ||
587 | /** 0000 0110 mx10 00ss 0000 0110 rsrc rdst emul %1%S1, %0 */ | |
588 | ID(emul); SPm(ss, rsrc, mx); DR(rdst); | |
589 | ||
590 | /*----------------------------------------------------------------------*/ | |
591 | /* EMULU */ | |
592 | ||
593 | /** 1111 1101 0111 im00 0111rdst emulu #%1, %0 */ | |
594 | ID(emulu); DR(rdst); SC(IMMex(im)); | |
595 | ||
596 | /** 1111 1100 0001 11ss rsrc rdst emulu %1%S1, %0 */ | |
597 | ID(emulu); SP(ss, rsrc); DR(rdst); | |
598 | ||
599 | /** 0000 0110 mx10 00ss 0000 0111 rsrc rdst emulu %1%S1, %0 */ | |
600 | ID(emulu); SPm(ss, rsrc, mx); DR(rdst); | |
601 | ||
602 | /*----------------------------------------------------------------------*/ | |
603 | /* DIV */ | |
604 | ||
605 | /** 1111 1101 0111 im00 1000rdst div #%1, %0 */ | |
3cf79a01 | 606 | ID(div); DR(rdst); SC(IMMex(im)); F_O___; |
c7927a3c NC |
607 | |
608 | /** 1111 1100 0010 00ss rsrc rdst div %1%S1, %0 */ | |
3cf79a01 | 609 | ID(div); SP(ss, rsrc); DR(rdst); F_O___; |
c7927a3c NC |
610 | |
611 | /** 0000 0110 mx10 00ss 0000 1000 rsrc rdst div %1%S1, %0 */ | |
3cf79a01 | 612 | ID(div); SPm(ss, rsrc, mx); DR(rdst); F_O___; |
c7927a3c NC |
613 | |
614 | /*----------------------------------------------------------------------*/ | |
615 | /* DIVU */ | |
616 | ||
617 | /** 1111 1101 0111 im00 1001rdst divu #%1, %0 */ | |
3cf79a01 | 618 | ID(divu); DR(rdst); SC(IMMex(im)); F_O___; |
c7927a3c NC |
619 | |
620 | /** 1111 1100 0010 01ss rsrc rdst divu %1%S1, %0 */ | |
3cf79a01 | 621 | ID(divu); SP(ss, rsrc); DR(rdst); F_O___; |
c7927a3c NC |
622 | |
623 | /** 0000 0110 mx10 00ss 0000 1001 rsrc rdst divu %1%S1, %0 */ | |
3cf79a01 | 624 | ID(divu); SPm(ss, rsrc, mx); DR(rdst); F_O___; |
c7927a3c NC |
625 | |
626 | /*----------------------------------------------------------------------*/ | |
627 | /* SHIFT */ | |
628 | ||
629 | /** 0110 110i mmmm rdst shll #%2, %0 */ | |
3cf79a01 | 630 | ID(shll); S2C(i*16+mmmm); SR(rdst); DR(rdst); F_OSZC; |
c7927a3c NC |
631 | |
632 | /** 1111 1101 0110 0010 rsrc rdst shll %2, %0 */ | |
3cf79a01 | 633 | ID(shll); S2R(rsrc); SR(rdst); DR(rdst); F_OSZC; |
c7927a3c NC |
634 | |
635 | /** 1111 1101 110immmm rsrc rdst shll #%2, %1, %0 */ | |
3cf79a01 | 636 | ID(shll); S2C(immmm); SR(rsrc); DR(rdst); F_OSZC; |
c7927a3c NC |
637 | |
638 | ||
639 | /** 0110 101i mmmm rdst shar #%2, %0 */ | |
3cf79a01 | 640 | ID(shar); S2C(i*16+mmmm); SR(rdst); DR(rdst); F_0SZC; |
c7927a3c NC |
641 | |
642 | /** 1111 1101 0110 0001 rsrc rdst shar %2, %0 */ | |
3cf79a01 | 643 | ID(shar); S2R(rsrc); SR(rdst); DR(rdst); F_0SZC; |
c7927a3c NC |
644 | |
645 | /** 1111 1101 101immmm rsrc rdst shar #%2, %1, %0 */ | |
3cf79a01 | 646 | ID(shar); S2C(immmm); SR(rsrc); DR(rdst); F_0SZC; |
c7927a3c NC |
647 | |
648 | ||
649 | /** 0110 100i mmmm rdst shlr #%2, %0 */ | |
3cf79a01 | 650 | ID(shlr); S2C(i*16+mmmm); SR(rdst); DR(rdst); F__SZC; |
c7927a3c NC |
651 | |
652 | /** 1111 1101 0110 0000 rsrc rdst shlr %2, %0 */ | |
3cf79a01 | 653 | ID(shlr); S2R(rsrc); SR(rdst); DR(rdst); F__SZC; |
c7927a3c NC |
654 | |
655 | /** 1111 1101 100immmm rsrc rdst shlr #%2, %1, %0 */ | |
3cf79a01 | 656 | ID(shlr); S2C(immmm); SR(rsrc); DR(rdst); F__SZC; |
c7927a3c NC |
657 | |
658 | /*----------------------------------------------------------------------*/ | |
659 | /* ROTATE */ | |
660 | ||
661 | /** 0111 1110 0101 rdst rolc %0 */ | |
3cf79a01 | 662 | ID(rolc); DR(rdst); F__SZC; |
c7927a3c NC |
663 | |
664 | /** 0111 1110 0100 rdst rorc %0 */ | |
3cf79a01 | 665 | ID(rorc); DR(rdst); F__SZC; |
c7927a3c NC |
666 | |
667 | /** 1111 1101 0110 111i mmmm rdst rotl #%1, %0 */ | |
3cf79a01 | 668 | ID(rotl); SC(i*16+mmmm); DR(rdst); F__SZC; |
c7927a3c NC |
669 | |
670 | /** 1111 1101 0110 0110 rsrc rdst rotl %1, %0 */ | |
3cf79a01 | 671 | ID(rotl); SR(rsrc); DR(rdst); F__SZC; |
c7927a3c NC |
672 | |
673 | /** 1111 1101 0110 110i mmmm rdst rotr #%1, %0 */ | |
3cf79a01 | 674 | ID(rotr); SC(i*16+mmmm); DR(rdst); F__SZC; |
c7927a3c NC |
675 | |
676 | /** 1111 1101 0110 0100 rsrc rdst rotr %1, %0 */ | |
3cf79a01 | 677 | ID(rotr); SR(rsrc); DR(rdst); F__SZC; |
c7927a3c NC |
678 | |
679 | /** 1111 1101 0110 0101 rsrc rdst revw %1, %0 */ | |
680 | ID(revw); SR(rsrc); DR(rdst); | |
681 | ||
682 | /** 1111 1101 0110 0111 rsrc rdst revl %1, %0 */ | |
683 | ID(revl); SR(rsrc); DR(rdst); | |
684 | ||
685 | /*----------------------------------------------------------------------*/ | |
686 | /* BRANCH */ | |
687 | ||
688 | /** 0001 n dsp b%1.s %a0 */ | |
689 | ID(branch); Scc(n); DC(pc + dsp3map[dsp]); | |
690 | ||
691 | /** 0010 cond b%1.b %a0 */ | |
692 | ID(branch); Scc(cond); DC(pc + IMMex (1)); | |
693 | ||
694 | /** 0011 101c b%1.w %a0 */ | |
695 | ID(branch); Scc(c); DC(pc + IMMex (2)); | |
696 | ||
697 | ||
698 | /** 0000 1dsp bra.s %a0 */ | |
f9c7014e | 699 | ID(branch); DC(pc + dsp3map[dsp]); |
c7927a3c NC |
700 | |
701 | /** 0010 1110 bra.b %a0 */ | |
f9c7014e | 702 | ID(branch); DC(pc + IMMex(1)); |
c7927a3c NC |
703 | |
704 | /** 0011 1000 bra.w %a0 */ | |
f9c7014e | 705 | ID(branch); DC(pc + IMMex(2)); |
c7927a3c NC |
706 | |
707 | /** 0000 0100 bra.a %a0 */ | |
f9c7014e | 708 | ID(branch); DC(pc + IMMex(3)); |
c7927a3c NC |
709 | |
710 | /** 0111 1111 0100 rsrc bra.l %0 */ | |
f9c7014e | 711 | ID(branchrel); DR(rsrc); |
c7927a3c NC |
712 | |
713 | ||
714 | /** 0111 1111 0000 rsrc jmp %0 */ | |
f9c7014e | 715 | ID(branch); DR(rsrc); |
c7927a3c NC |
716 | |
717 | /** 0111 1111 0001 rsrc jsr %0 */ | |
718 | ID(jsr); DR(rsrc); | |
719 | ||
720 | /** 0011 1001 bsr.w %a0 */ | |
721 | ID(jsr); DC(pc + IMMex(2)); | |
722 | ||
723 | /** 0000 0101 bsr.a %a0 */ | |
724 | ID(jsr); DC(pc + IMMex(3)); | |
725 | ||
726 | /** 0111 1111 0101 rsrc bsr.l %0 */ | |
727 | ID(jsrrel); DR(rsrc); | |
728 | ||
729 | /** 0000 0010 rts */ | |
730 | ID(rts); | |
731 | ||
732 | /*----------------------------------------------------------------------*/ | |
733 | /* NOP */ | |
734 | ||
735 | /** 0000 0011 nop */ | |
736 | ID(nop); | |
737 | ||
738 | /*----------------------------------------------------------------------*/ | |
739 | /* STRING FUNCTIONS */ | |
740 | ||
741 | /** 0111 1111 1000 0011 scmpu */ | |
3cf79a01 | 742 | ID(scmpu); F___ZC; |
c7927a3c NC |
743 | |
744 | /** 0111 1111 1000 0111 smovu */ | |
745 | ID(smovu); | |
746 | ||
747 | /** 0111 1111 1000 1011 smovb */ | |
748 | ID(smovb); | |
749 | ||
750 | /** 0111 1111 1000 00sz suntil%s */ | |
3cf79a01 | 751 | ID(suntil); BWL(sz); F___ZC; |
c7927a3c NC |
752 | |
753 | /** 0111 1111 1000 01sz swhile%s */ | |
3cf79a01 | 754 | ID(swhile); BWL(sz); F___ZC; |
c7927a3c NC |
755 | |
756 | /** 0111 1111 1000 1111 smovf */ | |
757 | ID(smovf); | |
758 | ||
759 | /** 0111 1111 1000 10sz sstr%s */ | |
760 | ID(sstr); BWL(sz); | |
761 | ||
762 | /*----------------------------------------------------------------------*/ | |
763 | /* RMPA */ | |
764 | ||
765 | /** 0111 1111 1000 11sz rmpa%s */ | |
3cf79a01 | 766 | ID(rmpa); BWL(sz); F_OS__; |
c7927a3c NC |
767 | |
768 | /*----------------------------------------------------------------------*/ | |
769 | /* HI/LO stuff */ | |
770 | ||
771 | /** 1111 1101 0000 0000 srca srcb mulhi %1, %2 */ | |
3cf79a01 | 772 | ID(mulhi); SR(srca); S2R(srcb); F_____; |
c7927a3c NC |
773 | |
774 | /** 1111 1101 0000 0001 srca srcb mullo %1, %2 */ | |
3cf79a01 | 775 | ID(mullo); SR(srca); S2R(srcb); F_____; |
c7927a3c NC |
776 | |
777 | /** 1111 1101 0000 0100 srca srcb machi %1, %2 */ | |
3cf79a01 | 778 | ID(machi); SR(srca); S2R(srcb); F_____; |
c7927a3c NC |
779 | |
780 | /** 1111 1101 0000 0101 srca srcb maclo %1, %2 */ | |
3cf79a01 | 781 | ID(maclo); SR(srca); S2R(srcb); F_____; |
c7927a3c NC |
782 | |
783 | /** 1111 1101 0001 0111 0000 rsrc mvtachi %1 */ | |
3cf79a01 | 784 | ID(mvtachi); SR(rsrc); F_____; |
c7927a3c NC |
785 | |
786 | /** 1111 1101 0001 0111 0001 rsrc mvtaclo %1 */ | |
3cf79a01 | 787 | ID(mvtaclo); SR(rsrc); F_____; |
c7927a3c NC |
788 | |
789 | /** 1111 1101 0001 1111 0000 rdst mvfachi %0 */ | |
3cf79a01 | 790 | ID(mvfachi); DR(rdst); F_____; |
c7927a3c NC |
791 | |
792 | /** 1111 1101 0001 1111 0010 rdst mvfacmi %0 */ | |
3cf79a01 | 793 | ID(mvfacmi); DR(rdst); F_____; |
c7927a3c NC |
794 | |
795 | /** 1111 1101 0001 1111 0001 rdst mvfaclo %0 */ | |
3cf79a01 | 796 | ID(mvfaclo); DR(rdst); F_____; |
c7927a3c NC |
797 | |
798 | /** 1111 1101 0001 1000 000i 0000 racw #%1 */ | |
3cf79a01 | 799 | ID(racw); SC(i+1); F_____; |
c7927a3c NC |
800 | |
801 | /*----------------------------------------------------------------------*/ | |
802 | /* SAT */ | |
803 | ||
804 | /** 0111 1110 0011 rdst sat %0 */ | |
805 | ID(sat); DR (rdst); | |
806 | ||
807 | /** 0111 1111 1001 0011 satr */ | |
808 | ID(satr); | |
809 | ||
810 | /*----------------------------------------------------------------------*/ | |
811 | /* FLOAT */ | |
812 | ||
813 | /** 1111 1101 0111 0010 0010 rdst fadd #%1, %0 */ | |
3cf79a01 | 814 | ID(fadd); DR(rdst); SC(IMM(0)); F__SZ_; |
c7927a3c NC |
815 | |
816 | /** 1111 1100 1000 10sd rsrc rdst fadd %1%S1, %0 */ | |
3cf79a01 | 817 | ID(fadd); DR(rdst); SD(sd, rsrc, LSIZE); F__SZ_; |
c7927a3c NC |
818 | |
819 | /** 1111 1101 0111 0010 0001 rdst fcmp #%1, %0 */ | |
3cf79a01 | 820 | ID(fcmp); DR(rdst); SC(IMM(0)); F_OSZ_; |
c7927a3c NC |
821 | |
822 | /** 1111 1100 1000 01sd rsrc rdst fcmp %1%S1, %0 */ | |
3cf79a01 | 823 | ID(fcmp); DR(rdst); SD(sd, rsrc, LSIZE); F_OSZ_; |
c7927a3c NC |
824 | |
825 | /** 1111 1101 0111 0010 0000 rdst fsub #%1, %0 */ | |
3cf79a01 | 826 | ID(fsub); DR(rdst); SC(IMM(0)); F__SZ_; |
c7927a3c NC |
827 | |
828 | /** 1111 1100 1000 00sd rsrc rdst fsub %1%S1, %0 */ | |
3cf79a01 | 829 | ID(fsub); DR(rdst); SD(sd, rsrc, LSIZE); F__SZ_; |
c7927a3c NC |
830 | |
831 | /** 1111 1100 1001 01sd rsrc rdst ftoi %1%S1, %0 */ | |
3cf79a01 | 832 | ID(ftoi); DR(rdst); SD(sd, rsrc, LSIZE); F__SZ_; |
c7927a3c NC |
833 | |
834 | /** 1111 1101 0111 0010 0011 rdst fmul #%1, %0 */ | |
3cf79a01 | 835 | ID(fmul); DR(rdst); SC(IMM(0)); F__SZ_; |
c7927a3c NC |
836 | |
837 | /** 1111 1100 1000 11sd rsrc rdst fmul %1%S1, %0 */ | |
3cf79a01 | 838 | ID(fmul); DR(rdst); SD(sd, rsrc, LSIZE); F__SZ_; |
c7927a3c NC |
839 | |
840 | /** 1111 1101 0111 0010 0100 rdst fdiv #%1, %0 */ | |
3cf79a01 | 841 | ID(fdiv); DR(rdst); SC(IMM(0)); F__SZ_; |
c7927a3c NC |
842 | |
843 | /** 1111 1100 1001 00sd rsrc rdst fdiv %1%S1, %0 */ | |
3cf79a01 | 844 | ID(fdiv); DR(rdst); SD(sd, rsrc, LSIZE); F__SZ_; |
c7927a3c NC |
845 | |
846 | /** 1111 1100 1001 10sd rsrc rdst round %1%S1, %0 */ | |
3cf79a01 | 847 | ID(round); DR(rdst); SD(sd, rsrc, LSIZE); F__SZ_; |
c7927a3c NC |
848 | |
849 | /** 1111 1100 0100 01sd rsrc rdst itof %1%S1, %0 */ | |
3cf79a01 | 850 | ID(itof); DR (rdst); SP(sd, rsrc); F__SZ_; |
c7927a3c NC |
851 | |
852 | /** 0000 0110 mx10 00sd 0001 0001 rsrc rdst itof %1%S1, %0 */ | |
3cf79a01 | 853 | ID(itof); DR (rdst); SPm(sd, rsrc, mx); F__SZ_; |
c7927a3c NC |
854 | |
855 | /*----------------------------------------------------------------------*/ | |
856 | /* BIT OPS */ | |
857 | ||
858 | /** 1111 00sd rdst 0bit bset #%1, %0%S0 */ | |
3cf79a01 | 859 | ID(bset); BWL(BSIZE); SC(bit); DD(sd, rdst, BSIZE); F_____; |
c7927a3c NC |
860 | |
861 | /** 1111 1100 0110 00sd rdst rsrc bset %1, %0%S0 */ | |
3cf79a01 | 862 | ID(bset); BWL(BSIZE); SR(rsrc); DD(sd, rdst, BSIZE); F_____; |
c7927a3c NC |
863 | |
864 | /** 0111 100b ittt rdst bset #%1, %0 */ | |
3cf79a01 | 865 | ID(bset); BWL(LSIZE); SC(b*16+ittt); DR(rdst); F_____; |
c7927a3c NC |
866 | |
867 | ||
868 | /** 1111 00sd rdst 1bit bclr #%1, %0%S0 */ | |
3cf79a01 | 869 | ID(bclr); BWL(BSIZE); SC(bit); DD(sd, rdst, BSIZE); F_____; |
c7927a3c NC |
870 | |
871 | /** 1111 1100 0110 01sd rdst rsrc bclr %1, %0%S0 */ | |
3cf79a01 | 872 | ID(bclr); BWL(BSIZE); SR(rsrc); DD(sd, rdst, BSIZE); F_____; |
c7927a3c NC |
873 | |
874 | /** 0111 101b ittt rdst bclr #%1, %0 */ | |
3cf79a01 | 875 | ID(bclr); BWL(LSIZE); SC(b*16+ittt); DR(rdst); F_____; |
c7927a3c NC |
876 | |
877 | ||
878 | /** 1111 01sd rdst 0bit btst #%2, %1%S1 */ | |
3cf79a01 | 879 | ID(btst); BWL(BSIZE); S2C(bit); SD(sd, rdst, BSIZE); F___ZC; |
c7927a3c NC |
880 | |
881 | /** 1111 1100 0110 10sd rdst rsrc btst %2, %1%S1 */ | |
3cf79a01 | 882 | ID(btst); BWL(BSIZE); S2R(rsrc); SD(sd, rdst, BSIZE); F___ZC; |
c7927a3c NC |
883 | |
884 | /** 0111 110b ittt rdst btst #%2, %1 */ | |
3cf79a01 | 885 | ID(btst); BWL(LSIZE); S2C(b*16+ittt); SR(rdst); F___ZC; |
c7927a3c NC |
886 | |
887 | ||
888 | /** 1111 1100 111bit sd rdst 1111 bnot #%1, %0%S0 */ | |
889 | ID(bnot); BWL(BSIZE); SC(bit); DD(sd, rdst, BSIZE); | |
890 | ||
891 | /** 1111 1100 0110 11sd rdst rsrc bnot %1, %0%S0 */ | |
892 | ID(bnot); BWL(BSIZE); SR(rsrc); DD(sd, rdst, BSIZE); | |
893 | ||
894 | /** 1111 1101 111bittt 1111 rdst bnot #%1, %0 */ | |
895 | ID(bnot); BWL(LSIZE); SC(bittt); DR(rdst); | |
896 | ||
897 | ||
898 | /** 1111 1100 111bit sd rdst cond bm%2 #%1, %0%S0 */ | |
899 | ID(bmcc); BWL(BSIZE); S2cc(cond); SC(bit); DD(sd, rdst, BSIZE); | |
900 | ||
901 | /** 1111 1101 111 bittt cond rdst bm%2 #%1, %0%S0 */ | |
902 | ID(bmcc); BWL(LSIZE); S2cc(cond); SC(bittt); DR(rdst); | |
903 | ||
904 | /*----------------------------------------------------------------------*/ | |
905 | /* CONTROL REGISTERS */ | |
906 | ||
907 | /** 0111 1111 1011 rdst clrpsw %0 */ | |
908 | ID(clrpsw); DF(rdst); | |
909 | ||
910 | /** 0111 1111 1010 rdst setpsw %0 */ | |
911 | ID(setpsw); DF(rdst); | |
912 | ||
0d734b5d DD |
913 | /** 0111 0101 0111 0000 0000 immm mvtipl #%1 */ |
914 | ID(mvtipl); SC(immm); | |
915 | ||
c7927a3c NC |
916 | /** 0111 1110 111 crdst popc %0 */ |
917 | ID(mov); OP(1, RX_Operand_Postinc, 0, 0); DR(crdst + 16); | |
918 | ||
919 | /** 0111 1110 110 crsrc pushc %1 */ | |
920 | ID(mov); OP(0, RX_Operand_Predec, 0, 0); SR(crsrc + 16); | |
921 | ||
922 | /** 1111 1101 0111 im11 000crdst mvtc #%1, %0 */ | |
923 | ID(mov); SC(IMMex(im)); DR(crdst + 16); | |
924 | ||
925 | /** 1111 1101 0110 100c rsrc rdst mvtc %1, %0 */ | |
926 | ID(mov); SR(rsrc); DR(c*16+rdst + 16); | |
927 | ||
928 | /** 1111 1101 0110 101s rsrc rdst mvfc %1, %0 */ | |
929 | ID(mov); SR((s*16+rsrc) + 16); DR(rdst); | |
930 | ||
c7927a3c NC |
931 | /*----------------------------------------------------------------------*/ |
932 | /* INTERRUPTS */ | |
933 | ||
934 | /** 0111 1111 1001 0100 rtfi */ | |
935 | ID(rtfi); | |
936 | ||
937 | /** 0111 1111 1001 0101 rte */ | |
938 | ID(rte); | |
939 | ||
940 | /** 0000 0000 brk */ | |
941 | ID(brk); | |
942 | ||
943 | /** 0000 0001 dbt */ | |
944 | ID(dbt); | |
945 | ||
946 | /** 0111 0101 0110 0000 int #%1 */ | |
947 | ID(int); SC(IMM(1)); | |
948 | ||
949 | /** 0111 1111 1001 0110 wait */ | |
950 | ID(wait); | |
951 | ||
952 | /*----------------------------------------------------------------------*/ | |
953 | /* SCcnd */ | |
954 | ||
955 | /** 1111 1100 1101 sz sd rdst cond sc%1%s %0 */ | |
956 | ID(sccnd); BWL(sz); DD (sd, rdst, sz); Scc(cond); | |
957 | ||
958 | /** */ | |
959 | ||
960 | return rx->n_bytes; | |
961 | } |