Strange glitches (UA6540+UA6541)

Discuss hardware-related topics, such as development cartridges, CopyNES, PowerPak, EPROMs, or whatever.

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onimush
Posts: 9
Joined: Wed Apr 04, 2018 12:52 am

Strange glitches (UA6540+UA6541)

Post by onimush »

Has anyone ever seen something like this on official consoles or any clones?
https://youtu.be/GhaMdrMc5qY
https://youtu.be/IPP0q8fIYK0

It's the very first nes PPU clone made by UMC in 1988. It is interesting to understand: this is the feature of this sample or such glitches - the reason for which UMC released fixed UA6538 in '89. What does it look like to you?
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