src/cpu/modrm.h

/*
 *  Copyright (C) 2002-2020  The DOSBox Team
 *
 *  This program 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 of the License, or
 *  (at your option) any later version.
 *
 *  This program 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 this program; if not, write to the Free Software Foundation, Inc.,
 *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 */

extern Bit8u  * lookupRMregb[];
extern Bit16u * lookupRMregw[];
extern Bit32u * lookupRMregd[];
extern Bit8u  * lookupRMEAregb[256];
extern Bit16u * lookupRMEAregw[256];
extern Bit32u * lookupRMEAregd[256];

#define GetRM                                                                                           \
        Bit8u rm=Fetchb();

#define Getrb                                                                                           \
        Bit8u * rmrb;                                                                                   \
        rmrb=lookupRMregb[rm];                  
        
#define Getrw                                                                                           \
        Bit16u * rmrw;                                                                                  \
        rmrw=lookupRMregw[rm];                  

#define Getrd                                                                                           \
        Bit32u * rmrd;                                                                                  \
        rmrd=lookupRMregd[rm];                  


#define GetRMrb                                                                                         \
        GetRM;                                                                                                  \
        Getrb;                                                                                                  

#define GetRMrw                                                                                         \
        GetRM;                                                                                                  \
        Getrw;                                                                                                  

#define GetRMrd                                                                                         \
        GetRM;                                                                                                  \
        Getrd;                                                                                                  


#define GetEArb                                                                                         \
        Bit8u * earb=lookupRMEAregb[rm];

#define GetEArw                                                                                         \
        Bit16u * earw=lookupRMEAregw[rm];

#define GetEArd                                                                                         \
        Bit32u * eard=lookupRMEAregd[rm];