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Page 96 100-88002 Rev B
Double-Byte and Multi-Byte Code Page Description Files
In ASCII mode the Epic 880
TM
Printer supports double byte code pages. Currently
there are 4 double-byte codepages available and one multi-byte.
Double Byte code pages available are: Code page 932, 936, 949 and 950
Multi-byte code page available are GB18030-2000.
These code pages require an appropriate Unicode font be loaded that support all the
characters in the requested code page.
Due to the large number of characters in these code pages. These files are not
supported in a customer definable ASCII form like the Code page descriptions files
described above. They are compiled and compressed into a 2 or 3 file code
description set. One file is like the Code page description file in that it may be
referenced just like the normal code page description files. The other two files are
double byte and multi-byte decode files and are referenced in the master code page
description. These files not distributed with the standard printer but are available from
Transact upon request.
Code Page Selection
In ASCII mode the Epic 880
TM
Printer supports many different international character
sets. In IBM and EPOS printers, there are two ways of selecting a character set.
One way substitute’s international characters in the upper 128 characters of a
standard character set. The substitution technique supports a few different countries.
However, as more and more countries were added, too many characters were being
replaced, and it became a problem for the application to match the characters
displayed and printed.
To solve this problem, a second method of selecting a character set was developed –
code pages. The printer and display use the same code page, and the application
displays and prints the same characters. IBM and EPOS defined new commands to
select code pages, and left the old commands in effect.
The Epic 880
TM
Printer supports international character sets as well as code pages.
To allow the most flexibility for the application programmer, both methods are
extended in the Epic 880
TM
Printer. In IBM mode, there are 19 character sets and 60
code pages. In EPOS mode, there are 57 character sets and five code pages.
5
The Epic 880
TM
Printer allows the IBM code page selection command to choose
character sets as well as normal IBM code pages. The EPOS character set select
command has been extended to allow additional character sets over and above the
11 defined by EPOS. The EPOS code page select command has not been extended
because there is no EPOS definition beyond the first six ID’s.
All characters in code pages as well as character sets are addressed as zero through
255. (Characters below 32 must be addressed with the [ESC] ^ <n> command.) Code
pages may be changed at any time and are active for all features including rotated
5
Epson provides limited code page support through ID to code page translation. Only six
translations are defined.