[TiLP-devel] [ tilp-Bugs-1802058 ] Parallel link at non-standard address doesn't work

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Bugs item #1802058, was opened at 2007-09-25 16:07
Message generated for change (Comment added) made by roms
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Category: None
Group: None
Status: Open
Resolution: Accepted
Priority: 5
Private: No
Submitted By: Ben Ryves (benryves)
Assigned to: Romain Liévin (roms)
Summary: Parallel link at non-standard address doesn't work

Initial Comment:
OS: Vista Business 32-bit.
TiLP2 1.07b

I suspect that the problem relates to my parallel port being at address 0xCCD8 rather than the legacy address 0x378. It's a roughly 50:50 split with other apps as to which will detect the address correctly and which will just assume it's at 0x378, though. The cable works on a PC with a parallel port at 0x378.

TiLP simply times out if I try and send or receive any data and the parallel port status doesn't change.

TiLP 1 let you enter an address manually in the config file, but it chopped off the last digit (turning 0xCCD8 into 0xCCD).

I wrote a test program that reads/writes serial data via COM2 and sends it out of my parallel port using the TI link protocol; if I set up TiLP to use the greylink on COM1 and connect COM1 and COM2 with a null modem cable I can take screenshots of my calc from TiLP but this Heath-Robinson set-up is too unreliable to send whole files. :)

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>Comment By: Romain Liévin (roms)
Date: 2007-09-28 18:47

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This DLL is for use with TiLP2!

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Comment By: Ben Ryves (benryves)
Date: 2007-09-28 11:58

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[Hopefully this is the right place].

Thanks for the help, and sorry for the rather rude summary :|

I downloaded the libticables2-1.exe, renamed it to ticables.dll and
replaced the old one in the TiLP directory.

Now, if I pick LPT4 I get the following message:

--------------
Msg: illegal operation or argument.
Cause: the program which uses this library is buggy. Fire-up the
developer!
--------------

If I switch it back to LPT1 I do not get this message.

The port is a "MosChip PCI Parallel Port" (along with two COM ports) which
is why it has a silly base address.

I've checked out a copy of the source, so I'll have a look at it myself
this weekend, but I'm a very ignorant C programmer.

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Comment By: Romain Liévin (roms)
Date: 2007-09-27 07:58

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I built for you a special ticables2 library. Set your // link cable to
port #4 and 0xCCD8 will be used.
Please tell me whether it works...

Romain.
File Added: libticables2-1.dll

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