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Convert BCD in accu 1 into double integer.
The accu 1 that is interpreted as 7-digit BCD-number is converted into a 4-bytes-binary number and the result is stored in accu 1.
The 4 most significant bits are interpreted as sign. If they are all ‘1’ the result will be negative.
There will be no controlling whether the number in accu 1 is a valid BCD-number.
Until version 2.1 this function has interpreted the accu 1 as 8-digit, always positive BCD-number by mistake. That is why programs that have made use of this property are faulty now.
See also:
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