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Altera_Forum's avatar
Altera_Forum
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16 years ago

problem with ModelSim

I use ModelSim to simulate an adder(sumador.vdh) and a testbench(bancopruebas.vdh) that read a text file "Datos.txt" where the data are;and put the result in other file "resultados.txt". After I comp...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

probably because you forgot the line:

suma <= OpA_I + OpB_I;

but even this is going to have your results lagging by 1 result because suma is a signal and not a variable.