Subject: Re: [stella] 2P x 3 digit score routines? From: "Fred Quimby" <c9r@xxxxxxxxxxx> Date: Mon, 16 May 2005 03:16:58 -0400 |
Never mind, I see what you're doing now - it just didn't trigger in my brain that you can use JSR to write to TIA registers! Pretty cool trick. >From: "Fred Quimby" <c9r@xxxxxxxxxxx> >Reply-To: stella@xxxxxxxxxxxxxxxxxx >To: stella@xxxxxxxxxxxxxxxxxx >Subject: Re: [stella] 2P x 3 digit score routines? >Date: Mon, 16 May 2005 02:58:42 -0400 > >Hello, > >This looks interesting, but as it sits it looks like it would require >digits >to be stored in RAM since it uses absolute indexed addressing. What's the >purpose of the TXS/JSR in the middle of the kernel, is it just to burn up >cycles? If so, is it possible to use the cycles for indirect indexed >addressing instead? > >- Fred > > >From: Thomas Jentzsch <tjentzsch@xxxxxx> > >Reply-To: stella@xxxxxxxxxxxxxxxxxx > >To: stella@xxxxxxxxxxxxxxxxxx > >Subject: Re: [stella] 2P x 3 digit score routines? > >Date: Sun, 15 May 2005 15:47:09 -0400 > > > >Thomas Jentzsch wrote: > > > Attached is the result. Maybe it gives you an idea, how to solve your > > > problem. > > > >And here is another (unfinished!) idea attached, using JSR to trigger > >RESPx. > > > >Have fun! > >Thomas > >_______________________________________________________ > >Thomas Jentzsch | *** Every bit is sacred ! *** > >tjentzsch at web dot de | > >Archives (includes files) at >http://www.biglist.com/lists/stella/archives/ > >Unsub & more at http://stella.biglist.com > ><< score2x4a.asm >> > > >Archives (includes files) at http://www.biglist.com/lists/stella/archives/ >Unsub & more at http://stella.biglist.com > Archives (includes files) at http://www.biglist.com/lists/stella/archives/ Unsub & more at http://stella.biglist.com
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