Disk Patch (Tf); What This Utility Does; Howtouseit - IBM Series/1 User Manual

Disk Patch (TF)
WHAT THIS UTILITY DOES
HOW TO USE IT
6-14 GC34-0070
This utility applies a patch which you enter at the operator station to a specified area on
the disk.
Press the LOAD key. Mter the EXEC= message is printed at the operator station, enter
either TF or the starting sector address (ccchss) of this utility. When it is loaded, the
utility issues this message:
l'FOOOIDlSKPATC8 .
STAR.TED
The utility issues this prompt for the location on the disk you want to patch:
TF200A PATCH AREA=
Enter the requested information in the following form:
ddd,ccchss,bb b,nnn
where:
ddd the disk device address in decimal in the range 0-255
ccchss
bbb
= the sector address of the area to be patched
nnn
the byte displacement in decimal, within the sector, where you want
the patch to start
the number of bytes you want displayed for verification before the
patch
is
applied
This number must not exceed 256. All bytes printed for verification
must be within the boundaries of the sector you specified; that is,
the sum ofbbb
+
nnn must be less than 257.
If there are no errors, the utility prints the bytes that you requested for verification and
then prints this prompt on the next line:
TF201A REPLACEMENT
DATA~
If the bytes printed for verification do not begin with the bytes you want to patch, enter
this response:
The utility responds with:
TFOOll DISI{ PATCH COMPLETED
(