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/*
* code page 437 to unicode map
*
* This file may be distributed under the terms of the GNU LGPLv3 license.
*/
#include "types.h"
#include "biosvar.h"
#include "cp437.h"
static VAR16 u16 cp437_to_unicode_map[256] = {
/* https://en.wikipedia.org/wiki/Code_page_437 */
[ 0x00 ] = 0x0000,
[ 0x01 ] = 0x263A,
[ 0x02 ] = 0x263B,
[ 0x03 ] = 0x2665,
[ 0x04 ] = 0x2666,
[ 0x05 ] = 0x2663,
[ 0x06 ] = 0x2660,
[ 0x07 ] = 0x2022,
[ 0x08 ] = 0x25D8,
[ 0x09 ] = 0x25CB,
[ 0x0a ] = 0x25D9,
[ 0x0b ] = 0x2642,
[ 0x0c ] = 0x2640,
[ 0x0d ] = 0x266A,
[ 0x0e ] = 0x266B,
[ 0x0f ] = 0x263C,
[ 0x10 ] = 0x25BA,
[ 0x11 ] = 0x25C4,
[ 0x12 ] = 0x2195,
[ 0x13 ] = 0x203C,
[ 0x14 ] = 0x00B6,
[ 0x15 ] = 0x00A7,
[ 0x16 ] = 0x25AC,
[ 0x17 ] = 0x21A8,
[ 0x18 ] = 0x2191,
[ 0x19 ] = 0x2193,
[ 0x1a ] = 0x2192,
[ 0x1b ] = 0x2190,
[ 0x1c ] = 0x221F,
[ 0x1d ] = 0x2194,
[ 0x1e ] = 0x25B2,
[ 0x1f ] = 0x25BC,
[ 0x7f ] = 0x2302,
/* http://www.unicode.org/Public/MAPPINGS/VENDORS/MICSFT/PC/CP437.TXT */
[ 0x20 ] = 0x0020, // SPACE
[ 0x21 ] = 0x0021, // EXCLAMATION MARK
[ 0x22 ] = 0x0022, // QUOTATION MARK
[ 0x23 ] = 0x0023, // NUMBER SIGN
[ 0x24 ] = 0x0024, // DOLLAR SIGN
[ 0x25 ] = 0x0025, // PERCENT SIGN
[ 0x26 ] = 0x0026, // AMPERSAND
[ 0x27 ] = 0x0027, // APOSTROPHE
[ 0x28 ] = 0x0028, // LEFT PARENTHESIS
[ 0x29 ] = 0x0029, // RIGHT PARENTHESIS
[ 0x2a ] = 0x002a, // ASTERISK
[ 0x2b ] = 0x002b, // PLUS SIGN
[ 0x2c ] = 0x002c, // COMMA
[ 0x2d ] = 0x002d, // HYPHEN-MINUS
[ 0x2e ] = 0x002e, // FULL STOP
[ 0x2f ] = 0x002f, // SOLIDUS
[ 0x30 ] = 0x0030, // DIGIT ZERO
[ 0x31 ] = 0x0031, // DIGIT ONE
[ 0x32 ] = 0x0032, // DIGIT TWO
[ 0x33 ] = 0x0033, // DIGIT THREE
[ 0x34 ] = 0x0034, // DIGIT FOUR
[ 0x35 ] = 0x0035, // DIGIT FIVE
[ 0x36 ] = 0x0036, // DIGIT SIX
[ 0x37 ] = 0x0037, // DIGIT SEVEN
[ 0x38 ] = 0x0038, // DIGIT EIGHT
[ 0x39 ] = 0x0039, // DIGIT NINE
[ 0x3a ] = 0x003a, // COLON
[ 0x3b ] = 0x003b, // SEMICOLON
[ 0x3c ] = 0x003c, // LESS-THAN SIGN
[ 0x3d ] = 0x003d, // EQUALS SIGN
[ 0x3e ] = 0x003e, // GREATER-THAN SIGN
[ 0x3f ] = 0x003f, // QUESTION MARK
[ 0x40 ] = 0x0040, // COMMERCIAL AT
[ 0x41 ] = 0x0041, // LATIN CAPITAL LETTER A
[ 0x42 ] = 0x0042, // LATIN CAPITAL LETTER B
[ 0x43 ] = 0x0043, // LATIN CAPITAL LETTER C
[ 0x44 ] = 0x0044, // LATIN CAPITAL LETTER D
[ 0x45 ] = 0x0045, // LATIN CAPITAL LETTER E
[ 0x46 ] = 0x0046, // LATIN CAPITAL LETTER F
[ 0x47 ] = 0x0047, // LATIN CAPITAL LETTER G
[ 0x48 ] = 0x0048, // LATIN CAPITAL LETTER H
[ 0x49 ] = 0x0049, // LATIN CAPITAL LETTER I
[ 0x4a ] = 0x004a, // LATIN CAPITAL LETTER J
[ 0x4b ] = 0x004b, // LATIN CAPITAL LETTER K
[ 0x4c ] = 0x004c, // LATIN CAPITAL LETTER L
[ 0x4d ] = 0x004d, // LATIN CAPITAL LETTER M
[ 0x4e ] = 0x004e, // LATIN CAPITAL LETTER N
[ 0x4f ] = 0x004f, // LATIN CAPITAL LETTER O
[ 0x50 ] = 0x0050, // LATIN CAPITAL LETTER P
[ 0x51 ] = 0x0051, // LATIN CAPITAL LETTER Q
[ 0x52 ] = 0x0052, // LATIN CAPITAL LETTER R
[ 0x53 ] = 0x0053, // LATIN CAPITAL LETTER S
[ 0x54 ] = 0x0054, // LATIN CAPITAL LETTER T
[ 0x55 ] = 0x0055, // LATIN CAPITAL LETTER U
[ 0x56 ] = 0x0056, // LATIN CAPITAL LETTER V
[ 0x57 ] = 0x0057, // LATIN CAPITAL LETTER W
[ 0x58 ] = 0x0058, // LATIN CAPITAL LETTER X
[ 0x59 ] = 0x0059, // LATIN CAPITAL LETTER Y
[ 0x5a ] = 0x005a, // LATIN CAPITAL LETTER Z
[ 0x5b ] = 0x005b, // LEFT SQUARE BRACKET
[ 0x5c ] = 0x005c, // REVERSE SOLIDUS
[ 0x5d ] = 0x005d, // RIGHT SQUARE BRACKET
[ 0x5e ] = 0x005e, // CIRCUMFLEX ACCENT
[ 0x5f ] = 0x005f, // LOW LINE
[ 0x60 ] = 0x0060, // GRAVE ACCENT
[ 0x61 ] = 0x0061, // LATIN SMALL LETTER A
[ 0x62 ] = 0x0062, // LATIN SMALL LETTER B
[ 0x63 ] = 0x0063, // LATIN SMALL LETTER C
[ 0x64 ] = 0x0064, // LATIN SMALL LETTER D
[ 0x65 ] = 0x0065, // LATIN SMALL LETTER E
[ 0x66 ] = 0x0066, // LATIN SMALL LETTER F
[ 0x67 ] = 0x0067, // LATIN SMALL LETTER G
[ 0x68 ] = 0x0068, // LATIN SMALL LETTER H
[ 0x69 ] = 0x0069, // LATIN SMALL LETTER I
[ 0x6a ] = 0x006a, // LATIN SMALL LETTER J
[ 0x6b ] = 0x006b, // LATIN SMALL LETTER K
[ 0x6c ] = 0x006c, // LATIN SMALL LETTER L
[ 0x6d ] = 0x006d, // LATIN SMALL LETTER M
[ 0x6e ] = 0x006e, // LATIN SMALL LETTER N
[ 0x6f ] = 0x006f, // LATIN SMALL LETTER O
[ 0x70 ] = 0x0070, // LATIN SMALL LETTER P
[ 0x71 ] = 0x0071, // LATIN SMALL LETTER Q
[ 0x72 ] = 0x0072, // LATIN SMALL LETTER R
[ 0x73 ] = 0x0073, // LATIN SMALL LETTER S
[ 0x74 ] = 0x0074, // LATIN SMALL LETTER T
[ 0x75 ] = 0x0075, // LATIN SMALL LETTER U
[ 0x76 ] = 0x0076, // LATIN SMALL LETTER V
[ 0x77 ] = 0x0077, // LATIN SMALL LETTER W
[ 0x78 ] = 0x0078, // LATIN SMALL LETTER X
[ 0x79 ] = 0x0079, // LATIN SMALL LETTER Y
[ 0x7a ] = 0x007a, // LATIN SMALL LETTER Z
[ 0x7b ] = 0x007b, // LEFT CURLY BRACKET
[ 0x7c ] = 0x007c, // VERTICAL LINE
[ 0x7d ] = 0x007d, // RIGHT CURLY BRACKET
[ 0x7e ] = 0x007e, // TILDE
[ 0x80 ] = 0x00c7, // LATIN CAPITAL LETTER C WITH CEDILLA
[ 0x81 ] = 0x00fc, // LATIN SMALL LETTER U WITH DIAERESIS
[ 0x82 ] = 0x00e9, // LATIN SMALL LETTER E WITH ACUTE
[ 0x83 ] = 0x00e2, // LATIN SMALL LETTER A WITH CIRCUMFLEX
[ 0x84 ] = 0x00e4, // LATIN SMALL LETTER A WITH DIAERESIS
[ 0x85 ] = 0x00e0, // LATIN SMALL LETTER A WITH GRAVE
[ 0x86 ] = 0x00e5, // LATIN SMALL LETTER A WITH RING ABOVE
[ 0x87 ] = 0x00e7, // LATIN SMALL LETTER C WITH CEDILLA
[ 0x88 ] = 0x00ea, // LATIN SMALL LETTER E WITH CIRCUMFLEX
[ 0x89 ] = 0x00eb, // LATIN SMALL LETTER E WITH DIAERESIS
[ 0x8a ] = 0x00e8, // LATIN SMALL LETTER E WITH GRAVE
[ 0x8b ] = 0x00ef, // LATIN SMALL LETTER I WITH DIAERESIS
[ 0x8c ] = 0x00ee, // LATIN SMALL LETTER I WITH CIRCUMFLEX
[ 0x8d ] = 0x00ec, // LATIN SMALL LETTER I WITH GRAVE
[ 0x8e ] = 0x00c4, // LATIN CAPITAL LETTER A WITH DIAERESIS
[ 0x8f ] = 0x00c5, // LATIN CAPITAL LETTER A WITH RING ABOVE
[ 0x90 ] = 0x00c9, // LATIN CAPITAL LETTER E WITH ACUTE
[ 0x91 ] = 0x00e6, // LATIN SMALL LIGATURE AE
[ 0x92 ] = 0x00c6, // LATIN CAPITAL LIGATURE AE
[ 0x93 ] = 0x00f4, // LATIN SMALL LETTER O WITH CIRCUMFLEX
[ 0x94 ] = 0x00f6, // LATIN SMALL LETTER O WITH DIAERESIS
[ 0x95 ] = 0x00f2, // LATIN SMALL LETTER O WITH GRAVE
[ 0x96 ] = 0x00fb, // LATIN SMALL LETTER U WITH CIRCUMFLEX
[ 0x97 ] = 0x00f9, // LATIN SMALL LETTER U WITH GRAVE
[ 0x98 ] = 0x00ff, // LATIN SMALL LETTER Y WITH DIAERESIS
[ 0x99 ] = 0x00d6, // LATIN CAPITAL LETTER O WITH DIAERESIS
[ 0x9a ] = 0x00dc, // LATIN CAPITAL LETTER U WITH DIAERESIS
[ 0x9b ] = 0x00a2, // CENT SIGN
[ 0x9c ] = 0x00a3, // POUND SIGN
[ 0x9d ] = 0x00a5, // YEN SIGN
[ 0x9e ] = 0x20a7, // PESETA SIGN
[ 0x9f ] = 0x0192, // LATIN SMALL LETTER F WITH HOOK
[ 0xa0 ] = 0x00e1, // LATIN SMALL LETTER A WITH ACUTE
[ 0xa1 ] = 0x00ed, // LATIN SMALL LETTER I WITH ACUTE
[ 0xa2 ] = 0x00f3, // LATIN SMALL LETTER O WITH ACUTE
[ 0xa3 ] = 0x00fa, // LATIN SMALL LETTER U WITH ACUTE
[ 0xa4 ] = 0x00f1, // LATIN SMALL LETTER N WITH TILDE
[ 0xa5 ] = 0x00d1, // LATIN CAPITAL LETTER N WITH TILDE
[ 0xa6 ] = 0x00aa, // FEMININE ORDINAL INDICATOR
[ 0xa7 ] = 0x00ba, // MASCULINE ORDINAL INDICATOR
[ 0xa8 ] = 0x00bf, // INVERTED QUESTION MARK
[ 0xa9 ] = 0x2310, // REVERSED NOT SIGN
[ 0xaa ] = 0x00ac, // NOT SIGN
[ 0xab ] = 0x00bd, // VULGAR FRACTION ONE HALF
[ 0xac ] = 0x00bc, // VULGAR FRACTION ONE QUARTER
[ 0xad ] = 0x00a1, // INVERTED EXCLAMATION MARK
[ 0xae ] = 0x00ab, // LEFT-POINTING DOUBLE ANGLE QUOTATION MARK
[ 0xaf ] = 0x00bb, // RIGHT-POINTING DOUBLE ANGLE QUOTATION MARK
[ 0xb0 ] = 0x2591, // LIGHT SHADE
[ 0xb1 ] = 0x2592, // MEDIUM SHADE
[ 0xb2 ] = 0x2593, // DARK SHADE
[ 0xb3 ] = 0x2502, // BOX DRAWINGS LIGHT VERTICAL
[ 0xb4 ] = 0x2524, // BOX DRAWINGS LIGHT VERTICAL AND LEFT
[ 0xb5 ] = 0x2561, // BOX DRAWINGS VERTICAL SINGLE AND LEFT DOUBLE
[ 0xb6 ] = 0x2562, // BOX DRAWINGS VERTICAL DOUBLE AND LEFT SINGLE
[ 0xb7 ] = 0x2556, // BOX DRAWINGS DOWN DOUBLE AND LEFT SINGLE
[ 0xb8 ] = 0x2555, // BOX DRAWINGS DOWN SINGLE AND LEFT DOUBLE
[ 0xb9 ] = 0x2563, // BOX DRAWINGS DOUBLE VERTICAL AND LEFT
[ 0xba ] = 0x2551, // BOX DRAWINGS DOUBLE VERTICAL
[ 0xbb ] = 0x2557, // BOX DRAWINGS DOUBLE DOWN AND LEFT
[ 0xbc ] = 0x255d, // BOX DRAWINGS DOUBLE UP AND LEFT
[ 0xbd ] = 0x255c, // BOX DRAWINGS UP DOUBLE AND LEFT SINGLE
[ 0xbe ] = 0x255b, // BOX DRAWINGS UP SINGLE AND LEFT DOUBLE
[ 0xbf ] = 0x2510, // BOX DRAWINGS LIGHT DOWN AND LEFT
[ 0xc0 ] = 0x2514, // BOX DRAWINGS LIGHT UP AND RIGHT
[ 0xc1 ] = 0x2534, // BOX DRAWINGS LIGHT UP AND HORIZONTAL
[ 0xc2 ] = 0x252c, // BOX DRAWINGS LIGHT DOWN AND HORIZONTAL
[ 0xc3 ] = 0x251c, // BOX DRAWINGS LIGHT VERTICAL AND RIGHT
[ 0xc4 ] = 0x2500, // BOX DRAWINGS LIGHT HORIZONTAL
[ 0xc5 ] = 0x253c, // BOX DRAWINGS LIGHT VERTICAL AND HORIZONTAL
[ 0xc6 ] = 0x255e, // BOX DRAWINGS VERTICAL SINGLE AND RIGHT DOUBLE
[ 0xc7 ] = 0x255f, // BOX DRAWINGS VERTICAL DOUBLE AND RIGHT SINGLE
[ 0xc8 ] = 0x255a, // BOX DRAWINGS DOUBLE UP AND RIGHT
[ 0xc9 ] = 0x2554, // BOX DRAWINGS DOUBLE DOWN AND RIGHT
[ 0xca ] = 0x2569, // BOX DRAWINGS DOUBLE UP AND HORIZONTAL
[ 0xcb ] = 0x2566, // BOX DRAWINGS DOUBLE DOWN AND HORIZONTAL
[ 0xcc ] = 0x2560, // BOX DRAWINGS DOUBLE VERTICAL AND RIGHT
[ 0xcd ] = 0x2550, // BOX DRAWINGS DOUBLE HORIZONTAL
[ 0xce ] = 0x256c, // BOX DRAWINGS DOUBLE VERTICAL AND HORIZONTAL
[ 0xcf ] = 0x2567, // BOX DRAWINGS UP SINGLE AND HORIZONTAL DOUBLE
[ 0xd0 ] = 0x2568, // BOX DRAWINGS UP DOUBLE AND HORIZONTAL SINGLE
[ 0xd1 ] = 0x2564, // BOX DRAWINGS DOWN SINGLE AND HORIZONTAL DOUBLE
[ 0xd2 ] = 0x2565, // BOX DRAWINGS DOWN DOUBLE AND HORIZONTAL SINGLE
[ 0xd3 ] = 0x2559, // BOX DRAWINGS UP DOUBLE AND RIGHT SINGLE
[ 0xd4 ] = 0x2558, // BOX DRAWINGS UP SINGLE AND RIGHT DOUBLE
[ 0xd5 ] = 0x2552, // BOX DRAWINGS DOWN SINGLE AND RIGHT DOUBLE
[ 0xd6 ] = 0x2553, // BOX DRAWINGS DOWN DOUBLE AND RIGHT SINGLE
[ 0xd7 ] = 0x256b, // BOX DRAWINGS VERTICAL DOUBLE AND HORIZONTAL SINGLE
[ 0xd8 ] = 0x256a, // BOX DRAWINGS VERTICAL SINGLE AND HORIZONTAL DOUBLE
[ 0xd9 ] = 0x2518, // BOX DRAWINGS LIGHT UP AND LEFT
[ 0xda ] = 0x250c, // BOX DRAWINGS LIGHT DOWN AND RIGHT
[ 0xdb ] = 0x2588, // FULL BLOCK
[ 0xdc ] = 0x2584, // LOWER HALF BLOCK
[ 0xdd ] = 0x258c, // LEFT HALF BLOCK
[ 0xde ] = 0x2590, // RIGHT HALF BLOCK
[ 0xdf ] = 0x2580, // UPPER HALF BLOCK
[ 0xe0 ] = 0x03b1, // GREEK SMALL LETTER ALPHA
[ 0xe1 ] = 0x00df, // LATIN SMALL LETTER SHARP S
[ 0xe2 ] = 0x0393, // GREEK CAPITAL LETTER GAMMA
[ 0xe3 ] = 0x03c0, // GREEK SMALL LETTER PI
[ 0xe4 ] = 0x03a3, // GREEK CAPITAL LETTER SIGMA
[ 0xe5 ] = 0x03c3, // GREEK SMALL LETTER SIGMA
[ 0xe6 ] = 0x00b5, // MICRO SIGN
[ 0xe7 ] = 0x03c4, // GREEK SMALL LETTER TAU
[ 0xe8 ] = 0x03a6, // GREEK CAPITAL LETTER PHI
[ 0xe9 ] = 0x0398, // GREEK CAPITAL LETTER THETA
[ 0xea ] = 0x03a9, // GREEK CAPITAL LETTER OMEGA
[ 0xeb ] = 0x03b4, // GREEK SMALL LETTER DELTA
[ 0xec ] = 0x221e, // INFINITY
[ 0xed ] = 0x03c6, // GREEK SMALL LETTER PHI
[ 0xee ] = 0x03b5, // GREEK SMALL LETTER EPSILON
[ 0xef ] = 0x2229, // INTERSECTION
[ 0xf0 ] = 0x2261, // IDENTICAL TO
[ 0xf1 ] = 0x00b1, // PLUS-MINUS SIGN
[ 0xf2 ] = 0x2265, // GREATER-THAN OR EQUAL TO
[ 0xf3 ] = 0x2264, // LESS-THAN OR EQUAL TO
[ 0xf4 ] = 0x2320, // TOP HALF INTEGRAL
[ 0xf5 ] = 0x2321, // BOTTOM HALF INTEGRAL
[ 0xf6 ] = 0x00f7, // DIVISION SIGN
[ 0xf7 ] = 0x2248, // ALMOST EQUAL TO
[ 0xf8 ] = 0x00b0, // DEGREE SIGN
[ 0xf9 ] = 0x2219, // BULLET OPERATOR
[ 0xfa ] = 0x00b7, // MIDDLE DOT
[ 0xfb ] = 0x221a, // SQUARE ROOT
[ 0xfc ] = 0x207f, // SUPERSCRIPT LATIN SMALL LETTER N
[ 0xfd ] = 0x00b2, // SUPERSCRIPT TWO
[ 0xfe ] = 0x25a0, // BLACK SQUARE
[ 0xff ] = 0x00a0, // NO-BREAK SPACE
};
u16 cp437_to_unicode(u8 cp437)
{
return GET_GLOBAL(cp437_to_unicode_map[cp437]);
}