Subject:
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Re: How much memory finally? ADDENDUM
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Newsgroups:
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lugnet.robotics.rcx
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Date:
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Thu, 10 Feb 2000 18:35:15 GMT
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Viewed:
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1441 times
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I have seen some systems that have RAM set up this way: The first area is for
the system, the second area is user programs and is allocated from the bottom
up. The third area is user (and system) data, allocated from the top down. They
"meet in the middle", so to speak, which gives maximum flexibility for a simple
way to allocate memory.
I don't know if this is what the RCX does, though.
Dennis
Denis Cousineau wrote:
> [snip]
>
>
> =============== 0x4000 ------------- 0x4000
> | | ~3.6k data?
> | second is the -------------
> | working area, | 6k user programs and datalog?
> | including Stacks -------------
> | and user area | ~6.4k
> | | data again?
> | |
> =============== 0x8000 ------------- 0x8000
>
> [snip]
>
> Also, the user area seems to be strangely located
> right in the middle of the data area. Not the
> nicest location...
>
> Denis.
>
>
> [snip]
--
Dennis Williamson - Certified Y2K Complacent
Bad News: The next millenium starts on a Monday.
Good News: You get the day off.
(remove .NO and SPAM. to reply)
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Message is in Reply To:
 | | Re: How much memory finally? ADDENDUM
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| Well, I checked with Kekoa's memory map, and indeed, thinks are not as simple. And Dave was right (Why did I doubt is sacred words?) Memory is divided into three main area of 16k. The first is ROM, containing the base programs. The two other (...) (25 years ago, 10-Feb-00, to lugnet.robotics.rcx)
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