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User's Guide
D-16 Code Sets
Table D-3. AMT and Diablo 630 Escape Sequences––continued
Function ASCII Hexadecimal Decimal Description
Text Functions––continued
Double-high printing ......... ESC @ H n 1B 40 48 n 27 64 72 n This sequence starts and ends double-high printing, where-
Start ................................ ESC @ H 1 1B 40 48 31 27 64 72 49 in characters print twice their normal height. This sequence
End ................................. ESC @ H 0 1B 40 48 30 27 64 72 48 does not change the current line spacing.
Double-wide printing ........ ESC @ W n 1B 40 57 n 27 64 87 n This sequence starts and ends double-wide printing, where-
Start ................................ ESC @ W 1 1B 40 57 31 27 64 87 49 in characters print twice their normal width. This sequence
End ................................. ESC @ W 0 1B 40 57 30 27 64 87 48 does not change the current character spacing.
Start auto center mode ...... ESC = 1B 3D 27 61 This sequence starts the automatic center mode, wherein the
printer stores all subsequent data in a special buffer. When
the printer receives a carriage return, line feed, or any paper
movement command, it prints the stored data centered on
the point that is midway between the left and right margins;
then the automatic center mode ends.
Automatic centering allows the line to extend beyond the
left and right margins. If automatic justify is on when auto-
matic centering starts, automatic centering takes precedence
on the current line only. If the printer receives an End
Word Processing Modes sequence while automatic center-
ing is on, automatic centering turns off and the stored data
prints normally.
Start auto justify mode ..... ESC M 1B 4D 27 77 This sequence starts the automatic justify mode, wherein the
printer stores all subsequent data in a special buffer. When
the printer receives a carriage return, line feed, or any paper
movement command, it prints the stored data justified
between the left and right margins.
This sequence should precede the first printable character
on the line to be justified. The printer begins its justify
calculations from the position of the first printable character
after the carriage return, line feed, horizontal tab or this
sequence. This allows unjustified leading spaces or tabs,
and partial-line justification. The printer calculates the
number of 1/120-inch offsets needed to fill out or condense
a line so that it fits perfectly between the first printable
character and the right margin. If the line must expand to
more than twice its original length or condense so that
characters touch, the line prints unjustified. The printer
applies the offset value to word spaces and then to word
and character spaces.
When the printer receives an End Word Processing Modes
sequence, the automatic justify mode ends and any text in
the buffer prints normally.
User's Guide
D-16 Code Sets
Table D-3. AMT and Diablo 630 Escape Sequences––continued
Function ASCII Hexadecimal Decimal Description
Text Functions––continued
Double-high printing ......... ESC @ H n 1B 40 48 n 27 64 72 n This sequence starts and ends double-high printing, where-
Start ................................ ESC @ H 1 1B 40 48 31 27 64 72 49 in characters print twice their normal height. This sequence
End ................................. ESC @ H 0 1B 40 48 30 27 64 72 48 does not change the current line spacing.
Double-wide printing ........ ESC @ W n 1B 40 57 n 27 64 87 n This sequence starts and ends double-wide printing, where-
Start ................................ ESC @ W 1 1B 40 57 31 27 64 87 49 in characters print twice their normal width. This sequence
End ................................. ESC @ W 0 1B 40 57 30 27 64 87 48 does not change the current character spacing.
Start auto center mode ...... ESC = 1B 3D 27 61 This sequence starts the automatic center mode, wherein the
printer stores all subsequent data in a special buffer. When
the printer receives a carriage return, line feed, or any paper
movement command, it prints the stored data centered on
the point that is midway between the left and right margins;
then the automatic center mode ends.
Automatic centering allows the line to extend beyond the
left and right margins. If automatic justify is on when auto-
matic centering starts, automatic centering takes precedence
on the current line only. If the printer receives an End
Word Processing Modes sequence while automatic center-
ing is on, automatic centering turns off and the stored data
prints normally.
Start auto justify mode ..... ESC M 1B 4D 27 77 This sequence starts the automatic justify mode, wherein the
printer stores all subsequent data in a special buffer. When
the printer receives a carriage return, line feed, or any paper
movement command, it prints the stored data justified
between the left and right margins.
This sequence should precede the first printable character
on the line to be justified. The printer begins its justify
calculations from the position of the first printable character
after the carriage return, line feed, horizontal tab or this
sequence. This allows unjustified leading spaces or tabs,
and partial-line justification. The printer calculates the
number of 1/120-inch offsets needed to fill out or condense
a line so that it fits perfectly between the first printable
character and the right margin. If the line must expand to
more than twice its original length or condense so that
characters touch, the line prints unjustified. The printer
applies the offset value to word spaces and then to word
and character spaces.
When the printer receives an End Word Processing Modes
sequence, the automatic justify mode ends and any text in
the buffer prints normally.