TIP: Click on subject to list as thread! ANSI
echo: apple
to: comp.sys.apple2
from: Toinet
date: 2009-02-23 03:15:06
subject: Re: IIgs peculiarities

On 22 f=E9v, 16:31, vladitx  wrote:
[cut cut]
>
> I suspected that. But then again, ROM 00/01 "Alternate Mode" will copy
> data in banks $E0/E1 so a software relying on these 2x1KB chunks is
> not very smart.
> Also Memory Manager doesn't handle this region, which should further
> stop developers from using it.
>
> =A0 -- Vlad

Hi Vlad,

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...

antoine
--- SBBSecho 2.12-Win32
* Origin: Derby City Gateway (1:2320/0)
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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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