/* PDP-11 opcde list.

   Copyright (C) 2001-2018 Free Software Foundation, Inc.

   This file is part of GDB and GAS.

   GDB and GAS are free software; you can redistribute it and/or modify

   it under the terms of the GNU General Public License as published by

   the Free Software Foundation; either version 3, or (at your option)

   any later version.

   GDB and GAS are distributed in the hope that it 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 GDB or GAS; see the file COPYING3.  If not, write to

   the Free Software Foundation, 51 Franklin Street - Fifth Floor,

   Boston, MA 02110-1301, USA.  */

/* PDP-11 opcode types.  */

#define PDP11_OPCODE_NO_OPS	 0

#define PDP11_OPCODE_REG	 1	/* register */

#define PDP11_OPCODE_OP		 2	/* generic operand */

#define PDP11_OPCODE_REG_OP	 3	/* register and generic operand */

#define PDP11_OPCODE_REG_OP_REV	 4	/* register and generic operand,

					   reversed syntax */

#define PDP11_OPCODE_AC_FOP	 5	/* fpu accumulator and generic float

					   operand */

#define PDP11_OPCODE_OP_OP	 6	/* two generic operands */

#define PDP11_OPCODE_DISPL	 7	/* pc-relative displacement */

#define PDP11_OPCODE_REG_DISPL	 8	/* redister and pc-relative

					   displacement */

#define PDP11_OPCODE_IMM8	 9	/* 8-bit immediate */

#define PDP11_OPCODE_IMM6	10	/* 6-bit immediate */

#define PDP11_OPCODE_IMM3	11	/* 3-bit immediate */

#define PDP11_OPCODE_ILLEGAL	12	/* illegal instruction */

#define PDP11_OPCODE_FOP_AC	13	/* generic float argument, then fpu

					   accumulator */

#define PDP11_OPCODE_FOP	14	/* generic float operand */

#define PDP11_OPCODE_AC_OP	15	/* fpu accumulator and generic int

					   operand */

#define PDP11_OPCODE_OP_AC	16	/* generic int argument, then fpu

					   accumulator */

/*

 * PDP-11 instruction set extensions.

 *

 * Please keep the numbers low, as they are used as indices into

 * an array.

 */

#define PDP11_NONE	 0	/* not in instruction set */

#define PDP11_BASIC	 1	/* basic instruction set (11/20 etc) */

#define PDP11_CSM	 2	/* commercial instruction set */

#define PDP11_CIS	 3	/* commercial instruction set */

#define PDP11_EIS	 4	/* extended instruction set (11/45 etc) */

#define PDP11_FIS	 5	/* KEV11 floating-point instructions */

#define PDP11_FPP	 6	/* FP-11 floating-point instructions */

#define PDP11_LEIS	 7	/* limited extended instruction set

				   (11/40 etc) */

#define PDP11_MFPT	 8	/* move from processor type */

#define PDP11_MPROC	 9	/* multiprocessor instructions: tstset,

				   wrtlck */

#define PDP11_MXPS	10	/* move from/to processor status */

#define PDP11_SPL	11	/* set priority level */

#define PDP11_UCODE	12	/* microcode instructions: ldub, med, xfc */

#define PDP11_EXT_NUM	13	/* total number of extension types */

struct pdp11_opcode

{

  const char *name;

  int opcode;

  int mask;

  int type;

  int extension;

};

extern const struct pdp11_opcode pdp11_opcodes[];

extern const struct pdp11_opcode pdp11_aliases[];

extern const int pdp11_num_opcodes, pdp11_num_aliases;

/* end of pdp11.h */