Re: A92: learning assembly - real simple question


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Re: A92: learning assembly - real simple question




In a message dated 7/29/98 2:09:50 PM Eastern Daylight Time,
ADAMMAN106@aol.com writes:

> byte: 8 bits
>  word: 2 bytes: 16 bits
>  longword: 2 words: 4 bytes: 32 bits
>  
>  byte: 256 range
>  word: 65,536 range
>  longword:4,294,967,296 range

okay then, what is a lower word and an upper word?  if l did:
clr.w    D1
which clears the lower word of D1 then what would D1 look like?  how would l
clear the upper word?