Re: MS-DOS 3.30 boot on the CBM-II

From: Michał Pleban <*lists_at_michau.name*> Date: Mon, 06 Nov 2017 00:53:59 +0100 Message-ID: <59FFA497.40800@michau.name> · lists_at_michau.name

Michał Pleban wrote:

> Ruud@Baltissen.org wrote:
>> When comparing the original with the resulting BIN, the eight 
>> different are caused by the fact that NASM gives certain 
>> instructions other codes than for example TASM. 
> 
> But are all the instruction lengths the same? This is crucial because
> INT 08 vector is hardcoded in MS-DOS 1.25 at F000:F1E2.

Well, I just compiled your source, burned to the EPROM and the card
still works :-)

Regards,
Michau.

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