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