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10 February 2018, 22:11
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#1 |
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Registered User
Join Date: Oct 2017
Location: Leicester UK
Posts: 44
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Kickstart rom reading
Can an amiga 500+ 2.04 kick rom be read with a willem ?
The reason I ask is I have tried all day and had partial success with it reading what looks like every other byte. I have read it as a 27c400. I assume it may have read all the info but need compiling some how. As you can see it show the word amigarom but with every other letter missing. Any thoughts are advise. Cheers Ted 
Last edited by big-ted; 11 February 2018 at 07:32. |
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10 February 2018, 22:53
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#2 |
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Defendit numerus
Join Date: Mar 2017
Location: Crossing the Rubicon
Age: 53
Posts: 4,468
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I've no experience with Willem but from your image there is only one bit missing: words MSB (PIN29, Q15A-1) for a bytes swapped input.
Wait some hardware guru for a solution 
Last edited by ross; 10 February 2018 at 23:53. Reason: Willem |
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10 February 2018, 23:21
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#3 |
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Registered User
Join Date: Aug 2007
Location: USA
Posts: 359
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One of my programmers is the Willem also and I haven't tried it yet. I am interested in what you find out too.
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11 February 2018, 03:55
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#4 | |
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Digital Corruption
Join Date: Jan 2007
Location: Dorrigo/Australia
Age: 60
Posts: 355
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Hi Ted,
Quote:
Bit 7 of every second word is set high. You get: 14 91 F9 CE F8 80 D2 80 00 80... Should be: 14 11 F9 4E F8 00 D2 00 00 00... No idea how the Willem is wired I'm afraid, so it could be D7 or D15 on the Kickstart not making good connection. Regards, Red |
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11 February 2018, 07:07
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#5 |
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Registered User
Join Date: Aug 2007
Location: USA
Posts: 359
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This is helpful info. Thank you for taking the time to answer.
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11 February 2018, 07:28
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#6 |
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Registered User
Join Date: Oct 2017
Location: Leicester UK
Posts: 44
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Thanks will have a poke about and see what happens.
Good to know what I'm looking for. Ted |
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11 February 2018, 09:07
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#7 |
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Registered User
Join Date: Oct 2017
Location: Leicester UK
Posts: 44
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Fixed with a different version of the software,
097d12c3 working with my boards and rom. Thanks Ted 
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11 February 2018, 10:08
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#8 |
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Registered User
Join Date: Aug 2007
Location: USA
Posts: 359
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Great! Where did you find the software, and do you need an adapter with the 27C400?
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15 February 2018, 22:50
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#9 |
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Registered User
Join Date: Oct 2017
Location: Leicester UK
Posts: 44
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Yes you need a dip42 adapter.
The software I googled willem software versions and tried a few until I got one that works. Hth Ted 
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16 February 2018, 02:22
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#10 |
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Registered User
Join Date: Aug 2007
Location: USA
Posts: 359
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That's great Thanks!
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