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1181 |
sfurman |
/* Opcode table for the Atmel AVR micro controllers.
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Copyright 2000 Free Software Foundation, Inc.
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Contributed by Denis Chertykov <denisc@overta.ru>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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#define AVR_ISA_1200 0x0001 /* in the beginning there was ... */
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#define AVR_ISA_LPM 0x0002 /* device has LPM */
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#define AVR_ISA_LPMX 0x0004 /* device has LPM Rd,Z[+] */
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#define AVR_ISA_SRAM 0x0008 /* device has SRAM (LD, ST, PUSH, POP, ...) */
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#define AVR_ISA_MEGA 0x0020 /* device has >8K program memory (JMP and CALL
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supported, no 8K wrap on RJMP and RCALL) */
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#define AVR_ISA_MUL 0x0040 /* device has new core (MUL, MOVW, ...) */
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#define AVR_ISA_ELPM 0x0080 /* device has >64K program memory (ELPM) */
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#define AVR_ISA_ELPMX 0x0100 /* device has ELPM Rd,Z[+] */
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#define AVR_ISA_SPM 0x0200 /* device can program itself */
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#define AVR_ISA_BRK 0x0400 /* device has BREAK (on-chip debug) */
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#define AVR_ISA_EIND 0x0800 /* device has >128K program memory (none yet) */
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#define AVR_ISA_TINY1 (AVR_ISA_1200 | AVR_ISA_LPM)
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#define AVR_ISA_2xxx (AVR_ISA_TINY1 | AVR_ISA_SRAM)
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#define AVR_ISA_M8 (AVR_ISA_2xxx | AVR_ISA_MUL | AVR_ISA_LPMX | AVR_ISA_SPM)
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#define AVR_ISA_M603 (AVR_ISA_2xxx | AVR_ISA_MEGA)
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#define AVR_ISA_M103 (AVR_ISA_M603 | AVR_ISA_ELPM)
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#define AVR_ISA_M161 (AVR_ISA_M603 | AVR_ISA_MUL | AVR_ISA_LPMX | AVR_ISA_SPM)
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#define AVR_ISA_94K (AVR_ISA_M603 | AVR_ISA_MUL | AVR_ISA_LPMX)
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#define AVR_ISA_M323 (AVR_ISA_M161 | AVR_ISA_BRK)
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#define AVR_ISA_M128 (AVR_ISA_M323 | AVR_ISA_ELPM | AVR_ISA_ELPMX)
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#define AVR_ISA_ALL 0xFFFF
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#define REGISTER_P(x) ((x) == 'r' \
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|| (x) == 'd' \
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|| (x) == 'w' \
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|| (x) == 'a' \
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|| (x) == 'v')
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/* Undefined combination of operands - does the register
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operand overlap with pre-decremented or post-incremented
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pointer register (like ld r31,Z+)? */
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#define AVR_UNDEF_P(x) (((x) & 0xFFED) == 0x91E5 || \
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((x) & 0xFDEF) == 0x91AD || ((x) & 0xFDEF) == 0x91AE || \
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((x) & 0xFDEF) == 0x91C9 || ((x) & 0xFDEF) == 0x91CA || \
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((x) & 0xFDEF) == 0x91E1 || ((x) & 0xFDEF) == 0x91E2)
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/* Is this a skip instruction {cpse,sbic,sbis,sbrc,sbrs}? */
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#define AVR_SKIP_P(x) (((x) & 0xFC00) == 0x1000 || \
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((x) & 0xFD00) == 0x9900 || ((x) & 0xFC08) == 0xFC00)
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/* Is this `ldd r,b+0' or `std b+0,r' (b={Y,Z}, disassembled as
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`ld r,b' or `st b,r' respectively - next opcode entry)? */
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#define AVR_DISP0_P(x) (((x) & 0xFC07) == 0x8000)
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/* constraint letters
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r - any register
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d - `ldi' register (r16-r31)
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v - `movw' even register (r0, r2, ..., r28, r30)
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a - `fmul' register (r16-r23)
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w - `adiw' register (r24,r26,r28,r30)
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e - pointer registers (X,Y,Z)
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b - base pointer register and displacement ([YZ]+disp)
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z - Z pointer register (for [e]lpm Rd,Z[+])
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M - immediate value from 0 to 255
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n - immediate value from 0 to 255 ( n = ~M ). Relocation impossible
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s - immediate value from 0 to 7
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P - Port address value from 0 to 63. (in, out)
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p - Port address value from 0 to 31. (cbi, sbi, sbic, sbis)
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K - immediate value from 0 to 63 (used in `adiw', `sbiw')
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i - immediate value
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l - signed pc relative offset from -64 to 63
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L - signed pc relative offset from -2048 to 2047
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h - absolute code address (call, jmp)
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S - immediate value from 0 to 7 (S = s << 4)
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? - use this opcode entry if no parameters, else use next opcode entry
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Order is important - some binary opcodes have more than one name,
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the disassembler will only see the first match.
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Remaining undefined opcodes (1699 total - some of them might work
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as normal instructions if not all of the bits are decoded):
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0x0001...0x00ff (255) (known to be decoded as `nop' by the old core)
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"100100xxxxxxx011" (128) 0x9[0-3][0-9a-f][3b]
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"100100xxxxxx1000" (64) 0x9[0-3][0-9a-f]8
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"1001001xxxxx01xx" (128) 0x9[23][0-9a-f][4-7]
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"1001010xxxxx0100" (32) 0x9[45][0-9a-f]4
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"1001010x001x1001" (4) 0x9[45][23]9
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"1001010x01xx1001" (8) 0x9[45][4-7]9
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"1001010x1xxx1001" (16) 0x9[45][8-9a-f]9
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"1001010xxxxx1011" (32) 0x9[45][0-9a-f]b
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"10010101001x1000" (2) 0x95[23]8
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"1001010101xx1000" (4) 0x95[4-7]8
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"1001010110111000" (1) 0x95b8
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"1001010111111000" (1) 0x95f8 (`espm' removed in databook update)
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"11111xxxxxxx1xxx" (1024) 0xf[8-9a-f][0-9a-f][8-9a-f]
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*/
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AVR_INSN (clc, "", "1001010010001000", 1, AVR_ISA_1200, 0x9488)
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AVR_INSN (clh, "", "1001010011011000", 1, AVR_ISA_1200, 0x94d8)
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AVR_INSN (cli, "", "1001010011111000", 1, AVR_ISA_1200, 0x94f8)
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AVR_INSN (cln, "", "1001010010101000", 1, AVR_ISA_1200, 0x94a8)
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AVR_INSN (cls, "", "1001010011001000", 1, AVR_ISA_1200, 0x94c8)
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AVR_INSN (clt, "", "1001010011101000", 1, AVR_ISA_1200, 0x94e8)
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AVR_INSN (clv, "", "1001010010111000", 1, AVR_ISA_1200, 0x94b8)
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AVR_INSN (clz, "", "1001010010011000", 1, AVR_ISA_1200, 0x9498)
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AVR_INSN (sec, "", "1001010000001000", 1, AVR_ISA_1200, 0x9408)
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AVR_INSN (seh, "", "1001010001011000", 1, AVR_ISA_1200, 0x9458)
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AVR_INSN (sei, "", "1001010001111000", 1, AVR_ISA_1200, 0x9478)
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AVR_INSN (sen, "", "1001010000101000", 1, AVR_ISA_1200, 0x9428)
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AVR_INSN (ses, "", "1001010001001000", 1, AVR_ISA_1200, 0x9448)
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AVR_INSN (set, "", "1001010001101000", 1, AVR_ISA_1200, 0x9468)
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AVR_INSN (sev, "", "1001010000111000", 1, AVR_ISA_1200, 0x9438)
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AVR_INSN (sez, "", "1001010000011000", 1, AVR_ISA_1200, 0x9418)
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/* Same as {cl,se}[chinstvz] above. */
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AVR_INSN (bclr, "S", "100101001SSS1000", 1, AVR_ISA_1200, 0x9488)
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AVR_INSN (bset, "S", "100101000SSS1000", 1, AVR_ISA_1200, 0x9408)
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AVR_INSN (icall,"", "1001010100001001", 1, AVR_ISA_2xxx, 0x9509)
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AVR_INSN (ijmp, "", "1001010000001001", 1, AVR_ISA_2xxx, 0x9409)
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AVR_INSN (lpm, "?", "1001010111001000", 1, AVR_ISA_TINY1,0x95c8)
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AVR_INSN (lpm, "r,z", "1001000ddddd010+", 1, AVR_ISA_LPMX, 0x9004)
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AVR_INSN (elpm, "?", "1001010111011000", 1, AVR_ISA_ELPM, 0x95d8)
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AVR_INSN (elpm, "r,z", "1001000ddddd011+", 1, AVR_ISA_ELPMX,0x9006)
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AVR_INSN (nop, "", "0000000000000000", 1, AVR_ISA_1200, 0x0000)
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AVR_INSN (ret, "", "1001010100001000", 1, AVR_ISA_1200, 0x9508)
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AVR_INSN (reti, "", "1001010100011000", 1, AVR_ISA_1200, 0x9518)
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AVR_INSN (sleep,"", "1001010110001000", 1, AVR_ISA_1200, 0x9588)
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AVR_INSN (break,"", "1001010110011000", 1, AVR_ISA_BRK, 0x9598)
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AVR_INSN (wdr, "", "1001010110101000", 1, AVR_ISA_1200, 0x95a8)
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AVR_INSN (spm, "", "1001010111101000", 1, AVR_ISA_SPM, 0x95e8)
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AVR_INSN (adc, "r,r", "000111rdddddrrrr", 1, AVR_ISA_1200, 0x1c00)
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AVR_INSN (add, "r,r", "000011rdddddrrrr", 1, AVR_ISA_1200, 0x0c00)
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AVR_INSN (and, "r,r", "001000rdddddrrrr", 1, AVR_ISA_1200, 0x2000)
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AVR_INSN (cp, "r,r", "000101rdddddrrrr", 1, AVR_ISA_1200, 0x1400)
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AVR_INSN (cpc, "r,r", "000001rdddddrrrr", 1, AVR_ISA_1200, 0x0400)
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AVR_INSN (cpse, "r,r", "000100rdddddrrrr", 1, AVR_ISA_1200, 0x1000)
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AVR_INSN (eor, "r,r", "001001rdddddrrrr", 1, AVR_ISA_1200, 0x2400)
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AVR_INSN (mov, "r,r", "001011rdddddrrrr", 1, AVR_ISA_1200, 0x2c00)
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AVR_INSN (mul, "r,r", "100111rdddddrrrr", 1, AVR_ISA_MUL, 0x9c00)
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AVR_INSN (or, "r,r", "001010rdddddrrrr", 1, AVR_ISA_1200, 0x2800)
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AVR_INSN (sbc, "r,r", "000010rdddddrrrr", 1, AVR_ISA_1200, 0x0800)
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AVR_INSN (sub, "r,r", "000110rdddddrrrr", 1, AVR_ISA_1200, 0x1800)
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/* Shorthand for {eor,add,adc,and} r,r above. */
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AVR_INSN (clr, "r=r", "001001rdddddrrrr", 1, AVR_ISA_1200, 0x2400)
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AVR_INSN (lsl, "r=r", "000011rdddddrrrr", 1, AVR_ISA_1200, 0x0c00)
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AVR_INSN (rol, "r=r", "000111rdddddrrrr", 1, AVR_ISA_1200, 0x1c00)
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AVR_INSN (tst, "r=r", "001000rdddddrrrr", 1, AVR_ISA_1200, 0x2000)
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AVR_INSN (andi, "d,M", "0111KKKKddddKKKK", 1, AVR_ISA_1200, 0x7000)
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/*XXX special case*/
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AVR_INSN (cbr, "d,n", "0111KKKKddddKKKK", 1, AVR_ISA_1200, 0x7000)
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AVR_INSN (ldi, "d,M", "1110KKKKddddKKKK", 1, AVR_ISA_1200, 0xe000)
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AVR_INSN (ser, "d", "11101111dddd1111", 1, AVR_ISA_1200, 0xef0f)
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| 175 |
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AVR_INSN (ori, "d,M", "0110KKKKddddKKKK", 1, AVR_ISA_1200, 0x6000)
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| 176 |
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AVR_INSN (sbr, "d,M", "0110KKKKddddKKKK", 1, AVR_ISA_1200, 0x6000)
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| 177 |
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| 178 |
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AVR_INSN (cpi, "d,M", "0011KKKKddddKKKK", 1, AVR_ISA_1200, 0x3000)
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| 179 |
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AVR_INSN (sbci, "d,M", "0100KKKKddddKKKK", 1, AVR_ISA_1200, 0x4000)
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| 180 |
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AVR_INSN (subi, "d,M", "0101KKKKddddKKKK", 1, AVR_ISA_1200, 0x5000)
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| 181 |
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| 182 |
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AVR_INSN (sbrc, "r,s", "1111110rrrrr0sss", 1, AVR_ISA_1200, 0xfc00)
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| 183 |
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AVR_INSN (sbrs, "r,s", "1111111rrrrr0sss", 1, AVR_ISA_1200, 0xfe00)
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| 184 |
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AVR_INSN (bld, "r,s", "1111100ddddd0sss", 1, AVR_ISA_1200, 0xf800)
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| 185 |
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AVR_INSN (bst, "r,s", "1111101ddddd0sss", 1, AVR_ISA_1200, 0xfa00)
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| 186 |
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| 187 |
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AVR_INSN (in, "r,P", "10110PPdddddPPPP", 1, AVR_ISA_1200, 0xb000)
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| 188 |
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AVR_INSN (out, "P,r", "10111PPrrrrrPPPP", 1, AVR_ISA_1200, 0xb800)
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| 189 |
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| 190 |
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AVR_INSN (adiw, "w,K", "10010110KKddKKKK", 1, AVR_ISA_2xxx, 0x9600)
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| 191 |
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AVR_INSN (sbiw, "w,K", "10010111KKddKKKK", 1, AVR_ISA_2xxx, 0x9700)
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| 192 |
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| 193 |
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AVR_INSN (cbi, "p,s", "10011000pppppsss", 1, AVR_ISA_1200, 0x9800)
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| 194 |
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AVR_INSN (sbi, "p,s", "10011010pppppsss", 1, AVR_ISA_1200, 0x9a00)
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| 195 |
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AVR_INSN (sbic, "p,s", "10011001pppppsss", 1, AVR_ISA_1200, 0x9900)
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| 196 |
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AVR_INSN (sbis, "p,s", "10011011pppppsss", 1, AVR_ISA_1200, 0x9b00)
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| 197 |
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| 198 |
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AVR_INSN (brcc, "l", "111101lllllll000", 1, AVR_ISA_1200, 0xf400)
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| 199 |
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AVR_INSN (brcs, "l", "111100lllllll000", 1, AVR_ISA_1200, 0xf000)
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| 200 |
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AVR_INSN (breq, "l", "111100lllllll001", 1, AVR_ISA_1200, 0xf001)
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| 201 |
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AVR_INSN (brge, "l", "111101lllllll100", 1, AVR_ISA_1200, 0xf404)
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| 202 |
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AVR_INSN (brhc, "l", "111101lllllll101", 1, AVR_ISA_1200, 0xf405)
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| 203 |
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AVR_INSN (brhs, "l", "111100lllllll101", 1, AVR_ISA_1200, 0xf005)
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| 204 |
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AVR_INSN (brid, "l", "111101lllllll111", 1, AVR_ISA_1200, 0xf407)
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| 205 |
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AVR_INSN (brie, "l", "111100lllllll111", 1, AVR_ISA_1200, 0xf007)
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| 206 |
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AVR_INSN (brlo, "l", "111100lllllll000", 1, AVR_ISA_1200, 0xf000)
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| 207 |
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AVR_INSN (brlt, "l", "111100lllllll100", 1, AVR_ISA_1200, 0xf004)
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| 208 |
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AVR_INSN (brmi, "l", "111100lllllll010", 1, AVR_ISA_1200, 0xf002)
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| 209 |
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AVR_INSN (brne, "l", "111101lllllll001", 1, AVR_ISA_1200, 0xf401)
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| 210 |
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AVR_INSN (brpl, "l", "111101lllllll010", 1, AVR_ISA_1200, 0xf402)
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| 211 |
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AVR_INSN (brsh, "l", "111101lllllll000", 1, AVR_ISA_1200, 0xf400)
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| 212 |
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AVR_INSN (brtc, "l", "111101lllllll110", 1, AVR_ISA_1200, 0xf406)
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| 213 |
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AVR_INSN (brts, "l", "111100lllllll110", 1, AVR_ISA_1200, 0xf006)
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| 214 |
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AVR_INSN (brvc, "l", "111101lllllll011", 1, AVR_ISA_1200, 0xf403)
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| 215 |
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AVR_INSN (brvs, "l", "111100lllllll011", 1, AVR_ISA_1200, 0xf003)
|
| 216 |
|
|
|
| 217 |
|
|
/* Same as br?? above. */
|
| 218 |
|
|
AVR_INSN (brbc, "s,l", "111101lllllllsss", 1, AVR_ISA_1200, 0xf400)
|
| 219 |
|
|
AVR_INSN (brbs, "s,l", "111100lllllllsss", 1, AVR_ISA_1200, 0xf000)
|
| 220 |
|
|
|
| 221 |
|
|
AVR_INSN (rcall, "L", "1101LLLLLLLLLLLL", 1, AVR_ISA_1200, 0xd000)
|
| 222 |
|
|
AVR_INSN (rjmp, "L", "1100LLLLLLLLLLLL", 1, AVR_ISA_1200, 0xc000)
|
| 223 |
|
|
|
| 224 |
|
|
AVR_INSN (call, "h", "1001010hhhhh111h", 2, AVR_ISA_MEGA, 0x940e)
|
| 225 |
|
|
AVR_INSN (jmp, "h", "1001010hhhhh110h", 2, AVR_ISA_MEGA, 0x940c)
|
| 226 |
|
|
|
| 227 |
|
|
AVR_INSN (asr, "r", "1001010rrrrr0101", 1, AVR_ISA_1200, 0x9405)
|
| 228 |
|
|
AVR_INSN (com, "r", "1001010rrrrr0000", 1, AVR_ISA_1200, 0x9400)
|
| 229 |
|
|
AVR_INSN (dec, "r", "1001010rrrrr1010", 1, AVR_ISA_1200, 0x940a)
|
| 230 |
|
|
AVR_INSN (inc, "r", "1001010rrrrr0011", 1, AVR_ISA_1200, 0x9403)
|
| 231 |
|
|
AVR_INSN (lsr, "r", "1001010rrrrr0110", 1, AVR_ISA_1200, 0x9406)
|
| 232 |
|
|
AVR_INSN (neg, "r", "1001010rrrrr0001", 1, AVR_ISA_1200, 0x9401)
|
| 233 |
|
|
AVR_INSN (pop, "r", "1001000rrrrr1111", 1, AVR_ISA_2xxx, 0x900f)
|
| 234 |
|
|
AVR_INSN (push, "r", "1001001rrrrr1111", 1, AVR_ISA_2xxx, 0x920f)
|
| 235 |
|
|
AVR_INSN (ror, "r", "1001010rrrrr0111", 1, AVR_ISA_1200, 0x9407)
|
| 236 |
|
|
AVR_INSN (swap, "r", "1001010rrrrr0010", 1, AVR_ISA_1200, 0x9402)
|
| 237 |
|
|
|
| 238 |
|
|
/* Known to be decoded as `nop' by the old core. */
|
| 239 |
|
|
AVR_INSN (movw, "v,v", "00000001ddddrrrr", 1, AVR_ISA_MUL, 0x0100)
|
| 240 |
|
|
AVR_INSN (muls, "d,d", "00000010ddddrrrr", 1, AVR_ISA_MUL, 0x0200)
|
| 241 |
|
|
AVR_INSN (mulsu,"a,a", "000000110ddd0rrr", 1, AVR_ISA_MUL, 0x0300)
|
| 242 |
|
|
AVR_INSN (fmul, "a,a", "000000110ddd1rrr", 1, AVR_ISA_MUL, 0x0308)
|
| 243 |
|
|
AVR_INSN (fmuls,"a,a", "000000111ddd0rrr", 1, AVR_ISA_MUL, 0x0380)
|
| 244 |
|
|
AVR_INSN (fmulsu,"a,a","000000111ddd1rrr", 1, AVR_ISA_MUL, 0x0388)
|
| 245 |
|
|
|
| 246 |
|
|
AVR_INSN (sts, "i,r", "1001001ddddd0000", 2, AVR_ISA_2xxx, 0x9200)
|
| 247 |
|
|
AVR_INSN (lds, "r,i", "1001000ddddd0000", 2, AVR_ISA_2xxx, 0x9000)
|
| 248 |
|
|
|
| 249 |
|
|
/* Special case for b+0, `e' must be next entry after `b',
|
| 250 |
|
|
b={Y=1,Z=0}, ee={X=11,Y=10,Z=00}, !=1 if -e or e+ or X. */
|
| 251 |
|
|
AVR_INSN (ldd, "r,b", "10o0oo0dddddbooo", 1, AVR_ISA_2xxx, 0x8000)
|
| 252 |
|
|
AVR_INSN (ld, "r,e", "100!000dddddee-+", 1, AVR_ISA_1200, 0x8000)
|
| 253 |
|
|
AVR_INSN (std, "b,r", "10o0oo1rrrrrbooo", 1, AVR_ISA_2xxx, 0x8200)
|
| 254 |
|
|
AVR_INSN (st, "e,r", "100!001rrrrree-+", 1, AVR_ISA_1200, 0x8200)
|
| 255 |
|
|
|
| 256 |
|
|
/* These are for devices that don't exist yet
|
| 257 |
|
|
(>128K program memory, PC = EIND:Z). */
|
| 258 |
|
|
AVR_INSN (eicall, "", "1001010100011001", 1, AVR_ISA_EIND, 0x9519)
|
| 259 |
|
|
AVR_INSN (eijmp, "", "1001010000011001", 1, AVR_ISA_EIND, 0x9419)
|
| 260 |
|
|
|
