31 May
2008
31 May
'08
7:45 a.m.
Hi
My German isn't that good. If the step rate is the problem,
I did see a couple routines that were creating steps. One
was RAMP.
Setting the controllers step rate is always done on just one
port. I forget which. All you should really need to do is find
all the out's to that port and set the step to the auto rate.
For my code, it was only in two places.
Dwight
From: lehmann at ans-netz.de
dwight elvey wrote:
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It is software compatable with the WD1000
controller. I use
a TRS80 controller and a ST251 drive. I did need to modify
the code to deal with stepping differences between the original
olivetti drive and the ST251. I just use the auto stepping.
Dwight
Can you tell me a bit more about this? I can connect MFM drives to my WDC
too but I've problems with ST251-1 while ST251-0 are working. I think
that the -1 is probably somewhat different then the -0 but I'm not sure
where to look at in the WDC firmware (source is 86K) for what to
change...
http://pofo.de/P8000/misc/sources/EAW/Firmware/Firmware_-_MON16-WDC/WDC/wdc…
I can switch something in the firmware from 40MHz to 41,4MHz but neither
this helps nor do I know what this means....
--
Oliver Lehmann
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