Forward index, Reverse index, Partial line advance – Dascom T2250 User Guide IGP for Dot Matrix Printers User Manual

Page 39: Chapter 2: emulations

Advertising
background image

Chapter 2: Emulations

39

Forward Index

The Forward Index Command moves the paper forward one line with no change in horizontal
position. This command is valid only in Character Mode; it is not allowed in Plot Mode. The
Forward Index escape sequence is:

ESC D

1B 44

Example:

Input: A

ESCD

B

ESCD

C

ESCD

D

CRLF

Output:

A
B
C
D

After the CRLF, the print position would be on this line at the left margin.

Reverse Index

The Reverse Index Command moves the paper backward one line with no change in horizontal
position. This command will not move the print location past the top of the current form and is
valid only in Character Mode. The Reverse Index escape sequence is:

ESC M

1B 4D

Example:

Input: A

ESCM

B

ESCM

C

ESCM

D

CRLFLFLFLF

Output:

D
C
B
A

After the final LF, the print position would be on this line at the left margin.

Partial Line Advance

The Partial Line Advance Command moves the paper up or down a partial line for use in
superscripting and subscripting. A parameter of 0 moves the paper up; 1 moves the paper down.

ESC [ n Sp p

1B 5B 20 70

Advertising