Hello urjtag,
I have a paralell port adapter as in the attached schematic,
and I would like to make it work with urjtag.

It seems that the parport code is in various c files in
 urjtag-git/urjtag/src/tap/cable
one per adapter:
 arcom.c
 byteblaster.c
 dlc5.c
 ea253.c
 ei012.c
 keithkoep.c
 lattice.c
 minimal.c
 mpcbdm.c
 triton.c
 wiggler.c
 wiggler2.c
of theese only the last four have support srst (I guess) and
wiggler.c differ much from the others.

arcom.c ea253.c ei012.c lattice.c are very similar to each other
so thoose four could probably be merged in a generic file with
a data structure to make up for the differences, one could possible
copy parts of the openocd parport driver, which has such a structure
for all the parport adapters.

Which .c file do you recommend as a starting point to code for
my adapter ?

Regards,
/Karl Hammar

Attachment: pp_jtag_arm20.sch.pdf
Description: pp_jtag_arm20.sch.pdf

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