/*****************************************************************************/
/*                                                                           */
/*                                   cpu.h                                   */
/*                                                                           */
/*                            CPU specifications                             */
/*                                                                           */
/*                                                                           */
/*                                                                           */
/* (C) 2003-2011, Ullrich von Bassewitz                                      */
/*                Roemerstrasse 52                                           */
/*                D-70794 Filderstadt                                        */
/* EMail:         uz@cc65.org                                                */
/*                                                                           */
/*                                                                           */
/* This software is provided 'as-is', without any expressed or implied       */
/* warranty.  In no event will the authors be held liable for any damages    */
/* arising from the use of this software.                                    */
/*                                                                           */
/* Permission is granted to anyone to use this software for any purpose,     */
/* including commercial applications, and to alter it and redistribute it    */
/* freely, subject to the following restrictions:                            */
/*                                                                           */
/* 1. The origin of this software must not be misrepresented; you must not   */
/*    claim that you wrote the original software. If you use this software   */
/*    in a product, an acknowledgment in the product documentation would be  */
/*    appreciated but is not required.                                       */
/* 2. Altered source versions must be plainly marked as such, and must not   */
/*    be misrepresented as being the original software.                      */
/* 3. This notice may not be removed or altered from any source              */
/*    distribution.                                                          */
/*                                                                           */
/*****************************************************************************/



#ifndef CPU_H
#define CPU_H



/*****************************************************************************/
/*                                   Data                                    */
/*****************************************************************************/



/* CPUs */
typedef enum {
    CPU_UNKNOWN = -1,           /* Not specified or invalid target */
    CPU_NONE,                   /* No CPU - for assembler */
    CPU_6502,
    CPU_6502X,                  /* "Extended", that is: with illegal opcodes */
    CPU_6502DTV,                /* CPU_6502 + DTV extra and illegal opcodes */
    CPU_65SC02,
    CPU_65C02,
    CPU_65816,
    CPU_SWEET16,
    CPU_HUC6280,                /* Used in PC engine */
    CPU_M740,                   /* Mitsubishi 740 series MCUs */
    CPU_4510,                   /* CPU of C65 */
    CPU_COUNT                   /* Number of different CPUs */
} cpu_t;

/* CPU instruction sets */
enum {
    CPU_ISET_NONE       = 1 << CPU_NONE,
    CPU_ISET_6502       = 1 << CPU_6502,
    CPU_ISET_6502X      = 1 << CPU_6502X,
    CPU_ISET_6502DTV    = 1 << CPU_6502DTV,
    CPU_ISET_65SC02     = 1 << CPU_65SC02,
    CPU_ISET_65C02      = 1 << CPU_65C02,
    CPU_ISET_65816      = 1 << CPU_65816,
    CPU_ISET_SWEET16    = 1 << CPU_SWEET16,
    CPU_ISET_HUC6280    = 1 << CPU_HUC6280,
    CPU_ISET_M740       = 1 << CPU_M740,
    CPU_ISET_4510       = 1 << CPU_4510,
};

/* CPU used */
extern cpu_t CPU;

/* Table with CPU names */
extern const char* CPUNames[CPU_COUNT];

/* Table with CPU the instruction sets */
extern const unsigned CPUIsets[CPU_COUNT];



/*****************************************************************************/
/*                                   Code                                    */
/*****************************************************************************/



int ValidAddrSizeForCPU (unsigned char AddrSize);
/* Check if the given address size is valid for the current CPU */

cpu_t FindCPU (const char* Name);
/* Find a CPU by name and return the target id. CPU_UNKNOWN is returned if
** the given name is no valid target.
*/



/* End of cpu.h */

#endif