Xerox 7240 Reference Manual page 28

Removable disk storage system
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Note: Verification does I
not include sector address 1
unti
I
after addressed
I
sector is found.
20
Programming Considerations
no
Set data byte count
equa
I
to zero.
Read next header.
Set verification error flag.
Prior to WRITE, READ,
and CHECKWRITE
Set appropriate
flag.
"'"'
yes
1 - - - - - - . . . i
U. E.
1-------~..i
,.,,,
Exit to READ, WRITE,
or CHECKWRITE.
Increment address
register by one sector.
Figure 11. Position Verfication

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