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1.1.1.3 ! root 1: ! $Id: m68k-iset.txt,v 1.8 2005/03/23 11:55:34 fredette Exp $ 1.1 root 2: 1.1.1.2 root 3: ! ic/m68k/m68k-iset.txt: the m68k instruction set 4: 1.1.1.3 ! root 5: ! Copyright (c) 2002, 2003, 2004 Matt Fredette 1.1.1.2 root 6: ! All rights reserved. 7: ! 8: ! Redistribution and use in source and binary forms, with or without 9: ! modification, are permitted provided that the following conditions 10: ! are met: 11: ! 1. Redistributions of source code must retain the above copyright 12: ! notice, this list of conditions and the following disclaimer. 13: ! 2. Redistributions in binary form must reproduce the above copyright 14: ! notice, this list of conditions and the following disclaimer in the 15: ! documentation and/or other materials provided with the distribution. 16: ! 3. All advertising materials mentioning features or use of this software 17: ! must display the following acknowledgement: 18: ! This product includes software developed by Matt Fredette. 19: ! 4. The name of the author may not be used to endorse or promote products 20: ! derived from this software without specific prior written permission. 21: ! 22: ! THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 23: ! IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 24: ! WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 25: ! DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 26: ! INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 27: ! (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 28: ! SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29: ! HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 30: ! STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 31: ! ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 32: ! POSSIBILITY OF SUCH DAMAGE. 1.1 root 33: 34: ! load some common EA categories: 35: eax-cat all ro yyyyyyyyyyyynnn 36: eax-cat data ro ynyyyyyyyyyynnn 37: eax-cat datalt rw ynyyyyyyynnnnnn ! example: andi pp 122 38: eax-cat memalt rw nnyyyyyyynnnnnn 39: eax-cat control un nnynnyyyyyynnnn 40: 41: 0000 0000 0011 1100 ori_ccr #8 ! ori_ccr pp 258 42: 0000 0000 0111 1100 ori_sr #16 ! ori_sr pp 480 43: 0000 0000 ssxx xxxx or.s #s, xs/datalt ! ori pp 256 44: 45: 0000 0010 0011 1100 andi_ccr #8 ! andi_ccr pp 123 46: 0000 0010 0111 1100 andi_sr #16 ! andi_sr pp 455 47: 0000 0010 ssxx xxxx and.s #s, xs/datalt ! andi pp 121 48: 49: 0000 0100 ssxx xxxx sub.s #s, xs/datalt ! subi pp 282 50: 51: .if m68020 52: 0000 0110 1100 0ddd rtm %d.32 ! rtm pp 270 53: 0000 0110 1100 1aaa rtm %a.32 ! rtm pp 270 54: 0000 0110 11xx xxxx callm #8, x0/control ! callm pp 167 55: .endif 56: 57: 0000 0110 ssxx xxxx add.s #s, xs/datalt ! addi pp 112 58: 59: .if m68020 || m68030 60: specop specop16 cmp2_chk2 61: 0000 0ss0 11xx xxxx cmp2_chk2 X, x0/control ! chk2 pp 174, cmp2 pp 185 62: specop specop16 cas 63: 0000 1SS0 11xx xxxx cas.S X, x0/memalt/un ! cas pp 169 1.1.1.3 ! root 64: specop specop16 cas2_16 cas2_32 ! 65: 0000 1100 1111 1100 cas2_16 #16 ! cas2 pp 169 ! 66: 0000 1110 1111 1100 cas2_32 #16 ! cas2 pp 169 1.1 root 67: .endif 68: 69: 0000 1010 0011 1100 eori_ccr #8 ! eori_ccr pp 207 70: 0000 1010 0111 1100 eori_sr #16 ! eori_sr pp 463 71: 0000 1010 ssxx xxxx eor.s #s, xs/datalt ! eori pp 205 72: 73: ! cmpi addressing modes are unusual. per pp 183, immediate is 74: ! never allowed, and on the 000 and 010, PC-relative addressing 75: ! modes are not allowed: 76: .if m68000 || m68010 77: eax-cat cmpi ro ynyyyyyyynnnnnn 78: .endif 79: .if m68020 || m68030 80: eax-cat cmpi ro ynyyyyyyyyynnnn 81: .endif 82: 0000 1100 ssxx xxxx cmp.s #s, xs/cmpi ! cmpi pp 182 83: 84: eax-cat bitro ro nnyyyyyyyyyynnn 85: eax-cat bitrw rw nnyyyyyyynnnnnn 86: 0000 1000 0000 0ddd btst32 #8, %d.32 ! btst pp 164 87: 0000 1000 00xx xxxx btst8 #8, x8/bitro ! btst pp 164 88: 0000 1000 0100 0ddd bchg32 #8, %d.32 ! bchg pp 130 89: 0000 1000 01xx xxxx bchg8 #8, x8/bitrw ! bchg pp 130 90: 0000 1000 1000 0ddd bclr32 #8, %d.32 ! bclr pp 133 91: 0000 1000 10xx xxxx bclr8 #8, x8/bitrw ! bclr pp 133 92: 0000 1000 1100 0ddd bset32 #8, %d.32 ! bset pp 159 93: 0000 1000 11xx xxxx bset8 #8, x8/bitrw ! bset pp 159 94: 95: .if m68010 || m68020 || m68030 1.1.1.3 ! root 96: specop specop16 moves.s ! 97: 0000 1110 ssxx xxxx moves.s X, x0/memalt/un ! moves pp 477 1.1 root 98: .endif 99: 100: 0000 ddd1 0000 0DDD btst32 %d.8, %D.32 ! btst pp 164 101: 0000 ddd1 00xx xxxx btst8 %d.8, x8/bitro ! btst pp 164 102: 0000 ddd1 0100 0DDD bchg32 %d.8, %D.32 ! bchg pp 130 103: 0000 ddd1 01xx xxxx bchg8 %d.8, x8/bitrw ! bchg pp 130 104: 0000 ddd1 1000 0DDD bclr32 %d.8, %D.32 ! bclr pp 133 105: 0000 ddd1 10xx xxxx bclr8 %d.8, x8/bitrw ! bclr pp 133 106: 0000 ddd1 1100 0DDD bset32 %d.8, %D.32 ! bset pp 159 107: 0000 ddd1 11xx xxxx bset8 %d.8, x8/bitrw ! bset pp 159 108: 109: ! we don't decode the data register field, to allow for better EA 110: ! submap reuse, and this is a rare function anyways: 111: 0000 ddd1 0000 1aaa movep_mr16 X, %a.32 ! movep pp 234 112: 0000 ddd1 0100 1aaa movep_mr32 X, %a.32 ! movep pp 234 113: 0000 ddd1 1000 1aaa movep_rm16 X, %a.32 ! movep pp 234 114: 0000 ddd1 1100 1aaa movep_rm32 X, %a.32 ! movep pp 234 115: 116: 0010 aaa0 01xx xxxx movea32 %a.32, x32/all ! movea pp 222 117: 0011 aaa0 01xx xxxx movea16 %a.32, x16/all ! movea pp 222 118: 119: 00SS yyyy yyxx xxxx move.S yS/datalt/wo, xS/all ! move pp 219 120: 121: ! move_from_sr isn't privileged on the 68000: 122: .if m68000 123: 0100 0000 11xx xxxx move_from_sr0 X, x16/datalt ! move_from_sr pp 228 124: .endif 125: .if m68010 || m68020 || m68030 126: 0100 0000 11xx xxxx move_from_sr X, x16/datalt/wo ! move_from_sr pp 470 127: 0100 0010 11xx xxxx move_from_ccr X, x16/datalt/wo ! move_from_ccr pp 224 128: .endif 129: 130: 0100 0000 ssxx xxxx negx.s X, xs/datalt ! negx pp 249 131: 132: ! the EA is read before it is written on on the 68000, pp 177 133: .if m68000 134: 0100 0010 ssxx xxxx clr.s X, xs/datalt ! clr pp 176 135: .endif 136: .if m68010 || m68020 || m68030 137: 0100 0010 ssxx xxxx clr.s X, xs/datalt/wo ! clr pp 176 138: .endif 139: 140: 0100 0100 11xx xxxx move_to_ccr X, x16/data ! move_to_ccr pp 226 141: 142: 0100 0100 ssxx xxxx neg.s X, xs/datalt ! neg pp 246 143: 144: 0100 0110 11xx xxxx move_to_sr X, x16/data ! move_to_sr pp 472 145: 146: 0100 0110 ssxx xxxx not.s X, xs/datalt ! not pp 251 147: 148: 0100 1000 1000 0ddd extw X, %d.16 ! ext pp 209 149: 0100 1000 1100 0ddd extl X, %d.32 ! ext pp 209 150: .if m68020 || m68030 151: 0100 1001 1100 0ddd extbl X, %d.32 ! ext pp 209 152: .endif 153: 154: .if m68020 || m68030 155: 0100 1000 0000 1aaa link #32, %a.32 ! link pp 214 156: .endif 157: 158: 0100 1000 00xx xxxx nbcd X, x8/datalt ! nbcd pp 244 159: 160: 0100 1000 0100 0ddd swap X, %d.32 ! swap pp 288 161: 162: .if m68010 || m68020 || m68030 163: 0100 1000 0100 1??? bkpt ! bkpt pp 157 164: .endif 165: 166: 0100 1000 01xx xxxx pea X, x0/control ! pea pp 262 167: 168: 0100 1010 1111 1100 illegal ! illegal pp 210 169: 170: 0100 1010 1100 0ddd tas_r X, %d.8 ! tas pp 289 171: 0100 1010 11xx xxxx tas X, x0/memalt/un ! tas pp 289 172: 173: ! tst addressing modes are unusual. per pp 296, on the 68000 174: ! and 68010, PC-relative addressing modes and immediates are not 175: ! allowed: 176: .if m68000 || m68010 177: eax-cat tst ro ynyyyyyyynnnnnn 178: 0100 1010 ssxx xxxx tst.s X, xs/tst ! tst pp 295 179: .endif 180: .if m68020 || m68030 181: 0100 1010 ssxx xxxx tst.s X, xs/all ! tst pp 295 182: .endif 183: 184: .if m68020 || m68030 1.1.1.3 ! root 185: specop specop16 mull divl ! 186: 0100 1100 00xx xxxx mull X, x32/data ! mulsl pp 238, mulul pp 241 ! 187: 0100 1100 01xx xxxx divl X, x32/data ! divsl pp 195, divul pp 199 1.1 root 188: .endif 189: 190: 0100 1110 0100 ???? trap ! trap pp 291 191: 192: 0100 1110 0101 0aaa link #16S32, %a.32 ! link pp 214 193: 194: 0100 1110 0101 1aaa unlk %a.32 ! unlk pp 297 195: 196: 0100 1110 0110 ?aaa move_usp X, %a.32 ! move_usp pp 474 197: 198: 0100 1110 0111 0000 reset ! reset pp 536 199: 200: 0100 1110 0111 0001 nop ! nop pp 250 201: 202: specop specop16 stop 203: 0100 1110 0111 0010 stop ! stop pp 538 204: 205: 0100 1110 0111 0011 rte ! rte pp 537 206: 207: .if m68010 || m68020 || m68030 208: 0100 1110 0111 0100 rtd #16S32 ! rtd pp 269 209: .endif 210: 211: 0100 1110 0111 0101 rts ! rts pp 272 212: 213: 0100 1110 0111 0110 trapv ! trapv pp 294 214: 215: 0100 1110 0111 0111 rtr ! rtr pp 271 216: 217: .if m68010 || m68020 || m68030 218: specop specop16 movec 219: 0100 1110 0111 101? movec ! movec pp 475 220: .endif 221: 222: 0100 1110 10xx xxxx jsr X, x0/control ! jsr pp 212 223: 0100 1110 11xx xxxx jmp X, x0/control ! jmp pp 211 224: 225: eax-cat movem_rm un nnynyyyyynnnnnn 226: eax-cat movem_mr un nnyynyyyyyynnnn 227: specop specop16 movem_rm.s movem_mr.s 228: 0100 1000 10xx xxxx movem_rm16 X, x0/movem_rm ! movem pp 231 229: 0100 1000 11xx xxxx movem_rm32 X, x0/movem_rm ! movem pp 231 230: 0100 1100 10xx xxxx movem_mr16 X, x0/movem_mr ! movem pp 231 231: 0100 1100 11xx xxxx movem_mr32 X, x0/movem_mr ! movem pp 231 232: 233: 0100 aaa1 11xx xxxx lea %a.32, x0/control ! lea pp 213 234: 235: 0100 ddd1 00xx xxxx chk32 %d.32, x32/data ! chk pp 173 236: 0100 ddd1 10xx xxxx chk16 %d.16, x16/data ! chk pp 173 237: 238: eax-cat alterable rw ynyyyyyyynnnnnn 239: 0101 qqq0 ss00 1aaa adda32 #q.32, %a.32 ! addq pp 114 240: 0101 qqq0 ssxx xxxx add.s #q.s, xs/alterable ! addq pp 114 241: 0101 qqq1 ss00 1aaa suba32 #q.32, %a.32 ! subq pp 284 242: 0101 qqq1 ssxx xxxx sub.s #q.s, xs/alterable ! subq pp 284 243: 244: 0101 cccc 1100 1ddd dbcc %d.16, #16 ! dbcc pp 193 245: 246: .if m68020 || m68030 247: 0101 cccc 1111 1010 trapcc #16 ! trapcc pp 292 248: 0101 cccc 1111 1011 trapcc #32 ! trapcc pp 292 249: 0101 cccc 1111 1100 trapcc ! trapcc pp 292 250: .endif 251: 252: 0101 cccc 11xx xxxx scc X, x8/datalt ! scc pp 275 253: 1.1.1.3 ! root 254: 0110 0001 0000 0000 bsrl*** #16S32 ! bsr pp 162 ! 255: .if m68020 || m68030 ! 256: 0110 0001 1111 1111 bsrl*** #32 ! bsr pp 162 ! 257: .endif ! 258: 0110 0001 ???? ???? bsr* ! bsr pp 162 ! 259: 0110 cccc 0000 0000 bccl* #16S32 ! bcc pp 128 ! 260: .if m68020 || m68030 ! 261: 0110 cccc 1111 1111 bccl* #32 ! bcc pp 128 ! 262: .endif ! 263: 0110 cccc ???? ???? bcc ! bcc pp 128 1.1 root 264: 265: 0111 ddd0 ???? ???? moveq32 X, %d.32 ! moveq pp 237 266: 267: 1000 ddd0 11xx xxxx divu #d, x16/data ! divu pp 199 268: 269: 1000 ???1 0000 ???? sbcd ! sbcd pp 273 270: .if m68020 || m68030 271: specop specop16 pack unpk 272: 1000 ???1 0100 ???? pack ! pack pp 259 273: 1000 ???1 1000 ???? unpk ! unpk pp 298 274: .endif 275: 276: 1000 ddd1 11xx xxxx divs #d, x16/data ! divs pp 195 277: 278: 1000 ddd0 ssxx xxxx or.s xs/data, %d.s ! or pp 253 279: 1000 ddd1 ssxx xxxx or.s %d.s, xs/memalt ! or pp 253 280: 281: 1001 ???1 ss00 ???? subx.s ! subx pp 286 282: 283: 1001 ddd0 ssxx xxxx sub.s xs/all, %d.s ! sub pp 277 284: 1001 ddd1 ssxx xxxx sub.s %d.s, xs/memalt ! sub pp 277 285: 1001 aaa0 11xx xxxx suba16 x16/all, %a.32 ! suba pp 280 286: 1001 aaa1 11xx xxxx suba32 x32/all, %a.32 ! suba pp 280 287: 288: 1011 ???1 ss00 1??? cmpm.s ! cmpm pp 184 289: 290: 1011 ddd0 ssxx xxxx cmp.s xs/all, %d.s ! cmp pp 178 291: 1011 ddd1 ssxx xxxx eor.s %d.s, xs/datalt ! eor pp 203 292: 1011 aaa0 11xx xxxx cmpa16 x16/all, %a.32 ! cmpa pp 180 293: 1011 aaa1 11xx xxxx cmp32 x32/all, %a.32 ! cmpa pp 180 294: 295: 1100 ddd0 11xx xxxx mulu #d, x16/data ! mulu pp 241 296: 297: 1100 ???1 0000 ???? abcd ! abcd pp 105 298: 299: 1100 ddd1 11xx xxxx muls #d, x16/data ! muls pp 238 300: 301: 1100 ddd1 0100 0DDD exg %d.32, %D.32 ! exg pp 208 302: 1100 aaa1 0100 1AAA exg %a.32, %A.32 ! exg pp 208 303: 1100 ddd1 1000 1aaa exg %d.32, %a.32 ! exg pp 208 304: 305: 1100 ddd0 ssxx xxxx and.s xs/data, %d.s ! and pp 118 306: 1100 ddd1 ssxx xxxx and.s %d.s, xs/memalt ! and pp 118 307: 308: 1101 ???1 ss00 ???? addx.s ! addx pp 116 309: 310: 1101 ddd0 ssxx xxxx add.s xs/all, %d.s ! add pp 107 311: 1101 ddd1 ssxx xxxx add.s %d.s, xs/memalt ! add pp 107 312: 1101 aaa0 11xx xxxx adda16 x16/all, %a.32 ! adda pp 110 313: 1101 aaa1 11xx xxxx adda32 x32/all, %a.32 ! adda pp 110 314: 315: 1110 0000 11xx xxxx asr16 #1.8, x16/memalt ! asr pp 124 316: 1110 0001 11xx xxxx asl16 #1.8, x16/memalt ! asl pp 124 317: 318: 1110 0010 11xx xxxx lsr16 #1.8, x16/memalt ! lsr pp 216 319: 1110 0011 11xx xxxx lsl16 #1.8, x16/memalt ! lsl pp 216 320: 321: 1110 0100 11xx xxxx roxr16 #1.8, x16/memalt ! roxr pp 263 322: 1110 0101 11xx xxxx roxl16 #1.8, x16/memalt ! roxl pp 263 323: 324: 1110 0110 11xx xxxx ror16 #1.8, x16/memalt ! ror pp 263 325: 1110 0111 11xx xxxx rol16 #1.8, x16/memalt ! rol pp 263 326: 327: .if m68020 || m68030 328: eax-cat bitfieldro un nnynnyyyyyynnnn 329: eax-cat bitfieldrw un nnynnyyyynnnnnn 330: specop specop16 bftst bfextu bfchg bfexts bfclr bfffo bfset bfins 331: 1110 1000 1100 0ddd bftst ! bftst pp 154 332: 1110 1000 11xx xxxx bftst X, x0/bitfieldro ! bftst pp 154 333: 1110 1001 1100 0ddd bfextu ! bfextu pp 143 334: 1110 1001 11xx xxxx bfextu X, x0/bitfieldro ! bfextu pp 143 335: 1110 1010 1100 0ddd bfchg ! bfchg pp 137 336: 1110 1010 11xx xxxx bfchg X, x0/bitfieldrw ! bfchg pp 137 337: 1110 1011 1100 0ddd bfexts ! bfexts pp 141 338: 1110 1011 11xx xxxx bfexts X, x0/bitfieldro ! bfexts pp 141 339: 1110 1100 1100 0ddd bfclr ! bfclr pp 138 340: 1110 1100 11xx xxxx bfclr X, x0/bitfieldrw ! bfclr pp 138 341: 1110 1101 1100 0ddd bfffo ! bfffo pp 146 342: 1110 1101 11xx xxxx bfffo X, x0/bitfieldro ! bfffo pp 146 343: 1110 1110 1100 0ddd bfset ! bfset pp 152 344: 1110 1110 11xx xxxx bfset X, x0/bitfieldrw ! bfset pp 152 345: 1110 1111 1100 0ddd bfins ! bfins pp 149 346: 1110 1111 11xx xxxx bfins X, x0/bitfieldrw ! bfins pp 149 347: .endif 348: 349: 1110 qqq0 ss00 0ddd asr.s #q.8, %d.s ! asr pp 124 350: 1110 DDD0 ss10 0ddd asr.s %D.8, %d.s ! asr pp 124 351: 1110 qqq1 ss00 0ddd asl.s #q.8, %d.s ! asl pp 124 352: 1110 DDD1 ss10 0ddd asl.s %D.8, %d.s ! asl pp 124 353: 354: 1110 qqq0 ss00 1ddd lsr.s #q.8, %d.s ! lsr pp 216 355: 1110 DDD0 ss10 1ddd lsr.s %D.8, %d.s ! lsr pp 216 356: 1110 qqq1 ss00 1ddd lsl.s #q.8, %d.s ! lsl pp 216 357: 1110 DDD1 ss10 1ddd lsl.s %D.8, %d.s ! lsl pp 216 358: 359: 1110 qqq0 ss01 0ddd roxr.s #q.8, %d.s ! roxr pp 263 360: 1110 DDD0 ss11 0ddd roxr.s %D.8, %d.s ! roxr pp 263 361: 1110 qqq1 ss01 0ddd roxl.s #q.8, %d.s ! roxl pp 263 362: 1110 DDD1 ss11 0ddd roxl.s %D.8, %d.s ! roxl pp 263 363: 364: 1110 qqq0 ss01 1ddd ror.s #q.8, %d.s ! ror pp 263 365: 1110 DDD0 ss11 1ddd ror.s %D.8, %d.s ! ror pp 263 366: 1110 qqq1 ss01 1ddd rol.s #q.8, %d.s ! rol pp 263 367: 1110 DDD1 ss11 1ddd rol.s %D.8, %d.s ! rol pp 263 1.1.1.3 ! root 368: ! 369: .if m68020 || m68030 ! 370: specop fpgen fpgen ! 371: 1111 0010 00xx xxxx fpgen X, x32/all ! cpgen pp 189 ! 372: specop specop16 fdbcc ftrapcc fscc ! 373: 1111 0010 0100 1ddd fdbcc %d.16, #16 ! fdbcc pp 335 ! 374: 1111 0010 0111 1010 ftrapcc #16 ! ftrapcc pp 446 ! 375: 1111 0010 0111 1011 ftrapcc #32 ! ftrapcc pp 446 ! 376: 1111 0010 0111 1100 ftrapcc ! ftrapcc pp 446 ! 377: 1111 0010 01xx xxxx fscc X, x8/datalt ! fscc pp 411 ! 378: 1111 0010 10?? ???? fbcc #16S32 ! fbcc pp 324 ! 379: 1111 0010 11?? ???? fbcc #32 ! fbcc pp 324 ! 380: 1111 0011 00xx xxxx fsave X, x0/movem_rm ! fsave pp 467 ! 381: 1111 0011 01xx xxxx frestore X, x0/movem_mr ! frestore pp 464 ! 382: .endif
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