If you need to trace the next instruction, you need to set the trap bit again.
如果你需要单步执行下一条指令,你需要在一次的设置陷阱标志位。
B: Okay then, take a piece of bread and put a bit of oil in it and put it in the trap.
B:那你就用一片面包,抹点油然后放进圈套里。
The 8th bit of the flag register is called trap flag.
标志寄存器的第8位叫做陷阱标志。
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