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documentation, particularly for programming, you should not rely on the information found here, as it will be woefully out of date.

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─────/OV Option─────────────────────────────────────────────────────────────
 
     Syntax:  /O[VERLAYINTERRUPT]:number
 
     The /OV option sets an interrupt number for passing control to
     overlays. Specify a number from 0 to 255 in decimal format or
     C-language notation. The default number is 63 (3F hexadecimal).
     See: ◄Entering Numeric Arguments►
 
     This option is valid only when linking DOS programs.
 
     Use /OV if necessary to avoid a conflict with another program
     using interrupt number 63. Numbers that conflict with DOS
     interrupts can be used; however, their use is not advised.
     See: ◄Using Overlays►
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