64kib

11/08/2017

09:15 PM EclaireXL Feature #3: High resolution antic support

Example output from sim. I display ctrl F and ctrl G at the start and end of a line - to check alignment. I switch co... foft

11/07/2017

09:43 PM EclaireXL Feature #3: High resolution antic support

I added rendering of the video output ot the test bench... Very helpful to debug visual video issues. foft

11/04/2017

09:57 PM EclaireXL Feature #3: High resolution antic support

Back to computing the dma clock start cycle, rather than applying hscrol high bits as a delay. With 2x and 4x support... foft

11/03/2017

10:10 PM EclaireXL Feature #3: High resolution antic support

Thinking about this I bet I just broke the hscrol change delay, since this will no longer allow late changes. One to ... foft

10:09 PM EclaireXL Feature #3: High resolution antic support

Fixed issue with sprites - I had changed hscrol to count at 4x original colour clock and forgot to adjust the dma add... foft

11/02/2017

10:15 PM EclaireXL Feature #3: High resolution antic support

Sped up the refresh cycles to 2x and 4x. No missing characters now mid-screen. However this will probably flicker on ... foft

11/01/2017

09:53 PM EclaireXL Feature #3: High resolution antic support

Fixed a few more bugs and tried it again. Was starting to despair that it worked on sim but not the real hardware. Th... foft

10/30/2017

09:28 PM EclaireXL Feature #3: High resolution antic support

I fixed the dma clock, then I found character fetching was not working either. I've fixed that for 2x, but still rema... foft

10/29/2017

12:42 PM EclaireXL Feature #3 (In Progress): High resolution antic support

Taking a look at this one for a change!
Its actually not looking too bad, at least the first bug. I start off the ... foft

10/28/2017

07:33 PM EclaireXL Bug #54: GTIA issue when Turbo > 4X

I noticed that on the v16 core with the OS in block ram (vs sdram) up to 16x works ok. But 32x has the artifacts. foft