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Altera_Forum
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12 years ago

Quartus 13.1: Reversed bits in RTL Viewer

Hi! Since the introduction of the new RTL viewer with Quartus 13.1, the bits are shown in reverse order, i.e. instead of 16'h0001 it shows 16'h8000. Is it happening to anybody else? Any wa...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
12 years ago

At least in signal tap you can make a "right mouse click" on the signal's name and choose between "MSB on Top, LSB on Bottom" or "LSB on Top, MSB on Bottom" to reverse the bit order to get the correct representation displayed... I had same issues as I tend to define the vector as x downto y (e.g. 15 downto 0 with Bit15 being MSB) rather x to y (e.g. 0 to 15 with Bit 0 being MSB)...