Disk Sound Effects Board

General discussions related to the Altair 8800 Clone

Re: Disk Sound Effects Board

Postby JNZ » February 19th, 2016, 12:04 pm

Hmm, that's a shame. Does that include something a simple as low->high for activate, pulse for disk activity, and high->low for deactivate?
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Re: Disk Sound Effects Board

Postby AltairClone » February 19th, 2016, 6:41 pm

JNZ wrote:Hmm, that's a shame. Does that include something a simple as low->high for activate, pulse for disk activity, and high->low for deactivate?


Yes, I should be able to get a few coded signals to a smart sound generation circuit. The idea discussed in the past was using the high or low state of the line to indicate head loaded/unloaded, and a quick transition and return (starting at either polarity) of less than, say, 50us as a step signal.

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Re: Disk Sound Effects Board

Postby JNZ » February 19th, 2016, 6:54 pm

That'd be just fine from my perspective, and I'd be willing to flash my Altair Clone with firmware once you're ready to test it out. It'd also be great if others are working to make sound solutions too (because I'm learning as I go). I sort of jumped in here.
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