//Emulates an ANSI compatible display subsystem
void Dex32PutC(DEX32_DDL_INFO *dev, char c){
if(c == '\t') {
int i;
for(i = 0; i < 3; i++)
Dex32PutC(dev, ' ');
return;
}
else if(c == '\b') {
if(dev->curx > 0)
dev->curx--;
Dex32UpdateCursor(dev, dev->cury, dev->curx);
}
else if(c == '\r') {
dev->curx = 0;
Dex32UpdateCursor(dev, dev->cury, dev->curx);
}
else if(c == '\n') {
dev->curx = 0;
Dex32NextLn(dev);
}
else {
Dex32PutChar(dev, dev->curx, dev->cury, c, dev->attb);
dev->curx++;
Dex32PutChar(dev, dev->curx, dev->cury, ' ', dev->attb);
if(dev->active)
Dex32UpdateCursor(dev, dev->cury, dev->curx);
}
if(dev->curx > 79) {
dev->curx = 0;
Dex32NextLn(dev);
}
}
void putc(char x)
{
#ifdef USE_CONSOLEDDL
DEX32_DDL_INFO *d = Dex32GetProcessDevice();
int cx = d->curx ,cy=d->cury;
char attb = d->attb;
Dex32PutChar(d,cx,cy,x,attb);
#else
putchar(CsrX,CsrY,x,attb);
#endif
};
//the lowest level video memory oepration available aside from
//update_cursor, puthcar places a character with specified attribute or color
//into an X,Y location (supports only textmode color displays as of the
//moment
//-4-9-2003: Added functions for working with virtual consoles
unsigned int putchar(char x,char y,char c,char color)
{
#ifdef USE_CONSOLEDDL
Dex32PutChar(Dex32GetProcessDevice(),x,y,c,color);
#else
char *cptr;
DWORD vidmemloc=0xb8000;
cptr=(char*)(vidmemloc+ (y * 80 + x) * 2);
*cptr=c;
*(cptr+1)=color;
#endif
};
void Dex32NextLn(DEX32_DDL_INFO *dev){
DWORD vidmemloc = dev->buf_ptr;
dev->cury++;
dev->lines++;
if(dev->cury >= 25) {
dev->cury = 24;
if(dev->scroll) {
Dex32ScrollUp(dev);
memset(vidmemloc+0x00F00, 0, 80*2);
}
}
Dex32PutChar(dev, dev->curx, dev->cury, ' ', dev->attb);
if(dev->active && !dev->bufmode) move_cursor(dev->cury, dev->curx);
}
