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From: ag0@k.cc.purdue.edu.UUCP
Newsgroups: comp.sys.apple
Subject: Re: How does the PCPI Applicard manipulate the Apple itself?
Message-ID: <1624@k.cc.purdue.edu>
Date: Fri, 21-Nov-86 11:27:23 EST
Article-I.D.: k.1624
Posted: Fri Nov 21 11:27:23 1986
Date-Received: Sat, 22-Nov-86 06:45:37 EST
References: <6453@decwrl.DEC.COM>
Reply-To: ag0@k.cc.purdue.edu.UUCP (Colin Jenkins)
Organization: Purdue University Computing Center
Lines: 24

In article <6453@decwrl.DEC.COM> binder@asd.dec.com (NOW willya gimme some fightin' room?) writes:
>The very scanty technical information included with my MicroPro StarCard 
>(aka a PCPI Applicard) says that the Z80 and 6502 communicate through a port
>on the Applicard.  But there's not a clue as to how that port is managed. 
>
>I'd like to write an assembly-language program for the Applicard, but I 
>can't, without that technical info.  How does the Z80 read and write Apple
>memory?  Does the port consist of an address register and a read/write data
>register?  What are the addresses of any registers associated with the port?  
>Better yet, does anyone have a line on some official PCPI documentation that 
>will explain the card's architecture?  Information on how the CP/M drivers
>are written to live in the native Apple would also be useful. 
>
>Please reply directly by Email, because I'm not currently receiving 
>comp.sys.apple.
>
>Thanks,
>Dick Binder   (The Stainless Steel Rat)

I own a StarCard also and would be very interested in the info too.


				Colin 
				(!ihnp4!pur-ee!k.cc.purdue.edu!ag0)