Subject shortint / short integer / 8-bit integer ?

using IB 6.01, I am trying to store an unsigned 8-bit integer (values
0-255) in the database.
I cannot figure out an easy way to do this - there is no SHORTINT type
or something like this, and domains with char(1) don't seem to work in
this case (when I put 0 in such a field, and retrieve it, I get the
ascii value of 48 which is not what I want).
Is there a solution? (I have searched previous postings and the
Internet, without success).

Any help would be appreciated,

Georg Ritter