/* vgetline.c (emx+gcc) -- Copyright (c) 1987-1993 by Eberhard Mattes */

#include <stdlib.h>
#include <dos.h>
#define INCL_VIO
#include <os2emx.h>
#include <sys/video.h>
#include "video2.h"

void v_getline (char *dst, int x, int y, int count)
{
  if (count > 0)
    {
      if (_v_mem != NULL)
        memcpy (dst, _v_mem + (y * _v_width + x) * 2, count * 2);
      else if (_osmode == OS2_MODE)
        {
          USHORT len;

          len = count * 2;
          VioReadCellStr (dst, &len, y, x, 0);
        }
      else
        {
          union REGS r;
          int i;

          for (i = 0; i < count; ++i)
            {
              r.h.ah = 0x02;
              r.h.bh = 0;
              r.h.dl = x + i;
              r.h.dh = y;
              _int86 (0x10, &r, &r);
              r.h.ah = 0x08;
              _int86 (0x10, &r, &r);
              dst[0] = r.h.al;
              dst[1] = r.h.ah;
              dst += 2;
            }
          r.h.ah = 0x02;
          r.h.bh = 0x00;
          r.h.dl = (unsigned char)_v_x;
          r.h.dh = (unsigned char)_v_y;
          _int86 (0x10, &r, &r);
        }
    }
}