#pragma once

#include <spider/SpiderRuntime.hpp>

namespace spider {

    /**
     * Implements an instruction reel.
     */
    class InstrReel {
    private:

    public:

        InstrReel();

        ~InstrReel();

    public:

    

    public:

        /**
         * Returns the two-byte instruction at the
         * specific byte location.
         */
        u16 instrAt(u64 ip) const;

        /**
         * Obtains a byte of data at
         * the specific location.
         */
        u8 dataAt(u64 ip) const;

    public:

        /**
         * Fetches the data, and then
         * feeds the instruction into the
         * CPU.
         * 
         * Returns how many steps it should
         * move after.
         */
        u8 feedNext(CPU& cpu);

    public: // Static Utils //

        static u16 unpackInstr(u16 bcode);

        static u8 unpackAddrMode(u16 bcode);

        static u8 unpackTypeSize(u16 bcode);

    };

}