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86Box setup (Users)

posted by boeckmann, Aachen, Germany, 05.02.2024, 01:31

> > as listed in
> > https://github.com/skiselev/8088_bios/blob/master/src/floppy1.inc and
> > https://github.com/skiselev/8088_bios/blob/master/src/floppy2.inc ,
> Xi8088
> > BIOS handles floppy part of int 13h only.
>
> That is not the problem. The problem is that the BIOS in version 0.9.4
> fails to set DS to its data segment if it encounteres an an unsupported
> function
> https://github.com/skiselev/8088_bios/blob/6da84ae09804002ae29080cd64dc85e58f46ae9f/floppy2.inc#L89
>
> https://github.com/skiselev/8088_bios/blob/6da84ae09804002ae29080cd64dc85e58f46ae9f/floppy2.inc#L94
>
> But it writes to it at
> https://github.com/skiselev/8088_bios/blob/6da84ae09804002ae29080cd64dc85e58f46ae9f/floppy2.inc#L128
>
> In later versions that seems to be handled differently, an the current
> binary for Xi8088 seems to work under 86box.
This specific bug seems to be fixed in BIOS version 0.9.9 by commit https://github.com/skiselev/8088_bios/commit/8799088bce5ca1c088631ba065f98794054dbf9a

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