alex-laskin/Adafruit-PCD8544-Nokia-5110-LCD-library — pull request #1 by mattyqwin (2014-04-03 16:16:20+00:00)
Title: screenshot utilities, pixel-wise scroll with optional wrap

Fast native buffer access utilities:
+replace screen buffer from PROGMEM or SRAM
+screenshot to SRAM in native format
Pixelwise whole-of-screen scrolling with optional wrap-around:
+up, down, left, right