NCR 5977 Graphical Display Programming 6-112
Horizontal Scroll
Format
1F 03
Description
This command moves the cursor horizontally one space at a time. The position of the
cursor determines the line where the characters scroll. The characters above or below
the current cursor position are not affected.
Note: Once this command is activated, all impending characters are in horizontal scroll
mode, unless it is cancelled by the Overwrite Mode 1F 01.
Overwrite Mode
Format
1F 01
Description
This is the default mode of the VFD Display. This command overwrites or replaces the
existing characters of the VFD Display once the display is filled with all the 128
characters (for 8x16). Once all 128 is filled, all impending characters start back at position
zero and continue to write forward.
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