Antonino A. Daplas wrote:

Richard Wolf wrote:

quoted

Presumably if I take the shadow buffer route then I could maintain _two_
shadow buffers.  This would allow me to detect whether the user accessible
buffer had been changed and update the display only when necessary.  

Yes, that will work too.

check for the epson SED15xx (not sure) driver. sounds like similar 
hardware, same approach.

markus
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