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.
Second attempt 8 days later. Thirty minutes later:
，这一点在谷歌浏览器【最新下载地址】中也有详细论述
第四十一条 有下列行为之一的，处五日以上十日以下拘留，可以并处一千元以下罚款；情节较轻的，处五日以下拘留或者一千元以下罚款：
“我们开发了休闲、佐餐、冷鲜30多个系列产品，黄羊酱、灯影羊肉等特别受市场欢迎。”四川德健南江黄羊食品有限公司负责人陈浩介绍。“龙头企业+基地+农户”，全产业链发展，品牌价值达41.85亿元。
离开县城，这一切都变得不同了。时间似乎是把一切推倒重来。有次路过北京的一座高架桥，我妈指着它说，“看，以前我们就在这住。”我们以前去过的很多地方，都已经随着拆迁消失了。