Talk:VRC7 audio: Difference between revisions

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:Yeah, I looked it up afterwards when I realized this info should be in the datasheet. I plan to do some testing of this later to make sure the numbers are good enough; the earlier ballpark guesses were just from trying things until it worked-- I believe some of the registers finish updating faster than others, so my guesses were a bit off from the recommended times, apparently. - [[User:Rainwarrior|Rainwarrior]] 20:44, 15 May 2012 (PDT)
:Yeah, I looked it up afterwards when I realized this info should be in the datasheet. I plan to do some testing of this later to make sure the numbers are good enough; the earlier ballpark guesses were just from trying things until it worked-- I believe some of the registers finish updating faster than others, so my guesses were a bit off from the recommended times, apparently. - [[User:Rainwarrior|Rainwarrior]] 20:44, 15 May 2012 (PDT)


== Michael Zimmerman fund ==
== Example recordings ==


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Do we want to link to the two "VRC7 audio is not YM2413 audio" recordings somewhere on this page? (Where?) —[[User:Lidnariq|Lidnariq]] ([[User talk:Lidnariq|talk]]) 20:09, 1 February 2016 (MST)
 
== Audio Enable ==
 
Does the audio enable just mute things? Does it reset all state? Or somewhere in-between?—[[User:Lidnariq|Lidnariq]] ([[User talk:Lidnariq|talk]]) 19:28, 30 August 2018 (MDT)
 
:I'll give it a test tomorrow. - [[User:Rainwarrior|Rainwarrior]] ([[User talk:Rainwarrior|talk]]) 22:50, 30 August 2018 (MDT)
 
:Appears to empty the registers and silence it. - [[User:Rainwarrior|Rainwarrior]] ([[User talk:Rainwarrior|talk]]) 18:44, 31 August 2018 (MDT)
:: So, seems plausible it's equivalent to the YM2413's /InitialClear pin? —[[User:Lidnariq|Lidnariq]] ([[User talk:Lidnariq|talk]]) 18:57, 31 August 2018 (MDT)

Latest revision as of 00:57, 1 September 2018

The OPLL datasheet (transcribed here- http://www.smspower.org/maxim/Documents/YM2413ApplicationManual#tableii2) suggests that the delays should be 12cy (A->D) and 84cy (D->A) of the 3.6MHz xtal, or ~3 and 21 NOPs Lidnariq 20:26, 15 May 2012 (PDT)

Yeah, I looked it up afterwards when I realized this info should be in the datasheet. I plan to do some testing of this later to make sure the numbers are good enough; the earlier ballpark guesses were just from trying things until it worked-- I believe some of the registers finish updating faster than others, so my guesses were a bit off from the recommended times, apparently. - Rainwarrior 20:44, 15 May 2012 (PDT)

Example recordings

Do we want to link to the two "VRC7 audio is not YM2413 audio" recordings somewhere on this page? (Where?) —Lidnariq (talk) 20:09, 1 February 2016 (MST)

Audio Enable

Does the audio enable just mute things? Does it reset all state? Or somewhere in-between?—Lidnariq (talk) 19:28, 30 August 2018 (MDT)

I'll give it a test tomorrow. - Rainwarrior (talk) 22:50, 30 August 2018 (MDT)
Appears to empty the registers and silence it. - Rainwarrior (talk) 18:44, 31 August 2018 (MDT)
So, seems plausible it's equivalent to the YM2413's /InitialClear pin? —Lidnariq (talk) 18:57, 31 August 2018 (MDT)
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