#pragma once
#include <ircolib/types.hpp>

namespace weee::core {
struct mem;

struct video_interface {
    video_interface(mem &);
    void write16(ircolib::u32, ircolib::u16);
    void write32(ircolib::u32, ircolib::u32);
    ircolib::u16 read16(ircolib::u32);
    ircolib::u32 read32(ircolib::u32);

    ircolib::u32 xfb_top_addr() {
        auto addr = tfbl.fbb;
        if (tfbl.page) {
            addr <<= 5;
        }

        return addr + tfbl.xof;
    }

    union DCR {
        struct {
            unsigned e : 1;
            unsigned r : 1;
            unsigned i : 1;
            unsigned d : 1;
            unsigned le0 : 2;
            unsigned le1 : 2;
            unsigned fmt : 2;
            unsigned : 6;
        };

        ircolib::u16 raw;
    } dcr;

    union HTR0 {
        struct {
            unsigned hlw : 9;
            unsigned : 7;
            unsigned hce : 7;
            unsigned : 1;
            unsigned hcs : 7;
            unsigned : 1;
        };

        ircolib::u32 raw;
    } htr0;

    union HTR1 {
        struct {
            unsigned hsy : 7;
            unsigned hbe : 10;
            unsigned hbs : 10;
            unsigned : 5;
        };

        ircolib::u32 raw;
    } htr1;

    union VTR {
        struct {
            unsigned equ : 4;
            unsigned acv : 10;
            unsigned : 2;
        };

        ircolib::u16 raw;
    } vtr;

    union VTO {
        struct {
            unsigned prb : 10;
            unsigned : 6;
            unsigned psb : 10;
            unsigned : 6;
        };

        ircolib::u32 raw;
    } vto, vte;

    union BBI {
        struct {
            unsigned bs1 : 5;
            unsigned be1 : 11;
            unsigned bs3 : 5;
            unsigned be3 : 11;
        };

        ircolib::u32 raw;
    } bbei, bboi;

    union FBR {
        struct {
            unsigned : 3;
            unsigned page : 1;
            unsigned xof : 4;
            unsigned fbb : 24;
        };
        ircolib::u32 raw;
    } tfbl{}, bfbl{};

    union FCT012 {
        struct {
            unsigned tap0 : 10;
            unsigned tap1 : 10;
            unsigned tap2 : 10;
            unsigned : 2;
        };

        ircolib::u32 raw;
    } fct0[3];

    union FCT3456 {
        struct {
            unsigned tap0 : 8;
            unsigned tap1 : 8;
            unsigned tap2 : 8;
            unsigned tap3 : 8;
        };

        ircolib::u32 raw;
    } fct1[4];

    union HSR {
        struct {
            unsigned stp : 9;
            unsigned : 3;
            unsigned hs_en : 1;
            unsigned : 3;
        };

        ircolib::u16 raw;
    } hsr;

    bool viclk;
};
} // namespace weee::core