Document:

<PAGE>   1
                                                                   EXHIBIT 10.55

                              [HARRAH'S LETTERHEAD]

                                 August 3, 2000

Frederick W. Burford
JCC Holding Company
One Canal Place
365 Canal Street
Suite 900
New Orleans, LA 70130

         Re: Forbearance

Dear Fred:

         As a follow up to my letter of July 24, 2000, I reiterate the desire of
Harrah's Entertainment, Inc., Harrah's Operating Company and Harrah's New
Orleans Management Company to work with JCC Holding Company and Jazz Casino
Company LLC to find a long-term financial solution for their financial
situation.

         To this end we agree to forbear until December 31, 2000 from collection
of any and all amounts which were deferred under the Limited Forbearance
Agreement through July 31, 2000. Furthermore, we will also forbear until
December 31, 2000 on collection of the Rent (as defined in the Limited
Forbearance Agreement dated as of February 29, 2000) which comes due for the
period from August 1, 2000 through December 31, 2000. These forbearances are
made on the terms and conditions set forth in the Limited Forbearance Agreement.

         However, we will not continue to forbear with respect to the
Reimbursables and Service Fees (both as defined in the Limited Forbearance
Agreement) from and after August 1, 2000. These amounts are senior to the
secured debt under the bank and bond documents and need to be paid currently
just as JCC is paying its other creditors as amounts come due.

         This letter supersedes my July 24 letter. Please contact me if you have
any questions.

                                        Very truly yours,

                                        /s/ CHARLES L. ATWOOD
                                        Charles L. Atwood<PAGE>   1
                                                                   EXHIBIT 10.56

                             [HARRAH'S LETTERHEAD]

                                 July 24, 2000

Mr. Frederick W. Burford
JCC Holding Company
One Canal Place
365 Canal Street
Suite 900
New Orleans, LA 70130

         Re: FORBEARANCE

Dear Fred:

     We are in receipt of your letter of July 18. We understand the difficulty
of your position and the financial problems facing JCC and the property. As a
result, we remain willing and interested in continuing to engage in discussions
with JCC and all of JCC's lenders and creditors with a view to arriving at a
permanent solution to JCC's financial problems.

     To that end, we plan to discuss with our Board of Directors, at a
regularly scheduled meeting this week, the subject of the New Orleans project.
We expect to be in a position after the Board meeting to respond to your
letter. Under these circumstances we (Harrah's Entertainment, Inc., Harrah's
Operating Company, Inc. and Harrah's New Orleans Management Company) agree to
extend the forbearance date under the Limited Forbearance Agreement from
August 1, 2000 to August 15, 2000.

                                             Very truly yours,

                                             /s/ CHARLES L. ATWOOD
                                             Charles L. Atwood

CA:sr

cc:  Steve Brammell
     Colin Reed<PAGE>   1
                                                                   EXHIBIT 10.99

THE SECURITIES REPRESENTED BY THIS CERTIFICATE HAVE NOT BEEN REGISTERED UNDER
THE SECURITIES ACT OF 1933, AS AMENDED. SUCH SECURITIES MAY NOT BE SOLD OR
TRANSFERRED IN THE ABSENCE OF SUCH REGISTRATION OR AN EXEMPTION THEREFROM UNDER
SAID ACT.

                                                             Warrant to Purchase

WE-018                                                             20,000 Shares

                             NTN COMMUNICATIONS INC.

             (Incorporated under the laws of the State of Delaware)

                WARRANT CERTIFICATE FOR THE PURCHASE OF SHARES OF
           THE $.005 PAR VALUE COMMON STOCK OF NTN COMMUNICATIONS INC.

                   EXERCISABLE ON OR BEFORE FEBRUARY 28, 2003

Warrant Price:  $3.9375 (Three Dollars and Ninety-three and Three-Quarter Cents)
                   per share.

         1. THIS IS TO CERTIFY that, for value received, Beverage Industry
Marketing Services (the "Holder"), is entitled to purchase, subject to the terms
and conditions hereinafter set forth, up to 20,000 shares of the $.005 par value
common stock ("Common Stock") of NTN Communications Inc. (the "Company"), and to
receive certificate(s) for the Common Stock so purchased. This Warrant shall
become exercisable as to: (i) one third (1/3) of the total number of shares in
the event net advertising revenues resulting from advertising contracts
solicited solely by Holder, in accordance with the terms and conditions of the
Advertising Sales Representative Agreement, dated February 29, 2000, by and
between the Company and Holder (the "Advertising Agreement"), reach $2,500,000
or more during a single calendar year; (ii) an additional one third (1/3) of the
total number of shares in the event net advertising revenues resulting from
advertising contracts solicited solely by Holder, in accordance with the terms
and conditions of the Advertising Agreement, reach $3,500,000 or more during a
single calendar year; and (iii) the final one third (1/3) of the total number of
shares in the event net advertising revenues resulting from advertising
contracts solicited solely by Holder, in accordance with the terms and
conditions of the Advertising Agreement, reach $5,000,000 or more during a
single calendar year. In any such event, the Company shall so notify the Holder
in writing, and this Warrant shall therefrom be and become exercisable as to the
relevant number of shares at any time and from time to time from and after the
date of any such notice and on or before February 28, 2003 (the "Warrant
Period"). This Warrant may be exercised, as to shares as to which it has become
exercisable, in whole or in part. Such exercise shall be accomplished by tender
to the

<PAGE>   2

Company of the purchase price set forth above as the warrant price (the "Warrant
Price"), either in cash or by certified check or bank cashier's check, payable
to the order of the Company, together with presentation and surrender to the
Company of this Warrant with an executed subscription in substantially the form
attached hereto as Exhibit A. Fractional shares of the Company's Common Stock
will not be issued upon the exercise of this Warrant.

         2. The Company agrees at all times to reserve and hold available out of
the aggregate of its authorized but unissued Common Stock the number of shares
of its Common Stock issuable upon the exercise of this and all other Warrants of
like tenor then outstanding. The Company further covenants and agrees that all
shares of Common Stock that may be delivered upon the exercise of this Warrant
will, upon delivery, be fully paid and nonassessable and free from all taxes,
liens and charges with respect to the purchase thereof hereunder.

         This Warrant and the Common Stock issuable upon the exercise hereof may
not be sold, transferred, pledged or hypothecated unless the Company shall have
been supplied with evidence reasonably satisfactory to it that such transfer is
not in violation of the Securities Act of 1933, as amended (the "Act") or any
applicable state laws. Subject to the satisfaction of the aforesaid condition,
this Warrant shall be transferable by the Holder.

         If this Warrant is transferred, in whole or in part, upon surrender of
this Warrant to the Company, the Company shall deliver to each transferee a
Warrant evidencing the rights of such transferee to purchase the number of
shares of Common Stock that such transferee is entitled to purchase pursuant to
such transfer.

         The Company may place a legend on this Warrant or any replacement
Warrant and on each certificate representing shares issuable upon exercise of
this Warrant as to which the Company has not been supplied evidence that the
transfer of such security would not be in violation of the Act and any
applicable state laws.

         3. This Warrant does not entitle the Holder to any voting rights or
other rights as a stockholder of the Company, nor to any other rights whatsoever
except the rights herein set forth, and no dividend shall be payable or accrue
by reason of this Warrant or the interest represented hereby, or the shares
purchasable hereunder, until or unless, and except to the extent that, this
Warrant is exercised.

         This Warrant is exchangeable upon its surrender by the Holder to the
Company for new Warrants of like tenor and date representing in the aggregate
the right to purchase the number of shares purchasable hereunder, each of such
new Warrants to represent the right to purchase such number of shares as may be
designated by the Holder at the time of such surrender.

<PAGE>   3

         The Company shall comply with the reporting requirements of Sections 13
and 15(d) of the Securities Exchange Act of 1934 (the "Exchange Act") for so
long as and to the extent that such requirements apply to the Company.

         4. The Warrant Price and the number of shares purchasable upon the
exercise of this Warrant are subject to adjustment from time to time upon the
occurrence of any of the events specified in this Section 4.

                  (a) In case the Company shall (i) pay a dividend in shares of
Common Stock or make a distribution in shares of Common Stock, (ii) subdivide
its outstanding shares of Common Stock, (iii) combine its outstanding shares of
Common Stock into a smaller number of shares of Common Stock, or (iv) issue by
reclassification of its shares of Common Stock other securities of the Company,
the number of shares of Common Stock purchasable upon exercise of this Warrant
immediately prior thereto shall be adjusted so that the Holder of this Warrant
shall be entitled to receive the kind and number of shares of Common Stock or
other securities of the Company that he would have owned or have been entitled
to receive after the happening of any of the events described above, had such
Warrant been exercised immediately prior to the happening of such event or any
record date with respect thereto. An adjustment made pursuant to this paragraph
(a) shall become effective immediately after the effective date of such event
retroactive to the record date, if any, for such event.

                  (b) Whenever the number of shares of Common Stock purchasable
upon the exercise of this Warrant is adjusted, as herein provided, the Warrant
Price shall be adjusted by multiplying such Warrant Price immediately prior to
such adjustment by a fraction, of which the numerator shall be the number of
shares of Common Stock purchasable upon the exercise of this Warrant immediately
prior to such adjustment, and of which the denominator shall be the number of
shares of Common Stock so purchasable immediately thereafter.

                  (c) For the purpose of this Section 4, the term shares of
Common Stock shall mean (i) the class of stock designated as the Common Stock of
the Company at the date of this Warrant, or (ii) any other class of stock
resulting from successive changes or reclassifications of such shares consisting
solely of change in par value, or from par value to no par value, or from no par
value to par value.

                  (d) If during the Warrant Period the Company consolidates with
or merges into another corporation or transfers all or substantially all of its
assets, the Holder shall thereafter be entitled upon exercise hereof to
purchase, with respect to each share of Common Stock purchasable hereunder
immediately prior to the date upon which such consolidation or merger becomes
effective, the securities or property to which a holder of shares of Common
Stock is entitled upon such consolidation or merger, without any change in, or
payment in addition to the Warrant Price in effect immediately prior to such
merger or consolidation, and the Company shall take such steps in connection
with such consolidation or merger as may be necessary to ensure that all of the
provisions of this Warrant shall

<PAGE>   4

thereafter be applicable, as nearly as reasonably may be, in relation to any
securities or property thereafter deliverable upon the exercise of this Warrant.
The Company shall not effect any such consolidation, merger or asset transfer
unless prior to the consummation thereof the successor corporation resulting
therefrom shall assume by written agreement executed and mailed to the
registered Holder at his address shown on the books and records of the Company,
the obligation to deliver to such Holder any such securities or property as in
accordance with the foregoing provisions such Holder shall be entitled to
purchase.

                  (e) Upon the happening of any event requiring an adjustment of
the Warrant Price, the Company shall forthwith give written notice thereof to
the registered Holder of this Warrant, stating the adjusted Warrant Price and
the adjusted number of shares of Common Stock or other securities or property
purchasable upon the exercise hereof resulting from such event and setting forth
in reasonable detail the method of calculation and the facts upon which such
calculation is based. The Board of Directors of the Company shall determine the
adjusted Warrant Price and the securities or property purchasable upon exercise.
If any voluntary or involuntary dissolution, liquidation, or winding up of the
Company is proposed, the Company shall give at least 20 days prior written
notice of such proposal to the registered Holder hereof stating the date on
which such event is to take place and the date (which shall be at least 20 days
after giving of such notice) as of which the holders of shares of Common Stock
of record shall be entitled to exchange their Common Stock for securities or
other property deliverable upon such dissolution, liquidation or winding up.
This Warrant and all rights hereunder shall terminate as of the date on which
such dissolution, liquidation, or winding up takes place. The notices pursuant
to this paragraph shall be given by first class mail, postage prepaid, addressed
to the registered Holder of this Warrant at his address appearing in the records
of the Company.

                  (f) Irrespective of any adjustments pursuant to this Section 4
to the Warrant Price or to the number of shares or other securities or other
property obtainable upon exercise of this Warrant, this Warrant may continue to
state the Warrant Price and the number of shares obtainable upon exercise, as
the same price and number of shares stated herein.

         5. Notwithstanding anything to the contrary herein the Exercise Dates
shall automatically be accelerated immediately upon a Change in Control Event. A
"Change in Control Event" shall mean:

         (1) The acquisition by any individual entity or group (within the
meaning of Section 13(d)(3) or 14(d)(2) of the Exchange Act (a "Person")) of
beneficial ownership of 50% or more of the then outstanding voting securities of
the Corporation entitled to vote generally in the election of directors (the
"Outstanding Voting Securities"); provided, however, that the following
acquisitions shall not constitute a Change in Control Event: (A) any acquisition
by the Corporation or (B) any acquisition by any employee benefit plan (or
related trust) sponsored or maintained by the Corporation or any corporation
controlled by the Corporation; or

<PAGE>   5

         (2) Individuals who, as of the date hereof, constitute the Board (the
"Incumbent Board") cease for any reason to constitute at least a majority of the
Board; provided, however, that any individual who becomes a director subsequent
to the date hereof whose election, or nomination for election by the
Corporation's shareholders, was approved by a vote of at least a majority of the
directors then comprising the Incumbent Board shall be considered as though such
individual were a member of the Incumbent Board; but excluding, for this
purpose, any such individual whose initial assumption of office occurs as a
result of either an actual or threatened election contest (as such terms are
used in Rule 14a-11 of Regulation 14A promulgated under the Exchange Act) or
other actual or threatened solicitation of proxies or consents by or on behalf
of a Person other than the Board; or

         (3) Approval by the shareholders of the Corporation of a
reorganization, merger or consolidation (a "transaction"), unless, following
such transaction in each case, more than 50% of, respectively, the then
outstanding shares of common stock of the corporation resulting from such
transaction and the combined voting power of the then outstanding voting
securities of such corporation entitled to vote generally in the election of
directors is then beneficially owned, directly or indirectly, by all or
substantially all of the individuals and entities who were beneficial owners,
respectively, of the outstanding Common Stock and outstanding voting securities
of the Corporation immediately prior to such transaction; or

         (4) Approval by the shareholders of the Corporation of (A) a complete
liquidation or dissolution of the Corporation or (B) the sale or other
disposition of all or substantially all of the assets of the Corporation, unless
such assets are sold to a corporation and following such sale or other
disposition, the condition described in paragraph (3) above is satisfied.

     IN WITNESS WHEREOF, the Company has caused this Warrant to be executed by
its duly authorized officers, and the corporate seal hereunto affixed.

     DATED:  February 29, 2000.              NTN COMMUNICATIONS, INC.

                                             By:
                                                --------------------------------
                                                   Kendra Berger
                                                   Chief Financial Officer

                                             ATTEST:

     [Seal]                                  By:
                                                --------------------------------
                                                   Kathy Miles
                                                   Assistant Secretary

<PAGE>   6

                                SUBSCRIPTION FORM

     (To be executed by the Registered Holder to exercise the rights to purchase
Common Stock evidenced by the within Warrant)

         The undersigned hereby irrevocably subscribes for ______ shares (the
     "Stock") of the Common Stock of NTN Communications, Inc. (the "Company")
     pursuant to and in accordance with the terms and conditions of the attached
     Warrant and hereby makes payment of $_________ therefore, and requests that
     a certificate for such shares be issued in the name of the undersigned and
     delivered to the undersigned at the address stated below. If such number of
     shares is not all of the shares purchasable pursuant to the attached
     Warrant, the undersigned requests that a new Warrant of like tenor for the
     balance of the remaining shares purchasable thereunder be delivered to the
     undersigned at the address stated below.

         In connection with the issuance of the Stock the undersigned hereby
     represents to the Company that he is acquiring the Stock for his own
     account for investment and not with a view to, or for resale in connection
     with, a distribution of the shares within the meaning of the Securities Act
     of 1933, as amended (the "Act"). The undersigned also understands that the
     Company has not registered the Stock under the Act, in reliance upon the
     private offering exemptions contained in Section 4(2) of the Act, and that
     such reliance is based in part upon the undersigned's representations.

         The undersigned understands that because the Stock has not been
     registered under the Act, the undersigned must hold such Stock indefinitely
     unless such Stock is subsequently registered and qualified under such
     statutes or it exempt from such registration and qualification. Before the
     undersigned makes any transfer or disposition of any shares of the Stock,
     the undersigned agrees to give to the Company written notice of its
     intention to do so and to describe briefly the manner of such proposed
     transfer or disposition unless (a) such transfer or disposition can be made
     without registration under the Act and qualification under the Law by
     reason of specific exemptions from such registration and such
     qualification, or (b) a registration statement has been filed pursuant to
     the Act and has been declared effective with respect to such disposition.

         The undersigned agrees that each certificate representing the Stock
     delivered to it shall bear substantially the following legend:

         "The shares represented by this certificate have not been registered
     under the Securities Act of 1933, as amended. The shares may not be sold or
     transferred in the absence of such registration or an exemption therefrom
     under said Act."

         The undersigned further agrees that the Company may place stop orders
     on the certificates evidencing the Stock with the transfer agent, if any,
     to the same effect as the above legend. The legend and stop transfer notice
     referred to above shall be

<PAGE>   7

     removed only upon the undersigned's furnishing to the Company an opinion of
     counsel (reasonably satisifactory to the Company) to the effect that such
     legend may be removed.

     Date:                             BEVERAGE INDUSTRY MARKETING SERVICES
          -------------
                                       By:
                                          ----------------------------------

                                       Address:
                                               -----------------------------

                                       Federal Tax ID Number:

                                       -------------------------------------

<PAGE>   8

                                   ASSIGNMENT

           (To be executed by the Registered Holder to effect transfer
                             of the within Warrant)

     For Value Received, _____________________________ hereby sells, assigns and
     transfers to ____________________________ this Warrant and the rights
     represented hereby to purchase Common Stock in accordance with the terms
     and conditions hereof, and does hereby irrevocably constitute and appoint
     _____________________ as attorney to transfer this Warrant on the books of
     the Company with full power of substitution.

     Date:                                  Signed:
          ----------------                         -----------------------------

     Please print or typewrite name         Please insert Social Security or
     and address of Assignee:               other Tax Identification Number of
                                            Assignee:

                                                       -     -
     ------------------------------         ----------- ----- ------------------

     ------------------------------

     ------------------------------

     ------------------------------

     THE SIGNATURE(S) TO THIS ASSIGNMENT MUST CORRESPOND WITH THE NAME AS
     WRITTEN UPON THE FACE OF THE WARRANT IN EVERY PARTICULAR, WITHOUT
     ALTERATION OR ENLARGEMENT, OR ANY CHANGE WHATSOEVER, AND SUCH SIGNATURE(S)
     MUST BE GUARANTEED IN ACCORDANCE WITH PRACTICES PREVAILING IN THE
     SECURITIES INDUSTRY AT THE TIME SUCH SIGNATURE IS PRESENTED TO THE COMPANY.

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