On 23 May 2012, at 13:24, Norman Dunbar wrote: > > On 23/05/12 12:52, Ian Pine wrote: >> Damn damn damn ... >> >> ... because I forgot that on m68k CPUs the MOVE instructions alter the flags >> ... > > Well, it does alter the flags, unless: > > * You specifically use the MOVEA instruction; or > > * You specify MOVE with an address register as the destination AND your > assembler quietly converts the MOVE to MOVEA. > > Just to make things "interesting". >
Just for fun. MOVE USP,An, MOVE An.USP MOVE SR,<ea> and MOVEC Rc,Rn also leave the condition codes alone. George _______________________________________________ QL-Users Mailing List http://www.q-v-d.demon.co.uk/smsqe.htm
