//----------------------------------------------------------------------------//
//                           GNU GPL OS/K                                     //
//                                                                            //
//  Desc:  Basic Scancode Tables                                              //
//                                                                            //
//                                                                            //
//  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/>.            //
//----------------------------------------------------------------------------//

#define NONE        0
#define INVISIBLE   1
#define CAPSLOCK    2
#define INVALID     256

#define ENTRY(index, character, flags) [2 * index] = character, \
                                       [2 * index + 1] = flags

const uint RegularScanCodes[2 * 256] =
{
    ENTRY (0x00,    0,          INVISIBLE|INVALID),
    ENTRY (0x01,    K_ESCAPE,   INVISIBLE),

    ENTRY (0x02,    '&',    NONE),
    ENTRY (0x03,    'e',    NONE),
    ENTRY (0x04,    '"',    NONE),
    ENTRY (0x05,    '\'',   NONE),
    ENTRY (0x06,    '(',    NONE),
    ENTRY (0x07,    '-',    NONE),
    ENTRY (0x08,    'e',    NONE),
    ENTRY (0x09,    '_',    NONE),
    ENTRY (0x0A,    'c',    NONE),
    ENTRY (0x0B,    'a',    NONE),
    ENTRY (0x0C,    ')',    NONE),
    ENTRY (0x0D,    '=',    NONE),
    ENTRY (0x0E,    '\b',   NONE),
    ENTRY (0x0F,    '\t',   NONE),

    ENTRY (0x10,    'a',    CAPSLOCK),
    ENTRY (0x11,    'z',    CAPSLOCK),
    ENTRY (0x12,    'e',    CAPSLOCK),
    ENTRY (0x13,    'r',    CAPSLOCK),
    ENTRY (0x14,    't',    CAPSLOCK),
    ENTRY (0x15,    'y',    CAPSLOCK),
    ENTRY (0x16,    'u',    CAPSLOCK),
    ENTRY (0x17,    'i',    CAPSLOCK),
    ENTRY (0x18,    'o',    CAPSLOCK),
    ENTRY (0x19,    'p',    CAPSLOCK),

    ENTRY (0x1A,    '^',    NONE),
    ENTRY (0x1B,    '$',    NONE),
    ENTRY (0x1C,    '\n',   NONE),
    ENTRY (0x1D,     0,     INVISIBLE|INVALID),     // Left Control

    ENTRY (0x1E,    'q',    CAPSLOCK),
    ENTRY (0x1F,    's',    CAPSLOCK),
    ENTRY (0x20,    'd',    CAPSLOCK),
    ENTRY (0x21,    'f',    CAPSLOCK),
    ENTRY (0x22,    'g',    CAPSLOCK),
    ENTRY (0x23,    'h',    CAPSLOCK),
    ENTRY (0x24,    'j',    CAPSLOCK),
    ENTRY (0x25,    'k',    CAPSLOCK),
    ENTRY (0x26,    'l',    CAPSLOCK),
    ENTRY (0x27,    'm',    CAPSLOCK),

    ENTRY (0x28,    '%',    NONE),
    ENTRY (0x29,    '2',    NONE),                  // ²
    ENTRY (0x2A,     0,     INVISIBLE|INVALID),     // Left Shift
    ENTRY (0x2B,    '*',    NONE),
    
    ENTRY (0x2C,    'w',    CAPSLOCK),
    ENTRY (0x2D,    'x',    CAPSLOCK),
    ENTRY (0x2E,    'c',    CAPSLOCK),
    ENTRY (0x2F,    'v',    CAPSLOCK),
    ENTRY (0x30,    'b',    CAPSLOCK),
    ENTRY (0x31,    'n',    CAPSLOCK),
    ENTRY (0x32,    ',',    CAPSLOCK),
    ENTRY (0x33,    ';',    CAPSLOCK),
    ENTRY (0x34,    ':',    CAPSLOCK),
    ENTRY (0x35,    '!',    CAPSLOCK),

    ENTRY (0x39,    ' ',    NONE),

    ENTRY (0x40,    '\a',   INVISIBLE),             // F6

    // Numpad keys
    ENTRY (0x37,    '*',    NONE),
    ENTRY (0x47,    '7',    NONE),
    ENTRY (0x48,    '8',    NONE),
    ENTRY (0x49,    '9',    NONE),
    ENTRY (0x4A,    '-',    NONE),
    ENTRY (0x4B,    '4',    NONE),
    ENTRY (0x4C,    '5',    NONE),
    ENTRY (0x4D,    '6',    NONE),
    ENTRY (0x4E,    '+',    NONE),
    ENTRY (0x4F,    '1',    NONE),
    ENTRY (0x50,    '2',    NONE),
    ENTRY (0x51,    '3',    NONE),
    ENTRY (0x52,    '0',    NONE),
    ENTRY (0x53,    '.',    NONE),

    ENTRY (0xE0,    0,      INVISIBLE),
};

const uint LeftShiftScanCodes[2 * 256] =
{
    ENTRY (0x00,    0,          INVISIBLE|INVALID),
    ENTRY (0x01,    K_ESCAPE,   INVISIBLE),

    ENTRY (0x02,    '1',    NONE),
    ENTRY (0x03,    '2',    NONE),
    ENTRY (0x04,    '3',    NONE),
    ENTRY (0x05,    '4',    NONE),
    ENTRY (0x06,    '5',    NONE),
    ENTRY (0x07,    '6',    NONE),
    ENTRY (0x08,    '7',    NONE),
    ENTRY (0x09,    '8',    NONE),
    ENTRY (0x0A,    '9',    NONE),
    ENTRY (0x0B,    '0',    NONE),
    ENTRY (0x0C,    'o',    NONE),
    ENTRY (0x0D,    '+',    NONE),
    ENTRY (0x0E,    '\b',   NONE),
    ENTRY (0x0F,    '\t',   NONE),

    ENTRY (0x10,    'A',    CAPSLOCK),
    ENTRY (0x11,    'Z',    CAPSLOCK),
    ENTRY (0x12,    'E',    CAPSLOCK),
    ENTRY (0x13,    'R',    CAPSLOCK),
    ENTRY (0x14,    'T',    CAPSLOCK),
    ENTRY (0x15,    'Y',    CAPSLOCK),
    ENTRY (0x16,    'U',    CAPSLOCK),
    ENTRY (0x17,    'I',    CAPSLOCK),
    ENTRY (0x18,    'O',    CAPSLOCK),
    ENTRY (0x19,    'P',    CAPSLOCK),

    ENTRY (0x1A,    '^',    NONE),
    ENTRY (0x1B,    '$',    NONE),
    ENTRY (0x1C,    '\n',   NONE),
    ENTRY (0x1D,     0,     INVISIBLE|INVALID),     // Left Control

    ENTRY (0x1E,    'Q',    CAPSLOCK),
    ENTRY (0x1F,    'S',    CAPSLOCK),
    ENTRY (0x20,    'D',    CAPSLOCK),
    ENTRY (0x21,    'F',    CAPSLOCK),
    ENTRY (0x22,    'G',    CAPSLOCK),
    ENTRY (0x23,    'H',    CAPSLOCK),
    ENTRY (0x24,    'J',    CAPSLOCK),
    ENTRY (0x25,    'K',    CAPSLOCK),
    ENTRY (0x26,    'L',    CAPSLOCK),
    ENTRY (0x27,    'M',    CAPSLOCK),

    ENTRY (0x28,    '%',    NONE),
    ENTRY (0x29,    '2',    NONE),                  // ²
    ENTRY (0x2A,     0,     INVISIBLE|INVALID),     // Left Shift
    ENTRY (0x2B,    '*',    NONE),
    
    ENTRY (0x2C,    'W',    CAPSLOCK),
    ENTRY (0x2D,    'X',    CAPSLOCK),
    ENTRY (0x2E,    'C',    CAPSLOCK),
    ENTRY (0x2F,    'V',    CAPSLOCK),
    ENTRY (0x30,    'B',    CAPSLOCK),
    ENTRY (0x31,    'N',    CAPSLOCK),
    ENTRY (0x32,    '?',    NONE),
    ENTRY (0x33,    '.',    NONE),
    ENTRY (0x34,    '/',    NONE),
    ENTRY (0x35,    '!',    NONE),

    ENTRY (0x39,    ' ',    NONE),

    // Numpad keys
    ENTRY (0x47,    K_HOME,         INVISIBLE),
    ENTRY (0x48,    K_ARRW_UP,      INVISIBLE),
    ENTRY (0x49,    K_PAGE_UP,      INVISIBLE),
    ENTRY (0x4B,    K_ARRW_LEFT,    INVISIBLE),
    ENTRY (0x4D,    K_ARRW_RIGHT,   INVISIBLE),
    ENTRY (0x4F,    K_END,          INVISIBLE),
    ENTRY (0x50,    K_ARRW_DOWN,    INVISIBLE),
    ENTRY (0x51,    K_PAGE_DOWN,    INVISIBLE),
    ENTRY (0x52,    K_INSERT,       INVISIBLE),
    ENTRY (0x53,    K_DEL,          INVISIBLE),

    ENTRY (0xE0,    0,              INVISIBLE),
};

const uint AltGrScanCodes[2 * 256] = {
    ENTRY (0x03,    '~',    NONE),
    ENTRY (0x04,    '#',    NONE),
    ENTRY (0x05,    '{',    NONE),
    ENTRY (0x06,    '[',    NONE),
    ENTRY (0x07,    '|',    NONE),
    ENTRY (0x08,    '`',    NONE),
    ENTRY (0x09,    '\\',   NONE),
    ENTRY (0x0A,    '^',    NONE),
    ENTRY (0x0B,    '@',    NONE),
    ENTRY (0x0C,    ']',    NONE),
    ENTRY (0x0D,    '}',    NONE),
};

const uint LeftAltScanCodes[2 * 256] = { 0 };

const uint LeftControlScanCodes[2 * 256] = {
    ENTRY (0x2E,    K_ESCAPE,    INVISIBLE),            // Ctrl+C
};

const uint E0ScanCodes[2 * 256] = {
    ENTRY (0x1C,    '\n',           NONE),              // Numpad Enter
    ENTRY (0x35,    '/',            NONE),              // Numpad Slash
    ENTRY (0x47,    K_HOME,         INVISIBLE),         // Home key
    ENTRY (0x48,    K_ARRW_UP,      INVISIBLE),         // Cursor UP
    ENTRY (0x49,    K_PAGE_UP,      INVISIBLE),         // Page UP
    ENTRY (0x4B,    K_ARRW_LEFT,    INVISIBLE),         // Cursor LEFT
    ENTRY (0x4D,    K_ARRW_RIGHT,   INVISIBLE),         // Cursor RIGHT
    ENTRY (0x4F,    K_END,          INVISIBLE),         // End key
    ENTRY (0x50,    K_ARRW_DOWN,    INVISIBLE),         // Cursor DOWN
    ENTRY (0x51,    K_PAGE_DOWN,    INVISIBLE),         // Page DOWN
    ENTRY (0x52,    K_INSERT,       INVISIBLE),         // Insert mode
    ENTRY (0x53,    K_DEL,          INVISIBLE),         // Delete key
};