> Subtracting from zero is negation. What’s the negative of 0x123? It is 0xfffffedd. > Hmm, we get 0xfffffccd. No, we didn't. The emulator shows 0xfffffedd,

> Subtracting from zero is negation. What’s the negative of 0x123? It is 0xfffffedd. > Hmm, we get 0xfffffccd. No, we didn't. The emulator shows 0xfffffedd, and I've checked it manually. The emulator is right.