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- Path: news.joensuu.fi!not-for-mail
- From: pellikka@cc.joensuu.fi (Jarno Pellikka)
- Newsgroups: comp.sys.cbm
- Subject: Re: Adding a 6522 to my c64
- Date: 16 Apr 1996 10:47:41 +0300
- Organization: University of Joensuu
- Message-ID: <4kvjat$34g@cc.joensuu.fi>
- References: <4ktud1$4jh@madeline.INS.CWRU.Edu>
- NNTP-Posting-Host: cc.joensuu.fi
- X-Newsreader: TIN [version 1.2 PL2]
-
- Jude Giampaolo (jude@prozac.student.cwru.edu) wrote:
- : I'm looking to add a few 6522's I have around to my 64. I was
- : wondering if there is any online documentation on interfacing
- : to the expansion port.
-
- : --
- : Jude Charles Giampaolo
- : Electrical Engineering and Applied Physics
- : Case Western Reserve University
- : jcg8@po.cwru.edu
-
- I made (very long time ago) iee488 inteface to my 64. Iused PIA(s) in it
- but there was strange problem.. cause of Chip select difference ??
- I didn't got 6522's to work with my device but PIA's did work fine
- anyway. (I had 256 k of memory and 488 interface in my 64)
- I'm not sure but if i remember right PIA Number was 6520 or something.
- My expansion was made so that cia was in cd00 as normal, first PIA
- CD20, second cd40, and so on. I used it abuot year and i did't had
- any progran incombatilies cause of it!!!
-