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new command is received.
4-6
Move cursor left
When the current cursor is at the left-end position, this command operates differently
depending on the display mode.
Overwrite mode:
When the cursor reached the left-end of the lower line, it will continue
to the right-end of the upper line, overwrite previous characters. When it reached the
left end of the upper line, it will continue to the right-end of the lower line.
Vertical scroll mode:
When the cursor reached the left-end of the lower line, the lower
line will scroll up and replace the previous upper line, the lower line will be cleared and
the cursor will continue to the right end of the lower line.
Horizontal scroll mode:
The cursor will remain stationary.
4-7
Move cursor right
Move the cursor to the right. When the cursor has reached the right-end, this command
operates differently depending on the display mode.
Overwrite mode:
When the cursor has reached the right-end of the lower line, it will
continue to the left-end of the upper line and overwrite previous characters. When it has
reached the right-end of the upper line, it will continue to the right-end of the lower line.
Vertical scroll mode:
When the cursor has reached the right-end of the lower line, the
lower line will scroll up to replace the upper line, the lower line is cleared and ready to
continue characters thereafter.
Horizontal scroll mode:
The cursor will remain stationary.
4-8
Move cursor up
Move the cursor up one line. When the cursor is on the upper line, this command operates
differently depending on the display mode.
Overwrite mode:
The cursor is moved to the same column the lower line.
Vertical scroll mode:
The characters displayed on the upper line is scrolled to the
lower line, and the upper line is cleared. The cursor will remain at the same position.
Horizontal scroll mode:
The cursor will remain stationary.
4-9
Move cursor down
Move the cursor down one line. When the cursor is on the lower line, this command operates
