//----------------------------------------------------------------------------//
//                                OS on Kaleid                                //
//                                                                            //
//  Desc:       VGA terminal                                                 //
//                                                                            //
//                                                                            //
//  Copyright © 2018-2020 The OS/K Team                                       //
//                                                                            //
//  This file is part of OS/K.                                                //
//                                                                            //
//  OS/K is free software: you can redistribute it and/or modify              //
//  it under the terms of the GNU General Public License as published by      //
//  the Free Software Foundation, either version 3 of the License, or         //
//  any later version.                                                        //
//                                                                            //
//  OS/K is distributed in the hope that it will be useful,                   //
//  but WITHOUT ANY WARRANTY//without even the implied warranty of            //
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the             //
//  GNU General Public License for more details.                              //
//                                                                            //
//  You should have received a copy of the GNU General Public License         //
//  along with OS/K.  If not, see <https://www.gnu.org/licenses/>.            //
//----------------------------------------------------------------------------//

#ifndef _KERNEL_H
#include <kernel.h>
#endif

#ifndef _IO_VGA_H
#define _IO_VGA_H

//----------------------------------------------------------------------------//

enum
{
    VGA_COLOR_BLACK,
    VGA_COLOR_BLUE,
    VGA_COLOR_GREEN,
    VGA_COLOR_CYAN,
    VGA_COLOR_RED,
    VGA_COLOR_MAGENTA,
    VGA_COLOR_BROWN,
    VGA_COLOR_LIGHT_GREY,
    VGA_COLOR_DARK_GREY,
    VGA_COLOR_LIGHT_BLUE,
    VGA_COLOR_LIGHT_GREEN,
    VGA_COLOR_LIGHT_CYAN,
    VGA_COLOR_LIGHT_RED,
    VGA_COLOR_LIGHT_MAGENTA,
    VGA_COLOR_LIGHT_BROWN,
    VGA_COLOR_WHITE,

    VGA_COLOR_CURRENT = -1,
};

extern const char *RtlColorNames[VGA_COLOR_WHITE+1];

#define RtlColorToChar(c) ((c) + 130)
#define RtlCharToColor(c) ((c) - 130)

uint IoGetScroll(void);
void IoSetScroll(uint);
void IoScrollUp(void);
void IoScrollDown(void);

void IoChangeTermColor(int, int);


int IoGetCursorOffset(void);
void IoSetCursorOffset(int);

error_t IoInitVGABuffer(void);

//----------------------------------------------------------------------------//

#endif