This example shows
how black dots and
white dots form an
image of the letter A.
To create a data stream for this imag e, start with the bottom
row. Count the number of white dots and black dots, in order
of appearance in each row.
For example, rows 1 through 4 (at the bottom) in the image
above have these dot counts:
Row 1: 4 White, 8 Black, 19 White, 8 Black, 4 White
Row 2: 4 White, 8 Black, 19 White, 8 Black, 4 White
Row 3: 4 White, 8 Black, 19 White, 8 Black, 4 White
Row 4: 5 White, 7 Black, 19 White, 7 Black, 5 White
Row 3
Row 2
Row 1
9400 Series Programmer’s Manual
5-2