&00 Start code ptr (OS_Module Run or Enter)
&04 Init code ptr
&08 Finalisation code ptr
&0C Service call handler ptr
&10 Title ptr
&14 Help string ptr
&18 Help & command keyword table ptr
&1C SWI chunk base no. (Optional)
&20 SWI handler ptr (Opt.)
&24 SWI decoding table ptr (Opt.)
&28 SWI decoding code ptr (Opt.)