28029 Parallax Inc, 28029 Datasheet - Page 194

• Manufacturer Part Number: 28029
• Description: KIT PARTS SMART SENSORS W/TEXT
• Manufacturer: Parallax Inc

Specifications of 28029

• Accessory Type: Parts Kit
• Product: Microcontroller Accessories
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• For Use With/related Products: BASIC Stamp® or Javelin Modules
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Contains lead / RoHS non-compliant
• Other names: 28029PAR

Page 182 · Smart Sensors and Applications
Figure 5-8: Display Characters Stored in EEPROM
Tracking a Character’s Old and New Coordinates
Let’s say you want to track the previous X and Y coordinates in the original unmodified
PlotXYGraph.bs2 from Activity #1. It takes two steps:
(1) Declare a couple of variables for storing the old values,
(2) Before loading new values into the
√
example.
into
Instead of 14 characters per row, the EEPROM Map shows 16. Verify that you
have a total of 100 (0 to 99) characters stored for display purposes in EEPROM.
x
y
xOld
yOld
temp
xOld
and the current value of
VAR
VAR
VAR
VAR
VAR
Word
Word
Nib
Nib
Byte
y
into
x
and
yOld
y
variables, store the current value of
.
' <--- Add
' <--- Add
xOld
and
yOld
for
x