In a message dated 96-09-07 00:21:10 EDT, engelr@BGNET.BGSU.EDU (Robert Engel) writes: << > The ROM was only designed to address 32k of RAM... If you want to write a > new ROM for your calculator, go ahead... =) So the Read Only Memory is accessing the RAM? gee... I thought the CPU accessed the memory... Robert >> i think he was trying to say that the OS in the rom was only designed to access the 32k available... don't ask me though :)