File list (Check if you may need any files):
UTILS.C
BUFFER.H
CHOICE.C
CHOICE.H
CONTROL.C
CONTROL.H
FILES.C
FILES.H
HELP.C
HELP.H
MUSC.C
MUSC.ETM
MUSC.H
OFFSET.C
OFFSET.H
PC86.C
PC86.H
PC86_D.H
POHLY_D.H
RX.C
RX.H
SETTINGS.H
STATINT.C
STATINT.H
TOHOST.C
TOHOST.H
TX.C
TX.H
TXRX.C
TXRX.H
TXRX_D.H
USC.C
USC.H
USC_D.H
USC1.C
USC1.ETM
USC1.H
USC1.TXT
USC2.C
USC2.ETM
USC2.H
USCASYN.C
USCASYN.H
USC-AT.C
USC-AT.EXE
USC-AT.MAK
USC-AT.MAP
USC-AT.TXT
USCBCR.C
USCHDLC.C
USCHDLC.H
USCINI.C
USCIO.C
USCIO.H
BUFFER.C
UTILS.H