Had a myriad of crazy issues lashing together my test unit for this.. Somehow I ended up with a tape of level converters where the first three were good all the rest (dozens) are counterfeit..
Anyway, the serial trace is identical to what I posted before, but here is the behavior I am seeing shown with debug info: This is debug information captured from the PDDuino attempting to load DOS100.CO from UR2. PDDuino with a cold boot, fails to load DOS100.CO. After loading TS-DOS, listing a directory (OR making any FDC requests) DOS100.CO loads. First half of the request is identical: 0 - 5A;Z 0 - 5A;Z 0 - 7 0 - 0 0 - F8 T:7|L:0. command_status() return_normal() R:Norm 0 0 - D 0 - 5A;Z 0 - 5A;Z 0 - 0 0 - 1A 0 - 44;D 1 - 4F;O 2 - 53;S 3 - 31;1 4 - 30;0 5 - 30;0 6 - 2E;. 7 - 43;C 8 - 4F;O 9 - 20 A - 20 B - 20 C - 20 D - 20 E - 20 F - 20 10 - 20 11 - 20 12 - 20 13 - 20 14 - 20 15 - 20 16 - 20 17 - 20 18 - 46;F 19 - 0 1A - 88 T:0|L:1A. command_reference() SF:0 Ref: DOS100.CO -------------------------------------------------------- This is where the difference is. Left is cold boot PDDuino, right is after a FDC command. Note the directory information, it seems to stay resident once loaded but is not initialized on cold boot. directoryAppend() *directoryAppend(DOS100.CO <http://DOS100.CO>)* directory[/] *directory[//]* -> -> directory[/] *directory[//DOS100.CO <http://DOS100.CO>]* directoryAppend() end *directoryAppend(DOS100.CO <http://DOS100.CO>) end* return_reference() return_reference() returnReference() returnReference() R:Ref R:Ref upDirectory() upDirectory() directory[/] *directory[//DOS100.CO <http://DOS100.CO>]* directory[/] directory[//] 1A - 5A;Z 1A - 5A;Z 1A - 5A;Z 1A - 5A;Z 1A - 1 1A - 1 1A - 1 1A - 1 0 - 3 0 - 3 1 - FA 1- FA T:1|L:1. *T:1|L:1D* command_open() command_open() directoryAppend() *directoryAppend(DOS100.CO <http://DOS100.CO>)* directory[/] directory[/] -> -> directory[/] *directory[//DOS100.C0]* directoryAppend() end *directoryAppend(DOS100.CO <http://DOS100.CO>) end* directoryAppend(/) *upDirectory()* directory[/] *directory[//DOS100.CO <http://DOS100.CO>]* -> *directory[//]* directory[//] *return_normal()* directoryAppend(/) end R:Norm 0 R:Norm 0 Now to look at the code and figure out why... Brian On Tue, Jul 13, 2021 at 7:36 PM Brian Brindle <bbrin...@gmail.com> wrote: > > > On Tue, Jul 13, 2021 at 6:18 PM Brian White <b.kenyo...@gmail.com> wrote: > >> Dang, TS-DOS is specifically requesting the name "ROOT", which means I >> have to make PDDuino use that, and you can't have a real directory named >> ROOT. >> >> There is a macro or const you can edit in the main .ino to change that >> from "SD: " to "ROOT ". >> >> Probably won't affect UR2 but if it's baked into something like TS-DOS >> since 35 years ago, then I just have to go along. >> >> Then again... TS-DOS is the one thing that actually works pretty well as >> it is. So then, no I don't ??? >> >> Anyway thanks for the captures. >> > > I don't think that's the issue, in this case the capture was taken from > the perspective of the TPDD so RX is what the TPDD is receiving and TX is > what it is sending, so it sent ROOT - didn't ask for it and in this case it > was actually correct.. That was the name of the dir. (Sorry,that was > probably confusing.) Capture was done with a NADs box since it would be > successful. > > What I was seeing during testing was loading DOS100.CO from the UR2 > didn't an FDC Emulation mode command (M1) and the PDDuino didn't seem to > know how to proceed without having the dmeLabel set. If you run through > one cycle with TS-DOS where it does check for FDC, everything works after > that point. So I think there is something broken in the routine to allow > for a non FDC Emulation request, although I haven't been able to nail it > down yet and I did majorly screw everything up trying to "improve" > debugging before.. > > Lashing together a modular test setup now with the serial port broken out > for capture. Should make it easier to get a full capture of the issue. > > Brian > >
