I wouldn't be at all surprised. There is an MS-DOS compatible ROM OS still sold today: https://www.tuxera.com/products/rom-dos/ https://www.tuxera.com/product

I wouldn't be at all surprised. There is an MS-DOS compatible ROM OS still sold today: https://www.tuxera.com/products/rom-dos/ https://www.tuxera.com/products/rom-dos/