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2001/10/02
CHAPTER 2 "PCL" - 31
4.2.22. Horizontal position
Horizontal cursor positioning - columns
Esc&a#C (27)(38)(97)#(67) <1Bh><26h><61h>#<43h>
# = number of columns
• A plus or minus sign preceding the number of columns parameter indicates that the cursor is to be positioned
relative to its current position. A signed positive parameter value signifies that the cursor is to be repositioned
to the right on the page, a negative value means that it will be moved to the left.
• An unsigned number as the parameter signifies that the horizontal repositioning is absolute - the cursor will
be repositioned the specified number of columns to the right of the left edge of the logical page, the PCL
coordinate system’s y-axis.
• The parameter value can have up to two decimal places.
• The cursor’s vertical position remains unchanged.
• If you attempt to move the cursor to a position that is outside the boundaries of the logical page, the cursor
will be positioned at either the left or right edge of the logical page as appropriate.
10 REM ***** HORIZONTAL CURSOR POSITIONING *****
20 ESC$=CHR$(27)
30 REM
40 REM --- POSITIONING CURSOR AT COLUMN 10 ---
50 LPRINT ESC$+"&a10C";
60 LPRINT "A";
70 REM --- MOVING CURSOR 5 COLUMNS TO THE LEFT ---
80 LPRINT ESC$+"&a-5C";
90 LPRINT "B";
100 REM --- MOVING CURSOR 10 COLUMNS TO THE RIGHT ---
110 LPRINT ESC$+"&a+10C";
120 LPRINT "C";
130 REM --- PAPER EJECT ---
140 LPRINT CHR$(12);
150 END
<Sample file 3>
Horizontal cursor positioning - units
Esc*p#X (27)(42)(112)#(88) <1Bh><2Ah><70h>#<58h>
# = number of units
• The Units value is defined by the Esc & u # D command.
• A plus or minus sign preceding the number of dots parameter indicates that the cursor is to be positioned
relative to its current position. A signed positive parameter value signifies that the cursor is to be repositioned
to the right on the page, a negative value means that it will be moved to the left.
• An unsigned number as the parameter signifies that the horizontal repositioning is absolute - the cursor will
be repositioned the specified number of dots to the right of the left edge of the logical page, the PCL
coordinate system’s y-axis.
• The cursor’s vertical position remains unchanged.
• If you attempt to move the cursor to a position that is outside the boundaries of the logical page, the cursor
will be positioned at either the left or right edge of the logical page as appropriate.
10 REM ***** HORIZONTAL CURSOR POSITIONING *****
20 ESC$=CHR$(27)
30 REM
40 REM --- POSITIONING CURSOR AT 1 INCH ---
50 LPRINT ESC$+"*p300X";
60 LPRINT "A";
70 REM --- MOVING CURSOR 0.5 INCHES TO THE LEFT ---
80 LPRINT ESC$+"*p-150X";
90 LPRINT "B";