FFIXSEL.ASM 3.6 KB

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  1. ;
  2. ; Command & Conquer Red Alert(tm)
  3. ; Copyright 2025 Electronic Arts Inc.
  4. ;
  5. ; This program is free software: you can redistribute it and/or modify
  6. ; it under the terms of the GNU General Public License as published by
  7. ; the Free Software Foundation, either version 3 of the License, or
  8. ; (at your option) any later version.
  9. ;
  10. ; This program is distributed in the hope that it will be useful,
  11. ; but WITHOUT ANY WARRANTY; without even the implied warranty of
  12. ; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13. ; GNU General Public License for more details.
  14. ;
  15. ; You should have received a copy of the GNU General Public License
  16. ; along with this program. If not, see <http://www.gnu.org/licenses/>.
  17. ;
  18. ;***************************************************************************
  19. ;** C O N F I D E N T I A L --- W E S T W O O D S T U D I O S **
  20. ;***************************************************************************
  21. ;* *
  22. ;* Project Name : Fix a selector *
  23. ;* *
  24. ;* File Name : FFIXSEL.ASM *
  25. ;* *
  26. ;* Programmer : Jeff Wilson *
  27. ;* *
  28. ;* Start Date : March 28, 1994 *
  29. ;* *
  30. ;* Last Update : March 28, 1994 [] *
  31. ;* *
  32. ;*-------------------------------------------------------------------------*
  33. ;* Functions: *
  34. ;* FixSelector -- Fix the Priviledge level of a selector *
  35. ;* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - *
  36. IDEAL
  37. P386
  38. MODEL USE32 FLAT
  39. EXTRN exit : near
  40. GLOBAL FixSelector :NEAR
  41. ;============================================================================
  42. CODESEG
  43. ;***************************************************************************
  44. ;* FIXSELECTOR -- Fix the Priviledge level of a selector *
  45. ;* *
  46. ;* *
  47. ;* *
  48. ;* INPUT: sel the selector to fix-up *
  49. ;* *
  50. ;* OUTPUT: UWORD The fixed up selector *
  51. ;* *
  52. ;* WARNINGS: *
  53. ;* *
  54. ;* HISTORY: *
  55. ;* 03/28/1994 jaw Created. *
  56. ;*=========================================================================*
  57. PROC FixSelector C near
  58. USES ecx,edx
  59. ARG sel:WORD
  60. ; Copy the Table Bit and IOPL from the Current CS
  61. ; Something is wrong the program should not be here unthe any circunstance
  62. ; movzx ecx,[sel]
  63. ; xor eax,eax
  64. ; mov ax,cs
  65. ; and ax,7
  66. ; or ax,cx
  67. push 0
  68. call exit
  69. ret
  70. ;====================
  71. ENDP FixSelector
  72. END
  73.