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

   1 /*****************************************************************************/
   2 /*                                                                           */
   3 /*                                 target.c                                  */
   4 /*                                                                           */
   5 /*                           Target specification                            */
   6 /*                                                                           */
   7 /*                                                                           */
   8 /*                                                                           */
   9 /* (C) 2000-2011, Ullrich von Bassewitz                                      */
  10 /*                Roemerstrasse 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 <stdlib.h>
  37 #include <string.h>
  38
  39 /* common */
  40 #include "chartype.h"
  41 #include "check.h"
  42 #include "target.h"
  43
  44
  45
  46 /*****************************************************************************/
  47 /*                                   Data                                    */
  48 /*****************************************************************************/
  49
  50
  51
  52 /* Translation table with direct (no) translation */
  53 static unsigned char CTNone[256] = {
  54     0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0A,0x0B,0x0C,0x0D,0x0E,0x0F,
  55     0x10,0x11,0x12,0x13,0x14,0x15,0x16,0x17,0x18,0x19,0x1A,0x1B,0x1C,0x1D,0x1E,0x1F,
  56     0x20,0x21,0x22,0x23,0x24,0x25,0x26,0x27,0x28,0x29,0x2A,0x2B,0x2C,0x2D,0x2E,0x2F,
  57     0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,0x39,0x3A,0x3B,0x3C,0x3D,0x3E,0x3F,
  58     0x40,0x41,0x42,0x43,0x44,0x45,0x46,0x47,0x48,0x49,0x4A,0x4B,0x4C,0x4D,0x4E,0x4F,
  59     0x50,0x51,0x52,0x53,0x54,0x55,0x56,0x57,0x58,0x59,0x5A,0x5B,0x5C,0x5D,0x5E,0x5F,
  60     0x60,0x61,0x62,0x63,0x64,0x65,0x66,0x67,0x68,0x69,0x6A,0x6B,0x6C,0x6D,0x6E,0x6F,
  61     0x70,0x71,0x72,0x73,0x74,0x75,0x76,0x77,0x78,0x79,0x7A,0x7B,0x7C,0x7D,0x7E,0x7F,
  62     0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,
  63     0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F,
  64     0xA0,0xA1,0xA2,0xA3,0xA4,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF,
  65     0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF,
  66     0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,
  67     0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF,
  68     0xE0,0xE1,0xE2,0xE3,0xE4,0xE5,0xE6,0xE7,0xE8,0xE9,0xEA,0xEB,0xEC,0xED,0xEE,0xEF,
  69     0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF,
  70 };
  71
  72 /* Translation table ISO-8859-1 -> ATASCII */
  73 static const unsigned char CTAtari [256] = {
  74     0x00,0x01,0x02,0x03,0x04,0x05,0x06,0xFD,0x08,0x7F,0x9B,0x0B,0x7D,0x0D,0x0E,0x0F,
  75     0x10,0x11,0x12,0x13,0x14,0x15,0x16,0x17,0x18,0x19,0x1A,0x1B,0x1C,0x1D,0x1E,0x1F,
  76     0x20,0x21,0x22,0x23,0x24,0x25,0x26,0x27,0x28,0x29,0x2A,0x2B,0x2C,0x2D,0x2E,0x2F,
  77     0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,0x39,0x3A,0x3B,0x3C,0x3D,0x3E,0x3F,
  78     0x40,0x41,0x42,0x43,0x44,0x45,0x46,0x47,0x48,0x49,0x4A,0x4B,0x4C,0x4D,0x4E,0x4F,
  79     0x50,0x51,0x52,0x53,0x54,0x55,0x56,0x57,0x58,0x59,0x5A,0x5B,0x5C,0x5D,0x5E,0x5F,
  80     0x60,0x61,0x62,0x63,0x64,0x65,0x66,0x67,0x68,0x69,0x6A,0x6B,0x6C,0x6D,0x6E,0x6F,
  81     0x70,0x71,0x72,0x73,0x74,0x75,0x76,0x77,0x78,0x79,0x7A,0x7B,0x7C,0x7D,0x7E,0x7F,
  82     0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,
  83     0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F,
  84     0xA0,0xA1,0xA2,0xA3,0xA4,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF,
  85     0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF,
  86     0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,
  87     0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF,
  88     0xE0,0xE1,0xE2,0xE3,0xE4,0xE5,0xE6,0xE7,0xE8,0xE9,0xEA,0xEB,0xEC,0xED,0xEE,0xEF,
  89     0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF,
  90 };
  91
  92 /* Translation table ISO-8859-1 -> PETSCII */
  93 static const unsigned char CTPET [256] = {
  94     0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x14,0x09,0x0D,0x11,0x93,0x0A,0x0E,0x0F,
  95     0x10,0x0B,0x12,0x13,0x08,0x15,0x16,0x17,0x18,0x19,0x1A,0x1B,0x1C,0x1D,0x1E,0x1F,
  96     0x20,0x21,0x22,0x23,0x24,0x25,0x26,0x27,0x28,0x29,0x2A,0x2B,0x2C,0x2D,0x2E,0x2F,
  97     0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,0x39,0x3A,0x3B,0x3C,0x3D,0x3E,0x3F,
  98     0x40,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,
  99     0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0x5B,0xBF,0x5D,0x5E,0xA4,
 100     0xAD,0x41,0x42,0x43,0x44,0x45,0x46,0x47,0x48,0x49,0x4A,0x4B,0x4C,0x4D,0x4E,0x4F,
 101     0x50,0x51,0x52,0x53,0x54,0x55,0x56,0x57,0x58,0x59,0x5A,0xB3,0xDD,0xAB,0xB1,0xDF,
 102     0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,
 103     0x90,0x91,0x92,0x0C,0x94,0x95,0x96,0x97,0x98,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F,
 104     0xA0,0xA1,0xA2,0xA3,0xA4,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF,
 105     0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF,
 106     0x60,0x61,0x62,0x63,0x64,0x65,0x66,0x67,0x68,0x69,0x6A,0x6B,0x6C,0x6D,0x6E,0x6F,
 107     0x70,0x71,0x72,0x73,0x74,0x75,0x76,0x77,0x78,0x79,0x7A,0x7B,0x7C,0x7D,0x7E,0x7F,
 108     0xE0,0xE1,0xE2,0xE3,0xE4,0xE5,0xE6,0xE7,0xE8,0xE9,0xEA,0xEB,0xEC,0xED,0xEE,0xEF,
 109     0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF,
 110 };
 111
 112
 113
 114 /* One entry in the target map */
 115 typedef struct TargetEntry TargetEntry;
 116 struct TargetEntry {
 117     char        Name[12];               /* Target name */
 118     target_t    Id;                     /* Target id */
 119 };
 120
 121 /* Table that maps target names to ids. Sorted alphabetically for bsearch.
 122  * Allows mupltiple entries for one target id (target name aliases).
 123  */
 124 static const TargetEntry TargetMap[] = {
 125     {   "apple2",       TGT_APPLE2      },
 126     {   "apple2enh",    TGT_APPLE2ENH   },
 127     {   "atari",        TGT_ATARI       },
 128     {   "atmos",        TGT_ATMOS       },
 129     {   "bbc",          TGT_BBC         },
 130     {   "c128",         TGT_C128        },
 131     {   "c16",          TGT_C16         },
 132     {   "c64",          TGT_C64         },
 133     {   "cbm510",       TGT_CBM510      },
 134     {   "cbm610",       TGT_CBM610      },
 135     {   "geos",         TGT_GEOS_CBM    },
 136     {   "geos-apple",   TGT_GEOS_APPLE  },
 137     {   "geos-cbm",     TGT_GEOS_CBM    },
 138     {   "lunix",        TGT_LUNIX       },
 139     {   "lynx",         TGT_LYNX        },
 140     {   "module",       TGT_MODULE      },
 141     {   "nes",          TGT_NES         },
 142     {   "none",         TGT_NONE        },
 143     {   "pet",          TGT_PET         },
 144     {   "plus4",        TGT_PLUS4       },
 145     {   "supervision",  TGT_SUPERVISION },
 146     {   "vc20",         TGT_VIC20       },
 147     {   "vic20",        TGT_VIC20       },
 148 };
 149 #define MAP_ENTRY_COUNT         (sizeof (TargetMap) / sizeof (TargetMap[0]))
 150
 151
 152 /* Table with target properties by target id */
 153 static const TargetProperties PropertyTable[TGT_COUNT] = {
 154     { "none",           CPU_6502,       CTNone  },
 155     { "module",         CPU_6502,       CTNone  },
 156     { "atari",          CPU_6502,       CTAtari },
 157     { "vic20",          CPU_6502,       CTPET   },
 158     { "c16",            CPU_6502,       CTPET   },
 159     { "c64",            CPU_6502,       CTPET   },
 160     { "c128",           CPU_6502,       CTPET   },
 161     { "plus4",          CPU_6502,       CTPET   },
 162     { "cbm510",         CPU_6502,       CTPET   },
 163     { "cbm610",         CPU_6502,       CTPET   },
 164     { "pet",            CPU_6502,       CTPET   },
 165     { "bbc",            CPU_6502,       CTNone  },
 166     { "apple2",         CPU_6502,       CTNone  },
 167     { "apple2enh",      CPU_65C02,      CTNone  },
 168     { "geos-cbm",       CPU_6502,       CTNone  },
 169     { "geos-apple2",    CPU_6502,       CTNone  },
 170     { "lunix",          CPU_6502,       CTNone  },
 171     { "atmos",          CPU_6502,       CTNone  },
 172     { "nes",            CPU_6502,       CTNone  },
 173     { "supervision",    CPU_65SC02,     CTNone  },
 174     { "lynx",           CPU_65C02,      CTNone  },
 175 };
 176
 177 /* Target system */
 178 target_t Target = TGT_NONE;
 179
 180
 181
 182 /*****************************************************************************/
 183 /*                                   Code                                    */
 184 /*****************************************************************************/
 185
 186
 187
 188 static int Compare (const void* Key, const void* Entry)
 189 /* Compare function for bsearch */
 190 {
 191     return strcmp ((const char*) Key, ((const TargetEntry*)Entry)->Name);
 192 }
 193
 194
 195
 196 target_t FindTarget (const char* Name)
 197 /* Find a target by name and return the target id. TGT_UNKNOWN is returned if
 198  * the given name is no valid target.
 199  */
 200 {
 201     /* Search for the name in the map */
 202     const TargetEntry* T;
 203     T = bsearch (Name, TargetMap, MAP_ENTRY_COUNT, sizeof (TargetMap[0]), Compare);
 204
 205     /* Return the target id */
 206     return (T == 0)? TGT_UNKNOWN : T->Id;
 207 }
 208
 209
 210
 211 const TargetProperties* GetTargetProperties (target_t Target)
 212 /* Return the properties for a target */
 213 {
 214     /* Must have a valid target id */
 215     PRECONDITION (Target >= 0 && Target < TGT_COUNT);
 216
 217     /* Return the array entry */
 218     return &PropertyTable[Target];
 219 }
 220
 221
 222
 223 const char* GetTargetName (target_t Target)
 224 /* Return the name of a target */
 225 {
 226     /* Return the array entry */
 227     return GetTargetProperties (Target)->Name;
 228 }
 229