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

   1 /*****************************************************************************/
   2 /*                                                                           */
   3 /*                                   cpu.c                                   */
   4 /*                                                                           */
   5 /*                            CPU specifications                             */
   6 /*                                                                           */
   7 /*                                                                           */
   8 /*                                                                           */
   9 /* (C) 2003-2005, 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 /* common */
  37 #include "cpu.h"
  38 #include "strutil.h"
  39
  40
  41
  42 /*****************************************************************************/
  43 /*                                   Data                                    */
  44 /*****************************************************************************/
  45
  46
  47
  48 /* CPU used */
  49 cpu_t CPU = CPU_UNKNOWN;
  50
  51 /* Table with target names */
  52 const char* CPUNames[CPU_COUNT] = {
  53     "none",
  54     "6502",
  55     "6502X",
  56     "65SC02",
  57     "65C02",
  58     "65816",
  59     "sunplus",
  60     "sweet16",
  61 };
  62
  63 /* Tables with CPU instruction sets */
  64 const unsigned CPUIsets[CPU_COUNT] = {
  65     CPU_ISET_NONE,
  66     CPU_ISET_6502,
  67     CPU_ISET_6502 | CPU_ISET_6502X,
  68     CPU_ISET_6502 | CPU_ISET_65SC02,
  69     CPU_ISET_6502 | CPU_ISET_65SC02 | CPU_ISET_65C02,
  70     CPU_ISET_6502 | CPU_ISET_65SC02 | CPU_ISET_65C02 | CPU_ISET_65816,
  71     CPU_ISET_SUNPLUS,
  72     CPU_ISET_SWEET16,
  73 };
  74
  75
  76
  77 /*****************************************************************************/
  78 /*                                   Code                                    */
  79 /*****************************************************************************/
  80
  81
  82
  83 cpu_t FindCPU (const char* Name)
  84 /* Find a CPU by name and return the target id. CPU_UNKNOWN is returned if
  85  * the given name is no valid target.
  86  */
  87 {
  88     unsigned I;
  89
  90     /* Check all CPU names */
  91     for (I = 0; I < CPU_COUNT; ++I) {
  92         if (StrCaseCmp (CPUNames [I], Name) == 0) {
  93             return (cpu_t)I;
  94         }
  95     }
  96
  97     /* Not found */
  98     return CPU_UNKNOWN;
  99 }
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