On 21 Sep 2010, at 12:20, Ralf Reköndt wrote: > From: "Marcel Kilgus" > Ralf Reköndt wrote: >>> Just to be sure, none of the trap #1 thing entry routines are >>> supported in SMSQ/E. Just the traditional HOT_REXT way of calling >>> them. >> Which makes me wonder, why these TRAPs are never included in SMSQ/E...? Just >> in SMS2? > >> That is one question only Tony could answer. I do remember however >> that I tried to simply enable the traps once and it didn't work. Not >> sure why, I didn't really investigate it IIRC. > > What's the difference between a genuine TRAP#1 Call and a HOT_REXT Call? >
A HOT_REXT call is done by a vector. You use the THING Thing (at the end of the Thing list) to find TH_ENTRY. Put TH_ENTRY ib A4, say, set the registers as for the Trap #1 call and do JSR (A4). George _______________________________________________ QL-Users Mailing List http://www.q-v-d.demon.co.uk/smsqe.htm
