1151 lines
31 KiB
C
Executable File
1151 lines
31 KiB
C
Executable File
/*******************************************************************************/
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/* COS2000 - Compatible Operating System - LGPL v3 - Hordé Nicolas */
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/* */
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#include "asm.h"
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#include "video.h"
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#include "stdarg.h"
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#include "VGA/8x8fnt.c"
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#include "VGA/8x16fnt.c"
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static drivers registred[MAXDRIVERS];
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static videoinfos *vinfo;
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static width,height;
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static console vc[8] = {
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{0x07, 0, 0, 0, 0, 0, 0, 0, true} ,
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{0x07, 0, 0, 0, 0, 0, 0, 0, true} ,
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{0x07, 0, 0, 0, 0, 0, 0, 0, true} ,
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{0x07, 0, 0, 0, 0, 0, 0, 0, true} ,
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{0x07, 0, 0, 0, 0, 0, 0, 0, true} ,
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{0x07, 0, 0, 0, 0, 0, 0, 0, true} ,
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{0x07, 0, 0, 0, 0, 0, 0, 0, true} ,
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{0x07, 0, 0, 0, 0, 0, 0, 0, true}
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};
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static u8 usedvc = 0;
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/*******************************************************************************/
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/* Fixe l'attribut courant */
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void setattrib(u8 att)
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{
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static const u8 ansitovga[] = {
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0, 4, 2, 6, 1, 5, 3, 7
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};
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u8 tempattr;
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tempattr = vc[usedvc].attrib;
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if (att == 0)
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tempattr = 0x07; /* Couleur Grise sur fond noir */
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else if (att == 5)
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tempattr |= 0x80;
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else if (att == 7)
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tempattr = ((tempattr & 0x0F) << 4) + ((tempattr & 0xF0) >> 4);
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else if (att == 8)
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tempattr = 0;
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else if (att == 1)
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tempattr |= 0x08; /* Forte intensité */
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else if (att >= 30 && att <= 37) {
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att = ansitovga[att - 30];
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tempattr = (tempattr & ~0x07) | att; /* couleur de premier plan */
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} else if (att >= 40 && att <= 47) {
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att = ansitovga[att - 40] << 4;
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tempattr = (tempattr & ~0x70) | att; /* couleur de fond */
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}
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vc[usedvc].attrib = tempattr;
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}
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/*******************************************************************************/
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/* gere l'ansi */
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bool makeansi(u8 c)
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{
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/* state machine to handle the escape sequences */
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switch (vc[usedvc].ansi) {
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case 0:
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/* ESC -- next state */
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if (c == 0x1B) {
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vc[usedvc].ansi++;
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return 1; /* "I handled it" */
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}
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break;
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/* ESC */
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case 1:
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if (c == '[') {
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vc[usedvc].ansi++;
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vc[usedvc].param1 = 0;
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return 1;
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}
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break;
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/* ESC[ */
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case 2:
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if (isdigit(c)) {
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vc[usedvc].param1 = vc[usedvc].param1 * 10 + c - '0';
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return 1;
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} else if (c == ';') {
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vc[usedvc].ansi++;
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vc[usedvc].param2 = 0;
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return 1;
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}
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/* ESC[2J -- efface l'ecran */
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else if (c == 'J') {
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if (vc[usedvc].param1 == 2) {
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fill(vc[usedvc].attrib);
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vc[usedvc].cursX = 0;
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vc[usedvc].cursY = 0;
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cursor_set(0, 0);
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vc[usedvc].ansi = 0;
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return 1;
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}
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}
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/* ESC[num1m -- met l'attribut num1 */
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else if (c == 'm') {
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setattrib(vc[usedvc].param1);
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vc[usedvc].ansi = 0;
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return 1;
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}
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/* ESC[num1A -- bouge le curseur de num1 vers le haut */
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else if (c == 'A') {
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vc[usedvc].cursY -= vc[usedvc].param1;
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if (vc[usedvc].cursY < 0)
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vc[usedvc].cursY = 0;
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vc[usedvc].ansi = 0;
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cursor_set(vc[usedvc].cursX, vc[usedvc].cursY);
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return 1;
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}
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/* ESC[num1B -- bouge le curseur de num1 vers le bas */
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else if (c == 'B') {
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vc[usedvc].cursY += vc[usedvc].param1;
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if (vc[usedvc].cursY >= getheight() - 1)
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vc[usedvc].cursY = getheight() ;
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vc[usedvc].ansi = 0;
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cursor_set(vc[usedvc].cursX, vc[usedvc].cursY);
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return 1;
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}
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/* ESC[num1D -- bouge le curseur de num1 vers la gauche */
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else if (c == 'D') {
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vc[usedvc].cursX -= vc[usedvc].param1;
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if (vc[usedvc].cursX < 0)
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vc[usedvc].cursX = 0;
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vc[usedvc].ansi = 0;
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cursor_set(vc[usedvc].cursX, vc[usedvc].cursY);
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return 1;
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}
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/* ESC[num1C -- bouge le curseur de num1 vers la droite */
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else if (c == 'C') {
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vc[usedvc].cursX += vc[usedvc].param1;
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if (vc[usedvc].cursX >= getwidth() - 1)
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vc[usedvc].cursX = getwidth();
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vc[usedvc].ansi = 0;
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cursor_set(vc[usedvc].cursX, vc[usedvc].cursY);
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return 1;
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}
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break;
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/* ESC[num1; */
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case 3:
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if (isdigit(c)) {
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vc[usedvc].param2 = vc[usedvc].param2 * 10 + c - '0';
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return 1;
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} else if (c == ';') {
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vc[usedvc].ansi++;
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vc[usedvc].param3 = 0;
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return 1;
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}
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/* ESC[num1;num2H ou ESC[num1;num2f-- bouge le curseur en num1,num2 */
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else if ((c == 'H') || (c == 'f')) {
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/* Remet la position du curseur matériel a num1,num2 */
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cursor_set(vc[usedvc].param2, vc[usedvc].param1);
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/* Remet la position du curseur logiciel a num1,num2 */
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vc[usedvc].cursX = vc[usedvc].param2;
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vc[usedvc].cursY = vc[usedvc].param1;
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vc[usedvc].ansi = 0;
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return 1;
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}
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/* ESC[num1;num2m -- met les attributs num1,num2 */
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else if (c == 'm') {
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setattrib(vc[usedvc].param1);
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setattrib(vc[usedvc].param2);
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vc[usedvc].ansi = 0;
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return 1;
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}
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break;
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/* ESC[num1;num2;num3 */
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case 4:
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if (isdigit(c)) {
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vc[usedvc].param3 = vc[usedvc].param3 * 10 + c - '0';
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return 1;
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}
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/* ESC[num1;num2;num3m -- met les attributs num1,num2,num3 */
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else if (c == 'm') {
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setattrib(vc[usedvc].param1);
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setattrib(vc[usedvc].param2);
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setattrib(vc[usedvc].param3);
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vc[usedvc].ansi = 0;
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return 1;
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}
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break;
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/* Mauvais etat >> reset */
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default:
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vc[usedvc].ansi = 0;
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break;
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}
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vc[usedvc].ansi = 0;
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return 0; /* Ansi fini ;) */
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}
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/*******************************************************************************/
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/* Change de mode video */
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void changemode(u8 mode)
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{
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setvideo_mode(mode);
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vinfo=getvideo_info();
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if (!vinfo->isgraphic) {
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font_load(font8x8, 8, 1);
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font_load(font8x16, 16, 0);
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width=vinfo->currentwidth;
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height=vinfo->currentheight;
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}
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else
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{
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width=(vinfo->currentwidth>>3);
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height=(vinfo->currentheight>>3);
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}
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clearscreen();
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}
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/*******************************************************************************/
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/* Renvoie la taille horizontale */
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u16 getwidth(void)
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{
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return width;
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}
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/*******************************************************************************/
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/* Renvoie la taille verticale */
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u16 getheight(void)
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{
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return height;
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}
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/*******************************************************************************/
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/* Efface la console en cours d'utilisation */
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void clearscreen(void)
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{
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fill(vc[usedvc].attrib);
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vc[usedvc].cursX=0;
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vc[usedvc].cursY=0;
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cursor_set(0,0);
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}
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/*******************************************************************************/
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/* Change la console en cours d'utilisation */
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void changevc(u8 avc)
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{
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usedvc = avc;
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page_show(usedvc);
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page_set(usedvc);
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cursor_set(vc[usedvc].cursX, vc[usedvc].cursY);
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}
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/*******************************************************************************/
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/* affiche un caractère a l'écran */
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void putchar(u8 thechar)
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{
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page_show(usedvc);
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page_set(usedvc);
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if (makeansi(thechar))
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return;
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switch (thechar) {
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case 0x11:
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if (vc[usedvc].cursY > 0)
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vc[usedvc].cursY--;
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break;
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case 0x12:
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if (vc[usedvc].cursY < getheight() - 1)
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vc[usedvc].cursY++;
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break;
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case 0x13:
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if (vc[usedvc].cursX > 0)
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vc[usedvc].cursX--;
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break;
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case 0x14:
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if (vc[usedvc].cursX < getwidth() - 1)
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vc[usedvc].cursX++;
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break;
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case 0x2:
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vc[usedvc].cursX = 0;
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vc[usedvc].cursY = 0;
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break;
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case 0x3:
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vc[usedvc].cursX = 0;
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vc[usedvc].cursY = getheight() - 1;
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break;
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case 0x19:
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vc[usedvc].cursX = getwidth() - 1;
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break;
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case '\b':
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if (vc[usedvc].cursX == 0) {
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if (vc[usedvc].cursY > 0) {
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vc[usedvc].cursX = getwidth() - 1;
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vc[usedvc].cursY--;
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}
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} else {
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vc[usedvc].cursX--;
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}
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showchar(vc[usedvc].cursX, vc[usedvc].cursY, ' ',
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vc[usedvc].attrib);
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break;
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case '\t':
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vc[usedvc].cursX = (vc[usedvc].cursX + 8) & ~(8 - 1);
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break;
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case '\n':
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vc[usedvc].cursX = 0;
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break;
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case '\r':
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vc[usedvc].cursX = 0;
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vc[usedvc].cursY++;
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break;
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default:
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if (thechar >= ' ') {
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showchar(vc[usedvc].cursX, vc[usedvc].cursY, thechar, vc[usedvc].attrib);
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vc[usedvc].cursX++;
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}
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break;
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}
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if (vc[usedvc].cursX >= getwidth()) {
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vc[usedvc].cursX = 0;
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vc[usedvc].cursY++;
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}
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if (vc[usedvc].cursY >= getheight() ) {
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scroll(1, vc[usedvc].attrib);
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vc[usedvc].cursY = getheight() - 1;
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}
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cursor_set(vc[usedvc].cursX, vc[usedvc].cursY);
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}
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/*******************************************************************************/
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/* affiche une chaine de caractère a l'écran */
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u32 print(u8 * string)
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{
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u8 *source;
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u32 i = 0;
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source = string;
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while (*source != 0) {
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putchar(*source++);
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i++;
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}
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return i;
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}
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/*******************************************************************************/
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/* Fonction d'affichage (pour printf) */
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u32 printstr(u8* src, u8** dest, u32 len) {
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if (*(src)=='\000') return;
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for(u32 i=0;i<len;i++)
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putchar(*(src++));
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return len;
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}
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/*******************************************************************************/
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/* Fonction d'enregistrement dans une variable (pour sprintf) */
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u32 storestr(u8* src, u8** dest, u32 len) {
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memcpy(src, *dest, len, 1);
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*dest=*dest+len;
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return len;
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}
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#define maxbuffersize 4096
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/*******************************************************************************/
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/* affiche une chaine de caractère formaté a l'ecran */
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u32 printf(const u8 * string, ...)
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{
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va_list args;
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va_start(args, string);
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vprintf(string, args);
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va_end(args);
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}
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/*******************************************************************************/
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/* met une chaine de caractère formaté dans une variable */
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u32 sprintf(u8 *variable, const u8 *string, ...)
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{
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va_list args;
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va_start(args, string);
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vsprintf(variable, string, args);
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va_end(args);
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}
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/*******************************************************************************/
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/* met une chaine de caractère formaté dans une variable de taille fixée */
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u32 snprintf(u8 *variable, u32 maxsize, const u8 *string, ...)
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{
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va_list args;
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va_start(args, string);
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vsnprintf(variable, maxsize, string, args);
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va_end(args);
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}
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/*******************************************************************************/
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/* affiche une chaine de caractère formaté a l'ecran depuis vararg */
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u32 vprintf(const u8 * string, va_list args)
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{
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format(string, args, maxbuffersize, &printstr, NULL);
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}
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/*******************************************************************************/
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/* met une chaine de caractère formaté dans une variable depuis vararg */
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u32 vsprintf(u8 *variable, const u8 *string, va_list args)
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{
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format(string, args, maxbuffersize, &storestr, variable);
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}
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/*******************************************************************************/
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/* met une chaine de caractère formaté dans une variable de taille fixée depuis vararg */
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u32 vsnprintf(u8 *variable, u32 maxsize, const u8 *string, va_list args)
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{
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format(string, args, maxsize, &storestr, variable);
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}
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/*******************************************************************************/
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/* affiche une chaine de caractère formaté a l'ecran */
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u32 format(const u8 * string, va_list args, u32 maxsize, u32 (*fonction)(u8* src, u8** dest, u32 len), u8* dest)
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{
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u64 sizes[] = { 0xFF, 0xFFFF, 0xFFFFFFFF, 0xFFFFFFFFFFFFFFFF };
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u8 units[][4] = { "o\000\000", "kio", "mio", "gio", "tio", "pio" };
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u8 strbase2[] = "0xb\000";
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u8 strbase8[] = "0xo\000";
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u8 strbase16[] = "0x\000";
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u8 hexadecimal[] = "*0x\000";
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u8 achar, temp;
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u8 asize, charadd, unit, precisioni, precisionf;
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u8 buffer[maxbuffersize];
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u8* bufferend;
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u32 buffersize;
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u8 *str = string;
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u8 *strtemp;
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u32 i = 0, counter = 0;
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u64 num;
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bool flag = false, intok = false, decok = false;
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for (achar = *str; achar != '\000'; i++, achar = *(str + i)) {
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if (achar != '%' && !flag) {
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fonction((str + i),&dest,1);
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counter++;
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asize = 2;
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precisioni = 0;
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precisionf = 0;
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intok = false;
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decok = false;
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charadd = 0xFF;
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} else if (achar == '%' || flag) {
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if (!flag)
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++i;
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achar = *(str + i);
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switch (achar) {
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case 'z':
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charadd = achar;
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flag = true;
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break;
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case ' ':
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charadd = achar;
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flag = true;
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break;
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case 'h':
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asize--;
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if (asize<0) asize=0;
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flag = true;
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break;
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case 'l':
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asize++;
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if (asize>3) asize=3;
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flag = true;
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break;
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case '.':
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intok=true;
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decok=false;
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flag = true;
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break;
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case '0':
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case '1':
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case '2':
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case '3':
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case '4':
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case '5':
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case '6':
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case '7':
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case '8':
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case '9':
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if (!intok)
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{
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if (!decok)
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{
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precisioni=achar-'0';
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decok=true;
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}
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else {
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precisioni*=10;
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precisioni+=achar-'0';
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decok=false;
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}
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}
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else {
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if (!decok)
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{
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precisionf=achar-'0';
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decok=true;
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}
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else {
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precisionf*=10;
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precisionf+=achar-'0';
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decok=false;
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}
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}
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flag = true;
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break;
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case 'f':
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case 'e':
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if (achar=='e') {
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precisioni=1;
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precisionf=8;
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}
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if (asize==0) {
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num = (u64) va_arg(args, u8);
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break;
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}
|
|
else if (asize==1) {
|
|
num = (u64) va_arg(args, u16);
|
|
break;
|
|
}
|
|
else if (asize==2)
|
|
bufferend=rtoasingle((float)va_arg(args, double), &buffer, precisioni, precisionf);
|
|
else
|
|
bufferend=rtoadouble((double)va_arg(args, double), &buffer, precisioni, precisionf);
|
|
buffersize=bufferend-&buffer[0];
|
|
counter += fonction(&buffer,&dest,buffersize);
|
|
flag = false;
|
|
break;
|
|
case 'u':
|
|
if (asize==0)
|
|
num = (u64) va_arg(args, u8);
|
|
else if (asize==1)
|
|
num = (u64) va_arg(args, u16);
|
|
else if (asize==2)
|
|
num = (u64) va_arg(args, u32);
|
|
else
|
|
num = (u64) va_arg(args, u64);
|
|
if (charadd == 0xFF)
|
|
charadd = '0';
|
|
bufferend=itoa(num, &buffer, 10, sizes[asize], charadd);
|
|
buffersize=bufferend-&buffer[0];
|
|
counter += fonction(&buffer,&dest,buffersize);
|
|
flag = false;
|
|
break;
|
|
case 'o':
|
|
if (asize==0)
|
|
num = (u64) va_arg(args, u8);
|
|
else if (asize==1)
|
|
num = (u64) va_arg(args, u16);
|
|
else if (asize==2)
|
|
num = (u64) va_arg(args, u32);
|
|
else
|
|
num = (u64) va_arg(args, u64);
|
|
if (charadd == 0xFF)
|
|
charadd = '0';
|
|
counter += fonction(&strbase8,&dest,1);
|
|
bufferend=itoa(num, &buffer, 8, sizes[asize], charadd);
|
|
buffersize=bufferend-&buffer[0];
|
|
counter += fonction(&buffer,&dest,buffersize);
|
|
flag = false;
|
|
break;
|
|
case 'c':
|
|
temp = (u8) va_arg(args, u8);
|
|
fonction(&temp,string,1);
|
|
counter++;
|
|
flag = false;
|
|
break;
|
|
case 'H':
|
|
if (asize==0)
|
|
num = (u64) va_arg(args, u8);
|
|
else if (asize==1)
|
|
num = (u64) va_arg(args, u16);
|
|
else if (asize==2)
|
|
num = (u64) va_arg(args, u32);
|
|
else
|
|
num = (u64) va_arg(args, u64);
|
|
if (charadd == 0xFF)
|
|
charadd = ' ';
|
|
unit=0;
|
|
while(num>1024*10)
|
|
{
|
|
num=num>>10;
|
|
unit++;
|
|
}
|
|
bufferend=sitoa(num, &buffer, sizes[asize]);
|
|
buffersize=bufferend-&buffer[0];
|
|
counter += fonction(&buffer,&dest,buffersize);
|
|
counter += fonction(units[unit],&dest,3);
|
|
flag = false;
|
|
break;
|
|
case 'd':
|
|
case 'i':
|
|
if (asize==0)
|
|
num = (u64) va_arg(args, u8);
|
|
else if (asize==1)
|
|
num = (u64) va_arg(args, u16);
|
|
else if (asize==2)
|
|
num = (u64) va_arg(args, u32);
|
|
else
|
|
num = (u64) va_arg(args, u64);
|
|
if (charadd == 0xFF)
|
|
charadd = ' ';
|
|
bufferend=sitoa(num, &buffer, sizes[asize]);
|
|
buffersize=bufferend-&buffer[0];
|
|
counter += fonction(&buffer,&dest,buffersize);
|
|
flag = false;
|
|
break;
|
|
case 's':
|
|
strtemp = (u8 *) va_arg(args, u8 *);
|
|
counter += fonction(strtemp,&dest,strlen(strtemp));
|
|
flag = false;
|
|
break;
|
|
case 'p':
|
|
num = (u32) va_arg(args, int);
|
|
if (charadd == 0xFF)
|
|
charadd = '0';
|
|
counter += fonction(&hexadecimal,&dest,3);
|
|
bufferend=itoa(num, &buffer, 16, sizes[asize], '0');
|
|
buffersize=bufferend-&buffer[0];
|
|
counter += fonction(&buffer,&dest,buffersize);
|
|
flag = false;
|
|
break;
|
|
case 'x':
|
|
case 'X':
|
|
case 'y':
|
|
case 'Y':
|
|
if (asize==0)
|
|
num = (u64) va_arg(args, u8);
|
|
else if (asize==1)
|
|
num = (u64) va_arg(args, u16);
|
|
else if (asize==2)
|
|
num = (u64) va_arg(args, u32);
|
|
else
|
|
num = (u64) va_arg(args, u64);
|
|
if (charadd == 0xFF)
|
|
charadd = '0';
|
|
if (achar == 'X') counter += fonction(&strbase16,&dest,2);
|
|
bufferend=itoa(num, &buffer, 16, sizes[asize], charadd);
|
|
buffersize=bufferend-&buffer[0];
|
|
if (achar == 'X'||achar == 'Y')
|
|
strtoupper(&buffer);
|
|
counter += fonction(&buffer,&dest,buffersize);
|
|
flag = false;
|
|
break;
|
|
case 'b':
|
|
if (asize==0)
|
|
num = (u64) va_arg(args, u8);
|
|
else if (asize==1)
|
|
num = (u64) va_arg(args, u16);
|
|
else if (asize==2)
|
|
num = (u64) va_arg(args, u32);
|
|
else
|
|
num = (u64) va_arg(args, u64);
|
|
if (charadd == 0xFF)
|
|
charadd = '0';
|
|
counter += fonction(&strbase2,&dest,2);
|
|
bufferend=itoa(num, &buffer, 2, sizes[asize], charadd);
|
|
buffersize=bufferend-&buffer[0];
|
|
counter += fonction(&buffer,&dest,buffersize);
|
|
flag = false;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
buffer[0]='\000';
|
|
fonction(&buffer,&dest,1);
|
|
return counter;
|
|
}
|
|
|
|
/*******************************************************************************/
|
|
/* converti un réel signé en chaine de caractère */
|
|
|
|
u8 *rtoadouble(double num, u8 * str, u8 precisioni , u8 precisionf) {
|
|
s8 power10;
|
|
u8 *pointer=str;
|
|
u8 i,j,integerpart,fracpart;
|
|
if (precisioni==0) precisioni=12;
|
|
if (precisionf==0) precisionf=8;
|
|
double round=0.5;
|
|
for (i=0;i<precisionf;i++) round/=10;
|
|
num+=round;
|
|
bool intok=false;
|
|
if (num<0) {
|
|
num=-num;
|
|
*(pointer++) = '-';
|
|
}
|
|
power10=0;
|
|
{
|
|
while (num>=10.0) {
|
|
num/=10;
|
|
power10++;
|
|
}
|
|
}
|
|
if (power10<precisioni)
|
|
{
|
|
fracpart=power10;
|
|
power10=0;
|
|
}
|
|
else
|
|
{
|
|
fracpart=precisioni;
|
|
power10=power10-precisioni+1;
|
|
}
|
|
if (power10==0)
|
|
{
|
|
if (num!=0.0)
|
|
{
|
|
while (num<1.0)
|
|
{
|
|
num*=10;
|
|
power10--;
|
|
}
|
|
}
|
|
}
|
|
|
|
i=j=0;
|
|
while(num>0)
|
|
{
|
|
if (!intok & (i>fracpart || i>=precisioni)) {
|
|
*(pointer++) = '.';
|
|
intok=true;
|
|
}
|
|
if (intok && j>=precisionf)
|
|
break;
|
|
num-= (integerpart=num);
|
|
*(pointer++) = integerpart+'0';
|
|
num*=10.0;
|
|
if (!intok)
|
|
i++;
|
|
else
|
|
j++;
|
|
}
|
|
while((*(pointer-1))=='0' && pointer>str+1)
|
|
pointer--;
|
|
if ((*(pointer-1))=='.') pointer--;
|
|
if (abs(power10)>0)
|
|
{
|
|
*(pointer++) = 'e';
|
|
if (power10<0) {
|
|
power10=-power10;
|
|
*(pointer++) = '-';
|
|
}
|
|
*(pointer++) = (power10/10+'0');
|
|
*(pointer++) = (power10%10+'0');
|
|
}
|
|
*(pointer++) = 0;
|
|
}
|
|
|
|
/*******************************************************************************/
|
|
/* converti un réel signé en chaine de caractère */
|
|
|
|
u8 *rtoasingle(float num, u8 * str, u8 precisioni , u8 precisionf) {
|
|
return rtoadouble((double)num, str, precisioni, precisionf);
|
|
}
|
|
|
|
/*******************************************************************************/
|
|
/* converti un entier non signé en chaine de caractère */
|
|
|
|
u8 *itoa(u64 orignum, u8 * str, u8 base, u64 dim, u8 achar)
|
|
{
|
|
u8 *pointer = str, i, size = 0;
|
|
u64 num = orignum;
|
|
if (dim>=0xFF)
|
|
{
|
|
num &= dim;
|
|
if ((num == 0) && (achar == 0)) {
|
|
*(pointer++) = '0';
|
|
*pointer = '\000';
|
|
return pointer;
|
|
}
|
|
switch (base) {
|
|
case 2:
|
|
size = log2(dim);
|
|
break;
|
|
case 8:
|
|
size = log2(dim) / 2;
|
|
break;
|
|
case 10:
|
|
size = log10(dim);
|
|
break;
|
|
case 16:
|
|
size = log2(dim) / 4;
|
|
break;
|
|
}
|
|
}
|
|
else
|
|
size=dim;
|
|
for (i = 0; i < size; i++) {
|
|
if (num == 0) {
|
|
if (i==0)
|
|
*(pointer++) = '0';
|
|
else
|
|
*(pointer++) = achar;
|
|
if (achar == 0) break;
|
|
}
|
|
else
|
|
{
|
|
u64 result = num % (u32) base;
|
|
*(pointer++) = (result > 9) ? (result - 10) + 'a' : result + '0';
|
|
num = num / (u32) base;
|
|
}
|
|
}
|
|
*pointer = '\000';
|
|
strinvert(str);
|
|
return pointer;
|
|
}
|
|
|
|
/*******************************************************************************/
|
|
/* converti un entier en chaine de caractère */
|
|
|
|
u8 *sitoa(u64 num, u8 * str, u64 dim)
|
|
{
|
|
u8 *pointer = str;
|
|
bool isNegative = false;
|
|
num &= dim;
|
|
if (num == 0) {
|
|
*(pointer++) = '0';
|
|
*pointer = '\000';
|
|
return pointer;
|
|
}
|
|
if ((((dim+1)>>1)&num)>0) {
|
|
isNegative = true;
|
|
num = (~num&dim)+1;
|
|
}
|
|
while (num != 0) {
|
|
u64 result = num % 10;
|
|
*(pointer++) =
|
|
(result > 9) ? (result - 10) + 'a' : result + '0';
|
|
num = num / 10;
|
|
}
|
|
if (isNegative)
|
|
*(pointer++) = '-';
|
|
*pointer = '\000';
|
|
strinvert(str);
|
|
return pointer;
|
|
}
|
|
/*******************************************************************************/
|
|
/* initialise le tableau des pilotes vidéo */
|
|
void initdriver() {
|
|
for(u32 i=0;i<MAXDRIVERS;i++)
|
|
registred[i].nom=NULL;
|
|
}
|
|
|
|
/*******************************************************************************/
|
|
/* Enregistre un pilote dans le tableau des pilotes vidéo */
|
|
void registerdriver(videofonction *pointer)
|
|
{
|
|
u32 i;
|
|
for(i=0;i<MAXDRIVERS;i++)
|
|
if (registred[i].pointer==pointer)
|
|
return;
|
|
i=0;
|
|
while (registred[i].nom!=NULL && i<MAXDRIVERS)
|
|
i++;
|
|
if (pointer->detect_hardware()!=NULL)
|
|
{
|
|
registred[i].pointer=pointer;
|
|
registred[i].nom=pointer->getvideo_drivername();
|
|
}
|
|
}
|
|
/*******************************************************************************/
|
|
/* Choisi le meilleur driver en terme d'affichage */
|
|
void apply_bestdriver(void) {
|
|
u32 i=0,j=0;
|
|
u8 bestdepth=0x0;
|
|
u8 bestresol=0x0;
|
|
u8 bestmode=0x0;
|
|
u8* bestdriver=NULL;
|
|
capabilities *cap;
|
|
while (registred[i].nom!=NULL && i<MAXDRIVERS) {
|
|
cap=registred[i].pointer->getvideo_capabilities();
|
|
while(cap[j].modenumber!=0xFF) {
|
|
if (cap[j].depth>bestdepth && (cap[j].width*cap[j].height)>=bestresol)
|
|
{
|
|
bestdepth=cap[j].depth;
|
|
bestresol=cap[j].width*cap[j].height;
|
|
bestmode=cap[j].modenumber;
|
|
bestdriver=registred[i].pointer->getvideo_drivername();
|
|
}
|
|
j++;
|
|
}
|
|
i++;
|
|
}
|
|
if (bestdriver!=NULL) apply_driver(bestdriver);
|
|
setvideo_mode(bestmode);
|
|
}
|
|
|
|
/*******************************************************************************/
|
|
/* Choisi le meilleur driver spécifié par le nom */
|
|
void apply_driver(u8* name)
|
|
{
|
|
u32 i=0;
|
|
while (registred[i].nom!=NULL && i<MAXDRIVERS) {
|
|
if (strcmp(name,registred[i].nom)==0) {
|
|
detect_hardware=registred[i].pointer->detect_hardware;
|
|
setvideo_mode=registred[i].pointer->setvideo_mode;
|
|
getvideo_drivername=registred[i].pointer->getvideo_drivername;
|
|
getvideo_capabilities=registred[i].pointer->getvideo_capabilities;
|
|
getvideo_info=registred[i].pointer->getvideo_info;
|
|
mem_to_video=registred[i].pointer->mem_to_video;
|
|
video_to_mem=registred[i].pointer->video_to_mem;
|
|
video_to_video=registred[i].pointer->video_to_video;
|
|
wait_vretrace=registred[i].pointer->wait_vretrace;
|
|
wait_hretrace=registred[i].pointer->wait_hretrace;
|
|
page_set=registred[i].pointer->page_set;
|
|
page_show=registred[i].pointer->page_show;
|
|
page_split=registred[i].pointer->page_split;
|
|
cursor_enable=registred[i].pointer->cursor_enable;
|
|
cursor_disable=registred[i].pointer->cursor_disable;
|
|
cursor_set=registred[i].pointer->cursor_set;
|
|
font_load=registred[i].pointer->font_load;
|
|
font1_set=registred[i].pointer->font1_set;
|
|
font2_set=registred[i].pointer->font2_set;
|
|
blink_enable=registred[i].pointer->blink_enable;
|
|
blink_disable=registred[i].pointer->blink_disable;
|
|
changemode(0x0);
|
|
return;
|
|
}
|
|
i++;
|
|
}
|
|
}
|
|
/*******************************************************************************/
|
|
/* Applique le driver suivant */
|
|
|
|
void apply_nextdriver(void) {
|
|
u32 i=0;
|
|
while (registred[i].nom!=NULL && i<MAXDRIVERS)
|
|
if (strcmp(getvideo_drivername(),registred[i].nom)==0) {
|
|
i++;
|
|
if (registred[i].nom!=NULL) i=0;
|
|
apply_driver(registred[i].nom);
|
|
return;
|
|
}
|
|
i++;
|
|
}
|
|
|
|
/*******************************************************************************/
|
|
/* Applique le mode suivant (le driver suivant si dernier mode) */
|
|
|
|
void apply_nextvideomode(void) {
|
|
capabilities *cap=getvideo_capabilities();
|
|
videoinfos *info=getvideo_info();
|
|
u32 mode=info->currentmode;
|
|
u8 index=0;
|
|
while(cap[index].modenumber!=0xFF) {
|
|
if (cap[index].modenumber==mode) {
|
|
index++;
|
|
if (cap[index].modenumber==0xFF)
|
|
apply_nextdriver();
|
|
else
|
|
changemode(cap[index].modenumber);
|
|
return;
|
|
}
|
|
index++;
|
|
}
|
|
}
|
|
|
|
/******************************************************************************/
|
|
/* Rempli l'écran avec un attribut donné et des espaces vides */
|
|
|
|
static u8 space=' ';
|
|
|
|
void fill(u8 attrib)
|
|
{
|
|
if (!vinfo->isgraphic)
|
|
{
|
|
mem_to_video(space ,0,vinfo->pagesize>>1, false);
|
|
mem_to_video(attrib,1,vinfo->pagesize>>1, false);
|
|
}
|
|
else
|
|
{
|
|
mem_to_video(0x0,0,vinfo->pagesize, false);
|
|
}
|
|
}
|
|
|
|
/******************************************************************************/
|
|
/* Défile l'écran de N ligne si le scrolling est activé */
|
|
|
|
void scroll (u8 lines, u8 attrib)
|
|
{
|
|
if (vc[usedvc].scroll) {
|
|
if (!vinfo->isgraphic)
|
|
{
|
|
u32 gain=vinfo->currentpitch*lines;
|
|
video_to_video(gain,0,vinfo->pagesize-gain);
|
|
mem_to_video(space ,vinfo->pagesize-gain-2,gain, false);
|
|
mem_to_video(attrib,vinfo->pagesize-gain-1,gain, false);
|
|
}
|
|
else
|
|
{
|
|
u32 gain=vinfo->currentpitch*(lines<<3);
|
|
video_to_video(gain,0,vinfo->pagesize-gain);
|
|
mem_to_video(0x0 ,vinfo->pagesize-gain-2,gain, false);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
clearscreen();
|
|
}
|
|
}
|
|
|
|
/******************************************************************************/
|
|
/* Active le scrolling */
|
|
|
|
void scroll_enable(void)
|
|
{
|
|
vc[usedvc].scroll=true;
|
|
}
|
|
|
|
/******************************************************************************/
|
|
/* Désactive le scrolling */
|
|
|
|
void scroll_disable(void)
|
|
{
|
|
vc[usedvc].scroll=false;
|
|
}
|
|
|
|
/******************************************************************************/
|
|
/* Affiche un caractère */
|
|
|
|
void showchar(u16 coordx, u16 coordy, u8 thechar, u8 attrib)
|
|
{
|
|
u8 x, y, pattern, set;
|
|
u32 color;
|
|
if (!vinfo->isgraphic)
|
|
{
|
|
u32 addr=(coordx<<1)+vinfo->currentpitch*coordy;
|
|
mem_to_video(thechar,addr , 1, false);
|
|
mem_to_video(attrib, addr+1, 1, false);
|
|
}
|
|
else
|
|
{
|
|
for (y = 0; y < 8; y++)
|
|
{
|
|
pattern = font8x8[(thechar<<3) + y];
|
|
for (x = 0; x < 8; x++)
|
|
{
|
|
rol(pattern);
|
|
set = pattern & 0x1;
|
|
if (set == 0)
|
|
if (vinfo->currentdepth==32)
|
|
color = egatorgb((attrib & 0xF0) >> 4);
|
|
else
|
|
color = egatovga((attrib & 0xF0) >> 4);
|
|
else
|
|
if (vinfo->currentdepth==32)
|
|
color = egatorgb(attrib & 0x0F);
|
|
else
|
|
color = egatovga(attrib & 0x0F);
|
|
|
|
|
|
|
|
writepxl((coordx<<3) + x, (coordy<<3) + y, color);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/******************************************************************************/
|
|
/* Retourne une couleur RGB 32 bits depuis une couleur EGA/VGA */
|
|
|
|
static convertega[]={0,1,2,3,4,5,20,7,56,57,58,59,60,61,62,63};
|
|
|
|
u8 egatovga(u8 ega)
|
|
{
|
|
return convertega[ega & 0xF];
|
|
}
|
|
|
|
/******************************************************************************/
|
|
/* Retourne une couleur RGB 32 bits depuis une couleur EGA/VGA */
|
|
|
|
static convertrgb[]={0x000000,0x0000AA,0x00AA00,0x00AAAA,0xAA0000,0xAA00AA,0xAA5500,0xAAAAAA,0x555555,0x5555FF,0x55FF55,0x55FFFF,0xFF5555,0xFF55FF,0xFFFF55,0xFFFFFF};
|
|
|
|
u32 egatorgb(u8 vga)
|
|
{
|
|
return convertrgb[vga & 0xF];
|
|
}
|
|
|
|
/******************************************************************************/
|
|
/* Retourne le caractère du mode texte aux coordonnées spécifiées */
|
|
|
|
u8 getchar (u16 coordx, u16 coordy)
|
|
{
|
|
u8 thechar=0;
|
|
if (!vinfo->isgraphic)
|
|
{
|
|
u32 addr=(coordx<<1)+vinfo->currentpitch*coordy;
|
|
video_to_mem(addr,&thechar,1);
|
|
}
|
|
return thechar;
|
|
}
|
|
|
|
|
|
/******************************************************************************/
|
|
/* Retourne l'attribut du mode texte aux coordonnées spécifiées */
|
|
|
|
u8 getattrib (u16 coordx, u16 coordy)
|
|
{
|
|
u8 attrib=0;
|
|
if (!vinfo->isgraphic)
|
|
{
|
|
u32 addr=(coordx<<1)+vinfo->currentpitch*coordy;
|
|
video_to_mem(addr+1,&attrib,1);
|
|
}
|
|
return attrib;
|
|
}
|
|
|
|
|
|
/******************************************************************************/
|
|
/* Affiche une ligne horizontale entre les points spécifiés */
|
|
|
|
void hline(u32 x1, u32 x2, u32 y, u8 color)
|
|
{
|
|
if (vinfo->isgraphic)
|
|
{
|
|
if (x2 > x1)
|
|
mem_to_video(color,x1+vinfo->currentpitch*y,x2-x1,false);
|
|
else
|
|
mem_to_video(color,x2+vinfo->currentpitch*y,x1-x2,false);
|
|
}
|
|
}
|
|
|
|
|
|
/******************************************************************************/
|
|
/* Affiche un pixel à l'écran */
|
|
void writepxl (u16 x, u16 y, u32 color)
|
|
{
|
|
if (vinfo->isgraphic)
|
|
{
|
|
u32 addr=(vinfo->currentdepth>>3)*x+vinfo->currentpitch*y;
|
|
mem_to_video(color,addr,1,false);
|
|
}
|
|
}
|
|
|