PX 30 and PX 120 Operating Manual
4-1
Text Memory
The text memory is fitted with a Flash-EPROM with a 32 KByte capacity. Its address
range consists of record numbers 1 ... 9999. The address range has been made this
large so that records can be numbered both sensibly and systematically.
EPROMs with a 32KByte memory capacity and an access time of < 250 ns may also be
used, however.
Creating Text
The software required for creating text and programming the text memory is described in
detail in the "ADIT DOS" Manual.
Character Set
Both the IBM and Cyrillic character sets can be used on the PX 30 and PX 120.
Please note that characters 1B
H
and 23
H
(#) are used for special functions.
Character (hex)
Function
1B
Used as a start character for an ESC-Sequence;
ESC-Sequences determine the attributes of text and variables
(eg. flashing characters) and also clear the display before
showing new text (see section below entitled "Control Charac-
ters")
23
Text mask for variables (#)
The range of characters that can be represented is from 20
H
to FE
H
.
A configuration instruction can be used to switch to the Cyrillic character set (see the
section entitled "Configuration").
Control Characters (ESCAPE Sequences)
The following control characters are supported by the PX 30 and the PX 120:
Control Command
ESC-Sequence
Explanation
Clear display
ESC 40
Displayed text is cleared. Text attributes
(variables etc.) are also lost.
Flasher on
ESC 06
From this point on, text will flash.
This does not affect the variables.
Flasher off
ESC 07
From this point on, text will no longer flash.
Line Break
ESC 45
Corresponds to the ASCII: CR-LF
Right Justification *
ESC 56
Refer to page 5-2, "Variable Layout"
Text in Display Mode
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