/*********************************************************************
 *
 * Copyright (c) 1998-1999
 * 3Com/Palm Computing Division.  All rights reserved.
 *
 * Portions copyright (c) 1995-1998
 * Bernd Schmidt.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without 
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above
 *    copyright notice, this list of conditions and the following
 *    disclaimer in the documentation and/or other materials provided
 *    with the distribution.
 *
 * 3. All advertising materials mentioning features or use of this
 *    software must display the following acknowledgement:
 *
 *		This product includes software developed by 3Com and its
 *		contributors.
 *
 * 4. Neither 3Com nor the names of its contributors may be used to
 *    endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY 3COM AND CONTRIBUTORS ``AS IS''
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL 3COM OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
 * OF SUCH DAMAGE.
 *
 *******************************************************************/

 /* 
  * UAE - The Un*x Amiga Emulator
  * 
  * MC68000 emulation - machine dependent bits
  *
  * Copyright 1996 Bernd Schmidt
  */

#ifdef __cplusplus
extern "C" {
#endif

struct flag_struct {
    unsigned int c;
    unsigned int z;
    unsigned int n;
    unsigned int v; 
    unsigned int x;
};

extern struct flag_struct regflags;

#define ZFLG (regflags.z)
#define NFLG (regflags.n)
#define CFLG (regflags.c)
#define VFLG (regflags.v)
#define XFLG (regflags.x)

static __inline__ int cctrue(const int cc)
{
    switch(cc){
     case 0: return 1;                       /* T */
     case 1: return 0;                       /* F */
     case 2: return !CFLG && !ZFLG;          /* HI */
     case 3: return CFLG || ZFLG;            /* LS */
     case 4: return !CFLG;                   /* CC */
     case 5: return !!CFLG;                    /* CS */
     case 6: return !ZFLG;                   /* NE */
     case 7: return !!ZFLG;                    /* EQ */
     case 8: return !VFLG;                   /* VC */
     case 9: return !!VFLG;                    /* VS */
     case 10:return !NFLG;                   /* PL */
     case 11:return !!NFLG;                    /* MI */
     case 12:return NFLG == VFLG;            /* GE */
     case 13:return NFLG != VFLG;            /* LT */
     case 14:return !ZFLG && (NFLG == VFLG); /* GT */
     case 15:return !!ZFLG || (NFLG != VFLG);  /* LE */
    }
    abort();
    return 0;
}


#ifdef __cplusplus
}
#endif