Rana Systems Elite Series - Manual (Page 178)

ELITE SERIES USER MANUAL THEORY OF OPERATION
Function hits 0 and 1 determine the mode off the
controller:
Controller Mode Bit 1 Bit 0
Read From Disk 0 0
Sense Write Protect 0 1
Write To Disk 1 0
Load Data Byte (Write) 1 1
F i g . 7 - 5 : C o n t r o l l e r F u n c t i o n s
P a g e 7 - 1 5