mapper

noun3

1. •
   One who produces a map.
2. •
   A designer of levels for video games.

   • As he churned out early versions of the Quake III engine, the mappers and artists felt adrift, with no direction on what to pursue. — 2003
3. •
   A software or hardware component that performs a mapping.

   • Throughout the Famicom's life span, Nintendo produced several ASIC mappers, which grew in capability and specialty, allowing the Famicom to break many of its own hardware rules. — 2015