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Annotation of doom/i_system.h, revision 1.1.1.2

1.1       root        1: // Emacs style mode select   -*- C++ -*- 
                      2: //-----------------------------------------------------------------------------
                      3: //
                      4: // $Id:$
                      5: //
                      6: // Copyright (C) 1993-1996 by id Software, Inc.
                      7: //
1.1.1.2 ! root        8: // This program is free software; you can redistribute it and/or
        !             9: // modify it under the terms of the GNU General Public License
        !            10: // as published by the Free Software Foundation; either version 2
        !            11: // of the License, or (at your option) any later version.
1.1       root       12: //
1.1.1.2 ! root       13: // This program is distributed in the hope that it will be useful,
1.1       root       14: // but WITHOUT ANY WARRANTY; without even the implied warranty of
1.1.1.2 ! root       15: // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
        !            16: // GNU General Public License for more details.
1.1       root       17: //
                     18: // DESCRIPTION:
                     19: //     System specific interface stuff.
                     20: //
                     21: //-----------------------------------------------------------------------------
                     22: 
                     23: 
                     24: #ifndef __I_SYSTEM__
                     25: #define __I_SYSTEM__
                     26: 
                     27: #include "d_ticcmd.h"
                     28: #include "d_event.h"
                     29: 
                     30: #ifdef __GNUG__
                     31: #pragma interface
                     32: #endif
                     33: 
                     34: 
                     35: // Called by DoomMain.
                     36: void I_Init (void);
                     37: 
                     38: // Called by startup code
                     39: // to get the ammount of memory to malloc
                     40: // for the zone management.
                     41: byte*  I_ZoneBase (int *size);
                     42: 
                     43: 
                     44: // Called by D_DoomLoop,
                     45: // returns current time in tics.
                     46: int I_GetTime (void);
                     47: 
                     48: 
                     49: //
                     50: // Called by D_DoomLoop,
                     51: // called before processing any tics in a frame
                     52: // (just after displaying a frame).
                     53: // Time consuming syncronous operations
                     54: // are performed here (joystick reading).
                     55: // Can call D_PostEvent.
                     56: //
                     57: void I_StartFrame (void);
                     58: 
                     59: 
                     60: //
                     61: // Called by D_DoomLoop,
                     62: // called before processing each tic in a frame.
                     63: // Quick syncronous operations are performed here.
                     64: // Can call D_PostEvent.
                     65: void I_StartTic (void);
                     66: 
                     67: // Asynchronous interrupt functions should maintain private queues
                     68: // that are read by the synchronous functions
                     69: // to be converted into events.
                     70: 
                     71: // Either returns a null ticcmd,
                     72: // or calls a loadable driver to build it.
                     73: // This ticcmd will then be modified by the gameloop
                     74: // for normal input.
                     75: ticcmd_t* I_BaseTiccmd (void);
                     76: 
                     77: 
                     78: // Called by M_Responder when quit is selected.
                     79: // Clean exit, displays sell blurb.
                     80: void I_Quit (void);
                     81: 
                     82: 
                     83: // Allocates from low memory under dos,
                     84: // just mallocs under unix
                     85: byte* I_AllocLow (int length);
                     86: 
                     87: void I_Tactile (int on, int off, int total);
                     88: 
                     89: 
                     90: void I_Error (char *error, ...);
                     91: 
                     92: 
                     93: #endif
                     94: //-----------------------------------------------------------------------------
                     95: //
                     96: // $Log:$
                     97: //
                     98: //-----------------------------------------------------------------------------

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