64kib

06/14/2024

FO 09:29 PM EclaireXL Core v39 released

Common:
* Use halt signal on 6510 cpu for wsync, fixes an antic acid test.
* Fix a PIA combinational loop
Built for the Chameleon/Chameleon2/MIST/MC216/MCCTV etc too, but these are untested. foft

03/24/2024

FO 05:18 PM EclaireXL Core v38 released

Common:
* Updated pokey core with several fixes found during PokeyMAX development
Firmware:
* Do not reset cartridge on initial boot (fixes M.U.L.E. AtariMax cartridge)
Built for the Chameleon/Chameleon2/MIST/MC216/MCCTV etc to... foft

03/08/2024

FO 07:50 PM EclaireXL Reviving old prototypes and code

I spent a few years during Covid and the ensuing chip crisis building TF1260 boards and more recently a bunch of CTPCI boards. This helped improve my surface mount soldering skills quite a lot, though I have a lot more to learn still.
... foft

11/27/2021

FO 09:15 AM EclaireXL Feature #87 (New): SI5351 interesting library

Looks like worth investigating if I ever use the si5351 again... The software + binary blob output approach wasn't great, this will allow real flexibility in use.
https://github.com/MR-DOS/Si5351-lib
foft

09/23/2021

FO 08:48 PM EclaireXL Bug #42: Core 8 - Mic level is low

This is due to the Atari audio 'mixing' circuit. It has a gain of 5.6x and doesn't really mix - just directly connected... foft

FO 08:46 PM EclaireXL Bug #30 (Closed): TAPE does not play AUDIO on the Right Chanel (Eucational tapes cannot be heard)

Never heard again and think it works. Though I learned a lot more about how this should work since with Pokeymax v3 debugging... foft

FO 08:45 PM EclaireXL Feature #76 (Resolved): Merge down to trunk

Been back on trunk for years now, should close this! foft

FO 08:44 PM EclaireXL Bug #67 (Resolved): Pokey two tone timing problem

foft

FO 08:44 PM EclaireXL Bug #67: Pokey two tone timing problem

This was fixed following investigation and a simple test case/detailed spreadsheet from Synthpopalooza.
I used these new audio test pcbs and a cycle exact fpga comparison program to check it against the real pokey.
Incidentally I f... foft

01/14/2021

FO 10:29 PM EclaireXL Feature #85: 720p support/1080i support

Quartus 20.1.1 still has the bug. Raised with Intel. foft