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- Path: news.bridge.net!not-for-mail
- From: coyote@news.bridge.net (Al Anger)
- Newsgroups: comp.sys.cbm
- Subject: Re: Vic-20 Ram Expansion
- Date: 1 Apr 1996 22:09:31 GMT
- Organization: BridgenetLC - 305.374.3031 - 100 S. Biscayne Blvd, Miami
- Message-ID: <4jpk6r$8h7@news.bridge.net>
- References: <4jnplp$3l8$1@mhade.production.compuserve.com>
- NNTP-Posting-Host: newworld.bridge.net
- X-Newsreader: TIN [UNIX 1.3 950824BETA PL0]
-
- Dan Amborn (103013.1114@CompuServe.COM) wrote:
- > I have a question about Vic-20 ram expansion and was wondering if
- > anyone has some experience with it. I've got a 16k cartridge but
- > whats needed in order to have a fully expanded Vic? I saw that
- > 24k was the largest cartridge for it. But a memory map I
- > downloaded from the internet showed this:
- >
- > >0400-0FFF 1024-4095 3K expansion RAM area
- > 1000-1DFF 4096-7679 User Basic area
- > 1E00-1FFF 7680-8191 Screen memory
- > >2000-3FFF 8192-16383 8K expansion RAM/ROM block 1
- > >4000-5FFF 16384-24575 8K expansion RAM/ROM block 2
- > >6000-7FFF 24576-32767 8K expansion RAM/ROM block 3
- >
- > According to this in order to have a fully expanded Vic-20 you
- > need a 27k cartridge which doesn't exist right? Or is it possible
- > to use multiple expansion cartidges by using a cartridge port
- > expander. Also does anyone know if its possible to expand my
- > existing cartridge to 27k? Any help would be helpful.
- >
- > --
- > Dan Amborn
- > 103013.1114@compuserve.com
-
- I don't have the info right at hand, but the mem map changes after it's
- expanded past 3K, so the first 3K is lost when 8K or more is added.
- That leaves 24K max...
-
- I have all the maps and info. If needed just ask.
-
- From:
- the creator of the 128 Tower on the cover of Commodore World Issue 10
- ---------------------------------------------------------------------
- Wile E. Coyote coyote@bridge.net
-
- The purpose of time is to keep everything from happening all at once.
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