Display control 4.1. Display control In this chapter all commands for display control are described. 4.1.1. Cursor control Backspace Hex 08h Decimal 8 ASCII BS This command moves the cursor by one character position to the left; the character at the resulting cursor position is deleted. The cursor does not move if it is at the most left-hand character position already. Cursor left Hex 06h Decimal 6 ASCII ACK This command moves the cursor by one character position to the left. The cursor does not move if it is at the most left-hand character position already. Cursor right Hex OCh Decimal 12 ASCII FF The cursor moves one position to the right.
If the cursor is caused to exceed the most right-hand character position it moves to the beginning of the next line. If the cursor is at the end of the last line of the scroll area, this command produces a scroll-up by one line. 4 - 3