Microcom 470 - Manual (Page 88)

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