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12 lines
422 B
Markdown
12 lines
422 B
Markdown
# Nintendo MMC5
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a mapper chip which made NES cartridges exceeding 1MB possible.
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it has two pulse channels which are very similar to the ones found in the NES, but lacking the sweep unit.
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additionally, it offers an 8-bit DAC which can be used to play samples. only one game is known to use it, though.
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# effects
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- `12xx`: **set duty cycle or noise mode of channel.**
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- may be `0` through `3` for the pulse channels.
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