Subject: Re: RE: [stella] WSYNC again (3 or 5 clocks?) From: "Thomas Jentzsch" <tjentzsch@xxxxxx> Date: Mon, 31 Jul 2000 18:27:06 +0200 |
Erik Mooney wrote: >I could just keep quiet here, but I'll apologize :) I was one of the guys >who did some testing on that a long while back. I concluded that WSYNC >did in fact need one or two extra clocks. Unfortunately, it turned out >that I had made a mistake in my test code. My playfield kernel had a >WSYNC, then a long string of NOPs, then DEC and BNE. Problem was, the BNE >was branching across a page boundary, which uses one extra cycle, and I >didn't realize this was happening until a long while later... :( At least, you're honest ;-) Thomas Jentzsch | *** Every bit is sacred ! *** tjentzsch at web dot de | _______________________________________________________________________ 1.000.000 DM gewinnen - kostenlos tippen - http://millionenklick.web.de IhrName@xxxxxx, 8MB Speicher, Verschluesselung - http://freemail.web.de -- Archives (includes files) at http://www.biglist.com/lists/stella/archives/ Unsub & more at http://www.biglist.com/lists/stella/
Current Thread |
---|
|
<- Previous | Index | Next -> |
---|---|---|
RE: [stella] WSYNC again (3 or 5 cl, Erik Mooney | Thread | [stella] hmove and timing, doppel |
RE: [stella] WSYNC again (3 or 5 cl, Erik Mooney | Date | Re: [stella] Thrust 1.0, Glenn Saunders |
Month |