Recover +3

RECOVER +3


by Alexandre Cunha


from Your Sinclair #29 (May 1988)


[files RECOVER3.*]





This is our first +3 utility and well useful it is too! You can use it


when you get into a fit with your computer and accidentally erase a file


from disk. Thanks go to Alexandre Cunha.





Method





As you can see, there are three main routines: old Hex Loader, the usual


Basic listing and a daunting chunk of Hex. Just use the Hex Loader to


pile in the chunk of Hex numbers and then type in the Basic listing.


Keep the Hex Loader on tape.





Recovering





Yes, I'm feeling much better thank you. Once you've typed in the


programs, Saved and Verified them, you Run the Basic and follow the


prompts to recover your files. If you've saved anything after acci-


dentally erasing, then don't be surprised if your file is corrupted. To


check whether Recover is working correctly, type in this example and


insert a new disk:





SAVE "a:exp1.exp"


SAVE "a:exp2.exp"


ERASE "a:*.exp"


CAT "a:*.exp"





Now run Recover and both files (exp1 and exp2) will re-appear.





Basic Listing





Yeah, pretty simple innit? Ha! Save this with SAVE "RECOVER1" LINE 60.





Machine Code





Save the program with SAVE "RECOVER2" CODE 30000,400; or if you want to


save it to disk then SAVE "rec.code" CODE 30000,400. ["rec.code" is an


invalid file name for disk; it should be "recover.cod" to match the name


expected in the Basic listing. JimG]