Fairlight CVI, Руководство пользователя

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RS232
PO RT C O N T R O L U P DAT E
Save Character (s)
Com mand:
SCmmmt
Indi vidual characters from the User Defined Fon t are
tra nsmi tted with this command.
mm
is the hexadecimal value
speci fying the ASCII code of the first character to be saved whilst
1111
specifies the last character. Ensure
mm
=
nn
to save a single
cha racter. Use
mm
=
00
and
nn
=
FF to save the entire font.
The format of a single font character. whether Saved or Loaded.
is s h o w n in a table at the end of this section. The character data
MUST BE TERMINATED BY A PERIOD; this allows a re­
synchronization to the next character if the data is somehow
corrupted.
Load Character
C o m mand: LC
A n y nu mber of individual font characters may be loaded into
the User Defined Font with this command. The format of the
loaded data matches that described for Save Character EXACTLY.
Each character is terminated by a period ".". If an attempt is
made to load a character whose ASCII code does not exist in the
f on t. the character is discarded. A complete list of ASCII codes
for the fonts is given in the ASCII Table at the end of this
section. The CVI will remain in
Load Character
mode until an
@
cha racter is received.
Load Title
C o m m and: LT
The
Current Title
is loaded with a string of ASCII characters.
Most ASCII characters from SPACE to "z" can be used in a title, as
w e l l as accents and a few foreign language characters.
O n ce the title is loaded it may be displayed on the screen i mage
using the
Print Title
command.
TT,
described under the
Paint
Me thods
RS-232 commands. The size of the title is restricted to
a bout 300 characters in length.
Cha nges of character size. font and style are entered with the
t i t l e control character "\" (ASCII 5C: backslash). followed by the
required control code. A table of Title Control Codes will be
found at the end of this section. The end of the title is indicated
by tra nsmitting II\EII to the CVI. The CVI will remain in
Load
Title
mode until either the title end is found or an
@
character is
recei ved. indicating a new command.
Save Library
Co mmand: SL
The entire contents of the title library are saved with this
command. Title control codes are included with the saved data. so
font, size and style information are not lost. Each title is
separated from the next with the "Title END" control code. Title
l i bra ries saved in this manner may be loaded with
Load Ti tle.
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REV. 7 SOFTWARE UPDATE