SECURITIES AND EXCHANGE COMMISSION
                              Washington, DC 20549

                                  SCHEDULE 13G
                                 (Rule 13d-102)

             INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT
           TO RULES 13d-1(b)(c), AND (d) AND AMENDMENTS THERETO FILED
                            PURSUANT TO RULE 13d-2(b)
                               (Amendment No. 1 )(1)

                            Comstock Resources, Inc.
- -------------------------------------------------------------------------------
                                (Name of Issuer)

                                  Common Stock
- -------------------------------------------------------------------------------
                         (Title of Class of Securities)

                                    205768203
- -------------------------------------------------------------------------------
                                 (CUSIP Number)

                                   06/30/1999
- -------------------------------------------------------------------------------
             (Date of Event Which Requires Filing of this Statement)


Check the appropriate box to designate the rule pursuant to which this Schedule
is filed:

         /X/      Rule 13d-1(b)

         / /      Rule 13d-1(c)

         / /      Rule 13d-1(d)


- -------------------------------
(1)  The remainder of this cover page shall be filled out for a reporting
     person's initial filing on this form with respect to the subject class of
     securities, and for any subsequent amendment containing information which
     would alter the disclosures provided in a prior cover page.

     The information required in the remainder of this cover page shall not be
     deemed to be "filed" for the purpose of Section 18 of the Securities
     Exchange Act of 1934 or otherwise subject to the liabilities of that
     section of the Act but shall be subject to all other provisions of the Act
     (however, SEE the NOTES).




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

CUSIP No. 205768203               13G                Page 2 of 8 Pages
         ---------                                   --------------------------
- -------------------------------------------------------------------------------
1. NAMES OF REPORTING PERSONS
   I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)
               The TCW Group, Inc.
- -------------------------------------------------------------------------------
2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*       (a)   / /
                                                           (b)   /X/
- -------------------------------------------------------------------------------
3. SEC USE ONLY

- -------------------------------------------------------------------------------
4. CITIZENSHIP OR PLACE OF ORGANIZATION
               Nevada corporation
- -------------------------------------------------------------------------------
NUMBER OF SHARES      5. SOLE VOTING POWER
BENEFICIALLY                   -0-
OWNED BY              ---------------------------------------------------------
EACH REPORTING        6. SHARED VOTING POWER
PERSON WITH                    5,000,000
                      ---------------------------------------------------------
                      7. SOLE DISPOSITIVE POWER
                               -0-
                      ---------------------------------------------------------
                      8. SHARED DISPOSITIVE POWER
                               5,000,000
- -------------------------------------------------------------------------------
9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
               5,000,000
- -------------------------------------------------------------------------------
10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
                                                                            / /
- -------------------------------------------------------------------------------
11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
    17.0%(see response to Item 4)
- -------------------------------------------------------------------------------
12. TYPE OF REPORTING PERSON*
               HC/CO
- -------------------------------------------------------------------------------





CUSIP No. 205768203               13G                 Page 3 of 8 Pages
          ---------                                  --------------------------
- -------------------------------------------------------------------------------
1. NAMES OF REPORTING PERSONS
   I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)
               Robert Day
- -------------------------------------------------------------------------------
2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*          (a)   / /
                                                              (b)   /X/
- -------------------------------------------------------------------------------
3. SEC USE ONLY

- -------------------------------------------------------------------------------
4. CITIZENSHIP OR PLACE OF ORGANIZATION
               United States Citizen
- -------------------------------------------------------------------------------
NUMBER OF SHARES           5. SOLE VOTING POWER
BENEFICIALLY                       -0-
OWNED BY                   ----------------------------------------------------
EACH REPORTING             6. SHARED VOTING POWER
PERSON WITH                        5,000,000
                           ----------------------------------------------------
                           7. SOLE DISPOSITIVE POWER
                                   -0-
                           ----------------------------------------------------
                           8. SHARED DISPOSITIVE POWER
                                   5,000,000
- -------------------------------------------------------------------------------
9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
               5,000,000
- -------------------------------------------------------------------------------
10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
                                                                            / /
- -------------------------------------------------------------------------------
11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
    17.0%(see response to Item 4)
- -------------------------------------------------------------------------------
12. TYPE OF REPORTING PERSON*
               HC/IN
- -------------------------------------------------------------------------------




                                                               Page 4 of 8 Pages


Item 1(a).         Name of Issuer:

                   Comstock Resources, Inc.

Item 1(b).         Address of Issuer's Principal Executive Offices:

                   5005 LBJ Freeway, Suite 1000
                   Dallas, TX 75244

Item 2(a).         Name of Persons Filing:
Item 2(b) .        Address of Principal Business Office, or if None, Residence:
Item 2(c).         Citizenship:

                   The TCW Group, Inc.
                   865 South Figueroa Street
                   Los Angeles, CA 90017
                   (Nevada Corporation)

                   Robert Day
                   200 Park Avenue, Suite 2200
                   New York, New York 10166
                   (United States Citizen)

Item 2(d).         Title of Class of Securities:

                   Common Stock

Item 2(e).         CUSIP Number:

                   205768203




                                                               Page 5 of 8 Pages

Item 3.   If This Statement Is Filed Pursuant to Rule 13d-1(b), or 13d-2(b)
          or (c), Check Whether the Person Filing is a:

          (a)       / / Broker or dealer registered under Section 15 of the
                        Exchange Act.

          (b)       / / Bank as defined in Section 3(a)(6) of the Exchange Act.

          (c)       / / Insurance company as defined in Section 3(a)(19) of the
                        Exchange Act.

          (d)       / / Investment company registered under Section 8 of the
                        Investment Company Act.

          (e)       / / An investment adviser in accordance with Rule
                        13d-1(b)(1)(ii)(E).

          (f)       / / An employee benefit plan or endowment fund in accordance
                        with13d-1(b)(1)(ii)(F).

          (g)       /X/ A parent holding company or control person in accordance
                        with Rule 13d-1(b)(1)(ii)(G).

                            (SEE Item 7)
                            The TCW Group, Inc.
                            Robert Day (individual who may be deemed to control
                              The TCW Group, Inc. and other entities which hold
                              the Common Stock of the issuer)

          (h)       / / A savings association as defined in Section 3(b) of the
                        Federal Deposit Insurance Act.

          (i)       / / A church plan that is excluded from the definition of an
                        investment company under Section 3(c)(14) of the
                        Investment Company Act.

          (j)       / / Group, in accordance with Rule 13d-1(b)(1)(ii)(J).
          If this statement is filed pursuant to Rule 13d-1(c),
          check this box. / /




                                                               Page 6 of 8 Pages
Item 4.   Ownership **

          The TCW Group, Inc.
          ------------------
          (a)       Amount beneficially owned: 5,000,000****
          (b)       Percent of class: 17.0%
          (c)       Number of shares as to which such person has:
                    (i)       Sole power to vote or to direct the vote: none.
                    (ii)      Shared power to vote or to direct the vote:
                              5,000,000
                    (iii)     Sole power to dispose or to direct the disposition
                              of: none.
                    (iv)      Shared power to dispose or to direct the
                              disposition of: 5,000,000

          Robert Day ***
          --------------
          (a)       Amount beneficially owned: 5,000,000****
          (b)       Percent of class: 17.0%
          (c)       Number of shares as to which such person has:
                    (i)       Sole power to vote or to direct the vote: none.
                    (ii)      Shared power to vote or to direct the vote:
                              5,000,000
                    (iii)     Sole power to dispose or direct the disposition
                              of: none.
                    (iv)      Shared power to dispose or to direct the
                              disposition of: 5,000,000



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

*         The filing of this Schedule 13G shall not be construed as an admission
          that the reporting person or any of its affiliates is, for the purpose
          of Section 13(d) or 13 (g) of hte Securities Exchange Act of 1934, the
          beneficial owner of any securities covered by this Schedule 13G. In
          addition, the filing of htis Schedule 13G shall not be construed as an
          admission that the reporting person or any of its affiliates is hte
          beneficial owner of any securities covered by this Schedule 13G for
          any other purposes than Section 13(d) of the Securities Exchange Act
          of 1934.

**        Shares reported for Robert Day include shares reported for The TCW
          Group, Inc.

****      Represents 5.000,000 shares that would be derived from the conversion
          of $2,000,000 face amount of Series A 1999 9.00% Convertible Preffered
          Stock maturing March 31, 2002, held indirectly by the reporting
          persons.




                                                               Page 7 of 8 Pages
Item 5.   Ownership of Five Percent or Less of a Class.

          If this statement is being filed to report the fact that as of the
          date hereof the reporting person has ceased to be the beneficial
          owner of more than five percent of the class of securities, check
          the following / /.

Item 6.   Ownership of More than Five Percent on Behalf of Another Person.

          Various persons other than as described in Item 4, including the
          TCW Debt & Royalty Fund VI, have the right to receive or the power
          to direct the receipt of dividends from, or the proceeds from the
          sale of, the Common Stock of Comstock Resources, Inc.

Item 7.   Identification and Classification of the Subsidiary Which Acquired the
          Security Being Reported on by the Parent Holding Company.

          SEE Exhibit A.

Item 8.   Identification and Classification of Members of the Group.

          Not applicable.  SEE Exhibits A and B.

Item 9.   Notice of Dissolution of Group.

          Not applicable.

Item 10.  Certification.

          Because this statement is filed pursuant to Rule 13d-1(b), the
          following certification is included:

          By signing below I certify that, to the best of my knowledge and
          belief, the securities referred to above were acquired in the ordinary
          course of business and were not acquired and are not held for the
          purpose of or with the effect of changing or influencing the control
          of the issuer of the securities and were not acquired and are not held
          in connection with or as a participant in any transaction having that
          purpose or effect.




                                                               Page 8 of 8 Pages
                                    SIGNATURE


             After reasonable inquiry and to the best of my knowledge and
belief, I certify that the information set forth in this statement is true,
complete and correct.


Dated this 9th day of July, 1999.


                                          The TCW Group, Inc.
                                          By: /s/ Susan Marsch
                                             ----------------------------------
                                             Susan Marsch
                                             Authorized Signatory




                                          Robert Day
                                          By: /s/ Susan Marsch
                                             ----------------------------------
                                             Susan Marsch
                                             Under  Power of  Attorney  dated
                                             March 31, 1999,   on  File  with
                                             Schedule  13G  for Hibbett
                                             Sporting Goods, Inc. dated
                                             April 8, 1999.




                                    EXHIBIT A


                 RELEVANT SUBSIDIARIES OF PARENT HOLDING COMPANY

PART A: TCW ENTITIES

PARENT HOLDING COMPANY:

          The TCW Group, Inc.

          Robert Day (an individual who may be deemed to control The TCW Group,
          Inc.)


RELEVANT SUBSIDIARIES THAT ARE PERSONS DESCRIBED IN RULE 13d-1(b):

          (i)       TCW Asset Management Company, a California corporation and
                    an Investment Adviser registered under Section 203 of the
                    Investment Advisers Act of 1940.

Note:     No Common Stock of Comstock Resources, Inc. is held directly by The
          TCW Group, Inc. Other than the indirect holdings of The TCW Group,
          Inc., no Common Stock of Comstock Resources, Inc. is held directly or
          indirectly by Robert Day, an individual who may be deemed to control
          The TCW Group, Inc.

PART B: NON TCW ENTITIES

PARENT HOLDING COMPANY:

          Robert Day (an individual who may be deemed to control the entities
          described below which are not subsidiaries of The TCW Group, Inc.)

RELEVANT SUBSIDIARIES THAT ARE PERSONS DESCRIBED IN RULE 13d-1(b):

          Oakmont Corporation, a California corporation and an Investment
          Adviser registered under Section 203 of the Investment Advisers Act of
          1940.




                                    EXHIBIT B

                             JOINT FILING AGREEMENT


          The undersigned acknowledge and agree that the foregoing statement on
Schedule 13G is filed on behalf of each of the undersigned and that all
subsequent amendments to this statement on Schedule 13G shall be filed on behalf
of each of the undersigned without the necessity of filing additional joint
acquisition statements. The undersigned acknowledge that each shall be
responsible for the timely filing of such amendments, and for the completeness
and accuracy of the information concerning him or it contained therein, but
shall not be responsible for the completeness and accuracy of the information
concerning the other, except to the extent that he or it knows or has reason to
believe that such information is accurate.


Dated this 9th day of July, 1999.

                                          The TCW Group, Inc.
                                          By: /s/ Susan Marsch
                                              ---------------------------------
                                             Susan Marsch
                                             Authorized Signatory




                                          Robert Day
                                          By: /s/ Susan Marsch
                                              ---------------------------------
                                              Susan Marsch
                                              Under  Power of  Attorney  dated
                                              March 31, 1999,  on File with
                                              Schedule  13G  for Hibbett
                                              Sporting Goods, Inc. dated
                                              April 8, 1999.