Method xsub64_u8

pulley/src/interp.rs:1775–1777

(&mut self, dst: XReg, src1: XReg, src2: u8)

    }

    fn xsub64_u8(&mut self, dst: XReg, src1: XReg, src2: u8) -> ControlFlow<Done> {
        self.xsub64_u32(dst, src1, src2.into())
    }

    fn xsub64_u32(&mut self, dst: XReg, src1: XReg, src2: u32) -> ControlFlow<Done> {
        let a = self.state[src1].get_u64();