On Saturday 25 May 2002 03:01 am, José Fonseca wrote:

> Wow! Bummer... I already had convinced myself that the card was secure!

It is, if you don't rely on a register being set by something for your 
control of things.  You may get peak performance with the design in question, 
but it's not secure.  I'd almost bet we could get as good a performance doing 
it with what I'd started, if we re-worked the interrupts so that we got 
double them up using the scanline one in addition to the VBLANK one. 

> Yep. It's not the end of the world, but it's gonna mean that the CPU will
> be a little more stressed, and that we have much more code to do...

If you guys don't mind, I'd like to revisit the work by modernizing my branch 
and finalizing what I'd started.  I think it'd do well and make it secure 


-- 
Frank Earl

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