Forum Discussion

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

Modelsim simulation problem: altfp_mult floating point multiplier Megafunction

Hallo everybody, i have a problem when doing a functional simulation on Altera altfp_mult Megafunction: I configured the Megafunction to multiply two 32 bit floats with 5 clock cycles latency...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
17 years ago

Try setting aclr to '1' for a couple clock cycles at the beginning of the simulation. If you have aclr hard-wired to '0', all the registers in the megafunction may not be getting set to a known value, thus, you see the x's.