EclaireXL

08/18/2018

09:52 PM Feature #73: Implement ATX disk image support

Looks an an endian issue. I see AT8X ok, then version is 256... foft

08/17/2018

09:33 PM Feature #73: Implement ATX disk image support

If I comment loadAtxSector it does not hang, so must be something stuck in a loop in there. Will instrument and print... foft

09:27 PM Feature #73: Implement ATX disk image support

Now the core is working again in general: USB, atr, xex. I can insert atx disks, but they fail to load - firmware han... foft

08/16/2018

10:03 PM Feature #73: Implement ATX disk image support

I got the core building but I've broken it enough that usb no longer works... ooops, will have to debug another day. foft

10:02 PM Feature #73: Implement ATX disk image support

There are the default (original) sdrive delays in us iirc. If an ack is sent too soon it can arrive before the sio co... foft

09:58 PM Feature #73: Implement ATX disk image support

I'm not sure what DELAY_T2_MIN, DELAY_T5_MIN, etc. actually represent here so unfortunately I can't comment on that s... Farb

09:46 PM Feature #73: Implement ATX disk image support

Changed the timer/pause reg to be in microseconds and exact (USB clock/48 with clock domain crossing by toggle)
Adde... foft

08/12/2018

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

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

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

10:12 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

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

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