fn rl_h(cpu: &mut Cpu) {
        let h = cpu.h();

        let r = rl(cpu, h);

        cpu.set_h(r);
    }
/// Rotate `H` to the left through carry
Rotate `H` to the left through carry
Rotate ` H ` to the left through carry
fn rl_h(cpu: &mut Cpu) {
        let h = cpu.h();
        let r = rl(cpu, h);
        cpu.set_h(r);
    }
fn rl_h ( cpu : & mut Cpu ) { let h = cpu . h ( ) ; let r = rl ( cpu , h ) ; cpu . set_h ( r ) ; }
Rotate `H` to the left through carry
Rotate ` H ` to the left through carry
cpu
&mut Cpu
cpu
&mut Cpu