Re: Brutal Deluxe's holidays project 1: IIgs mount virtual disk image

[Toinet <antoine.vignau@laposte.net>]

On 19 août, 21:15, schmidtd <schmi...@my-deja.com> wrote:
> On Aug 19, 1:44 pm, Toinet <antoine.vig...@laposte.net> wrote:
>
>
>
> > On 19 août, 12:32, "Peter Watson" <paw77@N_O_hotmail_S_P_A_M.com>
> > wrote:
>
> > > "Toinet" <antoine.vig...@laposte.net> wrote in message
>
> > >8f27b9af-c978-4b5e-b447-30cc6d76420c@o6g2000yqj.googlegroups.com">news:8f27b9af-c978-4b5e-b447-30cc6d76420c@o6g2000yqj.googlegroups.com...
>
> > > > It is not possible to mount a HFS partition nor a DOS 3.x or RDOS 3.x
> > > > partition, it is limited to ProDOS files only (140 KB or 800KB). Note
> > > > that the files are loaded into memory in one shot. There are no ways
> > > > to open files larger than available RAM or >800 KB.
>
> > > I understand the size limitation due to loading everything into memory, but
> > > I'm curious to know why you couldn't support other disk sizes such as a 1.44
> > > MB ProDOS file image?
> > > --
> > > Peter Watson
> > > -- Write to MS-DOS disks on the Apple IIgs?
> > > -- Impossible!  ;-)
>
> > Oops, sorry Peter, I forgot that one completely. I will add it to
> > v1.0.1. I will create several disk images of that size and test it.
>
> > Any other forgotten things?
>
> Is it already or would it be possible to mount arbitrarily sized .po
> or .2img images?

It is not currently possible as I have limited to ProDOS images of 140
or 800 KB disk images but that can be either removed or expanded. A
check of a ProDOS volume is required, then the size can be calculated
based on filesize (+/- header) / block size. I may try that out.

antoine