"converter.py" converts Atari BASIC listing line endings to PC format and vice-versa.
Atari Emulator: LIST "X:PROGRAM.BAS" to virtual disk/PC system
Convert the Atari line ending listing to CR LF version converter.py PROGRAM.BAS programPC.BAS --toPC
Edit programPC.BAS on PC
Convert CR LF to Atari line endings: converter.py programPC.BAS PROGAM.BAS --toAtari
Atari Emulator: ENTER "X:PROGRAM.BAS"
Save and run