#include <system.h>

void main()
{
  if (BlockStatus == EB_NONE) return;

  int line, col;
  int tmp_ins_mode = InsertMode;
  int block_line1  = BlockLine1;
  int block_line2  = BlockLine2;
  int block_col1   = BlockCol1;
  int block_col2   = BlockCol2;
  int block_status = BlockStatus;
  int saved_line   = CurLine;
  int saved_col    = CurCol;
  char s[2048];

  InsertMode = FALSE;
  for (line = block_line1; line <= block_line2; line++)
  {
    CurLine = line;
    GetLine(s);

    col = block_col1;
    if (block_status == EB_LINE || (block_status == EB_STREAM && line != block_line1))
      col = 1;

    int end_col = block_col2;
    if (block_status == EB_LINE || (block_status == EB_STREAM && line != block_line2))
      end_col = strlen(s) + 1;

    for (; col <= end_col; col++)
      s[col - 1] = toupper(s[col - 1]);

    CurCol = 1;
    Text(s);
  }

  InsertMode = tmp_ins_mode;
  GotoXY(saved_col, saved_line);
}