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  • 14:47, 23 June 2022 Quietust talk contribs created page Talk:VRC IRQ (Created page with "==VRC7== From the decapsulated VRC7 image we have available, I analyzed the implementation of the IRQ counter (with the help of the user SCSR on Discord, who traced the lower layers and allowed me to build a visual chip simulator for it) and have found the following: * The prescaler is actually implemented as 2 separate counters: one 2-bit that counts up to 2 before resetting and one 7-bit that counts up to 112 or 113 before resetting (with the condition <tt>((B0 | A1) &...")