Is it this one? bind=: 2 : 'x@(y"_)'
from stlib - guess I did have it defined but the function gets a syntax error anyway on the assignment of sys_timer_. On Mon, Dec 15, 2008 at 6:48 PM, Devon McCormick <[email protected]> wrote: > Dan - what's "bind" do? I don't have this defined. > > Regards, > > Devon > > > On Mon, Dec 15, 2008 at 6:20 PM, Dan Bron <[email protected]> wrote: > >> Roelof wrote: >> > I tried the above and I have the same problem as before >> >> Yes, I too get a blank image & file. I don't get the freeze though. >> Sorry >> for not testing my suggestion before I made it. >> >> I wonder why 9!:27'theSentence' is different from executing theSentence >> directly in the IJX window. My suspicion is that control doesn't pass >> back from the J engine (j.dll) to the JFE (j.exe) until after the immex >> phrase has completed. >> >> That is, in the situation where you enter a phrase in the IJX window, >> press >> enter, then enter another phrase, then enter again, from the first enter >> to the second, control has passed from j.dll to j.exe and back to j.dll. >> I speculate that in the case of 9!:27 j.dll checks the immex flag before >> it returns control to j.exe (executing a phrase if appropriate), and so >> this round trip is avoided. However, in Roelof's case, the transfer of >> control is required, as j.exe has the responsiblity of painting graphics. >> >> Which makes me think his aims might be acheived via a different >> indirection: >> >> vm =: verb define >> viewmat i. 16 16 >> wd 'timer 500' >> sys_timer_z_ =: 'timer 0' wd@:[ savemat_jviewmat_ bind >> 'C:\immex0.bmp' >> ) >> >> vm'' >> >> This works, which seems like corroboration of my hypothesis (j.exe owns >> wd, >> and hence control must pass back to it before timer events can fire, so we >> get the requisite round trip). >> >> -Dan >> ---------------------------------------------------------------------- >> For information about J forums see http://www.jsoftware.com/forums.htm >> > > > > -- > Devon McCormick, CFA > ^me^ at acm. > org is my > preferred e-mail > > -- Devon McCormick, CFA ^me^ at acm. org is my preferred e-mail ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
