NCR 7454, Руководство пользователя по оборудованию

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6-14 Chapter 6: NCR 7454 4x20 Customer Display
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.
Move Cursor Down
Format: 1B 12
Description: Moves the cursor down one line. When the cursor is on the 1 ‐ 3, the
cursor is moved to the same column on the next row. When the cursor
is on the row 4, the cursor is moved to the same column on 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.
Move Cursor To Specified Position
Format: 1B 13 nn
Range: 00
≤
nn
≤
4F (hex)
Description:
Moves the cursor to the specified position. Position 0 is the upper
leftmost position and position 4F is the lower rightmost position. Any
value outside this range will be discarded, the command will be
ignored, and the cursor will not be moved. 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. The
character positions are shown below.