8 input digital POT

I have an application where I need to replace a mechanical potentiometer
with a digital one. The problem I have is I want to use 8 5v inputs to
control the resistance (eg. 8 control pins on a pc parallel port). Is
there an IC that will address this, or is there a circuit that can be
built? I can find 256 tap digi pot IC's but they all have an increment/
decrement thing going on. Please Help TY
.

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