pub(crate) fn ld_vx_byte(&mut self, optcode: u16) {
        debug!("LDVxByte => {:#X} - done", optcode);
        let (_vx, _byte) = vx_byte!(optcode);
        self.v[_vx] = _byte;
        self.pc += 2;
        //self.quit = true;
    }
/// 6xkk - LD Vx, byte
/// Set Vx = kk.
/// The interpreter puts the value kk into register Vx.
LD Vx, byte
Set Vx = kk.
The interpreter puts the value kk into register Vx.
LD Vx byte Set Vx = kk . The interpreter puts the value kk into register Vx .
pub(crate) fn ld_vx_byte(&mut self, optcode: u16) {
        debug!("LDVxByte => {:#X} - done", optcode);
        let (_vx, _byte) = vx_byte!(optcode);
        self.v[_vx] = _byte;
        self.pc += 2;
        //self.quit = true;
    }
pub ( crate ) fn ld_vx_byte ( & mut self , optcode : u16 ) { debug ! ( " " optcode ) ; let ( _vx , _byte ) = vx_byte ! ( optcode ) ; self . v [ _vx ] = _byte ; self . pc += 2 ; //self.quit = true; }
6xkk - LD Vx, byte
Set Vx = kk.
6xkk - LD Vx byte Set Vx = kk .
&mut self
optcode
u16
&mut self
optcode
u16