systems:cassettevision [Batocera.linux

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====== Cassette Vision ======

The Cassette Vision is a console developed by Epoch. It was released in 1981.  It was one of the first Japanese consoles with interchangeable cartridges, but included a full CPU in each cartridge --- the console base was mostly buttons and wires.

The Cassette Vision Jr (1983) used the same software, but dropped the paddle controls.

[[https://github.com/W88DodPECuThLOl/PD777|PD777]] by W88DodPECuThLOl is a Cassette Vision emulator.  [[https://github.com/mittonk/PD777|libretro: pd777]] is a libretro port.

This system scrapes metadata for the "cassettevision" group(s) and loads the ''cassettevision'' set from the currently selected theme, if available.
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==== Quick reference ====

  * **Emulator:** [[#retroarch|RetroArch]]
  * **Core:** [[#libretro:_pd777|libretro: pd777]]
  * **Folder:** ''/userdata/roms/cassettevision''
  * **Accepted ROM formats:** ''.zip'', ''.bin777''

===== BIOS =====

No Cassette Vision emulator in Batocera needs a BIOS file to run.

===== ROMs =====

Place your Cassette Vision ROMs in ''/userdata/roms/cassettevision''.

ROM file handling is slightly awkward because of the two-file ROM format.

  - Zip-files (bundling one ''.bin777'' and one ''.ptn777'') are supported.
  - Supply a ''.bin777'' file to load; the core looks for a similarly-named ''.ptn777'' file in the same directory.

There is not yet a suitable single-file format for the Cassette Vision. If ROM loading fails, the core will run a built-in balloon demo, as in standalone emulator.
===== Emulators =====

==== RetroArch ====

RetroArch has [[emulators:retroarch|its own page]].


=== libretro: pd777 ===

== libretro: pd777 configuration ==

^ ES setting name ''batocera.conf_key'' ^ Description => ES option ''key_value'' ^
^ Settings that apply to all systems this core supports ||
| **ANNOUNCE COURSE SWITCH ''global.cassettevision_announce_course_switch''** | Show the new setting of the Course Select Switch when changing it with up/down buttons.\\ => Off ''disabled'', On ''enabled''. |


===== Controls =====

Here are the default Cassette Vision's controls shown on a [[:configure_a_controller|Batocera RetroPad]]:

{{https://raw.githubusercontent.com/batocera-linux/batocera-controller-overlays/master/solid-4k/cassettevision.png}}

===== Troubleshooting =====
==== "Pattern file not found or damaged" ====
PD777 uses a two-file ROM image, which can be zipped together.  Start the emulator pointed at the ZIP-file or .bin777 file, and it will try to find the .ptn777 file starting from there.

You can use the known-good homebrew game (by W88DodPECuThLOl, the author of the emulator) at
  * [[https://github.com/W88DodPECuThLOl/PD777supplement/tree/main/sample/NekkoRis/obj|NekkoRis]]
to test your ROM naming and placement.
==== Further troubleshooting ====

For further troubleshooting, refer to the [[:support|generic support pages]].