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

   1 /*****************************************************************************/
   2 /*                                                                           */
   3 /*                                 system.c                                  */
   4 /*                                                                           */
   5 /*                    Description of the simulated system                    */
   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 /* common.h */
  37 #include "xmalloc.h"
  38
  39 /* sim65 */
  40 #include "addrspace.h"
  41 #include "system.h"
  42
  43
  44
  45 /*****************************************************************************/
  46 /*                                   Code                                    */
  47 /*****************************************************************************/
  48
  49
  50
  51 System* NewSystem (struct CPUData* CPU)
  52 /* Create and initialize a new System struct. The function will read the size
  53  * of the address space from the CPU, and also create a new AddressSpace
  54  * object. No chips are assigned, however.
  55  */
  56 {
  57     /* Allocate memory */
  58     System* Sys = xmalloc (sizeof (System));
  59
  60     /* Initialize the fields */
  61     Sys->CPU      = CPU;
  62     Sys->AS       = 0;    /* ### */
  63     Sys->ChipInstances = AUTO_COLLECTION_INITIALIZER;
  64
  65     /* Return the new system */
  66     return Sys;
  67 }
  68
  69
  70
  71