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import type The65c02 from "../65c02.ts";
export default function (this: The65c02, mode: string) {
const addr = this.getAddr(mode);
this.io.address.set(addr);
this.read();
const res = this.io.data.num() - 1;
this.io.data.set(res & 0xFF);
this.write();
this.flagZN(res & 0xFF)
}
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