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/* tic80.h -- Header file for TI TMS320C80 (MV) opcode table
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Copyright 1996 Free Software Foundation, Inc. |
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Written by Fred Fish (fnf@cygnus.com), Cygnus Support |
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using other opcode/*.h files as templates.
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This file is part of GDB, GAS, and the GNU binutils. |
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GDB, GAS, and the GNU binutils are free software; you can redistribute |
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them and/or modify them under the terms of the GNU General Public |
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License as published by the Free Software Foundation; either version |
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1, or (at your option) any later version. |
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GDB, GAS, and the GNU binutils are distributed in the hope that they |
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will be useful, but WITHOUT ANY WARRANTY; without even the implied |
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warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See |
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the 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 file; see the file COPYING. If not, write to the Free |
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Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ |
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#ifndef TIC80_H |
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#define TIC80_H |
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/* The opcode table is an array of struct TIc80_opcode. */ |
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struct TIc80_opcode |
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{ |
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/* The opcode name. */ |
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const char *name; |
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/* The opcode itself. Those bits which will be filled in with
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operands are zeroes. */ |
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unsigned long opcode; |
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/* The opcode mask. This is used by the disassembler. This is a
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mask containing ones indicating those bits which must match the |
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opcode field, and zeroes indicating those bits which need not |
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match (and are presumably filled in by operands). */ |
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unsigned long mask; |
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/* The format of this opcode. */ |
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unsigned char format; |
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/* An array of operand codes. Each code is an index into the
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operand table. They appear in the order which the operands must |
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appear in assembly code, and are terminated by a zero. */ |
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unsigned char operands[8]; |
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}; |
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/* The table itself is sorted by major opcode number, and is otherwise
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in the order in which the disassembler should consider |
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instructions. */ |
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extern const struct tic80_opcode tic80_opcodes[]; |
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extern const int tic80_num_opcodes; |
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/* The operands table is an array of struct tic80_operand. */ |
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struct tic80_operand |
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{ |
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/* The number of bits in the operand. */ |
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int bits; |
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/* How far the operand is left shifted in the instruction. */ |
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int shift; |
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/* One bit syntax flags. */ |
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int flags; |
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}; |
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/* Elements in the table are retrieved by indexing with values from
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the operands field of the tic80_opcodes table. */ |
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extern const struct tic80_operand tic80_operands[]; |
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/* Values defined for the flags field of a struct tic80_operand. */ |
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#define TIC80_OPERAND_DREG 0x1 |
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#define TIC80_OPERAND_AREG 0x2 |
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#define TIC80_OPERAND_PSW 0x4 |
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#define TIC80_OPERAND_MDR 0x8 |
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#define TIC80_OPERAND_SIGNED 0x10 |
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#define TIC80_OPERAND_PROMOTE 0x20 |
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#define TIC80_OPERAND_PAREN 0x40 |
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#define TIC80_OPERAND_REPEATED 0x80 |
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#define TIC80_OPERAND_EXTENDED 0x100 |
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#define TIC80_OPERAND_PCREL 0x400 |
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#define TIC80_OPERAND_MEMADDR 0x800 |
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#define FMT_1 1 |
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#define FMT_2 2 |
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#define FMT_3 3 |
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#define FMT_4 4 |
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#define FMT_5 5 |
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#define FMT_6 6 |
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#define FMT_7 7 |
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#endif /* TIC80_H */ |
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