Intermec Trakker T2090, User Manual

Page: 191 / 246

BIOS Support
7-5
7
07h Scroll window
down Supported. Graphics are not scrolled.
Input:
al = # of lines to scroll down(if 0, screen is
cleared)
bh = Attribute for lines blanked at top of
the window
Bit 2 Bit 1 Bit
-------- -------- -------
X 0 0 Is Normal
X 0 1 Is Double Wide
X 1 0 Is Double Height
X 1 1 Double High & Wide
1 Reverse
bl = scroll attribute
0 scroll text (no graphics on the
display).
1 scroll text (but only scroll text
actually written on display, not
graphics).
2 scroll graphics (Not supported).
3 scroll graphics and text (Not
supported).
ch = Top Row (0 - 7)
dh = Bottom Row (0 - 7)
08h Read character
and attribute Supported, but no attribute support.
09h Write character
and attribute at
cursor
position Supported, but no attribute support.
Inputs:
cx = count of characters to do, ignored if
zero
al = char to write
0Ah Write character Supported.
Input:
cx = count of characters to write
al = character to write
0Bh Set color palette Not supported.
0Ch Write pixel dot Supported.
Inputs
al= 0 (turn pixel on)
1 (turn pixel off)
(cx)= x(col)1-119
(dx)= y(row)1-71