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#include <string.h>
#include <ctype.h>
#include "misc.h"
#include "vt.h"
#include "lang.h"
int latin1 = -1;
static u8 lang_char[256];
static u8 lang_chars[1+8+8][16] =
{
{ 0, 0x23,0x24,0x40,0x5b,0x5c,0x5d,0x5e,0x5f,0x60,0x7b,0x7c,0x7d,0x7e },
// for latin-1 font
// English (100%)
{ 0, '�', '$', '@', '�', '�', '�', '�', '#', '�', '�', '�', '�', '�' },
// German (100%)
{ 0, '#', '$', '�', '�', '�', '�', '^', '_', '�', '�', '�', '�', '�' },
// Swedish/Finnish/Hungarian (100%)
{ 0, '#', '�', '�', '�', '�', '�', '�', '_', '�', '�', '�', '�', '�' },
// Italian (100%)
{ 0, '�', '$', '�', '�', '�', '�', '�', '#', '�', '�', '�', '�', '�' },
// French (100%)
{ 0, '�', '�', '�', '�', '�', '�', '�', '#', '�', '�', '�', '�', '�' },
// Portuguese/Spanish (100%)
{ 0, '�', '$', '�', '�', '�', '�', '�', '�', '�', '�', '�', '�', '�' },
// Czech/Slovak (60%)
{ 0, '#', 'u', 'c', 't', 'z', '�', '�', 'r', '�', '�', 'e', '�', 's' },
// reserved (English mapping)
{ 0, '�', '$', '@', '�', '�', '�', '�', '#', '�', '�', '�', '�', '�' },
// for latin-2 font
// Polish (100%)
{ 0, '#', '�', '�', '�', '�', '�', '�', '�', '�', '�', '�', '�', '�' },
// German (100%)
{ 0, '#', '$', '�', '�', '�', '�', '^', '_', '�', '�', '�', '�', '�' },
// Estonian (100%)
{ 0, '#', '�', '�', '�', '�', '�', '�', '�', '�', '�', '�', '�', '�' },
// Lettish/Lithuanian (90%)
{ 0, '#', '$', '�', '�', '�', '�', '�', '�', '�', '�', 'u', '�', 'i' },
// French (90%)
{ 0, '�', 'i', 'a', '�', '�', 'u', '�', '#', 'e', '�', '�', 'u', '�' },
// Serbian/Croation/Slovenian (100%)
{ 0, '#', '�', '�', '�', '�', '�', '�', '�', '�', '�', '�', '�', '�' },
// Czech/Slovak (100%)
{ 0, '#', '�', '�', '�', '�', '�', '�', '�', '�', '�', '�', '�', '�' },
// Rumanian (95%)
{ 0, '#', '�', '�', '�', '�', '�', '�', 'i', '�', '�', '�', '�', '�' },
};
/* Yankable latin charset :-)
!"#$%&'()*+,-./0123456789:;<=>?
@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_
`abcdefghijklmnopqrstuvwxyz{|}~
�������������������������������
��������������������������������
��������������������������������
*/
static struct mark { u8 *g0, *latin1, *latin2; } marks[16] =
{
/* none */ { "#",
"�",
"$" },
/* grave - ` */ { " aeiouAEIOU",
"`����������",
"`aeiouAEIOU" },
/* acute - ' */ { " aceilnorsuyzACEILNORSUYZ",
"'�c��ln�rs��z�C��LN�RS��Z",
"'���������������������ݬ" },
/* cirumflex - ^ */ { " aeiouAEIOU",
"^����������",
"^�e��u�E��U" },
/* tilde - ~ */ { " anoANO",
"~������",
"~anoANO" },
/* ??? - � */ { "",
"",
"" },
/* breve - u */ { "aA",
"aA",
"��" },
/* abovedot - � */ { "zZ",
"zZ",
"��" },
/* diaeresis � */ { "aeiouAEIOU",
"����������",
"��i����I��" },
/* ??? - . */ { "",
"",
"" },
/* ringabove - � */ { " auAU",
"��u�U",
"�a�A�" },
/* cedilla - � */ { "cstCST",
"�st�ST",
"��Ǫ�" },
/* ??? - _ */ { " ",
"_",
"_" },
/* dbl acute - " */ { " ouOU",
"\"ouOU",
"\"����" },
/* ogonek - \, */ { "aeAE",
"aeAE",
"���" },
/* caron - v */ { "cdelnrstzCDELNRSTZ",
"cdelnrstzCDELNRSTZ",
"����������̥�ة��" },
};
static u8 g2map_latin1[] =
/*0123456789abcdef*/
" ���$�#��'\"� "
"�������'\"�����"
" `�^~ �.��_\" "
"_��� "
" �ЪH ILL� ��TNn"
"K�d�hiill� ��tn\x7f";
static u8 g2map_latin2[] =
/*0123456789abcdef*/
" icL$Y#��'\"< "
"� �u �'\"> "
" `�^~ ���.��_���"
"- RC "
" �aH iL�O opTNn"
"K �dhiil�o �ptn\x7f";
void lang_init(void)
{
int i;
memset(lang_char, 0, sizeof(lang_char));
for (i = 1; i <= 13; i++)
lang_char[lang_chars[0][i]] = i;
}
void conv2latin(u8 *p, int n, int lang)
{
int c, gfx = 0, lat=0;
if ((latin1 == KOI8) && lang==12) { /* russian */
while (n--) {
c=*p;
if(c==0x1b) lat = !lat; /* ESC switches languages inside page */
if ( is_koi(c)) {
if (not gfx || (c & 0xa0) != 0x20) {
if(!lat) conv2koi8(p);
}
}
else if ((c & 0xe8) == 0)
gfx = c & 0x10;
p++;
}
}
else if ((latin1 == GREEK) && lang==15) { /* Hellas */
while (n--) {
c=*p;
if(c==0x1b) lat = !lat; /* ESC switches languages inside page */
if ( is_greek(c)) {
if (not gfx || (c & 0xa0) != 0x20) {
if(!lat) conv2greek(p);
}
}
else if ((c & 0xe8) == 0)
gfx = c & 0x10;
p++;
}
}
else {
while (n--)
{
if (lang_char[c = *p])
{
if (not gfx || (c & 0xa0) != 0x20)
*p = lang_chars[lang + 1][lang_char[c]];
}
else if ((c & 0xe8) == 0)
gfx = c & 0x10;
p++;
}
}
}
/* check for Greek chars - needs locale iso8859-7 set */
int is_greek(int c)
{
if( isalpha(c | 0x80)) return 1;
return 0;
}
/* check for russian chars - needs locale KOI8-R set */
int is_koi(int c)
{
if( isalpha(c | 0x80)) return 1;
if( c=='&' ) return 1;
return 0;
}
/* teletext to koi8-r conversion */
void conv2koi8(u8 *p)
{
u8 c;
static u8 l2koi[]={
0xE0, 0xE1, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6, 0xE7, 0xE8, 0xE9,
0xEA, 0xEB, 0xEC, 0xED, 0xEE, 0xEF, 0xF0, 0xF1, 0xF2, 0xF3,
0xF4, 0xF5, 0xF6, 0xF7, 0xF8, 0xFF, 0xFA, 0xFB, 0xFC, 0xFD,
0xFE, 0xF9, 0xC0, 0xC1, 0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7,
0xC8, 0xC9, 0xCA, 0xCB, 0xCC, 0xCD, 0xCE, 0xCF, 0xD0, 0xD1,
0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD7, 0xD8, 0xD9, 0xDA, 0xDB,
0xDC, 0xDD, 0xDE, 0xDF
};
c= *p;
if ( (c >= 0x40) && (c <= 0x7f)) *p=l2koi[(c & 0x7f) - 0x40];
if (c=='&') *p='�';
}
/* teletext to iso8859-7 conversion */
void conv2greek(u8 *p)
{
u8 c;
static u8 l2greek[]={
/* 1 @ 0x40->�*/0xc0,
/* 2 A 0x41->�*/0xc1,
/* 3 B 0x42->�*/0xc2,
/* 4 C 0x43->�*/0xc3,
/* 5 D 0x44->�*/0xc4,
/* 6 E 0x45->�*/0xc5,
/* 7 F 0x46->�*/0xc6,
/* 8 G 0x47->�*/0xc7,
/* 9 H 0x48->�*/0xc8,
/*10 I 0x49->�*/0xc9,
/*11 J 0x4a->�*/0xca,
/*12 K 0x4b->�*/0xcb,
/*13 L 0x4c->�*/0xcc,
/*14 M 0x4d->�*/0xcd,
/*15 N 0x4e->�*/0xce,
/*16 O 0x4f->�*/0xcf,
/*17 P 0x50->�*/0xd0,
/*18 Q 0x51->�*/0xd1,
/*19 R 0x52->?*/0x52,
/*20 S 0x53->�*/0xd3,
/*21 T 0x54->�*/0xd4,
/*22 U 0x55->�*/0xd5,
/*23 V 0x56->�*/0xd6,
/*24 W 0x57->�*/0xd7,
/*25 X 0x58->�*/0xd8,
/*26 Y 0x59->�*/0xd9,
/*27 Z 0x5a->?*/0x5a,
/*28 [ 0x5b->?*/0x5b,
/*!29 \ 0x5c->�*/0xdc,
/*!30 ] 0x5d->�*/0xdd,
/*!31 ^ 0x5e->�*/0xde,
/*!32 _ 0x5f->�*/0xdf,
/*33 ` 0x60->?*/0x60,
/*!34 a 0x61->�*/0xe1,
/*!35 b 0x62->�*/0xe2,
/*!36 c 0x63->�*/0xe3,
/*!37 d 0x64->�*/0xe4,
/*!38 e 0x65->�*/0xe5,
/*!39 f 0x66->�*/0xe6,
/*!40 g 0x67->�*/0xe7,
/*!41 h 0x68->�*/0xe8,
/*!42 i 0x69->�*/0xe9,
/*!43 j 0x6a->�*/0xea,
/*!44 k 0x6b->�*/0xeb,
/*!45 l 0x6c->�*/0xec,
/*!46 m 0x6d->�*/0xed,
/*!47 n 0x6e->�*/0xee,
/*!48 o 0x6f->�*/0xef,
/*!49 p 0x70->�*/0xf0,
/*!50 q 0x71->�*/0xf1,
/*!51 r 0x72->�*/0xf2,
/*!52 s 0x73->�*/0xf3,
/*!53 t 0x74->�*/0xf4,
/*!54 u 0x75->�*/0xf5,
/*!55 v 0x76->�*/0xf6,
/*!56 w 0x77->�*/0xf7,
/*!57 x 0x78->�*/0xf8,
/*!58 y 0x79->�*/0xf9,
/*59 z 0x7a->�(�� ����)*/0xc0,
/*60 { 0x7b->?*/0x7b,
/*!61 | 0x7c->�*/0xfc,
/*!62 } 0x7d->�*/0xfd,
/*!63 ~ 0x7e->�*/0xfe,
/*64 0x7f->?*/0x7f
};
c= *p;
if ( (c >= 0x40) && (c <= 0x7f)) *p=l2greek[(c & 0x7f) - 0x40];
}
void init_enhance(struct enhance *eh)
{
eh->next_des = 0;
}
void add_enhance(struct enhance *eh, int dcode, u32 *t)
{
if (dcode == eh->next_des)
{
memcpy(eh->trip + dcode * 13, t, 13 * sizeof(*t));
eh->next_des++;
}
else
eh->next_des = -1;
}
void enhance(struct enhance *eh, struct vt_page *vtp)
{
int row = 0;
u32 *p, *e;
if (eh->next_des < 1)
return;
for (p = eh->trip, e = p + eh->next_des * 13; p < e; p++)
if (*p % 2048 != 2047)
{
int adr = *p % 64;
int mode = *p / 64 % 32;
int data = *p / 2048 % 128;
if (adr < 40)
{
// col functions
switch (mode)
{
case 15: // char from G2 set
if (adr < W && row < H)
if (latin1==LATIN1)
vtp->data[row][adr] = g2map_latin1[data-32];
else if (latin1==LATIN2)
vtp->data[row][adr] = g2map_latin2[data-32];
break;
case 16 ... 31: // char from G0 set with diacritical mark
if (adr < W && row < H)
{
struct mark *mark = marks + (mode - 16);
u8 *x;
if (x = strchr(mark->g0, data))
if (latin1==LATIN1)
data = mark->latin1[x - mark->g0];
else if (latin1==LATIN2)
data = mark->latin2[x - mark->g0];
vtp->data[row][adr] = data;
}
break;
}
}
else
{
// row functions
if ((adr -= 40) == 0)
adr = 24;
switch (mode)
{
case 1: // full row color
row = adr;
break;
case 4: // set active position
row = adr;
break;
case 7: // address row 0 (+ full row color)
if (adr == 23)
row = 0;
break;
}
}
}
}
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