There is also 0xf1, known as icebp or int1. One-byte opcodes won't save you when the code is jumping into the middle of instructions. The instruction you want

There is also 0xf1, known as icebp or int1. One-byte opcodes won't save you when the code is jumping into the middle of instructions. The instruction you want to breakpoint might be in the middle of some other instruction that will run.