EclaireXL

08/23/2018

08:40 PM Bug #74: Mounted disks don't always load

Probably about time I fix this, might be impacting some atx loading too. foft

08/22/2018

12:56 PM Feature #73: Implement ATX disk image support

Here's further info about those two disks:
http://a8preservation.com/#/software/dump/82
http://a8preservation.com... Farb

12:55 PM Feature #73: Implement ATX disk image support

I believe phantom and duplicate sector are synonymous. Yes, multiple sectors with the same number on a track. Both Ag... Farb

12:50 PM Feature #73: Implement ATX disk image support

What is a phantom sector? Same sector number and valid/crc error/weak on same track? Do you have examples for one on ... foft

08:50 AM Feature #73: Implement ATX disk image support

I quickly confirmed that changing $F7 to $EF didn't break any of the images I ran the Scanalyzer test and it returns ... Farb

07:19 AM Feature #73: Implement ATX disk image support

Hmm, good point. The status bits are active low which would make $F7=11110111 and $EF=11101111. Bit 4 represents reco... Farb

07:03 AM Feature #73: Implement ATX disk image support

Why does the code default to 0xf7? It says that means ‘data crc or weak sector’ in the hardware manual. The comment i... foft

06:22 AM Feature #73: Implement ATX disk image support

As you have already surmised, the status byte returned from loadAtxSector contains the FDC status bits. Are you takin... Farb

08/21/2018

11:27 PM Feature #73: Implement ATX disk image support

Ok, I tested v3 and saw a few things:
1. Agent U.S.A. and Goonies successfully loaded. Woohoo!
2. Bandits success... Farb

09:17 PM Feature #73: Implement ATX disk image support

OK, have to call it a day for today. I'll put up v3 with the latest anyway, though I suspect not much really helped y... foft

09:15 PM Feature #73: Implement ATX disk image support

OK, can reproduce the same results in the linux sim... Which is good. So its not a missed byte swap (there is no byte... foft

09:05 PM Feature #73: Implement ATX disk image support

Yeah I wired status up right after building atxv2. I am getting back 0xf7 though. Its not finding the sector in the l... foft

09:03 PM Feature #73: Implement ATX disk image support

Glad it is making progress. I did wonder if bug 74 had something to do with what I was seeing. Are you using the stat... Farb

08:33 PM Feature #73: Implement ATX disk image support

OK, little better. Now getting 247 on 19,20,... and 28,32. Investigating why the status is not 239 now. foft

08:26 PM Feature #73: Implement ATX disk image support

I think the first few errors may be related to the bug 74 you raised.
I do see failure on those sectors though I w... foft

07:00 PM Feature #73: Implement ATX disk image support

If it’s that broken I wonder why air strike, Bruce Lee and lode runner work.
I’ll try that tool... foft

07:28 AM Feature #73: Implement ATX disk image support

I did some further testing and something definitely seems quite wrong. I can understand timing problems causing dupli... Farb

08/20/2018

10:16 PM Bug #74 (Closed): Mounted disks don't always load

I have been seeing some strange disk loading behavior for the past few builds. Intermittently, when I mount a disk an... Farb

10:14 PM Feature #73: Implement ATX disk image support

I should add (in case it wasn't completely clear) that all those titles work with the current version of atx.c. Farb

10:06 PM Feature #73: Implement ATX disk image support

I just tried atxv2 as well.
It sounds to me like the "slow" parts are too slow and the "speed-ups" are too fast. I... Farb

09:54 PM Feature #73: Implement ATX disk image support

An aside, but noticed I seem to have a bunch of hexdumps still in this code. Better remove them since I'm sure they t... foft

09:51 PM Feature #73: Implement ATX disk image support

Nope, still seems to hang on most things. Hmmm. foft

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

Trying to hook up sector status to 0x53 to see if that helps foft

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

Fixed that and put it up as atxv2.
Load a bit quicker, but still only a few things seems to work (baker street and... foft

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

Seems that it was just a + vs - issue when calculating the wait on rotation. Doh. foft

06:31 PM Feature #73: Implement ATX disk image support

I think something might be wrong with track step or something. Since its loads slow, slow slow, then occasional fast.... foft

06:30 PM Feature #73: Implement ATX disk image support

I've put the rpd there now. foft

05:11 PM Feature #73: Implement ATX disk image support

I am not aware of anything that exists like that today but think it is an excellent idea. I have reached out to some ... Farb

07:51 AM Feature #73: Implement ATX disk image support

Oh, forgot to copy that! Will do that this evening.
I was thinking a test suite would be great. On an atx that boo... foft

08/19/2018

09:30 PM Feature #73: Implement ATX disk image support

That is great news. I'm happy to test it out. How do I make an .rpd from the .jic and/or .sof? Farb

09:04 PM Feature #73: Implement ATX disk image support

Farb, I've put the latest test version here. Can you give it a try please since you are more familiar with how the be... foft

08:44 PM Feature #73: Implement ATX disk image support

Added byte swapping and changed the wait_us delays to be in us. For some reason wait_us(3.22*1000) was hanging rather... foft

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

09:36 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