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Replying to @RandyMongenel and @ZxSpectROM

Thanks, yeah, I know I shouldn’t, but I read that the Z80 can safely source / sink ~1.6 mA per pin. My thinking is that if I select current limiting resistors that limit me to about 1 mA it might be okay. plus it’s a one-off for my own learning; don’t want to over-engineer it.

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