2 / Do a read check on all sectors. Header words should be checked in all
3 / sectors except 0. 0 probably missed since won't be first after seek
4 / To run start at 0200 with SR9-11 with drive number to test
5 / Program will halt on error, hit continue to go on to next sector.
6 / If the switch register is not zero at the end of a pass the program
32 AND K6 / Clear out high bits such as 0200 start address