| 1 | /* Opcode table for the TI MSP430 microcontrollers |
| 2 | |
| 3 | Copyright (C) 2002-2019 Free Software Foundation, Inc. |
| 4 | Contributed by Dmitry Diky <diwil@mail.ru> |
| 5 | |
| 6 | This program is free software; you can redistribute it and/or modify |
| 7 | it under the terms of the GNU General Public License as published by |
| 8 | the Free Software Foundation; either version 3, or (at your option) |
| 9 | any later version. |
| 10 | |
| 11 | This program is distributed in the hope that it will be useful, |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | GNU General Public License for more details. |
| 15 | |
| 16 | You should have received a copy of the GNU General Public License |
| 17 | along with this program; if not, write to the Free Software |
| 18 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
| 19 | MA 02110-1301, USA. */ |
| 20 | |
| 21 | #ifndef __MSP430_H_ |
| 22 | #define __MSP430_H_ |
| 23 | |
| 24 | struct msp430_operand_s |
| 25 | { |
| 26 | int ol; /* Operand length words. */ |
| 27 | int am; /* Addr mode. */ |
| 28 | int reg; /* Register. */ |
| 29 | int mode; /* Operand mode. */ |
| 30 | int vshift; /* Number of bytes to shift operand down. */ |
| 31 | #define OP_REG 0 |
| 32 | #define OP_EXP 1 |
| 33 | #ifndef DASM_SECTION |
| 34 | expressionS exp; |
| 35 | #endif |
| 36 | }; |
| 37 | |
| 38 | /* Byte operation flag for all instructions. Also used as the |
| 39 | A/L bit in the extension word to indicate a 20-bit operation. */ |
| 40 | #define BYTE_OPERATION (1 << 6) |
| 41 | /* Z/C bit in the extension word. If set the carry bit is ignored |
| 42 | for the duration of the operation, although it may be changed as |
| 43 | a result of the operation. */ |
| 44 | #define IGNORE_CARRY_BIT (1 << 8) |
| 45 | |
| 46 | struct msp430_opcode_s |
| 47 | { |
| 48 | const char *name; |
| 49 | int fmt; |
| 50 | int insn_opnumb; |
| 51 | int bin_opcode; |
| 52 | int bin_mask; |
| 53 | }; |
| 54 | |
| 55 | #define MSP_INSN(name, fmt, numb, bin, mask) { #name, fmt, numb, bin, mask } |
| 56 | |
| 57 | static struct msp430_opcode_s msp430_opcodes[] = |
| 58 | { |
| 59 | MSP_INSN (and, 1, 2, 0xf000, 0xf000), |
| 60 | MSP_INSN (inv, 0, 1, 0xe330, 0xfff0), |
| 61 | MSP_INSN (xor, 1, 2, 0xe000, 0xf000), |
| 62 | MSP_INSN (setz, 0, 0, 0xd322, 0xffff), |
| 63 | MSP_INSN (setc, 0, 0, 0xd312, 0xffff), |
| 64 | MSP_INSN (eint, 0, 0, 0xd232, 0xffff), |
| 65 | MSP_INSN (setn, 0, 0, 0xd222, 0xffff), |
| 66 | MSP_INSN (bis, 1, 2, 0xd000, 0xf000), |
| 67 | MSP_INSN (clrz, 0, 0, 0xc322, 0xffff), |
| 68 | MSP_INSN (clrc, 0, 0, 0xc312, 0xffff), |
| 69 | MSP_INSN (dint, 0, 0, 0xc232, 0xffff), |
| 70 | MSP_INSN (clrn, 0, 0, 0xc222, 0xffff), |
| 71 | MSP_INSN (bic, 1, 2, 0xc000, 0xf000), |
| 72 | MSP_INSN (bit, 1, 2, 0xb000, 0xf000), |
| 73 | MSP_INSN (dadc, 0, 1, 0xa300, 0xff30), |
| 74 | MSP_INSN (dadd, 1, 2, 0xa000, 0xf000), |
| 75 | MSP_INSN (tst, 0, 1, 0x9300, 0xff30), |
| 76 | MSP_INSN (cmp, 1, 2, 0x9000, 0xf000), |
| 77 | MSP_INSN (decd, 0, 1, 0x8320, 0xff30), |
| 78 | MSP_INSN (dec, 0, 1, 0x8310, 0xff30), |
| 79 | MSP_INSN (sub, 1, 2, 0x8000, 0xf000), |
| 80 | MSP_INSN (sbc, 0, 1, 0x7300, 0xff30), |
| 81 | MSP_INSN (subc, 1, 2, 0x7000, 0xf000), |
| 82 | MSP_INSN (adc, 0, 1, 0x6300, 0xff30), |
| 83 | MSP_INSN (rlc, 0, 2, 0x6000, 0xf000), |
| 84 | MSP_INSN (addc, 1, 2, 0x6000, 0xf000), |
| 85 | MSP_INSN (incd, 0, 1, 0x5320, 0xff30), |
| 86 | MSP_INSN (inc, 0, 1, 0x5310, 0xff30), |
| 87 | MSP_INSN (rla, 0, 2, 0x5000, 0xf000), |
| 88 | MSP_INSN (add, 1, 2, 0x5000, 0xf000), |
| 89 | MSP_INSN (nop, 0, 0, 0x4303, 0xffff), |
| 90 | MSP_INSN (clr, 0, 1, 0x4300, 0xff30), |
| 91 | MSP_INSN (ret, 0, 0, 0x4130, 0xff30), |
| 92 | MSP_INSN (pop, 0, 1, 0x4130, 0xff30), |
| 93 | MSP_INSN (br, 0, 3, 0x4000, 0xf000), |
| 94 | MSP_INSN (mov, 1, 2, 0x4000, 0xf000), |
| 95 | MSP_INSN (jmp, 3, 1, 0x3c00, 0xfc00), |
| 96 | MSP_INSN (jl, 3, 1, 0x3800, 0xfc00), |
| 97 | MSP_INSN (jge, 3, 1, 0x3400, 0xfc00), |
| 98 | MSP_INSN (jn, 3, 1, 0x3000, 0xfc00), |
| 99 | MSP_INSN (jc, 3, 1, 0x2c00, 0xfc00), |
| 100 | MSP_INSN (jhs, 3, 1, 0x2c00, 0xfc00), |
| 101 | MSP_INSN (jnc, 3, 1, 0x2800, 0xfc00), |
| 102 | MSP_INSN (jlo, 3, 1, 0x2800, 0xfc00), |
| 103 | MSP_INSN (jz, 3, 1, 0x2400, 0xfc00), |
| 104 | MSP_INSN (jeq, 3, 1, 0x2400, 0xfc00), |
| 105 | MSP_INSN (jnz, 3, 1, 0x2000, 0xfc00), |
| 106 | MSP_INSN (jne, 3, 1, 0x2000, 0xfc00), |
| 107 | MSP_INSN (reti, 2, 0, 0x1300, 0xffc0), |
| 108 | MSP_INSN (call, 2, 1, 0x1280, 0xffc0), |
| 109 | MSP_INSN (push, 2, 1, 0x1200, 0xff80), |
| 110 | MSP_INSN (sxt, 2, 1, 0x1180, 0xffc0), |
| 111 | MSP_INSN (rra, 2, 1, 0x1100, 0xff80), |
| 112 | MSP_INSN (swpb, 2, 1, 0x1080, 0xffc0), |
| 113 | MSP_INSN (rrc, 2, 1, 0x1000, 0xff80), |
| 114 | /* Simple polymorphs. */ |
| 115 | MSP_INSN (beq, 4, 0, 0, 0xffff), |
| 116 | MSP_INSN (bne, 4, 1, 0, 0xffff), |
| 117 | MSP_INSN (blt, 4, 2, 0, 0xffff), |
| 118 | MSP_INSN (bltu, 4, 3, 0, 0xffff), |
| 119 | MSP_INSN (bge, 4, 4, 0, 0xffff), |
| 120 | MSP_INSN (bgeu, 4, 5, 0, 0xffff), |
| 121 | MSP_INSN (bltn, 4, 6, 0, 0xffff), |
| 122 | MSP_INSN (jump, 4, 7, 0, 0xffff), |
| 123 | /* Long polymorphs. */ |
| 124 | MSP_INSN (bgt, 5, 0, 0, 0xffff), |
| 125 | MSP_INSN (bgtu, 5, 1, 0, 0xffff), |
| 126 | MSP_INSN (bleu, 5, 2, 0, 0xffff), |
| 127 | MSP_INSN (ble, 5, 3, 0, 0xffff), |
| 128 | |
| 129 | /* MSP430X instructions - these ones use an extension word. |
| 130 | A negative format indicates an MSP430X instruction. */ |
| 131 | MSP_INSN (addcx, -2, 2, 0x6000, 0xf000), |
| 132 | MSP_INSN (addx, -2, 2, 0x5000, 0xf000), |
| 133 | MSP_INSN (andx, -2, 2, 0xf000, 0xf000), |
| 134 | MSP_INSN (bicx, -2, 2, 0xc000, 0xf000), |
| 135 | MSP_INSN (bisx, -2, 2, 0xd000, 0xf000), |
| 136 | MSP_INSN (bitx, -2, 2, 0xb000, 0xf000), |
| 137 | MSP_INSN (cmpx, -2, 2, 0x9000, 0xf000), |
| 138 | MSP_INSN (daddx, -2, 2, 0xa000, 0xf000), |
| 139 | MSP_INSN (movx, -2, 2, 0x4000, 0xf000), |
| 140 | MSP_INSN (subcx, -2, 2, 0x7000, 0xf000), |
| 141 | MSP_INSN (subx, -2, 2, 0x8000, 0xf000), |
| 142 | MSP_INSN (xorx, -2, 2, 0xe000, 0xf000), |
| 143 | |
| 144 | /* MSP430X Synthetic instructions. */ |
| 145 | MSP_INSN (adcx, -1, 1, 0x6300, 0xff30), |
| 146 | MSP_INSN (clra, -1, 1, 0x4300, 0xff30), |
| 147 | MSP_INSN (clrx, -1, 1, 0x4300, 0xff30), |
| 148 | MSP_INSN (dadcx, -1, 1, 0xa300, 0xff30), |
| 149 | MSP_INSN (decx, -1, 1, 0x8310, 0xff30), |
| 150 | MSP_INSN (decda, -1, 1, 0x8320, 0xff30), |
| 151 | MSP_INSN (decdx, -1, 1, 0x8320, 0xff30), |
| 152 | MSP_INSN (incx, -1, 1, 0x5310, 0xff30), |
| 153 | MSP_INSN (incda, -1, 1, 0x5320, 0xff30), |
| 154 | MSP_INSN (incdx, -1, 1, 0x5320, 0xff30), |
| 155 | MSP_INSN (invx, -1, 1, 0xe330, 0xfff0), |
| 156 | MSP_INSN (popx, -1, 1, 0x4130, 0xff30), |
| 157 | MSP_INSN (rlax, -1, 2, 0x5000, 0xf000), |
| 158 | MSP_INSN (rlcx, -1, 2, 0x6000, 0xf000), |
| 159 | MSP_INSN (sbcx, -1, 1, 0x7300, 0xff30), |
| 160 | MSP_INSN (tsta, -1, 1, 0x9300, 0xff30), |
| 161 | MSP_INSN (tstx, -1, 1, 0x9300, 0xff30), |
| 162 | |
| 163 | MSP_INSN (pushx, -3, 1, 0x1200, 0xff80), |
| 164 | MSP_INSN (rrax, -3, 1, 0x1100, 0xff80), |
| 165 | MSP_INSN (rrcx, -3, 1, 0x1000, 0xff80), /* Synthesised as RRC but with the Z/C bit clear. */ |
| 166 | MSP_INSN (rrux, -3, 1, 0x1000, 0xff80), /* Synthesised as RRC but with the Z/C bit set. */ |
| 167 | MSP_INSN (swpbx, -3, 1, 0x1080, 0xffc0), |
| 168 | MSP_INSN (sxtx, -3, 1, 0x1180, 0xffc0), |
| 169 | |
| 170 | /* MSP430X Address instructions - no extension word needed. |
| 171 | The insn_opnumb field is used to encode the nature of the |
| 172 | instruction for assembly and disassembly purposes. */ |
| 173 | MSP_INSN (calla, -1, 4, 0x1300, 0xff00), |
| 174 | |
| 175 | MSP_INSN (popm, -1, 5, 0x1600, 0xfe00), |
| 176 | MSP_INSN (pushm, -1, 5, 0x1400, 0xfe00), |
| 177 | |
| 178 | MSP_INSN (rrcm, -1, 6, 0x0040, 0xf3e0), |
| 179 | MSP_INSN (rram, -1, 6, 0x0140, 0xf3e0), |
| 180 | MSP_INSN (rlam, -1, 6, 0x0240, 0xf3e0), |
| 181 | MSP_INSN (rrum, -1, 6, 0x0340, 0xf3e0), |
| 182 | |
| 183 | MSP_INSN (adda, -1, 8, 0x00a0, 0xf0b0), |
| 184 | MSP_INSN (cmpa, -1, 8, 0x0090, 0xf0b0), |
| 185 | MSP_INSN (suba, -1, 8, 0x00b0, 0xf0b0), |
| 186 | |
| 187 | MSP_INSN (reta, -1, 9, 0x0110, 0xffff), |
| 188 | MSP_INSN (bra, -1, 9, 0x0000, 0xf0cf), |
| 189 | MSP_INSN (mova, -1, 9, 0x0000, 0xf080), |
| 190 | MSP_INSN (mova, -1, 9, 0x0080, 0xf0b0), |
| 191 | MSP_INSN (mova, -1, 9, 0x00c0, 0xf0f0), |
| 192 | |
| 193 | /* Pseudo instruction to set the repeat field in the extension word. */ |
| 194 | MSP_INSN (rpt, -1, 10, 0x0000, 0x0000), |
| 195 | |
| 196 | /* End of instruction set. */ |
| 197 | { NULL, 0, 0, 0, 0 } |
| 198 | }; |
| 199 | |
| 200 | #endif |