Description A strip chart is an area of the screen reserved for horizontal scrolling.
This is normally used as follows:
?
Initialize the strip chart, which reserves the appropriatearea of the
screen.
?
Draw a line segment at the right or left side of the strip chart.
?
Shift the strip chart to the right or left.
?
Draw the next line segment.
?
Used this way the strip chart can produce a graph which scrolls
smoothly horizontally in either direction. With text the strip chart
can produce a marquis effect.
NOTE
If the strip chart is used with text we recommend the use of a 6 or 7 pixel wide
?xed width character set, with each character placed 8 pixel
s from the start of the previous
one.
Up to 7 strip charts ([ref] = 0 - 6) may be de?ned. To initialize
a strip
chart the user must de?ne an area on the display in which to pla
ce the
strip chart.(x1,y1) is the top left corner of the area to be used, where
[x1] is the placement of the column where the strip chart is to
begin and
[y1] is the row. The user must then de?ne [x2] as the bottom rig
ht
column of the area to be utilized and [y2] as the bottom right row.
NOTE
The de?nition of x must lie on byte boundaries. That is, x must
be de?ned as
0x00, 0x08, 0x10, etc. This restriction does not apply to y values.
Remembered No
8.11 Shifting a Strip Chart
Syntax
Hexadecimal 0xFE 0x6B [ref]
Decimal 254 107 [ref]
ASCII 254 “k” [ref]
Parameters
Parameter Length Description
ref 1 Reference number of a strip chart
that has already been created.
Matrix Orbital GLK12232-25-SM
33