Re: Apple IIc Plus System Disks? -Thanks!

[dog_cow@macgui.com (D Finnigan)]

schmidtd wrote:
> On May 24, 2:39�pm, Linards Ticmanis <ticma...@gmx.de> wrote:
>> On 05/24/2011 07:11 PM, D Finnigan wrote:
>>
>> [booting]
>>
>> > My understanding was that for all practical purposes, this is true. The
>> > BASIC program appears to have vanished.
>>
>> > But it's still there; only the pointers in RAM have been changed to
>> > mark a
>> > zero-length program.
>>
>> Doesn't the boot load happen at $800, overwriting the beginning of the
>> program? And doesn't ProDOS get loaded to $2000 first, overwriting
>> whatever is there? Or am I mixing things up?
> 
> Yep - the loader and relocator walk all over $800.  (Beneath Apple
> ProDOS, pp. 5-10, 5-11)
>

Righto. I got it confused with the NEW command. NEW is the one that resets
the pointers but leaves the program intact. I verified with an emulator that
$800 gets nuked by DOS booting with PR#6.

-- 
]DF$
Mac GUI Vault - A source for retro Apple II and
Macintosh computing.
http://macgui.com/vault/