17 lines
		
	
	
		
			519 B
		
	
	
	
		
			Markdown
		
	
	
	
	
	
			
		
		
	
	
			17 lines
		
	
	
		
			519 B
		
	
	
	
		
			Markdown
		
	
	
	
	
	
| # Commodore PET
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| 
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| a computer from 1977 which was leader on US schools back then. subsequently the Apple II took its throne.
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| 
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| maybe no better than a computer terminal, but somebody discovered a way to update the screen at turbo rate - and eventually its sound "chip" (it was nothing more than an 8-bit shift register) was abused as well.
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| some of these didn't even have sound...
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| 
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| ## effects
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| 
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| - `10xx`: **set waveform.**
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|   - `xx` is a bitmask.
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| 
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| ## info
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| 
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| this chip uses the [PET](../4-instrument/pet.md) instrument editor.
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