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Assembly Source File  |  1994-10-27  |  960b  |  37 lines
  1.     page    66,132
  2. ;******************************* COMPAR4.ASM ********************************
  3.  
  4. LIBSEG           segment byte public "LIB"
  5.         assume cs:LIBSEG , ds:nothing
  6.  
  7. ;----------------------------------------------------------------------------
  8. .xlist
  9.     include  mac.inc
  10.     include  common.inc
  11. .list
  12. comment 
  13. ;- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -( COMPARE )
  14. ;COMPARE4 - compare strings -cx- long, use case, registers unchanged
  15. ;
  16. ; inputs:   DS:[SI] = address of string1
  17. ;           ES:[DI] = address of string2
  18. ;               cx  = length of compare in bytes
  19. ; 
  20. ; output:   if match     - flags are in "je" state
  21. ;           if different - flags are in "jne" state
  22. ;
  23. ;* * * * * * * * * * * * * *
  24. 
  25.     PUBLIC    COMPARE4
  26. COMPARE4    PROC    FAR
  27.     cld
  28.     apush    cx,si,di
  29.     repe    cmpsb
  30.     apop    di,si,cx
  31.     retf
  32. COMPARE4    ENDP
  33. ;------------------------------------------------------------------------
  34.  
  35. LIBSEG    ENDS
  36.     end
  37.