Soft Fonts
Chapter 9
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470 Operators Manual
80
^A
^D
Command
118
Read Volatile User Memory:
The 470 will send the contents of the volatile
(320KB) user memory to the serial port.
0
List volatile graphic images and downloadable fonts
1
List volatile graphic images
2
List volatile downloadable fonts
119
Read Non-Volatile User Memory:
The 470 will send the contents of non-
volatile 192KB user memory to the serial port.
0
List non-volatile labels, graphics images and downloadable fonts.
1
List non-volatile labels
2
List non-volatile graphic images
3
List non-volatile downloadable fonts
9.2
DOWNLOADABLE FONT STRUCTURE
A downloadable font consists of a font descriptor block (header), a proportional character array
pointer table, a non-proportional character array pointer table, and the character pixel array.
NOTES:
- All words are in low-byte, high byte format.
- The maximum (before ASCII-HEX encryption) size is 128K bytes.
Character Header:
PARAMETER
SIZE
DESCRIPTION
Font name
-
18chr Text surrounded by quotes
ex. "Marin 12x8 "
All data following the font name should be in ASCII-HEX
format.
Words -
word
Number of words following this element. This is the word size of
the following data BEFORE it is encrypted into the ASCII-HEX
format.
First Char
-
byte
First character in font, ex. 20h
Last Char
-
byte
Last character in font, ex. 7Fh
Pitch
-
word
Pitch of packed characters, size of character pixel array
piers (see below)
Cell Height
-
word
Cell height of font
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