Re: how to decide the value of SF


<spamtrap@xxxxxxxxxx> wrote in message
news:1161530555.058192.245010@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
if sub ax,ax(two numbers compared,the resulst is neither a plus nor
a negative )
how to determine the value of SF?
thanks for your help...


If it is not a negative number, the sign flag will not be set. If it
is neither a positive or negative number, then the number must be zero.
Ratch

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