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/* PDP-11 opcde list.
Copyright (C) 2001-2015 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 */
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