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Altera_Forum's avatar
Altera_Forum
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21 years ago

new user needs help with var inits..

Hello, I have a NIOS-1 design that I am having some trouble with. My tools are a bit dated, because I had to use NIOS-1 (because of the older FPGA on the board that I was forced to ue) -- S...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
21 years ago

NaN is for Not a Number. It seems like you might have a memory corruption, like something is setting the Total_output value to something other than zero between the time you initialized the value and tried to print the value.

If you happen to have an FS/2 black box, you could set a trigger to go off when the memory location of Total_output is written. This could indicate what code is overwriting your value.