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feat: mise en place de consoles multiples avec leurs propres paramètres videos Ajout d'un fonction de sortie type printf

This commit is contained in:
Nicolas Hordé 2007-04-02 14:14:21 +00:00
parent 15e43ea521
commit 0a81792b49
1 changed files with 199 additions and 89 deletions
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286
lib/video.c
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@ -1,10 +1,19 @@
#include "vga.h" #include "vga.h"
#include "video.h" #include "video.h"
#include "stdarg.h"
u8 attrib=0x07;
u16 cursX,cursY; /* position du curseur */ console vc[8]={
extern u16 resX,resY; /* resolution x,y en caractères*/ {0x07,0,0,0,0,0,0,0},
u8 ansi,param1,param2,param3; {0x07,0,0,0,0,0,0,0},
{0x07,0,0,0,0,0,0,0},
{0x07,0,0,0,0,0,0,0},
{0x07,0,0,0,0,0,0,0},
{0x07,0,0,0,0,0,0,0},
{0x07,0,0,0,0,0,0,0},
{0x07,0,0,0,0,0,0,0}};
u8 usedvc=0;
/*******************************************************************************/ /*******************************************************************************/
@ -19,9 +28,15 @@ void setattrib(u8 att)
}; };
u8 tempattr; u8 tempattr;
tempattr = attrib; tempattr = vc[usedvc].attrib;
if(att == 0) if(att == 0)
tempattr &= ~0x08; /* Faible intensité */ tempattr = 0x07; /* Couleur Grise sur fond noir */
else if (att == 5)
tempattr |= 0x80;
else if (att == 7)
tempattr = ((tempattr&0x0F)<<4)+((tempattr&0xF0)>>4);
else if (att == 8)
tempattr = 0;
else if (att == 1) else if (att == 1)
tempattr |= 0x08; /* Forte intensité */ tempattr |= 0x08; /* Forte intensité */
else if(att >= 30 && att <= 37) else if(att >= 30 && att <= 37)
@ -34,7 +49,7 @@ void setattrib(u8 att)
att = ansitovga[att - 40] << 4; att = ansitovga[att - 40] << 4;
tempattr = (tempattr & ~0x70) | att;/* couleur de fond */ tempattr = (tempattr & ~0x70) | att;/* couleur de fond */
} }
attrib = tempattr; vc[usedvc].attrib = tempattr;
} }
/*******************************************************************************/ /*******************************************************************************/
@ -44,13 +59,13 @@ void setattrib(u8 att)
bool makeansi(u8 c) bool makeansi(u8 c)
{ {
/* state machine to handle the escape sequences */ /* state machine to handle the escape sequences */
switch(ansi) switch(vc[usedvc].ansi)
{ {
case 0: case 0:
/* ESC -- next state */ /* ESC -- next state */
if(c == 0x1B) if(c == 0x1B)
{ {
ansi++; vc[usedvc].ansi++;
return 1; /* "I handled it" */ return 1; /* "I handled it" */
} }
break; break;
@ -58,8 +73,8 @@ bool makeansi(u8 c)
case 1: case 1:
if(c == '[') if(c == '[')
{ {
ansi++; vc[usedvc].ansi++;
param1 = 0; vc[usedvc].param1 = 0;
return 1; return 1;
} }
break; break;
@ -67,62 +82,69 @@ bool makeansi(u8 c)
case 2: case 2:
if(isdigit(c)) if(isdigit(c))
{ {
param1 = param1 * 10 + c - '0'; vc[usedvc].param1 = vc[usedvc].param1 * 10 + c - '0';
return 1; return 1;
} }
else if(c == ';') else if(c == ';')
{ {
ansi++; vc[usedvc].ansi++;
param2 = 0; vc[usedvc].param2 = 0;
return 1; return 1;
} }
/* ESC[2J -- efface l'ecran */ /* ESC[2J -- efface l'ecran */
else if(c == 'J') else if(c == 'J')
{ {
if(param1 == 2) if(vc[usedvc].param1 == 2)
{ {
fill(attrib); fill(vc[usedvc].attrib);
ansi = 0; vc[usedvc].cursX=0;
vc[usedvc].cursY=0;
gotoscr(0,0);
vc[usedvc].ansi = 0;
return 1; return 1;
} }
} }
/* ESC[num1m -- met l'attribut num1 */ /* ESC[num1m -- met l'attribut num1 */
else if(c == 'm') else if(c == 'm')
{ {
setattrib(param1); setattrib(vc[usedvc].param1);
ansi = 0; vc[usedvc].ansi = 0;
return 1; return 1;
} }
/* ESC[num1A -- bouge le curseur de num1 vers le haut */ /* ESC[num1A -- bouge le curseur de num1 vers le haut */
else if(c == 'A') else if(c == 'A')
{ {
cursY-=param1; vc[usedvc].cursY-=vc[usedvc].param1;
ansi = 0; if (vc[usedvc].cursY<0) vc[usedvc].cursY=0;
gotoscr(cursX,cursY); vc[usedvc].ansi = 0;
gotoscr(vc[usedvc].cursX,vc[usedvc].cursY);
return 1; return 1;
} }
/* ESC[num1B -- bouge le curseur de num1 vers le bas */ /* ESC[num1B -- bouge le curseur de num1 vers le bas */
else if(c == 'B') else if(c == 'B')
{ {
cursY+=param1; vc[usedvc].cursY+=vc[usedvc].param1;
ansi = 0; if (vc[usedvc].cursY>=getyres()-1) vc[usedvc].cursY=getyres();
gotoscr(cursX,cursY); vc[usedvc].ansi = 0;
gotoscr(vc[usedvc].cursX,vc[usedvc].cursY);
return 1; return 1;
} }
/* ESC[num1C -- bouge le curseur de num1 vers la gauche */ /* ESC[num1D -- bouge le curseur de num1 vers la gauche */
else if(c == 'C')
{
cursX-=param1;
ansi = 0;
gotoscr(cursX,cursY);
return 1;
}
/* ESC[num1D -- bouge le curseur de num1 vers la droite */
else if(c == 'D') else if(c == 'D')
{ {
cursX+=param1; vc[usedvc].cursX-=vc[usedvc].param1;
ansi = 0; if (vc[usedvc].cursX<0) vc[usedvc].cursX=0;
gotoscr(cursX,cursY); vc[usedvc].ansi = 0;
gotoscr(vc[usedvc].cursX,vc[usedvc].cursY);
return 1;
}
/* ESC[num1C -- bouge le curseur de num1 vers la droite */
else if(c == 'C')
{
vc[usedvc].cursX+=vc[usedvc].param1;
if (vc[usedvc].cursX>=getxres()-1) vc[usedvc].cursX=getxres();
vc[usedvc].ansi = 0;
gotoscr(vc[usedvc].cursX,vc[usedvc].cursY);
return 1; return 1;
} }
break; break;
@ -130,32 +152,32 @@ bool makeansi(u8 c)
case 3: case 3:
if(isdigit(c)) if(isdigit(c))
{ {
param2 = param2 * 10 + c - '0'; vc[usedvc].param2 = vc[usedvc].param2 * 10 + c - '0';
return 1; return 1;
} }
else if(c == ';') else if(c == ';')
{ {
ansi++; vc[usedvc].ansi++;
param3 = 0; vc[usedvc].param3 = 0;
return 1; return 1;
} }
/* ESC[num1;num2H ou ESC[num1;num2f-- bouge le curseur en num1,num2 */ /* ESC[num1;num2H ou ESC[num1;num2f-- bouge le curseur en num1,num2 */
else if((c == 'H')||(c == 'f')) else if((c == 'H')||(c == 'f'))
{ {
/* Remet la position du curseur matériel a num1,num2 */ /* Remet la position du curseur matériel a num1,num2 */
gotoscr(param2,param1); gotoscr(vc[usedvc].param2,vc[usedvc].param1);
/* Remet la position du curseur logiciel a num1,num2 */ /* Remet la position du curseur logiciel a num1,num2 */
cursX=param2; vc[usedvc].cursX=vc[usedvc].param2;
cursY=param1; vc[usedvc].cursY=vc[usedvc].param1;
ansi = 0; vc[usedvc].ansi = 0;
return 1; return 1;
} }
/* ESC[num1;num2m -- met les attributs num1,num2 */ /* ESC[num1;num2m -- met les attributs num1,num2 */
else if(c == 'm') else if(c == 'm')
{ {
setattrib(param1); setattrib(vc[usedvc].param1);
setattrib(param2); setattrib(vc[usedvc].param2);
ansi = 0; vc[usedvc].ansi = 0;
return 1; return 1;
} }
break; break;
@ -163,104 +185,118 @@ bool makeansi(u8 c)
case 4: case 4:
if(isdigit(c)) if(isdigit(c))
{ {
param3 = param3 * 10 + c - '0'; vc[usedvc].param3 = vc[usedvc].param3 * 10 + c - '0';
return 1; return 1;
} }
/* ESC[num1;num2;num3m -- met les attributs num1,num2,num3 */ /* ESC[num1;num2;num3m -- met les attributs num1,num2,num3 */
else if(c == 'm') else if(c == 'm')
{ {
setattrib(param1); setattrib(vc[usedvc].param1);
setattrib(param2); setattrib(vc[usedvc].param2);
setattrib(param3); setattrib(vc[usedvc].param3);
ansi = 0; vc[usedvc].ansi = 0;
return 1; return 1;
} }
break; break;
/* Mauvais etat >> reset */ /* Mauvais etat >> reset */
default: default:
ansi = 0; vc[usedvc].ansi = 0;
break; break;
} }
ansi = 0; vc[usedvc].ansi = 0;
return 0; /* Ansi fini ;)*/ return 0; /* Ansi fini ;)*/
} }
/*******************************************************************************/ /*******************************************************************************/
/* Change la console en cours d'utilisation */
void changevc(u8 avc)
{
usedvc=avc;
showpage(usedvc);
setpage(usedvc);
gotoscr(vc[usedvc].cursX,vc[usedvc].cursY);
}
/*******************************************************************************/
/* affiche un caractère a l'écran */ /* affiche un caractère a l'écran */
void putchar(u8 thechar) void putchar(u8 thechar)
{ {
showpage(usedvc);
setpage(usedvc);
if(makeansi(thechar)) return; if(makeansi(thechar)) return;
switch (thechar) switch (thechar)
{ {
case 0x11: case 0x11:
if (cursY>0) cursY--; if (vc[usedvc].cursY>0) vc[usedvc].cursY--;
break; break;
case 0x12: case 0x12:
if (cursY<resY-1) cursY++; if (vc[usedvc].cursY<getyres()-1) vc[usedvc].cursY++;
break; break;
case 0x13: case 0x13:
if (cursX>0) cursX--; if (vc[usedvc].cursX>0) vc[usedvc].cursX--;
break; break;
case 0x14: case 0x14:
if (cursX<resX-1) cursX++; if (vc[usedvc].cursX<getxres()-1) vc[usedvc].cursX++;
break; break;
case 0x2: case 0x2:
cursX=0; vc[usedvc].cursX=0;
cursY=0; vc[usedvc].cursY=0;
break; break;
case 0x3: case 0x3:
cursX=0; vc[usedvc].cursX=0;
cursY=resY-1; vc[usedvc].cursY=getyres()-1;
break; break;
case 0x19: case 0x19:
cursX=resX-1; vc[usedvc].cursX=getxres()-1;
break; break;
case '\b': case '\b':
if (cursX==0) if (vc[usedvc].cursX==0)
{ {
if (cursY>0) if (vc[usedvc].cursY>0)
{ {
cursX=resX-1; vc[usedvc].cursX=getxres()-1;
cursY--; vc[usedvc].cursY--;
} }
} }
else else
{ {
cursX--; vc[usedvc].cursX--;
} }
showchar(cursX,cursY,' ',attrib); showchar(vc[usedvc].cursX,vc[usedvc].cursY,' ',vc[usedvc].attrib);
break; break;
case '\t': case '\t':
cursX=(cursX + 8) & ~(8 - 1); vc[usedvc].cursX=(vc[usedvc].cursX + 8) & ~(8 - 1);
break; break;
case '\n': case '\n':
cursX=0; vc[usedvc].cursX=0;
break; break;
case '\r': case '\r':
cursX=0; vc[usedvc].cursX=0;
cursY++; vc[usedvc].cursY++;
break; break;
default: default:
if (thechar>=' ') if (thechar>=' ')
{ {
showchar(cursX,cursY,thechar,attrib); showchar(vc[usedvc].cursX,vc[usedvc].cursY,thechar,vc[usedvc].attrib);
cursX++; vc[usedvc].cursX++;
} }
break; break;
} }
if (cursX>=resX) if (vc[usedvc].cursX>=getxres())
{ {
cursX=0; vc[usedvc].cursX=0;
cursY++; vc[usedvc].cursY++;
} }
if (cursY>=resY) if (vc[usedvc].cursY>=getyres())
{ {
scroll(1,attrib); scroll(1,vc[usedvc].attrib);
cursY=resY-1; vc[usedvc].cursY=getyres()-1;
} }
gotoscr(cursX,cursY); gotoscr(vc[usedvc].cursX,vc[usedvc].cursY);
} }
/*******************************************************************************/ /*******************************************************************************/
@ -271,7 +307,7 @@ void print(u8* string)
{ {
u8 *source; u8 *source;
source = string; source = string;
while(*source!=0x00) while(*source!=0)
{ {
putchar(*source++); putchar(*source++);
} }
@ -279,13 +315,87 @@ void print(u8* string)
/*******************************************************************************/ /*******************************************************************************/
/* affiche un octet sous forme hexadécimale a l'ecran */ /* affiche une chaine de caractère formaté a l'ecran */
void showhex(u8 src) void printf (const u8 *string, ...)
{ {
static u8 hexadigit[16] = "0123456789ABCDEF"; va_list ap;
putchar(hexadigit[(src&0xF0)>>4]); u8 buffer[50];
putchar(hexadigit[src&0x0F]); u8 *pointer;
u8 radix;
bool signe;
long num;
va_start(ap, string);
while(*string!= 0)
{
if (*string != '%')
putchar (*string);
else
{
switch (*++string)
{
case 'c':
putchar (va_arg(ap, int));
break;
case 'u':
radix=10;
signe=0;
showstring:
num=va_arg(ap, int);
pointer = buffer + 50 - 1;
*pointer = '\0';
if ((signe==1)&&(num<0))
{
num = -num;
signe++;
}
do
{
unsigned long temp;
temp = (unsigned long)num % radix;
pointer--;
if(temp < 10)
*pointer = temp + '0';
else
*pointer = temp - 10 + 'a';
num = (unsigned long)num / radix;
}
while(num != 0);
if (signe>1) *(--pointer)='-';
while (*pointer!=0) putchar(*pointer++);
break;
case 'o':
radix = 8;
signe=0;
goto showstring;
case 'd':
case 'i':
radix=10;
signe=1;
goto showstring;
case 'x':
radix=16;
signe=0;
goto showstring;
case 's':
pointer=va_arg(ap, u8*);
if (!pointer) pointer="(null)";
while (*pointer!=0) putchar(*pointer++);
break;
case '%':
putchar ('%');
break;
default:
putchar (va_arg(ap, int));
break;
}
}
string++;
}
va_end(ap);
} }
/*******************************************************************************/ /*******************************************************************************/