Now as XMAS is coming, it's the time to make fun. It is a Sinclair ZX-SPECTRUM emulator running in piCore. It is emulating the tape loading also, so it is funny to wait for 20k get loaded in 5 minutes
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And the game itself:
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It works fine except sound which is not perfect, there is a periodic clicking noise (same on Raspbian, not piCore issue). Good point you can turn it off. It is good without a sound anyhoe.