Re: Applesoft 1?

["John B. Matthews" <nospam@nospam.invalid>]

In article <1ir7rfl.17w2ony1jv8v8lN%dempson@actrix.gen.nz>,
 dempson@actrix.gen.nz (David Empson) wrote:

> lyricalnanoha <lyricalnanoha@usotsuki.hoshinet.org> wrote:
> 
> > I've managed to find Applesoft 1, the original buggy version, and I'm
> > trying to reverse-engineer it to port since the "7-in-1 MS 6502 BASIC"
> > produces broken output - but I've got a big question...
> > 
> > ...what memory space does it load into? (Stupid obfuscated BASIC loaders.)
> > I can't seem to figure out the info I'd need to be able to save it or to
> > export it so I can extract the binary and feed it to IDA or something...
> 
> I wasn't using the Apple II that far back but it seems reasonable to
> assume the original version of Applesoft would have been loaded from
> tape into main memory, either near $0800 or at the top of main memory. 
> 
> Putting it at the bottom would have been easier because it wouldn't need
> to relocate depending on the amount of RAM installed.
> 
> It predated the language card, so that area is out of the question. DOS
> may not have been in the picture either, but it may have gone to some
> trouble to respect Integer BASIC's LOMEM and/or HIMEM.

Is it expecting Integer Basic to be doing the loading?

Front:

APPLESOFT IIa
c1977 MICROSOFT
P/N A2T0000\4X
>Load
16K
c1978
002-0007-01
apple computer inc.

Back:

Floating Point BASIC
Demo (APPLESOFT Loaded)
P/N A2T0004X
]Load
16K
002-0007-01
apple computer inc.

-- 
John B. Matthews
trashgod at gmail dot com
http://home.roadrunner.com/~jbmatthews/