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From: chuckn@psueea.uucp (Chuck Neal)
Newsgroups: comp.sys.ti
Subject: Re: Addressable memory
Message-ID: <1515@psueea.UUCP>
Date: 20 Jul 89 21:47:49 GMT
References: <4752@psuvax1.cs.psu.edu> <1643@csm9a.UUCP> <176@zip.eecs.umich.edu> <8958@chinet.chi.il.us> <1664@csm9a.UUCP> <8998@chinet.chi.il.us>
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Reply-To: chuckn@jove.cs.pdx.edu (Chuck Neal)
Organization: Dept. of Computer Science, Portland State University; Portland OR
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In article <8998@chinet.chi.il.us> edlee@chinet.chi.il.us (Edward Lee) writes:
>swapping, or paging, if you prefer).  The TI Extended BASIC cartridge
>version 1.10 has around 38KB of firmware in it, but 38KB is an
>unusual size for computer memories.  So, I suspect that the 
>TI Extended BASIC cartridge bank-switches firmware to the
>8KB (? It's been a while) area of CPU RAM reserved for cartridge
>memory as it is needed.  I believe the same for the Tunnels of Doom
>cartridge.  Someone please correct me if I am wrong about these
>particulars.  Paul Charlton?

TI Extended BASIC has 16KB of bank switched ROM and 4 6KB GROMS.



Chuck Neal (chuckn@jove.cs.pdx.edu)
Former treasurer of PUNN (Portland Users of Ninety Nine)
Try our BBS (503) 233-6804