41 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			Markdown
		
	
	
	
	
	
			
		
		
	
	
			41 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			Markdown
		
	
	
	
	
	
# WonderSwan
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a handheld console released only in Japan by Bandai, designed by the same people behind Game Boy and Virtual Boy.
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for this reason it has lots of similar elements from those two systems in the sound department.
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it has 4 wavetable channels. some of them have additional capabilities:
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- the second channel could play samples
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- the third one has hardware sweep
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- the fourth one also does noise
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## effects
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- `10xx`: **change wave**.
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- `11xx`: **setup noise mode.** channel 4 only.
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  - 0: disable.
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  - 1-8: enable and set length.
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- `12xx`: **setup sweep period.** channel 3 only.
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  - 0: disable.
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  - 1-32: enable and set period.
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- `13xx`: **setup sweep amount.** channel 3 only.
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  - `00` to `7F` for 0 to 127.
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  - `80` to `FF` for -128 to -1.
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## info
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this chip uses the [WonderSwan](../4-instrument/wonderswan.md) instrument editor.
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## channel status
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the following icons are displayed when channel status is enabled in the pattern view:
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- PCM mode (channel 2):
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  -  off
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  -  on
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- sweep (channel 3):
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  -  disabled
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  -  enabled
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- noise mode (channel 4):
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  -  off
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  -  on
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