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    Please do not post a support request without first reading and following the advice in https://retropie.org.uk/forum/topic/3/read-this-first

    How do you organise romsets? MAME and (in particular) consoles

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    romsgenesisnesmanagement
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    • AndersHPA
      AndersHP @rbaker
      last edited by AndersHP

      @rbaker Thanks for the links. I read them, but still:

      I read everywhere, including the first sticky you link to, that for RetroPie users, mame2003 0.78 is preferred, as well as FBA.

      Sorry if I'm being pedantic here, but if I use a 0.111 romset to generate my 0.78 romset, and have to use lr-mame2010 (which Github states as "experimental") or advmame to run it, how is it still the recommended 0.78 mame2003 solution?

      Or let me rephrase; do you know why mame2003 0.78 is recommended if you made a fully working romset for a 0.111 romset playing on lr-mame2010, using the 0.78 dat file?

      Also; if we're straying from the recommendations of the 2003 romsets, then why not go all-in and use something newer that 0.111?

      My "Bubble Bobble" Themed Bartop Arcade
      My Gameboy

      rbakerR 1 Reply Last reply Reply Quote 0
      • rbakerR
        rbaker @AndersHP
        last edited by rbaker

        @AndersHP You have got completely confused. You cannot use a 0.78 set on lr-mame2010. You do not have to use lr-mame2010. You are simply using a newer set of roms and a dat file for 0.78 to generate a 0.78 set that can be used in lr-mame2003. I use lr-mame2003. I use a 0.78 set that I created myself by applying the 0.78 dat file to a full set of 0.111 mame roms in Crlrmamepro.

        So (0.111 set + 0.78 Dat lite)+Clrmamepro = 0.78 set for use in lr-mame2003.

        So in an attempt to unpick your confusion:

        I read everywhere, including the first sticky you link to, that for RetroPie users, mame2003 0.78 is preferred

        I agree and use it.

        but if I use a 0.111 romset to generate my 0.78 romset

        Yes, you can use a 0.111 romset or any other set that is verifed as being > 0.78 to generate a full 0.78 set.

        and have to use lr-mame2010

        This is the line that confuses me most. Why do you think that you now need to use this emulator?

        do you know why mame2003 0.78 is recommended if you made a fully working romset for a 0.111 romset playing on lr-mame2010, using the 0.78 dat file?

        Now i'm in trouble. I have not "made a fully working romset for a 0.111 romset playing on lr-mame2010" - this line makes no sense to me. I have taken a set of roms verified to be 0.111. I have applied the 0.78 dat file to the set using clrmamepro. Once complete, I have a folder on my desktop which now contains a 0.78 set that i can now use in lr-mame2003.

        if we're straying from the recommendations of the 2003 romsets

        We are not. I use the 0.78 2003 romsets. I just happened to have a 0.111 set in full. No need to go searching for a 0.78 set when the dat file allows you to generate any set of your choice.

        I hope that is a bit clearer?

        1 Reply Last reply Reply Quote 1
        • AndersHPA
          AndersHP @rbaker
          last edited by AndersHP

          Sorry for the confusion.

          @rbaker said in How do you organise romsets? MAME and (in particular) consoles:

          You would use newer rom sets with lr-mame2010 or advmame. You cannot use newer roms with lr-mame2003.

          In my mind, a 0.111 romset is newer than 0.78, so that's what I gathered from what you wrote.
          Damn, communication can be hard!

          So what you say is that it's the DAT file that makes the romset version?

          My "Bubble Bobble" Themed Bartop Arcade
          My Gameboy

          rbakerR 2 Replies Last reply Reply Quote 0
          • rbakerR
            rbaker @AndersHP
            last edited by

            @AndersHP said in How do you organise romsets? MAME and (in particular) consoles:

            In my mind, a 0.111 romset is newer than 0.78

            It is newer, that is my point. What do you mean? You use it to create an older set by using the dat file. That is the purpose of the dat files. At this point I am thinking that you might not understand that some rom files in a set never change over the years but some do. Just because it is a newer set, doesn't mean that you somehow create a newer "0.78" that requires some newer emulator.

            1 Reply Last reply Reply Quote 0
            • rbakerR
              rbaker @AndersHP
              last edited by

              @AndersHP

              So what you say is that it's the DAT file that makes the romset version?

              Yes, you pick a dat file and so long as you have a newer reference set than the one you want, you can use clrmamepro to generate it.

              1 Reply Last reply Reply Quote 0
              • AndersHPA
                AndersHP
                last edited by AndersHP

                @rbaker OK, so why use a 0.111 romset? I should just use my brand new FBA 0.2.97.39 romset with the 0.78 DAT file?

                There's no reason for anyone to download other than the latest MAME romsets, as long as the DAT files of all the different romsets are available?

                My "Bubble Bobble" Themed Bartop Arcade
                My Gameboy

                rbakerR 1 Reply Last reply Reply Quote 0
                • rbakerR
                  rbaker @AndersHP
                  last edited by

                  @AndersHP said in How do you organise romsets? MAME and (in particular) consoles:

                  so why use a 0.111 romset?

                  I already said that I just happend to have it.

                  There's no reason for anyone to download other than the latest MAME romsets

                  Well it's massive. Huge. Much better to download a verified 0.78 set if you have no sets. Some people are not comfortable with clrmame pro. My point is that before I started the download of a 0.78 reference set, I decided to grab the dat file and follow the video. It worked for me. So now, no need to grab the 0.78 set.

                  I should just use my brand new FBA 0.2.97.39 romset

                  No because it's FBA, not MAME. I have downloaded that set for use with FBA, in particular Neo-geo and CPS. Yes, there are similarities but MAME supports some games that FBA doesn't and vice versa. It could work but it might not. I certainly wouldn't spend time trying that.

                  AndersHPA 1 Reply Last reply Reply Quote 0
                  • AndersHPA
                    AndersHP @rbaker
                    last edited by AndersHP

                    @rbaker OK, thanks for the clarifications. I will continue what I'm doing, and consider getting a newer set if many ROMS don't work, and still use the 0.78 Lite DAT. So far I've not tested that much but everything has worked, actually. But essentially, the newer, the greater chance of bugfixes or something like that, right? Even though I'm using the 0.78 DAT.

                    On another note: are you saying that all of your MAME games work? Even those in the compatibility lists on Github that's marked with red? Or have you not tested these?

                    My "Bubble Bobble" Themed Bartop Arcade
                    My Gameboy

                    1 Reply Last reply Reply Quote 0
                    • dankcushionsD
                      dankcushions Global Moderator
                      last edited by

                      if you wanted to downgrade a newer or current mame romset to an ancient mame romset (like mame 0.78) then it probably will give poor results unless you also have the corresponding downgrade pack (or whatever they're called). 13 years or mame changes make things tricky.

                      IMO if you're rebuilding romsets then you have already messed up. just download the right set. they're very available.

                      (unless like @rbaker you happen to have a close set like 0.111, then you're maybe ok)

                      1 Reply Last reply Reply Quote 0
                      • RionR
                        Rion
                        last edited by

                        This post is deleted!
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                        • AndersHPA
                          AndersHP @rbaker
                          last edited by

                          @dankcushions said in How do you organise romsets? MAME and (in particular) consoles:

                          IMO if you're rebuilding romsets then you have already messed up. just download the right set. they're very available.

                          (unless like @rbaker you happen to have a close set like 0.111, then you're maybe ok)

                          @rbaker said in How do you organise romsets? MAME and (in particular) consoles:

                          you need a set newer than 0.78 to reliably generate a 0.78 set from it.

                          So..... ... ? I'll just stick with my initial plan, I guess...

                          My "Bubble Bobble" Themed Bartop Arcade
                          My Gameboy

                          rbakerR 1 Reply Last reply Reply Quote 0
                          • rbakerR
                            rbaker @AndersHP
                            last edited by

                            @AndersHP said in How do you organise romsets? MAME and (in particular) consoles:

                            you need a set newer than 0.78 to reliably generate a 0.78 set from it.

                            My knowledge stops with the tutorial video. The commentary from @herb_fargus was helpful in suggesting this.

                            1 Reply Last reply Reply Quote 0
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