source/mupen64plus-rsp-hle/src/alist.c

   1 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
   2  *   Mupen64plus-rsp-hle - alist.c                                         *
   3  *   Mupen64Plus homepage: http://code.google.com/p/mupen64plus/           *
   4  *   Copyright (C) 2012 Bobby Smiles                                       *
   5  *   Copyright (C) 2009 Richard Goedeken                                   *
   6  *   Copyright (C) 2002 Hacktarux                                          *
   7  *                                                                         *
   8  *   This program is free software; you can redistribute it and/or modify  *
   9  *   it under the terms of the GNU General Public License as published by  *
  10  *   the Free Software Foundation; either version 2 of the License, or     *
  11  *   (at your option) any later version.                                   *
  12  *                                                                         *
  13  *   This program is distributed in the hope that it will be useful,       *
  14  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  15  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  16  *   GNU General Public License for more details.                          *
  17  *                                                                         *
  18  *   You should have received a copy of the GNU General Public License     *
  19  *   along with this program; if not, write to the                         *
  20  *   Free Software Foundation, Inc.,                                       *
  21  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.          *
  22  * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
  23
  24 #include <stdint.h>
  25 #include "m64p_plugin.h"
  26 #include "m64p_types.h"
  27
  28 #include "hle.h"
  29 #include "alist_internal.h"
  30 #include "alist.h"
  31
  32 /* local functions */
  33 static void alist_process(const acmd_callback_t abi[], unsigned int abi_size)
  34 {
  35     uint32_t inst1, inst2;
  36     unsigned int acmd;
  37     const OSTask_t *const task = get_task();
  38
  39     const unsigned int *alist = (unsigned int *)(rsp.RDRAM + task->data_ptr);
  40     const unsigned int *const alist_end = alist + (task->data_size >> 2);
  41
  42     while (alist != alist_end) {
  43         inst1 = *(alist++);
  44         inst2 = *(alist++);
  45
  46         acmd = inst1 >> 24;
  47
  48         if (acmd < abi_size)
  49             (*abi[acmd])(inst1, inst2);
  50         else
  51             DebugMessage(M64MSG_WARNING, "Invalid ABI command %u", acmd);
  52     }
  53 }
  54
  55 /* global functions */
  56 void alist_process_ABI1(void)
  57 {
  58     alist_process(ABI1, 0x10);
  59 }
  60
  61 void alist_process_ABI2(void)
  62 {
  63     alist_process(ABI2, 0x20);
  64 }
  65
  66 void alist_process_ABI3(void)
  67 {
  68     alist_process(ABI3, 0x10);
  69 }
  70