git.sur5r.net Git - cc65/blob - src/sim65/main.c

   1 /*****************************************************************************/
   2 /*                                                                           */
   3 /*                                  main.c                                   */
   4 /*                                                                           */
   5 /*                              sim65 main program                           */
   6 /*                                                                           */
   7 /*                                                                           */
   8 /*                                                                           */
   9 /* (C) 2002      Ullrich von Bassewitz                                       */
  10 /*               Wacholderweg 14                                             */
  11 /*               D-70597 Stuttgart                                           */
  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 <stdio.h>
  37 #include <string.h>
  38 #include <stdlib.h>
  39 #include <errno.h>
  40
  41 /* common */
  42 #include "abend.h"
  43 #include "cmdline.h"
  44 #include "print.h"
  45 #include "version.h"
  46
  47 /* sim65 */
  48 #include "chip.h"
  49 #include "chiplib.h"
  50 #include "chippath.h"
  51 #include "cpucore.h"
  52 #include "cputype.h"
  53 #include "global.h"
  54 #include "memory.h"
  55
  56
  57 /*****************************************************************************/
  58 /*                                   Code                                    */
  59 /*****************************************************************************/
  60
  61
  62
  63 static void Usage (void)
  64 {
  65     fprintf (stderr,
  66              "Usage: %s [options] file\n"
  67              "Short options:\n"
  68              "  -V\t\t\tPrint the simulator version number\n"
  69              "  -d\t\t\tDebug mode\n"
  70              "  -h\t\t\tHelp (this text)\n"
  71              "  -v\t\t\tIncrease verbosity\n"
  72              "\n"
  73              "Long options:\n"
  74              "  --cpu type\t\tSet cpu type\n"
  75              "  --debug\t\tDebug mode\n"
  76              "  --help\t\tHelp (this text)\n"
  77              "  --verbose\t\tIncrease verbosity\n"
  78              "  --version\t\tPrint the simulator version number\n",
  79              ProgName);
  80 }
  81
  82
  83
  84 static void OptCPU (const char* Opt, const char* Arg)
  85 /* Handle the --cpu option */
  86 {
  87     if (strcmp (Arg, "6502") == 0) {
  88         CPU = CPU_6502;
  89     } else if (strcmp (Arg, "65C02") == 0) {
  90         CPU = CPU_65C02;
  91     } else {
  92         AbEnd ("Invalid argument for %s: `%s'", Opt, Arg);
  93     }
  94 }
  95
  96
  97
  98 static void OptDebug (const char* Opt attribute ((unused)),
  99                       const char* Arg attribute ((unused)))
 100 /* Simulator debug mode */
 101 {
 102     Debug = 1;
 103 }
 104
 105
 106
 107 static void OptHelp (const char* Opt attribute ((unused)),
 108                      const char* Arg attribute ((unused)))
 109 /* Print usage information and exit */
 110 {
 111     Usage ();
 112     exit (EXIT_SUCCESS);
 113 }
 114
 115
 116
 117 static void OptVerbose (const char* Opt attribute ((unused)),
 118                         const char* Arg attribute ((unused)))
 119 /* Increase verbosity */
 120 {
 121     ++Verbosity;
 122 }
 123
 124
 125
 126 static void OptVersion (const char* Opt attribute ((unused)),
 127                         const char* Arg attribute ((unused)))
 128 /* Print the assembler version */
 129 {
 130     fprintf (stderr,
 131              "cc65 V%u.%u.%u\n",
 132              VER_MAJOR, VER_MINOR, VER_PATCH);
 133 }
 134
 135
 136
 137 int main (int argc, char* argv[])
 138 {
 139     /* Program long options */
 140     static const LongOpt OptTab[] = {
 141         { "--cpu",              1,      OptCPU                  },
 142         { "--debug",            0,      OptDebug                },
 143         { "--help",             0,      OptHelp                 },
 144         { "--verbose",          0,      OptVerbose              },
 145         { "--version",          0,      OptVersion              },
 146     };
 147
 148     unsigned I;
 149
 150     /* Initialize the output file name */
 151     const char* InputFile  = 0;
 152
 153     /* Initialize the cmdline module */
 154     InitCmdLine (&argc, &argv, "sim65");
 155
 156     /* Parse the command line */
 157     I = 1;
 158     while (I < ArgCount) {
 159
 160         /* Get the argument */
 161         const char* Arg = ArgVec[I];
 162
 163         /* Check for an option */
 164         if (Arg [0] == '-') {
 165
 166             switch (Arg [1]) {
 167
 168                 case '-':
 169                     LongOption (&I, OptTab, sizeof(OptTab)/sizeof(OptTab[0]));
 170                     break;
 171
 172                 case 'd':
 173                     OptDebug (Arg, 0);
 174                     break;
 175
 176                 case 'h':
 177                 case '?':
 178                     OptHelp (Arg, 0);
 179                     break;
 180
 181                 case 'v':
 182                     OptVerbose (Arg, 0);
 183                     break;
 184
 185                 case 'V':
 186                     OptVersion (Arg, 0);
 187                     break;
 188
 189                 default:
 190                     UnknownOption (Arg);
 191                     break;
 192             }
 193         } else {
 194             if (InputFile) {
 195                 fprintf (stderr, "additional file specs ignored\n");
 196             } else {
 197                 InputFile = Arg;
 198             }
 199         }
 200
 201         /* Next argument */
 202         ++I;
 203     }
 204
 205     /* Initialize modules */
 206     AddChipPath ("chips");
 207     LoadChipLibrary ("ram.so");
 208     LoadChips ();
 209     MemInit ();
 210     MemLoad ("uz.bin", 0x200, 0);
 211     CPUInit ();
 212     CPURun ();
 213
 214     /* Return an apropriate exit code */
 215     return EXIT_SUCCESS;
 216 }
 217
 218
 219