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A comment on Celebrating the first NES Tetris game crash. Parent comment

Re:Celebrating the first NES Tetris game crash by tom_ on Saturday December 23, 2023 @12:04AM (#38741772)
Looks like it might be doing the bcd by hand. See, e.g., L93C7 (and following code) in the disassembly here: https://github.com/CelestialAmber/TetrisNESDisasm
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