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echo: apple
to: comp.sys.apple2
from: vladitx
date: 2009-02-24 13:28:50
subject: Re: IIgs peculiarities

On Feb 23, 1:15=A0pm, Toinet  wrote:

> On startup, the Memory Manager marks the following regions as
> reserved:
> - $00/0000 to $00/07FF
> - $00/C000 to $01/07FF
> - $01/C000 to $01/FFFF
> - First unused bank ($80/0000 on a 8 MB IIgs) to $E0/1FFF
> - Lots of memory space on bank $E0
> - $E0/C000 to $E1/1FFF
> - $E1/C000 to $FF/FFFF
>
> The second text page is not protected on banks $00 and $01...

But it is in $E0/$E1 where hardware shadowing may write (and so
naughty programmers shouldn't use it).

Thanks for the table, Sir Toto. Quite helpful for me, who has not yet
threaded into Firmware Reference.
--- SBBSecho 2.12-Win32
* Origin: Derby City Gateway (1:2320/0)
SEEN-BY: 10/1 3 34/999 120/228 123/500 128/2 140/1 222/2 226/0 236/150 249/303
SEEN-BY: 250/306 261/20 38 100 1404 1406 1410 1418 266/1413 280/1027 320/119
SEEN-BY: 393/11 396/45 633/260 267 712/848 800/432 801/161 189 2222/700
SEEN-BY: 2320/100 105 200 2905/0
@PATH: 2320/0 100 261/38 633/260 267

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