Below is the same grid divided into three sections to make the data calculation easier. At the bottom of each section of each column is the total of the pin numbers for that section. This gives you the total of 126 data numbers necessary to print this small figure.
128
64
32
16
8
4
2
1
0 | 0 | 0 | 0 |
| 1 | 7 | 3 1 | 3 1 | 3 1 | 3 1 | 3 1 | 3 1 | 3 1 | 2 8 | 3 0 | 1 5 | 3 | 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | 3 |
| 1 5 | 3 1 | 3 1 | 3 1 | 3 1 | 3 1 | 3 1 | 2 8 | 2 8 | 3 1 | 7 | 1 | 0 | 0 | 0 | 0 |
128
64
32
16
8
4
2
1
0 | 0 | 15 | 127 | 255 | 255 | 255 | 255 | 255 | 255 | 240 | 128 | 255 | 127 |
| 0 | 128 | 240 | 255 | 31 |
| 1 | 0 | |||||
0 | 3 | 31 | 255 | 255 | 255 | 255 | 255 | 255 | 252 | 224 | 240 | 255 | 15 | 0 | 192 | 254 | 127 | 7 | 0 | 0 | |||||||
128
64
32
16
8
4
2
1
63 | 255 | 255 | 255 | 255 | 255 | 254 | 248 | 224 | 0 | 0 | 0 |
| 192 | 240 | 252 | 15 | 7 | 7 | 199 | 247 | 127 |
| |||||
| 127 | 255 | 255 | 255 | 255 | 255 | 252 | 240 | 192 |
| 0 | 0 | 0 | 224 | 248 | 126 | 7 | 7 | 135 | 231 | 255 | 63 | |||||
The BASIC program that prints the above design is shown on the next page. Note that the data numbers in lines 80 through 140 are the same numbers that are at the bottom of each section in the last illustration. The WIDTH statement in line 10 is for IBM PC BASIC; the WIDTH statement format may be different for your system.
Software and Graphics