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/* GNU PIC opcode definitions
Copyright (C) 2001, 2002, 2003, 2004, 2005
Craig Franklin
This file is part of gputils.
gputils is 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 2, or (at your option)
any later version.
gputils is 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 gputils; see the file COPYING. If not, write to
the Free Software Foundation, 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA. */
#ifndef __GPOPCODE_H__
#define __GPOPCODE_H__
enum insn_class {
INSN_CLASS_LIT1, /* bit 0 contains a 1 bit literal */
INSN_CLASS_LIT4S, /* Bits 7:4 contain a 4 bit literal, bits 3:0 are unused */
INSN_CLASS_LIT6, /* bits 5:0 contain an 6 bit literal */
INSN_CLASS_LIT8, /* bits 7:0 contain an 8 bit literal */
INSN_CLASS_LIT8C12, /* bits 7:0 contain an 8 bit literal, 12 bit CALL */
INSN_CLASS_LIT8C16, /* bits 7:0 contain an 8 bit literal, 16 bit CALL */
INSN_CLASS_LIT9, /* bits 8:0 contain a 9 bit literal */
INSN_CLASS_LIT11, /* bits 10:0 contain an 11 bit literal */
INSN_CLASS_LIT13, /* bits 12:0 contain an 11 bit literal */
INSN_CLASS_LITFSR, /* bits 5:0 contain an 6 bit literal for fsr 7:6 */
INSN_CLASS_IMPLICIT, /* instruction has no variable bits at all */
INSN_CLASS_OPF5, /* bits 4:0 contain a register address */
INSN_CLASS_OPWF5, /* as above, but bit 5 has a destination flag */
INSN_CLASS_B5, /* as for OPF5, but bits 7:5 have bit number */
INSN_CLASS_OPF7, /* bits 6:0 contain a register address */
INSN_CLASS_OPWF7, /* as above, but bit 7 has destination flag */
INSN_CLASS_B7, /* as for OPF7, but bits 9:7 have bit number */
INSN_CLASS_OPF8, /* bits 7:0 contain a register address */
INSN_CLASS_OPFA8, /* bits 7:0 contain a register address & bit has access flag */
INSN_CLASS_OPWF8, /* as above, but bit 8 has dest flag */
INSN_CLASS_OPWFA8, /* as above, but bit 9 has dest flag & bit 8 has access flag */
INSN_CLASS_B8, /* like OPF7, but bits 9:11 have bit number */
INSN_CLASS_BA8, /* like OPF7, but bits 9:11 have bit number & bit 8 has access flag */
INSN_CLASS_LIT20, /* 20bit lit, bits 7:0 in first word bits 19:8 in second */
INSN_CLASS_CALL20, /* Like LIT20, but bit 8 has fast push flag */
INSN_CLASS_RBRA8, /* Bits 7:0 contain a relative branch address */
INSN_CLASS_RBRA11, /* Bits 10:0 contain a relative branch address */
INSN_CLASS_FLIT12, /* LFSR, 12bit lit loaded into 1 of 4 FSRs */
INSN_CLASS_FF, /* two 12bit file addresses */
INSN_CLASS_FP, /* Bits 7:0 contain a register address, bits 12:8 contains a peripheral address */
INSN_CLASS_PF, /* Bits 7:0 contain a register address, bits 12:8 contains a peripheral address */
INSN_CLASS_SF, /* 7 bit offset added to FSR2, fetched memory placed at 12 bit address */
INSN_CLASS_SS, /* two 7 bit offsets, memory moved using FSR2 */
INSN_CLASS_TBL, /* a table read or write instruction */
INSN_CLASS_TBL2, /* a table read or write instruction.
Bits 7:0 contains a register address; Bit 8 is unused;
Bit 9, table byte select. (0:lower ; 1:upper) */
INSN_CLASS_TBL3, /* a table read or write instruction.
Bits 7:0 contains a register address;
Bit 8, 1 if increment pointer, 0 otherwise;
Bit 9, table byte select. (0:lower ; 1:upper) */
INSN_CLASS_FUNC, /* instruction is an assembler function */
INSN_CLASS_LIT3_BANK, /* SX: bits 3:0 contain a 3 bit literal, shifted 5 bits */
INSN_CLASS_LIT3_PAGE, /* SX: bits 3:0 contain a 3 bit literal, shifted 9 bits */
INSN_CLASS_LIT4 /* SX: bits 3:0 contain a 4 bit literal */
};
struct insn {
const char *name;
long int mask;
long int opcode;
enum insn_class classType;
//int attribs;
};
#define TABLE_SIZE(X) (sizeof(X) / sizeof(X[0]))
extern struct insn op_12c5xx[];
extern const int num_op_12c5xx;
extern struct insn op_sx[];
extern const int num_op_sx;
extern struct insn op_16cxx[];
extern const int num_op_16cxx;
extern struct insn op_17cxx[];
extern const int num_op_17cxx;
extern struct insn op_18cxx[];
extern const int num_op_18cxx;
extern struct insn op_18cxx_sp[];
extern const int num_op_18cxx_sp;
extern struct insn op_18cxx_ext[];
extern const int num_op_18cxx_ext;
#endif
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