if ((m.connectionType & (1 << 3)) != 0)
            {
                Connection c = m.connectionUp;
                gb.WriteByte(c.bank);
                gb.WriteByte(c.number);
                Map otherMap = Program.form1.getMap(c.bank, c.number);
                if (otherMap == null)
                {
                    gb.BufferLocation += 10;
                }
                else
                {
                    int p = otherMap.tileDataLocation;
                    int h = otherMap.width - m.width;
                    if (h > 0)
                        p += (h * otherMap.height) + (otherMap.height * 3) + (otherMap.height + 3);
                    else
                        p += (otherMap.height * otherMap.width) - (otherMap.width * 3);

                    c.tileDataPointer = gb.Get2BytePointer(p);
                    gb.WriteBytes(new byte[] { (byte)(c.tileDataPointer[0]), c.tileDataPointer[1] });
                    gb.WriteBytes(c.memoryOtherPointer);
                    gb.WriteBytes(new byte[] { c.height, c.width });
                    gb.WriteByte(c.yOffset);
                    gb.WriteByte(c.xOffset);
                    gb.WriteBytes(c.memoryCurrentPointer);
                }
            }
            if ((m.connectionType & (1 << 2)) != 0)
            {
                Connection c = m.connectionDown;
                gb.WriteByte(c.bank);
                gb.WriteByte(c.number);
                Map otherMap = Program.form1.getMap(c.bank, c.number);
                if (otherMap == null)
                {
                    gb.BufferLocation += 10;
                }
                else
                {
                    c.tileDataPointer = gb.Get2BytePointer(otherMap.tileDataLocation);
                    gb.WriteBytes(c.tileDataPointer);
                    gb.WriteBytes(c.memoryOtherPointer);
                    gb.WriteBytes(new byte[] { c.height, c.width });
                    gb.WriteByte(c.yOffset);
                    gb.WriteByte(c.xOffset);
                    gb.WriteBytes(c.memoryCurrentPointer);
                }
            }
            if ((m.connectionType & (1 << 1)) != 0)
            {
                Connection c = m.connectionLeft;
                gb.WriteByte(c.bank);
                gb.WriteByte(c.number);
                Map otherMap = Program.form1.getMap(c.bank, c.number);
                if (otherMap == null)
                {
                    gb.BufferLocation += 10;
                }
                else
                {
                    int p = otherMap.tileDataLocation;
                    int h = otherMap.height - m.height;
                    if (h > 0)
                        p += (h * otherMap.width) - (otherMap.width * 3) + (otherMap.width - 3);
                    else
                        p += otherMap.width - 3;

                    c.tileDataPointer = gb.Get2BytePointer(p);
                    gb.WriteBytes(new byte[] { (byte)(c.tileDataPointer[0]), c.tileDataPointer[1] });
                    gb.WriteBytes(c.memoryOtherPointer);
                    gb.WriteBytes(new byte[] { c.height, c.width });
                    gb.WriteByte(c.yOffset);
                    gb.WriteByte(c.xOffset);
                    gb.WriteBytes(c.memoryCurrentPointer);
                }
            }
            if ((m.connectionType & 1) != 0)
            {
                Connection c = m.connectionRight;
                gb.WriteByte(c.bank);
                gb.WriteByte(c.number);
                Map otherMap = Program.form1.getMap(c.bank, c.number);
                if (otherMap == null)
                {
                    gb.BufferLocation += 10;
                }
                else
                {
                    c.tileDataPointer = gb.Get2BytePointer(otherMap.tileDataLocation);
                    gb.WriteBytes(c.tileDataPointer);
                    gb.WriteBytes(c.memoryOtherPointer);
                    gb.WriteBytes(new byte[] { c.height, c.width });
                    gb.WriteByte(c.yOffset);
                    gb.WriteByte(c.xOffset);
                    gb.WriteBytes(c.memoryCurrentPointer);
                }
            }