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  1. // Emacs style mode select   -*- C++ -*-
  2. //-----------------------------------------------------------------------------
  3. //
  4. // $Id:$
  5. //
  6. // Copyright (C) 1993-1996 by id Software, Inc.
  7. //
  8. // This source is available for distribution and/or modification
  9. // only under the terms of the DOOM Source Code License as
  10. // published by id Software. All rights reserved.
  11. //
  12. // The source is distributed in the hope that it will be useful,
  13. // but WITHOUT ANY WARRANTY; without even the implied warranty of
  14. // FITNESS FOR A PARTICULAR PURPOSE. See the DOOM Source Code License
  15. // for more details.
  16. //
  17. // DESCRIPTION:
  18. //      Cheat code checking.
  19. //
  20. //-----------------------------------------------------------------------------
  21.  
  22.  
  23. #ifndef __M_CHEAT__
  24. #define __M_CHEAT__
  25.  
  26. //
  27. // CHEAT SEQUENCE PACKAGE
  28. //
  29.  
  30. #define SCRAMBLE(a) \
  31. ((((a)&1)<<7) + (((a)&2)<<5) + ((a)&4) + (((a)&8)<<1) \
  32.  + (((a)&16)>>1) + ((a)&32) + (((a)&64)>>5) + (((a)&128)>>7))
  33.  
  34. typedef struct
  35. {
  36.     unsigned char*      sequence;
  37.     unsigned char*      p;
  38.    
  39. } cheatseq_t;
  40.  
  41. int
  42. cht_CheckCheat
  43. ( cheatseq_t*           cht,
  44.   char                  key );
  45.  
  46.  
  47. void
  48. cht_GetParam
  49. ( cheatseq_t*           cht,
  50.   char*                 buffer );
  51.  
  52.  
  53. #endif
  54. //-----------------------------------------------------------------------------
  55. //
  56. // $Log:$
  57. //
  58. //-----------------------------------------------------------------------------
  59.