1. I wrote a markdown file with the specification of what I wanted to do. Just English, high level ideas about the scope of the Z80 emulator to implement. I said things like: it should execute a whole instruction at a time, not a single clock step, since this emulator must be runnable on things like an RP2350 or similarly limited hardware. The emulator should correctly track the clock cycles elapsed (and I specified we could use this feature later in order to implement the ZX Spectrum contention with ULA during memory accesses), provide memory access callbacks, and should emulate all the known official and unofficial instructions of the Z80.
2025年12月，中央政治局召开民主生活会，习近平总书记主持会议并发表重要讲话。
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重启 Claude Code 终端会话。输入 /skills 指令，若能在列表中看到 frontend-design，即表示集成成功。
can reuse the array when ((union alloc_header *)data)[-1].ref is zero.