Mini-Unix/usr/mdec/mcopy

	&	'p' for rp; 'k' for rk
	 k` pD7b
		disk offset
	J7D	tape offset
	0	b
	count
		H	
	
	 
	0 	Wp
`@	illegal digit
5PߋRTV`RߋRR	tape error
T`R`Rl
hf
\r
f
rv!rt@P
	ɋ	disk error