🚀 go-pugleaf

I'm trying to figure out how to talk to my HC16 via the parallel port.
It came with lots of fine documentation and programs that run on an
ibm pee cee.  The pee cee development system chats via the pee cee
parallel printer port.  No documentation was provided on this protocol.
Another netter called Motorola who refered him to the software company
that made the support software.  The support software company said
nah, we ain't gonna tell, its propriatary.

I would like to use my Motorola 68030 based Amiga to interface with 
this little board.

What I've found so far about the parallel port interface.
It appears that d0 - d6 are output from the pee cee to the board,
the BUSY and ACK lines are the only other lines connected and they are both
input.

D1 clocks incomming data on D0 on the rising edge of D1.
D5 looks like it only controls the little green 'run' light on the board.

Data comming from the board to the pee cee appears to be clocked in by
D1 also and is contained on the BUSY line.  In yure doc on the
debugging interface it talks about the DSI and DSO data lines and
when they are clocked.  It looks like the PAL (by the 2rd party software
house) just smooths things with a little hardware glue.


I hope to have a complete description of the protocol and a working communications
program soon.  Anyone interested in the protocol for their favorite platform
send me a note on the back of a $20.00 and I'll see what I can do  :-)
merry xmas.
v
ka8cte
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