George Gwilt wrote:
> I have never before used this trap but have just now tried it out. It
> appears that you have to put the return address on the (user) stack
> before Trap #1 otherwise the return is to whatever happens to be on
> the user stack which can be rather nasty.
Yes, the normal schema to use it is
bsr.s something_nasty
; normal stuff
rts
something_nasty
moveq #sms.xtop,d0
trap #1
; nasty stuff here
rts
Marcel
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