eebb-f0bc
remove jsr f0a4 from casette routine at f88a
remove jsr f0a4 from serial listen at ed0e
513 bytes

f1b8-f1c8
16 bytes

f409-f480
119 bytes

fec2-ff47	rs232
113 bytes

739 bytes overall (exclusive 3 bytes per chunk for jmp around unremoveable code)