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Altera_Forum's avatar
Altera_Forum
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8 years ago

Dividing a negative number

Hi How can I divide a negative number by 32 ? without using a dsp ip core. thanks
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
8 years ago

this is what I did in VHDL: what do you think?

1.shift right 5 bits.

2.fill this 5MSBs

slope(10 downto 0) <= delta_y (15 downto 5) ;

slope(15 downto 11) <= delta_y(15) & delta_y(15) & delta_y(15) & delta_y(15) & delta_y(15);