Intel INTELLEC Hardware Reference Manual page 100

T R A N S F E R RESULT
B Y T E TO I N T E L L E C BUS
A C K N O W L E D G E
I N T E L L E C BUS COMMAND
LOAD ' H E A D LOAD'
CONSTANT FOR
I N D E X HEAD UNLOAD
COUNT DOWN
JUMP TO
M L 0
Figure 6-5 READ RESULT BYTE
6-6