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

   1 /*****************************************************************************/
   2 /*                                                                           */
   3 /*                                   cpu.c                                   */
   4 /*                                                                           */
   5 /*                            CPU specifications                             */
   6 /*                                                                           */
   7 /*                                                                           */
   8 /*                                                                           */
   9 /* (C) 2003      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 #include <string.h>
  37
  38 /* common */
  39 #include "cpu.h"
  40
  41
  42
  43 /*****************************************************************************/
  44 /*                                   Data                                    */
  45 /*****************************************************************************/
  46
  47
  48
  49 /* CPU used */
  50 cpu_t CPU = CPU_UNKNOWN;
  51
  52 /* Table with target names */
  53 const char* CPUNames[CPU_COUNT] = {
  54     "6502",
  55     "65SC02",
  56     "65C02",
  57     "65816",
  58     "sunplus",
  59 };
  60
  61 /* Tables with CPU instruction sets */
  62 const unsigned CPUIsets[CPU_COUNT] = {
  63     CPU_ISET_6502,
  64     CPU_ISET_6502 | CPU_ISET_65SC02,
  65     CPU_ISET_6502 | CPU_ISET_65SC02 | CPU_ISET_65C02,
  66     CPU_ISET_6502 | CPU_ISET_65SC02 | CPU_ISET_65C02 | CPU_ISET_65816,
  67     CPU_ISET_SUNPLUS
  68 };
  69
  70
  71
  72 /*****************************************************************************/
  73 /*                                   Code                                    */
  74 /*****************************************************************************/
  75
  76
  77
  78 cpu_t FindCPU (const char* Name)
  79 /* Find a CPU by name and return the target id. CPU_UNKNOWN is returned if
  80  * the given name is no valid target.
  81  */
  82 {
  83     unsigned I;
  84
  85     /* Check all CPU names */
  86     for (I = 0; I < CPU_COUNT; ++I) {
  87         if (strcmp (CPUNames [I], Name) == 0) {
  88             return (cpu_t)I;
  89         }
  90     }
  91
  92     /* Not found */
  93     return CPU_UNKNOWN;
  94 }
  95
  96
  97