Video game emulation

An emulator is a type of software that allows a personal computer or game console to emulate a computer or game console's hardware and play its games on the emulating platform.

More often than not, emulators offer additional features that surpass the limitations of the original machine, such as broader controller compatibility, timescale control, greater performance, clearer quality, easier access to memory modifications (like GameShark), one-click cheat codes, and unlocking of gameplay features. However, if a game is not supported by the emulator, then the game doesn't work properly, or not even start up, which is why it's recommended to always update your emulators if you want to run most of the games.

A list of emulators for many machines can be seen here.

Enhancements
Software that emulates a computer or console can be improved with additional capabilities that the original system did not have. These include Enhanced graphical capabilities, such as spatial anti-aliasing, upscaling of the framebuffer resolution to match high definition and even higher display resolutions, as well as texture sharpening.

Furthermore, emulation software may offer online multiplayer functionality and the ability to speed up and slow down the emulation speed. This allows the user to fast-forward through unwanted cutscenes for example, or the ability to disable the frame limiter entirely.

Cheat Codes
Many emulators make it far easier to load console-based cheats, without requiring potentially expensive proprietary hardware devices such as those used by GameShark and Action Replay. Freeware tools allow codes given by such programs to be converted into code that can be read directly by the emulator's built-in cheating system, and even allow cheats to be toggled from the menu.

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