Activity

From 08/25/2018 to 09/23/2018

FO 11:48 PM Bug #74: Mounted disks don't always load: Except I need to send start bit from zpu to start that clock. Probably a fairly simple state machine change, but getting too late now! foft
FO 10:53 PM Bug #74: Mounted disks don't always load: On second thoughts, why guess when I know. Pokey is already outputting the serial input anyway (even in input mode, since its oe/in/out which is then connected to the pin). Then I can remove all the divisor guessing logic and code. foft

FO 09:29 PM Bug #74: Mounted disks don't always load: Implemented using sio clock out as the zpu clock input. Should mean it can listen to whatever speed. Though of course there is still the question of what speed to reply at. Of course I do know what the pokey divisor is but it feels like ... foft

FO 09:38 PM Bug #74: Mounted disks don't always load: I'd added a 2ms delay temporarily to stop some fast/slow flip flopping. That actually breaks USB keyboard when in that state. Decreased it to 100us for now, though really I need to get to the bottom of what is going on.
I have a cartr... foft

FO 09:31 AM Bug #74: Mounted disks don't always load: Ok good. That’s as I hoped. I still need to make switching from slow to fast sio and back more reliable, I just fixed something that made it enter that state too often. foft

FA 10:01 PM Bug #74: Mounted disks don't always load: It doesn't seem to be happening as much although I did run into some weirdness a couple of times that might be related so I'll keep an eye on it. Farb
FO 09:53 PM Bug #74: Mounted disks don't always load: Farb, are you still running into this with the latest builds? foft
FA 10:00 PM Feature #73: Implement ATX disk image support: Ok, I just checked in a couple more changes. Your patch file should get pretty small now :-D Farb
FO 09:37 PM Feature #73: Implement ATX disk image support: So this is what I ended up with as a patch to atx.c.
I'm updating gTrackInfo on every disk change or access to different drive, to save space.
I think I had issues with not being able to change globals if I assigned a value, so I r... foft
FO 09:44 PM Core v28: * atx support, thanks to Farb
* fixed disk change sio ack bug (swap file read before ack led to failed reads on disk swap) foft

FO 04:40 PM Feature #73: Implement ATX disk image support: That's great, thanks. foft
FA 04:09 PM Feature #73: Implement ATX disk image support: Ok, done and checked into v09 branch. Farb
FO 01:44 PM Feature #73: Implement ATX disk image support: Could it be changed somehow like this? i.e. move the avr parts to another file and add byte swapping? foft

FA 11:08 PM Feature #73: Implement ATX disk image support: Oh, and let me know if there are things I can do in the atx.h/c code to make it easier for you to consume :-) Farb
FA 11:07 PM Feature #73: Implement ATX disk image support: I just updated to atxv5 and confirmed that 107 all passes and the few games I tested worked great. Fantastic work!! Farb
FO 09:47 PM Feature #73: Implement ATX disk image support: I put this up as atxv5.
So 107 all passes, but 107 track35 seems to have a lot of NOKs... foft
FO 09:39 PM Feature #73: Implement ATX disk image support: Updated to the v9 code.
I need to split out the eclaireXL changes to make this easier to update. I was going to make a diff from v8 and apply with patch, but I don't see v8 any more? Anyway merged and don't think I missed anything si... foft

FO 09:45 PM Bug #74: Mounted disks don't always load: Added more structure to the command handling (common ack/nak etc) and looking much better. More to do though... foft
FO 09:57 AM Bug #74: Mounted disks don't always load: I guess a disk revolution at 288rpm is 200ms, so it must be ok timing wise to do the ack first. foft

FO 09:34 PM Bug #74: Mounted disks don't always load: The time spent on iii is in pf_open, the fat file system open. I guess this must do some work.
Perhaps if I ack first then the Atari will give me more time to handle this in piece... This will mean with the current approach that code ... foft
FO 09:22 PM Bug #74: Mounted disks don't always load: So 3 problems...
i) Sometimes bad checksum, must be a sync issue with pokey clock I guess.
ii) Flip flopping between fast and slow too quickly to make sense.
iii) Seems to be very slow to ready 16 bytes from sd card (atr header), Atar... foft

FO 09:41 PM Bug #74: Mounted disks don't always load: Hmmm, gets a failed checksum on the first sector read and switches to high speed sio. Then takes a while to resync.
Now need to see why I get a bad checksum (tomorrow). foft
FO 08:45 PM Bug #74: Mounted disks don't always load: Setting up the logic analyser to check the cause of the first few fails on the scanalyzer... foft
FO 08:51 AM Feature #73: Implement ATX disk image support: Thanks. It loaded more on the 400/800 rom (but not that far) and stopped early on the XL/XE. I think I have the patched xformer rom, perhaps that is why.
From the check suite 102:
I am getting OK/NOK/OK/OK and then the L3 highlighted... foft

FA 06:00 PM Feature #73: Implement ATX disk image support: I just tried it with SDrive Max and Eclaire in XL/XE mode. It loaded and I got to the point that the plane was on the runway ready for take-off. Farb
FO 05:31 PM Feature #73: Implement ATX disk image support: Hmm, will check the timing some more.
Does flight sim II work on the max? I remember that being time sensitive and get lots of system errors loading it. foft
FA 03:58 PM Feature #73: Implement ATX disk image support: I just tested Bandits with SDrive Max and Eclaire XL in 800 mode. It works fine. You need to wait until the full game attract mode starts (e.g. full gameplay is shown with attacking ships moving on the screen).. The game loads from disk ... Farb
FO 08:41 AM Feature #73: Implement ATX disk image support: Hmm, Bandits just worked with no change. Perhaps related to the other sector error issue. foft
FO 08:31 AM Feature #73: Implement ATX disk image support: I'll put it up as atxv4 shortly.
Tested the few you sent. They all seem to work, except Bandits still does not play... Does this atx work fully via sdrive to Eclaire (800 mode) but not via this? Wondering if the remaining problem is a... foft
FA 12:02 AM Feature #73: Implement ATX disk image support: Fantastic! :-D Farb

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