84PCSE:RAM:Page3:AA11

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Synopsis

Unofficial Name: pixelShadow2

Memory Address: (Page 3) AA11h to (page 2) CAE0h

Length: 8400 bytes

Stores a monochrome image of the current screen contents (excluding the status bar area.)

Comments

This buffer can be used as an alternative to pixelShadow, allowing you to switch between two text screens.

Several flags affect the use of this buffer:

  • When either appTextSave is cleared or textDisplayOnly is set, nothing is drawn to the pixel shadow. For example, appTextSave is normally cleared by the OS when a menu is displayed.
  • If putmapUsePixShad2 is cleared, pixelShadow is used instead.
  • For variable-width text routines, if write_on_graph is set, the characters are drawn to the graph buffer instead.

See also

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