The Nintendo MMC1 Mapper
The Nintendo MMC1 is a mapper ASIC used in Nintendo's SxROM, NES-EVENT and 2ME circuit boards. Unlike almost all other mappers, the MMC1 is configured through a serial port in order to...
NES Emulator
Play NES in a browser
This is a Nintendo Entertainment System (NES) emulator implemented in vanilla JavaScript. Thus, it is possible to play NES games in a browser. You can use the emulator online by clicking on the website link below. The source code includes a server.js file that you can download and execute to create a local web server for the emulator.
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Architecture Overview
The Nintendo Entertainment System has the following components: 2A03 CPU based on the MOS Technology 6502 8-bit microproce...
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The Nintendo MMC3 Mapper
The Nintendo MMC3 is a mapper ASIC used in Nintendo's TxROM Game Pak boards. Most common TxROM boards, along with the NES-HKROM board (which uses the Nintendo MMC6), are assigned....
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What comes next?
The NES emulator is an ongoing project. There is still a lot of work to be done. More mappers are to be implemented so that even more games can be played on the emulator. The codebase will be refactored to achieve a passing result on a greater number of test roms. The Audio Processing Unit (APU) will be improved to increase sound quality. Support for saving game state is another bullet point on the wish list.