int putch(int c)
{
int row, col;
ScreenGetCursor(&row, &col);
/* first, handle the character */
if (c == '\n')
{
row++;
}
else if (c == '\r')
{
col = txinfo.winleft - 1;
}
else if (c == '\b')
{
if (col > txinfo.winleft - 1)
col--;
else if (row > txinfo.wintop -1)
{
/*
* Turbo-C ignores this case; we are smarter.
*/
row--;
col = txinfo.winright-1;
}
}
else if (c == 0x07)
bell();
else {
/* short val = c | (ScreenAttrib << 8); */
/* puttext(col + 1, row + 1, col + 1, row + 1, &val); */
ScreenPutChar(c, ScreenAttrib, col, row);
col++;
}
/* now, readjust the window */
if (col >= txinfo.winright) {
col = txinfo.winleft - 1;
row++;
}
if (row >= txinfo.winbottom) {
/* scrollwin(0, txinfo.winbottom - txinfo.wintop, 1); */
if (_wscroll)
{
ScreenSetCursor(txinfo.wintop-1,0);
delline();
}
row--;
}
ScreenSetCursor(row, col);
txinfo.cury = row - txinfo.wintop + 2;
txinfo.curx = col - txinfo.winleft + 2;
return c;
}
static int Printer(int ch, void*)
{
ScreenPutChar(ch);
return 0;
}