SCR_ALLOCLDTBGVAL (76h) - Options

Options

Characteristics of Video RAM (VRAM) address space are customized with the Options parameter. The following values are valid:
• Make segment readable code; no validation in background
  
• Make segment writable data; no validation in background
  
• Free selector
  
• Make segment readable IOPL code
  
• Make segment Read/Write IOPL data
  
• Tag selectors Physical Video Buffer (PVB); make segment writable data with validation in background
  Other
  Reserved

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