Quote from: Prodatron on 18:29, 23 May 23As does the Speccy, though understanding it's contention behaviour (for the RAM that is contended) is absolute black magic. And different on different machines. And even different pages of memory on different 128s.Quote from: Optimus on 17:47, 23 May 23p.s. Isn't it nice (even if lost that cycle) that this loss, ended up having to count NOP cycles instead of actual? Helped me a lot to easily sketch in my mind instructions from 1 to 6 NOP cycles,. be aware what's fast and what's to be avoided if possible, for optimizations.That's trueI don't begrudge the MSX guys for calculating their cycles in a more complicated way.
Best are the Enterprise 64/128 guys, which have "slow" (first 64K, shared with the video chip) and "fast" ram (>64K, Z80 runs at full speed) (like the Amiga).
Quote from: Optimus on 17:47, 23 May 23p.s. Isn't it nice (even if lost that cycle) that this loss, ended up having to count NOP cycles instead of actual? Helped me a lot to easily sketch in my mind instructions from 1 to 6 NOP cycles,. be aware what's fast and what's to be avoided if possible, for optimizations.That's true
Quote from: Prodatron on 18:10, 23 May 23I agree with you 100% - any "problematic" videos should be highlighted individually & immediately to the YT channel administrator (IE me) with the option to delete them or to proceed at your own risk.Quote from: ComSoft6128 on 05:05, 23 May 23But without warning (no previous strikes!) I was sent an email stating that I had contravened the YT Community Guidelines and my channel was cancelled. I appealed, asking for examples, but the appeal was turned down.This sucks so much!![]()
I have no idea how this is possible with these 80ies pixel graphics...
Good, that you still have all the nice videos and seem to take it easy. I really like your mission to make videos of everything ever existed on the CPC, even the small things.
Quote from: poulette73 on 17:38, 23 May 23Hello,Changed
The video is private, can you change paramaters to public view ? Thanks 😉
Quote from: eto on 17:40, 23 May 23Nice catch. Interesting that a malfunctioning 8255 can have that effect even if no keyboard is connected.
yes it's good to know
good after I did not put back the original AY-3-8912 because I had already mounted the SIL 2.2K with the AY-3-8912A / P
would like in case if someone has a link to find this part?
it would be nice to post it for others.
I took from an organ donor card
Quote from: ComSoft6128 on 05:05, 23 May 23But without warning (no previous strikes!) I was sent an email stating that I had contravened the YT Community Guidelines and my channel was cancelled. I appealed, asking for examples, but the appeal was turned down.This sucks so much!
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