[stella] the B. Watson's problem...

Subject: [stella] the B. Watson's problem...
From: Gonzalo Fernández <horcas@xxxxxxxxxxxxxxxxxx>
Date: Sun, 19 Aug 2001 17:53:00 -0300
> Hello stella world...

Hello B.

> sure if I can explain it properly... when I position the players in
> the first 30-40 pixels of the display, they appear to be shifted down
> one scanline (my kernel is 2 scanlines per iteration, low res)... I

It seems like you are updating the GRPx too late, after the cycle 68, maybe
in 98-108 (68 clock counts for H Blank). You should take care of your cycle
counting.

> The other thing is, I'm using ca65 (from www.cc65.org) for a cross
> assembler... from reading the archives, it appears that dasm is the
> standard here. Should I take the time to port my code to dasm before

I think everybody is using DASM, if you don't use it you will need to change
every code posted here to try it.




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