User`s manual

TLS PC Link
TM
Programmer’s Guide
48
Appendix B: Image File Definitions
Image Type U:
Record Types:
Dot-Row Record
This record defines the pixel data for one dot-row. After each Dot-Row record,
the Y cursor is incremented so that the next Dot-Row is on the next line.
0x80 ndd...d
where:
n number of data bytes dd...d
dd...d data
Repeat Record
This record will repeat the last Dot-Row Record sent.
0x00 0x00 0xFF n
where: n number of duplicates
X Cursor Record
This record will place the X cursor at an absolute location. All Dot-Row Records
following this command will begin at this X location until a new X Cursor
Record is sent. This pixel location must be a multiple of 8.
0x58 pp
where: pp number of pixels from left edge
represented as 16 bits with low byte
sent first
Y Cursor Record
This record will place the Y cursor at an absolute location to position the next
Dot-Row Record.
0x59 pp
where: pp number of pixels from top edge
represented as 16 bits with low byte