Help converting DS1993 to DS2433+

Help converting DS1993 to DS2433+

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Hey All

I found this code http://www.picbasic.org/forum/showth...hlight=ibutton
on proton forum for ibutton DS1993 and having checked out the datasheet i found it is very similar to the DS2433+ which i already have.

Here is the link for the DS2433+
http://datasheets.maxim-ic.com/en/ds/DS2433.pdf

and here for the DS1993
http://www.maxim-ic.com/quick_view2.cfm?qv_pk=2831


i have ordered a couple of DS1993 which i should get in the next week but in the main time i have a couple of DS2433+ and from the data sheet the memory maps are the same but when i run the program the value displayed for the eeprom memory does not change even when i change this ie changing B1 to $FF dont make a difference.
HHHHHHEEEEELLLLLLLPPPPP

Regards
Isaac