CHECK10 Example
Example:
|
|
CHECK10 |
BASENBR TO WTFACTR,CHKDIG(3) |
|
|
Variable |
PL |
FP |
LP |
Contents |
|
Before: |
BASENBR |
4 |
1 |
4 |
8649 |
|
|
WTFACTR |
3 |
1 |
3 |
212 |
|
|
CHKDIG(3) |
1 |
1 |
1 |
x |
|
|
|
After: |
CHKDIG(3) |
1 |
1 |
1 |
9 |
|
|
BASENBR and WTFACTR remain unchanged. |
The EQUAL Condition Flag is set.
The computation is as follows:
2 times 8 = 16 (lateral addition 1 + 6) = 7
1 times 6 = 6
2 times 4 = 8
7 + 6 + 8 = 21
21 / 10 = 2 with a remainder of 1
C = 10 - 1 = 9 (computed check digit)
