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     On machines with an 80386/486 processor, the /R option tells
     CodeView to use the 80386/486 debug registers. These debug
     registers allow CodeView to implement certain types of
     "breakpoints" (break on change in memory area) through the
     processor itself, thus increasing the speed of program execution.
 
     NOTE: This option is not supported in CVP.EXE, the protected-mode
           version of CodeView.
 
     CodeView does not use the debug registers if you
 
        ■ Use any watch expression
 
        ■ Specify more than four breakpoints that break on changes in
          memory areas
 
     See: ◄Watch Menu: Set Breakpoint Command►
          ◄Set Breakpoint (BP) Command-Window Command►
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