1           bool      TAPE.request_status,00
 2           bool      TAPE.reset_status,40
 3           bool      TAPE.request_device_status,50
 4           bool      TAPE.reset_device_status,51
 5           bool      TAPE.survey_devices,57
 6 
 7           bool      TAPE.read_control_registers,26
 8           bool      TAPE.write_control_registers,16
 9           bool      TAPE.set_file_protect,62
10           bool      TAPE.set_file_format,63
11           bool      TAPE.rewind,70
12 
13           bool      TAPE.tape_load,75
14           bool      TAPE.rewind_unload,72
15           bool      TAPE.reserve_device,66
16           bool      TAPE.release_device,67
17           bool      TAPE.set_200_bpi,64
18 
19           bool      TAPE.set_556_bpi,61
20           bool      TAPE.set_800_bpi,60
21           bool      TAPE.set_1600_bpi,65
22           bool      TAPE.forward_space_record,44
23           bool      TAPE.forward_space_file,45
24 
25           bool      TAPE.backspace_record,46
26           bool      TAPE.backspace_file,47
27           bool      TAPE.control_store_overlay,10
28           bool      TAPE.load_from_device,05
29           bool      TAPE.erase,54
30 
31           bool      TAPE.write_eof_record,55
32           bool      TAPE.write_tape_nine,13
33           bool      TAPE.read_tape_nine,03
34           bool      TAPE.write_binary_record,15
35           bool      TAPE.read_binary_record,05
36 
37           bool      TAPE.reread_binary_record,07
38           bool      TAPE.write_bcd_record,14
39           bool      TAPE.read_bcd_record,04
40           bool      TAPE.reread_bcd_record,06
41           bool      TAPE.write_ebcdic_record,34
42 
43           bool      TAPE.read_ebcdic_record,24
44           bool      TAPE.reread_ebcdic_record,37
45           bool      TAPE.read_ascii_record,27
46           bool      TAPE.write_ascii_ebcdic_record,35
47           bool      TAPE.read_ascii_ebcdic_record,25
48 
49           bool      TAPE.diagnostic_mode_control,31
50           bool      TAPE.main_memory_overlay,11