fn rr_c(cpu: &mut Cpu) {
        let c = cpu.c();

        let r = rr(cpu, c);

        cpu.set_c(r);
    }
/// Rotate `C` to the right through carry
Rotate `C` to the right through carry
Rotate ` C ` to the right through carry
fn rr_c(cpu: &mut Cpu) {
        let c = cpu.c();
        let r = rr(cpu, c);
        cpu.set_c(r);
    }
fn rr_c ( cpu : & mut Cpu ) { let c = cpu . c ( ) ; let r = rr ( cpu , c ) ; cpu . set_c ( r ) ; }
Rotate `C` to the right through carry
Rotate ` C ` to the right through carry
cpu
&mut Cpu
cpu
&mut Cpu