LGP-21 orders		LGP-30 differences
	operand		operand
Z	0, 100	Stop	0	Stop
Z	0200, 0300	no operation		not available
Z	4, 8, 16, 32	Skip if any BS n off		not available
-Z	0, 4, 8, 16, 32	Skip if any BS n off .OR. oflo off		not available
B	m	Bring		same as LGP-21
Y	m	Store address		same as LGP-21
R	m	Set return address		same as LGP-21
I	device	Input 6 bits	0	Input 6 bits
-I	device	Input 4 bits	0	Input 4 bits
I	6200	Shift left 6		not available
-I	6200	Shift left 4		not available
D	m	Divide		same as LGP-21
N	m	Multiply: save right		same as LGP-21
M	m	Multiply: save left		same as LGP-21
P	0	Start reader		same as LGP-21
P	device	Print 6 bits of ACC	char	Print 6 bits of order
-P	device	Print 4 bits of ACC	char	Print 4 bits of order
E	n	Extract		same as LGP-21
U	m	Uncond. transfer		same as LGP-21
T	m	Transfer if -ACC		same as LGP-21
-T	m	Transfer if -ACC .OR. TC		same as LGP-21
H	m	Hold		same as LGP-21
C	m	Store and clear ACC		same as LGP-21
A	m	Add		same as LGP-21
S	m	Subtract		same as LGP-21