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Altera_Forum
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16 years ago

Vhdl Alu

It is possible to create an ALU that add, subtracts and multiplies all in one? I cannot seem to get the multiplication to work because I need double the storage because the numbers are being multipl...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

Hi,

if you sum a number of 8 bits with another number of 8 bits the result may have 9 bits but your variable "temp" has only 8 bits!

Eg: 1111 1111 + 1111 1111 = 1 1111 1110

I think he said this!