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A '''[[wikipedia:Field-programmable gate array|field-programmable gate array]]''' ('''FPGA''') is a type of technology microchip that can reconfigure itself after it has been manufactured, hence "field-programmable". To program an FPGA chip, developers The technology has found use a in emulation as it can reimplement the hardware descriptor language as opposed without having to resort to any kind of binary translation to a computer platform's native code. Instead of adhering to an instruction set or a programming language. Using , FPGA chips are instead programmed using a [[wikipedia:Hardware_description_language|HDLshardware descriptor language]], they describe (HDL) that describes the components and logic of needed to run the original hardware software. This programming isn't permanent; corrections and other changes can be made afterwards so that it can be compiled isn't limited to one application like an [[wikipedia:Application-specific integrated circuit|ASIC]]. Despite what one may think, FPGAs are not a new technology; they've been around for as long as Macintoshes have been, with manufacturer Altera being the first to introduce an FPGA to the market in 1984. While they already had use by in aftermarket cartridges (like setting up mappers for ROMs like the array. SD2SNES does), using them in place of entire consoles was considered esoteric until commercial devices using FPGAs have become especially useful were released in emulation as it allows for connectivity with cartridges and more features beyond what the original console accomplishedmid to late 2010s.