/******************************************** * screen - Screen Control Routines for C02 * ********************************************/ /* Clear the Screen */ void clrscn(); /* Move Cursor to Top Left of Screen */ void crsrhm(); /* Get Current Cursor Position * * Returns: cursor column * * cursor row */ char getpos(); /* Get Screen Size * * Returns: width in columns * * height in rows */ char getsiz(); /* Move Cursor to Specified Position * * Args: column - screen column (0 = left) * * row - screen line (0 = top) */ void setpos();