16 lines
		
	
	
		
			555 B
		
	
	
	
		
			Markdown
		
	
	
	
	
	
			
		
		
	
	
			16 lines
		
	
	
		
			555 B
		
	
	
	
		
			Markdown
		
	
	
	
	
	
# Bubble System WSG
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a Konami's 2 channel wavetable sound generator logic used at their arcade hardware Bubble System.
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It's configured with K005289, 4 bit PROM and DAC.
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Also known as K005289, but that's just part of the logic used for pitch and wavetable ROM address.
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Waveform select and Volume control are tied with single AY-3-8910 IO for both channels.
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Another AY-3-8910 IO is used for reading sound hardware status.
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Furnace emulates this configurations as single system, waveform format is 15 level and 32 width.
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# effects
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- `10xx`: change wave.
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