33 lines
856 B
Plaintext
33 lines
856 B
Plaintext
string 0; \use zero-terminated strings
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func Damm(Input); \Return 'true' if checksum is correct
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char Input;
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int Interim, Table;
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[Table:= [
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[0, 3, 1, 7, 5, 9, 8, 6, 4, 2],
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[7, 0, 9, 2, 1, 5, 4, 8, 6, 3],
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[4, 2, 0, 6, 8, 7, 1, 3, 5, 9],
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[1, 7, 5, 0, 9, 8, 3, 4, 2, 6],
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[6, 1, 2, 3, 0, 4, 5, 9, 7, 8],
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[3, 6, 7, 4, 2, 0, 9, 5, 8, 1],
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[5, 8, 6, 9, 7, 2, 0, 1, 3, 4],
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[8, 9, 4, 5, 3, 6, 2, 0, 1, 7],
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[9, 4, 3, 8, 6, 1, 7, 2, 0, 5],
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[2, 5, 8, 1, 4, 3, 6, 7, 9, 0] ];
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Interim:= 0;
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while Input(0) do
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[Interim:= Table(Interim, Input(0)-^0);
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Input:= Input+1;
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];
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return Interim = 0;
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];
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int String, I;
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[String:= ["5724", "5727", "112946", "112949"];
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for I:= 0 to 4-1 do
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[Text(0, String(I)); ChOut(0, 9\tab\);
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Text(0, if Damm(String(I)) then "true" else "false");
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CrLf(0);
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];
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]
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