Dragon and Tandy games doesnt works

[F0XHOUND]

Hi. 2 of the new systems added in Electron version seems dont work on a RBP3b.
I added the bios, the required bios roms are ok and emulator launch. Displays the OS screen and the game dont load and when trying to press hotkey+START to close it, it freezes and Recalbox must be power off manually.

Someone tryed to load this systems? Thanks