Chapter 6: NCR 7454 4x20 Customer Display 6-13

 

Move Cursor Left

Format:

1B 0F

Description:

Moves the cursor one position to the left. When the cursor is at the left

 

end of the rows 2-4, it moves to the right end of the row above it. When

 

the cursor is at the left end of the row 1, it moves to the right end of the

 

row 4. The cursor location always indicates the position of the next

 

character to be displayed, whether the cursor is enabled and blinking

 

or not. After each character is displayed, the firmware performs a

 

logical Move Cursor Right command.

 

Move Cursor Right

Format:

1B 10

Description:

Moves the cursor one position to the right. When the cursor is at the

 

right end of the row 1-3, it moves to the left end of the next row. When

 

the cursor is at the right end of the row 4, it moves to the left end of the

 

row 1. The cursor location always indicates the position of the next

 

character to be displayed, whether the cursor is enabled and blinking

 

or not. After each character is displayed, the firmware performs a

 

logical Move Cursor Right command. When the cursor is at the right

 

end of the row 4, it moves to the left end of the row 1 and operates in

 

an Overwrite Mode. (i.e., The next character sent to the display will

 

overwrite the character in the left end of the row 1.)

 

Move Cursor Up

Format:

1B 11

Description:

Moves the cursor up one line. When the cursor is on the row 2-4, the

 

cursor is moved to the same column on the row above it. When the

 

cursor is on the row 1, the cursor is moved to the same column on the

 

row 4. The cursor location always indicates the position of the next

 

character to be displayed, whether the cursor is enabled and blinking

 

or not. After each character is displayed, the firmware performs a

 

logical Move Cursor Right command.

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NCR NCR7454 manual Move Cursor Left, Move Cursor Right, Move Cursor Up