DF5EN
Pretty exotic setup, isn't it? TR4W+MMTTY in Wine/Debian Linux. MMTTY then controls the TS-850S in real FSK. AFSK audio input then as normal via the sound card. But this is not a universal solution.
_a
DO3OI QRP Labs QDX, EFHW, Portabel in POTA DE-0534
_b
DO3OI QRP Labs QDX, EFHW, Portabel in POTA DE-0534