Important Notice

The pages on this site contain documentation for very old MS-DOS software, purely for historical purposes. If you're looking for up-to-date documentation, particularly for programming, you should not rely on the information found here, as it will be woefully out of date.

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     In CV.EXE, the DOS or real-mode version of CodeView, the /S option
     swaps the video pages used by CodeView and the application being
     debugged. Use this option if
 
        ■ The application you are debugging uses video page 0, which
          is normally used by CodeView.
 
        ■ You are unable to display the application screen during
          debugging. This situation may arise when debugging
          applications that run in graphics mode.
 
        ■ You are debugging with a mouse under OS/2 running in the DOS
          session. If you are debugging under OS/2 running in the DOS
          session without a mouse, you must specify the /M (Disable
          Mouse) option when you start up CodeView.
          See: ◄Disable Mouse /M►
 
     The /43 and /50 options, which change video modes, automatically
     select the /S option.
     See: ◄Set 43-line mode (/43)►
          ◄Set 50-line mode (/50)►
 
     The /F option does not swap video pages between CodeView and the
     application being debugged. This option is the default for
     CodeView, so you don't need to specify it explicitly.
 
     The /F and /S options are not supported in CVP.EXE, the
     protected-mode version of CodeView.
 
     See: ◄Screen Swapping and Flipping►
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