The Sega Genesis also known as the Megadrive over in Europe and Japan, was a very popular 16-bit console, designed to compete with Nintendo.
It has two primary sound chips: The YM2612 and the SN76489
The Yamaha YM2612 has 6 channels: 5 FM channels and 1 FM/DAC channel. Also has hardpanned stereo.
The Texas Instruments SN76489 has 4 channels: 3 square channels and 1 noise channel.
It is worth noting that the Sega Master System also had the TI SN76489. It was used in the Genesis for backwards compatibility with the SMS, and it can be used in conjunction with the YM2612.
Both this entry format and the SMS entry format share the .VGM file format.
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