George, Many thanks. That does look more like it.
Another silly question ... where can I get hold of C68 v5 Beta? Adrian www.memorylanecomputing.com > -----Original Message----- > From: [email protected] [mailto:[email protected] > d.com] On Behalf Of George Gwilt > Sent: 05 January 2012 15:24 > To: [email protected] > Subject: Re: [Ql-Users] C68 "datamodel=small" Question > > > On 3 Jan 2012, at 19:30, Memory Lane Computing Ltd wrote: > > > > > Is there anyone out there with experience of using C68 (v4.24f) with > > the compile-time switch -datamodel=small? > > > > I have been looking at the code generated with this option (which is > > supposed to generate 16 bit displacements against a base register) and > > all the offsets are 0 ... which, of course, means that the code > > doesn't work because every variable has the "address" of 0(a5)! > > > > I'm hoping that this is just something simple and stupid that I've missed. > > btw The code is not linking any of the standard libraries, and I have > > read the warning about being very careful with this setting in the > documentation. > > > > Any suggestions? > > I have tried a program using C68 v5.0 beta. Without datamodel=S one > instruction is: > > MOVE.L #_this+1,D3 > > With -datamodel=S the instruction becomes: > > LEA _this-.Xdata(A5),A0 > ADDQ.W #1,A0 > MOVE.L A0,D3 > > The first assembly has > > _this DS.B 66 > > > The second assembly has > > _this DS.B 66 > XREF .Xdata > > > The suggestion thus is to use C68 v5.0 > > George > _______________________________________________ > QL-Users Mailing List > http://www.q-v-d.demon.co.uk/smsqe.htm _______________________________________________ QL-Users Mailing List http://www.q-v-d.demon.co.uk/smsqe.htm
