#define DISPLAY_SET_SEGMENT_REMAP_00H DISPLAY_CMD=0xa0
#define DISPLAY_SET_SEGMENT_REMAP_7fH DISPLAY_CMD=0xa1
#define DISPLAY_RAM_CONTENTS_ON DISPLAY_CMD=0xa4
#define DISPLAY_SET_SEGMENT_REMAP_00H DISPLAY_CMD=0xa0
#define DISPLAY_SET_SEGMENT_REMAP_7fH DISPLAY_CMD=0xa1
#define DISPLAY_RAM_CONTENTS_ON DISPLAY_CMD=0xa4