Date   : Sun, 14 Nov 2004 12:03:00 +0000
From   : jgh@... (Jonathan Graham Harston)
Subject: Re: SRAM

> Message-ID: <OF789D2071.C9F16D30-ON80256F49.004B5ECB-80256F49.004CBC18@...
 
Richard_Talbot-Watkins@... wrote:
> code - everything was done directly, as above.  In fact, because Exile
> shuts out the OS completely, it is able to leave its sideways RAM bank
> paged in permanently, and gets to treat it like any other 16k of memory.
 
On machines with shadow screen memory you can use a similar trick. Select
a bank of sideways RAM, select the shadow screen, and you have 48K of
continuous RAM from &0000 all the way up &BFFF that you can do anything
with from machine code (taking care not to trample on vectors, etc.).
 

-- 
J.G.Harston - jgh@...                - mdfs.net/User/JGH
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