git.sur5r.net Git - cc65/blob - src/common/cpu.h

   1 /*****************************************************************************/
   2 /*                                                                           */
   3 /*                                   cpu.h                                   */
   4 /*                                                                           */
   5 /*                            CPU specifications                             */
   6 /*                                                                           */
   7 /*                                                                           */
   8 /*                                                                           */
   9 /* (C) 2003-2004 Ullrich von Bassewitz                                       */
  10 /*               Römerstrasse 52                                             */
  11 /*               D-70794 Filderstadt                                         */
  12 /* EMail:        uz@cc65.org                                                 */
  13 /*                                                                           */
  14 /*                                                                           */
  15 /* This software is provided 'as-is', without any expressed or implied       */
  16 /* warranty.  In no event will the authors be held liable for any damages    */
  17 /* arising from the use of this software.                                    */
  18 /*                                                                           */
  19 /* Permission is granted to anyone to use this software for any purpose,     */
  20 /* including commercial applications, and to alter it and redistribute it    */
  21 /* freely, subject to the following restrictions:                            */
  22 /*                                                                           */
  23 /* 1. The origin of this software must not be misrepresented; you must not   */
  24 /*    claim that you wrote the original software. If you use this software   */
  25 /*    in a product, an acknowledgment in the product documentation would be  */
  26 /*    appreciated but is not required.                                       */
  27 /* 2. Altered source versions must be plainly marked as such, and must not   */
  28 /*    be misrepresented as being the original software.                      */
  29 /* 3. This notice may not be removed or altered from any source              */
  30 /*    distribution.                                                          */
  31 /*                                                                           */
  32 /*****************************************************************************/
  33
  34
  35
  36 #ifndef CPU_H
  37 #define CPU_H
  38
  39
  40
  41 /*****************************************************************************/
  42 /*                                   Data                                    */
  43 /*****************************************************************************/
  44
  45
  46
  47 /* CPUs */
  48 typedef enum {
  49     CPU_UNKNOWN = -1,           /* Not specified or invalid target */
  50     CPU_6502,
  51     CPU_6502X,                  /* "Extended", that is: with illegal opcodes */
  52     CPU_65SC02,
  53     CPU_65C02,
  54     CPU_65816,
  55     CPU_SUNPLUS,                /* Not in the freeware version - sorry */
  56     CPU_SWEET16,
  57     CPU_COUNT                   /* Number of different CPUs */
  58 } cpu_t;
  59
  60 /* CPU instruction sets */
  61 enum {
  62     CPU_ISET_6502       = 1 << CPU_6502,
  63     CPU_ISET_6502X      = 1 << CPU_6502X,
  64     CPU_ISET_65SC02     = 1 << CPU_65SC02,
  65     CPU_ISET_65C02      = 1 << CPU_65C02,
  66     CPU_ISET_65816      = 1 << CPU_65816,
  67     CPU_ISET_SUNPLUS    = 1 << CPU_SUNPLUS,
  68     CPU_ISET_SWEET16    = 1 << CPU_SWEET16,
  69 };
  70
  71 /* CPU used */
  72 extern cpu_t CPU;
  73
  74 /* Table with CPU names */
  75 extern const char* CPUNames[CPU_COUNT];
  76
  77 /* Table with CPU the instruction sets */
  78 extern const unsigned CPUIsets[CPU_COUNT];
  79
  80
  81
  82 /*****************************************************************************/
  83 /*                                   Code                                    */
  84 /*****************************************************************************/
  85
  86
  87
  88 cpu_t FindCPU (const char* Name);
  89 /* Find a CPU by name and return the target id. CPU_UNKNOWN is returned if
  90  * the given name is no valid target.
  91  */
  92
  93
  94
  95 /* End of cpu.h */
  96
  97 #endif
  98
  99
 100