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Text File  |  1990-10-25  |  581b  |  15 lines
  1.                 ╔════════════════╗
  2.                 ║  SYSTEM FLAGS  ║
  3.                 ╚════════════════╝
  4.  
  5. This option demonstrates a pair of assembler routines,
  6. GETFLAG and SETFLAG,  which are used to set or get the
  7. current status of  locations  in the Intra-Application
  8. Communications Area,  a 16-byte block of RAM reserved,
  9. by DOS, for signalling between applications programs.
  10.  
  11. These flags retain their settings, even when a program
  12. terminates and so provide a limited means of parameter
  13. passing for stand-alone QuickBASIC programs,  compiled
  14. with the /O switch.
  15.