Posted By
MMS
on 2016-03-06
17:36:06
 |  Re: Ultimate Map V1.8
Hi,
The Plus/4 User port layout is based on a C= magazine article, based on Miklos Zimanyi information.
The document I created with this comparatory graph and from I I took the screenhot (you can see the grammar checker) refers him as a source.
It was mentioned, that some books can be bought showed a layout, but it was wrong and full of mistakes.
I have to agree, I did not doublecheck, if it is 100% valid, but it seems to be one of the most frequently referred JPG in the topic as per Google.
("Commodore Plus/4 User Port")
So, if you have some documents questionmark this layout, I think it is the best to do some further inspections, I will do so.
While for C64 there are tons of document for this, for Plus/4 the User port was seemed to be kind of "grey area".
Hopefully the picture will pass...
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