Re: Lisa GEMDOS

gilles wrote:
> There is a screenshot of the fish on my page.
> Now, I need to code a real GEMDOS filesystem tool to create the disk.
> (for now, it reads the root directory... and does not find command.prg
> so dies
> in error 47).
> It does not sound too complicated. Maybe I'll try to be generic, this
> may be usefull as a cross developpment tool for atari ST too :)
>
>
Excellent work!

> note for ray:
> lisaem also boots but hangs in another way, and does not issue an
> error 47... I'll try my bootdisk on my real lisa later... I suspect
> error 47 is what I'll get...
>
Yeah, I'd be surprised if anything other than LOS/LPW/Monitor would work on LisaEm.
It might work if a ROM is used, but even then, a very small possibility. For sure, it's highly unlikely to work at all ROMless.

45/47 usually indicate an unhandled exception. Since the ROM fills all RAM with 0xFFFFFFFF, likely what's happened is that it tried to load a sector that it couldn't load (or was the wrong sector number) and would up hitting an exception that had executed junk RAM.

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