Bitfields for REAL/32 secondary flags:
Bit(s)	Description	)
 0	suspend when in background
 1	???
 2	in foreground
 3	enable APPEND processing on file opens
 4	Ctrl-C was typed
 5	Ctrl-C will reset disk system
 6	OK to read locked record
 7	???
 8	do not perform banking
SeeAlso: #04026,#04028