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decimal to 8-bit binary conversion

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shreeharshakg

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hi,
sir, i'm working on DA-FIR filter generation using sysgen. i want to design a LUT for the same . so i am using vhdl code to design the LUT. i have designed the FIR filter. so i'm getting the coefficients form it . there are real numbers.. eg: 0.27656, -0.0984,... so initially i have to convert these to 8-bit binary digits. then depending on the sign bit addition/subtraction must be performed and stored in LUT.

can anybody please help me to how t writw the code for above constraints...
please do the needful... thanking you...

yours sincerely,
Shreeharsha
 

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