EclaireXL

08/12/2018

09:36 PM Mini EclaireXL

Panos is working on a very neat cut size PCB that includes most of the features. See [[http://atariage.com/forums/top... foft

09:34 PM Feature #73: Implement ATX disk image support

DELAY_T2_MIN (100uS)
ACK
loadAtxSector
(NAK if failed)
DELAY_T5_MIN (300uS)
CMPL
DELAY_T3_PERIPH (150uS)
send ... foft

09:31 PM Feature #73: Implement ATX disk image support

Also plumbed into the atari_drive_emulator.c in a similar fashion to the xex loader.
... foft

09:28 PM Feature #73: Implement ATX disk image support

Made a start on this...
* Made atx.c/h build by pointing to different headers.
* Pointed delay_ms to existing wai... foft

08/01/2018

10:05 PM Bug #48 (Closed): CORE13 - Veronica BASIC not working

Closed. Working fine with my Veronica clone and no feedback received from tester. foft

10:02 PM Feature #3 (New): High resolution antic support

Paused until anyone uses it. If it starts getting used I might fix the offsets... foft

10:01 PM Bug #25 (New): F10 Hard Reset Ignore inserted cartridge (Core v7)

foft

10:01 PM Bug #64 (Closed): Pokey pdm timing incorrect

Found the issue when doing the pokeymax work - I'd lost some changes by accident. foft

10:00 PM Feature #72 (Closed): Implement stock Atari 400 mode

OK, so for all intents and purposes I think its the same. At least until we add the split bus for the 800... I added ... foft

09:58 PM Feature #68 (Closed): Implement stock Atari 800 mode

Great! Going to close this until I decide to add 2 bus support or you find a bug in it:-)
I mean the profiles. The... foft

09:14 PM Feature #68: Implement stock Atari 800 mode

That worked! I tested both variants of Archon, MULE and One on One and they all loaded just fine. Great job! Now I ju... Farb

08:16 PM Feature #68: Implement stock Atari 800 mode

OK, I built v27. This has a single floating data bus. I also updated the os rom in slot 4 to this one:
10 KB 0x0e86... foft

05:23 PM Feature #68: Implement stock Atari 800 mode

From phaeron:
Altirra implements a single floating bus by default for 800 and XE hardware profiles and has an opt-... Farb

05:20 PM Feature #68: Implement stock Atari 800 mode

From Ijor on the protection details:
IIRC it expects to be variable, non constant. The 800 doesn't have pullups on... Farb

10:54 AM Feature #68: Implement stock Atari 800 mode

I guess it’s checking c000-cfff then?
I’ll try adding a floating data bus... foft

07:55 AM Feature #68: Implement stock Atari 800 mode

The OS ROM I'm using has a CRC of 0e86d61d. Farb

07:47 AM Feature #68: Implement stock Atari 800 mode

Did you load the original OS B or use the one off the jic? I think the one I included on the jic is patched. I should... foft

07:46 AM Feature #68: Implement stock Atari 800 mode

I’d better wire up the atx code so I can try it myself:) foft

08:28 PM Core v27

Small update to try to get some atx stuff working...
Single floating data bus: atari800 non-present ram and D1/D5/... foft

07/31/2018

11:20 PM Feature #68: Implement stock Atari 800 mode

FYI, I tested core 26 and put the Eclaire into 48K 400/800 mode using OS/B (what would even happen if I used XL OS wi... Farb

10:48 PM Feature #68: Implement stock Atari 800 mode

I‘d personally would love to see this get as close as possible to a real Atari 800 but obviously I’m not doing all th... Farb

09:48 PM Feature #68: Implement stock Atari 800 mode

Fixed the beep on reset. Will build as v26. Not sure whether floating data bus if worth it. Looks like it wasn't even... foft

09:39 PM Feature #68: Implement stock Atari 800 mode

This is fantastic progress!! Farb

09:23 PM Feature #68: Implement stock Atari 800 mode

That worked... Now for that horrible beep on reset. foft

09:17 PM Feature #68: Implement stock Atari 800 mode

This is due to a brk being hit when it jumps to the cart to initialize it. Making the bus 0xff when no ram present wh... foft

08:32 PM Feature #68: Implement stock Atari 800 mode

Got signal tap on it. Gets part way through booting then hangs at address 000c. This is after memory detection itself... foft

10:30 PM Core v26

Atari800 mode fixes:
* Made no ram return 0xff, fixes 16k/32k boot since they were detecting a cartridge then crashi... foft

07/28/2018

08:41 AM Feature #68: Implement stock Atari 800 mode

Tried the salt xex. If I boot it on 48k, then change ram to 16k/32k it returns the expected results. i.e. ram test pa... foft

07/27/2018

10:25 PM Core v25

A few fixes in pokey from when I was working on pokeymax.
Also the start of Atari 800 support. Some bugs still, be... foft

10:12 PM Feature #68: Implement stock Atari 800 mode

Built as v25 anyway in case anyone wants to play, but definitely more to do on this... foft

09:48 PM Feature #68: Implement stock Atari 800 mode

Squashed several bugs, but struggling with 16k and 32k mode for some reason, not booting. foft

07/26/2018

02:17 PM Feature #68: Implement stock Atari 800 mode

This is great news! I look forward to testing it :-) Farb

07/25/2018

10:06 PM Feature #68: Implement stock Atari 800 mode

Got it booting again after a few small bug fixes.
Some reset issues on the 800... and it fails the XL banking acid... foft

09:27 PM Feature #68: Implement stock Atari 800 mode

OK, that sounds ... fun! It won't be expensive to add support for but I need to think about it.
For now I just wan... foft

09:11 PM Feature #68: Implement stock Atari 800 mode

I know of one game that relies on it -- Coleco's Wargames. Phaeron and I chatted about this a while back because I co... Farb

09:03 PM Feature #68: Implement stock Atari 800 mode

@farb - do you know if the protection ever needs the floating data bus? For now I've set 0xc000 to either 0xff in <52... foft

08:57 PM Feature #68 (In Progress): Implement stock Atari 800 mode

Added Atari800 mode.
Ram selection dialog changed to system. Pressing fire toggles 800/xl/xe.
Only 16/32/48/52k sup... foft

07/22/2018

10:07 PM Feature #73: Implement ATX disk image support

Pleased to see it looks pretty simple, so we should be able to plug this in without too much pain. foft

10:05 PM Feature #73: Implement ATX disk image support

Ah, that makes more sense. The loadAtxSector seemed to be missing all the timing I was expecting, then I saw the phan... foft

09:50 PM Feature #73: Implement ATX disk image support

Here is my current work-in-progress code that tries to emulate accurate disk timing:
https://github.com/kbr-net/sd... Farb

09:48 PM Feature #73: Implement ATX disk image support

Here is my current work-in-progress code that tries to emulate accurate disk timing:
https://github.com/kbr-net/sd... Farb

09:08 PM Feature #73: Implement ATX disk image support

What is the basic interface?
If I receive a command packet, can I send it to the atx handling code and it returns ... foft

08:29 AM Feature #73: Implement ATX disk image support

The SDrive Max project has ATX disk images working including many forms of timing-based protection. The code is writt... Farb

08:27 AM Feature #73 (Closed): Implement ATX disk image support

Farb

10:06 PM Feature #72: Implement stock Atari 400 mode

Most of this is probably not relevant here, but my understanding of the differences are:
1. Membrane vs. full-stro... Farb

09:10 PM Feature #72: Implement stock Atari 400 mode

Are there any differences from the Atari800 mode? I guess 2 joystick ports. I guess also allowing less than 48K of ra... foft

08:20 AM Feature #72 (Closed): Implement stock Atari 400 mode

There are certain titles that require OS-A to run (Megalegs, Ghost Hunter). It would be nice to have a "stock Atari 4... Farb

09:19 PM Bug #66 (Closed): Odd flash behaviour on new boards

I've received my board a few months ago and am unable to reproduce. Working fine as far as I can tell with the 64KB f... foft

09:16 PM PokeyMAX

I've spent some time this year working on a new FPGA board that fits into the original computer, to replace the pokey... foft

08:17 AM Feature #68: Implement stock Atari 800 mode

Updated this issue to encompass further issues with the current OS-B implementation. Farb