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If you feel the provided auto-configuration could be better or has bugs, please open an issue and I'll take a look. Games support auto-configuration are listed in the src/gamedb/gamedb.json file, along with some information and the configuration required to play them.Ĭurrently, there's no way to change the auto-configuration settings short of recompiling the core after making the changes. Since configuring the core for each game can be a tedious task, 81-libretro now features auto-configuration. Copy the resulting 81_libretro.dll or 81_libretro.so into the cores folder of your libretro frontend.Compile 81-libretro with make -f Makefile.libretro.Save states are supported, but the format is likely to change when more machines are emulated.The p and the tzx formats are supported.A keyboard and a cursor joystick are configured and should work out-of-the-box.Time to Release Key in ms (500|1000|100|300): How many milliseconds to wait before releasing the key pressed using the keyboard overlay.Transparent Keyboard Overlay (enabled|disabled): If the keyboard overlay is transparent or opaque.Joypad button (up, down, left, right, a, b, x, y, l, r, l2, r2) mappings (auto|default|new line|shift|space|.|0|1|2|3|4|5|6|7|8|9|a|b|c|d|e|f|g|h|i|j|k|l|m|n|o|p|q|r|s|t|u|v|w|x|y|z): Maps a joypad button to a keyboard key, defaults are the cursor keys for the directional pad and '0' to all the other buttons.Sound emulation (auto|none|Zon X-81): Enables sound emulation.Video Presets (clean|tv|noisy): Change how the video is emulated (if Chroma 81 is enabled, the video is set to "clean" regardless of this option).Emulate Chroma 81 (auto|disabled|enabled): Enable the Chroma 81 interface.
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High Resolution (auto|none|WRX): Enables WRX high resolution.8K-16K Contents (ROM shadow|RAM|dK'tronics 4K Graphics ROM + 4K RAM): Selects the contents of memory addresses between 813, a shadow copy of the ROM, 8K of RAM, or dK'tronics 4K ROM plus 4K of RAM.Tape Fast Load (enabled|disabled): Instantly loads files if enabled, or disabled it to see the moving horizontal lines while the game loads.There are also many original games for the Zeddy, check Bob's Stuff for some high quality games.Ĭore Options - The only core option available on the frontend is: The classic ZX81 games are all over the Internet, but check the colorized folder for games with Chroma 81 support.It's being developed on Windows with MinGW (64 bits) and Debian 8, and tested on RetroArch 1.2 frontend. Miscellaneous drivers for lots of other hardwareĨ1-libretro is an work in progress port of the EightyOne (a.k.a.Sega System 1, System 16 (and similar), System 18, X-Board and Y-Board.Data East DEC-0, DEC-8 and DECO IC16 based games.In this case 1296/924=1.402597.Compatible: PS Vita & PlayStation TV (Vita TV) Then divide the two to get the aspect ratio. Open your screenshot in a photo editor and measure the width (with borders, if any) and height (without borders). Wait until gameplay so you can properly see the black borders and then take a screenshot. Make sure Settings / Video / GPU Screenshot Enable is set to on. (Please let me know if there is an easier way and I will update this guide). In this example I will be using R-Type Complete for the PC Engine CD. Here is a somewhat easy way to cut them away while keeping the aspect ratio… When done make sure to “Save Game Preset”.Ī lot of NEC PC Engine, Sony PlayStation and Sega Saturn games have black borders on top and/or bottom. Start messing with the Shader Parameters “Vertical Overscan %” and “Y Modifier” Load up the game again and load the image-adjustment shader. Where 1.413828 is from earlier made division.