31
(5) External image data expand command
This command sets the image data to the rasterized image register buffer (volatile memory).
Assuming that the card is horizontally oriented, this registers a maximum of 320 vertical dot
image expansion data to the position specified with the X coordinate on the buffer for one
page.
Turns the image data on the host to text formats, and expands the 320 dot image data as 80
character text format. If registering the image part way in a Y direction, this sets the parameter
expansion starting Y address.
With the total for the expansion starting address and the expansion image data exceed 320
dots, a reject response is issued.
Command Transfer Formats
STX 43h Expansion start
X coordinate
‘,’ Expansion start
Y address
‘,’ Expansion image
data
ETX BCC
Response Transfer Formats
STX 43h Status ETX BCC
Parameter Explanation
• Expansion starting X coordinate parameter
Specifies whether to expand the registered image X coordinate to the rasterized image
register buffer.
‘0’ – “479”
• ‘,' (Commas)
Required to separate parameters.
• Expansion starting Y address parameter
Specifies whether to expand the registered image Y address to the rasterized image register
buffer. Becomes 0 when omitted.
’0’ – ‘39’
• Expansion image data parameter
Expresses each 8 dots using two characters of text.
Composed of 80 byte data over the entire vertical area. LSB specifies the upper side bits;
MSB specifies the lower side bits. In the example below, this is “A3.”
● bit 0 ‘3’ (33h)
● bit 1
○ bit 2
○ bit 3
○ bit 4 ‘A’ (41h)
● bit 5
○ bit 6
● bit 7