Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

decimal fraction

Hi, How can I convert the decimal fraction to the mantissa format (IEEE). The MegaWizard function demands the decimal number in binary form (3 = 0011, for example). So how can I convert 0.3 to man...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

--- Quote Start ---

All integers are in 2s compliment - there is no decimal representation in any electronics.

--- Quote End ---

Not entirely true!

Some old processors (eg the Singer 'System 10' and its descendent the ICL 'System 25') used BCD arithmetic and addressing.