adafruit/Adafruit_SSD1306 — pull request #3 by Nikkted (2012-11-21 14:03:34+00:00)
Title: Hotizontal scrolling update Adafruit_SSD1306.cpp

In functions startscrollleft(uint8_t start, uint8_t stop) and startscrollright(uint8_t start, uint8_t stop),
E[7:0] : Dummy byte was set to 0x01 instead of 0x00 (Datasheet page 28).
The first pixel column was not scrolled.