On Fri, Sep 24, 1999 at 06:36:41PM +0100, Si Owen wrote: > I've noticed that some places where the video timing isn't quite right seems > to involve DJNZ for tight delay loops. The width of the scroller section > used by the E-Tunes demo is mainly just one such loop. Is there anything > special about DJNZ in terms of timing that could cause it to be too fast?
I don't know what you have but I believe DJNZ takes 16 off-screen and 24 on-screen. > I'm also starting to wonder about instructions lying across the boundaries > where memory contention is introduced, as the subtle timings might make a > difference, and that'd be difficult to implement. Yes you are correct, it would be difficult... imc
