finally spent the time to test @r-type atari800 core. here are some quick notes.
- Load any atari800 or 5200 with Atari800 3.1.0 core. does not matter if your game does not work, we just need to be able to enter the menu.
- when game is loaded, press F1 (this is quick-menu, just cancel or press F1 again or whichever is your quickmenu hotkey) - this will show you Atari800 menu(use joystick/gamepad to navigate. On Xbox 360 controller. button B is OK while Y is back. if nothing is working, go to quick menu-Controls and choose ATARI Joystick for User 1 Device Type
- While im Menu, goto Emulator Configuration -> System ROM Settings then Find ROM images in a directory
- Locate your atari5200 and atari800 bios roms. these roms have to be uncompressed. -Atari400/800 - atariosb.rom -XL/XE - atarixl.rom -Basic - ataribas.rom -5200 - 5200.rom Once rom folders are set, press SPACEBAR to save location. 5.go back to Emulator Settings and then choose Save Configuration file.
- goto quick menu and close content.
- By this time, you can now play games. do note that the games has to be extracted and uncompressed too. You can use Load Content method in Retroarch. if you load a compressed rom, your game will not play and you are stuck in Self Test mode.
- When you do load a game, and see only black screen, just press Enter or OK on your gamepad.
BUG-after initial configuration, program seems not able to go to previous folder […], so using the Run Atari from menu is not usuable.
Tested on Windows 10 x64