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[/] [zipcpu/] [trunk/] [sw/] [zasm/] [zopcodes.h] - Diff between revs 69 and 70

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////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
//
//
// Filename:    zopcodes.h
// Filename:    zopcodes.h
//
//
// Project:     Zip CPU -- a small, lightweight, RISC CPU core
// Project:     Zip CPU -- a small, lightweight, RISC CPU core
//
//
// Purpose:     A structure defined to keep track of our various opcodes and
// Purpose:     A structure defined to keep track of our various opcodes and
//              some of their shortcut synonyms.
//              some of their shortcut synonyms.
//
//
// Creator:     Dan Gisselquist, Ph.D.
// Creator:     Dan Gisselquist, Ph.D.
//              Gisselquist Technology, LLC
//              Gisselquist Technology, LLC
//
//
////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
//
//
// Copyright (C) 2015, Gisselquist Technology, LLC
// Copyright (C) 2015, Gisselquist Technology, LLC
//
//
// This program is free software (firmware): you can redistribute it and/or
// This program is free software (firmware): you can redistribute it and/or
// modify it under the terms of  the GNU General Public License as published
// modify it under the terms of  the GNU General Public License as published
// by the Free Software Foundation, either version 3 of the License, or (at
// by the Free Software Foundation, either version 3 of the License, or (at
// your option) any later version.
// your option) any later version.
//
//
// This program is distributed in the hope that it will be useful, but WITHOUT
// This program is distributed in the hope that it will be useful, but WITHOUT
// ANY WARRANTY; without even the implied warranty of MERCHANTIBILITY or
// ANY WARRANTY; without even the implied warranty of MERCHANTIBILITY or
// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
// for more details.
// for more details.
//
//
// You should have received a copy of the GNU General Public License along
// You should have received a copy of the GNU General Public License along
// with this program.  (It's in the $(ROOT)/doc directory, run make with no
// with this program.  (It's in the $(ROOT)/doc directory, run make with no
// target there if the PDF file isn't present.)  If not, see
// target there if the PDF file isn't present.)  If not, see
// <http://www.gnu.org/licenses/> for a copy.
// <http://www.gnu.org/licenses/> for a copy.
//
//
// License:     GPL, v3, as defined and found on www.gnu.org,
// License:     GPL, v3, as defined and found on www.gnu.org,
//              http://www.gnu.org/licenses/gpl.html
//              http://www.gnu.org/licenses/gpl.html
//
//
//
//
////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
#ifndef ZOPCODES_H
#ifndef ZOPCODES_H
#define ZOPCODES_H
#define ZOPCODES_H
 
 
#define OPUNUSED        -1
#define OPUNUSED        -1
#define ISUSEROP(A)     ((a&(~0x0f))==0x000)
#define ISUSEROP(A)     ((a&(~0x0f))==0x000)
#define ISSUPROP(A)     ((a&(~0x0f))==0x010)
#define ISSUPROP(A)     ((a&(~0x0f))==0x010)
#define ISLCLROP(A)     ((a&(~0x0f))==0x020)
#define ISLCLROP(A)     ((a&(~0x0f))==0x020)
#define BITFIELD(LN,MN) (((LN&0x0ff)<<8)+(MN&0x0ff))
#define BITFIELD(LN,MN) (((LN&0x0ff)<<8)+(MN&0x0ff))
#define REGFIELD(MN)    (0x00000400 +(MN&0x0ff))
#define REGFIELD(MN)    (0x00000400 +(MN&0x0ff))
#define URGFIELD(MN)    (0x0100400 +(MN&0x0ff))
#define URGFIELD(MN)    (0x0100400 +(MN&0x0ff))
#define SRGFIELD(MN)    (0x0200400 +(MN&0x0ff))
#define SRGFIELD(MN)    (0x0200400 +(MN&0x0ff))
#define IMMFIELD(LN,MN) (0x40000000 + (((LN&0x0ff)<<8)+(MN&0x0ff))) // Sgn extnd
#define IMMFIELD(LN,MN) (0x40000000 + (((LN&0x0ff)<<8)+(MN&0x0ff))) // Sgn extnd
// #define      REGVAL(V)       ((V & 0x0f)+0x020)
// #define      REGVAL(V)       ((V & 0x0f)+0x020)
 
 
typedef unsigned int    ZIPI;   // A Zip CPU instruction
typedef unsigned int    ZIPI;   // A Zip CPU instruction
 
 
typedef struct {
typedef struct {
        char    s_opstr[8];
        char    s_opstr[8];
        ZIPI    s_mask, s_val;
        ZIPI    s_mask, s_val;
        int     s_result, s_ra, s_rb, s_i, s_cf;
        int     s_result, s_ra, s_rb, s_i, s_cf;
} ZOPCODE;
} ZOPCODE;
 
 
extern  const ZOPCODE   zoplist[];
extern  const ZOPCODE   zoplist[];
extern  const int       nzoplist;
extern  const int       nzoplist;
 
 
// Disassemble an opcode
// Disassemble an opcode
extern  void    zipi_to_string(const ZIPI ins, char *line);
extern  void    zipi_to_string(const ZIPI ins, char *la, char *lb);
extern  const   char    *zop_regstr[];
extern  const   char    *zop_regstr[];
extern  const   char    *zop_ccstr[];
extern  const   char    *zop_ccstr[];
 
extern  unsigned int    zop_early_branch(const unsigned int pc, const ZIPI ins);
 
 
#endif
#endif
 
 

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