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 Post subject: W65C816SXB
PostPosted: Thu Oct 17, 2024 7:02 pm 
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Joined: Thu Oct 17, 2024 6:45 pm
Posts: 4
Simple question to owners of the W65C816SXB sbc:
Just received a board, had a few bent pins, not too bad, straightened them out and powered the board. SHOULD I get a monitor prompt
when using a serial terminal emulator? I do not, using both 9600 and 57600 baud, 8-bit, 1-stop, no parity. I see nothing, even garbage.

Using linux, cu and gtkterm, changed USB cables (2x) and see /dev/ttyUSB1 when the board is plugged in. Also tried sxb.py after change
of python code to reflect correct serial port.

Believe I got a bad board, just want to double check with someone that has this board.


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 Post subject: Re: W65C816SXB
PostPosted: Thu Oct 17, 2024 9:29 pm 
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Spoke to tech support at WDC and no, you'll have to use some python scripts to speak to the board, which he sent to me.
The board expects some code from the pc, then established communications. Probably best if your using Windows, as there are tools,
but in the Linux env your kinda stuck using python.


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 Post subject: Re: W65C816SXB
PostPosted: Thu Oct 17, 2024 11:10 pm 
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Joined: Thu May 28, 2009 9:46 pm
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Location: Midwestern USA
eddiek wrote:
Spoke to tech support at WDC and no, you'll have to use some python scripts to speak to the board, which he sent to me.
The board expects some code from the pc, then established communications. Probably best if your using Windows, as there are tools,
but in the Linux env your kinda stuck using python.

So, were you able to get the thing running?

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x86?  We ain't got no x86.  We don't NEED no stinking x86!


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 Post subject: Re: W65C816SXB
PostPosted: Fri Oct 18, 2024 6:01 pm 
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Yes to a degree. But trying different things, like wine and trying to resurrect a windows laptop (v8.1 bare metal).
Then I'll pick. I am sooo use to the Unix development env (command line) that windows dev env looks weird.
Hope that old laptop still works....


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 Post subject: Re: W65C816SXB
PostPosted: Fri Oct 18, 2024 8:58 pm 
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Joined: Wed Feb 14, 2018 2:33 pm
Posts: 1485
Location: Scotland
FWIW: I have a W65C134-SXB board. (65C02 CPU) It needed no special tools - I use minicom under Linux to talk to it.

I seem to recall that it is fussy about handshake signals, but it all seemed to just work via USB back to my Linux systems.

I did a thing here on it:

https://projects.drogon.net/porting-my- ... 5c134-sxb/

However the '816 board may well be very different.

-Gordon

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Gordon Henderson.
See my Ruby 6502 and 65816 SBC projects here: https://projects.drogon.net/ruby/


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 Post subject: Re: W65C816SXB
PostPosted: Sat Oct 19, 2024 3:29 pm 
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Joined: Mon Sep 14, 2015 8:50 pm
Posts: 111
Location: Virginia USA
This thread might be helpful:
viewtopic.php?f=4&t=5698&hilit=W65c816sxb


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 Post subject: Re: W65C816SXB
PostPosted: Sat Oct 19, 2024 4:31 pm 
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Joined: Thu Oct 17, 2024 6:45 pm
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Andy, saw that post, and it's where I got the Python sxb.py from.

BTW: sxb.py no longer works on the newer versions of W65C816SXB even after changing serial port device in the code.
WDC tech support eluded to some changes in the firmware. NOT SURE if i should post the whole program i got from WDC
but i will post the lines of code where the python code wakes up the board:

def write_bin_command(self, cmd):
self.write_serial('55')
self.write_serial('AA')

the reply from the board is CC.


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