This program rolls one character along the display. A very interesting program to try
will be to have a message roll from left to right. Suppose we want to rotate the sequence
ABCDEFGH, the display will be as shown in the Table 9.10. D1, D2 … shows the digit
positions and T1, T2 … corresponds to the time instants at which the corresponding
characters are seen on the display. The delay must be large enough to create a feel-
ing of movement. The program for this problem is left as a challenge to interested
readers.
KEY POINTS OF THIS CHAPTER
lA ‘trainer kit’ with an 8086 and associated circuitry helps us to understand ...
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