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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

    My last problem - the TRS80

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    trs80mess
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    • J
      JenGun @BuZz
      last edited by

      @buzz said in My last problem - the TRS80:

      As that makes me think upstream needs an automatic mode, which could be requested maybe

      Automatic media detection for a few use cases? Probably not ... :-)

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      • J
        JimmyFromTheBay @JenGun
        last edited by

        Swapping -flop1 in EMULATORS.CFG for -cass has got me to the OS, many thanks to all. Now when I type CLOAD the tape counter appears and runs, but nothing happens when it reaches the end :(

        Raspberry Pi 3b and 8GB Raspberry Pi 4, both running Retropie 4.7.1 installed from scratch using Raspberry Pi Imager, with wired keyboard, wireless mouse and double arcade joystick attached.

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        • J
          JenGun @JimmyFromTheBay
          last edited by

          @jimmyfromthebay said in My last problem - the TRS80:

          Now when I type CLOAD the tape counter appears and runs, but nothing happens when it reaches the end :(

          Loading programs from cassette was always a pain in the "old days" because it depended on various factors: volume of the recording and quality of the tape ... and mostly only succeeded by chance ... ;-)
          You can only load BASIC-programs with CLOAD, for programs in "machine-language" use SYSTEM ...
          Not all CAS-files of the internet will work in the emulator ... so please provide more details ...

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          • F
            Folly @JimmyFromTheBay
            last edited by Folly

            @jimmyfromthebay said in My last problem - the TRS80:

            Swapping -flop1 in EMULATORS.CFG for -cass has got me to the OS, many thanks to all. Now when I type CLOAD the tape counter appears and runs, but nothing happens when it reaches the end :(

            Don't know if it will work on TRS80 but with MSX you had to do :
            cload
            run

            You can try that.

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            • J
              JimmyFromTheBay @Folly
              last edited by

              @folly I don't get the command prompt back after the load.

              Raspberry Pi 3b and 8GB Raspberry Pi 4, both running Retropie 4.7.1 installed from scratch using Raspberry Pi Imager, with wired keyboard, wireless mouse and double arcade joystick attached.

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              • J
                JimmyFromTheBay @JenGun
                last edited by JimmyFromTheBay

                @jengun @jengun Okay, so I'm trying to load SeaDragon, as seen here:

                That video shows the game is loaded with SYSTEM followed by S, and if I do that then the tape spins up and loads for about four minutes. But after that nothing happens and I'm just left looking at this:

                seadragon.png

                I'm still getting nowhere with SDLTRS, so I'm using LR-MESS:

                lr-mess-trs-80-cass = "/home/pi/RetroPie-Setup/scriptmodules/run_mess.sh /opt/retropie/emulators/retroarch/bin/retroarch /opt/retropie/libretrocores/lr-mess/mess_libretro.so /opt/retropie/configs/trs-80/retroarch.cfg trs80m3 /home/pi/RetroPie/BIOS -cass %ROM%"
                
                

                I'm just hitting Enter when the "Cass?" and "Memory Size?" prompts come up. And as I said it's the CAS file from the most recent MAME softlist so hopefully it's not the file that's the problem.

                Raspberry Pi 3b and 8GB Raspberry Pi 4, both running Retropie 4.7.1 installed from scratch using Raspberry Pi Imager, with wired keyboard, wireless mouse and double arcade joystick attached.

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                • J
                  JenGun @JimmyFromTheBay
                  last edited by JenGun

                  @jimmyfromthebay said in My last problem - the TRS80:

                  And as I said it's the CAS file from the most recent MAME softlist so hopefully it's not the file that's the problem.

                  No idea which CAS-file MAME is using, but this works with SDLTRS in Model I-mode ... in Model III-mode you have to type L after Cass? to select 500 Baud to load and save tapes for the Model I ...

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                  • F
                    Folly @JenGun
                    last edited by

                    @jengun

                    You can only use .wav (cas files) with TRS-80 (trs80) on mame/lr-mess.

                    This is the output from mame :

                    pi@raspberrypi:~ $ /opt/retropie/emulators/mame/mame -listmedia trs80
                    SYSTEM           MEDIA NAME       (brief)    IMAGE FILE EXTENSIONS SUPPORTED
                    ---------------- --------------------------- -------------------------------
                    trs80            cassette         (cass)     .wav
                    
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                    • J
                      JenGun @Folly
                      last edited by

                      @folly said in My last problem - the TRS80:

                      You can only use .wav (cas files) with TRS-80 (trs80) on mame/lr-mess.

                      SDLTRS also supports WAV-files (mono) as cassette images, so that should work too ...

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                      • J
                        JimmyFromTheBay @JenGun
                        last edited by JimmyFromTheBay

                        @jengun said in My last problem - the TRS80:

                        No idea which CAS-file MAME is using, but this works with SDLTRS in Model I-mode ... in Model III-mode you have to type L after Cass? to select 500 Baud to load and save tapes for the Model I ...

                        Job done! That generated a flickering asterisk readout at top right, and got the command prompt back when the tape was finished, then I watched the video to find out you need to (bizarrely) type / to start the game.

                        Many thanks! Now I just need to get sound working...

                        Raspberry Pi 3b and 8GB Raspberry Pi 4, both running Retropie 4.7.1 installed from scratch using Raspberry Pi Imager, with wired keyboard, wireless mouse and double arcade joystick attached.

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                        • F
                          Folly @JimmyFromTheBay
                          last edited by Folly

                          @jimmyfromthebay

                          On the internet I see info of people using (binary files) :
                          CLOADM

                          You could try that.

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                          • J
                            JimmyFromTheBay @Folly
                            last edited by

                            I see / doesn't work for EVERY game, so time to do some Googling. But other than sound that's the emulator figured out now, which is the hardest bit :D

                            Raspberry Pi 3b and 8GB Raspberry Pi 4, both running Retropie 4.7.1 installed from scratch using Raspberry Pi Imager, with wired keyboard, wireless mouse and double arcade joystick attached.

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                            • J
                              JimmyFromTheBay @Folly
                              last edited by JimmyFromTheBay

                              @folly said in My last problem - the TRS80:

                              @jimmyfromthebay

                              On the internet I see info of people using (binary files) :
                              CLOADM

                              You could try that.

                              Yeah, I'm quite experienced with the Dragon/Coco so CLOADM was the first thing I tried, but I'll keep it in mind for other filetypes :)

                              Raspberry Pi 3b and 8GB Raspberry Pi 4, both running Retropie 4.7.1 installed from scratch using Raspberry Pi Imager, with wired keyboard, wireless mouse and double arcade joystick attached.

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                              • J
                                JenGun @JimmyFromTheBay
                                last edited by

                                @jimmyfromthebay said in My last problem - the TRS80:

                                Yeah, I'm quite experienced with the Dragon/Coco so CLOADM was the first thing I tried, but I'll keep it in mind for other filetypes :)

                                For these TRS-80 Models there is only CLOAD and SYSTEM ... no CLOADM ..

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                                • J
                                  JimmyFromTheBay @JenGun
                                  last edited by

                                  @jengun Is there any significance in the fact that the asterisk readout sometimes starts with a C rather than being all asterisks? Those seem to be the games that can't be started with /.

                                  Raspberry Pi 3b and 8GB Raspberry Pi 4, both running Retropie 4.7.1 installed from scratch using Raspberry Pi Imager, with wired keyboard, wireless mouse and double arcade joystick attached.

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                                  • F
                                    Folly @JimmyFromTheBay
                                    last edited by Folly

                                    @jimmyfromthebay

                                    You can convert and test things on :
                                    https://www.my-trs-80.com/cassette/

                                    I downloaded the manual of the model 3:
                                    If it asks for Cass ? press L or H for baudrate :
                                    You can press enter for the memory part
                                    then do CLOAD
                                    then do RUN

                                    Here you can test on the website :
                                    Press on C-1-1 and choose Emulator (reconstructed low speed) :
                                    2021-06-13-193000_1600x900_scrot-resized.png 2021-06-13-193013_1600x900_scrot-resized.png
                                    Type the commands and enter :
                                    2021-06-13-193049_1600x900_scrot.png2021-06-13-193102_1600x900_scrot.png

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                                    • J
                                      JimmyFromTheBay @Folly
                                      last edited by

                                      I've stumbled across the fact that sometimes you have to type a name rather than S. For example, for Meteor Mission 2, if you type METEOR the game then starts with /.

                                      I have no idea how you work out what the name should be, because Meteor Mission 2's filename is actually METEOR2.CAS, not METEOR.CAS, but at least it's a clue... :D

                                      Raspberry Pi 3b and 8GB Raspberry Pi 4, both running Retropie 4.7.1 installed from scratch using Raspberry Pi Imager, with wired keyboard, wireless mouse and double arcade joystick attached.

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                                      • F
                                        Folly @JimmyFromTheBay
                                        last edited by

                                        @jimmyfromthebay

                                        Never used these computers.
                                        Just learning too.
                                        I haven't used filenames yet.

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                                        • J
                                          JenGun @JimmyFromTheBay
                                          last edited by

                                          @jimmyfromthebay said in My last problem - the TRS80:

                                          @jengun Is there any significance in the fact that the asterisk readout sometimes starts with a C rather than being all asterisks? Those seem to be the games that can't be started with /.

                                          C means Checksum Error: In the "old days" this always happened shortly before the loading process was finished: some say that the emulator does this too ... ;-)

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                                          • J
                                            JimmyFromTheBay
                                            last edited by JimmyFromTheBay

                                            Oh, I'm getting the "Initializing" crash when I try to load DSK files - looks like I'm missing a BIOS somewhere, but the Retropie docs only list level1.rom to level4p.rom, which I have.

                                            (I have the NEWDOS disk, but no idea how to get the machine to boot with it.)

                                            Raspberry Pi 3b and 8GB Raspberry Pi 4, both running Retropie 4.7.1 installed from scratch using Raspberry Pi Imager, with wired keyboard, wireless mouse and double arcade joystick attached.

                                            1 Reply Last reply Reply Quote 0
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